diff options
Diffstat (limited to 'lib/libc/mips')
59 files changed, 3947 insertions, 0 deletions
diff --git a/lib/libc/mips/Makefile.inc b/lib/libc/mips/Makefile.inc new file mode 100644 index 0000000..4ec20d4 --- /dev/null +++ b/lib/libc/mips/Makefile.inc @@ -0,0 +1,7 @@ +# $NetBSD: Makefile.inc,v 1.7 2005/09/17 11:49:39 tsutsui Exp $ +# $FreeBSD$ + +CFLAGS+=-DSOFTFLOAT + +MDSRCS+= machdep_ldisd.c +SYM_MAPS+= ${LIBC_SRCTOP}/mips/Symbol.map diff --git a/lib/libc/mips/SYS.h b/lib/libc/mips/SYS.h new file mode 100644 index 0000000..10205b8 --- /dev/null +++ b/lib/libc/mips/SYS.h @@ -0,0 +1,137 @@ +/* $NetBSD: SYS.h,v 1.19 2009/12/14 01:07:41 matt Exp $ */ +/* $FreeBSD$ */ + +/*- + * Copyright (c) 1996 Jonathan Stone + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Jonathan Stone for + * the NetBSD Project. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * from: @(#)SYS.h 8.1 (Berkeley) 6/4/93 + */ + +#include <sys/syscall.h> + +#include <machine/asm.h> + +/* + * If compiling for shared libs, Emit sysV ABI PIC segment pseudo-ops. + * + * i) Emit .abicalls before .LEAF entrypoint, and .cpload/.cprestore after. + * ii) Do interprocedure jumps indirectly via t9, with the side-effect of + * preserving the callee's entry address in t9. + */ +#ifdef __ABICALLS__ + .abicalls +# if defined(__mips_o32) || defined(__mips_o64) +# define PIC_PROLOGUE(x) SETUP_GP +# define PIC_TAILCALL(l) PTR_LA t9, _C_LABEL(l); jr t9 +# define PIC_RETURN() j ra +# else +# define PIC_PROLOGUE(x) SETUP_GP64(t3, x) +# define PIC_TAILCALL(l) PTR_LA t9, _C_LABEL(l); RESTORE_GP64; jr t9 +# define PIC_RETURN() RESTORE_GP64; j ra +# endif +#else +# define PIC_PROLOGUE(x) +# define PIC_TAILCALL(l) j _C_LABEL(l) +# define PIC_RETURN() j ra +#endif /* __ABICALLS__ */ + +# define SYSTRAP(x) li v0,SYS_ ## x; syscall; + +/* + * Do a syscall that cannot fail (sync, get{p,u,g,eu,eg)id) + */ +#define RSYSCALL_NOERROR(x) \ + PSEUDO_NOERROR(x) + +/* + * Do a normal syscall. + */ +#define RSYSCALL(x) \ + PSEUDO(x) + +/* + * Do a renamed or pseudo syscall (e.g., _exit()), where the entrypoint + * and syscall name are not the same. + */ +#define PSEUDO_NOERROR(x) \ +LEAF(__sys_ ## x); \ + .weak _C_LABEL(x); \ + _C_LABEL(x) = _C_LABEL(__CONCAT(__sys_,x)); \ + .weak _C_LABEL(__CONCAT(_,x)); \ + _C_LABEL(__CONCAT(_,x)) = _C_LABEL(__CONCAT(__sys_,x)); \ + SYSTRAP(x); \ + j ra; \ + END(__sys_ ## x) + +#define PSEUDO(x) \ +LEAF(__sys_ ## x); \ + .weak _C_LABEL(x); \ + _C_LABEL(x) = _C_LABEL(__CONCAT(__sys_,x)); \ + .weak _C_LABEL(__CONCAT(_,x)); \ + _C_LABEL(__CONCAT(_,x)) = _C_LABEL(__CONCAT(__sys_,x)); \ + PIC_PROLOGUE(__sys_ ## x); \ + SYSTRAP(x); \ + bne a3,zero,err; \ + PIC_RETURN(); \ +err: \ + PIC_TAILCALL(__cerror); \ +END(__sys_ ## x) diff --git a/lib/libc/mips/Symbol.map b/lib/libc/mips/Symbol.map new file mode 100644 index 0000000..d7fbd0a --- /dev/null +++ b/lib/libc/mips/Symbol.map @@ -0,0 +1,77 @@ +/* + * $FreeBSD$ + */ + +/* + * This only needs to contain symbols that are not listed in + * symbol maps from other parts of libc (i.e., not found in + * stdlib/Symbol.map, string/Symbol.map, sys/Symbol.map, ...). + */ +FBSD_1.0 { + /* PSEUDO syscalls */ + _exit; + + _setjmp; + _longjmp; + alloca; + fabs; + __infinity; + __nan; + makecontext; + setjmp; + longjmp; + sigsetjmp; + siglongjmp; + htonl; + htons; + ntohl; + ntohs; + vfork; + brk; + cerror; /* XXX - Should this be .cerror (see sys/cerror.S)? */ + sbrk; +}; + +FBSDprivate_1.0 { + /* PSEUDO syscalls */ + __sys_getlogin; + _getlogin; + __sys_exit; + + _set_tp; + ___longjmp; + __umodsi3; + __modsi3; + __udivsi3; + __divsi3; + __makecontext; + __longjmp; + signalcontext; + _signalcontext; + __siglongjmp; + __sys_vfork; + _vfork; + _end; + __curbrk; + minbrk; + _brk; + _sbrk; + + /* softfloat */ + __addsf3; + __adddf3; + __subsf3; + __subdf3; + __mulsf3; + __muldf3; + __divsf3; + __divdf3; + __floatsisf; + __floatsidf; + __fixsfsi; + __fixdfsi; + __fixunssfsi; + __fixunsdfsi; + __extendsfdf2; + __truncdfsf2; +}; diff --git a/lib/libc/mips/_fpmath.h b/lib/libc/mips/_fpmath.h new file mode 100644 index 0000000..f006a58 --- /dev/null +++ b/lib/libc/mips/_fpmath.h @@ -0,0 +1,56 @@ +/*- + * Copyright (c) 2002, 2003 David Schultz <das@FreeBSD.ORG> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +union IEEEl2bits { + long double e; + struct { +#ifndef __MIPSEB__ + unsigned int manl :32; + unsigned int manh :20; + unsigned int exp :11; + unsigned int sign :1; +#else + unsigned int sign :1; + unsigned int exp :11; + unsigned int manh :20; + unsigned int manl :32; +#endif + } bits; +}; + +#define LDBL_NBIT 0 +#define mask_nbit_l(u) ((void)0) +#define LDBL_IMPLICIT_NBIT + +#define LDBL_MANH_SIZE 20 +#define LDBL_MANL_SIZE 32 + +#define LDBL_TO_ARRAY32(u, a) do { \ + (a)[0] = (uint32_t)(u).bits.manl; \ + (a)[1] = (uint32_t)(u).bits.manh; \ +} while(0) diff --git a/lib/libc/mips/arith.h b/lib/libc/mips/arith.h new file mode 100644 index 0000000..61f3930 --- /dev/null +++ b/lib/libc/mips/arith.h @@ -0,0 +1,26 @@ +/* + * MD header for contrib/gdtoa + * + * $FreeBSD$ + */ + +/* + * NOTE: The definitions in this file must be correct or strtod(3) and + * floating point formats in printf(3) will break! The file can be + * generated by running contrib/gdtoa/arithchk.c on the target + * architecture. See contrib/gdtoa/gdtoaimp.h for details. + */ +#include <machine/endian.h> + +#if BYTE_ORDER == BIG_ENDIAN +#define IEEE_MC68k +#define Arith_Kind_ASL 2 +#define Double_Align +#else +/* TODO: Generate these values on a LE machine */ +#define IEEE_8087 +#define Arith_Kind_ASL 1 +#define Long int +#define Intcast (int)(long) +#define Double_Align +#endif diff --git a/lib/libc/mips/gd_qnan.h b/lib/libc/mips/gd_qnan.h new file mode 100644 index 0000000..69eeaf9 --- /dev/null +++ b/lib/libc/mips/gd_qnan.h @@ -0,0 +1,48 @@ +/* + * MD header for contrib/gdtoa + * + * This file can be generated by compiling and running contrib/gdtoa/qnan.c + * on the target architecture after arith.h has been generated. + * + * $FreeBSD$ + */ + + +#include <machine/endian.h> + +#if BYTE_ORDER == BIG_ENDIAN +/* These values were gained on a running + * Octeon in Big Endian order. They were gotten + * by running ./qnan after arithchk was ran and + * got us the proper values for arith.h. + */ +#define f_QNAN 0x7f900000 +#define d_QNAN0 0x7ff80000 +#define d_QNAN1 0x0 +#define ld_QNAN0 0x7ff80000 +#define ld_QNAN1 0x0 +#define ld_QNAN2 0x0 +#define ld_QNAN3 0x0 +#define ldus_QNAN0 0x7ff8 +#define ldus_QNAN1 0x0 +#define ldus_QNAN2 0x0 +#define ldus_QNAN3 0x0 +#define ldus_QNAN4 0x0 +#else +/* FIX FIX, need to run this on a Little Endian + * machine and get the proper values, these here + * were stolen fromn i386/gd_qnan.h + */ +#define f_QNAN 0x7fc00000 +#define d_QNAN0 0x0 +#define d_QNAN1 0x7ff80000 +#define ld_QNAN0 0x0 +#define ld_QNAN1 0xc0000000 +#define ld_QNAN2 0x7fff +#define ld_QNAN3 0x0 +#define ldus_QNAN0 0x0 +#define ldus_QNAN1 0x0 +#define ldus_QNAN2 0x0 +#define ldus_QNAN3 0xc000 +#define ldus_QNAN4 0x7fff +#endif diff --git a/lib/libc/mips/gdtoa/Makefile.inc b/lib/libc/mips/gdtoa/Makefile.inc new file mode 100644 index 0000000..dd6268c --- /dev/null +++ b/lib/libc/mips/gdtoa/Makefile.inc @@ -0,0 +1,4 @@ +# $NetBSD: Makefile.inc,v 1.1 2006/03/15 17:35:18 kleink Exp $ +# $FreeBSD$ + +SRCS+= strtof.c diff --git a/lib/libc/mips/gdtoa/arith.h b/lib/libc/mips/gdtoa/arith.h new file mode 100644 index 0000000..8b700f8 --- /dev/null +++ b/lib/libc/mips/gdtoa/arith.h @@ -0,0 +1,10 @@ +/* $NetBSD: arith.h,v 1.1 2006/01/25 15:33:28 kleink Exp $ */ +/* $FreeBSD$ */ + +#include <machine/endian.h> + +#if BYTE_ORDER == BIG_ENDIAN +#define IEEE_BIG_ENDIAN +#else +#define IEEE_LITTLE_ENDIAN +#endif diff --git a/lib/libc/mips/gen/Makefile.inc b/lib/libc/mips/gen/Makefile.inc new file mode 100644 index 0000000..a186fda --- /dev/null +++ b/lib/libc/mips/gen/Makefile.inc @@ -0,0 +1,11 @@ +# $NetBSD: Makefile.inc,v 1.27 2005/10/07 17:16:40 tsutsui Exp $ +# $FreeBSD$ + +SRCS+= infinity.c fabs.c ldexp.c + +# SRCS+= flt_rounds.c fpgetmask.c fpgetround.c fpgetsticky.c fpsetmask.c \ +# fpsetround.c fpsetsticky.c + +SRCS+= _ctx_start.S _set_tp.c _setjmp.S makecontext.c \ + setjmp.S signalcontext.c sigsetjmp.S \ + trivial-getcontextx.c diff --git a/lib/libc/mips/gen/_ctx_start.S b/lib/libc/mips/gen/_ctx_start.S new file mode 100644 index 0000000..5d754a9 --- /dev/null +++ b/lib/libc/mips/gen/_ctx_start.S @@ -0,0 +1,41 @@ +/*- + * Copyright (c) 2010 Juli Mallett. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + +/* + * XXX gp? + */ +ENTRY(_ctx_start) + jalr t9 + + move a0, s0 + PTR_LA t9, _ctx_done + jalr t9 + + break 0 +END(_ctx_start) diff --git a/lib/libc/mips/gen/_set_tp.c b/lib/libc/mips/gen/_set_tp.c new file mode 100644 index 0000000..0bf04b52 --- /dev/null +++ b/lib/libc/mips/gen/_set_tp.c @@ -0,0 +1,39 @@ +/*- + * Copyright (c) 2004 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <string.h> +#include <stdint.h> + +#include <machine/sysarch.h> + +void +_set_tp(void *tp) +{ + + sysarch(MIPS_SET_TLS, tp); +} diff --git a/lib/libc/mips/gen/_setjmp.S b/lib/libc/mips/gen/_setjmp.S new file mode 100644 index 0000000..0f7a75a --- /dev/null +++ b/lib/libc/mips/gen/_setjmp.S @@ -0,0 +1,201 @@ +/* $NetBSD: _setjmp.S,v 1.20.34.5 2010/02/03 23:46:47 matt Exp $ */ + +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); +#include <machine/regnum.h> + +#include "SYS.h" + +#if defined(LIBC_SCCS) && !defined(lint) +#if 0 + RCSID("from: @(#)_setjmp.s 8.1 (Berkeley) 6/4/93") +#else + RCSID("$NetBSD: _setjmp.S,v 1.20.34.5 2010/02/03 23:46:47 matt Exp $") +#endif +#endif /* LIBC_SCCS and not lint */ + +/* + * C library -- _setjmp, _longjmp + * + * _longjmp(a,v) + * will generate a "return(v)" from + * the last call to + * _setjmp(a) + * by restoring registers from the stack, + * The previous signal state is NOT restored. + */ + + .set noreorder + +LEAF(_setjmp) + REG_PROLOGUE + REG_LI v0, _JB_MAGIC__SETJMP # sigcontext magic number + REG_S v0, (_JB_MAGIC * SZREG)(a0) + REG_S ra, (_JB_REG_RA * SZREG)(a0) + /* + * From "MIPSpro N32 ABI Handbook", Table 2-1: + * Registers s0..s7 are callee-saved. + * The sp register is callee-saved. + * The fp (or s8) register is callee-saved. + * The gp register is callee-saved (for n32/n64). + */ + REG_S s0, (_JB_REG_S0 * SZREG)(a0) + REG_S s1, (_JB_REG_S1 * SZREG)(a0) + REG_S s2, (_JB_REG_S2 * SZREG)(a0) + REG_S s3, (_JB_REG_S3 * SZREG)(a0) + REG_S s4, (_JB_REG_S4 * SZREG)(a0) + REG_S s5, (_JB_REG_S5 * SZREG)(a0) + REG_S s6, (_JB_REG_S6 * SZREG)(a0) + REG_S s7, (_JB_REG_S7 * SZREG)(a0) + REG_S sp, (_JB_REG_SP * SZREG)(a0) + REG_S s8, (_JB_REG_S8 * SZREG)(a0) +#if defined(__mips_n32) || defined(__mips_n64) + REG_S gp, (_JB_REG_GP * SZREG)(a0) # newabi gp is callee-saved +#endif + /* + * From "MIPSpro N32 ABI Handbook", Table 2-1: + * In N32, FP registers F20, F22, F24, F26, F28, F30 are callee-saved. + * In N64, FP registers F24 .. F31 are callee-saved. + * In O32, FP registers F20 .. F23 are callee-saved. + */ +#ifndef SOFTFLOAT + cfc1 v0, $31 # too bad can't check if FP used +#if defined(__mips_n64) || defined(__mips_n32) + FP_S $f30, (_JB_FPREG_F30 * SZREG)(a0) + FP_S $f28, (_JB_FPREG_F28 * SZREG)(a0) + FP_S $f26, (_JB_FPREG_F26 * SZREG)(a0) + FP_S $f24, (_JB_FPREG_F24 * SZREG)(a0) +#endif +#if defined(__mips_n32) || defined(__mips_o32) || defined(__mips_o64) + FP_S $f22, (_JB_FPREG_F22 * SZREG)(a0) + FP_S $f20, (_JB_FPREG_F20 * SZREG)(a0) +#endif +#if defined(__mips_o32) || defined(__mips_o64) + FP_S $f21, (_JB_FPREG_F21 * SZREG)(a0) + FP_S $f23, (_JB_FPREG_F23 * SZREG)(a0) +#endif +#if defined(__mips_n64) + FP_S $f25, (_JB_FPREG_F25 * SZREG)(a0) + FP_S $f27, (_JB_FPREG_F27 * SZREG)(a0) + FP_S $f29, (_JB_FPREG_F29 * SZREG)(a0) + FP_S $f31, (_JB_FPREG_F31 * SZREG)(a0) +#endif + INT_S v0, (_JB_FPREG_FCSR * SZREG)(a0) +#endif /* ! SOFTFLOAT */ + REG_EPILOGUE + + j ra + move v0, zero +END(_setjmp) + +LEAF(_longjmp) + PIC_PROLOGUE(_longjmp) + PTR_SUBU sp, sp, CALLFRAME_SIZ + SAVE_GP(CALLFRAME_GP) + + REG_PROLOGUE + REG_L v0, (_JB_MAGIC * SZREG)(a0) # get magic number + REG_L ra, (_JB_REG_RA * SZREG)(a0) + REG_LI t0, _JB_MAGIC__SETJMP + bne v0, t0, botch # jump if error + PTR_ADDU sp, sp, CALLFRAME_SIZ # does not matter, sanity + /* + * From "MIPSpro N32 ABI Handbook", Table 2-1: + * Registers s0..s7 are callee-saved. + * The sp register is callee-saved. + * The fp (or s8) register is callee-saved. + * The gp register is callee-saved (for n32/n64). + */ + REG_L s0, (_JB_REG_S0 * SZREG)(a0) + REG_L s1, (_JB_REG_S1 * SZREG)(a0) + REG_L s2, (_JB_REG_S2 * SZREG)(a0) + REG_L s3, (_JB_REG_S3 * SZREG)(a0) + REG_L s4, (_JB_REG_S4 * SZREG)(a0) + REG_L s5, (_JB_REG_S5 * SZREG)(a0) + REG_L s6, (_JB_REG_S6 * SZREG)(a0) + REG_L s7, (_JB_REG_S7 * SZREG)(a0) + REG_L sp, (_JB_REG_SP * SZREG)(a0) + REG_L s8, (_JB_REG_S8 * SZREG)(a0) +#if defined(__mips_n32) || defined(__mips_n64) + REG_L gp, (_JB_REG_GP * SZREG)(a0) +#endif +#ifndef SOFTFLOAT + # get fpu status + INT_L v0, (_JB_FPREG_FCSR * SZREG)(a0) + ctc1 v0, $31 + /* + * From "MIPSpro N32 ABI Handbook", Table 2-1: + * In N32, FP registers F20, F22, F24, F26, F28, F30 are callee-saved. + * In N64, FP registers F24 .. F31 are callee-saved. + * In O32, FP registers F20 .. F23 are callee-saved. + */ +#if defined(__mips_n64) || defined(__mips_n32) + FP_L $f30, (_JB_FPREG_F30 * SZREG)(a0) + FP_L $f28, (_JB_FPREG_F28 * SZREG)(a0) + FP_L $f26, (_JB_FPREG_F26 * SZREG)(a0) + FP_L $f24, (_JB_FPREG_F24 * SZREG)(a0) +#endif +#if defined(__mips_n32) || defined(__mips_o32) || defined(__mips_o64) + FP_L $f22, (_JB_FPREG_F22 * SZREG)(a0) + FP_L $f20, (_JB_FPREG_F20 * SZREG)(a0) +#endif +#if defined(__mips_o32) || defined(__mips_o64) + FP_L $f21, (_JB_FPREG_F21 * SZREG)(a0) + FP_L $f23, (_JB_FPREG_F23 * SZREG)(a0) +#endif +#if defined(__mips_n64) + FP_L $f25, (_JB_FPREG_F25 * SZREG)(a0) + FP_L $f27, (_JB_FPREG_F27 * SZREG)(a0) + FP_L $f29, (_JB_FPREG_F29 * SZREG)(a0) + FP_L $f31, (_JB_FPREG_F31 * SZREG)(a0) +#endif +#endif /* ! SOFTFLOAT */ + + REG_EPILOGUE + move v0, a1 # get return value in 1st arg + j ra + nop + +botch: + /* + * We know we aren't returning so we don't care about restoring + * our caller's GP. + */ + PTR_LA t9, _C_LABEL(longjmperror) + jalr t9 + nop + + PIC_TAILCALL(abort) +END(_longjmp) diff --git a/lib/libc/mips/gen/fabs.S b/lib/libc/mips/gen/fabs.S new file mode 100644 index 0000000..3b79249 --- /dev/null +++ b/lib/libc/mips/gen/fabs.S @@ -0,0 +1,58 @@ +/* $NetBSD: fabs.S,v 1.7 2003/08/07 16:42:15 agc Exp $ */ + +/*- + * Copyright (c) 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + +#if defined(LIBC_SCCS) && !defined(lint) + ASMSTR("from: @(#)fabs.s 8.1 (Berkeley) 2/16/94") + ASMSTR("$NetBSD: fabs.S,v 1.7 2003/08/07 16:42:15 agc Exp $") +#endif /* LIBC_SCCS and not lint */ + + +#ifdef __ABICALLS__ + .abicalls +#endif + .set noreorder + +/* + * fabs(x) + * double x; + * + * Return absolute value of x. + */ +LEAF(fabs) + j ra + abs.d $f0, $f12 # compute absolute value of x +END(fabs) diff --git a/lib/libc/mips/gen/fabs.c b/lib/libc/mips/gen/fabs.c new file mode 100644 index 0000000..8bb1502 --- /dev/null +++ b/lib/libc/mips/gen/fabs.c @@ -0,0 +1,46 @@ +/* $NetBSD: fabs.c,v 1.2 2002/05/26 11:48:01 wiz Exp $ */ + +/* + * Copyright (c) 1996 Mark Brinicombe + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Mark Brinicombe + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* + * fabs(x) returns the absolute value of x. + */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +double +fabs(double x) +{ + if (x < 0) + x = -x; + return(x); +} diff --git a/lib/libc/mips/gen/flt_rounds.c b/lib/libc/mips/gen/flt_rounds.c new file mode 100644 index 0000000..9fc64a5 --- /dev/null +++ b/lib/libc/mips/gen/flt_rounds.c @@ -0,0 +1,30 @@ +/* $NetBSD: flt_rounds.c,v 1.5 2005/12/24 23:10:08 perry Exp $ */ + +/* + * Written by J.T. Conklin, Apr 11, 1995 + * Public domain. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); +#if defined(LIBC_SCCS) && !defined(lint) +__RCSID("$NetBSD: flt_rounds.c,v 1.5 2005/12/24 23:10:08 perry Exp $"); +#endif /* LIBC_SCCS and not lint */ + +#include <machine/float.h> + +static const int map[] = { + 1, /* round to nearest */ + 0, /* round to zero */ + 2, /* round to positive infinity */ + 3 /* round to negative infinity */ +}; + +int +__flt_rounds() +{ + int x; + + __asm("cfc1 %0,$31" : "=r" (x)); + return map[x & 0x03]; +} diff --git a/lib/libc/mips/gen/hardfloat/fpgetmask.c b/lib/libc/mips/gen/hardfloat/fpgetmask.c new file mode 100644 index 0000000..505a74c --- /dev/null +++ b/lib/libc/mips/gen/hardfloat/fpgetmask.c @@ -0,0 +1,29 @@ +/* $NetBSD: fpgetmask.c,v 1.5 2005/12/24 23:10:08 perry Exp $ */ + +/* + * Written by J.T. Conklin, Apr 11, 1995 + * Public domain. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); +#if defined(LIBC_SCCS) && !defined(lint) +__RCSID("$NetBSD: fpgetmask.c,v 1.5 2005/12/24 23:10:08 perry Exp $"); +#endif /* LIBC_SCCS and not lint */ + +#include "namespace.h" + +#include <ieeefp.h> + +#ifdef __weak_alias +__weak_alias(fpgetmask,_fpgetmask) +#endif + +fp_except_t +fpgetmask() +{ + int x; + + __asm("cfc1 %0,$31" : "=r" (x)); + return (x >> 7) & 0x1f; +} diff --git a/lib/libc/mips/gen/hardfloat/fpgetround.c b/lib/libc/mips/gen/hardfloat/fpgetround.c new file mode 100644 index 0000000..6d0f11a --- /dev/null +++ b/lib/libc/mips/gen/hardfloat/fpgetround.c @@ -0,0 +1,29 @@ +/* $NetBSD: fpgetround.c,v 1.5 2005/12/24 23:10:08 perry Exp $ */ + +/* + * Written by J.T. Conklin, Apr 11, 1995 + * Public domain. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); +#if defined(LIBC_SCCS) && !defined(lint) +__RCSID("$NetBSD: fpgetround.c,v 1.5 2005/12/24 23:10:08 perry Exp $"); +#endif /* LIBC_SCCS and not lint */ + +#include "namespace.h" + +#include <ieeefp.h> + +#ifdef __weak_alias +__weak_alias(fpgetround,_fpgetround) +#endif + +fp_rnd_t +fpgetround() +{ + int x; + + __asm("cfc1 %0,$31" : "=r" (x)); + return x & 0x03; +} diff --git a/lib/libc/mips/gen/hardfloat/fpgetsticky.c b/lib/libc/mips/gen/hardfloat/fpgetsticky.c new file mode 100644 index 0000000..8028261 --- /dev/null +++ b/lib/libc/mips/gen/hardfloat/fpgetsticky.c @@ -0,0 +1,29 @@ +/* $NetBSD: fpgetsticky.c,v 1.5 2005/12/24 23:10:08 perry Exp $ */ + +/* + * Written by J.T. Conklin, Apr 11, 1995 + * Public domain. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); +#if defined(LIBC_SCCS) && !defined(lint) +__RCSID("$NetBSD: fpgetsticky.c,v 1.5 2005/12/24 23:10:08 perry Exp $"); +#endif /* LIBC_SCCS and not lint */ + +#include "namespace.h" + +#include <ieeefp.h> + +#ifdef __weak_alias +__weak_alias(fpgetsticky,_fpgetsticky) +#endif + +fp_except_t +fpgetsticky() +{ + int x; + + __asm("cfc1 %0,$31" : "=r" (x)); + return (x >> 2) & 0x1f; +} diff --git a/lib/libc/mips/gen/hardfloat/fpsetmask.c b/lib/libc/mips/gen/hardfloat/fpsetmask.c new file mode 100644 index 0000000..7abb3fd --- /dev/null +++ b/lib/libc/mips/gen/hardfloat/fpsetmask.c @@ -0,0 +1,38 @@ +/* $NetBSD: fpsetmask.c,v 1.5 2005/12/24 23:10:08 perry Exp $ */ + +/* + * Written by J.T. Conklin, Apr 11, 1995 + * Public domain. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); +#if defined(LIBC_SCCS) && !defined(lint) +__RCSID("$NetBSD: fpsetmask.c,v 1.5 2005/12/24 23:10:08 perry Exp $"); +#endif /* LIBC_SCCS and not lint */ + +#include "namespace.h" + +#include <ieeefp.h> + +#ifdef __weak_alias +__weak_alias(fpsetmask,_fpsetmask) +#endif + +fp_except_t +fpsetmask(mask) + fp_except_t mask; +{ + fp_except_t old; + fp_except_t new; + + __asm("cfc1 %0,$31" : "=r" (old)); + + new = old; + new &= ~(0x1f << 7); + new |= ((mask & 0x1f) << 7); + + __asm("ctc1 %0,$31" : : "r" (new)); + + return (old >> 7) & 0x1f; +} diff --git a/lib/libc/mips/gen/hardfloat/fpsetround.c b/lib/libc/mips/gen/hardfloat/fpsetround.c new file mode 100644 index 0000000..0205161 --- /dev/null +++ b/lib/libc/mips/gen/hardfloat/fpsetround.c @@ -0,0 +1,37 @@ +/* $NetBSD: fpsetround.c,v 1.5 2005/12/24 23:10:08 perry Exp $ */ + +/* + * Written by J.T. Conklin, Apr 11, 1995 + * Public domain. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); +#if defined(LIBC_SCCS) && !defined(lint) +__RCSID("$NetBSD: fpsetround.c,v 1.5 2005/12/24 23:10:08 perry Exp $"); +#endif /* LIBC_SCCS and not lint */ + +#include "namespace.h" + +#include <ieeefp.h> + +#ifdef __weak_alias +__weak_alias(fpsetround,_fpsetround) +#endif + +fp_rnd_t +fpsetround(fp_rnd_t rnd_dir) +{ + fp_rnd_t old; + fp_rnd_t new; + + __asm("cfc1 %0,$31" : "=r" (old)); + + new = old; + new &= ~0x03; + new |= (rnd_dir & 0x03); + + __asm("ctc1 %0,$31" : : "r" (new)); + + return old & 0x03; +} diff --git a/lib/libc/mips/gen/hardfloat/fpsetsticky.c b/lib/libc/mips/gen/hardfloat/fpsetsticky.c new file mode 100644 index 0000000..e433671 --- /dev/null +++ b/lib/libc/mips/gen/hardfloat/fpsetsticky.c @@ -0,0 +1,38 @@ +/* $NetBSD: fpsetsticky.c,v 1.5 2005/12/24 23:10:08 perry Exp $ */ + +/* + * Written by J.T. Conklin, Apr 11, 1995 + * Public domain. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); +#if defined(LIBC_SCCS) && !defined(lint) +__RCSID("$NetBSD: fpsetsticky.c,v 1.5 2005/12/24 23:10:08 perry Exp $"); +#endif /* LIBC_SCCS and not lint */ + +#include "namespace.h" + +#include <ieeefp.h> + +#ifdef __weak_alias +__weak_alias(fpsetsticky,_fpsetsticky) +#endif + +fp_except +fpsetsticky(sticky) + fp_except sticky; +{ + fp_except old; + fp_except new; + + __asm("cfc1 %0,$31" : "=r" (old)); + + new = old; + new &= ~(0x1f << 2); + new |= ((sticky & 0x1f) << 2); + + __asm("ctc1 %0,$31" : : "r" (new)); + + return (old >> 2) & 0x1f; +} diff --git a/lib/libc/mips/gen/infinity.c b/lib/libc/mips/gen/infinity.c new file mode 100644 index 0000000..55cf25f --- /dev/null +++ b/lib/libc/mips/gen/infinity.c @@ -0,0 +1,26 @@ +/* + * infinity.c + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <math.h> + +/* bytes for +Infinity on a 387 */ +const union __infinity_un __infinity = { +#if BYTE_ORDER == BIG_ENDIAN + { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 } +#else + { 0, 0, 0, 0, 0, 0, 0xf0, 0x7f } +#endif +}; + +/* bytes for NaN */ +const union __nan_un __nan = { +#if BYTE_ORDER == BIG_ENDIAN + {0x7f, 0xa0, 0, 0} +#else + { 0, 0, 0xa0, 0x7f } +#endif +}; diff --git a/lib/libc/mips/gen/ldexp.S b/lib/libc/mips/gen/ldexp.S new file mode 100644 index 0000000..caee703 --- /dev/null +++ b/lib/libc/mips/gen/ldexp.S @@ -0,0 +1,219 @@ +/* $NetBSD: ldexp.S,v 1.8 2003/08/07 16:42:15 agc Exp $ */ + +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + +#if defined(LIBC_SCCS) && !defined(lint) + ASMSTR("from: @(#)ldexp.s 8.1 (Berkeley) 6/4/93") + ASMSTR("$NetBSD: ldexp.S,v 1.8 2003/08/07 16:42:15 agc Exp $") +#endif /* LIBC_SCCS and not lint */ + +#ifdef __ABICALLS__ + .abicalls +#endif + +#define DEXP_INF 0x7ff +#define DEXP_BIAS 1023 +#define DEXP_MIN -1022 +#define DEXP_MAX 1023 +#define DFRAC_BITS 52 +#define DIMPL_ONE 0x00100000 +#define DLEAD_ZEROS 31 - 20 +#define STICKYBIT 1 +#define GUARDBIT 0x80000000 +#define DSIGNAL_NAN 0x00040000 +#define DQUIET_NAN0 0x0007ffff +#define DQUIET_NAN1 0xffffffff + +/* + * double ldexp(x, N) + * double x; int N; + * + * Return x * (2**N), for integer values N. + */ +LEAF(ldexp) + mfc1 v1, $f13 # get MSW of x + mfc1 t3, $f12 # get LSW of x + sll t1, v1, 1 # get x exponent + srl t1, t1, 32 - 11 + beq t1, DEXP_INF, 9f # is it a NAN or infinity? + beq t1, zero, 1f # zero or denormalized number? + addu t1, t1, a2 # scale exponent + sll v0, a2, 20 # position N for addition + bge t1, DEXP_INF, 8f # overflow? + addu v0, v0, v1 # multiply by (2**N) + ble t1, zero, 4f # underflow? + mtc1 v0, $f1 # save MSW of result + mtc1 t3, $f0 # save LSW of result + j ra +1: + sll t2, v1, 32 - 20 # get x fraction + srl t2, t2, 32 - 20 + srl t0, v1, 31 # get x sign + bne t2, zero, 1f + beq t3, zero, 9f # result is zero +1: +/* + * Find out how many leading zero bits are in t2,t3 and put in t9. + */ + move v0, t2 + move t9, zero + bne t2, zero, 1f + move v0, t3 + addu t9, 32 +1: + srl ta0, v0, 16 + bne ta0, zero, 1f + addu t9, 16 + sll v0, 16 +1: + srl ta0, v0, 24 + bne ta0, zero, 1f + addu t9, 8 + sll v0, 8 +1: + srl ta0, v0, 28 + bne ta0, zero, 1f + addu t9, 4 + sll v0, 4 +1: + srl ta0, v0, 30 + bne ta0, zero, 1f + addu t9, 2 + sll v0, 2 +1: + srl ta0, v0, 31 + bne ta0, zero, 1f + addu t9, 1 +/* + * Now shift t2,t3 the correct number of bits. + */ +1: + subu t9, t9, DLEAD_ZEROS # dont count normal leading zeros + li t1, DEXP_MIN + DEXP_BIAS + subu t1, t1, t9 # adjust exponent + addu t1, t1, a2 # scale exponent + li v0, 32 + blt t9, v0, 1f + subu t9, t9, v0 # shift fraction left >= 32 bits + sll t2, t3, t9 + move t3, zero + b 2f +1: + subu v0, v0, t9 # shift fraction left < 32 bits + sll t2, t2, t9 + srl ta0, t3, v0 + or t2, t2, ta0 + sll t3, t3, t9 +2: + bge t1, DEXP_INF, 8f # overflow? + ble t1, zero, 4f # underflow? + sll t2, t2, 32 - 20 # clear implied one bit + srl t2, t2, 32 - 20 +3: + sll t1, t1, 31 - 11 # reposition exponent + sll t0, t0, 31 # reposition sign + or t0, t0, t1 # put result back together + or t0, t0, t2 + mtc1 t0, $f1 # save MSW of result + mtc1 t3, $f0 # save LSW of result + j ra +4: + li v0, 0x80000000 + ble t1, -52, 7f # is result too small for denorm? + sll t2, v1, 31 - 20 # clear exponent, extract fraction + or t2, t2, v0 # set implied one bit + blt t1, -30, 2f # will all bits in t3 be shifted out? + srl t2, t2, 31 - 20 # shift fraction back to normal position + subu t1, t1, 1 + sll ta0, t2, t1 # shift right t2,t3 based on exponent + srl t8, t3, t1 # save bits shifted out + negu t1 + srl t3, t3, t1 + or t3, t3, ta0 + srl t2, t2, t1 + bge t8, zero, 1f # does result need to be rounded? + addu t3, t3, 1 # round result + sltu ta0, t3, 1 + sll t8, t8, 1 + addu t2, t2, ta0 + bne t8, zero, 1f # round result to nearest + and t3, t3, ~1 +1: + mtc1 t3, $f0 # save denormalized result (LSW) + mtc1 t2, $f1 # save denormalized result (MSW) + bge v1, zero, 1f # should result be negative? + neg.d $f0, $f0 # negate result +1: + j ra +2: + mtc1 zero, $f1 # exponent and upper fraction + addu t1, t1, 20 # compute amount to shift right by + sll t8, t2, t1 # save bits shifted out + negu t1 + srl t3, t2, t1 + bge t8, zero, 1f # does result need to be rounded? + addu t3, t3, 1 # round result + sltu ta0, t3, 1 + sll t8, t8, 1 + mtc1 ta0, $f1 # exponent and upper fraction + bne t8, zero, 1f # round result to nearest + and t3, t3, ~1 +1: + mtc1 t3, $f0 + bge v1, zero, 1f # is result negative? + neg.d $f0, $f0 # negate result +1: + j ra +7: + mtc1 zero, $f0 # result is zero + mtc1 zero, $f1 + beq t0, zero, 1f # is result positive? + neg.d $f0, $f0 # negate result +1: + j ra +8: + li t1, 0x7ff00000 # result is infinity (MSW) + mtc1 t1, $f1 + mtc1 zero, $f0 # result is infinity (LSW) + bge v1, zero, 1f # should result be negative infinity? + neg.d $f0, $f0 # result is negative infinity +1: + add.d $f0, $f0 # cause overflow faults if enabled + j ra +9: + mov.d $f0, $f12 # yes, result is just x + j ra +END(ldexp) diff --git a/lib/libc/mips/gen/longjmp.c b/lib/libc/mips/gen/longjmp.c new file mode 100644 index 0000000..7c68470 --- /dev/null +++ b/lib/libc/mips/gen/longjmp.c @@ -0,0 +1,103 @@ +/* $NetBSD: longjmp.c,v 1.1 2005/09/17 11:49:39 tsutsui Exp $ */ + +/*- + * Copyright (c) 2003 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Christian Limpach and Matt Thomas. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); +#include "namespace.h" +#include <sys/types.h> +#include <ucontext.h> +#include <signal.h> +#include <stdlib.h> +#include <string.h> + +#include <machine/regnum.h> + +void +__longjmp14(jmp_buf env, int val) +{ + struct sigcontext *sc = (void *)env; + ucontext_t uc; + + /* Ensure non-zero SP and sigcontext magic number is present */ + if (sc->sc_regs[_R_SP] == 0 || sc->sc_regs[_R_ZERO] != 0xACEDBADE) + goto err; + + /* Ensure non-zero return value */ + if (val == 0) + val = 1; + + /* + * Set _UC_{SET,CLR}STACK according to SS_ONSTACK. + * + * Restore the signal mask with sigprocmask() instead of _UC_SIGMASK, + * since libpthread may want to interpose on signal handling. + */ + uc.uc_flags = _UC_CPU | (sc->sc_onstack ? _UC_SETSTACK : _UC_CLRSTACK); + + sigprocmask(SIG_SETMASK, &sc->sc_mask, NULL); + + /* Clear uc_link */ + uc.uc_link = 0; + + /* Save return value in context */ + uc.uc_mcontext.__gregs[_R_V0] = val; + + /* Copy saved registers */ + uc.uc_mcontext.__gregs[_REG_S0] = sc->sc_regs[_R_S0]; + uc.uc_mcontext.__gregs[_REG_S1] = sc->sc_regs[_R_S1]; + uc.uc_mcontext.__gregs[_REG_S2] = sc->sc_regs[_R_S2]; + uc.uc_mcontext.__gregs[_REG_S3] = sc->sc_regs[_R_S3]; + uc.uc_mcontext.__gregs[_REG_S4] = sc->sc_regs[_R_S4]; + uc.uc_mcontext.__gregs[_REG_S5] = sc->sc_regs[_R_S5]; + uc.uc_mcontext.__gregs[_REG_S6] = sc->sc_regs[_R_S6]; + uc.uc_mcontext.__gregs[_REG_S7] = sc->sc_regs[_R_S7]; + uc.uc_mcontext.__gregs[_REG_S8] = sc->sc_regs[_R_S8]; + uc.uc_mcontext.__gregs[_REG_SP] = sc->sc_regs[_R_SP]; + uc.uc_mcontext.__gregs[_REG_RA] = sc->sc_regs[_R_RA]; + uc.uc_mcontext.__gregs[_REG_EPC] = sc->sc_pc; + + /* Copy FP state */ + if (sc->sc_fpused) { + /* FP saved regs are $f20 .. $f31 */ + memcpy(&uc.uc_mcontext.__fpregs.__fp_r.__fp_regs[20], + &sc->sc_fpregs[20], 32 - 20); + uc.uc_mcontext.__fpregs.__fp_csr = + sc->sc_fpregs[_R_FSR - _FPBASE]; + /* XXX sc_fp_control */ + uc.uc_flags |= _UC_FPU; + } + + setcontext(&uc); + err: + longjmperror(); + abort(); + /* NOTREACHED */ +} diff --git a/lib/libc/mips/gen/makecontext.c b/lib/libc/mips/gen/makecontext.c new file mode 100644 index 0000000..f2a826e --- /dev/null +++ b/lib/libc/mips/gen/makecontext.c @@ -0,0 +1,123 @@ +/* $NetBSD: makecontext.c,v 1.5 2009/12/14 01:07:42 matt Exp $ */ + +/*- + * Copyright (c) 2001 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Klaus Klein. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); +#if defined(LIBC_SCCS) && !defined(lint) +__RCSID("$NetBSD: makecontext.c,v 1.5 2009/12/14 01:07:42 matt Exp $"); +#endif + +#include <sys/param.h> +#include <machine/regnum.h> + +#include <stdarg.h> +#include <stdlib.h> +#include <unistd.h> +#include <stdio.h> +#include <ucontext.h> + +__weak_reference(__makecontext, makecontext); + +void _ctx_done(ucontext_t *); +void _ctx_start(void); + +void +__makecontext(ucontext_t *ucp, void (*func)(void), int argc, ...) +{ + mcontext_t *mc; + register_t *sp; + int i; + va_list ap; + + /* + * XXX/juli + * We need an mc_len or mc_flags like other architectures + * so that we can mark a context as invalid. Store it in + * mc->mc_regs[ZERO] perhaps? + */ + if (argc < 0 || argc > 6 || ucp == NULL || + ucp->uc_stack.ss_sp == NULL || + ucp->uc_stack.ss_size < MINSIGSTKSZ) + return; + mc = &ucp->uc_mcontext; + + sp = (register_t *) + ((uintptr_t)ucp->uc_stack.ss_sp + ucp->uc_stack.ss_size); +#if defined(__mips_o32) || defined(__mips_o64) + sp -= (argc >= 4 ? argc : 4); /* Make room for >=4 arguments. */ + sp = (register_t *) + ((uintptr_t)sp & ~0x7); /* Align on double-word boundary. */ +#elif defined(__mips_n32) || defined(__mips_n64) + sp -= (argc > 8 ? argc - 8 : 0); /* Make room for > 8 arguments. */ + sp = (register_t *) + ((uintptr_t)sp & ~0xf); /* Align on quad-word boundary. */ +#endif + + mc->mc_regs[SP] = (intptr_t)sp; + mc->mc_regs[S0] = (intptr_t)ucp; + mc->mc_regs[T9] = (intptr_t)func; + mc->mc_pc = (intptr_t)_ctx_start; + + /* Construct argument list. */ + va_start(ap, argc); +#if defined(__mips_o32) || defined(__mips_o64) + /* Up to the first four arguments are passed in $a0-3. */ + for (i = 0; i < argc && i < 4; i++) + /* LINTED register_t is safe */ + mc->mc_regs[A0 + i] = va_arg(ap, register_t); + /* Pass remaining arguments on the stack above the $a0-3 gap. */ + sp += i; +#endif +#if defined(__mips_n32) || defined(__mips_n64) + /* Up to the first 8 arguments are passed in $a0-7. */ + for (i = 0; i < argc && i < 8; i++) + /* LINTED register_t is safe */ + mc->mc_regs[A0 + i] = va_arg(ap, register_t); + /* Pass remaining arguments on the stack above the $a0-3 gap. */ +#endif + /* Pass remaining arguments on the stack above the $a0-3 gap. */ + for (; i < argc; i++) + /* LINTED uintptr_t is safe */ + *sp++ = va_arg(ap, register_t); + va_end(ap); +} + +void +_ctx_done(ucontext_t *ucp) +{ + + if (ucp->uc_link == NULL) + exit(0); + else { + setcontext((const ucontext_t *)ucp->uc_link); + abort(); + } +} diff --git a/lib/libc/mips/gen/setjmp.S b/lib/libc/mips/gen/setjmp.S new file mode 100644 index 0000000..9c9e8b8 --- /dev/null +++ b/lib/libc/mips/gen/setjmp.S @@ -0,0 +1,238 @@ +/* $NetBSD: setjmp.S,v 1.17 2005/09/17 11:49:39 tsutsui Exp $ */ + +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); +#include <machine/regnum.h> + +#if defined(LIBC_SCCS) && !defined(lint) + ASMSTR("from: @(#)setjmp.s 8.1 (Berkeley) 6/4/93") + ASMSTR("$NetBSD: setjmp.S,v 1.17 2005/09/17 11:49:39 tsutsui Exp $") +#endif /* LIBC_SCCS and not lint */ + +#include "SYS.h" + +#ifdef __ABICALLS__ + .abicalls +#endif + +/* + * C library -- setjmp, longjmp + * + * longjmp(a,v) + * will generate a "return(v)" from + * the last call to + * setjmp(a) + * by restoring registers from the stack, + * and a struct sigcontext, see <signal.h> + */ + +#define SETJMP_FRAME_SIZE (CALLFRAME_SIZ + (SZREG * 2)) + + +NESTED(setjmp, SETJMP_FRAME_SIZE, ra) + .mask 0x80000000, (CALLFRAME_RA - CALLFRAME_SIZ) + SETUP_GP + PTR_SUBU sp, sp, SETJMP_FRAME_SIZE # allocate stack frame + SAVE_GP(CALLFRAME_GP) + SETUP_GP64(CALLFRAME_GP, setjmp) + + REG_S ra, CALLFRAME_RA(sp) # save RA + REG_S a0, CALLFRAME_SIZ(sp) # store env + + /* Get the signal mask. */ + PTR_ADDU a2, a0, _JB_SIGMASK * SZREG # &oenv + li a0, 1 # SIG_SETBLOCK + move a1, zero # &env == 0 + PTR_LA t9, _C_LABEL(sigprocmask) # get current signal mask + jalr t9 + + RESTORE_GP64 + REG_L a0, CALLFRAME_SIZ(sp) # restore env pointer + REG_L ra, CALLFRAME_RA(sp) # restore RA + PTR_ADDU sp, sp, SETJMP_FRAME_SIZE # pop stack frame + + REG_LI v0, _JB_MAGIC_SETJMP + REG_S v0, (_JB_MAGIC * SZREG)(a0) + REG_S ra, (_JB_REG_RA * SZREG)(a0) + /* + * From "MIPSpro N32 ABI Handbook", Table 2-1: + * Registers s0..s7 are callee-saved. + * The sp register is callee-saved. + * The fp (or s8) register is callee-saved. + * The gp register is callee-saved (for n32/n64). + */ + REG_S s0, (_JB_REG_S0 * SZREG)(a0) + REG_S s1, (_JB_REG_S1 * SZREG)(a0) + REG_S s2, (_JB_REG_S2 * SZREG)(a0) + REG_S s3, (_JB_REG_S3 * SZREG)(a0) + REG_S s4, (_JB_REG_S4 * SZREG)(a0) + REG_S s5, (_JB_REG_S5 * SZREG)(a0) + REG_S s6, (_JB_REG_S6 * SZREG)(a0) + REG_S s7, (_JB_REG_S7 * SZREG)(a0) + REG_S sp, (_JB_REG_SP * SZREG)(a0) + REG_S s8, (_JB_REG_S8 * SZREG)(a0) +#if defined(__mips_n32) || defined(__mips_n64) + REG_S gp, (_JB_REG_GP * SZREG)(a0) +#endif +#ifndef SOFTFLOAT + /* + * From "MIPSpro N32 ABI Handbook", Table 2-1: + * In N32, FP registers F20, F22, F24, F26, F28, F30 are callee-saved. + * In N64, FP registers F24 .. F31 are callee-saved. + * In O32, FP registers F20 .. F23 are callee-saved. + */ + cfc1 v0, $31 + INT_S v0, (_JB_FPREG_FCSR * SZREG)(a0) +#if defined(__mips_o32) || defined(__mips_o64) || defined(__mips_n32) + FP_S $f20, (_JB_FPREG_F20 * SZREG)(a0) + FP_S $f22, (_JB_FPREG_F22 * SZREG)(a0) +#endif +#if defined(__mips_o32) || defined(__mips_o64) + FP_S $f21, (_JB_FPREG_F21 * SZREG)(a0) + FP_S $f23, (_JB_FPREG_F23 * SZREG)(a0) +#endif +#if defined(__mips_n32) || defined(__mips_n64) + FP_S $f24, (_JB_FPREG_F24 * SZREG)(a0) + FP_S $f26, (_JB_FPREG_F26 * SZREG)(a0) + FP_S $f28, (_JB_FPREG_F28 * SZREG)(a0) + FP_S $f30, (_JB_FPREG_F30 * SZREG)(a0) +#endif +#if defined(__mips_n64) + FP_S $f25, (_JB_FPREG_F25 * SZREG)(a0) + FP_S $f27, (_JB_FPREG_F27 * SZREG)(a0) + FP_S $f29, (_JB_FPREG_F29 * SZREG)(a0) + FP_S $f31, (_JB_FPREG_F31 * SZREG)(a0) +#endif +#endif /* ! SOFTFLOAT */ + + move v0, zero + jr ra +END(setjmp) + +#define LONGJMP_FRAME_SIZE (CALLFRAME_SIZ + (SZREG * 2)) + +NESTED(longjmp, LONGJMP_FRAME_SIZE, ra) + .mask 0x80000000, (CALLFRAME_RA - CALLFRAME_SIZ) + PIC_PROLOGUE(longjmp) + PTR_SUBU sp, sp, LONGJMP_FRAME_SIZE # allocate stack frame + SAVE_GP(CALLFRAME_GP) + + REG_S ra, CALLFRAME_RA(sp) # save RA + REG_L v0, (_JB_MAGIC * SZREG)(a0) + REG_LI t0, _JB_MAGIC_SETJMP + bne v0, t0, botch # jump if error + nop + + REG_S a0, CALLFRAME_SIZ(sp) # save env + REG_S a1, (CALLFRAME_SIZ + SZREG)(sp) # save return value + + # set sigmask + PTR_ADDU a1, a0, _JB_SIGMASK * SZREG # &set + move a2, zero # &oset == NULL + li a0, 3 # SIG_SETMASK + PTR_LA t9,_C_LABEL(sigprocmask) # set current signal mask + jal t9 + nop + + REG_L a0, CALLFRAME_SIZ(sp) # restore env + REG_L a1, (CALLFRAME_SIZ + SZREG)(sp) # restore return value + + REG_L ra, (_JB_REG_RA * SZREG)(a0) + /* + * From "MIPSpro N32 ABI Handbook", Table 2-1: + * Registers s0..s7 are callee-saved. + * The sp register is callee-saved. + * The fp (or s8) register is callee-saved. + * The gp register is callee-saved (for n32/n64). + */ + REG_L s0, (_JB_REG_S0 * SZREG)(a0) + REG_L s1, (_JB_REG_S1 * SZREG)(a0) + REG_L s2, (_JB_REG_S2 * SZREG)(a0) + REG_L s3, (_JB_REG_S3 * SZREG)(a0) + REG_L s4, (_JB_REG_S4 * SZREG)(a0) + REG_L s5, (_JB_REG_S5 * SZREG)(a0) + REG_L s6, (_JB_REG_S6 * SZREG)(a0) + REG_L s7, (_JB_REG_S7 * SZREG)(a0) + REG_L sp, (_JB_REG_SP * SZREG)(a0) + REG_L s8, (_JB_REG_S8 * SZREG)(a0) +#if defined(__mips_n32) || defined(__mips_n64) + REG_L gp, (_JB_REG_GP * SZREG)(a0) +#endif +#ifndef SOFTFLOAT + /* + * From "MIPSpro N32 ABI Handbook", Table 2-1: + * In N32, FP registers F20, F22, F24, F26, F28, F30 are callee-saved. + * In N64, FP registers F23 .. F31 are callee-saved. + * In O32, FP registers F20 .. F23 are callee-saved. + */ + INT_L v0, (_JB_FPREG_FCSR * SZREG)(a0) + ctc1 v0, $31 +#if defined(__mips_n64) || defined(__mips_n32) + FP_L $f30, (_JB_FPREG_F30 * SZREG)(a0) + FP_L $f28, (_JB_FPREG_F28 * SZREG)(a0) + FP_L $f26, (_JB_FPREG_F26 * SZREG)(a0) + FP_L $f24, (_JB_FPREG_F24 * SZREG)(a0) +#endif +#if defined(__mips_n32) || defined(__mips_o32) || defined(__mips_o64) + FP_L $f22, (_JB_FPREG_F22 * SZREG)(a0) + FP_L $f20, (_JB_FPREG_F20 * SZREG)(a0) +#endif +#if defined(__mips_o32) || defined(__mips_o64) + FP_L $f21, (_JB_FPREG_F21 * SZREG)(a0) + FP_L $f23, (_JB_FPREG_F23 * SZREG)(a0) +#endif +#if defined(__mips_n64) + FP_L $f25, (_JB_FPREG_F25 * SZREG)(a0) + FP_L $f27, (_JB_FPREG_F27 * SZREG)(a0) + FP_L $f29, (_JB_FPREG_F29 * SZREG)(a0) + FP_L $f31, (_JB_FPREG_F31 * SZREG)(a0) +#endif +#endif /* ! SOFTFLOAT */ + + move v0, a1 + j ra + nop + +botch: + /* + * We know we aren't returning so we don't care about restoring + * our caller's GP. + */ + PTR_LA t9, _C_LABEL(longjmperror) + jalr t9 + nop + + PIC_TAILCALL(abort) +END(longjmp) diff --git a/lib/libc/mips/gen/signalcontext.c b/lib/libc/mips/gen/signalcontext.c new file mode 100644 index 0000000..694468c --- /dev/null +++ b/lib/libc/mips/gen/signalcontext.c @@ -0,0 +1,53 @@ +/*- + * Copyright (c) 2004 Olivier Houchard + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <sys/signal.h> +#include <sys/ucontext.h> + +#include <machine/frame.h> +#include <machine/sigframe.h> + +#include <errno.h> +#include <stdarg.h> +#include <stdlib.h> +#include <unistd.h> +#include <strings.h> +#include <signal.h> + +__weak_reference(__signalcontext, signalcontext); + +extern void _ctx_start(void); + +int +__signalcontext(ucontext_t *ucp, int sig, __sighandler_t *func) +{ + /* XXXMIPS: Implement me */ + return (0); +} diff --git a/lib/libc/mips/gen/sigsetjmp.S b/lib/libc/mips/gen/sigsetjmp.S new file mode 100644 index 0000000..41c47f2 --- /dev/null +++ b/lib/libc/mips/gen/sigsetjmp.S @@ -0,0 +1,77 @@ +/* $NetBSD: sigsetjmp.S,v 1.8 2005/09/17 11:49:39 tsutsui Exp $ */ + +/*- + * Copyright (c) 1991, 1993, 1995, + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Havard Eidnes. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); +#include <machine/regnum.h> +#if defined(LIBC_SCCS) && !defined(lint) + ASMSTR("from: @(#)setjmp.s 8.1 (Berkeley) 6/4/93") + ASMSTR("$NetBSD: sigsetjmp.S,v 1.8 2005/09/17 11:49:39 tsutsui Exp $") +#endif /* LIBC_SCCS and not lint */ + +#include "SYS.h" + +#ifdef __ABICALLS__ + .abicalls +#endif + +/* + * C library -- sigsetjmp, siglongjmp + * + * siglongjmp(a,v) + * will generate a "return(v)" from + * the last call to + * sigsetjmp(a, savemask) + * by restoring registers from the stack, + * and dependent on savemask restores the + * signal mask. + */ + +LEAF(sigsetjmp) + PIC_PROLOGUE(sigsetjmp) + + bne a1, zero, 1f # do saving of signal mask? + PIC_TAILCALL(_setjmp) + +1: PIC_TAILCALL(setjmp) +END(sigsetjmp) + +LEAF(siglongjmp) + PIC_PROLOGUE(siglongjmp) + REG_L t0, (_JB_MAGIC * SZREG)(a0) + REG_LI t1, _JB_MAGIC__SETJMP + bne t0, t1, 1f # setjmp or _setjmp magic? + PIC_TAILCALL(_longjmp) +1: PIC_TAILCALL(longjmp) +END(siglongjmp) diff --git a/lib/libc/mips/net/Makefile.inc b/lib/libc/mips/net/Makefile.inc new file mode 100644 index 0000000..304d5ca --- /dev/null +++ b/lib/libc/mips/net/Makefile.inc @@ -0,0 +1,4 @@ +# $NetBSD: Makefile.inc,v 1.3 2003/08/01 17:03:51 lukem Exp $ +# $FreeBSD$ + +SRCS+= htonl.S ntohl.S htons.S ntohs.S diff --git a/lib/libc/mips/net/htonl.S b/lib/libc/mips/net/htonl.S new file mode 100644 index 0000000..66c4f90 --- /dev/null +++ b/lib/libc/mips/net/htonl.S @@ -0,0 +1,51 @@ +/* $NetBSD: byte_swap_4.S,v 1.2 2006/02/08 21:52:36 simonb Exp $ */ + +/*- + * Copyright (c) 1997 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Neil A. Carson + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <machine/asm.h> + +__FBSDID("$FreeBSD$"); + +LEAF(htonl) # a0 = 0x11223344, return 0x44332211 +#ifdef __MIPSEB__ + move v0, a0 +#else + srl v1, a0, 24 # v1 = 0x00000011 + sll v0, a0, 24 # v0 = 0x44000000 + or v0, v0, v1 + and v1, a0, 0xff00 + sll v1, v1, 8 # v1 = 0x00330000 + or v0, v0, v1 + srl v1, a0, 8 + and v1, v1, 0xff00 # v1 = 0x00002200 + or v0, v0, v1 +#endif + j ra +END(htonl) diff --git a/lib/libc/mips/net/htons.S b/lib/libc/mips/net/htons.S new file mode 100644 index 0000000..0449c4d --- /dev/null +++ b/lib/libc/mips/net/htons.S @@ -0,0 +1,47 @@ +/* $NetBSD: byte_swap_2.S,v 1.2 2006/02/08 21:52:36 simonb Exp $ */ + +/*- + * Copyright (c) 1999 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Charles M. Hannum. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <machine/asm.h> + +__FBSDID("$FreeBSD$"); + +LEAF(htons) +#ifdef __MIPSEB__ + move v0, a0 +#else + srl v0, a0, 8 + and v0, v0, 0xff + sll v1, a0, 8 + and v1, v1, 0xff00 + or v0, v0, v1 +#endif + j ra +END(htons) diff --git a/lib/libc/mips/net/ntohl.S b/lib/libc/mips/net/ntohl.S new file mode 100644 index 0000000..39001aa --- /dev/null +++ b/lib/libc/mips/net/ntohl.S @@ -0,0 +1,51 @@ +/* $NetBSD: byte_swap_4.S,v 1.2 2006/02/08 21:52:36 simonb Exp $ */ + +/*- + * Copyright (c) 1997 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Neil A. Carson + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <machine/asm.h> + +__FBSDID("$FreeBSD$"); + +LEAF(ntohl) # a0 = 0x11223344, return 0x44332211 +#ifdef __MIPSEB__ + move v0, a0 +#else + srl v1, a0, 24 # v1 = 0x00000011 + sll v0, a0, 24 # v0 = 0x44000000 + or v0, v0, v1 + and v1, a0, 0xff00 + sll v1, v1, 8 # v1 = 0x00330000 + or v0, v0, v1 + srl v1, a0, 8 + and v1, v1, 0xff00 # v1 = 0x00002200 + or v0, v0, v1 +#endif + j ra +END(ntohl) diff --git a/lib/libc/mips/net/ntohs.S b/lib/libc/mips/net/ntohs.S new file mode 100644 index 0000000..4761371 --- /dev/null +++ b/lib/libc/mips/net/ntohs.S @@ -0,0 +1,46 @@ +/* $NetBSD: byte_swap_2.S,v 1.2 2006/02/08 21:52:36 simonb Exp $ */ + +/*- + * Copyright (c) 1999 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Charles M. Hannum. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + +LEAF(ntohs) +#ifdef __MIPSEB__ + move v0, a0 +#else + srl v0, a0, 8 + and v0, v0, 0xff + sll v1, a0, 8 + and v1, v1, 0xff00 + or v0, v0, v1 +#endif + j ra +END(ntohs) diff --git a/lib/libc/mips/softfloat/milieu.h b/lib/libc/mips/softfloat/milieu.h new file mode 100644 index 0000000..e04b266 --- /dev/null +++ b/lib/libc/mips/softfloat/milieu.h @@ -0,0 +1,48 @@ +/* $FreeBSD$ */ + +/* +=============================================================================== + +This C header file is part of the SoftFloat IEC/IEEE Floating-point +Arithmetic Package, Release 2a. + +Written by John R. Hauser. This work was made possible in part by the +International Computer Science Institute, located at Suite 600, 1947 Center +Street, Berkeley, California 94704. Funding was partially provided by the +National Science Foundation under grant MIP-9311980. The original version +of this code was written as part of a project to build a fixed-point vector +processor in collaboration with the University of California at Berkeley, +overseen by Profs. Nelson Morgan and John Wawrzynek. More information +is available through the Web page `http://HTTP.CS.Berkeley.EDU/~jhauser/ +arithmetic/SoftFloat.html'. + +THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE. Although reasonable effort +has been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT +TIMES RESULT IN INCORRECT BEHAVIOR. USE OF THIS SOFTWARE IS RESTRICTED TO +PERSONS AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL RESPONSIBILITY FOR ANY +AND ALL LOSSES, COSTS, OR OTHER PROBLEMS ARISING FROM ITS USE. + +Derivative works are acceptable, even for commercial purposes, so long as +(1) they include prominent notice that the work is derivative, and (2) they +include prominent notice akin to these four paragraphs for those parts of +this code that are retained. + +=============================================================================== +*/ + +/* +------------------------------------------------------------------------------- +Include common integer types and flags. +------------------------------------------------------------------------------- +*/ +#include "mips-gcc.h" + +/* +------------------------------------------------------------------------------- +Symbolic Boolean literals. +------------------------------------------------------------------------------- +*/ +enum { + FALSE = 0, + TRUE = 1 +}; diff --git a/lib/libc/mips/softfloat/mips-gcc.h b/lib/libc/mips/softfloat/mips-gcc.h new file mode 100644 index 0000000..c8ec07c --- /dev/null +++ b/lib/libc/mips/softfloat/mips-gcc.h @@ -0,0 +1,91 @@ +/* $NetBSD: arm-gcc.h,v 1.2 2001/02/21 18:09:25 bjh21 Exp $ */ +/* $FreeBSD$ */ + +/* +------------------------------------------------------------------------------- +One of the macros `BIGENDIAN' or `LITTLEENDIAN' must be defined. +------------------------------------------------------------------------------- +*/ +#ifdef __MIPSEB__ +#define BIGENDIAN +#else +#define LITTLEENDIAN +#endif + +/* +------------------------------------------------------------------------------- +The macro `BITS64' can be defined to indicate that 64-bit integer types are +supported by the compiler. +------------------------------------------------------------------------------- +*/ +#define BITS64 + +/* +------------------------------------------------------------------------------- +Each of the following `typedef's defines the most convenient type that holds +integers of at least as many bits as specified. For example, `uint8' should +be the most convenient type that can hold unsigned integers of as many as +8 bits. The `flag' type must be able to hold either a 0 or 1. For most +implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed +to the same as `int'. +------------------------------------------------------------------------------- +*/ +typedef int flag; +typedef int uint8; +typedef int int8; +typedef int uint16; +typedef int int16; +typedef unsigned int uint32; +typedef signed int int32; +#ifdef BITS64 +typedef unsigned long long int uint64; +typedef signed long long int int64; +#endif + +/* +------------------------------------------------------------------------------- +Each of the following `typedef's defines a type that holds integers +of _exactly_ the number of bits specified. For instance, for most +implementation of C, `bits16' and `sbits16' should be `typedef'ed to +`unsigned short int' and `signed short int' (or `short int'), respectively. +------------------------------------------------------------------------------- +*/ +typedef unsigned char bits8; +typedef signed char sbits8; +typedef unsigned short int bits16; +typedef signed short int sbits16; +typedef unsigned int bits32; +typedef signed int sbits32; +#ifdef BITS64 +typedef unsigned long long int bits64; +typedef signed long long int sbits64; +#endif + +#ifdef BITS64 +/* +------------------------------------------------------------------------------- +The `LIT64' macro takes as its argument a textual integer literal and +if necessary ``marks'' the literal as having a 64-bit integer type. +For example, the GNU C Compiler (`gcc') requires that 64-bit literals be +appended with the letters `LL' standing for `long long', which is `gcc's +name for the 64-bit integer type. Some compilers may allow `LIT64' to be +defined as the identity macro: `#define LIT64( a ) a'. +------------------------------------------------------------------------------- +*/ +#define LIT64( a ) a##LL +#endif + +/* +------------------------------------------------------------------------------- +The macro `INLINE' can be used before functions that should be inlined. If +a compiler does not support explicit inlining, this macro should be defined +to be `static'. +------------------------------------------------------------------------------- +*/ +#define INLINE static __inline + +#if defined(SOFTFLOAT_FOR_GCC) +/* XXXMIPS: check this one */ +#define FLOAT64_DEMANGLE(a) (a) +#define FLOAT64_MANGLE(a) (a) +#endif diff --git a/lib/libc/mips/softfloat/softfloat.h b/lib/libc/mips/softfloat/softfloat.h new file mode 100644 index 0000000..6aef499 --- /dev/null +++ b/lib/libc/mips/softfloat/softfloat.h @@ -0,0 +1,315 @@ +/* $NetBSD: softfloat.h,v 1.6 2002/05/12 13:12:46 bjh21 Exp $ */ +/* $FreeBSD$ */ + +/* This is a derivative work. */ + +/* +=============================================================================== + +This C header file is part of the SoftFloat IEC/IEEE Floating-point +Arithmetic Package, Release 2a. + +Written by John R. Hauser. This work was made possible in part by the +International Computer Science Institute, located at Suite 600, 1947 Center +Street, Berkeley, California 94704. Funding was partially provided by the +National Science Foundation under grant MIP-9311980. The original version +of this code was written as part of a project to build a fixed-point vector +processor in collaboration with the University of California at Berkeley, +overseen by Profs. Nelson Morgan and John Wawrzynek. More information +is available through the Web page `http://HTTP.CS.Berkeley.EDU/~jhauser/ +arithmetic/SoftFloat.html'. + +THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE. Although reasonable effort +has been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT +TIMES RESULT IN INCORRECT BEHAVIOR. USE OF THIS SOFTWARE IS RESTRICTED TO +PERSONS AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL RESPONSIBILITY FOR ANY +AND ALL LOSSES, COSTS, OR OTHER PROBLEMS ARISING FROM ITS USE. + +Derivative works are acceptable, even for commercial purposes, so long as +(1) they include prominent notice that the work is derivative, and (2) they +include prominent notice akin to these four paragraphs for those parts of +this code that are retained. + +=============================================================================== +*/ + +/* +------------------------------------------------------------------------------- +The macro `FLOATX80' must be defined to enable the extended double-precision +floating-point format `floatx80'. If this macro is not defined, the +`floatx80' type will not be defined, and none of the functions that either +input or output the `floatx80' type will be defined. The same applies to +the `FLOAT128' macro and the quadruple-precision format `float128'. +------------------------------------------------------------------------------- +*/ +/* #define FLOATX80 */ +/* #define FLOAT128 */ + +#include <fenv.h> + +/* +------------------------------------------------------------------------------- +Software IEC/IEEE floating-point types. +------------------------------------------------------------------------------- +*/ +typedef unsigned int float32; +typedef unsigned long long float64; +#ifdef FLOATX80 +typedef struct { + unsigned short high; + unsigned long long low; +} floatx80; +#endif +#ifdef FLOAT128 +typedef struct { + unsigned long long high, low; +} float128; +#endif + +/* +------------------------------------------------------------------------------- +Software IEC/IEEE floating-point underflow tininess-detection mode. +------------------------------------------------------------------------------- +*/ +#ifndef SOFTFLOAT_FOR_GCC +extern int float_detect_tininess; +#endif +enum { + float_tininess_after_rounding = 0, + float_tininess_before_rounding = 1 +}; + +/* +------------------------------------------------------------------------------- +Software IEC/IEEE floating-point rounding mode. +------------------------------------------------------------------------------- +*/ +extern int float_rounding_mode; +enum { + float_round_nearest_even = FE_TONEAREST, + float_round_to_zero = FE_TOWARDZERO, + float_round_down = FE_DOWNWARD, + float_round_up = FE_UPWARD +}; + +/* +------------------------------------------------------------------------------- +Software IEC/IEEE floating-point exception flags. +------------------------------------------------------------------------------- +*/ +extern int float_exception_flags; +extern int float_exception_mask; +enum { + float_flag_inexact = FE_INEXACT, + float_flag_underflow = FE_UNDERFLOW, + float_flag_overflow = FE_OVERFLOW, + float_flag_divbyzero = FE_DIVBYZERO, + float_flag_invalid = FE_INVALID +}; + +/* +------------------------------------------------------------------------------- +Routine to raise any or all of the software IEC/IEEE floating-point +exception flags. +------------------------------------------------------------------------------- +*/ +void float_raise( int ); + +/* +------------------------------------------------------------------------------- +Software IEC/IEEE integer-to-floating-point conversion routines. +------------------------------------------------------------------------------- +*/ +float32 int32_to_float32( int ); +float64 int32_to_float64( int ); +#ifdef FLOATX80 +floatx80 int32_to_floatx80( int ); +#endif +#ifdef FLOAT128 +float128 int32_to_float128( int ); +#endif +#ifndef SOFTFLOAT_FOR_GCC /* __floatdi?f is in libgcc2.c */ +float32 int64_to_float32( long long ); +float64 int64_to_float64( long long ); +#ifdef FLOATX80 +floatx80 int64_to_floatx80( long long ); +#endif +#ifdef FLOAT128 +float128 int64_to_float128( long long ); +#endif +#endif + +/* +------------------------------------------------------------------------------- +Software IEC/IEEE single-precision conversion routines. +------------------------------------------------------------------------------- +*/ +int float32_to_int32( float32 ); +int float32_to_int32_round_to_zero( float32 ); +#if defined(SOFTFLOAT_FOR_GCC) && defined(SOFTFLOAT_NEED_FIXUNS) +unsigned int float32_to_uint32_round_to_zero( float32 ); +#endif +#ifndef SOFTFLOAT_FOR_GCC /* __fix?fdi provided by libgcc2.c */ +long long float32_to_int64( float32 ); +long long float32_to_int64_round_to_zero( float32 ); +#endif +float64 float32_to_float64( float32 ); +#ifdef FLOATX80 +floatx80 float32_to_floatx80( float32 ); +#endif +#ifdef FLOAT128 +float128 float32_to_float128( float32 ); +#endif + +/* +------------------------------------------------------------------------------- +Software IEC/IEEE single-precision operations. +------------------------------------------------------------------------------- +*/ +float32 float32_round_to_int( float32 ); +float32 float32_add( float32, float32 ); +float32 float32_sub( float32, float32 ); +float32 float32_mul( float32, float32 ); +float32 float32_div( float32, float32 ); +float32 float32_rem( float32, float32 ); +float32 float32_sqrt( float32 ); +int float32_eq( float32, float32 ); +int float32_le( float32, float32 ); +int float32_lt( float32, float32 ); +int float32_eq_signaling( float32, float32 ); +int float32_le_quiet( float32, float32 ); +int float32_lt_quiet( float32, float32 ); +#ifndef SOFTFLOAT_FOR_GCC +int float32_is_signaling_nan( float32 ); +#endif + +/* +------------------------------------------------------------------------------- +Software IEC/IEEE double-precision conversion routines. +------------------------------------------------------------------------------- +*/ +int float64_to_int32( float64 ); +int float64_to_int32_round_to_zero( float64 ); +#if defined(SOFTFLOAT_FOR_GCC) && defined(SOFTFLOAT_NEED_FIXUNS) +unsigned int float64_to_uint32_round_to_zero( float64 ); +#endif +#ifndef SOFTFLOAT_FOR_GCC /* __fix?fdi provided by libgcc2.c */ +long long float64_to_int64( float64 ); +long long float64_to_int64_round_to_zero( float64 ); +#endif +float32 float64_to_float32( float64 ); +#ifdef FLOATX80 +floatx80 float64_to_floatx80( float64 ); +#endif +#ifdef FLOAT128 +float128 float64_to_float128( float64 ); +#endif + +/* +------------------------------------------------------------------------------- +Software IEC/IEEE double-precision operations. +------------------------------------------------------------------------------- +*/ +float64 float64_round_to_int( float64 ); +float64 float64_add( float64, float64 ); +float64 float64_sub( float64, float64 ); +float64 float64_mul( float64, float64 ); +float64 float64_div( float64, float64 ); +float64 float64_rem( float64, float64 ); +float64 float64_sqrt( float64 ); +int float64_eq( float64, float64 ); +int float64_le( float64, float64 ); +int float64_lt( float64, float64 ); +int float64_eq_signaling( float64, float64 ); +int float64_le_quiet( float64, float64 ); +int float64_lt_quiet( float64, float64 ); +#ifndef SOFTFLOAT_FOR_GCC +int float64_is_signaling_nan( float64 ); +#endif + +#ifdef FLOATX80 + +/* +------------------------------------------------------------------------------- +Software IEC/IEEE extended double-precision conversion routines. +------------------------------------------------------------------------------- +*/ +int floatx80_to_int32( floatx80 ); +int floatx80_to_int32_round_to_zero( floatx80 ); +long long floatx80_to_int64( floatx80 ); +long long floatx80_to_int64_round_to_zero( floatx80 ); +float32 floatx80_to_float32( floatx80 ); +float64 floatx80_to_float64( floatx80 ); +#ifdef FLOAT128 +float128 floatx80_to_float128( floatx80 ); +#endif + +/* +------------------------------------------------------------------------------- +Software IEC/IEEE extended double-precision rounding precision. Valid +values are 32, 64, and 80. +------------------------------------------------------------------------------- +*/ +extern int floatx80_rounding_precision; + +/* +------------------------------------------------------------------------------- +Software IEC/IEEE extended double-precision operations. +------------------------------------------------------------------------------- +*/ +floatx80 floatx80_round_to_int( floatx80 ); +floatx80 floatx80_add( floatx80, floatx80 ); +floatx80 floatx80_sub( floatx80, floatx80 ); +floatx80 floatx80_mul( floatx80, floatx80 ); +floatx80 floatx80_div( floatx80, floatx80 ); +floatx80 floatx80_rem( floatx80, floatx80 ); +floatx80 floatx80_sqrt( floatx80 ); +int floatx80_eq( floatx80, floatx80 ); +int floatx80_le( floatx80, floatx80 ); +int floatx80_lt( floatx80, floatx80 ); +int floatx80_eq_signaling( floatx80, floatx80 ); +int floatx80_le_quiet( floatx80, floatx80 ); +int floatx80_lt_quiet( floatx80, floatx80 ); +int floatx80_is_signaling_nan( floatx80 ); + +#endif + +#ifdef FLOAT128 + +/* +------------------------------------------------------------------------------- +Software IEC/IEEE quadruple-precision conversion routines. +------------------------------------------------------------------------------- +*/ +int float128_to_int32( float128 ); +int float128_to_int32_round_to_zero( float128 ); +long long float128_to_int64( float128 ); +long long float128_to_int64_round_to_zero( float128 ); +float32 float128_to_float32( float128 ); +float64 float128_to_float64( float128 ); +#ifdef FLOATX80 +floatx80 float128_to_floatx80( float128 ); +#endif + +/* +------------------------------------------------------------------------------- +Software IEC/IEEE quadruple-precision operations. +------------------------------------------------------------------------------- +*/ +float128 float128_round_to_int( float128 ); +float128 float128_add( float128, float128 ); +float128 float128_sub( float128, float128 ); +float128 float128_mul( float128, float128 ); +float128 float128_div( float128, float128 ); +float128 float128_rem( float128, float128 ); +float128 float128_sqrt( float128 ); +int float128_eq( float128, float128 ); +int float128_le( float128, float128 ); +int float128_lt( float128, float128 ); +int float128_eq_signaling( float128, float128 ); +int float128_le_quiet( float128, float128 ); +int float128_lt_quiet( float128, float128 ); +int float128_is_signaling_nan( float128 ); + +#endif + diff --git a/lib/libc/mips/string/Makefile.inc b/lib/libc/mips/string/Makefile.inc new file mode 100644 index 0000000..f37b9af --- /dev/null +++ b/lib/libc/mips/string/Makefile.inc @@ -0,0 +1,8 @@ +# $NetBSD: Makefile.inc,v 1.2 2000/10/10 21:51:54 jeffs Exp $ +# $FreeBSD$ + +SRCS+= bcmp.S bcopy.S bzero.S ffs.S memchr.c memcmp.c memset.c \ + memcpy.S memmove.S \ + strcat.c strchr.S strcmp.S strcpy.c strcspn.c strlen.S \ + strncat.c strncmp.c strncpy.c strrchr.S strpbrk.c strsep.c \ + strspn.c strstr.c swab.c diff --git a/lib/libc/mips/string/bcmp.S b/lib/libc/mips/string/bcmp.S new file mode 100644 index 0000000..ffcaeeb --- /dev/null +++ b/lib/libc/mips/string/bcmp.S @@ -0,0 +1,130 @@ +/* $NetBSD: bcmp.S,v 1.9 2009/12/14 01:07:42 matt Exp $ */ + +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + +#define _LOCORE /* XXX not really, just assembly-code source */ +#include <machine/endian.h> /* LWLO/LWHI, SWLO/SWHI */ + +#if defined(LIBC_SCCS) && !defined(lint) +#if 0 + ASMSTR("from: @(#)bcmp.s 8.1 (Berkeley) 6/4/93") +#else + ASMSTR("$NetBSD: bcmp.S,v 1.9 2009/12/14 01:07:42 matt Exp $") +#endif +#endif /* LIBC_SCCS and not lint */ + +#ifdef __ABICALLS__ + .abicalls +#endif + +/* bcmp(s1, s2, n) */ + + +LEAF(bcmp) + .set noreorder + blt a2, 16, small # is it worth any trouble? + xor v0, a0, a1 # compare low two bits of addresses + and v0, v0, 3 + PTR_SUBU a3, zero, a1 # compute # bytes to word align address + bne v0, zero, unaligned # not possible to align addresses + and a3, a3, 3 + + beq a3, zero, 1f + PTR_SUBU a2, a2, a3 # subtract from remaining count + move v0, v1 # init v0,v1 so unmodified bytes match + LWHI v0, 0(a0) # read 1, 2, or 3 bytes + LWHI v1, 0(a1) + PTR_ADDU a1, a1, a3 + bne v0, v1, nomatch + PTR_ADDU a0, a0, a3 +1: + and a3, a2, ~3 # compute number of whole words left + PTR_SUBU a2, a2, a3 # which has to be >= (16-3) & ~3 + PTR_ADDU a3, a3, a0 # compute ending address +2: + lw v0, 0(a0) # compare words + lw v1, 0(a1) + PTR_ADDU a0, a0, 4 + bne v0, v1, nomatch + PTR_ADDU a1, a1, 4 + bne a0, a3, 2b + nop + b small # finish remainder + nop +unaligned: + beq a3, zero, 2f + PTR_SUBU a2, a2, a3 # subtract from remaining count + PTR_ADDU a3, a3, a0 # compute ending address +1: + lbu v0, 0(a0) # compare bytes until a1 word aligned + lbu v1, 0(a1) + PTR_ADDU a0, a0, 1 + bne v0, v1, nomatch + PTR_ADDU a1, a1, 1 + bne a0, a3, 1b + nop +2: + and a3, a2, ~3 # compute number of whole words left + PTR_SUBU a2, a2, a3 # which has to be >= (16-3) & ~3 + PTR_ADDU a3, a3, a0 # compute ending address +3: + LWHI v0, 0(a0) # compare words a0 unaligned, a1 aligned + LWLO v0, 3(a0) + lw v1, 0(a1) + PTR_ADDU a0, a0, 4 + bne v0, v1, nomatch + PTR_ADDU a1, a1, 4 + bne a0, a3, 3b + nop +small: + ble a2, zero, match + PTR_ADDU a3, a2, a0 # compute ending address +1: + lbu v0, 0(a0) + lbu v1, 0(a1) + PTR_ADDU a0, a0, 1 + bne v0, v1, nomatch + PTR_ADDU a1, a1, 1 + bne a0, a3, 1b + nop +match: + j ra + move v0, zero +nomatch: + j ra + li v0, 1 + .set reorder +END(bcmp) diff --git a/lib/libc/mips/string/bcopy.S b/lib/libc/mips/string/bcopy.S new file mode 100644 index 0000000..bc227e0 --- /dev/null +++ b/lib/libc/mips/string/bcopy.S @@ -0,0 +1,297 @@ +/* $NetBSD: bcopy.S,v 1.3 2009/12/14 00:39:00 matt Exp $ */ + +/* + * Mach Operating System + * Copyright (c) 1993 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ + +/* + * File: mips_bcopy.s + * Author: Chris Maeda + * Date: June 1993 + * + * Fast copy routine. Derived from aligned_block_copy. + */ + + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + +#define _LOCORE /* XXX not really, just assembly-code source */ +#include <machine/endian.h> + +#if defined(LIBC_SCCS) && !defined(lint) +#if 0 + ASMSTR("from: @(#)mips_bcopy.s 2.2 CMU 18/06/93") +#else + ASMSTR("$NetBSD: bcopy.S,v 1.3 2009/12/14 00:39:00 matt Exp $") +#endif +#endif /* LIBC_SCCS and not lint */ + +#ifdef __ABICALLS__ + .abicalls +#endif + +/* + * bcopy(caddr_t src, caddr_t dst, unsigned int len) + * + * a0 src address + * a1 dst address + * a2 length + */ + +#if defined(MEMCOPY) || defined(MEMMOVE) +#ifdef MEMCOPY +#define FUNCTION memcpy +#else +#define FUNCTION memmove +#endif +#define SRCREG a1 +#define DSTREG a0 +#else +#define FUNCTION bcopy +#define SRCREG a0 +#define DSTREG a1 +#endif + +#define SIZEREG a2 + +LEAF(FUNCTION) + .set noat + .set noreorder + +#if defined(MEMCOPY) || defined(MEMMOVE) + /* set up return value, while we still can */ + move v0,DSTREG +#endif + /* + * Make sure we can copy forwards. + */ + sltu t0,SRCREG,DSTREG # t0 == SRCREG < DSTREG + bne t0,zero,6f # copy backwards + + /* + * There are four alignment cases (with frequency) + * (Based on measurements taken with a DECstation 5000/200 + * inside a Mach kernel.) + * + * aligned -> aligned (mostly) + * unaligned -> aligned (sometimes) + * aligned,unaligned -> unaligned (almost never) + * + * Note that we could add another case that checks if + * the destination and source are unaligned but the + * copy is alignable. eg if src and dest are both + * on a halfword boundary. + */ + andi t1,DSTREG,(SZREG-1) # get last bits of dest + bne t1,zero,3f # dest unaligned + andi t0,SRCREG,(SZREG-1) # get last bits of src + bne t0,zero,5f + + /* + * Forward aligned->aligned copy, 8 words at a time. + */ +98: + li AT,-(SZREG*8) + and t0,SIZEREG,AT # count truncated to multiples + PTR_ADDU a3,SRCREG,t0 # run fast loop up to this addr + sltu AT,SRCREG,a3 # any work to do? + beq AT,zero,2f + PTR_SUBU SIZEREG,t0 + + /* + * loop body + */ +1: # cp + REG_L t3,(0*SZREG)(SRCREG) + REG_L v1,(1*SZREG)(SRCREG) + REG_L t0,(2*SZREG)(SRCREG) + REG_L t1,(3*SZREG)(SRCREG) + PTR_ADDU SRCREG,SZREG*8 + REG_S t3,(0*SZREG)(DSTREG) + REG_S v1,(1*SZREG)(DSTREG) + REG_S t0,(2*SZREG)(DSTREG) + REG_S t1,(3*SZREG)(DSTREG) + REG_L t1,(-1*SZREG)(SRCREG) + REG_L t0,(-2*SZREG)(SRCREG) + REG_L v1,(-3*SZREG)(SRCREG) + REG_L t3,(-4*SZREG)(SRCREG) + PTR_ADDU DSTREG,SZREG*8 + REG_S t1,(-1*SZREG)(DSTREG) + REG_S t0,(-2*SZREG)(DSTREG) + REG_S v1,(-3*SZREG)(DSTREG) + bne SRCREG,a3,1b + REG_S t3,(-4*SZREG)(DSTREG) + + /* + * Copy a word at a time, no loop unrolling. + */ +2: # wordcopy + andi t2,SIZEREG,(SZREG-1) # get byte count / SZREG + PTR_SUBU t2,SIZEREG,t2 # t2 = words to copy * SZREG + beq t2,zero,3f + PTR_ADDU t0,SRCREG,t2 # stop at t0 + PTR_SUBU SIZEREG,SIZEREG,t2 +1: + REG_L t3,0(SRCREG) + PTR_ADDU SRCREG,SZREG + REG_S t3,0(DSTREG) + bne SRCREG,t0,1b + PTR_ADDU DSTREG,SZREG + +3: # bytecopy + beq SIZEREG,zero,4f # nothing left to do? + nop +1: + lb t3,0(SRCREG) + PTR_ADDU SRCREG,1 + sb t3,0(DSTREG) + PTR_SUBU SIZEREG,1 + bgtz SIZEREG,1b + PTR_ADDU DSTREG,1 + +4: # copydone + j ra + nop + + /* + * Copy from unaligned source to aligned dest. + */ +5: # destaligned + andi t0,SIZEREG,(SZREG-1) # t0 = bytecount mod SZREG + PTR_SUBU a3,SIZEREG,t0 # number of words to transfer + beq a3,zero,3b + nop + move SIZEREG,t0 # this many to do after we are done + PTR_ADDU a3,SRCREG,a3 # stop point + +1: + REG_LHI t3,0(SRCREG) + REG_LLO t3,SZREG-1(SRCREG) + PTR_ADDI SRCREG,SZREG + REG_S t3,0(DSTREG) + bne SRCREG,a3,1b + PTR_ADDI DSTREG,SZREG + + b 3b + nop + +6: # backcopy -- based on above + PTR_ADDU SRCREG,SIZEREG + PTR_ADDU DSTREG,SIZEREG + andi t1,DSTREG,SZREG-1 # get last 3 bits of dest + bne t1,zero,3f + andi t0,SRCREG,SZREG-1 # get last 3 bits of src + bne t0,zero,5f + + /* + * Forward aligned->aligned copy, 8*4 bytes at a time. + */ + li AT,(-8*SZREG) + and t0,SIZEREG,AT # count truncated to multiple of 32 + beq t0,zero,2f # any work to do? + PTR_SUBU SIZEREG,t0 + PTR_SUBU a3,SRCREG,t0 + + /* + * loop body + */ +1: # cp + REG_L t3,(-4*SZREG)(SRCREG) + REG_L v1,(-3*SZREG)(SRCREG) + REG_L t0,(-2*SZREG)(SRCREG) + REG_L t1,(-1*SZREG)(SRCREG) + PTR_SUBU SRCREG,8*SZREG + REG_S t3,(-4*SZREG)(DSTREG) + REG_S v1,(-3*SZREG)(DSTREG) + REG_S t0,(-2*SZREG)(DSTREG) + REG_S t1,(-1*SZREG)(DSTREG) + REG_L t1,(3*SZREG)(SRCREG) + REG_L t0,(2*SZREG)(SRCREG) + REG_L v1,(1*SZREG)(SRCREG) + REG_L t3,(0*SZREG)(SRCREG) + PTR_SUBU DSTREG,8*SZREG + REG_S t1,(3*SZREG)(DSTREG) + REG_S t0,(2*SZREG)(DSTREG) + REG_S v1,(1*SZREG)(DSTREG) + bne SRCREG,a3,1b + REG_S t3,(0*SZREG)(DSTREG) + + /* + * Copy a word at a time, no loop unrolling. + */ +2: # wordcopy + andi t2,SIZEREG,SZREG-1 # get byte count / 4 + PTR_SUBU t2,SIZEREG,t2 # t2 = number of words to copy + beq t2,zero,3f + PTR_SUBU t0,SRCREG,t2 # stop at t0 + PTR_SUBU SIZEREG,SIZEREG,t2 +1: + REG_L t3,-SZREG(SRCREG) + PTR_SUBU SRCREG,SZREG + REG_S t3,-SZREG(DSTREG) + bne SRCREG,t0,1b + PTR_SUBU DSTREG,SZREG + +3: # bytecopy + beq SIZEREG,zero,4f # nothing left to do? + nop +1: + lb t3,-1(SRCREG) + PTR_SUBU SRCREG,1 + sb t3,-1(DSTREG) + PTR_SUBU SIZEREG,1 + bgtz SIZEREG,1b + PTR_SUBU DSTREG,1 + +4: # copydone + j ra + nop + + /* + * Copy from unaligned source to aligned dest. + */ +5: # destaligned + andi t0,SIZEREG,SZREG-1 # t0 = bytecount mod 4 + PTR_SUBU a3,SIZEREG,t0 # number of words to transfer + beq a3,zero,3b + nop + move SIZEREG,t0 # this many to do after we are done + PTR_SUBU a3,SRCREG,a3 # stop point + +1: + REG_LHI t3,-SZREG(SRCREG) + REG_LLO t3,-1(SRCREG) + PTR_SUBU SRCREG,SZREG + REG_S t3,-SZREG(DSTREG) + bne SRCREG,a3,1b + PTR_SUBU DSTREG,SZREG + + b 3b + nop + + .set reorder + .set at + END(FUNCTION) diff --git a/lib/libc/mips/string/bzero.S b/lib/libc/mips/string/bzero.S new file mode 100644 index 0000000..83e54ba --- /dev/null +++ b/lib/libc/mips/string/bzero.S @@ -0,0 +1,83 @@ +/* $NetBSD: bzero.S,v 1.10 2009/12/14 02:53:52 matt Exp $ */ + +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + +#if defined(LIBC_SCCS) && !defined(lint) +#if 0 + ASMSTR("from: @(#)bzero.s 8.1 (Berkeley) 6/4/93") +#else + ASMSTR("$NetBSD: bzero.S,v 1.10 2009/12/14 02:53:52 matt Exp $") +#endif +#endif /* LIBC_SCCS and not lint */ + +#define _LOCORE /* XXX not really, just assembly-code source */ +#include <machine/endian.h> + +#ifdef __ABICALLS__ + .abicalls +#endif + +/* bzero(s1, n) */ + +LEAF(bzero) + .set noreorder + blt a1, 3*SZREG, smallclr # small amount to clear? + PTR_SUBU a3, zero, a0 # compute # bytes to word align address + and a3, a3, SZREG-1 + beq a3, zero, 1f # skip if word aligned + PTR_SUBU a1, a1, a3 # subtract from remaining count + REG_SHI zero, 0(a0) # clear 1, 2, or 3 bytes to align + PTR_ADDU a0, a0, a3 +1: + and v0, a1, SZREG-1 # compute number of words left + PTR_SUBU a3, a1, v0 + move a1, v0 + PTR_ADDU a3, a3, a0 # compute ending address +2: + PTR_ADDU a0, a0, SZREG # clear words + bne a0, a3, 2b # unrolling loop doesnt help + REG_S zero, -SZREG(a0) # since we are limited by memory speed +smallclr: + ble a1, zero, 2f + PTR_ADDU a3, a1, a0 # compute ending address +1: + PTR_ADDU a0, a0, 1 # clear bytes + bne a0, a3, 1b + sb zero, -1(a0) +2: + j ra + nop +END(bzero) diff --git a/lib/libc/mips/string/ffs.S b/lib/libc/mips/string/ffs.S new file mode 100644 index 0000000..17e509c --- /dev/null +++ b/lib/libc/mips/string/ffs.S @@ -0,0 +1,59 @@ +/* $NetBSD: ffs.S,v 1.2 2009/12/14 00:39:00 matt Exp $ */ + +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + +#if defined(LIBC_SCCS) && !defined(lint) + ASMSTR("from: @(#)ffs.s 8.1 (Berkeley) 6/4/93") + ASMSTR("$NetBSD: ffs.S,v 1.2 2009/12/14 00:39:00 matt Exp $") +#endif /* LIBC_SCCS and not lint */ + +#ifdef __ABICALLS__ + .abicalls +#endif + +/* bit = ffs(value) */ + +LEAF(ffs) + move v0, zero + beq a0, zero, done +1: + and v1, a0, 1 # bit set? + addu v0, v0, 1 + srl a0, a0, 1 + beq v1, zero, 1b # no, continue +done: + j ra +END(ffs) diff --git a/lib/libc/mips/string/memcpy.S b/lib/libc/mips/string/memcpy.S new file mode 100644 index 0000000..8d3c0db --- /dev/null +++ b/lib/libc/mips/string/memcpy.S @@ -0,0 +1,7 @@ +/* $NetBSD: memcpy.S,v 1.1 2005/12/20 19:28:50 christos Exp $ */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + +#define MEMCOPY +#include "bcopy.S" diff --git a/lib/libc/mips/string/memmove.S b/lib/libc/mips/string/memmove.S new file mode 100644 index 0000000..29d9e70 --- /dev/null +++ b/lib/libc/mips/string/memmove.S @@ -0,0 +1,7 @@ +/* $NetBSD: memmove.S,v 1.1 2005/12/20 19:28:50 christos Exp $ */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + +#define MEMMOVE +#include "bcopy.S" diff --git a/lib/libc/mips/string/strchr.S b/lib/libc/mips/string/strchr.S new file mode 100644 index 0000000..198366f --- /dev/null +++ b/lib/libc/mips/string/strchr.S @@ -0,0 +1,61 @@ +/* $NetBSD: index.S,v 1.8 2005/04/22 06:59:00 simonb Exp $ */ + +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + +#if defined(LIBC_SCCS) && !defined(lint) + ASMSTR("from: @(#)index.s 8.1 (Berkeley) 6/4/93") + ASMSTR("$NetBSD: index.S,v 1.8 2005/04/22 06:59:00 simonb Exp $") +#endif /* LIBC_SCCS and not lint */ + +#ifdef __ABICALLS__ + .abicalls +#endif + +LEAF(strchr) +1: + lbu a2, 0(a0) # get a byte + PTR_ADDU a0, a0, 1 + beq a2, a1, fnd + bne a2, zero, 1b +notfnd: + move v0, zero + j ra +fnd: + PTR_SUBU v0, a0, 1 + j ra +END(strchr) + +WEAK_ALIAS(index, strchr) diff --git a/lib/libc/mips/string/strcmp.S b/lib/libc/mips/string/strcmp.S new file mode 100644 index 0000000..8a99056 --- /dev/null +++ b/lib/libc/mips/string/strcmp.S @@ -0,0 +1,68 @@ +/* $NetBSD: strcmp.S,v 1.2 2009/12/14 00:39:00 matt Exp $ */ + +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + +#if defined(LIBC_SCCS) && !defined(lint) + ASMSTR("from: @(#)strcmp.s 8.1 (Berkeley) 6/4/93") + ASMSTR("$NetBSD: strcmp.S,v 1.2 2009/12/14 00:39:00 matt Exp $") +#endif /* LIBC_SCCS and not lint */ + +#ifdef __ABICALLS__ + .abicalls +#endif + +/* + * NOTE: this version assumes unsigned chars in order to be "8 bit clean". + */ +LEAF(strcmp) +1: + lbu t0, 0(a0) # get two bytes and compare them + lbu t1, 0(a1) + beq t0, zero, LessOrEq # end of first string? + bne t0, t1, NotEq + lbu t0, 1(a0) # unroll loop + lbu t1, 1(a1) + PTR_ADD a0, a0, 2 + beq t0, zero, LessOrEq # end of first string? + PTR_ADD a1, a1, 2 + beq t0, t1, 1b +NotEq: + subu v0, t0, t1 + j ra +LessOrEq: + subu v0, zero, t1 + j ra +END(strcmp) diff --git a/lib/libc/mips/string/strlen.S b/lib/libc/mips/string/strlen.S new file mode 100644 index 0000000..3b46ccc --- /dev/null +++ b/lib/libc/mips/string/strlen.S @@ -0,0 +1,55 @@ +/* $NetBSD: strlen.S,v 1.2 2009/12/14 00:39:00 matt Exp $ */ + +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + +#if defined(LIBC_SCCS) && !defined(lint) + ASMSTR("from: @(#)strlen.s 8.1 (Berkeley) 6/4/93") + ASMSTR("$NetBSD: strlen.S,v 1.2 2009/12/14 00:39:00 matt Exp $") +#endif /* LIBC_SCCS and not lint */ + +#ifdef __ABICALLS__ + .abicalls +#endif + +LEAF(strlen) + PTR_ADDU v1, a0, 1 +1: + lb v0, 0(a0) # get byte from string + PTR_ADDU a0, a0, 1 # increment pointer + bne v0, zero, 1b # continue if not end + PTR_SUBU v0, a0, v1 # compute length - 1 for '\0' char + j ra +END(strlen) diff --git a/lib/libc/mips/string/strrchr.S b/lib/libc/mips/string/strrchr.S new file mode 100644 index 0000000..5a88a42 --- /dev/null +++ b/lib/libc/mips/string/strrchr.S @@ -0,0 +1,59 @@ +/* $NetBSD: rindex.S,v 1.7 2003/08/07 16:42:16 agc Exp $ */ + +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + +#if defined(LIBC_SCCS) && !defined(lint) + ASMSTR("from: @(#)rindex.s 8.1 (Berkeley) 6/4/93") + ASMSTR("$NetBSD: rindex.S,v 1.7 2003/08/07 16:42:16 agc Exp $") +#endif /* LIBC_SCCS and not lint */ + +#ifdef __ABICALLS__ + .abicalls +#endif + +LEAF(strrchr) + move v0, zero # default if not found +1: + lbu a3, 0(a0) # get a byte + PTR_ADDU a0, a0, 1 + bne a3, a1, 2f + PTR_SUBU v0, a0, 1 # save address of last match +2: + bne a3, zero, 1b # continue if not end + j ra +END(strrchr) + +WEAK_ALIAS(rindex, strrchr) diff --git a/lib/libc/mips/sys/Makefile.inc b/lib/libc/mips/sys/Makefile.inc new file mode 100644 index 0000000..c754f36 --- /dev/null +++ b/lib/libc/mips/sys/Makefile.inc @@ -0,0 +1,15 @@ +# $FreeBSD$ + +SRCS+= __vdso_gettc.c + +MDASM= Ovfork.S brk.S cerror.S exect.S \ + fork.S pipe.S ptrace.S sbrk.S syscall.S + +# Don't generate default code for these syscalls: +NOASM= break.o exit.o ftruncate.o getlogin.o lseek.o mmap.o \ + openbsd_poll.o pread.o pwrite.o sstk.o truncate.o vfork.o yield.o + +PSEUDO= _exit.o _getlogin.o +.if ${MK_SYSCALL_COMPAT} != "no" +PSEUDO+= _pread.o _pwrite.o _lseek.o _mmap.o _ftruncate.o _truncate.o +.endif diff --git a/lib/libc/mips/sys/Ovfork.S b/lib/libc/mips/sys/Ovfork.S new file mode 100644 index 0000000..9df93ea --- /dev/null +++ b/lib/libc/mips/sys/Ovfork.S @@ -0,0 +1,64 @@ +/* $NetBSD: compat_Ovfork.S,v 1.1 2005/09/17 11:49:39 tsutsui Exp $ */ + +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); +#include "SYS.h" + +#if defined(LIBC_SCCS) && !defined(lint) + ASMSTR("from: @(#)Ovfork.s 8.1 (Berkeley) 6/4/93") + ASMSTR("$NetBSD: compat_Ovfork.S,v 1.1 2005/09/17 11:49:39 tsutsui Exp $") +#endif /* LIBC_SCCS and not lint */ + +/* + * pid = vfork(); + * + * v1 == 0 in parent process, v1 == 1 in child process. + * v0 == pid of child in parent, v0 == pid of parent in child. + */ + +LEAF(__sys_vfork) + WEAK_ALIAS(vfork, __sys_vfork) + WEAK_ALIAS(_vfork, __sys_vfork) + PIC_PROLOGUE(__sys_vfork) + li v0, SYS_vfork # system call number for vfork + syscall + beq a3, zero, 1f # jump if no errors + PIC_TAILCALL(__cerror) +1: + beq v1, zero, 2f # parent process ? + move v0, zero # return zero in child +2: + PIC_RETURN() +END(__sys_vfork) diff --git a/lib/libc/mips/sys/__vdso_gettc.c b/lib/libc/mips/sys/__vdso_gettc.c new file mode 100644 index 0000000..b99bbc4 --- /dev/null +++ b/lib/libc/mips/sys/__vdso_gettc.c @@ -0,0 +1,48 @@ +/*- + * Copyright (c) 2013 Konstantin Belousov <kib@FreeBSD.org> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/types.h> +#include <sys/time.h> +#include <sys/vdso.h> +#include <errno.h> + +#pragma weak __vdso_gettc +u_int +__vdso_gettc(const struct vdso_timehands *th) +{ + + return (0); +} + +#pragma weak __vdso_gettimekeep +int +__vdso_gettimekeep(struct vdso_timekeep **tk) +{ + + return (ENOSYS); +} diff --git a/lib/libc/mips/sys/brk.S b/lib/libc/mips/sys/brk.S new file mode 100644 index 0000000..68f0bd4 --- /dev/null +++ b/lib/libc/mips/sys/brk.S @@ -0,0 +1,71 @@ +/* $NetBSD: brk.S,v 1.16 2003/08/07 16:42:17 agc Exp $ */ + +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); +#include "SYS.h" + +#if defined(LIBC_SCCS) && !defined(lint) + ASMSTR("from: @(#)brk.s 8.1 (Berkeley) 6/4/93") + ASMSTR("$NetBSD: brk.S,v 1.16 2003/08/07 16:42:17 agc Exp $") +#endif /* LIBC_SCCS and not lint */ + + .globl _C_LABEL(minbrk) + .globl _C_LABEL(__curbrk) + .globl _C_LABEL(_end) + + .data +_C_LABEL(minbrk): + PTR_WORD _C_LABEL(_end) + + .text +LEAF(__sys_brk) + WEAK_ALIAS(brk, __sys_brk) + WEAK_ALIAS(_brk, __sys_brk) + PIC_PROLOGUE(__sys_brk) + PTR_LA v0, _C_LABEL(minbrk) + PTR_L v0, 0(v0) + bgeu a0, v0, 1f + move a0, v0 # dont allow break < minbrk +1: + li v0, SYS_break + syscall + bne a3, zero, 2f + PTR_LA t0, _C_LABEL(__curbrk) + PTR_S a0, 0(t0) + move v0, zero + PIC_RETURN() +2: + PIC_TAILCALL(__cerror) +END(__sys_brk) diff --git a/lib/libc/mips/sys/cerror.S b/lib/libc/mips/sys/cerror.S new file mode 100644 index 0000000..c504d73 --- /dev/null +++ b/lib/libc/mips/sys/cerror.S @@ -0,0 +1,72 @@ +/* $NetBSD: cerror.S,v 1.14 2009/12/14 01:07:42 matt Exp $ */ + +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); +#include "SYS.h" + +#if defined(LIBC_SCCS) && !defined(lint) +#if 0 + RCSID("from: @(#)cerror.s 8.1 (Berkeley) 6/16/93") +#else + RCSID("$NetBSD: cerror.S,v 1.14 2009/12/14 01:07:42 matt Exp $") +#endif +#endif /* LIBC_SCCS and not lint */ + + .globl _C_LABEL(__error) +NESTED_NOPROFILE(__cerror, CALLFRAME_SIZ, ra) + .mask 0x80000000, (CALLFRAME_RA - CALLFRAME_SIZ) + SETUP_GP + PTR_SUBU sp, sp, CALLFRAME_SIZ + SETUP_GP64(CALLFRAME_GP, __cerror) + SAVE_GP(CALLFRAME_GP) + + PTR_S ra, CALLFRAME_RA(sp) + REG_S v0, CALLFRAME_S0(sp) # save errno value + + PTR_LA t9, _C_LABEL(__error) # locate address of errno + jalr t9 + + REG_L t0, CALLFRAME_S0(sp) + PTR_L ra, CALLFRAME_RA(sp) + INT_S t0, 0(v0) # update errno value + + RESTORE_GP64 + PTR_ADDU sp, sp, CALLFRAME_SIZ + + li v0, -1 + li v1, -1 + + j ra +END(__cerror) diff --git a/lib/libc/mips/sys/exect.S b/lib/libc/mips/sys/exect.S new file mode 100644 index 0000000..613d47c --- /dev/null +++ b/lib/libc/mips/sys/exect.S @@ -0,0 +1,51 @@ +/* $NetBSD: exect.S,v 1.9 2003/08/07 16:42:17 agc Exp $ */ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); +#include "SYS.h" + +#if defined(LIBC_SCCS) && !defined(lint) + ASMSTR("from: @(#)exect.s 8.1 (Berkeley) 6/4/93") + ASMSTR("$NetBSD: exect.S,v 1.9 2003/08/07 16:42:17 agc Exp $") +#endif /* LIBC_SCCS and not lint */ + +LEAF(exect) + PIC_PROLOGUE(exect) + li v0, SYS_execve + syscall + bne a3, zero, 1f + PIC_RETURN() +1: + PIC_TAILCALL(__cerror) +END(exect) diff --git a/lib/libc/mips/sys/fork.S b/lib/libc/mips/sys/fork.S new file mode 100644 index 0000000..7636bd3 --- /dev/null +++ b/lib/libc/mips/sys/fork.S @@ -0,0 +1,57 @@ +/* $NetBSD: fork.S,v 1.11 2003/08/07 16:42:17 agc Exp $ */ + +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); +#include "SYS.h" + +#if defined(LIBC_SCCS) && !defined(lint) + ASMSTR("from: @(#)fork.s 8.1 (Berkeley) 6/4/93") + ASMSTR("$NetBSD: fork.S,v 1.11 2003/08/07 16:42:17 agc Exp $") +#endif /* LIBC_SCCS and not lint */ + +LEAF(__sys_fork) + WEAK_ALIAS(fork, __sys_fork) + WEAK_ALIAS(_fork, __sys_fork) + PIC_PROLOGUE(__sys_fork) + li v0, SYS_fork # pid = fork() + syscall + bne a3, zero, 2f + beq v1, zero, 1f # v1 == 0 in parent, 1 in child + move v0, zero +1: + PIC_RETURN() +2: + PIC_TAILCALL(__cerror) +END(__sys_fork) diff --git a/lib/libc/mips/sys/pipe.S b/lib/libc/mips/sys/pipe.S new file mode 100644 index 0000000..0146532 --- /dev/null +++ b/lib/libc/mips/sys/pipe.S @@ -0,0 +1,57 @@ +/* $NetBSD: pipe.S,v 1.11 2005/04/22 06:58:01 simonb Exp $ */ + +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); +#include "SYS.h" + +#if defined(LIBC_SCCS) && !defined(lint) + ASMSTR("from: @(#)pipe.s 8.1 (Berkeley) 6/4/93") + ASMSTR("$NetBSD: pipe.S,v 1.11 2005/04/22 06:58:01 simonb Exp $") +#endif /* LIBC_SCCS and not lint */ + +LEAF(__sys_pipe) + WEAK_ALIAS(pipe, __sys_pipe) + WEAK_ALIAS(_pipe, __sys_pipe) + PIC_PROLOGUE(__sys_pipe) + li v0, SYS_pipe # pipe(fildes) int fildes[2]; + syscall + bne a3, zero, 1f + sw v0, 0(a0) # store the two file descriptors + sw v1, 4(a0) + move v0, zero + PIC_RETURN() +1: + PIC_TAILCALL(__cerror) +END(__sys_pipe) diff --git a/lib/libc/mips/sys/ptrace.S b/lib/libc/mips/sys/ptrace.S new file mode 100644 index 0000000..8cf984a9 --- /dev/null +++ b/lib/libc/mips/sys/ptrace.S @@ -0,0 +1,71 @@ +/* $NetBSD: ptrace.S,v 1.9 2003/08/07 16:42:17 agc Exp $ */ + +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); +#include "SYS.h" + +#if defined(LIBC_SCCS) && !defined(lint) + ASMSTR("from: @(#)ptrace.s 8.1 (Berkeley) 6/4/93") + ASMSTR("$NetBSD: ptrace.S,v 1.9 2003/08/07 16:42:17 agc Exp $") +#endif /* LIBC_SCCS and not lint */ + +NESTED_NOPROFILE(ptrace, CALLFRAME_SIZ, ra) + .mask 0x80000000, (CALLFRAME_RA - CALLFRAME_SIZ) + SETUP_GP + PTR_SUBU sp, sp, CALLFRAME_SIZ + SETUP_GP64(CALLFRAME_GP, ptrace) + SAVE_GP(CALLFRAME_GP) + + PTR_S ra, CALLFRAME_RA(sp) + + PTR_LA t9, _C_LABEL(__error) # locate address of errno + jalr t9 + + PTR_L ra, CALLFRAME_RA(sp) + INT_S zero, 0(v0) # update errno value + + li v0, SYS_ptrace + syscall + + # Load __cerror's address using our gp, then restore it. + PTR_LA t9, __cerror + RESTORE_GP64 + PTR_ADDU sp, sp, CALLFRAME_SIZ + + bne a3, zero, 1f + + j ra +1: j t9 +END(ptrace) diff --git a/lib/libc/mips/sys/sbrk.S b/lib/libc/mips/sys/sbrk.S new file mode 100644 index 0000000..0989493 --- /dev/null +++ b/lib/libc/mips/sys/sbrk.S @@ -0,0 +1,73 @@ +/* $NetBSD: sbrk.S,v 1.16 2005/04/22 06:58:01 simonb Exp $ */ + +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); +#include "SYS.h" + +#if defined(LIBC_SCCS) && !defined(lint) + ASMSTR("from: @(#)sbrk.s 8.1 (Berkeley) 6/4/93") + ASMSTR("$NetBSD: sbrk.S,v 1.16 2005/04/22 06:58:01 simonb Exp $") +#endif /* LIBC_SCCS and not lint */ + + .globl _C_LABEL(__curbrk) + .globl _C_LABEL(_end) + + .data +_C_LABEL(__curbrk): + PTR_WORD _C_LABEL(_end) + .text + +LEAF(__sys_sbrk) + WEAK_ALIAS(sbrk, __sys_sbrk) + WEAK_ALIAS(_sbrk, __sys_sbrk) + PIC_PROLOGUE(__sys_sbrk) + PTR_LA t0, _C_LABEL(__curbrk) + PTR_L t0, 0(t0) + PTR_ADDU a0, a0, t0 + + li v0, SYS_break + syscall + + bne a3, zero, 1f + nop + move v0, t0 # return old val of curbrk from above + PTR_LA t0, _C_LABEL(__curbrk) + PTR_S a0, 0(t0) # save current val of curbrk from above + PIC_RETURN() + j ra + +1: + PIC_TAILCALL(__cerror) +END(__sys_sbrk) diff --git a/lib/libc/mips/sys/shmat.S b/lib/libc/mips/sys/shmat.S new file mode 100644 index 0000000..d81f6bf --- /dev/null +++ b/lib/libc/mips/sys/shmat.S @@ -0,0 +1,7 @@ +/* $NetBSD: shmat.S,v 1.1 2000/07/07 08:20:52 itohy Exp $ */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); +#include "SYS.h" + +RSYSCALL(shmat) diff --git a/lib/libc/mips/sys/syscall.S b/lib/libc/mips/sys/syscall.S new file mode 100644 index 0000000..b3c6708 --- /dev/null +++ b/lib/libc/mips/sys/syscall.S @@ -0,0 +1,44 @@ +/* $NetBSD: syscall.S,v 1.5 2003/08/07 16:42:18 agc Exp $ */ + +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); +#include "SYS.h" + +#if defined(LIBC_SCCS) && !defined(lint) + ASMSTR("from: @(#)syscall.s 8.1 (Berkeley) 6/4/93") + ASMSTR("$NetBSD: syscall.S,v 1.5 2003/08/07 16:42:18 agc Exp $") +#endif /* LIBC_SCCS and not lint */ + +RSYSCALL(syscall) |
