diff options
author | imp <imp@FreeBSD.org> | 1999-03-03 07:06:17 +0000 |
---|---|---|
committer | imp <imp@FreeBSD.org> | 1999-03-03 07:06:17 +0000 |
commit | 4d23a3a1e4929fb9ae50da0a0cc6224e36682889 (patch) | |
tree | 6319ff0addf11af182760607660afd2709373b75 /lib | |
parent | caaaa6363b062987768a65519c536c68acb1a3c7 (diff) | |
download | FreeBSD-src-4d23a3a1e4929fb9ae50da0a0cc6224e36682889.zip FreeBSD-src-4d23a3a1e4929fb9ae50da0a0cc6224e36682889.tar.gz |
Bring in initial libc support for mips. These files were taken from
the OpenBSD tree and should be considered preliminary. They are here
to facilitate building of the tree.
Diffstat (limited to 'lib')
48 files changed, 2684 insertions, 0 deletions
diff --git a/lib/libc/mips/:errfix b/lib/libc/mips/:errfix new file mode 100644 index 0000000..528c927 --- /dev/null +++ b/lib/libc/mips/:errfix @@ -0,0 +1,5 @@ +?sys_nerr? +.-4,.+1m1 +.+1,$g/\.data/s//\.text/ +w +q diff --git a/lib/libc/mips/Makefile.inc b/lib/libc/mips/Makefile.inc new file mode 100644 index 0000000..c64d01b --- /dev/null +++ b/lib/libc/mips/Makefile.inc @@ -0,0 +1,4 @@ +# $OpenBSD: Makefile.inc,v 1.1.1.1 1995/10/18 08:41:33 deraadt Exp $ + +KMINCLUDES= +KMSRCS= diff --git a/lib/libc/mips/SYS.h b/lib/libc/mips/SYS.h new file mode 100644 index 0000000..ccce710 --- /dev/null +++ b/lib/libc/mips/SYS.h @@ -0,0 +1,80 @@ +/*- + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 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 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. + * + * $OpenBSD: SYS.h,v 1.3 1996/07/30 20:27:48 pefo Exp $ + */ + +#include <sys/syscall.h> +#include <machine/asm.h> + +#ifdef __STDC__ +#define RSYSCALL(x) \ + LEAF(x); \ + li v0,SYS_ ## x; \ + syscall; \ + bne a3,zero,err; \ + j ra; \ + err: la t9, cerror; \ + jr t9; \ + END(x); +#define PSEUDO(x,y) \ + LEAF(x); \ + li v0,SYS_ ## y; \ + syscall; \ + bne a3,zero,err; \ + j ra; \ + err: la t9, cerror; \ + jr t9; \ + END(x); +#else +#define RSYSCALL(x) \ + LEAF(x); \ + li v0,SYS_/**/x; \ + syscall; \ + bne a3,zero,err; \ + j ra; \ + err: la t9, cerror; \ + jr t9; \ + END(x); +#define PSEUDO(x,y) \ + LEAF(x); \ + li v0,SYS_/**/y; \ + syscall; \ + bne a3,zero,err; \ + j ra; \ + err: la t9, cerror; \ + jr t9; \ + END(x); +#endif diff --git a/lib/libc/mips/gen/Makefile.inc b/lib/libc/mips/gen/Makefile.inc new file mode 100644 index 0000000..6c358a9 --- /dev/null +++ b/lib/libc/mips/gen/Makefile.inc @@ -0,0 +1,6 @@ +# $OpenBSD: Makefile.inc,v 1.4 1995/12/15 01:12:36 jonathan Exp $ + +SRCS+= _setjmp.S fabs.S frexp.c infinity.c isinf.S ldexp.S modf.S +SRCS+= flt_rounds.c fpgetmask.c fpgetround.c fpgetsticky.c fpsetmask.c \ + fpsetround.c fpsetsticky.c +SRCS+= setjmp.S sigsetjmp.S diff --git a/lib/libc/mips/gen/_setjmp.S b/lib/libc/mips/gen/_setjmp.S new file mode 100644 index 0000000..0e7b886 --- /dev/null +++ b/lib/libc/mips/gen/_setjmp.S @@ -0,0 +1,132 @@ +/*- + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 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 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/regnum.h> +#include <machine/asm.h> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD: _setjmp.S,v 1.5 1996/08/19 08:15:51 tholo Exp $" +#endif /* LIBC_SCCS */ + +/* + * 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. + */ + +LEAF(_setjmp) + .set noreorder + li v0, 0xACEDBADE # sigcontext magic number + sw ra, (2 * 4)(a0) # sc_pc = return address + sw v0, (3 * 4)(a0) # saved in sc_regs[0] + sw s0, ((S0 + 3) * 4)(a0) + sw s1, ((S1 + 3) * 4)(a0) + sw s2, ((S2 + 3) * 4)(a0) + sw s3, ((S3 + 3) * 4)(a0) + sw s4, ((S4 + 3) * 4)(a0) + sw s5, ((S5 + 3) * 4)(a0) + sw s6, ((S6 + 3) * 4)(a0) + sw s7, ((S7 + 3) * 4)(a0) + sw sp, ((SP + 3) * 4)(a0) + sw s8, ((S8 + 3) * 4)(a0) + cfc1 v0, $31 # too bad cant check if FP used + swc1 $f20, ((20 + 38) * 4)(a0) + swc1 $f21, ((21 + 38) * 4)(a0) + swc1 $f22, ((22 + 38) * 4)(a0) + swc1 $f23, ((23 + 38) * 4)(a0) + swc1 $f24, ((24 + 38) * 4)(a0) + swc1 $f25, ((25 + 38) * 4)(a0) + swc1 $f26, ((26 + 38) * 4)(a0) + swc1 $f27, ((27 + 38) * 4)(a0) + swc1 $f28, ((28 + 38) * 4)(a0) + swc1 $f29, ((29 + 38) * 4)(a0) + swc1 $f30, ((30 + 38) * 4)(a0) + swc1 $f31, ((31 + 38) * 4)(a0) + sw v0, ((32 + 38) * 4)(a0) + j ra + move v0, zero +END(_setjmp) + +LEAF(_longjmp) +#ifdef ABICALLS + subu sp, sp, 32 + .cprestore 16 +#endif + .set noreorder + lw v0, (3 * 4)(a0) # get magic number + lw ra, (2 * 4)(a0) + bne v0, 0xACEDBADE, botch # jump if error + + addu sp, sp, 32 # does not matter, sanity + lw s0, ((S0 + 3) * 4)(a0) + lw s1, ((S1 + 3) * 4)(a0) + lw s2, ((S2 + 3) * 4)(a0) + lw s3, ((S3 + 3) * 4)(a0) + lw s4, ((S4 + 3) * 4)(a0) + lw s5, ((S5 + 3) * 4)(a0) + lw s6, ((S6 + 3) * 4)(a0) + lw s7, ((S7 + 3) * 4)(a0) + lw v0, ((32 + 38) * 4)(a0) # get fpu status + lw sp, ((SP + 3) * 4)(a0) + lw s8, ((S8 + 3) * 4)(a0) + ctc1 v0, $31 + lwc1 $f20, ((20 + 38) * 4)(a0) + lwc1 $f21, ((21 + 38) * 4)(a0) + lwc1 $f22, ((22 + 38) * 4)(a0) + lwc1 $f23, ((23 + 38) * 4)(a0) + lwc1 $f24, ((24 + 38) * 4)(a0) + lwc1 $f25, ((25 + 38) * 4)(a0) + lwc1 $f26, ((26 + 38) * 4)(a0) + lwc1 $f27, ((27 + 38) * 4)(a0) + lwc1 $f28, ((28 + 38) * 4)(a0) + lwc1 $f29, ((29 + 38) * 4)(a0) + lwc1 $f30, ((30 + 38) * 4)(a0) + lwc1 $f31, ((31 + 38) * 4)(a0) + + j ra + move v0, a1 +botch: + jal _C_LABEL(longjmperror) + nop + jal _C_LABEL(abort) + nop +END(_longjmp) diff --git a/lib/libc/mips/gen/fabs.S b/lib/libc/mips/gen/fabs.S new file mode 100644 index 0000000..5306870 --- /dev/null +++ b/lib/libc/mips/gen/fabs.S @@ -0,0 +1,54 @@ +/*- + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 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 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> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* LIBC_SCCS */ + +/* + * fabs(x) + * double x; + * + * Return absolute value of x. + */ +LEAF(fabs) + .set noreorder + j ra + abs.d $f0, $f12 # compute absolute value of x +END(fabs) diff --git a/lib/libc/mips/gen/flt_rounds.c b/lib/libc/mips/gen/flt_rounds.c new file mode 100644 index 0000000..289ed7c --- /dev/null +++ b/lib/libc/mips/gen/flt_rounds.c @@ -0,0 +1,27 @@ +/* + * Written by J.T. Conklin, Apr 11, 1995 + * Public domain. + */ + +#include <sys/types.h> +#include <machine/float.h> + +#if defined(LIBC_SCCS) && !defined(lint) +static char rcsid[] = "$OpenBSD: flt_rounds.c,v 1.3 1997/08/01 21:36:28 deraadt Exp $"; +#endif /* LIBC_SCCS and not lint */ + +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,$31" : "=r" (x)); + return map[x & 0x03]; +} diff --git a/lib/libc/mips/gen/fpgetmask.c b/lib/libc/mips/gen/fpgetmask.c new file mode 100644 index 0000000..8c1a53e --- /dev/null +++ b/lib/libc/mips/gen/fpgetmask.c @@ -0,0 +1,19 @@ +/* + * Written by J.T. Conklin, Apr 11, 1995 + * Public domain. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char rcsid[] = "$OpenBSD$"; +#endif /* LIBC_SCCS and not lint */ + +#include <ieeefp.h> + +fp_except +fpgetmask() +{ + int x; + + __asm__("cfc1 %0,$31" : "=r" (x)); + return (x >> 7) & 0x1f; +} diff --git a/lib/libc/mips/gen/fpgetround.c b/lib/libc/mips/gen/fpgetround.c new file mode 100644 index 0000000..565f7c8 --- /dev/null +++ b/lib/libc/mips/gen/fpgetround.c @@ -0,0 +1,19 @@ +/* + * Written by J.T. Conklin, Apr 11, 1995 + * Public domain. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char rcsid[] = "$OpenBSD$"; +#endif /* LIBC_SCCS and not lint */ + +#include <ieeefp.h> + +fp_rnd +fpgetround() +{ + int x; + + __asm__("cfc1 %0,$31" : "=r" (x)); + return x & 0x03; +} diff --git a/lib/libc/mips/gen/fpgetsticky.c b/lib/libc/mips/gen/fpgetsticky.c new file mode 100644 index 0000000..f7057ff --- /dev/null +++ b/lib/libc/mips/gen/fpgetsticky.c @@ -0,0 +1,19 @@ +/* + * Written by J.T. Conklin, Apr 11, 1995 + * Public domain. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char rcsid[] = "$OpenBSD$"; +#endif /* LIBC_SCCS and not lint */ + +#include <ieeefp.h> + +fp_except +fpgetsticky() +{ + int x; + + __asm__("cfc1 %0,$31" : "=r" (x)); + return (x >> 2) & 0x1f; +} diff --git a/lib/libc/mips/gen/fpsetmask.c b/lib/libc/mips/gen/fpsetmask.c new file mode 100644 index 0000000..c57f52f --- /dev/null +++ b/lib/libc/mips/gen/fpsetmask.c @@ -0,0 +1,28 @@ +/* + * Written by J.T. Conklin, Apr 11, 1995 + * Public domain. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char rcsid[] = "$OpenBSD$"; +#endif /* LIBC_SCCS and not lint */ + +#include <ieeefp.h> + +fp_except +fpsetmask(mask) + fp_except mask; +{ + fp_except old; + fp_except new; + + __asm__("cfc1 %0,$31" : "=r" (old)); + + new = old; + new &= ~(0x1f << 7); + new |= ((mask & 0x1f) << 7); + + __asm__("ctc1 %0,$31" : : "r" (new)); + + return (old >> 7) & 0x1f; +} diff --git a/lib/libc/mips/gen/fpsetround.c b/lib/libc/mips/gen/fpsetround.c new file mode 100644 index 0000000..9516d34 --- /dev/null +++ b/lib/libc/mips/gen/fpsetround.c @@ -0,0 +1,28 @@ +/* + * Written by J.T. Conklin, Apr 11, 1995 + * Public domain. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char rcsid[] = "$OpenBSD$"; +#endif /* LIBC_SCCS and not lint */ + +#include <ieeefp.h> + +fp_rnd +fpsetround(rnd_dir) + fp_rnd rnd_dir; +{ + fp_rnd old; + fp_rnd new; + + __asm__("cfc1 %0,$31" : "=r" (old)); + + new = old; + new &= ~0x03; + new |= (rnd_dir & 0x03); + + __asm__("ctc1 %0,$31" : : "r" (new)); + + return old & 0x03; +} diff --git a/lib/libc/mips/gen/fpsetsticky.c b/lib/libc/mips/gen/fpsetsticky.c new file mode 100644 index 0000000..493c3a0 --- /dev/null +++ b/lib/libc/mips/gen/fpsetsticky.c @@ -0,0 +1,28 @@ +/* + * Written by J.T. Conklin, Apr 11, 1995 + * Public domain. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char rcsid[] = "$OpenBSD$"; +#endif /* LIBC_SCCS and not lint */ + +#include <ieeefp.h> + +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/frexp.c b/lib/libc/mips/gen/frexp.c new file mode 100644 index 0000000..181e1dc --- /dev/null +++ b/lib/libc/mips/gen/frexp.c @@ -0,0 +1,73 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. 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 the University of + * California, Berkeley and its contributors. + * 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 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. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char rcsid[] = "$OpenBSD: frexp.c,v 1.3 1997/07/23 20:55:24 kstailey Exp $"; +#endif /* LIBC_SCCS and not lint */ + +#include <sys/types.h> +#include <machine/endian.h> +#include <math.h> + +double +frexp(value, eptr) + double value; + int *eptr; +{ + union { + double v; + struct { +#if BYTE_ORDER == LITTLE_ENDIAN + u_int u_mant2 : 32; + u_int u_mant1 : 20; + u_int u_exp : 11; + u_int u_sign : 1; +#else + u_int u_sign : 1; + u_int u_exp : 11; + u_int u_mant1 : 20; + u_int u_mant2 : 32; +#endif + } s; + } u; + + if (value) { + u.v = value; + *eptr = u.s.u_exp - 1022; + u.s.u_exp = 1022; + return(u.v); + } else { + *eptr = 0; + return((double)0); + } +} diff --git a/lib/libc/mips/gen/infinity.c b/lib/libc/mips/gen/infinity.c new file mode 100644 index 0000000..7a0b131 --- /dev/null +++ b/lib/libc/mips/gen/infinity.c @@ -0,0 +1,15 @@ +/* infinity.c */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char rcsid[] = "$OpenBSD: infinity.c,v 1.2 1996/08/19 08:16:01 tholo Exp $"; +#endif /* LIBC_SCCS and not lint */ + +#include <math.h> +#include <sys/types.h> + +/* bytes for +Infinity on a MIPS */ +#if BYTE_ORDER == BIG_ENDIAN +char __infinity[] = { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 }; +#else +char __infinity[] = { 0, 0, 0, 0, 0, 0, 0xf0, 0x7f }; +#endif diff --git a/lib/libc/mips/gen/isinf.S b/lib/libc/mips/gen/isinf.S new file mode 100644 index 0000000..e872cd7 --- /dev/null +++ b/lib/libc/mips/gen/isinf.S @@ -0,0 +1,95 @@ +/*- + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 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 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> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* LIBC_SCCS */ + +#define DEXP_INF 0x7ff + +/* + * isnan(x) + * double x; + * + * Return true if x is a NAN. + */ +LEAF(isnan) + .set noreorder + 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 + bne t1, DEXP_INF, 2f # is it a finite number? + sll t2, v1, 32 - 20 # get x fraction + bne t3, zero, 1f # is it a NAN? + nop + beq t2, zero, 2f # its infinity + nop +1: + j ra + li v0, 1 # x is a NAN +2: + j ra + move v0, zero # x is NOT a NAN +END(isnan) + +/* + * isinf(x) + * double x; + * + * Return true if x is infinity. + */ +LEAF(isinf) + .set noreorder + 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 + bne t1, DEXP_INF, 1f # is it a finite number? + sll t2, v1, 32 - 20 # get x fraction + bne t3, zero, 1f # is it a NAN? + nop + bne t2, zero, 1f # is it a NAN? + nop + j ra + li v0, 1 # x is infinity +1: + j ra + move v0, zero # x is NOT infinity +END(isinf) diff --git a/lib/libc/mips/gen/ldexp.S b/lib/libc/mips/gen/ldexp.S new file mode 100644 index 0000000..5aa6131 --- /dev/null +++ b/lib/libc/mips/gen/ldexp.S @@ -0,0 +1,217 @@ +/*- + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 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 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> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* LIBC_SCCS */ + +#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) + .set reorder + 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 t4, v0, 16 + bne t4, zero, 1f + addu t9, 16 + sll v0, 16 +1: + srl t4, v0, 24 + bne t4, zero, 1f + addu t9, 8 + sll v0, 8 +1: + srl t4, v0, 28 + bne t4, zero, 1f + addu t9, 4 + sll v0, 4 +1: + srl t4, v0, 30 + bne t4, zero, 1f + addu t9, 2 + sll v0, 2 +1: + srl t4, v0, 31 + bne t4, 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 t4, t3, v0 + or t2, t2, t4 + 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 t4, 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, t4 + srl t2, t2, t1 + bge t8, zero, 1f # does result need to be rounded? + addu t3, t3, 1 # round result + sltu t4, t3, 1 + sll t8, t8, 1 + addu t2, t2, t4 + 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 t4, t3, 1 + sll t8, t8, 1 + mtc1 t4, $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/modf.S b/lib/libc/mips/gen/modf.S new file mode 100644 index 0000000..057feaa --- /dev/null +++ b/lib/libc/mips/gen/modf.S @@ -0,0 +1,75 @@ +/*- + * 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 + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 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 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> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* LIBC_SCCS */ + +/* + * double modf(val, iptr) + * double val, *iptr; + * returns: xxx and n (in *iptr) where val == n.xxx + */ +LEAF(modf) + .set reorder + cfc1 t0, $31 # get the control register + li.d $f2, 4503599627370496e0 # f2 <- 2^52 + + or t1, t0, 0x3 # set rounding mode to round to zero + xor t1, t1, 0x2 # (i.e., 01) + ctc1 t1, $31 + + mov.d $f0, $f12 # f0 <- f12 + abs.d $f4, $f12 # f4 <- |f12| + c.olt.d $f4, $f2 # f4 ? < f2 + bc1f 1f # leave f0 alone if Nan, infinity + # or >=2^52 + c.eq.d $f12,$f4 # was f12 positive ? + add.d $f4,$f2,$f4 # round off to integer + bc1f 2f # No -> will have to negate result + sub.d $f0,$f4,$f2 # Remove fudge factor + j 1f # integer fraction got +2: + sub.d $f0,$f2,$f4 # Remove fudge factor and negate +1: + ctc1 t0, $31 # restore old rounding mode + s.d $f0, 0(a2) # save the integer part + sub.d $f0, $f12, $f0 # subtract val - integer part + j ra +END(modf) diff --git a/lib/libc/mips/gen/setjmp.S b/lib/libc/mips/gen/setjmp.S new file mode 100644 index 0000000..0abfed8 --- /dev/null +++ b/lib/libc/mips/gen/setjmp.S @@ -0,0 +1,128 @@ +/*- + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 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 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 <sys/syscall.h> +#include <machine/asm.h> +#include <machine/regnum.h> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD: setjmp.S,v 1.6 1997/07/23 20:55:25 kstailey Exp $" +#endif /* LIBC_SCCS */ + +/* + * 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 (STAND_FRAME_SIZE + 12) + +NON_LEAF(setjmp, SETJMP_FRAME_SIZE, ra) + .mask 0x80000000, (STAND_RA_OFFSET - STAND_FRAME_SIZE) + subu sp, sp, SETJMP_FRAME_SIZE # allocate stack frame +#ifdef ABICALLS + .cprestore 16 +#endif + .set reorder + sw ra, STAND_RA_OFFSET(sp) # save state + sw a0, SETJMP_FRAME_SIZE(sp) + move a0, zero # get current signal mask + jal _C_LABEL(sigblock) + lw v1, SETJMP_FRAME_SIZE(sp) # v1 = jmpbuf + sw v0, (1 * 4)(v1) # save sc_mask = sigblock(0) + move a0, zero + addu a1, sp, STAND_FRAME_SIZE # pointer to struct sigaltstack + jal _C_LABEL(sigaltstack) + lw a0, SETJMP_FRAME_SIZE(sp) # restore jmpbuf + lw v1, STAND_FRAME_SIZE+8(sp) # get old ss_onstack + and v1, v1, 1 # extract onstack flag + sw v1, 0(a0) # save it in sc_onstack + lw ra, STAND_RA_OFFSET(sp) + addu sp, sp, SETJMP_FRAME_SIZE + blt v0, zero, botch # check for sigstack() error + sw ra, (2 * 4)(a0) # sc_pc = return address + li v0, 0xACEDBADE # sigcontext magic number + sw v0, ((ZERO + 3) * 4)(a0) # saved in sc_regs[0] + sw s0, ((S0 + 3) * 4)(a0) + sw s1, ((S1 + 3) * 4)(a0) + sw s2, ((S2 + 3) * 4)(a0) + sw s3, ((S3 + 3) * 4)(a0) + sw s4, ((S4 + 3) * 4)(a0) + sw s5, ((S5 + 3) * 4)(a0) + sw s6, ((S6 + 3) * 4)(a0) + sw s7, ((S7 + 3) * 4)(a0) + sw gp, ((GP + 3) * 4)(a0) + sw sp, ((SP + 3) * 4)(a0) + sw s8, ((S8 + 3) * 4)(a0) + li v0, 1 # be nice if we could tell + sw v0, (37 * 4)(a0) # sc_fpused = 1 + cfc1 v0, $31 + swc1 $f20, ((20 + 38) * 4)(a0) + swc1 $f21, ((21 + 38) * 4)(a0) + swc1 $f22, ((22 + 38) * 4)(a0) + swc1 $f23, ((23 + 38) * 4)(a0) + swc1 $f24, ((24 + 38) * 4)(a0) + swc1 $f25, ((25 + 38) * 4)(a0) + swc1 $f26, ((26 + 38) * 4)(a0) + swc1 $f27, ((27 + 38) * 4)(a0) + swc1 $f28, ((28 + 38) * 4)(a0) + swc1 $f29, ((29 + 38) * 4)(a0) + swc1 $f30, ((30 + 38) * 4)(a0) + swc1 $f31, ((31 + 38) * 4)(a0) + sw v0, ((32 + 38) * 4)(a0) + move v0, zero + j ra +END(setjmp) + +LEAF(longjmp) +#ifdef ABICALLS + subu sp, sp, 32 + .cprestore 16 +#endif + .set reorder + sw a1, ((V0 + 3) * 4)(a0) # save return value in sc_regs[V0] + li v0, SYS_sigreturn + syscall +botch: + jal _C_LABEL(longjmperror) + jal _C_LABEL(abort) +END(longjmp) diff --git a/lib/libc/mips/gen/sigsetjmp.S b/lib/libc/mips/gen/sigsetjmp.S new file mode 100644 index 0000000..4a7d414 --- /dev/null +++ b/lib/libc/mips/gen/sigsetjmp.S @@ -0,0 +1,78 @@ +/*- + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 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 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 <sys/syscall.h> +#include <machine/regnum.h> +#include <machine/asm.h> +#include <machine/setjmp.h> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* LIBC_SCCS */ + +/* + * 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) + .set reorder + sw a1, (_JBLEN*4)(a0) # save "savemask" + bne a1, 0x0, 1f # do saving of signal mask? + la t9, _setjmp + jr t9 + +1: la t9, setjmp + jr t9 +END(sigsetjmp) + +LEAF(siglongjmp) + .set reorder + lw t0, (_JBLEN * 4)(a0) # get "savemask" + bne t0, 0x0, 1f # restore signal mask? + la t9, _longjmp + jr t9 +1: la t9, longjmp + jr t9 +END(siglongjmp) diff --git a/lib/libc/mips/net/Makefile.inc b/lib/libc/mips/net/Makefile.inc new file mode 100644 index 0000000..1518429 --- /dev/null +++ b/lib/libc/mips/net/Makefile.inc @@ -0,0 +1,4 @@ +# $OpenBSD: Makefile.inc,v 1.1 1995/02/25 14:59:01 cgd Exp $ + +SRCS+= htonl.S htons.S +LSRCS+= htonl.c htons.c diff --git a/lib/libc/mips/net/htonl.S b/lib/libc/mips/net/htonl.S new file mode 100644 index 0000000..3ec9a96 --- /dev/null +++ b/lib/libc/mips/net/htonl.S @@ -0,0 +1,69 @@ +/*- + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 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 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> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* LIBC_SCCS */ + +/* + * netorder = htonl(hostorder) + * hostorder = ntohl(netorder) + */ +ALEAF(ntohl) +NLEAF(htonl) # a0 = 0x11223344, return 0x44332211 + .set reorder +#ifdef MIPSEL + 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 +#else +#ifdef MIPSEB + move v0, a0 +#else + ERROR +#endif +#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..be056d2 --- /dev/null +++ b/lib/libc/mips/net/htons.S @@ -0,0 +1,65 @@ +/*- + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 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 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> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* LIBC_SCCS */ + +/* + * netorder = htons(hostorder) + * hostorder = ntohs(netorder) + */ +ALEAF(ntohs) +NLEAF(htons) + .set reorder +#ifdef MIPSEL + srl v0, a0, 8 + and v0, v0, 0xff + sll v1, a0, 8 + and v1, v1, 0xff00 + or v0, v0, v1 +#else +#ifdef MIPSEB + move v0, a0 +#else + ERROR +#endif +#endif + j ra +END(htons) diff --git a/lib/libc/mips/stdlib/Makefile.inc b/lib/libc/mips/stdlib/Makefile.inc new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/lib/libc/mips/stdlib/Makefile.inc diff --git a/lib/libc/mips/string/Makefile.inc b/lib/libc/mips/string/Makefile.inc new file mode 100644 index 0000000..a60e550 --- /dev/null +++ b/lib/libc/mips/string/Makefile.inc @@ -0,0 +1,7 @@ +# $OpenBSD: Makefile.inc,v 1.1 1995/03/20 14:45:47 mycroft Exp $ + +SRCS+= bcmp.S bcopy.S bzero.S ffs.S index.S memchr.c memcmp.c memset.c \ + rindex.S strcat.c strcmp.S strcpy.c strcspn.c strlen.S \ + strncat.c strncmp.c strncpy.c strpbrk.c strsep.c \ + strspn.c strstr.c swab.c +LSRCS+= bcmp.c bcopy.c bzero.c ffs.c index.c rindex.c strcmp.c strlen.c diff --git a/lib/libc/mips/string/bcmp.S b/lib/libc/mips/string/bcmp.S new file mode 100644 index 0000000..7d3a96e --- /dev/null +++ b/lib/libc/mips/string/bcmp.S @@ -0,0 +1,120 @@ +/*- + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 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 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> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* LIBC_SCCS */ + +/* 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 + 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 + 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) + addu a1, a1, a3 + bne v0, v1, nomatch + addu a0, a0, a3 +1: + and a3, a2, ~3 # compute number of whole words left + subu a2, a2, a3 # which has to be >= (16-3) & ~3 + addu a3, a3, a0 # compute ending address +2: + lw v0, 0(a0) # compare words + lw v1, 0(a1) + addu a0, a0, 4 + bne v0, v1, nomatch + addu a1, a1, 4 + bne a0, a3, 2b + nop + b small # finish remainder + nop +unaligned: + beq a3, zero, 2f + subu a2, a2, a3 # subtract from remaining count + addu a3, a3, a0 # compute ending address +1: + lbu v0, 0(a0) # compare bytes until a1 word aligned + lbu v1, 0(a1) + addu a0, a0, 1 + bne v0, v1, nomatch + addu a1, a1, 1 + bne a0, a3, 1b + nop +2: + and a3, a2, ~3 # compute number of whole words left + subu a2, a2, a3 # which has to be >= (16-3) & ~3 + 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) + addu a0, a0, 4 + bne v0, v1, nomatch + addu a1, a1, 4 + bne a0, a3, 3b + nop +small: + ble a2, zero, match + addu a3, a2, a0 # compute ending address +1: + lbu v0, 0(a0) + lbu v1, 0(a1) + addu a0, a0, 1 + bne v0, v1, nomatch + 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..3f64af5 --- /dev/null +++ b/lib/libc/mips/string/bcopy.S @@ -0,0 +1,127 @@ +/*- + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 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 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> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* LIBC_SCCS */ + +/* bcopy(s1, s2, n) */ + + +LEAF(bcopy) + .set noreorder + addu t0, a0, a2 # t0 = end of s1 region + sltu t1, a1, t0 + sltu t2, a0, a1 + and t1, t1, t2 # t1 = true if from < to < (from+len) + beq t1, zero, forward # non overlapping, do forward copy + slt t2, a2, 12 # check for small copy + + ble a2, zero, 2f + addu t1, a1, a2 # t1 = end of to region +1: + lb v0, -1(t0) # copy bytes backwards, + subu t0, t0, 1 # doesnt happen often so do slow way + subu t1, t1, 1 + bne t0, a0, 1b + sb v0, 0(t1) +2: + j ra + nop +forward: + bne t2, zero, smallcpy # do a small bcopy + xor v0, a0, a1 # compare low two bits of addresses + and v0, v0, 3 + subu a3, zero, a1 # compute # bytes to word align address + beq v0, zero, aligned # addresses can be word aligned + and a3, a3, 3 + + beq a3, zero, 1f + subu a2, a2, a3 # subtract from remaining count + LWHI v0, 0(a0) # get next 4 bytes (unaligned) + LWLO v0, 3(a0) + addu a0, a0, a3 + SWHI v0, 0(a1) # store 1, 2, or 3 bytes to align a1 + addu a1, a1, a3 +1: + and v0, a2, 3 # compute number of words left + subu a3, a2, v0 + move a2, v0 + addu a3, a3, a0 # compute ending address +2: + LWHI v0, 0(a0) # copy words a0 unaligned, a1 aligned + LWLO v0, 3(a0) + addu a0, a0, 4 + addu a1, a1, 4 + bne a0, a3, 2b + sw v0, -4(a1) + b smallcpy + nop +aligned: + beq a3, zero, 1f + subu a2, a2, a3 # subtract from remaining count + LWHI v0, 0(a0) # copy 1, 2, or 3 bytes to align + addu a0, a0, a3 + SWHI v0, 0(a1) + addu a1, a1, a3 +1: + and v0, a2, 3 # compute number of whole words left + subu a3, a2, v0 + move a2, v0 + addu a3, a3, a0 # compute ending address +2: + lw v0, 0(a0) # copy words + addu a0, a0, 4 + addu a1, a1, 4 + bne a0, a3, 2b + sw v0, -4(a1) +smallcpy: + ble a2, zero, 2f + addu a3, a2, a0 # compute ending address +1: + lbu v0, 0(a0) # copy bytes + addu a0, a0, 1 + addu a1, a1, 1 + bne a0, a3, 1b + sb v0, -1(a1) +2: + j ra + nop + .set reorder +END(bcopy) diff --git a/lib/libc/mips/string/bzero.S b/lib/libc/mips/string/bzero.S new file mode 100644 index 0000000..cb5d258 --- /dev/null +++ b/lib/libc/mips/string/bzero.S @@ -0,0 +1,74 @@ +/*- + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 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 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> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* LIBC_SCCS */ + +/* bzero(s1, n) */ + +LEAF(bzero) + .set noreorder + blt a1, 12, smallclr # small amount to clear? + subu a3, zero, a0 # compute # bytes to word align address + and a3, a3, 3 + beq a3, zero, 1f # skip if word aligned + subu a1, a1, a3 # subtract from remaining count + SWHI zero, 0(a0) # clear 1, 2, or 3 bytes to align + addu a0, a0, a3 +1: + and v0, a1, 3 # compute number of words left + subu a3, a1, v0 + move a1, v0 + addu a3, a3, a0 # compute ending address +2: + addu a0, a0, 4 # clear words + bne a0, a3, 2b # unrolling loop doesnt help + sw zero, -4(a0) # since we are limited by memory speed +smallclr: + ble a1, zero, 2f + addu a3, a1, a0 # compute ending address +1: + 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..7392ad8 --- /dev/null +++ b/lib/libc/mips/string/ffs.S @@ -0,0 +1,57 @@ +/*- + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 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 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> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* LIBC_SCCS */ + +/* bit = ffs(value) */ + +LEAF(ffs) + .set reorder + 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/index.S b/lib/libc/mips/string/index.S new file mode 100644 index 0000000..c3bbe57 --- /dev/null +++ b/lib/libc/mips/string/index.S @@ -0,0 +1,56 @@ +/*- + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 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 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> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* LIBC_SCCS */ + +LEAF(index) + .set reorder + lbu a2, 0(a0) # get a byte + addu a0, a0, 1 + beq a2, a1, fnd + bne a2, zero, _C_LABEL(index) +notfnd: + move v0, zero + j ra +fnd: + subu v0, a0, 1 + j ra +END(index) diff --git a/lib/libc/mips/string/rindex.S b/lib/libc/mips/string/rindex.S new file mode 100644 index 0000000..4e7dee4 --- /dev/null +++ b/lib/libc/mips/string/rindex.S @@ -0,0 +1,55 @@ +/*- + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 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 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> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* LIBC_SCCS */ + +LEAF(rindex) + .set reorder + move v0, zero # default if not found +1: + lbu a3, 0(a0) # get a byte + addu a0, a0, 1 + bne a3, a1, 2f + subu v0, a0, 1 # save address of last match +2: + bne a3, zero, 1b # continue if not end + j ra +END(rindex) diff --git a/lib/libc/mips/string/strcmp.S b/lib/libc/mips/string/strcmp.S new file mode 100644 index 0000000..bd6922e2 --- /dev/null +++ b/lib/libc/mips/string/strcmp.S @@ -0,0 +1,66 @@ +/*- + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 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 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> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* LIBC_SCCS */ + +/* + * NOTE: this version assumes unsigned chars in order to be "8 bit clean". + */ +LEAF(strcmp) + .set reorder +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) + add a0, a0, 2 + beq t0, zero, LessOrEq # end of first string? + 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..4f0569a --- /dev/null +++ b/lib/libc/mips/string/strlen.S @@ -0,0 +1,53 @@ +/*- + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 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 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> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* LIBC_SCCS */ + +LEAF(strlen) + .set reorder + addu v1, a0, 1 +1: + lb v0, 0(a0) # get byte from string + addu a0, a0, 1 # increment pointer + bne v0, zero, 1b # continue if not end + subu v0, a0, v1 # compute length - 1 for '\0' char + j ra +END(strlen) diff --git a/lib/libc/mips/sys/Makefile.inc b/lib/libc/mips/sys/Makefile.inc new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/lib/libc/mips/sys/Makefile.inc diff --git a/lib/libc/mips/sys/Ovfork.S b/lib/libc/mips/sys/Ovfork.S new file mode 100644 index 0000000..fa95c3a --- /dev/null +++ b/lib/libc/mips/sys/Ovfork.S @@ -0,0 +1,63 @@ +/*- + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 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 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 "SYS.h" + +#if defined(SYSLIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* SYSLIBC_SCCS */ + +/* + * 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(vfork) + .set reorder + li v0, SYS_vfork # system call number for vfork + syscall + beq a3, zero, 1f # jump if no errors + la t9, cerror + jr t9 +1: + beq v1, zero, 2f # parent process ? + move v0, zero # return zero in child +2: + j ra +END(vfork) diff --git a/lib/libc/mips/sys/brk.S b/lib/libc/mips/sys/brk.S new file mode 100644 index 0000000..483be25 --- /dev/null +++ b/lib/libc/mips/sys/brk.S @@ -0,0 +1,81 @@ +/*- + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 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 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 "SYS.h" + +#if defined(SYSLIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* SYSLIBC_SCCS */ + + .globl minbrk + .globl curbrk + + .data +minbrk: .word _C_LABEL(end) + .text + +LEAF(brk) + .set reorder + lw v0, minbrk + bltu a0, v0, 1f + la t9, _brk + jr t9 +1: + move a0, v0 # dont allow break < minbrk + li v0, SYS_break + syscall + bne a3, zero, 2f + sw a0, curbrk + move v0, zero + j ra +2: + la t9, _C_LABEL(cerror) + jr t9 +END(brk) + +LEAF(_brk) + .set reorder + li v0, SYS_break + syscall + bne a3, zero, 1f + sw a0, curbrk + move v0, zero + j ra +1: + la t9, _C_LABEL(cerror) + jr t9 +END(brk) diff --git a/lib/libc/mips/sys/cerror.S b/lib/libc/mips/sys/cerror.S new file mode 100644 index 0000000..8dd3aff --- /dev/null +++ b/lib/libc/mips/sys/cerror.S @@ -0,0 +1,51 @@ +/*- + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 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 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 "SYS.h" + +#if defined(SYSLIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* SYSLIBC_SCCS */ + + .globl _C_LABEL(errno) +LEAF(cerror) + .set noreorder + sw v0, _C_LABEL(errno) + li v0, -1 + j ra + li v1, -1 +END(cerror) diff --git a/lib/libc/mips/sys/exect.S b/lib/libc/mips/sys/exect.S new file mode 100644 index 0000000..581f21f --- /dev/null +++ b/lib/libc/mips/sys/exect.S @@ -0,0 +1,53 @@ +/*- + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 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 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 "SYS.h" + +#if defined(SYSLIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* SYSLIBC_SCCS */ + +LEAF(exect) + .set reorder + li v0, SYS_execve + syscall + bne a3, zero, 1f + j ra +1: + la t9, _C_LABEL(cerror) + jr t9 +END(exect) diff --git a/lib/libc/mips/sys/fork.S b/lib/libc/mips/sys/fork.S new file mode 100644 index 0000000..c454056 --- /dev/null +++ b/lib/libc/mips/sys/fork.S @@ -0,0 +1,56 @@ +/*- + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 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 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 "SYS.h" + +#if defined(SYSLIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* SYSLIBC_SCCS */ + +LEAF(fork) + .set reorder + 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: + j ra +2: + la t9, _C_LABEL(cerror) + jr t9 +END(fork) diff --git a/lib/libc/mips/sys/pipe.S b/lib/libc/mips/sys/pipe.S new file mode 100644 index 0000000..2bed812 --- /dev/null +++ b/lib/libc/mips/sys/pipe.S @@ -0,0 +1,56 @@ +/*- + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 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 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 "SYS.h" + +#if defined(SYSLIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* SYSLIBC_SCCS */ + +LEAF(pipe) + .set reorder + 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 + j ra +1: + la t9, _C_LABEL(cerror) + jr t9 +END(pipe) diff --git a/lib/libc/mips/sys/ptrace.S b/lib/libc/mips/sys/ptrace.S new file mode 100644 index 0000000..fe73ee0 --- /dev/null +++ b/lib/libc/mips/sys/ptrace.S @@ -0,0 +1,54 @@ +/*- + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 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 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 "SYS.h" + +#if defined(SYSLIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* SYSLIBC_SCCS */ + +LEAF(ptrace) + .set reorder + sw zero, _C_LABEL(errno) + li v0, SYS_ptrace + syscall + bne a3, zero, 1f + j ra +1: + la t9, _C_LABEL(cerror) + jr 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..8946be1 --- /dev/null +++ b/lib/libc/mips/sys/sbrk.S @@ -0,0 +1,64 @@ +/*- + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 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 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 "SYS.h" + +#if defined(SYSLIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* SYSLIBC_SCCS */ + + .globl curbrk + + .data +curbrk: .word _C_LABEL(end) + .text + +LEAF(sbrk) + .set reorder + lw v1, curbrk + li v0, SYS_break + addu a0, a0, v1 # compute current break + syscall + + bne a3, zero, 1f + move v0, v1 # return old val of curbrk from above + sw a0, curbrk # save current val of curbrk from above + j ra +1: + la t9, _C_LABEL(cerror) + jr t9 +END(sbrk) diff --git a/lib/libc/mips/sys/setlogin.S b/lib/libc/mips/sys/setlogin.S new file mode 100644 index 0000000..c148c3e --- /dev/null +++ b/lib/libc/mips/sys/setlogin.S @@ -0,0 +1,55 @@ +/*- + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 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 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 "SYS.h" + +#if defined(SYSLIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* SYSLIBC_SCCS */ + +LEAF(setlogin) + .set reorder + li v0, SYS_setlogin # setlogin(name) + syscall + + bne a3, zero, 1f + sw zero, _C_LABEL(__logname_valid) # in getlogin() + j ra +1: + la t9, _C_LABEL(cerror) + jr t9 +END(setlogin) diff --git a/lib/libc/mips/sys/sigpending.S b/lib/libc/mips/sys/sigpending.S new file mode 100644 index 0000000..9982086 --- /dev/null +++ b/lib/libc/mips/sys/sigpending.S @@ -0,0 +1,55 @@ +/*- + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 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 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 "SYS.h" + +#if defined(SYSLIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* SYSLIBC_SCCS */ + +LEAF(sigpending) + .set reorder + li v0, SYS_sigpending # setlogin(name) + syscall + bne a3, zero, 1f + sw v0, 0(a0) + move v0, zero + j ra +1: + la t9, _C_LABEL(cerror) + jr t9 +END(sigpending) diff --git a/lib/libc/mips/sys/sigprocmask.S b/lib/libc/mips/sys/sigprocmask.S new file mode 100644 index 0000000..ee30fd4 --- /dev/null +++ b/lib/libc/mips/sys/sigprocmask.S @@ -0,0 +1,63 @@ +/*- + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 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 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 "SYS.h" + +#if defined(SYSLIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* SYSLIBC_SCCS */ + +LEAF(sigprocmask) # sigprocmask(how, new, old) sigset_t *new, *old; + .set reorder + bne a1, zero, gotptr # if new sigset pointer not null + li a0, 1 # how = SIG_BLOCK + b doit # mask = zero +gotptr: + lw a1, 0(a1) # indirect to new mask arg +doit: + li v0, SYS_sigprocmask + syscall + bne a3, zero, err + beq a2, zero, out # test if old mask requested + sw v0, 0(a2) # store old mask +out: + move v0, zero + j ra +err: + la t9, _C_LABEL(cerror) + jr t9 +END(sigprocmask) diff --git a/lib/libc/mips/sys/sigreturn.S b/lib/libc/mips/sys/sigreturn.S new file mode 100644 index 0000000..4c20042 --- /dev/null +++ b/lib/libc/mips/sys/sigreturn.S @@ -0,0 +1,48 @@ +/*- + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 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 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 "SYS.h" + +#if defined(SYSLIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* SYSLIBC_SCCS */ + +/* + * We must preserve the state of the registers as the user has set them up. + */ + +RSYSCALL(sigreturn) diff --git a/lib/libc/mips/sys/sigsuspend.S b/lib/libc/mips/sys/sigsuspend.S new file mode 100644 index 0000000..2394e2b --- /dev/null +++ b/lib/libc/mips/sys/sigsuspend.S @@ -0,0 +1,55 @@ +/*- + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 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 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 "SYS.h" + +#if defined(SYSLIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* SYSLIBC_SCCS */ + +LEAF(sigsuspend) + .set reorder + lw a0, 0(a0) # indirect to mask arg + li v0, SYS_sigsuspend + syscall + bne a3, zero, 1f + move v0, zero # should not happen + j ra +1: + la t9, _C_LABEL(cerror) + jr t9 +END(sigsuspend) diff --git a/lib/libc/mips/sys/syscall.S b/lib/libc/mips/sys/syscall.S new file mode 100644 index 0000000..d471155 --- /dev/null +++ b/lib/libc/mips/sys/syscall.S @@ -0,0 +1,47 @@ +/*- + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 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 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 "SYS.h" + +#if defined(SYSLIBC_SCCS) + .text + .asciz "$OpenBSD$" +#endif /* SYSLIBC_SCCS */ + +#define SYS_syscall 0 + + +RSYSCALL(syscall) |