summaryrefslogtreecommitdiffstats
path: root/arch/sparc64/solaris/entry64.S
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sparc64/solaris/entry64.S')
-rw-r--r--arch/sparc64/solaris/entry64.S223
1 files changed, 0 insertions, 223 deletions
diff --git a/arch/sparc64/solaris/entry64.S b/arch/sparc64/solaris/entry64.S
deleted file mode 100644
index f170324..0000000
--- a/arch/sparc64/solaris/entry64.S
+++ /dev/null
@@ -1,223 +0,0 @@
-/* $Id: entry64.S,v 1.7 2002/02/09 19:49:31 davem Exp $
- * entry64.S: Solaris syscall emulation entry point.
- *
- * Copyright (C) 1996,1997,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
- * Copyright (C) 1995,1997 David S. Miller (davem@caip.rutgers.edu)
- * Copyright (C) 1996 Miguel de Icaza (miguel@nuclecu.unam.mx)
- */
-
-#include <linux/errno.h>
-
-#include <asm/head.h>
-#include <asm/asi.h>
-#include <asm/smp.h>
-#include <asm/ptrace.h>
-#include <asm/page.h>
-#include <asm/signal.h>
-#include <asm/pgtable.h>
-#include <asm/processor.h>
-#include <asm/thread_info.h>
-
-#include "conv.h"
-
-#define NR_SYSCALLS 256
-
- .text
-solaris_syscall_trace:
- add %sp, PTREGS_OFF, %o0
- call syscall_trace
- mov 0, %o1
- srl %i0, 0, %o0
- mov %i4, %o4
- srl %i1, 0, %o1
- mov %i5, %o5
- andcc %l3, 1, %g0
- be,pt %icc, 2f
- srl %i2, 0, %o2
- b,pt %xcc, 2f
- add %sp, PTREGS_OFF, %o0
-
-solaris_sucks:
-/* Solaris is a big system which needs to be able to do all the things
- * in Inf+1 different ways */
- add %i6, 0x5c, %o0
- mov %i0, %g1
- mov %i1, %i0
- mov %i2, %i1
- srl %o0, 0, %o0
- mov %i3, %i2
- movrz %g1, 256, %g1 /* Ensure we don't loop forever */
- mov %i4, %i3
- mov %i5, %i4
- ba,pt %xcc, solaris_sparc_syscall
-exen: lduwa [%o0] ASI_S, %i5
-
-exenf: ba,pt %xcc, solaris_sparc_syscall
- clr %i5
-
-/* For shared binaries, binfmt_elf32 already sets up personality
- and exec_domain. This is to handle static binaries as well */
-solaris_reg:
- call solaris_register
- nop
- ba,pt %xcc, 1f
- mov %i4, %o4
-
-linux_syscall_for_solaris:
- sethi %hi(sys_call_table32), %l6
- or %l6, %lo(sys_call_table32), %l6
- sll %l3, 2, %l4
- ba,pt %xcc, 10f
- lduw [%l6 + %l4], %l3
-
- /* Solaris system calls enter here... */
- .align 32
- .globl solaris_sparc_syscall, entry64_personality_patch
-solaris_sparc_syscall:
-entry64_personality_patch:
- ldub [%g4 + 0x0], %l0
- cmp %g1, 255
- bg,pn %icc, solaris_unimplemented
- srl %g1, 0, %g1
- sethi %hi(solaris_sys_table), %l7
- or %l7, %lo(solaris_sys_table), %l7
- brz,pn %g1, solaris_sucks
- mov %i4, %o4
- sll %g1, 2, %l4
- cmp %l0, 1
- bne,pn %icc, solaris_reg
-1: srl %i0, 0, %o0
- lduw [%l7 + %l4], %l3
- srl %i1, 0, %o1
- ldx [%g6 + TI_FLAGS], %l5
- cmp %l3, NR_SYSCALLS
- bleu,a,pn %xcc, linux_syscall_for_solaris
- nop
- andcc %l3, 1, %g0
- bne,a,pn %icc, 10f
- add %sp, PTREGS_OFF, %o0
-10: srl %i2, 0, %o2
- mov %i5, %o5
- andn %l3, 3, %l7
- andcc %l5, _TIF_SYSCALL_TRACE, %g0
- bne,pn %icc, solaris_syscall_trace
- mov %i0, %l5
-2: call %l7
- srl %i3, 0, %o3
-ret_from_solaris:
- stx %o0, [%sp + PTREGS_OFF + PT_V9_I0]
- ldx [%g6 + TI_FLAGS], %l6
- sra %o0, 0, %o0
- mov %ulo(TSTATE_XCARRY | TSTATE_ICARRY), %g2
- ldx [%sp + PTREGS_OFF + PT_V9_TSTATE], %g3
- cmp %o0, -ERESTART_RESTARTBLOCK
- sllx %g2, 32, %g2
- bgeu,pn %xcc, 1f
- andcc %l6, _TIF_SYSCALL_TRACE, %l6
-
- /* System call success, clear Carry condition code. */
- andn %g3, %g2, %g3
- stx %g3, [%sp + PTREGS_OFF + PT_V9_TSTATE]
- bne,pn %icc, solaris_syscall_trace2
- ldx [%sp + PTREGS_OFF + PT_V9_TNPC], %l1
- andcc %l1, 1, %g0
- bne,pn %icc, 2f
- clr %l6
- add %l1, 0x4, %l2
- stx %l1, [%sp + PTREGS_OFF + PT_V9_TPC] ! pc = npc
- call rtrap
- stx %l2, [%sp + PTREGS_OFF + PT_V9_TNPC] !npc = npc+4
-
- /* When tnpc & 1, this comes from setcontext and we don't want to advance pc */
-2: andn %l1, 3, %l1
- call rtrap
- stx %l1, [%sp + PTREGS_OFF + PT_V9_TNPC] !npc = npc&~3
-
-1:
- /* System call failure, set Carry condition code.
- * Also, get abs(errno) to return to the process.
- */
- sub %g0, %o0, %o0
- or %g3, %g2, %g3
- cmp %o0, ERANGE /* 0-ERANGE are identity mapped */
- bleu,pt %icc, 1f
- cmp %o0, EMEDIUMTYPE
- bgu,pn %icc, 1f
- sethi %hi(solaris_err_table), %l6
- sll %o0, 2, %o0
- or %l6, %lo(solaris_err_table), %l6
- ldsw [%l6 + %o0], %o0
-1: stx %o0, [%sp + PTREGS_OFF + PT_V9_I0]
- mov 1, %l6
- stx %g3, [%sp + PTREGS_OFF + PT_V9_TSTATE]
- bne,pn %icc, solaris_syscall_trace2
- ldx [%sp + PTREGS_OFF + PT_V9_TNPC], %l1
- andcc %l1, 1, %g0
- bne,pn %icc, 2b
- add %l1, 0x4, %l2
- stx %l1, [%sp + PTREGS_OFF + PT_V9_TPC] ! pc = npc
- call rtrap
- stx %l2, [%sp + PTREGS_OFF + PT_V9_TNPC] !npc = npc+4
-
-solaris_syscall_trace2:
- add %sp, PTREGS_OFF, %o0
- call syscall_trace
- mov 1, %o1
- add %l1, 0x4, %l2 /* npc = npc+4 */
- andcc %l1, 1, %g0
- bne,pn %icc, 2b
- nop
- stx %l1, [%sp + PTREGS_OFF + PT_V9_TPC]
- call rtrap
- stx %l2, [%sp + PTREGS_OFF + PT_V9_TNPC]
-
- /* This one is tricky, so that's why we do it in assembly */
- .globl solaris_sigsuspend
-solaris_sigsuspend:
- call do_sol_sigsuspend
- nop
- brlz,pn %o0, ret_from_solaris
- nop
- call sys_sigsuspend
- stx %o0, [%sp + PTREGS_OFF + PT_V9_I0]
- b,pt %xcc, ret_from_solaris
- nop
-
- .globl solaris_getpid
-solaris_getpid:
- call sys_getppid
- nop
- call sys_getpid
- stx %o0, [%sp + PTREGS_OFF + PT_V9_I1]
- b,pt %xcc, ret_from_solaris
- nop
-
- .globl solaris_getuid
-solaris_getuid:
- call sys_geteuid
- nop
- call sys_getuid
- stx %o1, [%sp + PTREGS_OFF + PT_V9_I1]
- b,pt %xcc, ret_from_solaris
- nop
-
- .globl solaris_getgid
-solaris_getgid:
- call sys_getegid
- nop
- call sys_getgid
- stx %o1, [%sp + PTREGS_OFF + PT_V9_I1]
- b,pt %xcc, ret_from_solaris
- nop
-
- .globl solaris_unimplemented
-solaris_unimplemented:
- call do_sol_unimplemented
- add %sp, PTREGS_OFF, %o0
- ba,pt %xcc, ret_from_solaris
- nop
-
- .section __ex_table,"a"
- .align 4
- .word exen, exenf
-
OpenPOWER on IntegriCloud