-/* $Id: entry.S,v 1.170 2001/11/13 00:57:05 davem Exp $
- * arch/sparc/kernel/entry.S: Sparc trap low-level entry points.
+/* arch/sparc/kernel/entry.S: Sparc trap low-level entry points.
*
- * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
+ * Copyright (C) 1995, 2007 David S. Miller (davem@davemloft.net)
* Copyright (C) 1996 Eddie C. Dost (ecd@skynet.be)
* Copyright (C) 1996 Miguel de Icaza (miguel@nuclecu.unam.mx)
* Copyright (C) 1996-1999 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
* Copyright (C) 1997 Anton Blanchard (anton@progsoc.uts.edu.au)
*/
-#include <linux/config.h>
#include <linux/errno.h>
#include <asm/head.h>
#include <asm/asi.h>
#include <asm/smp.h>
-#include <asm/kgdb.h>
#include <asm/contregs.h>
#include <asm/ptrace.h>
-#include <asm/asm_offsets.h>
+#include <asm/asm-offsets.h>
#include <asm/psr.h>
#include <asm/vaddrs.h>
#include <asm/memreg.h>
#include <asm/page.h>
-#ifdef CONFIG_SUN4
-#include <asm/pgtsun4.h>
-#else
+#include <asm/pgtable.h>
#include <asm/pgtsun4c.h>
-#endif
#include <asm/winmacro.h>
#include <asm/signal.h>
#include <asm/obio.h>
#include <asm/mxcc.h>
#include <asm/thread_info.h>
#include <asm/param.h>
+#include <asm/unistd.h>
#include <asm/asmmacro.h>
#define curptr g6
-#define NR_SYSCALLS 284 /* Each OS is different... */
-
/* These are just handy. */
#define _SV save %sp, -STACKFRAME_SZ, %sp
#define _RS restore
_SV; _SV; _SV; _SV; _SV; _SV; _SV; \
_RS; _RS; _RS; _RS; _RS; _RS; _RS;
-/* First, KGDB low level things. This is a rewrite
- * of the routines found in the sparc-stub.c asm() statement
- * from the gdb distribution. This is also dual-purpose
- * as a software trap for userlevel programs.
- */
- .data
- .align 4
-
-in_trap_handler:
- .word 0
-
.text
- .align 4
-
-#if 0 /* kgdb is dropped from 2.5.33 */
-! This function is called when any SPARC trap (except window overflow or
-! underflow) occurs. It makes sure that the invalid register window is still
-! available before jumping into C code. It will also restore the world if you
-! return from handle_exception.
-
- .globl trap_low
-trap_low:
- rd %wim, %l3
- SAVE_ALL
-
- sethi %hi(in_trap_handler), %l4
- ld [%lo(in_trap_handler) + %l4], %l5
- inc %l5
- st %l5, [%lo(in_trap_handler) + %l4]
-
- /* Make sure kgdb sees the same state we just saved. */
- LOAD_PT_GLOBALS(sp)
- LOAD_PT_INS(sp)
- ld [%sp + STACKFRAME_SZ + PT_Y], %l4
- ld [%sp + STACKFRAME_SZ + PT_WIM], %l3
- ld [%sp + STACKFRAME_SZ + PT_PSR], %l0
- ld [%sp + STACKFRAME_SZ + PT_PC], %l1
- ld [%sp + STACKFRAME_SZ + PT_NPC], %l2
- rd %tbr, %l5 /* Never changes... */
-
- /* Make kgdb exception frame. */
- sub %sp,(16+1+6+1+72)*4,%sp ! Make room for input & locals
- ! + hidden arg + arg spill
- ! + doubleword alignment
- ! + registers[72] local var
- SAVE_KGDB_GLOBALS(sp)
- SAVE_KGDB_INS(sp)
- SAVE_KGDB_SREGS(sp, l4, l0, l3, l5, l1, l2)
-
- /* We are increasing PIL, so two writes. */
- or %l0, PSR_PIL, %l0
- wr %l0, 0, %psr
- WRITE_PAUSE
- wr %l0, PSR_ET, %psr
- WRITE_PAUSE
-
- call handle_exception
- add %sp, STACKFRAME_SZ, %o0 ! Pass address of registers
-
- /* Load new kgdb register set. */
- LOAD_KGDB_GLOBALS(sp)
- LOAD_KGDB_INS(sp)
- LOAD_KGDB_SREGS(sp, l4, l0, l3, l5, l1, l2)
- wr %l4, 0x0, %y
-
- sethi %hi(in_trap_handler), %l4
- ld [%lo(in_trap_handler) + %l4], %l5
- dec %l5
- st %l5, [%lo(in_trap_handler) + %l4]
-
- add %sp,(16+1+6+1+72)*4,%sp ! Undo the kgdb trap frame.
-
- /* Now take what kgdb did and place it into the pt_regs
- * frame which SparcLinux RESTORE_ALL understands.,
- */
- STORE_PT_INS(sp)
- STORE_PT_GLOBALS(sp)
- STORE_PT_YREG(sp, g2)
- STORE_PT_PRIV(sp, l0, l1, l2)
- RESTORE_ALL
+#ifdef CONFIG_KGDB
+ .align 4
+ .globl arch_kgdb_breakpoint
+ .type arch_kgdb_breakpoint,#function
+arch_kgdb_breakpoint:
+ ta 0x7d
+ retl
+ nop
+ .size arch_kgdb_breakpoint,.-arch_kgdb_breakpoint
#endif
-#ifdef CONFIG_BLK_DEV_FD
- .text
+#if defined(CONFIG_BLK_DEV_FD) || defined(CONFIG_BLK_DEV_FD_MODULE)
.align 4
.globl floppy_hardint
floppy_hardint:
*/
maybe_smp4m_msg:
GET_PROCESSOR4M_ID(o3)
- set sun4m_interrupts, %l5
- ld [%l5], %o5
+ sethi %hi(sun4m_irq_percpu), %l5
+ sll %o3, 2, %o3
+ or %l5, %lo(sun4m_irq_percpu), %o5
sethi %hi(0x40000000), %o2
- sll %o3, 12, %o3
ld [%o5 + %o3], %o1
- andcc %o1, %o2, %g0
+ ld [%o1 + 0x00], %o3 ! sun4m_irq_percpu[cpu]->pending
+ andcc %o3, %o2, %g0
be,a smp4m_ticker
cmp %l7, 14
- st %o2, [%o5 + 0x4]
+ st %o2, [%o1 + 0x04] ! sun4m_irq_percpu[cpu]->clear=0x40000000
WRITE_PAUSE
- ld [%o5], %g0
+ ld [%o1 + 0x00], %g0 ! sun4m_irq_percpu[cpu]->pending
WRITE_PAUSE
or %l0, PSR_PIL, %l4
wr %l4, 0x0, %psr
SAVE_ALL
sethi %hi(0x80000000), %o2
GET_PROCESSOR4M_ID(o0)
- set sun4m_interrupts, %l5
- ld [%l5], %o5
- sll %o0, 12, %o0
- add %o5, %o0, %o5
- ld [%o5], %o3
+ sethi %hi(sun4m_irq_percpu), %l5
+ or %l5, %lo(sun4m_irq_percpu), %o5
+ sll %o0, 2, %o0
+ ld [%o5 + %o0], %o5
+ ld [%o5 + 0x00], %o3 ! sun4m_irq_percpu[cpu]->pending
andcc %o3, %o2, %g0
be 1f ! Must be an NMI async memory error
- st %o2, [%o5 + 4]
+ st %o2, [%o5 + 0x04] ! sun4m_irq_percpu[cpu]->clear=0x80000000
WRITE_PAUSE
- ld [%o5], %g0
+ ld [%o5 + 0x00], %g0 ! sun4m_irq_percpu[cpu]->pending
WRITE_PAUSE
or %l0, PSR_PIL, %l4
wr %l4, 0x0, %psr
1:
/* NMI async memory error handling. */
sethi %hi(0x80000000), %l4
- sethi %hi(0x4000), %o3
- sub %o5, %o0, %o5
- add %o5, %o3, %l5
- st %l4, [%l5 + 0xc]
+ sethi %hi(sun4m_irq_global), %o5
+ ld [%o5 + %lo(sun4m_irq_global)], %l5
+ st %l4, [%l5 + 0x0c] ! sun4m_irq_global->mask_set=0x80000000
WRITE_PAUSE
- ld [%l5], %g0
+ ld [%l5 + 0x00], %g0 ! sun4m_irq_global->pending
WRITE_PAUSE
or %l0, PSR_PIL, %l4
wr %l4, 0x0, %psr
WRITE_PAUSE
call sun4m_nmi
nop
- st %l4, [%l5 + 0x8]
+ st %l4, [%l5 + 0x08] ! sun4m_irq_global->mask_clear=0x80000000
WRITE_PAUSE
- ld [%l5], %g0
+ ld [%l5 + 0x00], %g0 ! sun4m_irq_global->pending
WRITE_PAUSE
RESTORE_ALL
* Ugly, but we cant use hardware flushing on the sun4 and we'd require
* two instructions (Anton)
*/
-#ifdef CONFIG_SUN4
-vac_hwflush_patch1_on: nop
-#else
vac_hwflush_patch1_on: addcc %l7, -PAGE_SIZE, %l7
-#endif
vac_hwflush_patch2_on: sta %g0, [%l3 + %l7] ASI_HWFLUSHSEG
! %l7 = 1 for textfault
! We want error in %l5, vaddr in %l6
sun4c_fault:
-#ifdef CONFIG_SUN4
- sethi %hi(sun4c_memerr_reg), %l4
- ld [%l4+%lo(sun4c_memerr_reg)], %l4 ! memerr ctrl reg addr
- ld [%l4], %l6 ! memerr ctrl reg
- ld [%l4 + 4], %l5 ! memerr vaddr reg
- andcc %l6, 0x80, %g0 ! check for error type
- st %g0, [%l4 + 4] ! clear the error
- be 0f ! normal error
- sethi %hi(AC_BUS_ERROR), %l4 ! bus err reg addr
-
- call prom_halt ! something weird happened
- ! what exactly did happen?
- ! what should we do here?
-
-0: or %l4, %lo(AC_BUS_ERROR), %l4 ! bus err reg addr
- lduba [%l4] ASI_CONTROL, %l6 ! bus err reg
-
- cmp %l7, 1 ! text fault?
- be 1f ! yes
- nop
-
- ld [%l1], %l4 ! load instruction that caused fault
- srl %l4, 21, %l4
- andcc %l4, 1, %g0 ! store instruction?
-
- be 1f ! no
- sethi %hi(SUN4C_SYNC_BADWRITE), %l4 ! yep
- ! %lo(SUN4C_SYNC_BADWRITE) = 0
- or %l4, %l6, %l6 ! set write bit to emulate sun4c
-1:
-#else
sethi %hi(AC_SYNC_ERR), %l4
add %l4, 0x4, %l6 ! AC_SYNC_VA in %l6
lda [%l6] ASI_CONTROL, %l5 ! Address
lda [%l4] ASI_CONTROL, %l6 ! Error, retained for a bit
-#endif
andn %l5, 0xfff, %l5 ! Encode all info into l7
srl %l6, 14, %l4
or %l4, %lo(swapper_pg_dir), %l4
sll %l6, 2, %l6
ld [%l4 + %l6], %l4
-#ifdef CONFIG_SUN4
- sethi %hi(PAGE_MASK), %l6
- andcc %l4, %l6, %g0
-#else
andcc %l4, PAGE_MASK, %g0
-#endif
be sun4c_fault_fromuser
lduXa [%l5] ASI_SEGMAP, %l4
ld [%l6 + 0x08], %l3 ! tmp = entry->vaddr
! Flush segment from the cache.
-#ifdef CONFIG_SUN4
- sethi %hi((128 * 1024)), %l7
-#else
sethi %hi((64 * 1024)), %l7
-#endif
9:
vac_hwflush_patch1:
vac_linesize_patch:
or %l4, %lo(swapper_pg_dir), %l4
sll %l3, 2, %l3
ld [%l4 + %l3], %l4
-#ifndef CONFIG_SUN4
and %l4, PAGE_MASK, %l4
-#else
- sethi %hi(PAGE_MASK), %l6
- and %l4, %l6, %l4
-#endif
srl %l5, (PAGE_SHIFT - 2), %l6
and %l6, ((SUN4C_PTRS_PER_PTE - 1) << 2), %l6
RESTORE_ALL
-#ifdef CONFIG_SUNOS_EMUL
- /* SunOS uses syscall zero as the 'indirect syscall' it looks
- * like indir_syscall(scall_num, arg0, arg1, arg2...); etc.
- * This is complete brain damage.
- */
- .globl sunos_indir
-sunos_indir:
- mov %o7, %l4
- cmp %o0, NR_SYSCALLS
- blu,a 1f
- sll %o0, 0x2, %o0
-
- sethi %hi(sunos_nosys), %l6
- b 2f
- or %l6, %lo(sunos_nosys), %l6
-
-1:
- set sunos_sys_table, %l7
- ld [%l7 + %o0], %l6
-
-2:
- mov %o1, %o0
- mov %o2, %o1
- mov %o3, %o2
- mov %o4, %o3
- mov %o5, %o4
- call %l6
- mov %l4, %o7
-#endif
-
.align 4
.globl sys_nis_syscall
sys_nis_syscall:
call c_sys_nis_syscall
mov %l5, %o7
- .align 4
- .globl sys_ptrace
-sys_ptrace:
- call do_ptrace
- add %sp, STACKFRAME_SZ, %o0
-
- ld [%curptr + TI_FLAGS], %l5
- andcc %l5, _TIF_SYSCALL_TRACE, %g0
- be 1f
- nop
-
- call syscall_trace
- nop
-
-1:
- RESTORE_ALL
-
.align 4
.globl sys_execve
sys_execve:
call sparc_execve
mov %l5, %o7
+ .globl sunos_execv
+sunos_execv:
+ st %g0, [%sp + STACKFRAME_SZ + PT_I2]
+
+ call sparc_execve
+ add %sp, STACKFRAME_SZ, %o0
+
+ b ret_sys_call
+ ld [%sp + STACKFRAME_SZ + PT_I0], %o0
+
.align 4
.globl sys_pipe
sys_pipe:
mov %l5, %o7
.align 4
- .globl sys_sigpause
-sys_sigpause:
- /* Note: %o0 already has correct value... */
- call do_sigpause
- add %sp, STACKFRAME_SZ, %o1
-
- ld [%curptr + TI_FLAGS], %l5
- andcc %l5, _TIF_SYSCALL_TRACE, %g0
- be 1f
- nop
-
- call syscall_trace
- nop
-
-1:
- /* We are returning to a signal handler. */
- RESTORE_ALL
-
- .align 4
- .globl sys_sigsuspend
-sys_sigsuspend:
- call do_sigsuspend
- add %sp, STACKFRAME_SZ, %o0
-
- ld [%curptr + TI_FLAGS], %l5
- andcc %l5, _TIF_SYSCALL_TRACE, %g0
- be 1f
- nop
-
- call syscall_trace
- nop
-
-1:
- /* We are returning to a signal handler. */
- RESTORE_ALL
-
- .align 4
- .globl sys_rt_sigsuspend
-sys_rt_sigsuspend:
- /* Note: %o0, %o1 already have correct value... */
- call do_rt_sigsuspend
- add %sp, STACKFRAME_SZ, %o2
-
- ld [%curptr + TI_FLAGS], %l5
- andcc %l5, _TIF_SYSCALL_TRACE, %g0
- be 1f
- nop
-
- call syscall_trace
- nop
-
-1:
- /* We are returning to a signal handler. */
- RESTORE_ALL
-
- .align 4
.globl sys_sigreturn
sys_sigreturn:
call do_sigreturn
be 1f
nop
+ add %sp, STACKFRAME_SZ, %o0
call syscall_trace
- nop
+ mov 1, %o1
1:
/* We are returning to a signal handler. */
mov %i3, %o3
linux_syscall_trace:
+ add %sp, STACKFRAME_SZ, %o0
call syscall_trace
- nop
+ mov 0, %o1
+ cmp %o0, 0
+ bne 3f
+ mov -ENOSYS, %o0
mov %i0, %o0
mov %i1, %o1
mov %i2, %o2
b ret_sys_call
ld [%sp + STACKFRAME_SZ + PT_I0], %o0
- /* Linux native and SunOS system calls enter here... */
+ /* Linux native system calls enter here... */
.align 4
.globl linux_sparc_syscall
linux_sparc_syscall:
+ sethi %hi(PSR_SYSCALL), %l4
+ or %l0, %l4, %l0
/* Direct access to user regs, must faster. */
cmp %g1, NR_SYSCALLS
bgeu linux_sparc_ni_syscall
bne linux_fast_syscall
/* Just do first insn from SAVE_ALL in the delay slot */
- .globl syscall_is_too_hard
syscall_is_too_hard:
SAVE_ALL_HEAD
rd %wim, %l3
call %l7
mov %i5, %o5
+3:
st %o0, [%sp + STACKFRAME_SZ + PT_I0]
- .globl ret_sys_call
ret_sys_call:
ld [%curptr + TI_FLAGS], %l6
cmp %o0, -ERESTART_RESTARTBLOCK
st %l2, [%sp + STACKFRAME_SZ + PT_NPC]
linux_syscall_trace2:
+ add %sp, STACKFRAME_SZ, %o0
+ mov 1, %o1
call syscall_trace
add %l1, 0x4, %l2 /* npc = npc+4 */
st %l1, [%sp + STACKFRAME_SZ + PT_PC]
st %l2, [%sp + STACKFRAME_SZ + PT_NPC]
- /*
- * Solaris system calls and indirect system calls enter here.
- *
- * I have named the solaris indirect syscalls like that because
- * it seems like Solaris has some fast path syscalls that can
- * be handled as indirect system calls. - mig
- */
-
-linux_syscall_for_solaris:
- sethi %hi(sys_call_table), %l7
- b linux_sparc_syscall
- or %l7, %lo(sys_call_table), %l7
-
- .align 4
- .globl solaris_syscall
-solaris_syscall:
- cmp %g1,59
- be linux_syscall_for_solaris
- cmp %g1,2
- be linux_syscall_for_solaris
- cmp %g1,42
- be linux_syscall_for_solaris
- cmp %g1,119
- be,a linux_syscall_for_solaris
- mov 2, %g1
-1:
- SAVE_ALL_HEAD
- rd %wim, %l3
-
- wr %l0, PSR_ET, %psr
- nop
- nop
- mov %i0, %l5
-
- call do_solaris_syscall
- add %sp, STACKFRAME_SZ, %o0
-
- st %o0, [%sp + STACKFRAME_SZ + PT_I0]
- set PSR_C, %g2
- cmp %o0, -ERESTART_RESTARTBLOCK
- bgeu 1f
- ld [%sp + STACKFRAME_SZ + PT_PSR], %g3
-
- /* System call success, clear Carry condition code. */
- andn %g3, %g2, %g3
- clr %l6
- b 2f
- st %g3, [%sp + STACKFRAME_SZ + PT_PSR]
-
-1:
- /* System call failure, set Carry condition code.
- * Also, get abs(errno) to return to the process.
- */
- sub %g0, %o0, %o0
- mov 1, %l6
- st %o0, [%sp + STACKFRAME_SZ + PT_I0]
- or %g3, %g2, %g3
- st %g3, [%sp + STACKFRAME_SZ + PT_PSR]
-
- /* Advance the pc and npc over the trap instruction.
- * If the npc is unaligned (has a 1 in the lower byte), it means
- * the kernel does not want us to play magic (ie, skipping over
- * traps). Mainly when the Solaris code wants to set some PC and
- * nPC (setcontext).
- */
-2:
- ld [%sp + STACKFRAME_SZ + PT_NPC], %l1 /* pc = npc */
- andcc %l1, 1, %g0
- bne 1f
- add %l1, 0x4, %l2 /* npc = npc+4 */
- st %l1, [%sp + STACKFRAME_SZ + PT_PC]
- b ret_trap_entry
- st %l2, [%sp + STACKFRAME_SZ + PT_NPC]
-
- /* kernel knows what it is doing, fixup npc and continue */
-1:
- sub %l1, 1, %l1
- b ret_trap_entry
- st %l1, [%sp + STACKFRAME_SZ + PT_NPC]
-
-#ifndef CONFIG_SUNOS_EMUL
- .align 4
- .globl sunos_syscall
-sunos_syscall:
- SAVE_ALL_HEAD
- rd %wim, %l3
- wr %l0, PSR_ET, %psr
- nop
- nop
- mov %i0, %l5
- call do_sunos_syscall
- add %sp, STACKFRAME_SZ, %o0
-#endif
-
- /* {net, open}bsd system calls enter here... */
- .align 4
- .globl bsd_syscall
-bsd_syscall:
- /* Direct access to user regs, must faster. */
- cmp %g1, NR_SYSCALLS
- blu,a 1f
- sll %g1, 2, %l4
-
- set sys_ni_syscall, %l7
- b bsd_is_too_hard
- nop
-
-1:
- ld [%l7 + %l4], %l7
-
- .globl bsd_is_too_hard
-bsd_is_too_hard:
- rd %wim, %l3
- SAVE_ALL
-
- wr %l0, PSR_ET, %psr
- WRITE_PAUSE
-
-2:
- mov %i0, %o0
- mov %i1, %o1
- mov %i2, %o2
- mov %i0, %l5
- mov %i3, %o3
- mov %i4, %o4
- call %l7
- mov %i5, %o5
-
- st %o0, [%sp + STACKFRAME_SZ + PT_I0]
- set PSR_C, %g2
- cmp %o0, -ERESTART_RESTARTBLOCK
- bgeu 1f
- ld [%sp + STACKFRAME_SZ + PT_PSR], %g3
-
- /* System call success, clear Carry condition code. */
- andn %g3, %g2, %g3
- clr %l6
- b 2f
- st %g3, [%sp + STACKFRAME_SZ + PT_PSR]
-
-1:
- /* System call failure, set Carry condition code.
- * Also, get abs(errno) to return to the process.
- */
- sub %g0, %o0, %o0
-#if 0 /* XXX todo XXX */
- sethi %hi(bsd_xlatb_rorl), %o3
- or %o3, %lo(bsd_xlatb_rorl), %o3
- sll %o0, 2, %o0
- ld [%o3 + %o0], %o0
-#endif
- mov 1, %l6
- st %o0, [%sp + STACKFRAME_SZ + PT_I0]
- or %g3, %g2, %g3
- st %g3, [%sp + STACKFRAME_SZ + PT_PSR]
-
- /* Advance the pc and npc over the trap instruction. */
-2:
- ld [%sp + STACKFRAME_SZ + PT_NPC], %l1 /* pc = npc */
- add %l1, 0x4, %l2 /* npc = npc+4 */
- st %l1, [%sp + STACKFRAME_SZ + PT_PC]
- b ret_trap_entry
- st %l2, [%sp + STACKFRAME_SZ + PT_NPC]
-
/* Saving and restoring the FPU state is best done from lowlevel code.
*
* void fpsave(unsigned long *fpregs, unsigned long *fsr,
__ndelay:
save %sp, -STACKFRAME_SZ, %sp
mov %i0, %o0
- call .umul
- mov 0x1ad, %o1 ! 2**32 / (1 000 000 000 / HZ)
+ call .umul ! round multiplier up so large ns ok
+ mov 0x1ae, %o1 ! 2**32 / (1 000 000 000 / HZ)
call .umul
mov %i1, %o1 ! udelay_val
ba delay_continue
__udelay:
save %sp, -STACKFRAME_SZ, %sp
mov %i0, %o0
- sethi %hi(0x10c6), %o1
+ sethi %hi(0x10c7), %o1 ! round multiplier up so large us ok
call .umul
- or %o1, %lo(0x10c6), %o1 ! 2**32 / 1 000 000
+ or %o1, %lo(0x10c7), %o1 ! 2**32 / 1 000 000
call .umul
mov %i1, %o1 ! udelay_val
+ sethi %hi(0x028f4b62), %l0 ! Add in rounding constant * 2**32,
+ or %g0, %lo(0x028f4b62), %l0
+ addcc %o0, %l0, %o0 ! 2**32 * 0.009 999
+ bcs,a 3f
+ add %o1, 0x01, %o1
+3:
call .umul
mov HZ, %o0 ! >>32 earlier for wider range
RESTORE_ALL
+#ifdef CONFIG_KGDB
.align 4
- .globl __handle_exception, flush_patch_exception
-__handle_exception:
+ .globl kgdb_trap_low
+ .type kgdb_trap_low,#function
+kgdb_trap_low:
+ rd %wim,%l3
+ SAVE_ALL
+ wr %l0, PSR_ET, %psr
+ WRITE_PAUSE
+
+ call kgdb_trap
+ add %sp, STACKFRAME_SZ, %o0
+
+ RESTORE_ALL
+ .size kgdb_trap_low,.-kgdb_trap_low
+#endif
+
+ .align 4
+ .globl flush_patch_exception
flush_patch_exception:
FLUSH_ALL_KERNEL_WINDOWS;
ldd [%o0], %o6
#endif /* CONFIG_PCI */
+ .globl flushw_all
+flushw_all:
+ save %sp, -0x40, %sp
+ save %sp, -0x40, %sp
+ save %sp, -0x40, %sp
+ save %sp, -0x40, %sp
+ save %sp, -0x40, %sp
+ save %sp, -0x40, %sp
+ save %sp, -0x40, %sp
+ restore
+ restore
+ restore
+ restore
+ restore
+ restore
+ ret
+ restore
+
/* End of entry.S */