#ifdef SHOW_SYSCALLS
bl do_show_syscall
#endif /* SHOW_SYSCALLS */
- rlwinm r10,r1,0,0,18 /* current_thread_info() */
- lwz r11,TI_LOCAL_FLAGS(r10)
- rlwinm r11,r11,0,~_TIFL_FORCE_NOERROR
- stw r11,TI_LOCAL_FLAGS(r10)
+ rlwinm r10,r1,0,0,(31-THREAD_SHIFT) /* current_thread_info() */
+ li r11,0
+ stb r11,TI_SC_NOERR(r10)
lwz r11,TI_FLAGS(r10)
andi. r11,r11,_TIF_SYSCALL_T_OR_A
bne- syscall_dotrace
mr r6,r3
li r11,-_LAST_ERRNO
cmplw 0,r3,r11
- rlwinm r12,r1,0,0,18 /* current_thread_info() */
+ rlwinm r12,r1,0,0,(31-THREAD_SHIFT) /* current_thread_info() */
blt+ 30f
- lwz r11,TI_LOCAL_FLAGS(r12)
- andi. r11,r11,_TIFL_FORCE_NOERROR
+ lbz r11,TI_SC_NOERR(r12)
+ cmpwi r11,0
bne 30f
neg r3,r3
lwz r10,_CCR(r1) /* Set SO bit in CR */
syscall_dotrace:
SAVE_NVGPRS(r1)
li r0,0xc00
- stw r0,TRAP(r1)
+ stw r0,_TRAP(r1)
addi r3,r1,STACK_FRAME_OVERHEAD
bl do_syscall_trace_enter
lwz r0,GPR0(r1) /* Restore original registers */
ori r10,r10,MSR_EE
SYNC
MTMSRD(r10) /* re-enable interrupts */
- lwz r4,TRAP(r1)
+ lwz r4,_TRAP(r1)
andi. r4,r4,1
beq 4f
SAVE_NVGPRS(r1)
li r4,0xc00
- stw r4,TRAP(r1)
+ stw r4,_TRAP(r1)
4:
addi r3,r1,STACK_FRAME_OVERHEAD
bl do_syscall_trace_leave
LOAD_MSR_KERNEL(r10,MSR_KERNEL) /* doesn't include MSR_EE */
SYNC
MTMSRD(r10) /* disable interrupts again */
- rlwinm r12,r1,0,0,18 /* current_thread_info() */
+ rlwinm r12,r1,0,0,(31-THREAD_SHIFT) /* current_thread_info() */
lwz r9,TI_FLAGS(r12)
5:
andi. r0,r9,_TIF_NEED_RESCHED
.globl ppc_sigsuspend
ppc_sigsuspend:
SAVE_NVGPRS(r1)
- lwz r0,TRAP(r1)
+ lwz r0,_TRAP(r1)
rlwinm r0,r0,0,0,30 /* clear LSB to indicate full */
- stw r0,TRAP(r1) /* register set saved */
+ stw r0,_TRAP(r1) /* register set saved */
b sys_sigsuspend
.globl ppc_rt_sigsuspend
ppc_rt_sigsuspend:
SAVE_NVGPRS(r1)
- lwz r0,TRAP(r1)
+ lwz r0,_TRAP(r1)
rlwinm r0,r0,0,0,30
- stw r0,TRAP(r1)
+ stw r0,_TRAP(r1)
b sys_rt_sigsuspend
.globl ppc_fork
ppc_fork:
SAVE_NVGPRS(r1)
- lwz r0,TRAP(r1)
+ lwz r0,_TRAP(r1)
rlwinm r0,r0,0,0,30 /* clear LSB to indicate full */
- stw r0,TRAP(r1) /* register set saved */
+ stw r0,_TRAP(r1) /* register set saved */
b sys_fork
.globl ppc_vfork
ppc_vfork:
SAVE_NVGPRS(r1)
- lwz r0,TRAP(r1)
+ lwz r0,_TRAP(r1)
rlwinm r0,r0,0,0,30 /* clear LSB to indicate full */
- stw r0,TRAP(r1) /* register set saved */
+ stw r0,_TRAP(r1) /* register set saved */
b sys_vfork
.globl ppc_clone
ppc_clone:
SAVE_NVGPRS(r1)
- lwz r0,TRAP(r1)
+ lwz r0,_TRAP(r1)
rlwinm r0,r0,0,0,30 /* clear LSB to indicate full */
- stw r0,TRAP(r1) /* register set saved */
+ stw r0,_TRAP(r1) /* register set saved */
b sys_clone
.globl ppc_swapcontext
ppc_swapcontext:
SAVE_NVGPRS(r1)
- lwz r0,TRAP(r1)
+ lwz r0,_TRAP(r1)
rlwinm r0,r0,0,0,30 /* clear LSB to indicate full */
- stw r0,TRAP(r1) /* register set saved */
+ stw r0,_TRAP(r1) /* register set saved */
b sys_swapcontext
/*
cmpwi r3,0
beq+ ret_from_except
SAVE_NVGPRS(r1)
- lwz r0,TRAP(r1)
+ lwz r0,_TRAP(r1)
clrrwi r0,r0,1
- stw r0,TRAP(r1)
+ stw r0,_TRAP(r1)
mr r5,r3
addi r3,r1,STACK_FRAME_OVERHEAD
lwz r4,_DAR(r1)
b 2b
END_FTR_SECTION_IFSET(CPU_FTR_601)
li r10,-1
- stw r10,TRAP(r11)
+ stw r10,_TRAP(r11)
addi r3,r1,STACK_FRAME_OVERHEAD
lis r10,MSR_KERNEL@h
ori r10,r10,MSR_KERNEL@l
.globl sigreturn_exit
sigreturn_exit:
subi r1,r3,STACK_FRAME_OVERHEAD
- rlwinm r12,r1,0,0,18 /* current_thread_info() */
+ rlwinm r12,r1,0,0,(31-THREAD_SHIFT) /* current_thread_info() */
lwz r9,TI_FLAGS(r12)
andi. r0,r9,_TIF_SYSCALL_T_OR_A
- bnel- do_syscall_trace_leave
+ beq+ ret_from_except_full
+ bl do_syscall_trace_leave
/* fall through */
.globl ret_from_except_full
user_exc_return: /* r10 contains MSR_KERNEL here */
/* Check current_thread_info()->flags */
- rlwinm r9,r1,0,0,18
+ rlwinm r9,r1,0,0,(31-THREAD_SHIFT)
lwz r9,TI_FLAGS(r9)
andi. r0,r9,(_TIF_SIGPENDING|_TIF_NEED_RESCHED)
bne do_work
/* N.B. the only way to get here is from the beq following ret_from_except. */
resume_kernel:
/* check current_thread_info->preempt_count */
- rlwinm r9,r1,0,0,18
+ rlwinm r9,r1,0,0,(31-THREAD_SHIFT)
lwz r0,TI_PREEMPT(r9)
cmpwi 0,r0,0 /* if non-zero, just restore regs and return */
bne restore
andi. r0,r3,MSR_EE /* interrupts off? */
beq restore /* don't schedule if so */
1: bl preempt_schedule_irq
- rlwinm r9,r1,0,0,18
+ rlwinm r9,r1,0,0,(31-THREAD_SHIFT)
lwz r3,TI_FLAGS(r9)
andi. r0,r3,_TIF_NEED_RESCHED
bne- 1b
LOAD_MSR_KERNEL(r10,MSR_KERNEL)
SYNC
MTMSRD(r10) /* disable interrupts */
- rlwinm r9,r1,0,0,18
+ rlwinm r9,r1,0,0,(31-THREAD_SHIFT)
lwz r9,TI_FLAGS(r9)
andi. r0,r9,_TIF_NEED_RESCHED
bne- do_resched
SYNC
MTMSRD(r10) /* hard-enable interrupts */
/* save r13-r31 in the exception frame, if not already done */
- lwz r3,TRAP(r1)
+ lwz r3,_TRAP(r1)
andi. r0,r3,1
beq 2f
SAVE_NVGPRS(r1)
rlwinm r3,r3,0,0,30
- stw r3,TRAP(r1)
+ stw r3,_TRAP(r1)
2: li r3,0
addi r4,r1,STACK_FRAME_OVERHEAD
bl do_signal
BEGIN_FTR_SECTION
blr
END_FTR_SECTION_IFSET(CPU_FTR_601)
- lwz r3,TRAP(r1)
+ lwz r3,_TRAP(r1)
andi. r0,r3,1
beq 4f
SAVE_NVGPRS(r1)
rlwinm r3,r3,0,0,30
- stw r3,TRAP(r1)
+ stw r3,_TRAP(r1)
4: addi r3,r1,STACK_FRAME_OVERHEAD
bl nonrecoverable_exception
/* shouldn't return */
* here so it's easy to add arch-specific sections later.
* -- Cort
*/
-#ifdef CONFIG_PPC_OF
+#ifdef CONFIG_PPC_RTAS
/*
* On CHRP, the Run-Time Abstraction Services (RTAS) have to be
* called with the MMU off.
stwu r1,-INT_FRAME_SIZE(r1)
mflr r0
stw r0,INT_FRAME_SIZE+4(r1)
- lis r4,rtas_data@ha
- lwz r4,rtas_data@l(r4)
+ LOADADDR(r4, rtas)
lis r6,1f@ha /* physical return address for rtas */
addi r6,r6,1f@l
tophys(r6,r6)
tophys(r7,r1)
- lis r8,rtas_entry@ha
- lwz r8,rtas_entry@l(r8)
+ lwz r8,RTASENTRY(r4)
+ lwz r4,RTASBASE(r4)
mfmsr r9
stw r9,8(r1)
LOAD_MSR_KERNEL(r0,MSR_KERNEL)
MTMSRD(r0) /* don't get trashed */
li r9,MSR_KERNEL & ~(MSR_IR|MSR_DR)
mtlr r6
- CLR_TOP32(r7)
mtspr SPRN_SPRG2,r7
mtspr SPRN_SRR0,r8
mtspr SPRN_SRR1,r9
twi 31,0,0
/* XXX load up BATs and panic */
-#endif /* CONFIG_PPC_OF */
+#endif /* CONFIG_PPC_RTAS */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff