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-rw-r--r--arch/ppc/kernel/Makefile2
-rw-r--r--arch/ppc/kernel/fpu.S133
-rw-r--r--arch/ppc/kernel/head.S84
-rw-r--r--arch/ppc/kernel/head_44x.S14
-rw-r--r--arch/ppc/kernel/head_4xx.S52
-rw-r--r--arch/ppc/kernel/head_8xx.S42
-rw-r--r--arch/ppc/kernel/head_booke.h4
-rw-r--r--arch/ppc/kernel/head_fsl_booke.S24
-rw-r--r--arch/ppc/kernel/ppc_ksyms.c16
-rw-r--r--arch/ppc/kernel/traps.c20
-rw-r--r--arch/ppc/kernel/vector.S217
11 files changed, 130 insertions, 478 deletions
diff --git a/arch/ppc/kernel/Makefile b/arch/ppc/kernel/Makefile
index 467f96480355..da2dc08c4c1b 100644
--- a/arch/ppc/kernel/Makefile
+++ b/arch/ppc/kernel/Makefile
@@ -38,6 +38,8 @@ endif
38 38
39# These are here while we do the architecture merge 39# These are here while we do the architecture merge
40vecemu-y += ../../powerpc/kernel/vecemu.o 40vecemu-y += ../../powerpc/kernel/vecemu.o
41vector-y += ../../powerpc/kernel/vector.o
42fpu-y += ../../powerpc/kernel/fpu.o
41 43
42else 44else
43obj-y := entry.o irq.o idle.o time.o misc.o \ 45obj-y := entry.o irq.o idle.o time.o misc.o \
diff --git a/arch/ppc/kernel/fpu.S b/arch/ppc/kernel/fpu.S
deleted file mode 100644
index 665d7d34304c..000000000000
--- a/arch/ppc/kernel/fpu.S
+++ /dev/null
@@ -1,133 +0,0 @@
1/*
2 * FPU support code, moved here from head.S so that it can be used
3 * by chips which use other head-whatever.S files.
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version
8 * 2 of the License, or (at your option) any later version.
9 *
10 */
11
12#include <linux/config.h>
13#include <asm/processor.h>
14#include <asm/page.h>
15#include <asm/mmu.h>
16#include <asm/pgtable.h>
17#include <asm/cputable.h>
18#include <asm/cache.h>
19#include <asm/thread_info.h>
20#include <asm/ppc_asm.h>
21#include <asm/asm-offsets.h>
22
23/*
24 * This task wants to use the FPU now.
25 * On UP, disable FP for the task which had the FPU previously,
26 * and save its floating-point registers in its thread_struct.
27 * Load up this task's FP registers from its thread_struct,
28 * enable the FPU for the current task and return to the task.
29 */
30 .globl load_up_fpu
31load_up_fpu:
32 mfmsr r5
33 ori r5,r5,MSR_FP
34#ifdef CONFIG_PPC64BRIDGE
35 clrldi r5,r5,1 /* turn off 64-bit mode */
36#endif /* CONFIG_PPC64BRIDGE */
37 SYNC
38 MTMSRD(r5) /* enable use of fpu now */
39 isync
40/*
41 * For SMP, we don't do lazy FPU switching because it just gets too
42 * horrendously complex, especially when a task switches from one CPU
43 * to another. Instead we call giveup_fpu in switch_to.
44 */
45#ifndef CONFIG_SMP
46 tophys(r6,0) /* get __pa constant */
47 addis r3,r6,last_task_used_math@ha
48 lwz r4,last_task_used_math@l(r3)
49 cmpwi 0,r4,0
50 beq 1f
51 add r4,r4,r6
52 addi r4,r4,THREAD /* want last_task_used_math->thread */
53 SAVE_32FPRS(0, r4)
54 mffs fr0
55 stfd fr0,THREAD_FPSCR-4(r4)
56 lwz r5,PT_REGS(r4)
57 add r5,r5,r6
58 lwz r4,_MSR-STACK_FRAME_OVERHEAD(r5)
59 li r10,MSR_FP|MSR_FE0|MSR_FE1
60 andc r4,r4,r10 /* disable FP for previous task */
61 stw r4,_MSR-STACK_FRAME_OVERHEAD(r5)
621:
63#endif /* CONFIG_SMP */
64 /* enable use of FP after return */
65 mfspr r5,SPRN_SPRG3 /* current task's THREAD (phys) */
66 lwz r4,THREAD_FPEXC_MODE(r5)
67 ori r9,r9,MSR_FP /* enable FP for current */
68 or r9,r9,r4
69 lfd fr0,THREAD_FPSCR-4(r5)
70 mtfsf 0xff,fr0
71 REST_32FPRS(0, r5)
72#ifndef CONFIG_SMP
73 subi r4,r5,THREAD
74 sub r4,r4,r6
75 stw r4,last_task_used_math@l(r3)
76#endif /* CONFIG_SMP */
77 /* restore registers and return */
78 /* we haven't used ctr or xer or lr */
79 b fast_exception_return
80
81/*
82 * FP unavailable trap from kernel - print a message, but let
83 * the task use FP in the kernel until it returns to user mode.
84 */
85 .globl KernelFP
86KernelFP:
87 lwz r3,_MSR(r1)
88 ori r3,r3,MSR_FP
89 stw r3,_MSR(r1) /* enable use of FP after return */
90 lis r3,86f@h
91 ori r3,r3,86f@l
92 mr r4,r2 /* current */
93 lwz r5,_NIP(r1)
94 bl printk
95 b ret_from_except
9686: .string "floating point used in kernel (task=%p, pc=%x)\n"
97 .align 4,0
98
99/*
100 * giveup_fpu(tsk)
101 * Disable FP for the task given as the argument,
102 * and save the floating-point registers in its thread_struct.
103 * Enables the FPU for use in the kernel on return.
104 */
105 .globl giveup_fpu
106giveup_fpu:
107 mfmsr r5
108 ori r5,r5,MSR_FP
109 SYNC_601
110 ISYNC_601
111 MTMSRD(r5) /* enable use of fpu now */
112 SYNC_601
113 isync
114 cmpwi 0,r3,0
115 beqlr- /* if no previous owner, done */
116 addi r3,r3,THREAD /* want THREAD of task */
117 lwz r5,PT_REGS(r3)
118 cmpwi 0,r5,0
119 SAVE_32FPRS(0, r3)
120 mffs fr0
121 stfd fr0,THREAD_FPSCR-4(r3)
122 beq 1f
123 lwz r4,_MSR-STACK_FRAME_OVERHEAD(r5)
124 li r3,MSR_FP|MSR_FE0|MSR_FE1
125 andc r4,r4,r3 /* disable FP for previous task */
126 stw r4,_MSR-STACK_FRAME_OVERHEAD(r5)
1271:
128#ifndef CONFIG_SMP
129 li r5,0
130 lis r4,last_task_used_math@ha
131 stw r5,last_task_used_math@l(r4)
132#endif /* CONFIG_SMP */
133 blr
diff --git a/arch/ppc/kernel/head.S b/arch/ppc/kernel/head.S
index 8cdac7385e7f..2c3a1d34e3c7 100644
--- a/arch/ppc/kernel/head.S
+++ b/arch/ppc/kernel/head.S
@@ -349,12 +349,12 @@ i##n: \
349 349
350/* System reset */ 350/* System reset */
351/* core99 pmac starts the seconary here by changing the vector, and 351/* core99 pmac starts the seconary here by changing the vector, and
352 putting it back to what it was (UnknownException) when done. */ 352 putting it back to what it was (unknown_exception) when done. */
353#if defined(CONFIG_GEMINI) && defined(CONFIG_SMP) 353#if defined(CONFIG_GEMINI) && defined(CONFIG_SMP)
354 . = 0x100 354 . = 0x100
355 b __secondary_start_gemini 355 b __secondary_start_gemini
356#else 356#else
357 EXCEPTION(0x100, Reset, UnknownException, EXC_XFER_STD) 357 EXCEPTION(0x100, Reset, unknown_exception, EXC_XFER_STD)
358#endif 358#endif
359 359
360/* Machine check */ 360/* Machine check */
@@ -389,7 +389,7 @@ i##n: \
389 cmpwi cr1,r4,0 389 cmpwi cr1,r4,0
390 bne cr1,1f 390 bne cr1,1f
391#endif 391#endif
392 EXC_XFER_STD(0x200, MachineCheckException) 392 EXC_XFER_STD(0x200, machine_check_exception)
393#ifdef CONFIG_PPC_CHRP 393#ifdef CONFIG_PPC_CHRP
3941: b machine_check_in_rtas 3941: b machine_check_in_rtas
395#endif 395#endif
@@ -456,10 +456,10 @@ Alignment:
456 mfspr r5,SPRN_DSISR 456 mfspr r5,SPRN_DSISR
457 stw r5,_DSISR(r11) 457 stw r5,_DSISR(r11)
458 addi r3,r1,STACK_FRAME_OVERHEAD 458 addi r3,r1,STACK_FRAME_OVERHEAD
459 EXC_XFER_EE(0x600, AlignmentException) 459 EXC_XFER_EE(0x600, alignment_exception)
460 460
461/* Program check exception */ 461/* Program check exception */
462 EXCEPTION(0x700, ProgramCheck, ProgramCheckException, EXC_XFER_STD) 462 EXCEPTION(0x700, ProgramCheck, program_check_exception, EXC_XFER_STD)
463 463
464/* Floating-point unavailable */ 464/* Floating-point unavailable */
465 . = 0x800 465 . = 0x800
@@ -472,8 +472,8 @@ FPUnavailable:
472/* Decrementer */ 472/* Decrementer */
473 EXCEPTION(0x900, Decrementer, timer_interrupt, EXC_XFER_LITE) 473 EXCEPTION(0x900, Decrementer, timer_interrupt, EXC_XFER_LITE)
474 474
475 EXCEPTION(0xa00, Trap_0a, UnknownException, EXC_XFER_EE) 475 EXCEPTION(0xa00, Trap_0a, unknown_exception, EXC_XFER_EE)
476 EXCEPTION(0xb00, Trap_0b, UnknownException, EXC_XFER_EE) 476 EXCEPTION(0xb00, Trap_0b, unknown_exception, EXC_XFER_EE)
477 477
478/* System call */ 478/* System call */
479 . = 0xc00 479 . = 0xc00
@@ -482,8 +482,8 @@ SystemCall:
482 EXC_XFER_EE_LITE(0xc00, DoSyscall) 482 EXC_XFER_EE_LITE(0xc00, DoSyscall)
483 483
484/* Single step - not used on 601 */ 484/* Single step - not used on 601 */
485 EXCEPTION(0xd00, SingleStep, SingleStepException, EXC_XFER_STD) 485 EXCEPTION(0xd00, SingleStep, single_step_exception, EXC_XFER_STD)
486 EXCEPTION(0xe00, Trap_0e, UnknownException, EXC_XFER_EE) 486 EXCEPTION(0xe00, Trap_0e, unknown_exception, EXC_XFER_EE)
487 487
488/* 488/*
489 * The Altivec unavailable trap is at 0x0f20. Foo. 489 * The Altivec unavailable trap is at 0x0f20. Foo.
@@ -502,7 +502,7 @@ SystemCall:
502Trap_0f: 502Trap_0f:
503 EXCEPTION_PROLOG 503 EXCEPTION_PROLOG
504 addi r3,r1,STACK_FRAME_OVERHEAD 504 addi r3,r1,STACK_FRAME_OVERHEAD
505 EXC_XFER_EE(0xf00, UnknownException) 505 EXC_XFER_EE(0xf00, unknown_exception)
506 506
507/* 507/*
508 * Handle TLB miss for instruction on 603/603e. 508 * Handle TLB miss for instruction on 603/603e.
@@ -702,44 +702,44 @@ DataStoreTLBMiss:
702 rfi 702 rfi
703 703
704#ifndef CONFIG_ALTIVEC 704#ifndef CONFIG_ALTIVEC
705#define AltivecAssistException UnknownException 705#define altivec_assist_exception unknown_exception
706#endif 706#endif
707 707
708 EXCEPTION(0x1300, Trap_13, InstructionBreakpoint, EXC_XFER_EE) 708 EXCEPTION(0x1300, Trap_13, instruction_breakpoint_exception, EXC_XFER_EE)
709 EXCEPTION(0x1400, SMI, SMIException, EXC_XFER_EE) 709 EXCEPTION(0x1400, SMI, SMIException, EXC_XFER_EE)
710 EXCEPTION(0x1500, Trap_15, UnknownException, EXC_XFER_EE) 710 EXCEPTION(0x1500, Trap_15, unknown_exception, EXC_XFER_EE)
711#ifdef CONFIG_POWER4 711#ifdef CONFIG_POWER4
712 EXCEPTION(0x1600, Trap_16, UnknownException, EXC_XFER_EE) 712 EXCEPTION(0x1600, Trap_16, unknown_exception, EXC_XFER_EE)
713 EXCEPTION(0x1700, Trap_17, AltivecAssistException, EXC_XFER_EE) 713 EXCEPTION(0x1700, Trap_17, altivec_assist_exception, EXC_XFER_EE)
714 EXCEPTION(0x1800, Trap_18, TAUException, EXC_XFER_STD) 714 EXCEPTION(0x1800, Trap_18, TAUException, EXC_XFER_STD)
715#else /* !CONFIG_POWER4 */ 715#else /* !CONFIG_POWER4 */
716 EXCEPTION(0x1600, Trap_16, AltivecAssistException, EXC_XFER_EE) 716 EXCEPTION(0x1600, Trap_16, altivec_assist_exception, EXC_XFER_EE)
717 EXCEPTION(0x1700, Trap_17, TAUException, EXC_XFER_STD) 717 EXCEPTION(0x1700, Trap_17, TAUException, EXC_XFER_STD)
718 EXCEPTION(0x1800, Trap_18, UnknownException, EXC_XFER_EE) 718 EXCEPTION(0x1800, Trap_18, unknown_exception, EXC_XFER_EE)
719#endif /* CONFIG_POWER4 */ 719#endif /* CONFIG_POWER4 */
720 EXCEPTION(0x1900, Trap_19, UnknownException, EXC_XFER_EE) 720 EXCEPTION(0x1900, Trap_19, unknown_exception, EXC_XFER_EE)
721 EXCEPTION(0x1a00, Trap_1a, UnknownException, EXC_XFER_EE) 721 EXCEPTION(0x1a00, Trap_1a, unknown_exception, EXC_XFER_EE)
722 EXCEPTION(0x1b00, Trap_1b, UnknownException, EXC_XFER_EE) 722 EXCEPTION(0x1b00, Trap_1b, unknown_exception, EXC_XFER_EE)
723 EXCEPTION(0x1c00, Trap_1c, UnknownException, EXC_XFER_EE) 723 EXCEPTION(0x1c00, Trap_1c, unknown_exception, EXC_XFER_EE)
724 EXCEPTION(0x1d00, Trap_1d, UnknownException, EXC_XFER_EE) 724 EXCEPTION(0x1d00, Trap_1d, unknown_exception, EXC_XFER_EE)
725 EXCEPTION(0x1e00, Trap_1e, UnknownException, EXC_XFER_EE) 725 EXCEPTION(0x1e00, Trap_1e, unknown_exception, EXC_XFER_EE)
726 EXCEPTION(0x1f00, Trap_1f, UnknownException, EXC_XFER_EE) 726 EXCEPTION(0x1f00, Trap_1f, unknown_exception, EXC_XFER_EE)
727 EXCEPTION(0x2000, RunMode, RunModeException, EXC_XFER_EE) 727 EXCEPTION(0x2000, RunMode, RunModeException, EXC_XFER_EE)
728 EXCEPTION(0x2100, Trap_21, UnknownException, EXC_XFER_EE) 728 EXCEPTION(0x2100, Trap_21, unknown_exception, EXC_XFER_EE)
729 EXCEPTION(0x2200, Trap_22, UnknownException, EXC_XFER_EE) 729 EXCEPTION(0x2200, Trap_22, unknown_exception, EXC_XFER_EE)
730 EXCEPTION(0x2300, Trap_23, UnknownException, EXC_XFER_EE) 730 EXCEPTION(0x2300, Trap_23, unknown_exception, EXC_XFER_EE)
731 EXCEPTION(0x2400, Trap_24, UnknownException, EXC_XFER_EE) 731 EXCEPTION(0x2400, Trap_24, unknown_exception, EXC_XFER_EE)
732 EXCEPTION(0x2500, Trap_25, UnknownException, EXC_XFER_EE) 732 EXCEPTION(0x2500, Trap_25, unknown_exception, EXC_XFER_EE)
733 EXCEPTION(0x2600, Trap_26, UnknownException, EXC_XFER_EE) 733 EXCEPTION(0x2600, Trap_26, unknown_exception, EXC_XFER_EE)
734 EXCEPTION(0x2700, Trap_27, UnknownException, EXC_XFER_EE) 734 EXCEPTION(0x2700, Trap_27, unknown_exception, EXC_XFER_EE)
735 EXCEPTION(0x2800, Trap_28, UnknownException, EXC_XFER_EE) 735 EXCEPTION(0x2800, Trap_28, unknown_exception, EXC_XFER_EE)
736 EXCEPTION(0x2900, Trap_29, UnknownException, EXC_XFER_EE) 736 EXCEPTION(0x2900, Trap_29, unknown_exception, EXC_XFER_EE)
737 EXCEPTION(0x2a00, Trap_2a, UnknownException, EXC_XFER_EE) 737 EXCEPTION(0x2a00, Trap_2a, unknown_exception, EXC_XFER_EE)
738 EXCEPTION(0x2b00, Trap_2b, UnknownException, EXC_XFER_EE) 738 EXCEPTION(0x2b00, Trap_2b, unknown_exception, EXC_XFER_EE)
739 EXCEPTION(0x2c00, Trap_2c, UnknownException, EXC_XFER_EE) 739 EXCEPTION(0x2c00, Trap_2c, unknown_exception, EXC_XFER_EE)
740 EXCEPTION(0x2d00, Trap_2d, UnknownException, EXC_XFER_EE) 740 EXCEPTION(0x2d00, Trap_2d, unknown_exception, EXC_XFER_EE)
741 EXCEPTION(0x2e00, Trap_2e, UnknownException, EXC_XFER_EE) 741 EXCEPTION(0x2e00, Trap_2e, unknown_exception, EXC_XFER_EE)
742 EXCEPTION(0x2f00, MOLTrampoline, UnknownException, EXC_XFER_EE_LITE) 742 EXCEPTION(0x2f00, MOLTrampoline, unknown_exception, EXC_XFER_EE_LITE)
743 743
744 .globl mol_trampoline 744 .globl mol_trampoline
745 .set mol_trampoline, i0x2f00 745 .set mol_trampoline, i0x2f00
@@ -751,7 +751,7 @@ AltiVecUnavailable:
751#ifdef CONFIG_ALTIVEC 751#ifdef CONFIG_ALTIVEC
752 bne load_up_altivec /* if from user, just load it up */ 752 bne load_up_altivec /* if from user, just load it up */
753#endif /* CONFIG_ALTIVEC */ 753#endif /* CONFIG_ALTIVEC */
754 EXC_XFER_EE_LITE(0xf20, AltivecUnavailException) 754 EXC_XFER_EE_LITE(0xf20, altivec_unavailable_exception)
755 755
756#ifdef CONFIG_PPC64BRIDGE 756#ifdef CONFIG_PPC64BRIDGE
757DataAccess: 757DataAccess:
@@ -767,12 +767,12 @@ DataSegment:
767 addi r3,r1,STACK_FRAME_OVERHEAD 767 addi r3,r1,STACK_FRAME_OVERHEAD
768 mfspr r4,SPRN_DAR 768 mfspr r4,SPRN_DAR
769 stw r4,_DAR(r11) 769 stw r4,_DAR(r11)
770 EXC_XFER_STD(0x380, UnknownException) 770 EXC_XFER_STD(0x380, unknown_exception)
771 771
772InstructionSegment: 772InstructionSegment:
773 EXCEPTION_PROLOG 773 EXCEPTION_PROLOG
774 addi r3,r1,STACK_FRAME_OVERHEAD 774 addi r3,r1,STACK_FRAME_OVERHEAD
775 EXC_XFER_STD(0x480, UnknownException) 775 EXC_XFER_STD(0x480, unknown_exception)
776#endif /* CONFIG_PPC64BRIDGE */ 776#endif /* CONFIG_PPC64BRIDGE */
777 777
778#ifdef CONFIG_ALTIVEC 778#ifdef CONFIG_ALTIVEC
diff --git a/arch/ppc/kernel/head_44x.S b/arch/ppc/kernel/head_44x.S
index 599245b0407e..b1b9dc08abca 100644
--- a/arch/ppc/kernel/head_44x.S
+++ b/arch/ppc/kernel/head_44x.S
@@ -309,13 +309,13 @@ skpinv: addi r4,r4,1 /* Increment */
309 309
310interrupt_base: 310interrupt_base:
311 /* Critical Input Interrupt */ 311 /* Critical Input Interrupt */
312 CRITICAL_EXCEPTION(0x0100, CriticalInput, UnknownException) 312 CRITICAL_EXCEPTION(0x0100, CriticalInput, unknown_exception)
313 313
314 /* Machine Check Interrupt */ 314 /* Machine Check Interrupt */
315#ifdef CONFIG_440A 315#ifdef CONFIG_440A
316 MCHECK_EXCEPTION(0x0200, MachineCheck, MachineCheckException) 316 MCHECK_EXCEPTION(0x0200, MachineCheck, machine_check_exception)
317#else 317#else
318 CRITICAL_EXCEPTION(0x0200, MachineCheck, MachineCheckException) 318 CRITICAL_EXCEPTION(0x0200, MachineCheck, machine_check_exception)
319#endif 319#endif
320 320
321 /* Data Storage Interrupt */ 321 /* Data Storage Interrupt */
@@ -442,7 +442,7 @@ interrupt_base:
442#ifdef CONFIG_PPC_FPU 442#ifdef CONFIG_PPC_FPU
443 FP_UNAVAILABLE_EXCEPTION 443 FP_UNAVAILABLE_EXCEPTION
444#else 444#else
445 EXCEPTION(0x2010, FloatingPointUnavailable, UnknownException, EXC_XFER_EE) 445 EXCEPTION(0x2010, FloatingPointUnavailable, unknown_exception, EXC_XFER_EE)
446#endif 446#endif
447 447
448 /* System Call Interrupt */ 448 /* System Call Interrupt */
@@ -451,21 +451,21 @@ interrupt_base:
451 EXC_XFER_EE_LITE(0x0c00, DoSyscall) 451 EXC_XFER_EE_LITE(0x0c00, DoSyscall)
452 452
453 /* Auxillary Processor Unavailable Interrupt */ 453 /* Auxillary Processor Unavailable Interrupt */
454 EXCEPTION(0x2020, AuxillaryProcessorUnavailable, UnknownException, EXC_XFER_EE) 454 EXCEPTION(0x2020, AuxillaryProcessorUnavailable, unknown_exception, EXC_XFER_EE)
455 455
456 /* Decrementer Interrupt */ 456 /* Decrementer Interrupt */
457 DECREMENTER_EXCEPTION 457 DECREMENTER_EXCEPTION
458 458
459 /* Fixed Internal Timer Interrupt */ 459 /* Fixed Internal Timer Interrupt */
460 /* TODO: Add FIT support */ 460 /* TODO: Add FIT support */
461 EXCEPTION(0x1010, FixedIntervalTimer, UnknownException, EXC_XFER_EE) 461 EXCEPTION(0x1010, FixedIntervalTimer, unknown_exception, EXC_XFER_EE)
462 462
463 /* Watchdog Timer Interrupt */ 463 /* Watchdog Timer Interrupt */
464 /* TODO: Add watchdog support */ 464 /* TODO: Add watchdog support */
465#ifdef CONFIG_BOOKE_WDT 465#ifdef CONFIG_BOOKE_WDT
466 CRITICAL_EXCEPTION(0x1020, WatchdogTimer, WatchdogException) 466 CRITICAL_EXCEPTION(0x1020, WatchdogTimer, WatchdogException)
467#else 467#else
468 CRITICAL_EXCEPTION(0x1020, WatchdogTimer, UnknownException) 468 CRITICAL_EXCEPTION(0x1020, WatchdogTimer, unknown_exception)
469#endif 469#endif
470 470
471 /* Data TLB Error Interrupt */ 471 /* Data TLB Error Interrupt */
diff --git a/arch/ppc/kernel/head_4xx.S b/arch/ppc/kernel/head_4xx.S
index 8562b807b37c..5772ce97e24e 100644
--- a/arch/ppc/kernel/head_4xx.S
+++ b/arch/ppc/kernel/head_4xx.S
@@ -245,12 +245,12 @@ label:
245/* 245/*
246 * 0x0100 - Critical Interrupt Exception 246 * 0x0100 - Critical Interrupt Exception
247 */ 247 */
248 CRITICAL_EXCEPTION(0x0100, CriticalInterrupt, UnknownException) 248 CRITICAL_EXCEPTION(0x0100, CriticalInterrupt, unknown_exception)
249 249
250/* 250/*
251 * 0x0200 - Machine Check Exception 251 * 0x0200 - Machine Check Exception
252 */ 252 */
253 CRITICAL_EXCEPTION(0x0200, MachineCheck, MachineCheckException) 253 CRITICAL_EXCEPTION(0x0200, MachineCheck, machine_check_exception)
254 254
255/* 255/*
256 * 0x0300 - Data Storage Exception 256 * 0x0300 - Data Storage Exception
@@ -405,7 +405,7 @@ label:
405 mfspr r4,SPRN_DEAR /* Grab the DEAR and save it */ 405 mfspr r4,SPRN_DEAR /* Grab the DEAR and save it */
406 stw r4,_DEAR(r11) 406 stw r4,_DEAR(r11)
407 addi r3,r1,STACK_FRAME_OVERHEAD 407 addi r3,r1,STACK_FRAME_OVERHEAD
408 EXC_XFER_EE(0x600, AlignmentException) 408 EXC_XFER_EE(0x600, alignment_exception)
409 409
410/* 0x0700 - Program Exception */ 410/* 0x0700 - Program Exception */
411 START_EXCEPTION(0x0700, ProgramCheck) 411 START_EXCEPTION(0x0700, ProgramCheck)
@@ -413,21 +413,21 @@ label:
413 mfspr r4,SPRN_ESR /* Grab the ESR and save it */ 413 mfspr r4,SPRN_ESR /* Grab the ESR and save it */
414 stw r4,_ESR(r11) 414 stw r4,_ESR(r11)
415 addi r3,r1,STACK_FRAME_OVERHEAD 415 addi r3,r1,STACK_FRAME_OVERHEAD
416 EXC_XFER_STD(0x700, ProgramCheckException) 416 EXC_XFER_STD(0x700, program_check_exception)
417 417
418 EXCEPTION(0x0800, Trap_08, UnknownException, EXC_XFER_EE) 418 EXCEPTION(0x0800, Trap_08, unknown_exception, EXC_XFER_EE)
419 EXCEPTION(0x0900, Trap_09, UnknownException, EXC_XFER_EE) 419 EXCEPTION(0x0900, Trap_09, unknown_exception, EXC_XFER_EE)
420 EXCEPTION(0x0A00, Trap_0A, UnknownException, EXC_XFER_EE) 420 EXCEPTION(0x0A00, Trap_0A, unknown_exception, EXC_XFER_EE)
421 EXCEPTION(0x0B00, Trap_0B, UnknownException, EXC_XFER_EE) 421 EXCEPTION(0x0B00, Trap_0B, unknown_exception, EXC_XFER_EE)
422 422
423/* 0x0C00 - System Call Exception */ 423/* 0x0C00 - System Call Exception */
424 START_EXCEPTION(0x0C00, SystemCall) 424 START_EXCEPTION(0x0C00, SystemCall)
425 NORMAL_EXCEPTION_PROLOG 425 NORMAL_EXCEPTION_PROLOG
426 EXC_XFER_EE_LITE(0xc00, DoSyscall) 426 EXC_XFER_EE_LITE(0xc00, DoSyscall)
427 427
428 EXCEPTION(0x0D00, Trap_0D, UnknownException, EXC_XFER_EE) 428 EXCEPTION(0x0D00, Trap_0D, unknown_exception, EXC_XFER_EE)
429 EXCEPTION(0x0E00, Trap_0E, UnknownException, EXC_XFER_EE) 429 EXCEPTION(0x0E00, Trap_0E, unknown_exception, EXC_XFER_EE)
430 EXCEPTION(0x0F00, Trap_0F, UnknownException, EXC_XFER_EE) 430 EXCEPTION(0x0F00, Trap_0F, unknown_exception, EXC_XFER_EE)
431 431
432/* 0x1000 - Programmable Interval Timer (PIT) Exception */ 432/* 0x1000 - Programmable Interval Timer (PIT) Exception */
433 START_EXCEPTION(0x1000, Decrementer) 433 START_EXCEPTION(0x1000, Decrementer)
@@ -444,14 +444,14 @@ label:
444 444
445/* 0x1010 - Fixed Interval Timer (FIT) Exception 445/* 0x1010 - Fixed Interval Timer (FIT) Exception
446*/ 446*/
447 STND_EXCEPTION(0x1010, FITException, UnknownException) 447 STND_EXCEPTION(0x1010, FITException, unknown_exception)
448 448
449/* 0x1020 - Watchdog Timer (WDT) Exception 449/* 0x1020 - Watchdog Timer (WDT) Exception
450*/ 450*/
451#ifdef CONFIG_BOOKE_WDT 451#ifdef CONFIG_BOOKE_WDT
452 CRITICAL_EXCEPTION(0x1020, WDTException, WatchdogException) 452 CRITICAL_EXCEPTION(0x1020, WDTException, WatchdogException)
453#else 453#else
454 CRITICAL_EXCEPTION(0x1020, WDTException, UnknownException) 454 CRITICAL_EXCEPTION(0x1020, WDTException, unknown_exception)
455#endif 455#endif
456#endif 456#endif
457 457
@@ -656,25 +656,25 @@ label:
656 mfspr r10, SPRN_SPRG0 656 mfspr r10, SPRN_SPRG0
657 b InstructionAccess 657 b InstructionAccess
658 658
659 EXCEPTION(0x1300, Trap_13, UnknownException, EXC_XFER_EE) 659 EXCEPTION(0x1300, Trap_13, unknown_exception, EXC_XFER_EE)
660 EXCEPTION(0x1400, Trap_14, UnknownException, EXC_XFER_EE) 660 EXCEPTION(0x1400, Trap_14, unknown_exception, EXC_XFER_EE)
661 EXCEPTION(0x1500, Trap_15, UnknownException, EXC_XFER_EE) 661 EXCEPTION(0x1500, Trap_15, unknown_exception, EXC_XFER_EE)
662 EXCEPTION(0x1600, Trap_16, UnknownException, EXC_XFER_EE) 662 EXCEPTION(0x1600, Trap_16, unknown_exception, EXC_XFER_EE)
663#ifdef CONFIG_IBM405_ERR51 663#ifdef CONFIG_IBM405_ERR51
664 /* 405GP errata 51 */ 664 /* 405GP errata 51 */
665 START_EXCEPTION(0x1700, Trap_17) 665 START_EXCEPTION(0x1700, Trap_17)
666 b DTLBMiss 666 b DTLBMiss
667#else 667#else
668 EXCEPTION(0x1700, Trap_17, UnknownException, EXC_XFER_EE) 668 EXCEPTION(0x1700, Trap_17, unknown_exception, EXC_XFER_EE)
669#endif 669#endif
670 EXCEPTION(0x1800, Trap_18, UnknownException, EXC_XFER_EE) 670 EXCEPTION(0x1800, Trap_18, unknown_exception, EXC_XFER_EE)
671 EXCEPTION(0x1900, Trap_19, UnknownException, EXC_XFER_EE) 671 EXCEPTION(0x1900, Trap_19, unknown_exception, EXC_XFER_EE)
672 EXCEPTION(0x1A00, Trap_1A, UnknownException, EXC_XFER_EE) 672 EXCEPTION(0x1A00, Trap_1A, unknown_exception, EXC_XFER_EE)
673 EXCEPTION(0x1B00, Trap_1B, UnknownException, EXC_XFER_EE) 673 EXCEPTION(0x1B00, Trap_1B, unknown_exception, EXC_XFER_EE)
674 EXCEPTION(0x1C00, Trap_1C, UnknownException, EXC_XFER_EE) 674 EXCEPTION(0x1C00, Trap_1C, unknown_exception, EXC_XFER_EE)
675 EXCEPTION(0x1D00, Trap_1D, UnknownException, EXC_XFER_EE) 675 EXCEPTION(0x1D00, Trap_1D, unknown_exception, EXC_XFER_EE)
676 EXCEPTION(0x1E00, Trap_1E, UnknownException, EXC_XFER_EE) 676 EXCEPTION(0x1E00, Trap_1E, unknown_exception, EXC_XFER_EE)
677 EXCEPTION(0x1F00, Trap_1F, UnknownException, EXC_XFER_EE) 677 EXCEPTION(0x1F00, Trap_1F, unknown_exception, EXC_XFER_EE)
678 678
679/* Check for a single step debug exception while in an exception 679/* Check for a single step debug exception while in an exception
680 * handler before state has been saved. This is to catch the case 680 * handler before state has been saved. This is to catch the case
diff --git a/arch/ppc/kernel/head_8xx.S b/arch/ppc/kernel/head_8xx.S
index cb1a3a54a026..de0978742221 100644
--- a/arch/ppc/kernel/head_8xx.S
+++ b/arch/ppc/kernel/head_8xx.S
@@ -203,7 +203,7 @@ i##n: \
203 ret_from_except) 203 ret_from_except)
204 204
205/* System reset */ 205/* System reset */
206 EXCEPTION(0x100, Reset, UnknownException, EXC_XFER_STD) 206 EXCEPTION(0x100, Reset, unknown_exception, EXC_XFER_STD)
207 207
208/* Machine check */ 208/* Machine check */
209 . = 0x200 209 . = 0x200
@@ -214,7 +214,7 @@ MachineCheck:
214 mfspr r5,SPRN_DSISR 214 mfspr r5,SPRN_DSISR
215 stw r5,_DSISR(r11) 215 stw r5,_DSISR(r11)
216 addi r3,r1,STACK_FRAME_OVERHEAD 216 addi r3,r1,STACK_FRAME_OVERHEAD
217 EXC_XFER_STD(0x200, MachineCheckException) 217 EXC_XFER_STD(0x200, machine_check_exception)
218 218
219/* Data access exception. 219/* Data access exception.
220 * This is "never generated" by the MPC8xx. We jump to it for other 220 * This is "never generated" by the MPC8xx. We jump to it for other
@@ -252,20 +252,20 @@ Alignment:
252 mfspr r5,SPRN_DSISR 252 mfspr r5,SPRN_DSISR
253 stw r5,_DSISR(r11) 253 stw r5,_DSISR(r11)
254 addi r3,r1,STACK_FRAME_OVERHEAD 254 addi r3,r1,STACK_FRAME_OVERHEAD
255 EXC_XFER_EE(0x600, AlignmentException) 255 EXC_XFER_EE(0x600, alignment_exception)
256 256
257/* Program check exception */ 257/* Program check exception */
258 EXCEPTION(0x700, ProgramCheck, ProgramCheckException, EXC_XFER_STD) 258 EXCEPTION(0x700, ProgramCheck, program_check_exception, EXC_XFER_STD)
259 259
260/* No FPU on MPC8xx. This exception is not supposed to happen. 260/* No FPU on MPC8xx. This exception is not supposed to happen.
261*/ 261*/
262 EXCEPTION(0x800, FPUnavailable, UnknownException, EXC_XFER_STD) 262 EXCEPTION(0x800, FPUnavailable, unknown_exception, EXC_XFER_STD)
263 263
264/* Decrementer */ 264/* Decrementer */
265 EXCEPTION(0x900, Decrementer, timer_interrupt, EXC_XFER_LITE) 265 EXCEPTION(0x900, Decrementer, timer_interrupt, EXC_XFER_LITE)
266 266
267 EXCEPTION(0xa00, Trap_0a, UnknownException, EXC_XFER_EE) 267 EXCEPTION(0xa00, Trap_0a, unknown_exception, EXC_XFER_EE)
268 EXCEPTION(0xb00, Trap_0b, UnknownException, EXC_XFER_EE) 268 EXCEPTION(0xb00, Trap_0b, unknown_exception, EXC_XFER_EE)
269 269
270/* System call */ 270/* System call */
271 . = 0xc00 271 . = 0xc00
@@ -274,9 +274,9 @@ SystemCall:
274 EXC_XFER_EE_LITE(0xc00, DoSyscall) 274 EXC_XFER_EE_LITE(0xc00, DoSyscall)
275 275
276/* Single step - not used on 601 */ 276/* Single step - not used on 601 */
277 EXCEPTION(0xd00, SingleStep, SingleStepException, EXC_XFER_STD) 277 EXCEPTION(0xd00, SingleStep, single_step_exception, EXC_XFER_STD)
278 EXCEPTION(0xe00, Trap_0e, UnknownException, EXC_XFER_EE) 278 EXCEPTION(0xe00, Trap_0e, unknown_exception, EXC_XFER_EE)
279 EXCEPTION(0xf00, Trap_0f, UnknownException, EXC_XFER_EE) 279 EXCEPTION(0xf00, Trap_0f, unknown_exception, EXC_XFER_EE)
280 280
281/* On the MPC8xx, this is a software emulation interrupt. It occurs 281/* On the MPC8xx, this is a software emulation interrupt. It occurs
282 * for all unimplemented and illegal instructions. 282 * for all unimplemented and illegal instructions.
@@ -540,22 +540,22 @@ DataTLBError:
540#endif 540#endif
541 b DataAccess 541 b DataAccess
542 542
543 EXCEPTION(0x1500, Trap_15, UnknownException, EXC_XFER_EE) 543 EXCEPTION(0x1500, Trap_15, unknown_exception, EXC_XFER_EE)
544 EXCEPTION(0x1600, Trap_16, UnknownException, EXC_XFER_EE) 544 EXCEPTION(0x1600, Trap_16, unknown_exception, EXC_XFER_EE)
545 EXCEPTION(0x1700, Trap_17, UnknownException, EXC_XFER_EE) 545 EXCEPTION(0x1700, Trap_17, unknown_exception, EXC_XFER_EE)
546 EXCEPTION(0x1800, Trap_18, UnknownException, EXC_XFER_EE) 546 EXCEPTION(0x1800, Trap_18, unknown_exception, EXC_XFER_EE)
547 EXCEPTION(0x1900, Trap_19, UnknownException, EXC_XFER_EE) 547 EXCEPTION(0x1900, Trap_19, unknown_exception, EXC_XFER_EE)
548 EXCEPTION(0x1a00, Trap_1a, UnknownException, EXC_XFER_EE) 548 EXCEPTION(0x1a00, Trap_1a, unknown_exception, EXC_XFER_EE)
549 EXCEPTION(0x1b00, Trap_1b, UnknownException, EXC_XFER_EE) 549 EXCEPTION(0x1b00, Trap_1b, unknown_exception, EXC_XFER_EE)
550 550
551/* On the MPC8xx, these next four traps are used for development 551/* On the MPC8xx, these next four traps are used for development
552 * support of breakpoints and such. Someday I will get around to 552 * support of breakpoints and such. Someday I will get around to
553 * using them. 553 * using them.
554 */ 554 */
555 EXCEPTION(0x1c00, Trap_1c, UnknownException, EXC_XFER_EE) 555 EXCEPTION(0x1c00, Trap_1c, unknown_exception, EXC_XFER_EE)
556 EXCEPTION(0x1d00, Trap_1d, UnknownException, EXC_XFER_EE) 556 EXCEPTION(0x1d00, Trap_1d, unknown_exception, EXC_XFER_EE)
557 EXCEPTION(0x1e00, Trap_1e, UnknownException, EXC_XFER_EE) 557 EXCEPTION(0x1e00, Trap_1e, unknown_exception, EXC_XFER_EE)
558 EXCEPTION(0x1f00, Trap_1f, UnknownException, EXC_XFER_EE) 558 EXCEPTION(0x1f00, Trap_1f, unknown_exception, EXC_XFER_EE)
559 559
560 . = 0x2000 560 . = 0x2000
561 561
diff --git a/arch/ppc/kernel/head_booke.h b/arch/ppc/kernel/head_booke.h
index 9342acf12e72..aeb349b47af3 100644
--- a/arch/ppc/kernel/head_booke.h
+++ b/arch/ppc/kernel/head_booke.h
@@ -335,7 +335,7 @@ label:
335 mfspr r4,SPRN_DEAR; /* Grab the DEAR and save it */ \ 335 mfspr r4,SPRN_DEAR; /* Grab the DEAR and save it */ \
336 stw r4,_DEAR(r11); \ 336 stw r4,_DEAR(r11); \
337 addi r3,r1,STACK_FRAME_OVERHEAD; \ 337 addi r3,r1,STACK_FRAME_OVERHEAD; \
338 EXC_XFER_EE(0x0600, AlignmentException) 338 EXC_XFER_EE(0x0600, alignment_exception)
339 339
340#define PROGRAM_EXCEPTION \ 340#define PROGRAM_EXCEPTION \
341 START_EXCEPTION(Program) \ 341 START_EXCEPTION(Program) \
@@ -343,7 +343,7 @@ label:
343 mfspr r4,SPRN_ESR; /* Grab the ESR and save it */ \ 343 mfspr r4,SPRN_ESR; /* Grab the ESR and save it */ \
344 stw r4,_ESR(r11); \ 344 stw r4,_ESR(r11); \
345 addi r3,r1,STACK_FRAME_OVERHEAD; \ 345 addi r3,r1,STACK_FRAME_OVERHEAD; \
346 EXC_XFER_STD(0x0700, ProgramCheckException) 346 EXC_XFER_STD(0x0700, program_check_exception)
347 347
348#define DECREMENTER_EXCEPTION \ 348#define DECREMENTER_EXCEPTION \
349 START_EXCEPTION(Decrementer) \ 349 START_EXCEPTION(Decrementer) \
diff --git a/arch/ppc/kernel/head_fsl_booke.S b/arch/ppc/kernel/head_fsl_booke.S
index eba5a5f8ff08..53949811efda 100644
--- a/arch/ppc/kernel/head_fsl_booke.S
+++ b/arch/ppc/kernel/head_fsl_booke.S
@@ -426,14 +426,14 @@ skpinv: addi r6,r6,1 /* Increment */
426 426
427interrupt_base: 427interrupt_base:
428 /* Critical Input Interrupt */ 428 /* Critical Input Interrupt */
429 CRITICAL_EXCEPTION(0x0100, CriticalInput, UnknownException) 429 CRITICAL_EXCEPTION(0x0100, CriticalInput, unknown_exception)
430 430
431 /* Machine Check Interrupt */ 431 /* Machine Check Interrupt */
432#ifdef CONFIG_E200 432#ifdef CONFIG_E200
433 /* no RFMCI, MCSRRs on E200 */ 433 /* no RFMCI, MCSRRs on E200 */
434 CRITICAL_EXCEPTION(0x0200, MachineCheck, MachineCheckException) 434 CRITICAL_EXCEPTION(0x0200, MachineCheck, machine_check_exception)
435#else 435#else
436 MCHECK_EXCEPTION(0x0200, MachineCheck, MachineCheckException) 436 MCHECK_EXCEPTION(0x0200, MachineCheck, machine_check_exception)
437#endif 437#endif
438 438
439 /* Data Storage Interrupt */ 439 /* Data Storage Interrupt */
@@ -542,9 +542,9 @@ interrupt_base:
542#else 542#else
543#ifdef CONFIG_E200 543#ifdef CONFIG_E200
544 /* E200 treats 'normal' floating point instructions as FP Unavail exception */ 544 /* E200 treats 'normal' floating point instructions as FP Unavail exception */
545 EXCEPTION(0x0800, FloatingPointUnavailable, ProgramCheckException, EXC_XFER_EE) 545 EXCEPTION(0x0800, FloatingPointUnavailable, program_check_exception, EXC_XFER_EE)
546#else 546#else
547 EXCEPTION(0x0800, FloatingPointUnavailable, UnknownException, EXC_XFER_EE) 547 EXCEPTION(0x0800, FloatingPointUnavailable, unknown_exception, EXC_XFER_EE)
548#endif 548#endif
549#endif 549#endif
550 550
@@ -554,20 +554,20 @@ interrupt_base:
554 EXC_XFER_EE_LITE(0x0c00, DoSyscall) 554 EXC_XFER_EE_LITE(0x0c00, DoSyscall)
555 555
556 /* Auxillary Processor Unavailable Interrupt */ 556 /* Auxillary Processor Unavailable Interrupt */
557 EXCEPTION(0x2900, AuxillaryProcessorUnavailable, UnknownException, EXC_XFER_EE) 557 EXCEPTION(0x2900, AuxillaryProcessorUnavailable, unknown_exception, EXC_XFER_EE)
558 558
559 /* Decrementer Interrupt */ 559 /* Decrementer Interrupt */
560 DECREMENTER_EXCEPTION 560 DECREMENTER_EXCEPTION
561 561
562 /* Fixed Internal Timer Interrupt */ 562 /* Fixed Internal Timer Interrupt */
563 /* TODO: Add FIT support */ 563 /* TODO: Add FIT support */
564 EXCEPTION(0x3100, FixedIntervalTimer, UnknownException, EXC_XFER_EE) 564 EXCEPTION(0x3100, FixedIntervalTimer, unknown_exception, EXC_XFER_EE)
565 565
566 /* Watchdog Timer Interrupt */ 566 /* Watchdog Timer Interrupt */
567#ifdef CONFIG_BOOKE_WDT 567#ifdef CONFIG_BOOKE_WDT
568 CRITICAL_EXCEPTION(0x3200, WatchdogTimer, WatchdogException) 568 CRITICAL_EXCEPTION(0x3200, WatchdogTimer, WatchdogException)
569#else 569#else
570 CRITICAL_EXCEPTION(0x3200, WatchdogTimer, UnknownException) 570 CRITICAL_EXCEPTION(0x3200, WatchdogTimer, unknown_exception)
571#endif 571#endif
572 572
573 /* Data TLB Error Interrupt */ 573 /* Data TLB Error Interrupt */
@@ -696,21 +696,21 @@ interrupt_base:
696 addi r3,r1,STACK_FRAME_OVERHEAD 696 addi r3,r1,STACK_FRAME_OVERHEAD
697 EXC_XFER_EE_LITE(0x2010, KernelSPE) 697 EXC_XFER_EE_LITE(0x2010, KernelSPE)
698#else 698#else
699 EXCEPTION(0x2020, SPEUnavailable, UnknownException, EXC_XFER_EE) 699 EXCEPTION(0x2020, SPEUnavailable, unknown_exception, EXC_XFER_EE)
700#endif /* CONFIG_SPE */ 700#endif /* CONFIG_SPE */
701 701
702 /* SPE Floating Point Data */ 702 /* SPE Floating Point Data */
703#ifdef CONFIG_SPE 703#ifdef CONFIG_SPE
704 EXCEPTION(0x2030, SPEFloatingPointData, SPEFloatingPointException, EXC_XFER_EE); 704 EXCEPTION(0x2030, SPEFloatingPointData, SPEFloatingPointException, EXC_XFER_EE);
705#else 705#else
706 EXCEPTION(0x2040, SPEFloatingPointData, UnknownException, EXC_XFER_EE) 706 EXCEPTION(0x2040, SPEFloatingPointData, unknown_exception, EXC_XFER_EE)
707#endif /* CONFIG_SPE */ 707#endif /* CONFIG_SPE */
708 708
709 /* SPE Floating Point Round */ 709 /* SPE Floating Point Round */
710 EXCEPTION(0x2050, SPEFloatingPointRound, UnknownException, EXC_XFER_EE) 710 EXCEPTION(0x2050, SPEFloatingPointRound, unknown_exception, EXC_XFER_EE)
711 711
712 /* Performance Monitor */ 712 /* Performance Monitor */
713 EXCEPTION(0x2060, PerformanceMonitor, PerformanceMonitorException, EXC_XFER_STD) 713 EXCEPTION(0x2060, PerformanceMonitor, performance_monitor_exception, EXC_XFER_STD)
714 714
715 715
716 /* Debug Interrupt */ 716 /* Debug Interrupt */
diff --git a/arch/ppc/kernel/ppc_ksyms.c b/arch/ppc/kernel/ppc_ksyms.c
index 1545621d44d2..7872c6c45732 100644
--- a/arch/ppc/kernel/ppc_ksyms.c
+++ b/arch/ppc/kernel/ppc_ksyms.c
@@ -53,10 +53,10 @@
53 53
54extern void transfer_to_handler(void); 54extern void transfer_to_handler(void);
55extern void do_IRQ(struct pt_regs *regs); 55extern void do_IRQ(struct pt_regs *regs);
56extern void MachineCheckException(struct pt_regs *regs); 56extern void machine_check_exception(struct pt_regs *regs);
57extern void AlignmentException(struct pt_regs *regs); 57extern void alignment_exception(struct pt_regs *regs);
58extern void ProgramCheckException(struct pt_regs *regs); 58extern void program_check_exception(struct pt_regs *regs);
59extern void SingleStepException(struct pt_regs *regs); 59extern void single_step_exception(struct pt_regs *regs);
60extern int do_signal(sigset_t *, struct pt_regs *); 60extern int do_signal(sigset_t *, struct pt_regs *);
61extern int pmac_newworld; 61extern int pmac_newworld;
62extern int sys_sigreturn(struct pt_regs *regs); 62extern int sys_sigreturn(struct pt_regs *regs);
@@ -72,10 +72,10 @@ EXPORT_SYMBOL(clear_user_page);
72EXPORT_SYMBOL(do_signal); 72EXPORT_SYMBOL(do_signal);
73EXPORT_SYMBOL(transfer_to_handler); 73EXPORT_SYMBOL(transfer_to_handler);
74EXPORT_SYMBOL(do_IRQ); 74EXPORT_SYMBOL(do_IRQ);
75EXPORT_SYMBOL(MachineCheckException); 75EXPORT_SYMBOL(machine_check_exception);
76EXPORT_SYMBOL(AlignmentException); 76EXPORT_SYMBOL(alignment_exception);
77EXPORT_SYMBOL(ProgramCheckException); 77EXPORT_SYMBOL(program_check_exception);
78EXPORT_SYMBOL(SingleStepException); 78EXPORT_SYMBOL(single_step_exception);
79EXPORT_SYMBOL(sys_sigreturn); 79EXPORT_SYMBOL(sys_sigreturn);
80EXPORT_SYMBOL(ppc_n_lost_interrupts); 80EXPORT_SYMBOL(ppc_n_lost_interrupts);
81EXPORT_SYMBOL(ppc_lost_interrupts); 81EXPORT_SYMBOL(ppc_lost_interrupts);
diff --git a/arch/ppc/kernel/traps.c b/arch/ppc/kernel/traps.c
index 82e4d70e6dbb..26606aa33de6 100644
--- a/arch/ppc/kernel/traps.c
+++ b/arch/ppc/kernel/traps.c
@@ -74,7 +74,7 @@ void (*debugger_fault_handler)(struct pt_regs *regs);
74 74
75DEFINE_SPINLOCK(die_lock); 75DEFINE_SPINLOCK(die_lock);
76 76
77void die(const char * str, struct pt_regs * fp, long err) 77int die(const char * str, struct pt_regs * fp, long err)
78{ 78{
79 static int die_counter; 79 static int die_counter;
80 int nl = 0; 80 int nl = 0;
@@ -232,7 +232,7 @@ platform_machine_check(struct pt_regs *regs)
232{ 232{
233} 233}
234 234
235void MachineCheckException(struct pt_regs *regs) 235void machine_check_exception(struct pt_regs *regs)
236{ 236{
237 unsigned long reason = get_mc_reason(regs); 237 unsigned long reason = get_mc_reason(regs);
238 238
@@ -393,14 +393,14 @@ void SMIException(struct pt_regs *regs)
393#endif 393#endif
394} 394}
395 395
396void UnknownException(struct pt_regs *regs) 396void unknown_exception(struct pt_regs *regs)
397{ 397{
398 printk("Bad trap at PC: %lx, MSR: %lx, vector=%lx %s\n", 398 printk("Bad trap at PC: %lx, MSR: %lx, vector=%lx %s\n",
399 regs->nip, regs->msr, regs->trap, print_tainted()); 399 regs->nip, regs->msr, regs->trap, print_tainted());
400 _exception(SIGTRAP, regs, 0, 0); 400 _exception(SIGTRAP, regs, 0, 0);
401} 401}
402 402
403void InstructionBreakpoint(struct pt_regs *regs) 403void instruction_breakpoint_exception(struct pt_regs *regs)
404{ 404{
405 if (debugger_iabr_match(regs)) 405 if (debugger_iabr_match(regs))
406 return; 406 return;
@@ -622,7 +622,7 @@ int check_bug_trap(struct pt_regs *regs)
622 return 0; 622 return 0;
623} 623}
624 624
625void ProgramCheckException(struct pt_regs *regs) 625void program_check_exception(struct pt_regs *regs)
626{ 626{
627 unsigned int reason = get_reason(regs); 627 unsigned int reason = get_reason(regs);
628 extern int do_mathemu(struct pt_regs *regs); 628 extern int do_mathemu(struct pt_regs *regs);
@@ -701,7 +701,7 @@ void ProgramCheckException(struct pt_regs *regs)
701 _exception(SIGILL, regs, ILL_ILLOPC, regs->nip); 701 _exception(SIGILL, regs, ILL_ILLOPC, regs->nip);
702} 702}
703 703
704void SingleStepException(struct pt_regs *regs) 704void single_step_exception(struct pt_regs *regs)
705{ 705{
706 regs->msr &= ~(MSR_SE | MSR_BE); /* Turn off 'trace' bits */ 706 regs->msr &= ~(MSR_SE | MSR_BE); /* Turn off 'trace' bits */
707 if (debugger_sstep(regs)) 707 if (debugger_sstep(regs))
@@ -709,7 +709,7 @@ void SingleStepException(struct pt_regs *regs)
709 _exception(SIGTRAP, regs, TRAP_TRACE, 0); 709 _exception(SIGTRAP, regs, TRAP_TRACE, 0);
710} 710}
711 711
712void AlignmentException(struct pt_regs *regs) 712void alignment_exception(struct pt_regs *regs)
713{ 713{
714 int fixed; 714 int fixed;
715 715
@@ -814,7 +814,7 @@ void TAUException(struct pt_regs *regs)
814} 814}
815#endif /* CONFIG_INT_TAU */ 815#endif /* CONFIG_INT_TAU */
816 816
817void AltivecUnavailException(struct pt_regs *regs) 817void altivec_unavailable_exception(struct pt_regs *regs)
818{ 818{
819 static int kernel_altivec_count; 819 static int kernel_altivec_count;
820 820
@@ -835,7 +835,7 @@ void AltivecUnavailException(struct pt_regs *regs)
835} 835}
836 836
837#ifdef CONFIG_ALTIVEC 837#ifdef CONFIG_ALTIVEC
838void AltivecAssistException(struct pt_regs *regs) 838void altivec_assist_exception(struct pt_regs *regs)
839{ 839{
840 int err; 840 int err;
841 841
@@ -872,7 +872,7 @@ void AltivecAssistException(struct pt_regs *regs)
872#endif /* CONFIG_ALTIVEC */ 872#endif /* CONFIG_ALTIVEC */
873 873
874#ifdef CONFIG_E500 874#ifdef CONFIG_E500
875void PerformanceMonitorException(struct pt_regs *regs) 875void performance_monitor_exception(struct pt_regs *regs)
876{ 876{
877 perf_irq(regs); 877 perf_irq(regs);
878} 878}
diff --git a/arch/ppc/kernel/vector.S b/arch/ppc/kernel/vector.S
deleted file mode 100644
index 82a21346bf80..000000000000
--- a/arch/ppc/kernel/vector.S
+++ /dev/null
@@ -1,217 +0,0 @@
1#include <asm/ppc_asm.h>
2#include <asm/processor.h>
3
4/*
5 * The routines below are in assembler so we can closely control the
6 * usage of floating-point registers. These routines must be called
7 * with preempt disabled.
8 */
9 .data
10fpzero:
11 .long 0
12fpone:
13 .long 0x3f800000 /* 1.0 in single-precision FP */
14fphalf:
15 .long 0x3f000000 /* 0.5 in single-precision FP */
16
17 .text
18/*
19 * Internal routine to enable floating point and set FPSCR to 0.
20 * Don't call it from C; it doesn't use the normal calling convention.
21 */
22fpenable:
23 mfmsr r10
24 ori r11,r10,MSR_FP
25 mtmsr r11
26 isync
27 stfd fr0,24(r1)
28 stfd fr1,16(r1)
29 stfd fr31,8(r1)
30 lis r11,fpzero@ha
31 mffs fr31
32 lfs fr1,fpzero@l(r11)
33 mtfsf 0xff,fr1
34 blr
35
36fpdisable:
37 mtfsf 0xff,fr31
38 lfd fr31,8(r1)
39 lfd fr1,16(r1)
40 lfd fr0,24(r1)
41 mtmsr r10
42 isync
43 blr
44
45/*
46 * Vector add, floating point.
47 */
48 .globl vaddfp
49vaddfp:
50 stwu r1,-32(r1)
51 mflr r0
52 stw r0,36(r1)
53 bl fpenable
54 li r0,4
55 mtctr r0
56 li r6,0
571: lfsx fr0,r4,r6
58 lfsx fr1,r5,r6
59 fadds fr0,fr0,fr1
60 stfsx fr0,r3,r6
61 addi r6,r6,4
62 bdnz 1b
63 bl fpdisable
64 lwz r0,36(r1)
65 mtlr r0
66 addi r1,r1,32
67 blr
68
69/*
70 * Vector subtract, floating point.
71 */
72 .globl vsubfp
73vsubfp:
74 stwu r1,-32(r1)
75 mflr r0
76 stw r0,36(r1)
77 bl fpenable
78 li r0,4
79 mtctr r0
80 li r6,0
811: lfsx fr0,r4,r6
82 lfsx fr1,r5,r6
83 fsubs fr0,fr0,fr1
84 stfsx fr0,r3,r6
85 addi r6,r6,4
86 bdnz 1b
87 bl fpdisable
88 lwz r0,36(r1)
89 mtlr r0
90 addi r1,r1,32
91 blr
92
93/*
94 * Vector multiply and add, floating point.
95 */
96 .globl vmaddfp
97vmaddfp:
98 stwu r1,-48(r1)
99 mflr r0
100 stw r0,52(r1)
101 bl fpenable
102 stfd fr2,32(r1)
103 li r0,4
104 mtctr r0
105 li r7,0
1061: lfsx fr0,r4,r7
107 lfsx fr1,r5,r7
108 lfsx fr2,r6,r7
109 fmadds fr0,fr0,fr2,fr1
110 stfsx fr0,r3,r7
111 addi r7,r7,4
112 bdnz 1b
113 lfd fr2,32(r1)
114 bl fpdisable
115 lwz r0,52(r1)
116 mtlr r0
117 addi r1,r1,48
118 blr
119
120/*
121 * Vector negative multiply and subtract, floating point.
122 */
123 .globl vnmsubfp
124vnmsubfp:
125 stwu r1,-48(r1)
126 mflr r0
127 stw r0,52(r1)
128 bl fpenable
129 stfd fr2,32(r1)
130 li r0,4
131 mtctr r0
132 li r7,0
1331: lfsx fr0,r4,r7
134 lfsx fr1,r5,r7
135 lfsx fr2,r6,r7
136 fnmsubs fr0,fr0,fr2,fr1
137 stfsx fr0,r3,r7
138 addi r7,r7,4
139 bdnz 1b
140 lfd fr2,32(r1)
141 bl fpdisable
142 lwz r0,52(r1)
143 mtlr r0
144 addi r1,r1,48
145 blr
146
147/*
148 * Vector reciprocal estimate. We just compute 1.0/x.
149 * r3 -> destination, r4 -> source.
150 */
151 .globl vrefp
152vrefp:
153 stwu r1,-32(r1)
154 mflr r0
155 stw r0,36(r1)
156 bl fpenable
157 lis r9,fpone@ha
158 li r0,4
159 lfs fr1,fpone@l(r9)
160 mtctr r0
161 li r6,0
1621: lfsx fr0,r4,r6
163 fdivs fr0,fr1,fr0
164 stfsx fr0,r3,r6
165 addi r6,r6,4
166 bdnz 1b
167 bl fpdisable
168 lwz r0,36(r1)
169 mtlr r0
170 addi r1,r1,32
171 blr
172
173/*
174 * Vector reciprocal square-root estimate, floating point.
175 * We use the frsqrte instruction for the initial estimate followed
176 * by 2 iterations of Newton-Raphson to get sufficient accuracy.
177 * r3 -> destination, r4 -> source.
178 */
179 .globl vrsqrtefp
180vrsqrtefp:
181 stwu r1,-48(r1)
182 mflr r0
183 stw r0,52(r1)
184 bl fpenable
185 stfd fr2,32(r1)
186 stfd fr3,40(r1)
187 stfd fr4,48(r1)
188 stfd fr5,56(r1)
189 lis r9,fpone@ha
190 lis r8,fphalf@ha
191 li r0,4
192 lfs fr4,fpone@l(r9)
193 lfs fr5,fphalf@l(r8)
194 mtctr r0
195 li r6,0
1961: lfsx fr0,r4,r6
197 frsqrte fr1,fr0 /* r = frsqrte(s) */
198 fmuls fr3,fr1,fr0 /* r * s */
199 fmuls fr2,fr1,fr5 /* r * 0.5 */
200 fnmsubs fr3,fr1,fr3,fr4 /* 1 - s * r * r */
201 fmadds fr1,fr2,fr3,fr1 /* r = r + 0.5 * r * (1 - s * r * r) */
202 fmuls fr3,fr1,fr0 /* r * s */
203 fmuls fr2,fr1,fr5 /* r * 0.5 */
204 fnmsubs fr3,fr1,fr3,fr4 /* 1 - s * r * r */
205 fmadds fr1,fr2,fr3,fr1 /* r = r + 0.5 * r * (1 - s * r * r) */
206 stfsx fr1,r3,r6
207 addi r6,r6,4
208 bdnz 1b
209 lfd fr5,56(r1)
210 lfd fr4,48(r1)
211 lfd fr3,40(r1)
212 lfd fr2,32(r1)
213 bl fpdisable
214 lwz r0,36(r1)
215 mtlr r0
216 addi r1,r1,32
217 blr
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-18 00:18:50 -0500