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-rw-r--r--arch/powerpc/kernel/asm-offsets.c3
-rw-r--r--arch/powerpc/kernel/entry_64.S13
-rw-r--r--include/asm-powerpc/bug.h27
3 files changed, 32 insertions, 11 deletions
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index e96521530d21..030d300cd71c 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -303,5 +303,8 @@ int main(void)
303 DEFINE(NSEC_PER_SEC, NSEC_PER_SEC); 303 DEFINE(NSEC_PER_SEC, NSEC_PER_SEC);
304 DEFINE(CLOCK_REALTIME_RES, TICK_NSEC); 304 DEFINE(CLOCK_REALTIME_RES, TICK_NSEC);
305 305
306#ifdef CONFIG_BUG
307 DEFINE(BUG_ENTRY_SIZE, sizeof(struct bug_entry));
308#endif
306 return 0; 309 return 0;
307} 310}
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 1a3d4de197d2..2551c0884afc 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -28,6 +28,7 @@
28#include <asm/asm-offsets.h> 28#include <asm/asm-offsets.h>
29#include <asm/cputable.h> 29#include <asm/cputable.h>
30#include <asm/firmware.h> 30#include <asm/firmware.h>
31#include <asm/bug.h>
31 32
32/* 33/*
33 * System calls. 34 * System calls.
@@ -634,19 +635,15 @@ _GLOBAL(enter_rtas)
634 li r0,0 635 li r0,0
635 mtcr r0 636 mtcr r0
636 637
638#ifdef CONFIG_BUG
637 /* There is no way it is acceptable to get here with interrupts enabled, 639 /* There is no way it is acceptable to get here with interrupts enabled,
638 * check it with the asm equivalent of WARN_ON 640 * check it with the asm equivalent of WARN_ON
639 */ 641 */
640 lbz r0,PACASOFTIRQEN(r13) 642 lbz r0,PACASOFTIRQEN(r13)
6411: tdnei r0,0 6431: tdnei r0,0
642.section __bug_table,"a" 644 EMIT_BUG_ENTRY 1b,__FILE__,__LINE__,BUGFLAG_WARNING
643 .llong 1b,__LINE__ + 0x1000000, 1f, 2f 645#endif
644.previous 646
645.section .rodata,"a"
6461: .asciz __FILE__
6472: .asciz "enter_rtas"
648.previous
649
650 /* Hard-disable interrupts */ 647 /* Hard-disable interrupts */
651 mfmsr r6 648 mfmsr r6
652 rldicl r7,r6,48,1 649 rldicl r7,r6,48,1
diff --git a/include/asm-powerpc/bug.h b/include/asm-powerpc/bug.h
index 709568879f73..f6fa39474846 100644
--- a/include/asm-powerpc/bug.h
+++ b/include/asm-powerpc/bug.h
@@ -11,10 +11,31 @@
11#define BUG_OPCODE .long 0x00b00b00 /* For asm */ 11#define BUG_OPCODE .long 0x00b00b00 /* For asm */
12#define BUG_ILLEGAL_INSTR "0x00b00b00" /* For BUG macro */ 12#define BUG_ILLEGAL_INSTR "0x00b00b00" /* For BUG macro */
13 13
14#ifndef __ASSEMBLY__
15
16#ifdef CONFIG_BUG 14#ifdef CONFIG_BUG
17 15
16#ifdef __ASSEMBLY__
17#ifdef CONFIG_DEBUG_BUGVERBOSE
18.macro EMIT_BUG_ENTRY addr,file,line,flags
19 .section __bug_table,"a"
205001: PPC_LONG \addr, 5002f
21 .short \line, \flags
22 .org 5001b+BUG_ENTRY_SIZE
23 .previous
24 .section .rodata,"a"
255002: .asciz "\file"
26 .previous
27.endm
28#else
29 .macro EMIT_BUG_ENTRY addr,file,line,flags
30 .section __bug_table,"a"
315001: PPC_LONG \addr
32 .short \flags
33 .org 5001b+BUG_ENTRY_SIZE
34 .previous
35.endm
36#endif /* verbose */
37
38#else /* !__ASSEMBLY__ */
18/* _EMIT_BUG_ENTRY expects args %0,%1,%2,%3 to be FILE, LINE, flags and 39/* _EMIT_BUG_ENTRY expects args %0,%1,%2,%3 to be FILE, LINE, flags and
19 sizeof(struct bug_entry), respectively */ 40 sizeof(struct bug_entry), respectively */
20#ifdef CONFIG_DEBUG_BUGVERBOSE 41#ifdef CONFIG_DEBUG_BUGVERBOSE
@@ -91,8 +112,8 @@
91#define HAVE_ARCH_BUG 112#define HAVE_ARCH_BUG
92#define HAVE_ARCH_BUG_ON 113#define HAVE_ARCH_BUG_ON
93#define HAVE_ARCH_WARN_ON 114#define HAVE_ARCH_WARN_ON
94#endif /* CONFIG_BUG */
95#endif /* __ASSEMBLY __ */ 115#endif /* __ASSEMBLY __ */
116#endif /* CONFIG_BUG */
96 117
97#include <asm-generic/bug.h> 118#include <asm-generic/bug.h>
98 119