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authorLinus Torvalds <torvalds@linux-foundation.org>2008-12-28 19:54:33 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2008-12-28 19:54:33 -0500
commit3c92ec8ae91ecf59d88c798301833d7cf83f2179 (patch)
tree08a38cd3523c42bd49882f17cd501fd879e7ca1c /arch/powerpc/xmon
parentc4c9f0183b7c4e97836e8fecbb67898b06c47e78 (diff)
parentca9153a3a2a7556d091dfe080e42b0e67881fff6 (diff)
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (144 commits) powerpc/44x: Support 16K/64K base page sizes on 44x powerpc: Force memory size to be a multiple of PAGE_SIZE powerpc/32: Wire up the trampoline code for kdump powerpc/32: Add the ability for a classic ppc kernel to be loaded at 32M powerpc/32: Allow __ioremap on RAM addresses for kdump kernel powerpc/32: Setup OF properties for kdump powerpc/32/kdump: Implement crash_setup_regs() using ppc_save_regs() powerpc: Prepare xmon_save_regs for use with kdump powerpc: Remove default kexec/crash_kernel ops assignments powerpc: Make default kexec/crash_kernel ops implicit powerpc: Setup OF properties for ppc32 kexec powerpc/pseries: Fix cpu hotplug powerpc: Fix KVM build on ppc440 powerpc/cell: add QPACE as a separate Cell platform powerpc/cell: fix build breakage with CONFIG_SPUFS disabled powerpc/mpc5200: fix error paths in PSC UART probe function powerpc/mpc5200: add rts/cts handling in PSC UART driver powerpc/mpc5200: Make PSC UART driver update serial errors counters powerpc/mpc5200: Remove obsolete code from mpc5200 MDIO driver powerpc/mpc5200: Add MDMA/UDMA support to MPC5200 ATA driver ... Fix trivial conflict in drivers/char/Makefile as per Paul's directions
Diffstat (limited to 'arch/powerpc/xmon')
-rw-r--r--arch/powerpc/xmon/Makefile2
-rw-r--r--arch/powerpc/xmon/setjmp.S74
-rw-r--r--arch/powerpc/xmon/xmon.c5
3 files changed, 3 insertions, 78 deletions
diff --git a/arch/powerpc/xmon/Makefile b/arch/powerpc/xmon/Makefile
index 51d97588e762..9cb03b71b9d6 100644
--- a/arch/powerpc/xmon/Makefile
+++ b/arch/powerpc/xmon/Makefile
@@ -4,7 +4,7 @@ ifdef CONFIG_PPC64
4EXTRA_CFLAGS += -mno-minimal-toc 4EXTRA_CFLAGS += -mno-minimal-toc
5endif 5endif
6 6
7obj-y += xmon.o setjmp.o start.o nonstdio.o 7obj-y += xmon.o start.o nonstdio.o
8 8
9ifdef CONFIG_XMON_DISASSEMBLY 9ifdef CONFIG_XMON_DISASSEMBLY
10obj-y += ppc-dis.o ppc-opc.o 10obj-y += ppc-dis.o ppc-opc.o
diff --git a/arch/powerpc/xmon/setjmp.S b/arch/powerpc/xmon/setjmp.S
deleted file mode 100644
index 04c0b305ad4a..000000000000
--- a/arch/powerpc/xmon/setjmp.S
+++ /dev/null
@@ -1,74 +0,0 @@
1/*
2 * Copyright (C) 1996 Paul Mackerras.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version
7 * 2 of the License, or (at your option) any later version.
8 *
9 * NOTE: assert(sizeof(buf) > 23 * sizeof(long))
10 */
11#include <asm/processor.h>
12#include <asm/ppc_asm.h>
13#include <asm/asm-offsets.h>
14
15/*
16 * Grab the register values as they are now.
17 * This won't do a particularily good job because we really
18 * want our caller's caller's registers, and our caller has
19 * already executed its prologue.
20 * ToDo: We could reach back into the caller's save area to do
21 * a better job of representing the caller's state (note that
22 * that will be different for 32-bit and 64-bit, because of the
23 * different ABIs, though).
24 */
25_GLOBAL(xmon_save_regs)
26 PPC_STL r0,0*SZL(r3)
27 PPC_STL r2,2*SZL(r3)
28 PPC_STL r3,3*SZL(r3)
29 PPC_STL r4,4*SZL(r3)
30 PPC_STL r5,5*SZL(r3)
31 PPC_STL r6,6*SZL(r3)
32 PPC_STL r7,7*SZL(r3)
33 PPC_STL r8,8*SZL(r3)
34 PPC_STL r9,9*SZL(r3)
35 PPC_STL r10,10*SZL(r3)
36 PPC_STL r11,11*SZL(r3)
37 PPC_STL r12,12*SZL(r3)
38 PPC_STL r13,13*SZL(r3)
39 PPC_STL r14,14*SZL(r3)
40 PPC_STL r15,15*SZL(r3)
41 PPC_STL r16,16*SZL(r3)
42 PPC_STL r17,17*SZL(r3)
43 PPC_STL r18,18*SZL(r3)
44 PPC_STL r19,19*SZL(r3)
45 PPC_STL r20,20*SZL(r3)
46 PPC_STL r21,21*SZL(r3)
47 PPC_STL r22,22*SZL(r3)
48 PPC_STL r23,23*SZL(r3)
49 PPC_STL r24,24*SZL(r3)
50 PPC_STL r25,25*SZL(r3)
51 PPC_STL r26,26*SZL(r3)
52 PPC_STL r27,27*SZL(r3)
53 PPC_STL r28,28*SZL(r3)
54 PPC_STL r29,29*SZL(r3)
55 PPC_STL r30,30*SZL(r3)
56 PPC_STL r31,31*SZL(r3)
57 /* go up one stack frame for SP */
58 PPC_LL r4,0(r1)
59 PPC_STL r4,1*SZL(r3)
60 /* get caller's LR */
61 PPC_LL r0,LRSAVE(r4)
62 PPC_STL r0,_NIP-STACK_FRAME_OVERHEAD(r3)
63 PPC_STL r0,_LINK-STACK_FRAME_OVERHEAD(r3)
64 mfmsr r0
65 PPC_STL r0,_MSR-STACK_FRAME_OVERHEAD(r3)
66 mfctr r0
67 PPC_STL r0,_CTR-STACK_FRAME_OVERHEAD(r3)
68 mfxer r0
69 PPC_STL r0,_XER-STACK_FRAME_OVERHEAD(r3)
70 mfcr r0
71 PPC_STL r0,_CCR-STACK_FRAME_OVERHEAD(r3)
72 li r0,0
73 PPC_STL r0,_TRAP-STACK_FRAME_OVERHEAD(r3)
74 blr
diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
index 076368c8b8a9..8dfad7d9a004 100644
--- a/arch/powerpc/xmon/xmon.c
+++ b/arch/powerpc/xmon/xmon.c
@@ -41,6 +41,7 @@
41#include <asm/spu_priv1.h> 41#include <asm/spu_priv1.h>
42#include <asm/firmware.h> 42#include <asm/firmware.h>
43#include <asm/setjmp.h> 43#include <asm/setjmp.h>
44#include <asm/reg.h>
44 45
45#ifdef CONFIG_PPC64 46#ifdef CONFIG_PPC64
46#include <asm/hvcall.h> 47#include <asm/hvcall.h>
@@ -159,8 +160,6 @@ static int xmon_no_auto_backtrace;
159extern void xmon_enter(void); 160extern void xmon_enter(void);
160extern void xmon_leave(void); 161extern void xmon_leave(void);
161 162
162extern void xmon_save_regs(struct pt_regs *);
163
164#ifdef CONFIG_PPC64 163#ifdef CONFIG_PPC64
165#define REG "%.16lx" 164#define REG "%.16lx"
166#define REGS_PER_LINE 4 165#define REGS_PER_LINE 4
@@ -532,7 +531,7 @@ int xmon(struct pt_regs *excp)
532 struct pt_regs regs; 531 struct pt_regs regs;
533 532
534 if (excp == NULL) { 533 if (excp == NULL) {
535 xmon_save_regs(&regs); 534 ppc_save_regs(&regs);
536 excp = &regs; 535 excp = &regs;
537 } 536 }
538 537