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[Qemu-devel] [RESENT][PATCH 1/2] Log reset events
From: |
Jan Kiszka |
Subject: |
[Qemu-devel] [RESENT][PATCH 1/2] Log reset events |
Date: |
Mon, 23 Jun 2008 17:15:30 +0200 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 |
Original idea&code by Kevin Wolf, now split-up in two patches. This one
introduces a flag to log CPU resets. Useful for tracing unexpected
resets (such as those triggered by triple faults).
Signed-off-by: Jan Kiszka <address@hidden>
---
cpu-all.h | 1 +
exec.c | 2 ++
target-i386/helper.c | 5 +++++
3 files changed, 8 insertions(+)
Index: b/exec.c
===================================================================
--- a/exec.c
+++ b/exec.c
@@ -1417,6 +1417,8 @@ CPULogItem cpu_log_items[] = {
#ifdef TARGET_I386
{ CPU_LOG_PCALL, "pcall",
"show protected mode far calls/returns/exceptions" },
+ { CPU_LOG_RESET, "cpu_reset",
+ "show CPU state before CPU resets" },
#endif
#ifdef DEBUG_IOPORT
{ CPU_LOG_IOPORT, "ioport",
Index: b/target-i386/helper.c
===================================================================
--- a/target-i386/helper.c
+++ b/target-i386/helper.c
@@ -383,6 +383,11 @@ void cpu_reset(CPUX86State *env)
memset(env, 0, offsetof(CPUX86State, breakpoints));
+ if (loglevel & CPU_LOG_RESET) {
+ fprintf(logfile, "CPU Reset (CPU %d)\n", env->cpu_index);
+ cpu_dump_state(env, logfile, fprintf, X86_DUMP_FPU | X86_DUMP_CCOP);
+ }
+
tlb_flush(env, 1);
env->old_exception = -1;
Index: b/cpu-all.h
===================================================================
--- a/cpu-all.h
+++ b/cpu-all.h
@@ -825,6 +825,7 @@ target_phys_addr_t cpu_get_phys_page_deb
#define CPU_LOG_PCALL (1 << 6)
#define CPU_LOG_IOPORT (1 << 7)
#define CPU_LOG_TB_CPU (1 << 8)
+#define CPU_LOG_RESET (1 << 9)
/* define log items */
typedef struct CPULogItem {
- [Qemu-devel] [RESENT][PATCH 1/2] Log reset events,
Jan Kiszka <=