From 0b09be2b2fa08a572ff95fc264b1acfea19f6dab Mon Sep 17 00:00:00 2001
From: blueswir1 <blueswir1@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Sun, 30 Dec 2007 17:13:01 +0000
Subject: [PATCH] Nicer debug output for exceptions
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3878 c046a42c-6fe2-441c-8c8c-71466251a162
---
target-sparc/op_helper.c | 108 +++++++++++++++++++++++++++++++++++++--
1 file changed, 104 insertions(+), 4 deletions(-)
diff --git a/target-sparc/op_helper.c b/target-sparc/op_helper.c
index 922c806511d..bb98b7ca727 100644
--- a/target-sparc/op_helper.c
+++ b/target-sparc/op_helper.c
@@ -1681,13 +1681,66 @@ void cpu_set_cwp(CPUState *env1, int new_cwp)
}
#ifdef TARGET_SPARC64
+#ifdef DEBUG_PCALL
+static const char * const excp_names[0x50] = {
+ [TT_TFAULT] = "Instruction Access Fault",
+ [TT_TMISS] = "Instruction Access MMU Miss",
+ [TT_CODE_ACCESS] = "Instruction Access Error",
+ [TT_ILL_INSN] = "Illegal Instruction",
+ [TT_PRIV_INSN] = "Privileged Instruction",
+ [TT_NFPU_INSN] = "FPU Disabled",
+ [TT_FP_EXCP] = "FPU Exception",
+ [TT_TOVF] = "Tag Overflow",
+ [TT_CLRWIN] = "Clean Windows",
+ [TT_DIV_ZERO] = "Division By Zero",
+ [TT_DFAULT] = "Data Access Fault",
+ [TT_DMISS] = "Data Access MMU Miss",
+ [TT_DATA_ACCESS] = "Data Access Error",
+ [TT_DPROT] = "Data Protection Error",
+ [TT_UNALIGNED] = "Unaligned Memory Access",
+ [TT_PRIV_ACT] = "Privileged Action",
+ [TT_EXTINT | 0x1] = "External Interrupt 1",
+ [TT_EXTINT | 0x2] = "External Interrupt 2",
+ [TT_EXTINT | 0x3] = "External Interrupt 3",
+ [TT_EXTINT | 0x4] = "External Interrupt 4",
+ [TT_EXTINT | 0x5] = "External Interrupt 5",
+ [TT_EXTINT | 0x6] = "External Interrupt 6",
+ [TT_EXTINT | 0x7] = "External Interrupt 7",
+ [TT_EXTINT | 0x8] = "External Interrupt 8",
+ [TT_EXTINT | 0x9] = "External Interrupt 9",
+ [TT_EXTINT | 0xa] = "External Interrupt 10",
+ [TT_EXTINT | 0xb] = "External Interrupt 11",
+ [TT_EXTINT | 0xc] = "External Interrupt 12",
+ [TT_EXTINT | 0xd] = "External Interrupt 13",
+ [TT_EXTINT | 0xe] = "External Interrupt 14",
+ [TT_EXTINT | 0xf] = "External Interrupt 15",
+};
+#endif
+
void do_interrupt(int intno)
{
#ifdef DEBUG_PCALL
if (loglevel & CPU_LOG_INT) {
static int count;
- fprintf(logfile, "%6d: v=%04x pc=%016" PRIx64 " npc=%016" PRIx64 " SP=%016" PRIx64 "\n",
- count, intno,
+ const char *name;
+
+ if (intno < 0 || intno >= 0x180 || (intno > 0x4f && intno < 0x80))
+ name = "Unknown";
+ else if (intno >= 0x100)
+ name = "Trap Instruction";
+ else if (intno >= 0xc0)
+ name = "Window Fill";
+ else if (intno >= 0x80)
+ name = "Window Spill";
+ else {
+ name = excp_names[intno];
+ if (!name)
+ name = "Unknown";
+ }
+
+ fprintf(logfile, "%6d: %s (v=%04x) pc=%016" PRIx64 " npc=%016" PRIx64
+ " SP=%016" PRIx64 "\n",
+ count, name, intno,
env->pc,
env->npc, env->regwptr[6]);
cpu_dump_state(env, logfile, fprintf, 0);
@@ -1740,6 +1793,41 @@ void do_interrupt(int intno)
env->exception_index = 0;
}
#else
+#ifdef DEBUG_PCALL
+static const char * const excp_names[0x80] = {
+ [TT_TFAULT] = "Instruction Access Fault",
+ [TT_ILL_INSN] = "Illegal Instruction",
+ [TT_PRIV_INSN] = "Privileged Instruction",
+ [TT_NFPU_INSN] = "FPU Disabled",
+ [TT_WIN_OVF] = "Window Overflow",
+ [TT_WIN_UNF] = "Window Underflow",
+ [TT_UNALIGNED] = "Unaligned Memory Access",
+ [TT_FP_EXCP] = "FPU Exception",
+ [TT_DFAULT] = "Data Access Fault",
+ [TT_TOVF] = "Tag Overflow",
+ [TT_EXTINT | 0x1] = "External Interrupt 1",
+ [TT_EXTINT | 0x2] = "External Interrupt 2",
+ [TT_EXTINT | 0x3] = "External Interrupt 3",
+ [TT_EXTINT | 0x4] = "External Interrupt 4",
+ [TT_EXTINT | 0x5] = "External Interrupt 5",
+ [TT_EXTINT | 0x6] = "External Interrupt 6",
+ [TT_EXTINT | 0x7] = "External Interrupt 7",
+ [TT_EXTINT | 0x8] = "External Interrupt 8",
+ [TT_EXTINT | 0x9] = "External Interrupt 9",
+ [TT_EXTINT | 0xa] = "External Interrupt 10",
+ [TT_EXTINT | 0xb] = "External Interrupt 11",
+ [TT_EXTINT | 0xc] = "External Interrupt 12",
+ [TT_EXTINT | 0xd] = "External Interrupt 13",
+ [TT_EXTINT | 0xe] = "External Interrupt 14",
+ [TT_EXTINT | 0xf] = "External Interrupt 15",
+ [TT_TOVF] = "Tag Overflow",
+ [TT_CODE_ACCESS] = "Instruction Access Error",
+ [TT_DATA_ACCESS] = "Data Access Error",
+ [TT_DIV_ZERO] = "Division By Zero",
+ [TT_NCP_INSN] = "Coprocessor Disabled",
+};
+#endif
+
void do_interrupt(int intno)
{
int cwp;
@@ -1747,8 +1835,20 @@ void do_interrupt(int intno)
#ifdef DEBUG_PCALL
if (loglevel & CPU_LOG_INT) {
static int count;
- fprintf(logfile, "%6d: v=%02x pc=%08x npc=%08x SP=%08x\n",
- count, intno,
+ const char *name;
+
+ if (intno < 0 || intno >= 0x100)
+ name = "Unknown";
+ else if (intno >= 0x80)
+ name = "Trap Instruction";
+ else {
+ name = excp_names[intno];
+ if (!name)
+ name = "Unknown";
+ }
+
+ fprintf(logfile, "%6d: %s (v=%02x) pc=%08x npc=%08x SP=%08x\n",
+ count, name, intno,
env->pc,
env->npc, env->regwptr[6]);
cpu_dump_state(env, logfile, fprintf, 0);
--
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