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target/m68k: add CPU_LOG_INT trace 

Display the interrupts/exceptions information
in QEMU logs (-d int)

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180104012913.30763-6-laurent@vivier.eu>
This commit is contained in:
Laurent Vivier 2018-01-04 02:29:01 +01:00
parent 16a14cdf57
commit 5beb144e04
2 changed files with 123 additions and 2 deletions
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8
target/m68k/cpu.h
View File

@ -45,6 +45,8 @@
#define EXCP_ADDRESS 3 /* Address error. */
#define EXCP_ILLEGAL 4 /* Illegal instruction. */
#define EXCP_DIV0 5 /* Divide by zero */
#define EXCP_CHK 6 /* CHK, CHK2 Instructions */
#define EXCP_TRAPCC 7 /* FTRAPcc, TRAPcc, TRAPV Instructions */
#define EXCP_PRIVILEGE 8 /* Privilege violation. */
#define EXCP_TRACE 9
#define EXCP_LINEA 10 /* Unimplemented line-A (MAC) opcode. */
@ -53,6 +55,9 @@
#define EXCP_DEBEGBP 13 /* Breakpoint debug interrupt. */
#define EXCP_FORMAT 14 /* RTE format error. */
#define EXCP_UNINITIALIZED 15
#define EXCP_SPURIOUS 24 /* Spurious interrupt */
#define EXCP_INT_LEVEL_1 25 /* Level 1 Interrupt autovector */
#define EXCP_INT_LEVEL_7 31 /* Level 7 Interrupt autovector */
#define EXCP_TRAP0 32 /* User trap #0. */
#define EXCP_TRAP15 47 /* User trap #15. */
#define EXCP_FP_BSUN 48 /* Branch Set on Unordered */
@ -63,6 +68,9 @@
#define EXCP_FP_OVFL 53 /* Overflow */
#define EXCP_FP_SNAN 54 /* Signaling Not-A-Number */
#define EXCP_FP_UNIMP 55 /* Unimplemented Data type */
#define EXCP_MMU_CONF 56 /* MMU Configuration Error */
#define EXCP_MMU_ILLEGAL 57 /* MMU Illegal Operation Error */
#define EXCP_MMU_ACCESS 58 /* MMU Access Level Violation Error */
#define EXCP_UNSUPPORTED 61
#define EXCP_RTE 0x100

117
target/m68k/op_helper.c
View File

@ -68,10 +68,116 @@ static void do_rte(CPUM68KState *env)
helper_set_sr(env, fmt);
}
static const char *m68k_exception_name(int index)
{
switch (index) {
case EXCP_ACCESS:
return "Access Fault";
case EXCP_ADDRESS:
return "Address Error";
case EXCP_ILLEGAL:
return "Illegal Instruction";
case EXCP_DIV0:
return "Divide by Zero";
case EXCP_CHK:
return "CHK/CHK2";
case EXCP_TRAPCC:
return "FTRAPcc, TRAPcc, TRAPV";
case EXCP_PRIVILEGE:
return "Privilege Violation";
case EXCP_TRACE:
return "Trace";
case EXCP_LINEA:
return "A-Line";
case EXCP_LINEF:
return "F-Line";
case EXCP_DEBEGBP: /* 68020/030 only */
return "Copro Protocol Violation";
case EXCP_FORMAT:
return "Format Error";
case EXCP_UNINITIALIZED:
return "Unitialized Interruot";
case EXCP_SPURIOUS:
return "Spurious Interrupt";
case EXCP_INT_LEVEL_1:
return "Level 1 Interrupt";
case EXCP_INT_LEVEL_1 + 1:
return "Level 2 Interrupt";
case EXCP_INT_LEVEL_1 + 2:
return "Level 3 Interrupt";
case EXCP_INT_LEVEL_1 + 3:
return "Level 4 Interrupt";
case EXCP_INT_LEVEL_1 + 4:
return "Level 5 Interrupt";
case EXCP_INT_LEVEL_1 + 5:
return "Level 6 Interrupt";
case EXCP_INT_LEVEL_1 + 6:
return "Level 7 Interrupt";
case EXCP_TRAP0:
return "TRAP #0";
case EXCP_TRAP0 + 1:
return "TRAP #1";
case EXCP_TRAP0 + 2:
return "TRAP #2";
case EXCP_TRAP0 + 3:
return "TRAP #3";
case EXCP_TRAP0 + 4:
return "TRAP #4";
case EXCP_TRAP0 + 5:
return "TRAP #5";
case EXCP_TRAP0 + 6:
return "TRAP #6";
case EXCP_TRAP0 + 7:
return "TRAP #7";
case EXCP_TRAP0 + 8:
return "TRAP #8";
case EXCP_TRAP0 + 9:
return "TRAP #9";
case EXCP_TRAP0 + 10:
return "TRAP #10";
case EXCP_TRAP0 + 11:
return "TRAP #11";
case EXCP_TRAP0 + 12:
return "TRAP #12";
case EXCP_TRAP0 + 13:
return "TRAP #13";
case EXCP_TRAP0 + 14:
return "TRAP #14";
case EXCP_TRAP0 + 15:
return "TRAP #15";
case EXCP_FP_BSUN:
return "FP Branch/Set on unordered condition";
case EXCP_FP_INEX:
return "FP Inexact Result";
case EXCP_FP_DZ:
return "FP Divide by Zero";
case EXCP_FP_UNFL:
return "FP Underflow";
case EXCP_FP_OPERR:
return "FP Operand Error";
case EXCP_FP_OVFL:
return "FP Overflow";
case EXCP_FP_SNAN:
return "FP Signaling NAN";
case EXCP_FP_UNIMP:
return "FP Unimplemented Data Type";
case EXCP_MMU_CONF: /* 68030/68851 only */
return "MMU Configuration Error";
case EXCP_MMU_ILLEGAL: /* 68851 only */
return "MMU Illegal Operation";
case EXCP_MMU_ACCESS: /* 68851 only */
return "MMU Access Level Violation";
case 64 ... 255:
return "User Defined Vector";
}
return "Unassigned";
}
static void do_interrupt_all(CPUM68KState *env, int is_hw)
{
CPUState *cs = CPU(m68k_env_get_cpu(env));
uint32_t sp;
uint32_t sr;
uint32_t fmt;
uint32_t retaddr;
uint32_t vector;
@ -109,10 +215,17 @@ static void do_interrupt_all(CPUM68KState *env, int is_hw)
vector = cs->exception_index << 2;
sr = env->sr | cpu_m68k_get_ccr(env);
if (qemu_loglevel_mask(CPU_LOG_INT)) {
static int count;
qemu_log("INT %6d: %s(%#x) pc=%08x sp=%08x sr=%04x\n",
++count, m68k_exception_name(cs->exception_index),
vector, env->pc, env->aregs[7], sr);
}
fmt |= 0x40000000;
fmt |= vector << 16;
fmt |= env->sr;
fmt |= cpu_m68k_get_ccr(env);
fmt |= sr;
env->sr |= SR_S;
if (is_hw) {