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some new cpu debug code

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This commit is contained in:
notaz 2013-08-10 17:57:54 +03:00
parent f81107f590
commit 12da51c27a
12 changed files with 224 additions and 54 deletions
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118
pico/sek.c
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@ -420,6 +420,122 @@ void SekFinishIdleDet(void)
}
#if defined(CPU_CMP_R) || defined(CPU_CMP_W)
#include "debug.h"
struct ref_68k {
u32 dar[16];
u32 pc;
u32 sr;
u32 cycles;
u32 pc_prev;
};
struct ref_68k ref_68ks[2];
static int current_68k;
void SekTrace(int is_s68k)
{
struct ref_68k *x68k = &ref_68ks[is_s68k];
u32 pc = is_s68k ? SekPcS68k : SekPc;
u32 sr = is_s68k ? SekSrS68k : SekSr;
u32 cycles = is_s68k ? SekCycleCntS68k : SekCycleCnt;
u32 r;
u8 cmd;
#ifdef CPU_CMP_W
int i;
if (is_s68k != current_68k) {
current_68k = is_s68k;
cmd = CTL_68K_SLAVE | current_68k;
tl_write(&cmd, sizeof(cmd));
}
if (pc != x68k->pc) {
x68k->pc = pc;
tl_write_uint(CTL_68K_PC, x68k->pc);
}
if (sr != x68k->sr) {
x68k->sr = sr;
tl_write_uint(CTL_68K_SR, x68k->sr);
}
for (i = 0; i < 16; i++) {
r = is_s68k ? SekDarS68k(i) : SekDar(i);
if (r != x68k->dar[i]) {
x68k->dar[i] = r;
tl_write_uint(CTL_68K_R + i, r);
}
}
tl_write_uint(CTL_68K_CYCLES, cycles);
#else
int i, bad = 0;
while (1)
{
int ret = tl_read(&cmd, sizeof(cmd));
if (ret == 0) {
elprintf(EL_STATUS, "EOF");
exit(1);
}
switch (cmd) {
case CTL_68K_SLAVE:
case CTL_68K_SLAVE + 1:
current_68k = cmd & 1;
break;
case CTL_68K_PC:
tl_read_uint(&x68k->pc);
break;
case CTL_68K_SR:
tl_read_uint(&x68k->sr);
break;
case CTL_68K_CYCLES:
tl_read_uint(&x68k->cycles);
goto breakloop;
default:
if (CTL_68K_R <= cmd && cmd < CTL_68K_R + 0x10)
tl_read_uint(&x68k->dar[cmd - CTL_68K_R]);
else
elprintf(EL_STATUS, "invalid cmd: %02x", cmd);
}
}
breakloop:
if (is_s68k != current_68k) {
printf("bad 68k: %d %d\n", is_s68k, current_68k);
bad = 1;
}
if (cycles != x68k->cycles) {
printf("bad cycles: %u %u\n", cycles, x68k->cycles);
bad = 1;
}
if ((pc ^ x68k->pc) & 0xffffff) {
printf("bad PC: %08x %08x\n", pc, x68k->pc);
bad = 1;
}
if (sr != x68k->sr) {
printf("bad SR: %03x %03x\n", sr, x68k->sr);
bad = 1;
}
for (i = 0; i < 16; i++) {
r = is_s68k ? SekDarS68k(i) : SekDar(i);
if (r != x68k->dar[i]) {
printf("bad %c%d: %08x %08x\n", i < 8 ? 'D' : 'A', i & 7,
r, x68k->dar[i]);
bad = 1;
}
}
if (bad) {
for (i = 0; i < 8; i++)
printf("D%d: %08x A%d: %08x\n", i, x68k->dar[i],
i, x68k->dar[i + 8]);
printf("PC: %08x, %08x\n", x68k->pc, x68k->pc_prev);
PDebugDumpMem();
exit(1);
}
x68k->pc_prev = x68k->pc;
#endif
}
#endif // CPU_CMP_*
#if defined(EMU_M68K) && M68K_INSTRUCTION_HOOK == OPT_SPECIFY_HANDLER
static unsigned char op_flags[0x400000/2] = { 0, };
static int atexit_set = 0;
@ -447,3 +563,5 @@ void instruction_hook(void)
op_flags[REG_PC/2] = 1;
}
#endif
// vim:shiftwidth=2:ts=2:expandtab