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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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2
cpu/cyclone

@ -1 +1 @@
Subproject commit 194104e334f7c26015b99c862486a73be0d80162
Subproject commit 1f9661c5a2919ba91c0f4b89985e0712871e5762

2
cpu/cyclone_config.h
View file

@ -19,7 +19,7 @@
#define MEMHANDLERS_NEED_CYCLES 1
#define MEMHANDLERS_CHANGE_PC 0
#define MEMHANDLERS_CHANGE_FLAGS 0
#define MEMHANDLERS_CHANGE_CYCLES 0
#define MEMHANDLERS_CHANGE_CYCLES 1
#define MEMHANDLERS_DIRECT_PREFIX "cyclone_"

57
cpu/sh2/sh2.c
View file

@ -136,15 +136,6 @@ void sh2_unpack(SH2 *sh2, const unsigned char *buff)
static SH2 sh2ref[2];
static unsigned int mem_val;
static FILE *f;
enum ctl_byte {
CTL_MASTERSLAVE = 0x80,
CTL_EA = 0x82,
CTL_EAVAL = 0x83,
CTL_M68KPC = 0x84,
CTL_CYCLES = 0x85,
};
static unsigned int local_read32(SH2 *sh2, u32 a)
{
@ -176,12 +167,6 @@ static unsigned int local_read32(SH2 *sh2, u32 a)
return 0;
}
static void write_uint(unsigned char ctl, unsigned int v)
{
fwrite(&ctl, 1, 1, f);
fwrite(&v, sizeof(v), 1, f);
}
void do_sh2_trace(SH2 *current, int cycles)
{
static int current_slave = -1;
@ -193,39 +178,36 @@ void do_sh2_trace(SH2 *current, int cycles)
u32 val;
int i;
if (f == NULL)
f = fopen("tracelog", "wb");
if (SekPc != current_m68k_pc) {
current_m68k_pc = SekPc;
write_uint(CTL_M68KPC, current_m68k_pc);
tl_write_uint(CTL_M68KPC, current_m68k_pc);
}
if (current->is_slave != current_slave) {
current_slave = current->is_slave;
v = CTL_MASTERSLAVE | current->is_slave;
fwrite(&v, 1, 1, f);
tl_write(&v, sizeof(v));
}
for (i = 0; i < offsetof(SH2, read8_map) / 4; i++) {
if (i == 17) // ppc
continue;
if (regs_a[i] != regs_o[i]) {
write_uint(i, regs_a[i]);
tl_write_uint(CTL_SH2_R + i, regs_a[i]);
regs_o[i] = regs_a[i];
}
}
if (current->ea != sh2o->ea) {
write_uint(CTL_EA, current->ea);
tl_write_uint(CTL_EA, current->ea);
sh2o->ea = current->ea;
}
val = local_read32(current, current->ea);
if (mem_val != val) {
write_uint(CTL_EAVAL, val);
tl_write_uint(CTL_EAVAL, val);
mem_val = val;
}
write_uint(CTL_CYCLES, cycles);
tl_write_uint(CTL_CYCLES, cycles);
}
static const char *regnames[] = {
@ -264,17 +246,14 @@ void do_sh2_cmp(SH2 *current)
int cycles;
int i, ret;
if (f == NULL) {
f = fopen("tracelog", "rb");
sh2ref[1].is_slave = 1;
}
sh2ref[1].is_slave = 1;
while (1) {
ret = fread(&code, 1, 1, f);
ret = tl_read(&code, 1);
if (ret <= 0)
break;
if (code == CTL_CYCLES) {
fread(&cycles_o, 1, 4, f);
tl_read(&cycles_o, 4);
break;
}
@ -284,23 +263,27 @@ void do_sh2_cmp(SH2 *current)
current_slave = code & 1;
break;
case CTL_EA:
fread(&sh2o->ea, 4, 1, f);
tl_read_uint(&sh2o->ea);
break;
case CTL_EAVAL:
fread(&current_val, 4, 1, f);
tl_read_uint(&current_val);
break;
case CTL_M68KPC:
fread(&val, 4, 1, f);
tl_read_uint(&val);
if (SekPc != val) {
printf("m68k: %08x %08x\n", SekPc, val);
bad = 1;
}
break;
default:
if (code < offsetof(SH2, read8_map) / 4)
fread(regs_o + code, 4, 1, f);
else {
printf("invalid code: %02x\n", code);
if (CTL_SH2_R <= code && code < CTL_SH2_R +
offsetof(SH2, read8_map) / 4)
{
tl_read_uint(regs_o + code - CTL_SH2_R);
}
else
{
printf("wrong code: %02x\n", code);
goto end;
}
break;