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famec hack, CPU debug in CD mode

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@292 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-11-10 15:49:07 +00:00
parent 9caf44b59b
commit b5e5172d04
11 changed files with 279 additions and 66 deletions
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50
Pico/Debug.c
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@ -7,7 +7,8 @@ typedef unsigned char u8;
static unsigned int pppc, ops=0;
extern unsigned int lastread_a, lastread_d[16], lastwrite_cyc_d[16], lastwrite_mus_d[16];
extern int lrp_cyc, lrp_mus, lwp_cyc, lwp_mus;
unsigned int old_regs[16], old_sr, ppop, have_illegal = 0, dbg_irq_level = 0;
unsigned int old_regs[16], old_sr, ppop, have_illegal = 0;
int dbg_irq_level = 0, dbg_irq_level_sub = 0;
#undef dprintf
#define dprintf(f,...) printf("%05i:%03i: " f "\n",Pico.m.frame_count,Pico.m.scanline,##__VA_ARGS__)
@ -21,13 +22,14 @@ unsigned int old_regs[16], old_sr, ppop, have_illegal = 0, dbg_irq_level = 0;
#define other_is_stopped() (PicoCpuCM68k.state_flags&1)
#define other_is_tracing() ((PicoCpuCM68k.state_flags&2)?1:0)
#elif defined(EMU_F68K)
#define other_get_sr() PicoCpuFM68k.sr
#define other_dar(i) ((unsigned int*)PicoCpuFM68k.dreg)[i]
#define other_osp PicoCpuFM68k.asp
#define other_get_irq() PicoCpuFM68k.interrupts[0]
#define other_set_irq(irq) PicoCpuFM68k.interrupts[0]=irq
#define other_is_stopped() ((PicoCpuFM68k.execinfo&FM68K_HALTED)?1:0)
#define other_is_tracing() ((PicoCpuFM68k.execinfo&FM68K_EMULATE_TRACE)?1:0)
#define other_set_sub(s) g_m68kcontext=(s)?&PicoCpuFS68k:&PicoCpuFM68k;
#define other_get_sr() g_m68kcontext->sr
#define other_dar(i) ((unsigned int*)g_m68kcontext->dreg)[i]
#define other_osp g_m68kcontext->asp
#define other_get_irq() g_m68kcontext->interrupts[0]
#define other_set_irq(irq) g_m68kcontext->interrupts[0]=irq
#define other_is_stopped() ((g_m68kcontext->execinfo&FM68K_HALTED)?1:0)
#define other_is_tracing() ((g_m68kcontext->execinfo&FM68K_EMULATE_TRACE)?1:0)
#else
#error other core missing, don't compile this file
#endif
@ -44,7 +46,7 @@ static int otherRun(void)
}
//static
void dumpPCandExit()
void dumpPCandExit(int is_sub)
{
char buff[128];
int i;
@ -56,19 +58,21 @@ void dumpPCandExit()
dprintf("d%i=%08x, a%i=%08x | d%i=%08x, a%i=%08x", i, other_dar(i), i, other_dar(i+8), i, old_regs[i], i, old_regs[i+8]);
dprintf("SR: %04x | %04x (??s? 0iii 000x nzvc)", other_get_sr(), old_sr);
dprintf("last_read: %08x @ %06x", lastread_d[--lrp_cyc&15], lastread_a);
dprintf("ops done: %i", ops);
dprintf("ops done: %i, is_sub: %i", ops, is_sub);
exit(1);
}
int CM_compareRun(int cyc)
int CM_compareRun(int cyc, int is_sub)
{
char *str;
int cyc_done=0, cyc_other, cyc_musashi, err=0;
unsigned int i, mu_sr;
int cyc_done=0, cyc_other, cyc_musashi, *irq_level, err=0;
unsigned int i, pc, mu_sr;
m68ki_cpu_p=is_sub?&PicoCpuMS68k:&PicoCpuMM68k;
other_set_sub(is_sub);
lrp_cyc = lrp_mus = 0;
while(cyc > cyc_done)
while (cyc_done < cyc)
{
if (have_illegal && m68k_read_disassembler_16(m68ki_cpu.pc) != 0x4e73) // not rte
{
@ -87,7 +91,7 @@ int CM_compareRun(int cyc)
//PicoCpuCM68k.srh|=0x20;
}
pppc = SekPc;
pppc = is_sub ? SekPcS68k : SekPc;
ppop = m68k_read_disassembler_16(pppc);
memcpy(old_regs, &other_dar(0), 4*16);
old_sr = other_get_sr();
@ -102,11 +106,12 @@ int CM_compareRun(int cyc)
}
#endif
if (dbg_irq_level)
irq_level = is_sub ? &dbg_irq_level_sub : &dbg_irq_level;
if (*irq_level)
{
other_set_irq(dbg_irq_level);
m68k_set_irq(dbg_irq_level);
dbg_irq_level=0;
other_set_irq(*irq_level);
m68k_set_irq(*irq_level);
*irq_level=0;
}
cyc_other=otherRun();
@ -136,9 +141,10 @@ int CM_compareRun(int cyc)
}
// compare PC
pc = is_sub ? SekPcS68k : SekPc;
m68ki_cpu.pc&=~1;
if (SekPc != m68ki_cpu.pc) {
dprintf("PC: %06x vs %06x", SekPc, m68ki_cpu.pc);
if (pc != m68ki_cpu.pc) {
dprintf("PC: %06x vs %06x", pc, m68ki_cpu.pc);
err=1;
}
@ -188,7 +194,7 @@ int CM_compareRun(int cyc)
err=1;
}
if(err) dumpPCandExit();
if(err) dumpPCandExit(is_sub);
#if 0
if (PicoCpuCM68k.a[7] < 0x00ff0000 || PicoCpuCM68k.a[7] >= 0x01000000)