/* * debug stuff * (C) notaz, 2006-2008 * * This work is licensed under the terms of MAME license. * See COPYING file in the top-level directory. */ #include "pico_int.h" 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; 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__) #if defined(EMU_C68K) static struct Cyclone *currentC68k = NULL; #define other_set_sub(s) currentC68k=(s)?&PicoCpuCS68k:&PicoCpuCM68k; #define other_get_sr() CycloneGetSr(currentC68k) #define other_dar(i) currentC68k->d[i] #define other_osp currentC68k->osp #define other_get_irq() currentC68k->irq #define other_set_irq(i) currentC68k->irq=i #define other_is_stopped() (currentC68k->state_flags&1) #define other_is_tracing() ((currentC68k->state_flags&2)?1:0) #elif defined(EMU_F68K) static struct M68K_CONTEXT *g_m68kcontext; #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 static int otherRun(void) { #if defined(EMU_C68K) currentC68k->cycles=1; CycloneRun(currentC68k); return 1-currentC68k->cycles; #elif defined(EMU_F68K) return fm68k_emulate(g_m68kcontext, 1, 0); #endif } //static void dumpPCandExit(int is_sub) { char buff[128]; int i; m68k_disassemble(buff, pppc, M68K_CPU_TYPE_68000); dprintf("PC: %06x: %04x: %s", pppc, ppop, buff); dprintf(" this | prev"); for(i=0; i < 8; i++) 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, is_sub: %i", ops, is_sub); exit(1); } int CM_compareRun(int cyc, int is_sub) { char *str; 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_done < cyc) { if (have_illegal && m68k_read_disassembler_16(m68ki_cpu.pc) != 0x4e73) // not rte { have_illegal = 0; m68ki_cpu.pc += 2; #ifdef EMU_C68K currentC68k->pc=currentC68k->checkpc(currentC68k->pc + 2); #endif } // hacks for test_misc2 if (m68ki_cpu.pc == 0x0002e0 && m68k_read_disassembler_16(m68ki_cpu.pc) == 0x4e73) { // get out of "priviledge violation" loop have_illegal = 1; //m68ki_cpu.s_flag = SFLAG_SET; //currentC68k->srh|=0x20; } pppc = is_sub ? SekPcS68k : SekPc; ppop = m68k_read_disassembler_16(pppc); memcpy(old_regs, &other_dar(0), 4*16); old_sr = other_get_sr(); #if 0 { char buff[128]; dprintf("---"); m68k_disassemble(buff, pppc, M68K_CPU_TYPE_68000); dprintf("PC: %06x: %04x: %s", pppc, ppop, buff); //dprintf("A7: %08x", currentC68k->a[7]); } #endif irq_level = is_sub ? &dbg_irq_level_sub : &dbg_irq_level; if (*irq_level) { other_set_irq(*irq_level); m68k_set_irq(*irq_level); *irq_level=0; } cyc_other=otherRun(); // Musashi takes irq even if it hasn't got cycles left, let othercpu do it too if (other_get_irq() && other_get_irq() > ((other_get_sr()>>8)&7)) cyc_other+=otherRun(); cyc_musashi=m68k_execute(1); if (cyc_other != cyc_musashi) { dprintf("cycles: %i vs %i", cyc_other, cyc_musashi); err=1; } if (lrp_cyc != lrp_mus) { dprintf("lrp: %i vs %i", lrp_cyc&15, lrp_mus&15); err=1; } if (lwp_cyc != lwp_mus) { dprintf("lwp: %i vs %i", lwp_cyc&15, lwp_mus&15); err=1; } for (i=0; i < 16; i++) { if (lastwrite_cyc_d[i] != lastwrite_mus_d[i]) { dprintf("lastwrite: [%i]= %08x vs %08x", i, lastwrite_cyc_d[i], lastwrite_mus_d[i]); err=1; break; } } // compare PC pc = is_sub ? SekPcS68k : SekPc; m68ki_cpu.pc&=~1; if (pc != m68ki_cpu.pc) { dprintf("PC: %06x vs %06x", pc, m68ki_cpu.pc); err=1; } #if 0 if( SekPc > Pico.romsize || SekPc < 0x200 ) { dprintf("PC out of bounds: %06x", SekPc); err=1; } #endif // compare regs for (i=0; i < 16; i++) { if (other_dar(i) != m68ki_cpu.dar[i]) { str = (i < 8) ? "d" : "a"; dprintf("reg: %s%i: %08x vs %08x", str, i&7, other_dar(i), m68ki_cpu.dar[i]); err=1; } } // SR if (other_get_sr() != (mu_sr = m68k_get_reg(NULL, M68K_REG_SR))) { dprintf("SR: %04x vs %04x (??s? 0iii 000x nzvc)", other_get_sr(), mu_sr); err=1; } // IRQl if (other_get_irq() != (m68ki_cpu.int_level>>8)) { dprintf("IRQ: %i vs %i", other_get_irq(), (m68ki_cpu.int_level>>8)); err=1; } // OSP/USP if (other_osp != m68ki_cpu.sp[((mu_sr>>11)&4)^4]) { dprintf("OSP: %06x vs %06x", other_osp, m68ki_cpu.sp[((mu_sr>>11)&4)^4]); err=1; } // stopped if ((other_is_stopped() && !m68ki_cpu.stopped) || (!other_is_stopped() && m68ki_cpu.stopped)) { dprintf("stopped: %i vs %i", other_is_stopped(), m68ki_cpu.stopped); err=1; } // tracing if((other_is_tracing() && !m68ki_tracing) || (!other_is_tracing() && m68ki_tracing)) { dprintf("tracing: %i vs %i", other_is_tracing(), m68ki_tracing); err=1; } if(err) dumpPCandExit(is_sub); #if 0 if (m68ki_cpu.dar[15] < 0x00ff0000 || m68ki_cpu.dar[15] >= 0x01000000) { other_dar(15) = m68ki_cpu.dar[15] = 0xff8000; } #endif #if 0 m68k_set_reg(M68K_REG_SR, ((mu_sr-1)&~0x2000)|(mu_sr&0x2000)); // broken CycloneSetSr(currentC68k, ((mu_sr-1)&~0x2000)|(mu_sr&0x2000)); currentC68k->stopped = m68ki_cpu.stopped = 0; if(SekPc > 0x400 && (currentC68k->a[7] < 0xff0000 || currentC68k->a[7] > 0xffffff)) currentC68k->a[7] = m68ki_cpu.dar[15] = 0xff8000; #endif cyc_done += cyc_other; ops++; } return cyc_done; }