drc: small debug improvement

diff --git a/Makefile b/Makefile
index 88972b6..2716f8d 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -11,9 +11,7 @@ endif
 ifndef DEBUG
 CFLAGS += -O2
 endif
-ifdef DRC_DBG
-CFLAGS += -DDRC_DBG
-endif
+#DRC_DBG = 1
 TARGET = pcsx
 
 all: $(TARGET)
@@ -31,6 +29,10 @@ OBJS += libpcsxcore/new_dynarec/new_dynarec.o libpcsxcore/new_dynarec/linkage_ar
 endif
 OBJS += libpcsxcore/new_dynarec/emu_if.o
 libpcsxcore/new_dynarec/new_dynarec.o: libpcsxcore/new_dynarec/assem_arm.c
+ifdef DRC_DBG
+libpcsxcore/new_dynarec/emu_if.o: CFLAGS += -D_FILE_OFFSET_BITS=64
+CFLAGS += -DDRC_DBG
+endif
 
 # spu
 OBJS += plugins/dfsound/adsr.o plugins/dfsound/dma.o plugins/dfsound/oss.o plugins/dfsound/reverb.o \

diff --git a/libpcsxcore/new_dynarec/emu_if.c b/libpcsxcore/new_dynarec/emu_if.c
index d9d753d..2560eb3 100644 (file)
--- a/libpcsxcore/new_dynarec/emu_if.c
+++ b/libpcsxcore/new_dynarec/emu_if.c
@@ -187,7 +187,7 @@ unsigned char byte;
 int pending_exception;
 unsigned int next_interupt;
 void new_dynarec_init() {}
-int  new_dyna_start() {}
+void new_dyna_start() {}
 void new_dynarec_cleanup() {}
 #endif
 
@@ -200,6 +200,8 @@ extern u32 last_io_addr;
 static void dump_mem(const char *fname, void *mem, size_t size)
 {
        FILE *f1 = fopen(fname, "wb");
+       if (f1 == NULL)
+               f1 = fopen(strrchr(fname, '/') + 1, "wb");
        fwrite(mem, 1, size, f1);
        fclose(f1);
 }
@@ -277,6 +279,25 @@ static const char *regnames[offsetof(psxRegisters, intCycle) / 4] = {
        "PC", "code", "cycle", "interrupt",
 };
 
+static struct {
+       int reg;
+       u32 val, val_expect;
+       u32 pc, cycle;
+} miss_log[64];
+static int miss_log_i;
+#define miss_log_len (sizeof(miss_log)/sizeof(miss_log[0]))
+#define miss_log_mask (miss_log_len-1)
+
+static void miss_log_add(int reg, u32 val, u32 val_expect, u32 pc, u32 cycle)
+{
+       miss_log[miss_log_i].reg = reg;
+       miss_log[miss_log_i].val = val;
+       miss_log[miss_log_i].val_expect = val_expect;
+       miss_log[miss_log_i].pc = pc;
+       miss_log[miss_log_i].cycle = cycle;
+       miss_log_i = (miss_log_i + 1) & miss_log_mask;
+}
+
 void breakme() {}
 
 void do_insn_cmp(void)
@@ -336,8 +357,7 @@ psxRegs.CP0.r[9] = rregs.CP0.r[9]; // Count
 
        for (i = 0; i < offsetof(psxRegisters, intCycle) / 4; i++) {
                if (allregs_p[i] != allregs_e[i]) {
-                       printf("bad %5s: %08x %08x, pc=%08x, cycle %u\n",
-                               regnames[i], allregs_p[i], allregs_e[i], psxRegs.pc, psxRegs.cycle);
+                       miss_log_add(i, allregs_p[i], allregs_e[i], psxRegs.pc, psxRegs.cycle);
                        bad++;
                }
        }
@@ -348,12 +368,24 @@ psxRegs.CP0.r[9] = rregs.CP0.r[9]; // Count
        }
 
        if (psxRegs.pc == rregs.pc && bad < 6 && failcount < 32) {
-               printf("-- %d\n", bad);
+               static int last_mcycle;
+               if (last_mcycle != psxRegs.cycle >> 20) {
+                       printf("%u\n", psxRegs.cycle);
+                       last_mcycle = psxRegs.cycle >> 20;
+               }
                failcount++;
                goto ok;
        }
 
 end:
+       for (i = 0; i < miss_log_len; i++, miss_log_i = (miss_log_i + 1) & miss_log_mask)
+               printf("bad %5s: %08x %08x, pc=%08x, cycle %u\n",
+                       regnames[miss_log[miss_log_i].reg], miss_log[miss_log_i].val,
+                       miss_log[miss_log_i].val_expect, miss_log[miss_log_i].pc, miss_log[miss_log_i].cycle);
+       printf("-- %d\n", bad);
+       for (i = 0; i < 8; i++)
+               printf("r%d=%08x r%2d=%08x r%2d=%08x r%2d=%08x\n", i, allregs_p[i],
+                       i+8, allregs_p[i+8], i+16, allregs_p[i+16], i+24, allregs_p[i+23]);
        printf("PC: %08x/%08x, cycle %u\n", psxRegs.pc, ppc, psxRegs.cycle);
        dump_mem("/mnt/ntz/dev/pnd/tmp/psxram.dump", psxM, 0x200000);
        dump_mem("/mnt/ntz/dev/pnd/tmp/psxregs.dump", psxH, 0x10000);