-// cycles after syscall/hle?
+/*
+ * (C) GraÅžvydas "notaz" Ignotas, 2010
+ *
+ * This work is licensed under the terms of GNU GPL version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
// pending_exception?
+// swi 0 in do_unalignedwritestub?
#include <stdio.h>
#include "emu_if.h"
-#include "../psxmem.h"
+#include "pcsxmem.h"
#include "../psxhle.h"
-//#define memprintf printf
-#define memprintf(...)
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
+
//#define evprintf printf
#define evprintf(...)
-//#define DRC_DBG
-
char invalid_code[0x100000];
+u32 event_cycles[7];
-void MTC0_()
+static void schedule_timeslice(void)
{
- extern void psxMTC0();
+ u32 i, c = psxRegs.cycle;
+ s32 min, dif;
+
+ min = psxNextsCounter + psxNextCounter - c;
+ for (i = 0; i < ARRAY_SIZE(event_cycles); i++) {
+ dif = event_cycles[i] - c;
+ //evprintf(" ev %d\n", dif);
+ if (0 < dif && dif < min)
+ min = dif;
+ }
+ next_interupt = c + min;
- printf("ari64 MTC0 %08x\n", psxRegs.code);
- psxMTC0();
- pending_exception = 1; /* FIXME? */
+#if 0
+ static u32 cnt, last_cycle;
+ static u64 sum;
+ if (last_cycle) {
+ cnt++;
+ sum += psxRegs.cycle - last_cycle;
+ if ((cnt & 0xff) == 0)
+ printf("%u\n", (u32)(sum / cnt));
+ }
+ last_cycle = psxRegs.cycle;
+#endif
}
void gen_interupt()
{
- evprintf("ari64_gen_interupt\n");
- evprintf(" +ge %08x, %d->%d\n", psxRegs.pc, Count, next_interupt);
+ evprintf(" +ge %08x, %u->%u\n", psxRegs.pc, psxRegs.cycle, next_interupt);
#ifdef DRC_DBG
psxRegs.cycle += 2;
-#else
- psxRegs.cycle = Count; // stupid
#endif
psxBranchTest();
- if (psxRegs.cycle != Count) {
- printf("psxRegs.cycle != Count: %d != %d\n", psxRegs.cycle, Count);
- Count = psxRegs.cycle;
- }
+ schedule_timeslice();
- next_interupt = Count + psxNextCounter;
- evprintf(" -ge %08x, %d->%d\n", psxRegs.pc, Count, next_interupt);
+ evprintf(" -ge %08x, %u->%u (%d)\n", psxRegs.pc, psxRegs.cycle,
+ next_interupt, next_interupt - psxRegs.cycle);
pending_exception = 1; /* FIXME */
}
-void check_interupt()
-{
- printf("ari64_check_interupt\n");
-}
-
-void read_nomem_new()
-{
- printf("ari64_read_nomem_new\n");
-}
-
-static void read_mem8()
-{
- memprintf("ari64_read_mem8 %08x, PC~=%08x\n", address, psxRegs.pc);
- readmem_word = psxMemRead8(address) & 0xff;
-}
-
-static void read_mem16()
-{
- memprintf("ari64_read_mem16 %08x, PC~=%08x\n", address, psxRegs.pc);
- readmem_word = psxMemRead16(address) & 0xffff;
-}
-
-static void read_mem32()
-{
- memprintf("ari64_read_mem32 %08x, PC~=%08x\n", address, psxRegs.pc);
- readmem_word = psxMemRead32(address);
-}
-
-static void write_mem8()
+void MTC0_()
{
- memprintf("ari64_write_mem8 %08x, %02x, PC~=%08x\n", address, byte, psxRegs.pc);
- psxMemWrite8(address, byte);
-}
+ extern void psxMTC0();
-static void write_mem16()
-{
- memprintf("ari64_write_mem16 %08x, %04x, PC~=%08x\n", address, hword, psxRegs.pc);
- psxMemWrite16(address, hword);
+ evprintf("ari64 MTC0 %08x %08x %u\n", psxRegs.code, psxRegs.pc, psxRegs.cycle);
+ psxMTC0();
+ gen_interupt(); /* FIXME: checking pending irqs should be enough */
}
-static void write_mem32()
+void check_interupt()
{
- memprintf("ari64_write_mem32 %08x, %08x, PC~=%08x\n", address, word, psxRegs.pc);
- psxMemWrite32(address, word);
+ printf("ari64_check_interupt\n");
}
-void (*readmem[0x10000])();
-void (*readmemb[0x10000])();
-void (*readmemh[0x10000])();
-void (*writemem[0x10000])();
-void (*writememb[0x10000])();
-void (*writememh[0x10000])();
+void *gte_handlers[64];
+/* from gte.txt.. not sure if this is any good. */
+const char gte_cycletab[64] = {
+ /* 1 2 3 4 5 6 7 8 9 a b c d e f */
+ 0, 15, 0, 0, 0, 0, 8, 0, 0, 0, 0, 0, 6, 0, 0, 0,
+ 8, 8, 8, 19, 13, 0, 44, 0, 0, 0, 0, 17, 11, 0, 14, 0,
+ 30, 0, 0, 0, 0, 0, 0, 0, 5, 8, 17, 0, 0, 5, 6, 0,
+ 23, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 5, 39,
+};
static int ari64_init()
{
+ extern void (*psxCP2[64])();
+ extern void psxNULL();
+ extern void *psxH_ptr;
size_t i;
+
new_dynarec_init();
+ new_dyna_pcsx_mem_init();
- for (i = 0; i < sizeof(readmem) / sizeof(readmem[0]); i++) {
- readmemb[i] = read_mem8;
- readmemh[i] = read_mem16;
- readmem[i] = read_mem32;
- writememb[i] = write_mem8;
- writememh[i] = write_mem16;
- writemem[i] = write_mem32;
- }
+ for (i = 0; i < ARRAY_SIZE(gte_handlers); i++)
+ if (psxCP2[i] != psxNULL)
+ gte_handlers[i] = psxCP2[i];
+
+ psxH_ptr = psxH;
- psxHLEt_addr = (void *)psxHLEt;
+ return 0;
}
static void ari64_reset()
{
- /* hmh */
printf("ari64_reset\n");
+ new_dyna_pcsx_mem_reset();
+ invalidate_all_pages();
+ pending_exception = 1;
}
static void ari64_execute()
{
- /* TODO: get rid of this cycle counter copying */
- Count = psxRegs.cycle;
- next_interupt = Count + psxNextCounter;
+ schedule_timeslice();
- evprintf("psxNextsCounter %d, psxNextCounter %d\n", psxNextsCounter, psxNextCounter);
- evprintf("ari64_execute %08x, %d->%d\n", psxRegs.pc, Count, next_interupt);
- new_dyna_start(psxRegs.pc);
- evprintf("ari64_execute end %08x, %d->%d\n", psxRegs.pc, Count, next_interupt);
+ evprintf("ari64_execute %08x, %u->%u (%d)\n", psxRegs.pc,
+ psxRegs.cycle, next_interupt, next_interupt - psxRegs.cycle);
-#ifndef DRC_DBG
- psxRegs.cycle = Count;
-#endif
+ new_dyna_start();
+
+ evprintf("ari64_execute end %08x, %u->%u (%d)\n", psxRegs.pc,
+ psxRegs.cycle, next_interupt, next_interupt - psxRegs.cycle);
}
-static void ari64_clear(u32 Addr, u32 Size)
+static void ari64_clear(u32 addr, u32 size)
{
+ u32 start, end;
+
+ evprintf("ari64_clear %08x %04x\n", addr, size);
+
+ /* check for RAM mirrors */
+ if ((addr & ~0xe0600000) < 0x200000) {
+ addr &= ~0xe0600000;
+ addr |= 0x80000000;
+ }
+
+ start = addr >> 12;
+ end = (addr + size) >> 12;
+
+ for (; start <= end; start++)
+ if (!invalid_code[start])
+ invalidate_block(start);
}
static void ari64_shutdown()
unsigned int address, readmem_word, word;
unsigned short hword;
unsigned char byte;
-int pending_exception;
+int pending_exception, stop;
unsigned int next_interupt;
-void *psxHLEt_addr;
+void *psxH_ptr;
void new_dynarec_init() {}
-int new_dyna_start() {}
+void new_dyna_start() {}
void new_dynarec_cleanup() {}
+void invalidate_all_pages() {}
+void invalidate_block(unsigned int block) {}
+void new_dyna_pcsx_mem_init(void) {}
+void new_dyna_pcsx_mem_reset(void) {}
#endif
#ifdef DRC_DBG
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);
}
"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)
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++;
}
}
}
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+24]);
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);
notaz.gp2x.de / pcsx_rearmed.git / blobdiff