#define ssp1601_reset ssp1601_reset_local
#define ssp1601_run ssp1601_run_local
-static unsigned int interp_get_pc(void);
-
-#define GET_PC interp_get_pc
-#define GET_PPC_OFFS() (interp_get_pc()*2 - 2)
+#define GET_PC() rPC
+#define GET_PPC_OFFS() (GET_PC()*2 - 2)
#define SET_PC(d) { had_jump = 1; rPC = d; } /* must return to dispatcher after this */
//#define GET_PC() (PC - (unsigned short *)svp->iram_rom)
//#define GET_PPC_OFFS() ((unsigned int)PC - (unsigned int)svp->iram_rom - 2)
//#define SET_PC(d) PC = (unsigned short *)svp->iram_rom + d
#include "ssp16.c"
+#include "gen_arm.c"
// -----------------------------------------------------
static void op00(unsigned int op, unsigned int imm)
{
unsigned int tmpv;
+ PC = ((unsigned short *)&op) + 1; /* FIXME: needed for interpreter */
if (op == 0) return; // nop
if (op == ((SSP_A<<4)|SSP_P)) { // A <- P
// not sure. MAME claims that only hi word is transfered.
// -----------------------------------------------------
-static unsigned int crctable[256] =
-{
- 0x00000000L, 0x77073096L, 0xEE0E612CL, 0x990951BAL,
- 0x076DC419L, 0x706AF48FL, 0xE963A535L, 0x9E6495A3L,
- 0x0EDB8832L, 0x79DCB8A4L, 0xE0D5E91EL, 0x97D2D988L,
- 0x09B64C2BL, 0x7EB17CBDL, 0xE7B82D07L, 0x90BF1D91L,
- 0x1DB71064L, 0x6AB020F2L, 0xF3B97148L, 0x84BE41DEL,
- 0x1ADAD47DL, 0x6DDDE4EBL, 0xF4D4B551L, 0x83D385C7L,
- 0x136C9856L, 0x646BA8C0L, 0xFD62F97AL, 0x8A65C9ECL,
- 0x14015C4FL, 0x63066CD9L, 0xFA0F3D63L, 0x8D080DF5L,
- 0x3B6E20C8L, 0x4C69105EL, 0xD56041E4L, 0xA2677172L,
- 0x3C03E4D1L, 0x4B04D447L, 0xD20D85FDL, 0xA50AB56BL,
- 0x35B5A8FAL, 0x42B2986CL, 0xDBBBC9D6L, 0xACBCF940L,
- 0x32D86CE3L, 0x45DF5C75L, 0xDCD60DCFL, 0xABD13D59L,
- 0x26D930ACL, 0x51DE003AL, 0xC8D75180L, 0xBFD06116L,
- 0x21B4F4B5L, 0x56B3C423L, 0xCFBA9599L, 0xB8BDA50FL,
- 0x2802B89EL, 0x5F058808L, 0xC60CD9B2L, 0xB10BE924L,
- 0x2F6F7C87L, 0x58684C11L, 0xC1611DABL, 0xB6662D3DL,
- 0x76DC4190L, 0x01DB7106L, 0x98D220BCL, 0xEFD5102AL,
- 0x71B18589L, 0x06B6B51FL, 0x9FBFE4A5L, 0xE8B8D433L,
- 0x7807C9A2L, 0x0F00F934L, 0x9609A88EL, 0xE10E9818L,
- 0x7F6A0DBBL, 0x086D3D2DL, 0x91646C97L, 0xE6635C01L,
- 0x6B6B51F4L, 0x1C6C6162L, 0x856530D8L, 0xF262004EL,
- 0x6C0695EDL, 0x1B01A57BL, 0x8208F4C1L, 0xF50FC457L,
- 0x65B0D9C6L, 0x12B7E950L, 0x8BBEB8EAL, 0xFCB9887CL,
- 0x62DD1DDFL, 0x15DA2D49L, 0x8CD37CF3L, 0xFBD44C65L,
- 0x4DB26158L, 0x3AB551CEL, 0xA3BC0074L, 0xD4BB30E2L,
- 0x4ADFA541L, 0x3DD895D7L, 0xA4D1C46DL, 0xD3D6F4FBL,
- 0x4369E96AL, 0x346ED9FCL, 0xAD678846L, 0xDA60B8D0L,
- 0x44042D73L, 0x33031DE5L, 0xAA0A4C5FL, 0xDD0D7CC9L,
- 0x5005713CL, 0x270241AAL, 0xBE0B1010L, 0xC90C2086L,
- 0x5768B525L, 0x206F85B3L, 0xB966D409L, 0xCE61E49FL,
- 0x5EDEF90EL, 0x29D9C998L, 0xB0D09822L, 0xC7D7A8B4L,
- 0x59B33D17L, 0x2EB40D81L, 0xB7BD5C3BL, 0xC0BA6CADL,
- 0xEDB88320L, 0x9ABFB3B6L, 0x03B6E20CL, 0x74B1D29AL,
- 0xEAD54739L, 0x9DD277AFL, 0x04DB2615L, 0x73DC1683L,
- 0xE3630B12L, 0x94643B84L, 0x0D6D6A3EL, 0x7A6A5AA8L,
- 0xE40ECF0BL, 0x9309FF9DL, 0x0A00AE27L, 0x7D079EB1L,
- 0xF00F9344L, 0x8708A3D2L, 0x1E01F268L, 0x6906C2FEL,
- 0xF762575DL, 0x806567CBL, 0x196C3671L, 0x6E6B06E7L,
- 0xFED41B76L, 0x89D32BE0L, 0x10DA7A5AL, 0x67DD4ACCL,
- 0xF9B9DF6FL, 0x8EBEEFF9L, 0x17B7BE43L, 0x60B08ED5L,
- 0xD6D6A3E8L, 0xA1D1937EL, 0x38D8C2C4L, 0x4FDFF252L,
- 0xD1BB67F1L, 0xA6BC5767L, 0x3FB506DDL, 0x48B2364BL,
- 0xD80D2BDAL, 0xAF0A1B4CL, 0x36034AF6L, 0x41047A60L,
- 0xDF60EFC3L, 0xA867DF55L, 0x316E8EEFL, 0x4669BE79L,
- 0xCB61B38CL, 0xBC66831AL, 0x256FD2A0L, 0x5268E236L,
- 0xCC0C7795L, 0xBB0B4703L, 0x220216B9L, 0x5505262FL,
- 0xC5BA3BBEL, 0xB2BD0B28L, 0x2BB45A92L, 0x5CB36A04L,
- 0xC2D7FFA7L, 0xB5D0CF31L, 0x2CD99E8BL, 0x5BDEAE1DL,
- 0x9B64C2B0L, 0xEC63F226L, 0x756AA39CL, 0x026D930AL,
- 0x9C0906A9L, 0xEB0E363FL, 0x72076785L, 0x05005713L,
- 0x95BF4A82L, 0xE2B87A14L, 0x7BB12BAEL, 0x0CB61B38L,
- 0x92D28E9BL, 0xE5D5BE0DL, 0x7CDCEFB7L, 0x0BDBDF21L,
- 0x86D3D2D4L, 0xF1D4E242L, 0x68DDB3F8L, 0x1FDA836EL,
- 0x81BE16CDL, 0xF6B9265BL, 0x6FB077E1L, 0x18B74777L,
- 0x88085AE6L, 0xFF0F6A70L, 0x66063BCAL, 0x11010B5CL,
- 0x8F659EFFL, 0xF862AE69L, 0x616BFFD3L, 0x166CCF45L,
- 0xA00AE278L, 0xD70DD2EEL, 0x4E048354L, 0x3903B3C2L,
- 0xA7672661L, 0xD06016F7L, 0x4969474DL, 0x3E6E77DBL,
- 0xAED16A4AL, 0xD9D65ADCL, 0x40DF0B66L, 0x37D83BF0L,
- 0xA9BCAE53L, 0xDEBB9EC5L, 0x47B2CF7FL, 0x30B5FFE9L,
- 0xBDBDF21CL, 0xCABAC28AL, 0x53B39330L, 0x24B4A3A6L,
- 0xBAD03605L, 0xCDD70693L, 0x54DE5729L, 0x23D967BFL,
- 0xB3667A2EL, 0xC4614AB8L, 0x5D681B02L, 0x2A6F2B94L,
- 0xB40BBE37L, 0xC30C8EA1L, 0x5A05DF1BL, 0x2D02EF8DL
-};
-
-static u32 chksum_crc32 (unsigned char *block, unsigned int length)
-{
- register u32 crc;
- unsigned long i;
-
- crc = 0xFFFFFFFF;
- for (i = 0; i < length; i++)
- {
- crc = ((crc >> 8) & 0x00FFFFFF) ^ crctable[(crc ^ *block++) & 0xFF];
- }
- return (crc ^ 0xFFFFFFFF);
-}
-
-//static int iram_crcs[32] = { 0, };
-
-// -----------------------------------------------------
-
static unsigned char iram_context_map[] =
{
0, 0, 0, 0, 1, 0, 0, 0, // 04
13,14, 0, 0, 0, 0, 0, 0 // 38 39
};
-static unsigned int checksums[] =
-{
- 0,
- 0xfa9ddfb2,
- 0x229c80b6,
- 0x3af0c3d3,
- 0x98fc4552,
- 0x5ecacdbc,
- 0xa6931962,
- 0x53930b10,
- 0x69524552,
- 0xcb1ccdaf,
- 0x995068c7,
- 0x48b97f4d,
- 0xe8c61b74,
- 0xafa2e81a,
- 0x4e3e071a
-};
-
-
static int get_iram_context(void)
{
unsigned char *ir = (unsigned char *)svp->iram_rom;
int val1, val = ir[0x083^1] + ir[0x4FA^1] + ir[0x5F7^1] + ir[0x47B^1];
- int crc = chksum_crc32(svp->iram_rom, 0x800);
val1 = iram_context_map[(val>>1)&0x3f];
- if (crc != checksums[val1] || val1 == 0) {
+ if (val1 == 0) {
printf("val: %02x PC=%04x\n", (val>>1)&0x3f, rPC);
- elprintf(EL_ANOMALY, "bad crc: %08x vs %08x", crc, checksums[val1]);
//debug_dump2file(name, svp->iram_rom, 0x800);
exit(1);
}
- elprintf(EL_ANOMALY, "iram_context: %02i", val1);
+// elprintf(EL_ANOMALY, "iram_context: %02i", val1);
return val1;
}
-#define PROGRAM(x) ((unsigned short *)svp->iram_rom)[x]
-
-static u32 interp_get_pc(void)
-{
-#if 0
- unsigned short *pc1 = PC;
- int i;
-
- while (pc1[-1] != 0xfe01) pc1--; // goto current block start
-
- if (rPC >= 0x800/2)
- {
- for (i = 0; i < 0x5090/2; i++)
- if (block_table[i] == pc1) break;
- if (i == 0x5090/2) goto fail;
- }
- else
- {
- for (i = 0; i < 0x800/2; i++)
- if (block_table_iram[iram_context][i] == pc1) break;
- if (i == 0x800/2) goto fail;
- }
- return i + (PC - pc1);
-fail:
- printf("block not found!\n");
- exit(1);
-#else
- return rPC;
-#endif
-}
+#define PROGRAM(x) ((unsigned short *)svp->iram_rom)[x]
static void *translate_block(int pc)
{
unsigned int op, op1, icount = 0;
- void *ret;
+ unsigned int *block_start;
+
+ // create .pool
+ *tcache_ptr++ = (u32) &g_cycles; // -3 g_cycles
+ *tcache_ptr++ = (u32) &ssp->gr[SSP_PC].v; // -2 ptr to rPC
+ *tcache_ptr++ = (u32) in_funcs; // -1 func pool
- ret = tcache_ptr;
+ block_start = tcache_ptr;
+
+ emit_block_prologue();
//printf("translate %04x -> %04x\n", pc<<1, (tcache_ptr-tcache)<<1);
for (;;)
icount++;
op = PROGRAM(pc++);
op1 = op >> 9;
+
+ emit_mov_const16(0, op);
+
// need immediate?
if ((op1 & 0xf) == 4 || (op1 & 0xf) == 6) {
- op |= PROGRAM(pc++) << 16; // immediate
+ emit_mov_const16(1, PROGRAM(pc++)); // immediate
}
- *tcache_ptr++ = op;
- *tcache_ptr = (unsigned int) in_funcs[op1];
- if (*tcache_ptr == 0) {
+
+ // dump PC
+ emit_pc_inc(block_start, pc);
+
+ emit_call(block_start, op1);
+
+ if (in_funcs[op1] == NULL) {
printf("NULL func! op=%08x (%02x)\n", op, op1);
exit(1);
}
- tcache_ptr++;
if (op1 == 0x24 || op1 == 0x26 || // call, bra
((op1 == 0 || op1 == 1 || op1 == 4 || op1 == 5 || op1 == 9 || op1 == 0x25) &&
(op & 0xf0) == 0x60)) { // ld PC
break;
}
}
- *tcache_ptr++ = 0xfe01;
- *tcache_ptr++ = 0xfe01; // end of block
+
+ emit_block_epilogue(block_start, icount + 1);
+ *tcache_ptr++ = 0xffffffff; // end of block
//printf(" %i inst\n", icount);
if (tcache_ptr - tcache > TCACHE_SIZE/4) {
//if (pc >= 0x400)
printf("%i blocks, %i bytes\n", nblocks, (tcache_ptr - tcache)*4);
- return ret;
+#if 0
+ {
+ FILE *f = fopen("tcache.bin", "wb");
+ fwrite(tcache, 1, (tcache_ptr - tcache)*4, f);
+ fclose(f);
+ }
+ exit(0);
+#endif
+ return block_start;
}
int ssp1601_dyn_init(void)
{
tcache = tcache_ptr = malloc(TCACHE_SIZE);
+ if (tcache == NULL) {
+ printf("oom\n");
+ exit(1);
+ }
memset(tcache, 0, sizeof(TCACHE_SIZE));
memset(block_table, 0, sizeof(block_table));
memset(block_table_iram, 0, sizeof(block_table_iram));
- *tcache_ptr++ = 0xfe01;
- *tcache_ptr++ = 0xfe01;
+ *tcache_ptr++ = 0xffffffff;
return 0;
}
ssp1601_reset_local(ssp);
}
-
-static void ssp1601_run2(unsigned int *iPC)
+static void handle_caches()
{
- in_func *func;
- unsigned int op, op1, imm;
- while (*iPC != 0xfe01)
- {
- rPC++;
- op = *iPC & 0xffff;
- imm = *iPC++ >> 16;
- op1 = op >> 9;
- if ((op1 & 0xf) == 4 || (op1 & 0xf) == 6) rPC++;
- PC = ((unsigned short *)&op) + 1; /* needed for interpreter */
-
- func = (in_func *) *iPC++;
- func(op, imm);
- g_cycles--;
- }
+#ifdef ARM
+ extern void flush_inval_dcache(const void *start_addr, const void *end_addr);
+ extern void flush_inval_icache(const void *start_addr, const void *end_addr);
+ flush_inval_dcache(tcache, tcache_ptr);
+ flush_inval_icache(tcache, tcache_ptr);
+#else
+#error wth
+#endif
}
-
void ssp1601_dyn_run(int cycles)
{
while (cycles > 0)
{
- unsigned int *iPC;
- //int pc_old = rPC;
+ void (*trans_entry)(void);
if (rPC < 0x800/2)
{
if (iram_dirty) {
}
if (block_table_iram[iram_context][rPC] == NULL)
block_table_iram[iram_context][rPC] = translate_block(rPC);
- iPC = block_table_iram[iram_context][rPC];
+ trans_entry = (void *) block_table_iram[iram_context][rPC];
}
else
{
if (block_table[rPC] == NULL)
block_table[rPC] = translate_block(rPC);
- iPC = block_table[rPC];
+ trans_entry = (void *) block_table[rPC];
}
had_jump = 0;
//printf("enter @ %04x, PC=%04x\n", (PC - tcache)<<1, rPC<<1);
g_cycles = 0;
- ssp1601_run2(iPC);
- cycles += g_cycles;
+ handle_caches();
+ trans_entry();
+ cycles -= g_cycles;
/*
if (!had_jump) {
// no jumps
notaz.gp2x.de / picodrive.git / blobdiff