compiler work, last(?) C version

git-svn-id: file:///home/notaz/opt/svn/PicoDrive@357 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2008-02-16 21:14:21 +00:00
parent df143b366c
commit 892b1dd258
2 changed files with 526 additions and 37 deletions

View file

@ -4,10 +4,10 @@
#include "../../PicoInt.h" #include "../../PicoInt.h"
#define TCACHE_SIZE (256*1024) #define TCACHE_SIZE (256*1024)
static unsigned short *block_table[0x5090/2]; static unsigned int *block_table[0x5090/2];
static unsigned short *block_table_iram[15][0x800/2]; static unsigned int *block_table_iram[15][0x800/2];
static unsigned short *tcache = NULL; static unsigned int *tcache = NULL;
static unsigned short *tcache_ptr = NULL; static unsigned int *tcache_ptr = NULL;
static int had_jump = 0; static int had_jump = 0;
static int nblocks = 0; static int nblocks = 0;
@ -30,6 +30,463 @@ static unsigned int interp_get_pc(void);
// ----------------------------------------------------- // -----------------------------------------------------
// ld d, s
static void op00(unsigned int op, unsigned int imm)
{
unsigned int tmpv;
if (op == 0) return; // nop
if (op == ((SSP_A<<4)|SSP_P)) { // A <- P
// not sure. MAME claims that only hi word is transfered.
read_P(); // update P
rA32 = rP.v;
}
else
{
tmpv = REG_READ(op & 0x0f);
REG_WRITE((op & 0xf0) >> 4, tmpv);
}
}
// ld d, (ri)
static void op01(unsigned int op, unsigned int imm)
{
unsigned int tmpv;
tmpv = ptr1_read(op); REG_WRITE((op & 0xf0) >> 4, tmpv);
}
// ld (ri), s
static void op02(unsigned int op, unsigned int imm)
{
unsigned int tmpv;
tmpv = REG_READ((op & 0xf0) >> 4); ptr1_write(op, tmpv);
}
// ldi d, imm
static void op04(unsigned int op, unsigned int imm)
{
REG_WRITE((op & 0xf0) >> 4, imm);
}
// ld d, ((ri))
static void op05(unsigned int op, unsigned int imm)
{
unsigned int tmpv;
tmpv = ptr2_read(op); REG_WRITE((op & 0xf0) >> 4, tmpv);
}
// ldi (ri), imm
static void op06(unsigned int op, unsigned int imm)
{
ptr1_write(op, imm);
}
// ld adr, a
static void op07(unsigned int op, unsigned int imm)
{
ssp->RAM[op & 0x1ff] = rA;
}
// ld d, ri
static void op09(unsigned int op, unsigned int imm)
{
unsigned int tmpv;
tmpv = rIJ[(op&3)|((op>>6)&4)]; REG_WRITE((op & 0xf0) >> 4, tmpv);
}
// ld ri, s
static void op0a(unsigned int op, unsigned int imm)
{
rIJ[(op&3)|((op>>6)&4)] = REG_READ((op & 0xf0) >> 4);
}
// ldi ri, simm (also op0d op0e op0f)
static void op0c(unsigned int op, unsigned int imm)
{
rIJ[(op>>8)&7] = op;
}
// call cond, addr
static void op24(unsigned int op, unsigned int imm)
{
int cond = 0;
do {
COND_CHECK
if (cond) { int new_PC = imm; write_STACK(GET_PC()); write_PC(new_PC); }
}
while (0);
}
// ld d, (a)
static void op25(unsigned int op, unsigned int imm)
{
unsigned int tmpv;
tmpv = ((unsigned short *)svp->iram_rom)[rA]; REG_WRITE((op & 0xf0) >> 4, tmpv);
}
// bra cond, addr
static void op26(unsigned int op, unsigned int imm)
{
do
{
int cond = 0;
COND_CHECK
if (cond) write_PC(imm);
}
while(0);
}
// mod cond, op
static void op48(unsigned int op, unsigned int imm)
{
do
{
int cond = 0;
COND_CHECK
if (cond) {
switch (op & 7) {
case 2: rA32 = (signed int)rA32 >> 1; break; // shr (arithmetic)
case 3: rA32 <<= 1; break; // shl
case 6: rA32 = -(signed int)rA32; break; // neg
case 7: if ((int)rA32 < 0) rA32 = -(signed int)rA32; break; // abs
default: elprintf(EL_SVP|EL_ANOMALY, "ssp FIXME: unhandled mod %i @ %04x",
op&7, GET_PPC_OFFS());
}
UPD_ACC_ZN // ?
}
}
while(0);
}
// mpys?
static void op1b(unsigned int op, unsigned int imm)
{
read_P(); // update P
rA32 -= rP.v; // maybe only upper word?
UPD_ACC_ZN // there checking flags after this
rX = ptr1_read_(op&3, 0, (op<<1)&0x18); // ri (maybe rj?)
rY = ptr1_read_((op>>4)&3, 4, (op>>3)&0x18); // rj
}
// mpya (rj), (ri), b
static void op4b(unsigned int op, unsigned int imm)
{
read_P(); // update P
rA32 += rP.v; // confirmed to be 32bit
UPD_ACC_ZN // ?
rX = ptr1_read_(op&3, 0, (op<<1)&0x18); // ri (maybe rj?)
rY = ptr1_read_((op>>4)&3, 4, (op>>3)&0x18); // rj
}
// mld (rj), (ri), b
static void op5b(unsigned int op, unsigned int imm)
{
rA32 = 0;
rST &= 0x0fff; // ?
rX = ptr1_read_(op&3, 0, (op<<1)&0x18); // ri (maybe rj?)
rY = ptr1_read_((op>>4)&3, 4, (op>>3)&0x18); // rj
}
// OP a, s
static void op10(unsigned int op, unsigned int imm)
{
do
{
unsigned int tmpv;
OP_CHECK32(OP_SUBA32); tmpv = REG_READ(op & 0x0f); OP_SUBA(tmpv);
}
while(0);
}
static void op30(unsigned int op, unsigned int imm)
{
do
{
unsigned int tmpv;
OP_CHECK32(OP_CMPA32); tmpv = REG_READ(op & 0x0f); OP_CMPA(tmpv);
}
while(0);
}
static void op40(unsigned int op, unsigned int imm)
{
do
{
unsigned int tmpv;
OP_CHECK32(OP_ADDA32); tmpv = REG_READ(op & 0x0f); OP_ADDA(tmpv);
}
while(0);
}
static void op50(unsigned int op, unsigned int imm)
{
do
{
unsigned int tmpv;
OP_CHECK32(OP_ANDA32); tmpv = REG_READ(op & 0x0f); OP_ANDA(tmpv);
}
while(0);
}
static void op60(unsigned int op, unsigned int imm)
{
do
{
unsigned int tmpv;
OP_CHECK32(OP_ORA32 ); tmpv = REG_READ(op & 0x0f); OP_ORA (tmpv);
}
while(0);
}
static void op70(unsigned int op, unsigned int imm)
{
do
{
unsigned int tmpv;
OP_CHECK32(OP_EORA32); tmpv = REG_READ(op & 0x0f); OP_EORA(tmpv);
}
while(0);
}
// OP a, (ri)
static void op11(unsigned int op, unsigned int imm)
{
unsigned int tmpv;
tmpv = ptr1_read(op); OP_SUBA(tmpv);
}
static void op31(unsigned int op, unsigned int imm)
{
unsigned int tmpv;
tmpv = ptr1_read(op); OP_CMPA(tmpv);
}
static void op41(unsigned int op, unsigned int imm)
{
unsigned int tmpv;
tmpv = ptr1_read(op); OP_ADDA(tmpv);
}
static void op51(unsigned int op, unsigned int imm)
{
unsigned int tmpv;
tmpv = ptr1_read(op); OP_ANDA(tmpv);
}
static void op61(unsigned int op, unsigned int imm)
{
unsigned int tmpv;
tmpv = ptr1_read(op); OP_ORA (tmpv);
}
static void op71(unsigned int op, unsigned int imm)
{
unsigned int tmpv;
tmpv = ptr1_read(op); OP_EORA(tmpv);
}
// OP a, adr
static void op03(unsigned int op, unsigned int imm)
{
unsigned int tmpv;
tmpv = ssp->RAM[op & 0x1ff]; OP_LDA (tmpv);
}
static void op13(unsigned int op, unsigned int imm)
{
unsigned int tmpv;
tmpv = ssp->RAM[op & 0x1ff]; OP_SUBA(tmpv);
}
static void op33(unsigned int op, unsigned int imm)
{
unsigned int tmpv;
tmpv = ssp->RAM[op & 0x1ff]; OP_CMPA(tmpv);
}
static void op43(unsigned int op, unsigned int imm)
{
unsigned int tmpv;
tmpv = ssp->RAM[op & 0x1ff]; OP_ADDA(tmpv);
}
static void op53(unsigned int op, unsigned int imm)
{
unsigned int tmpv;
tmpv = ssp->RAM[op & 0x1ff]; OP_ANDA(tmpv);
}
static void op63(unsigned int op, unsigned int imm)
{
unsigned int tmpv;
tmpv = ssp->RAM[op & 0x1ff]; OP_ORA (tmpv);
}
static void op73(unsigned int op, unsigned int imm)
{
unsigned int tmpv;
tmpv = ssp->RAM[op & 0x1ff]; OP_EORA(tmpv);
}
// OP a, imm
static void op14(unsigned int op, unsigned int imm)
{
OP_SUBA(imm);
}
static void op34(unsigned int op, unsigned int imm)
{
OP_CMPA(imm);
}
static void op44(unsigned int op, unsigned int imm)
{
OP_ADDA(imm);
}
static void op54(unsigned int op, unsigned int imm)
{
OP_ANDA(imm);
}
static void op64(unsigned int op, unsigned int imm)
{
OP_ORA (imm);
}
static void op74(unsigned int op, unsigned int imm)
{
OP_EORA(imm);
}
// OP a, ((ri))
static void op15(unsigned int op, unsigned int imm)
{
unsigned int tmpv;
tmpv = ptr2_read(op); OP_SUBA(tmpv);
}
static void op35(unsigned int op, unsigned int imm)
{
unsigned int tmpv;
tmpv = ptr2_read(op); OP_CMPA(tmpv);
}
static void op45(unsigned int op, unsigned int imm)
{
unsigned int tmpv;
tmpv = ptr2_read(op); OP_ADDA(tmpv);
}
static void op55(unsigned int op, unsigned int imm)
{
unsigned int tmpv;
tmpv = ptr2_read(op); OP_ANDA(tmpv);
}
static void op65(unsigned int op, unsigned int imm)
{
unsigned int tmpv;
tmpv = ptr2_read(op); OP_ORA (tmpv);
}
static void op75(unsigned int op, unsigned int imm)
{
unsigned int tmpv;
tmpv = ptr2_read(op); OP_EORA(tmpv);
}
// OP a, ri
static void op19(unsigned int op, unsigned int imm)
{
unsigned int tmpv;
tmpv = rIJ[IJind]; OP_SUBA(tmpv);
}
static void op39(unsigned int op, unsigned int imm)
{
unsigned int tmpv;
tmpv = rIJ[IJind]; OP_CMPA(tmpv);
}
static void op49(unsigned int op, unsigned int imm)
{
unsigned int tmpv;
tmpv = rIJ[IJind]; OP_ADDA(tmpv);
}
static void op59(unsigned int op, unsigned int imm)
{
unsigned int tmpv;
tmpv = rIJ[IJind]; OP_ANDA(tmpv);
}
static void op69(unsigned int op, unsigned int imm)
{
unsigned int tmpv;
tmpv = rIJ[IJind]; OP_ORA (tmpv);
}
static void op79(unsigned int op, unsigned int imm)
{
unsigned int tmpv;
tmpv = rIJ[IJind]; OP_EORA(tmpv);
}
// OP simm
static void op1c(unsigned int op, unsigned int imm)
{
OP_SUBA(op & 0xff);
}
static void op3c(unsigned int op, unsigned int imm)
{
OP_CMPA(op & 0xff);
}
static void op4c(unsigned int op, unsigned int imm)
{
OP_ADDA(op & 0xff);
}
static void op5c(unsigned int op, unsigned int imm)
{
OP_ANDA(op & 0xff);
}
static void op6c(unsigned int op, unsigned int imm)
{
OP_ORA (op & 0xff);
}
static void op7c(unsigned int op, unsigned int imm)
{
OP_EORA(op & 0xff);
}
typedef void (in_func)(unsigned int op, unsigned int imm);
static in_func *in_funcs[0x80] =
{
op00, op01, op02, op03, op04, op05, op06, op07,
NULL, op09, op0a, NULL, op0c, op0c, op0c, op0c,
op10, op11, NULL, op13, op14, op15, NULL, NULL,
NULL, op19, NULL, op1b, op1c, NULL, NULL, NULL,
NULL, NULL, NULL, NULL, op24, op25, op26, NULL,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
op30, op31, NULL, op33, op34, op35, NULL, NULL,
NULL, op39, NULL, NULL, op3c, NULL, NULL, NULL,
op40, op41, NULL, op43, op44, op45, NULL, NULL,
op48, op49, NULL, op4b, op4c, NULL, NULL, NULL,
op50, op51, NULL, op53, op54, op55, NULL, NULL,
NULL, op59, NULL, op5b, op5c, NULL, NULL, NULL,
op60, op61, NULL, op63, op64, op65, NULL, NULL,
NULL, op69, NULL, NULL, op6c, NULL, NULL, NULL,
op70, op71, NULL, op73, op74, op75, NULL, NULL,
NULL, op79, NULL, NULL, op7c, NULL, NULL, NULL,
};
// -----------------------------------------------------
static unsigned int crctable[256] = static unsigned int crctable[256] =
{ {
0x00000000L, 0x77073096L, 0xEE0E612CL, 0x990951BAL, 0x00000000L, 0x77073096L, 0xEE0E612CL, 0x990951BAL,
@ -154,7 +611,7 @@ static int get_iram_context(void)
int crc = chksum_crc32(svp->iram_rom, 0x800); int crc = chksum_crc32(svp->iram_rom, 0x800);
val1 = iram_context_map[(val>>1)&0x3f]; val1 = iram_context_map[(val>>1)&0x3f];
if (crc != checksums[val1]) { if (crc != checksums[val1] || val1 == 0) {
printf("val: %02x PC=%04x\n", (val>>1)&0x3f, rPC); printf("val: %02x PC=%04x\n", (val>>1)&0x3f, rPC);
elprintf(EL_ANOMALY, "bad crc: %08x vs %08x", crc, checksums[val1]); elprintf(EL_ANOMALY, "bad crc: %08x vs %08x", crc, checksums[val1]);
//debug_dump2file(name, svp->iram_rom, 0x800); //debug_dump2file(name, svp->iram_rom, 0x800);
@ -168,29 +625,37 @@ static int get_iram_context(void)
static u32 interp_get_pc(void) static u32 interp_get_pc(void)
{ {
#if 0
unsigned short *pc1 = PC; unsigned short *pc1 = PC;
int i; int i;
while (pc1[-1] != 0xfe01) pc1--; // goto current block start while (pc1[-1] != 0xfe01) pc1--; // goto current block start
if (rPC >= 0x800/2)
{
for (i = 0; i < 0x5090/2; i++) for (i = 0; i < 0x5090/2; i++)
if (block_table[i] == pc1) break; if (block_table[i] == pc1) break;
if (i == 0x5090/2) goto fail;
if (i == 0x5090/2) }
else
{ {
for (i = 0; i < 0x800/2; i++) for (i = 0; i < 0x800/2; i++)
if (block_table_iram[iram_context][i] == pc1) break; if (block_table_iram[iram_context][i] == pc1) break;
if (i == 0x800/2) goto fail;
if (i == 0x800/2) {
printf("block not found!\n");
exit(1);
}
} }
return i + (PC - pc1); return i + (PC - pc1);
fail:
printf("block not found!\n");
exit(1);
#else
return rPC;
#endif
} }
static void *translate_block(int pc) static void *translate_block(int pc)
{ {
int tmp, op, op1, icount = 0; unsigned int op, op1, icount = 0;
void *ret; void *ret;
ret = tcache_ptr; ret = tcache_ptr;
@ -198,25 +663,31 @@ static void *translate_block(int pc)
//printf("translate %04x -> %04x\n", pc<<1, (tcache_ptr-tcache)<<1); //printf("translate %04x -> %04x\n", pc<<1, (tcache_ptr-tcache)<<1);
for (;;) for (;;)
{ {
icount++;
op = PROGRAM(pc++); op = PROGRAM(pc++);
op1 = op >> 9; op1 = op >> 9;
*tcache_ptr++ = op;
icount++;
// need immediate? // need immediate?
if ((op1 & 0xf) == 4 || (op1 & 0xf) == 6) { if ((op1 & 0xf) == 4 || (op1 & 0xf) == 6) {
tmp = PROGRAM(pc++); op |= PROGRAM(pc++) << 16; // immediate
*tcache_ptr++ = tmp; // immediate
} }
*tcache_ptr++ = op;
*tcache_ptr = (unsigned int) in_funcs[op1];
if (*tcache_ptr == 0) {
printf("NULL func! op=%08x (%02x)\n", op, op1);
exit(1);
}
tcache_ptr++;
if (op1 == 0x24 || op1 == 0x26 || // call, bra if (op1 == 0x24 || op1 == 0x26 || // call, bra
((op1 == 0 || op1 == 1 || op1 == 4 || op1 == 5 || op1 == 9 || op1 == 0x25) && ((op1 == 0 || op1 == 1 || op1 == 4 || op1 == 5 || op1 == 9 || op1 == 0x25) &&
(op & 0xf0) == 0x60)) { // ld PC (op & 0xf0) == 0x60)) { // ld PC
break; break;
} }
} }
*tcache_ptr++ = 0xfe01;
*tcache_ptr++ = 0xfe01; // end of block *tcache_ptr++ = 0xfe01; // end of block
//printf(" %i inst\n", icount); //printf(" %i inst\n", icount);
if (tcache_ptr - tcache > TCACHE_SIZE/2) { if (tcache_ptr - tcache > TCACHE_SIZE/4) {
printf("tcache overflow!\n"); printf("tcache overflow!\n");
fflush(stdout); fflush(stdout);
exit(1); exit(1);
@ -225,7 +696,7 @@ static void *translate_block(int pc)
// stats // stats
nblocks++; nblocks++;
//if (pc >= 0x400) //if (pc >= 0x400)
printf("%i blocks, %i bytes\n", nblocks, (tcache_ptr - tcache)*2); printf("%i blocks, %i bytes\n", nblocks, (tcache_ptr - tcache)*4);
return ret; return ret;
} }
@ -241,6 +712,7 @@ int ssp1601_dyn_init(void)
memset(block_table, 0, sizeof(block_table)); memset(block_table, 0, sizeof(block_table));
memset(block_table_iram, 0, sizeof(block_table_iram)); memset(block_table_iram, 0, sizeof(block_table_iram));
*tcache_ptr++ = 0xfe01; *tcache_ptr++ = 0xfe01;
*tcache_ptr++ = 0xfe01;
return 0; return 0;
} }
@ -252,34 +724,56 @@ void ssp1601_dyn_reset(ssp1601_t *ssp)
} }
static void ssp1601_run2(unsigned int *iPC)
{
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--;
}
}
void ssp1601_dyn_run(int cycles) void ssp1601_dyn_run(int cycles)
{ {
while (cycles > 0) while (cycles > 0)
{ {
int pc_old = rPC; unsigned int *iPC;
//int pc_old = rPC;
if (rPC < 0x800/2) if (rPC < 0x800/2)
{ {
if (iram_dirty) { if (iram_dirty) {
iram_context = get_iram_context(); iram_context = get_iram_context();
iram_dirty = 0; iram_dirty--;
} }
if (block_table_iram[iram_context][rPC] == NULL) if (block_table_iram[iram_context][rPC] == NULL)
block_table_iram[iram_context][rPC] = translate_block(rPC); block_table_iram[iram_context][rPC] = translate_block(rPC);
PC = block_table_iram[iram_context][rPC]; iPC = block_table_iram[iram_context][rPC];
} }
else else
{ {
if (block_table[rPC] == NULL) if (block_table[rPC] == NULL)
block_table[rPC] = translate_block(rPC); block_table[rPC] = translate_block(rPC);
PC = block_table[rPC]; iPC = block_table[rPC];
} }
had_jump = 0; had_jump = 0;
//printf("enter @ %04x, PC=%04x\n", (PC - tcache)<<1, rPC<<1); //printf("enter @ %04x, PC=%04x\n", (PC - tcache)<<1, rPC<<1);
ssp1601_run_local(0x10000); g_cycles = 0;
cycles -= 0x10000 - g_cycles; ssp1601_run2(iPC);
cycles += g_cycles;
/*
if (!had_jump) { if (!had_jump) {
// no jumps // no jumps
if (pc_old < 0x800/2) if (pc_old < 0x800/2)
@ -287,6 +781,7 @@ void ssp1601_dyn_run(int cycles)
else else
rPC += (PC - block_table[pc_old]) - 1; rPC += (PC - block_table[pc_old]) - 1;
} }
*/
//printf("end @ %04x, PC=%04x\n", (PC - tcache)<<1, rPC<<1); //printf("end @ %04x, PC=%04x\n", (PC - tcache)<<1, rPC<<1);
/* /*
if (pc_old < 0x400) { if (pc_old < 0x400) {

View file

@ -447,9 +447,6 @@ static u32 pm_io(int reg, int write, u32 d)
elprintf(EL_SVP, "ssp IRAM copy from %06x", (ssp->RAM1[0]-1)<<1); elprintf(EL_SVP, "ssp IRAM copy from %06x", (ssp->RAM1[0]-1)<<1);
#ifdef USE_DEBUGGER #ifdef USE_DEBUGGER
last_iram = (ssp->RAM1[0]-1)<<1; last_iram = (ssp->RAM1[0]-1)<<1;
#endif
#ifdef EMBED_INTERPRETER
iram_dirty = 1;
#endif #endif
} }
return 0; return 0;
@ -499,6 +496,9 @@ static u32 pm_io(int reg, int write, u32 d)
elprintf(EL_SVP, "ssp IRAM w [%06x] %04x (inc %i)", (addr<<1)&0x7ff, d, inc); elprintf(EL_SVP, "ssp IRAM w [%06x] %04x (inc %i)", (addr<<1)&0x7ff, d, inc);
((unsigned short *)svp->iram_rom)[addr&0x3ff] = d; ((unsigned short *)svp->iram_rom)[addr&0x3ff] = d;
ssp->pmac_write[reg] += inc; ssp->pmac_write[reg] += inc;
#ifdef EMBED_INTERPRETER
iram_dirty = 1;
#endif
} }
else else
{ {
@ -987,9 +987,6 @@ static void debug(unsigned int pc, unsigned int op)
#endif // USE_DEBUGGER #endif // USE_DEBUGGER
#ifdef EMBED_INTERPRETER
static
#endif
void ssp1601_reset(ssp1601_t *l_ssp) void ssp1601_reset(ssp1601_t *l_ssp)
{ {
ssp = l_ssp; ssp = l_ssp;
@ -1001,9 +998,6 @@ void ssp1601_reset(ssp1601_t *l_ssp)
} }
#ifdef EMBED_INTERPRETER
static
#endif
void ssp1601_run(int cycles) void ssp1601_run(int cycles)
{ {
#ifndef EMBED_INTERPRETER #ifndef EMBED_INTERPRETER