#include "../../PicoInt.h"
#include "compiler.h"
-static unsigned int *block_table[0x5090/2];
-static unsigned int *block_table_iram[15][0x800/2];
-static unsigned int block_ref[0x5090/2];
-static unsigned int block_ref_iram[15][0x800/2];
-static unsigned int *tcache_ptr = NULL;
+#define u32 unsigned int
+
+static u32 *block_table[0x5090/2];
+static u32 *block_table_iram[15][0x800/2];
+static u32 *tcache_ptr = NULL;
static int nblocks = 0;
-static int iram_context = 0;
+static int n_in_ops = 0;
+
+extern ssp1601_t *ssp;
+
+#define rPC ssp->gr[SSP_PC].h
+#define rPMC ssp->gr[SSP_PMC]
+
+#define SSP_FLAG_Z (1<<0xd)
+#define SSP_FLAG_N (1<<0xf)
#ifndef ARM
#define DUMP_BLOCK 0x0c9a
void regfile_store(void){}
#endif
-#define EMBED_INTERPRETER
-#define ssp1601_reset ssp1601_reset_local
-#define ssp1601_run ssp1601_run_local
-
-#define GET_PC() rPC
-#define GET_PPC_OFFS() (GET_PC()*2 - 2)
-#define SET_PC(d) { 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"
// -----------------------------------------------------
-// ld d, s
-static void op00(unsigned int op, unsigned int imm)
-{
- unsigned int tmpv;
- PC = ((unsigned short *)(void *)&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.
- 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()); SET_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)
+static int get_inc(int mode)
{
- do
- {
- int cond = 0;
- COND_CHECK
- if (cond) SET_PC(imm);
+ int inc = (mode >> 11) & 7;
+ if (inc != 0) {
+ if (inc != 7) inc--;
+ inc = 1 << inc; // 0 1 2 4 8 16 32 128
+ if (mode & 0x8000) inc = -inc; // decrement mode
}
- 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);
+ return inc;
}
-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 u32 ssp_pm_read(int reg)
{
u32 d = 0, mode;
return d;
}
+#define overwrite_write(dst, d) \
+{ \
+ if (d & 0xf000) { dst &= ~0xf000; dst |= d & 0xf000; } \
+ if (d & 0x0f00) { dst &= ~0x0f00; dst |= d & 0x0f00; } \
+ if (d & 0x00f0) { dst &= ~0x00f0; dst |= d & 0x00f0; } \
+ if (d & 0x000f) { dst &= ~0x000f; dst |= d & 0x000f; } \
+}
+
static void ssp_pm_write(u32 d, int reg)
{
unsigned short *dram;
13,14, 0, 0, 0, 0, 0, 0 // 38 39
};
-static int get_iram_context(void)
+int ssp_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];
tr_flush_dirty_ST();
EOP_LDR_IMM(1,7,0x484); // ldr r1, [r7, #0x484] // emu_status
EOP_TST_REG_SIMPLE(0,0);
- EOP_C_DOP_IMM(A_COND_EQ,A_OP_ADD,0,11,11,22/2,1); // addeq r11, r11, #1024
+ EOP_C_DOP_IMM(A_COND_EQ,A_OP_SUB,0,11,11,22/2,1); // subeq r11, r11, #1024
EOP_C_DOP_IMM(A_COND_EQ,A_OP_ORR,0, 1, 1,24/2,flag>>8); // orreq r1, r1, #SSP_WAIT_30FE08
EOP_STR_IMM(1,7,0x484); // str r1, [r7, #0x484] // emu_status
}
known_regb |= KRREG_PMC;
dirty_regb |= KRREG_PMC;
known_regs.emu_status |= SSP_PMC_SET;
+ n_in_ops++;
// check for possible reg programming
tmpv = PROGRAM(*pc);
dirty_regb |= is_write ? (1 << (reg+25)) : (1 << (reg+20));
known_regs.emu_status &= ~SSP_PMC_SET;
(*pc)++;
+ n_in_ops++;
return 5;
}
known_regb |= 1 << SSP_ST;
dirty_regb &= ~KRREG_ST;
(*pc) += 3*2;
+ n_in_ops += 3;
return 4*2;
}
EOP_ORR_REG_LSR(0, 0, 0, 16);
tr_bank_write(0);
(*pc) += 2;
+ n_in_ops += 2;
return 3;
}
tmpv = 1; // count
while (PROGRAM(*pc) == op && (op & 7) != 6) {
(*pc)++; tmpv++;
+ n_in_ops++;
}
if ((op&0xf0) != 0) // !always
tr_make_dirty_ST();
ret++; break;
}
+ n_in_ops++;
+
return ret;
}
-static void *translate_block(int pc)
+void *ssp_translate_block(int pc)
{
unsigned int op, op1, imm, ccount = 0;
unsigned int *block_start;
ret = translate_op(op, &pc, imm);
if (ret <= 0)
{
- tr_flush_dirty_prs();
- tr_flush_dirty_ST();
- tr_flush_dirty_pmcrs();
- known_regs.emu_status = 0;
-
- emit_mov_const(A_COND_AL, 0, op);
-
- // need immediate?
- if (imm != (u32)-1)
- emit_mov_const(A_COND_AL, 1, imm);
-
- // dump PC
- emit_pc_dump(pc);
-
- if (ret_prev > 0) emit_call(regfile_store);
- emit_call(in_funcs[op1]);
- emit_call(regfile_load);
-
- if (in_funcs[op1] == NULL) {
- printf("NULL func! op=%08x (%02x)\n", op, op1);
- exit(1);
- }
- ccount++;
- hostreg_clear();
- dirty_regb |= KRREG_P;
- known_regb = 0;
+ printf("NULL func! op=%08x (%02x)\n", op, op1);
+ exit(1);
}
else
{
// stats
nblocks++;
- printf("%i blocks, %i bytes\n", nblocks, (tcache_ptr - tcache)*4);
+ printf("%i blocks, %i bytes, k=%.3f\n", nblocks, (tcache_ptr - tcache)*4,
+ (double)(tcache_ptr - tcache) / (double)n_in_ops);
#ifdef DUMP_BLOCK
{
memset(tcache, 0, TCACHE_SIZE);
memset(block_table, 0, sizeof(block_table));
memset(block_table_iram, 0, sizeof(block_table_iram));
- memset(block_ref, 0, sizeof(block_ref));
- memset(block_ref_iram, 0, sizeof(block_ref_iram));
tcache_ptr = tcache;
*tcache_ptr++ = 0xffffffff;
#ifdef ARM
// hle'd blocks
block_table[0x400] = (void *) ssp_hle_800;
+ n_in_ops = 3; // # of hled ops
#endif
-// TODO: rm
-{
-static unsigned short dummy = 0;
-PC = &dummy;
-}
return 0;
}
void ssp1601_dyn_reset(ssp1601_t *ssp)
{
- int i, u, total = 0;
- for (i = 0; i < 0x5090/2; i++)
- total += block_ref[i];
- for (u = 1; u < 15; u++)
- for (i = 0; i < 0x800/2; i++)
- total += block_ref_iram[u][i];
-
- printf("total: %i\n", total);
- for (i = 0; i < 0x5090/2; i++)
- if (block_ref[i])
- printf("%07i %2.3f%% __:%04x\n", block_ref[i], (double)block_ref[i] / (double)total * 100.0, i<<1);
- for (u = 1; u < 15; u++)
- for (i = 0; i < 0x800/2; i++)
- if (block_ref_iram[u][i])
- printf("%07i %2.3f%% %02i:%04x\n", block_ref_iram[u][i],
- (double)block_ref_iram[u][i] / (double)total * 100.0, u, i<<1);
-
-
- ssp1601_reset_local(ssp);
- ssp->drc.ptr_rom = (unsigned int) Pico.rom;
- ssp->drc.ptr_iram_rom = (unsigned int) svp->iram_rom;
- ssp->drc.ptr_dram = (unsigned int) svp->dram;
- ssp->drc.iram_dirty = 0;
+ ssp1601_reset(ssp);
+ ssp->drc.iram_dirty = 1;
+ ssp->drc.iram_context = 0;
+ // must do this here because ssp is not available @ startup()
+ ssp->drc.ptr_rom = (u32) Pico.rom;
+ ssp->drc.ptr_iram_rom = (u32) svp->iram_rom;
+ ssp->drc.ptr_dram = (u32) svp->dram;
+ ssp->drc.ptr_btable = (u32) block_table;
+ ssp->drc.ptr_btable_iram = (u32) block_table_iram;
}
void ssp1601_dyn_run(int cycles)
{
if (ssp->emu_status & SSP_WAIT_MASK) return;
-#ifdef DUMP_BLOCK
- rPC = DUMP_BLOCK >> 1;
-#endif
- while (cycles > 0)
- {
- int (*trans_entry)(void);
- if (rPC < 0x800/2)
- {
- if (ssp->drc.iram_dirty) {
- iram_context = get_iram_context();
- ssp->drc.iram_dirty--;
- }
- if (block_table_iram[iram_context][rPC] == NULL)
- block_table_iram[iram_context][rPC] = translate_block(rPC);
- trans_entry = (void *) block_table_iram[iram_context][rPC];
- block_ref_iram[iram_context][rPC]++;
- }
- else
- {
- if (block_table[rPC] == NULL)
- block_table[rPC] = translate_block(rPC);
- trans_entry = (void *) block_table[rPC];
- block_ref[rPC]++;
- }
-
- cycles -= trans_entry();
- }
+ ssp_drc_entry(cycles);
}
notaz.gp2x.de / picodrive.git / commitdiff