X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=Pico%2Fcarthw%2Fsvp%2Fcompiler.c;h=f89ad95ff4d4099a7b1e85cb1550403c1699223f;hb=fad248933b6676d30ccf419858b4ee10cc123fc5;hp=36515e107c9f1de3be7e64069cfcc0d7bffb5eb3;hpb=892b1dd258c41e6ffa9555a172db1394b07e322d;p=picodrive.git diff --git a/Pico/carthw/svp/compiler.c b/Pico/carthw/svp/compiler.c index 36515e1..f89ad95 100644 --- a/Pico/carthw/svp/compiler.c +++ b/Pico/carthw/svp/compiler.c @@ -1,691 +1,1604 @@ -// 187 blocks, 12072 bytes -// 14 IRAM blocks #include "../../PicoInt.h" +#include "compiler.h" + +#define u32 unsigned int -#define TCACHE_SIZE (256*1024) -static unsigned int *block_table[0x5090/2]; -static unsigned int *block_table_iram[15][0x800/2]; -static unsigned int *tcache = NULL; -static unsigned int *tcache_ptr = NULL; +static u32 *block_table[0x5090/2]; +static u32 *block_table_iram[15][0x800/2]; +static u32 *tcache_ptr = NULL; -static int had_jump = 0; static int nblocks = 0; -static int iram_context = 0; +static int n_in_ops = 0; -#define EMBED_INTERPRETER -#define ssp1601_reset ssp1601_reset_local -#define ssp1601_run ssp1601_run_local +extern ssp1601_t *ssp; -static unsigned int interp_get_pc(void); +#define rPC ssp->gr[SSP_PC].h +#define rPMC ssp->gr[SSP_PMC] -#define GET_PC interp_get_pc -#define GET_PPC_OFFS() (interp_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 +#define SSP_FLAG_Z (1<<0xd) +#define SSP_FLAG_N (1<<0xf) -#include "ssp16.c" +#ifndef ARM +#define DUMP_BLOCK 0x0c9a +unsigned int tcache[512*1024]; +void regfile_load(void){} +void regfile_store(void){} +#endif + +#include "gen_arm.c" // ----------------------------------------------------- -// ld d, s -static void op00(unsigned int op, unsigned int imm) +static int get_inc(int mode) { - 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; + 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 } - else + return inc; +} + +static u32 ssp_pm_read(int reg) +{ + u32 d = 0, mode; + + if (ssp->emu_status & SSP_PMC_SET) { - tmpv = REG_READ(op & 0x0f); - REG_WRITE((op & 0xf0) >> 4, tmpv); + ssp->pmac_read[reg] = rPMC.v; + ssp->emu_status &= ~SSP_PMC_SET; + return 0; } + + // just in case + ssp->emu_status &= ~SSP_PMC_HAVE_ADDR; + + mode = ssp->pmac_read[reg]>>16; + if ((mode & 0xfff0) == 0x0800) // ROM + { + d = ((unsigned short *)Pico.rom)[ssp->pmac_read[reg]&0xfffff]; + ssp->pmac_read[reg] += 1; + } + else if ((mode & 0x47ff) == 0x0018) // DRAM + { + unsigned short *dram = (unsigned short *)svp->dram; + int inc = get_inc(mode); + d = dram[ssp->pmac_read[reg]&0xffff]; + ssp->pmac_read[reg] += inc; + } + + // PMC value corresponds to last PMR accessed + rPMC.v = ssp->pmac_read[reg]; + + return d; } -// 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); +#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; } \ } -// ld (ri), s -static void op02(unsigned int op, unsigned int imm) +static void ssp_pm_write(u32 d, int reg) { - unsigned int tmpv; - tmpv = REG_READ((op & 0xf0) >> 4); ptr1_write(op, tmpv); + unsigned short *dram; + int mode, addr; + + if (ssp->emu_status & SSP_PMC_SET) + { + ssp->pmac_write[reg] = rPMC.v; + ssp->emu_status &= ~SSP_PMC_SET; + return; + } + + // just in case + ssp->emu_status &= ~SSP_PMC_HAVE_ADDR; + + dram = (unsigned short *)svp->dram; + mode = ssp->pmac_write[reg]>>16; + addr = ssp->pmac_write[reg]&0xffff; + if ((mode & 0x43ff) == 0x0018) // DRAM + { + int inc = get_inc(mode); + if (mode & 0x0400) { + overwrite_write(dram[addr], d); + } else dram[addr] = d; + ssp->pmac_write[reg] += inc; + } + else if ((mode & 0xfbff) == 0x4018) // DRAM, cell inc + { + if (mode & 0x0400) { + overwrite_write(dram[addr], d); + } else dram[addr] = d; + ssp->pmac_write[reg] += (addr&1) ? 31 : 1; + } + else if ((mode & 0x47ff) == 0x001c) // IRAM + { + int inc = get_inc(mode); + ((unsigned short *)svp->iram_rom)[addr&0x3ff] = d; + ssp->pmac_write[reg] += inc; + ssp->drc.iram_dirty = 1; + } + + rPMC.v = ssp->pmac_write[reg]; } -// ldi d, imm -static void op04(unsigned int op, unsigned int imm) + +// ----------------------------------------------------- + +// 14 IRAM blocks +static unsigned char iram_context_map[] = { - REG_WRITE((op & 0xf0) >> 4, imm); -} + 0, 0, 0, 0, 1, 0, 0, 0, // 04 + 0, 0, 0, 0, 0, 0, 2, 0, // 0e + 0, 0, 0, 0, 0, 3, 0, 4, // 15 17 + 5, 0, 0, 6, 0, 7, 0, 0, // 18 1b 1d + 8, 9, 0, 0, 0,10, 0, 0, // 20 21 25 + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0,11, 0, 0,12, 0, 0, // 32 35 + 13,14, 0, 0, 0, 0, 0, 0 // 38 39 +}; -// ld d, ((ri)) -static void op05(unsigned int op, unsigned int imm) +int ssp_get_iram_context(void) { - unsigned int tmpv; - tmpv = ptr2_read(op); REG_WRITE((op & 0xf0) >> 4, tmpv); + unsigned char *ir = (unsigned char *)svp->iram_rom; + int val1, val = ir[0x083^1] + ir[0x4FA^1] + ir[0x5F7^1] + ir[0x47B^1]; + val1 = iram_context_map[(val>>1)&0x3f]; + + if (val1 == 0) { + printf("val: %02x PC=%04x\n", (val>>1)&0x3f, rPC); + //debug_dump2file(name, svp->iram_rom, 0x800); + exit(1); + } +// elprintf(EL_ANOMALY, "iram_context: %02i", val1); + return val1; } -// ldi (ri), imm -static void op06(unsigned int op, unsigned int imm) +// ----------------------------------------------------- + +/* regs with known values */ +static struct +{ + ssp_reg_t gr[8]; + unsigned char r[8]; + unsigned int pmac_read[5]; + unsigned int pmac_write[5]; + ssp_reg_t pmc; + unsigned int emu_status; +} known_regs; + +#define KRREG_X (1 << SSP_X) +#define KRREG_Y (1 << SSP_Y) +#define KRREG_A (1 << SSP_A) /* AH only */ +#define KRREG_ST (1 << SSP_ST) +#define KRREG_STACK (1 << SSP_STACK) +#define KRREG_PC (1 << SSP_PC) +#define KRREG_P (1 << SSP_P) +#define KRREG_PR0 (1 << 8) +#define KRREG_PR4 (1 << 12) +#define KRREG_AL (1 << 16) +#define KRREG_PMCM (1 << 18) /* only mode word of PMC */ +#define KRREG_PMC (1 << 19) +#define KRREG_PM0R (1 << 20) +#define KRREG_PM1R (1 << 21) +#define KRREG_PM2R (1 << 22) +#define KRREG_PM3R (1 << 23) +#define KRREG_PM4R (1 << 24) +#define KRREG_PM0W (1 << 25) +#define KRREG_PM1W (1 << 26) +#define KRREG_PM2W (1 << 27) +#define KRREG_PM3W (1 << 28) +#define KRREG_PM4W (1 << 29) + +/* bitfield of known register values */ +static u32 known_regb = 0; + +/* known vals, which need to be flushed + * (only ST, P, r0-r7, PMCx, PMxR, PMxW) + * ST means flags are being held in ARM PSR + * P means that it needs to be recalculated + */ +static u32 dirty_regb = 0; + +/* known values of host regs. + * -1 - unknown + * 000000-00ffff - 16bit value + * 100000-10ffff - base reg (r7) + 16bit val + * 0r0000 - means reg (low) eq gr[r].h, r != AL + */ +static int hostreg_r[4]; + +static void hostreg_clear(void) { - ptr1_write(op, imm); + int i; + for (i = 0; i < 4; i++) + hostreg_r[i] = -1; } -// ld adr, a -static void op07(unsigned int op, unsigned int imm) +static void hostreg_sspreg_changed(int sspreg) { - ssp->RAM[op & 0x1ff] = rA; + int i; + for (i = 0; i < 4; i++) + if (hostreg_r[i] == (sspreg<<16)) hostreg_r[i] = -1; } -// ld d, ri -static void op09(unsigned int op, unsigned int imm) + +#define PROGRAM(x) ((unsigned short *)svp->iram_rom)[x] +#define PROGRAM_P(x) ((unsigned short *)svp->iram_rom + (x)) + +static void tr_unhandled(void) { - unsigned int tmpv; - tmpv = rIJ[(op&3)|((op>>6)&4)]; REG_WRITE((op & 0xf0) >> 4, tmpv); + FILE *f = fopen("tcache.bin", "wb"); + fwrite(tcache, 1, (tcache_ptr - tcache)*4, f); + fclose(f); + printf("unhandled @ %04x\n", known_regs.gr[SSP_PC].h<<1); + exit(1); } -// ld ri, s -static void op0a(unsigned int op, unsigned int imm) +/* update P, if needed. Trashes r0 */ +static void tr_flush_dirty_P(void) { - rIJ[(op&3)|((op>>6)&4)] = REG_READ((op & 0xf0) >> 4); + // TODO: const regs + if (!(dirty_regb & KRREG_P)) return; + EOP_MOV_REG_ASR(10, 4, 16); // mov r10, r4, asr #16 + EOP_MOV_REG_LSL( 0, 4, 16); // mov r0, r4, lsl #16 + EOP_MOV_REG_ASR( 0, 0, 15); // mov r0, r0, asr #15 + EOP_MUL(10, 0, 10); // mul r10, r0, r10 + dirty_regb &= ~KRREG_P; + hostreg_r[0] = -1; } -// ldi ri, simm (also op0d op0e op0f) -static void op0c(unsigned int op, unsigned int imm) +/* write dirty pr to host reg. Nothing is trashed */ +static void tr_flush_dirty_pr(int r) { - rIJ[(op>>8)&7] = op; + int ror = 0, reg; + + if (!(dirty_regb & (1 << (r+8)))) return; + + switch (r&3) { + case 0: ror = 0; break; + case 1: ror = 24/2; break; + case 2: ror = 16/2; break; + } + reg = (r < 4) ? 8 : 9; + EOP_BIC_IMM(reg,reg,ror,0xff); + if (known_regs.r[r] != 0) + EOP_ORR_IMM(reg,reg,ror,known_regs.r[r]); + dirty_regb &= ~(1 << (r+8)); } -// call cond, addr -static void op24(unsigned int op, unsigned int imm) +/* write all dirty pr0-pr7 to host regs. Nothing is trashed */ +static void tr_flush_dirty_prs(void) { - int cond = 0; - do { - COND_CHECK - if (cond) { int new_PC = imm; write_STACK(GET_PC()); write_PC(new_PC); } + int i, ror = 0, reg; + int dirty = dirty_regb >> 8; + /* r0-r7 */ + for (i = 0; dirty && i < 8; i++, dirty >>= 1) + { + if (!(dirty&1)) continue; + switch (i&3) { + case 0: ror = 0; break; + case 1: ror = 24/2; break; + case 2: ror = 16/2; break; + } + reg = (i < 4) ? 8 : 9; + EOP_BIC_IMM(reg,reg,ror,0xff); + if (known_regs.r[i] != 0) + EOP_ORR_IMM(reg,reg,ror,known_regs.r[i]); } - while (0); + dirty_regb &= ~0xff00; } -// ld d, (a) -static void op25(unsigned int op, unsigned int imm) +/* write dirty pr and "forget" it. Nothing is trashed. */ +static void tr_release_pr(int r) { - unsigned int tmpv; - tmpv = ((unsigned short *)svp->iram_rom)[rA]; REG_WRITE((op & 0xf0) >> 4, tmpv); + tr_flush_dirty_pr(r); + known_regb &= ~(1 << (r+8)); } -// bra cond, addr -static void op26(unsigned int op, unsigned int imm) +/* fush ARM PSR to r6. Trashes r1 */ +static void tr_flush_dirty_ST(void) { - do - { - int cond = 0; - COND_CHECK - if (cond) write_PC(imm); - } - while(0); + if (!(dirty_regb & KRREG_ST)) return; + EOP_BIC_IMM(6,6,0,0x0f); + EOP_MRS(1); + EOP_ORR_REG_LSR(6,6,1,28); + dirty_regb &= ~KRREG_ST; + hostreg_r[1] = -1; } -// mod cond, op -static void op48(unsigned int op, unsigned int imm) +/* inverse of above. Trashes r1 */ +static void tr_make_dirty_ST(void) { - 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 // ? - } + if (dirty_regb & KRREG_ST) return; + if (known_regb & KRREG_ST) { + int flags = 0; + if (known_regs.gr[SSP_ST].h & SSP_FLAG_N) flags |= 8; + if (known_regs.gr[SSP_ST].h & SSP_FLAG_Z) flags |= 4; + EOP_MSR_IMM(4/2, flags); + } else { + EOP_MOV_REG_LSL(1, 6, 28); + EOP_MSR_REG(1); + hostreg_r[1] = -1; } - while(0); + dirty_regb |= KRREG_ST; } -// mpys? -static void op1b(unsigned int op, unsigned int imm) +/* load 16bit val into host reg r0-r3. Nothing is trashed */ +static void tr_mov16(int r, int val) { - 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 + if (hostreg_r[r] != val) { + emit_mov_const(A_COND_AL, r, val); + hostreg_r[r] = val; + } } -// mpya (rj), (ri), b -static void op4b(unsigned int op, unsigned int imm) +static void tr_mov16_cond(int cond, int r, int val) { - 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 + emit_mov_const(cond, r, val); + hostreg_r[r] = -1; } -// mld (rj), (ri), b -static void op5b(unsigned int op, unsigned int imm) +/* trashes r0 */ +static void tr_flush_dirty_pmcrs(void) { - 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 -} + u32 i, val = (u32)-1; + if (!(dirty_regb & 0x3ff80000)) return; -// OP a, s -static void op10(unsigned int op, unsigned int imm) -{ - do + if (dirty_regb & KRREG_PMC) { + val = known_regs.pmc.v; + emit_mov_const(A_COND_AL, 1, val); + EOP_STR_IMM(1,7,0x400+SSP_PMC*4); + + if (known_regs.emu_status & (SSP_PMC_SET|SSP_PMC_HAVE_ADDR)) { + printf("!! SSP_PMC_SET|SSP_PMC_HAVE_ADDR set on flush\n"); + tr_unhandled(); + } + } + for (i = 0; i < 5; i++) { - unsigned int tmpv; - OP_CHECK32(OP_SUBA32); tmpv = REG_READ(op & 0x0f); OP_SUBA(tmpv); + if (dirty_regb & (1 << (20+i))) { + if (val != known_regs.pmac_read[i]) { + val = known_regs.pmac_read[i]; + emit_mov_const(A_COND_AL, 1, val); + } + EOP_STR_IMM(1,7,0x454+i*4); // pmac_read + } + if (dirty_regb & (1 << (25+i))) { + if (val != known_regs.pmac_write[i]) { + val = known_regs.pmac_write[i]; + emit_mov_const(A_COND_AL, 1, val); + } + EOP_STR_IMM(1,7,0x46c+i*4); // pmac_write + } } - while(0); + dirty_regb &= ~0x3ff80000; + hostreg_r[1] = -1; } -static void op30(unsigned int op, unsigned int imm) +/* read bank word to r0 (upper bits zero). Thrashes r1. */ +static void tr_bank_read(int addr) /* word addr 0-0x1ff */ { - do - { - unsigned int tmpv; - OP_CHECK32(OP_CMPA32); tmpv = REG_READ(op & 0x0f); OP_CMPA(tmpv); + int breg = 7; + if (addr > 0x7f) { + if (hostreg_r[1] != (0x100000|((addr&0x180)<<1))) { + EOP_ADD_IMM(1,7,30/2,(addr&0x180)>>1); // add r1, r7, ((op&0x180)<<1) + hostreg_r[1] = 0x100000|((addr&0x180)<<1); + } + breg = 1; } - while(0); + EOP_LDRH_IMM(0,breg,(addr&0x7f)<<1); // ldrh r0, [r1, (op&0x7f)<<1] + hostreg_r[0] = -1; } -static void op40(unsigned int op, unsigned int imm) +/* write r0 to bank. Trashes r1. */ +static void tr_bank_write(int addr) { - do - { - unsigned int tmpv; - OP_CHECK32(OP_ADDA32); tmpv = REG_READ(op & 0x0f); OP_ADDA(tmpv); + int breg = 7; + if (addr > 0x7f) { + if (hostreg_r[1] != (0x100000|((addr&0x180)<<1))) { + EOP_ADD_IMM(1,7,30/2,(addr&0x180)>>1); // add r1, r7, ((op&0x180)<<1) + hostreg_r[1] = 0x100000|((addr&0x180)<<1); + } + breg = 1; } - while(0); + EOP_STRH_IMM(0,breg,(addr&0x7f)<<1); // strh r0, [r1, (op&0x7f)<<1] } -static void op50(unsigned int op, unsigned int imm) +/* handle RAM bank pointer modifiers. if need_modulo, trash r1-r3, else nothing */ +static void tr_ptrr_mod(int r, int mod, int need_modulo, int count) { - do + int modulo_shift = -1; /* unknown */ + + if (mod == 0) return; + + if (!need_modulo || mod == 1) // +! + modulo_shift = 8; + else if (need_modulo && (known_regb & KRREG_ST)) { + modulo_shift = known_regs.gr[SSP_ST].h & 7; + if (modulo_shift == 0) modulo_shift = 8; + } + + if (modulo_shift == -1) { - unsigned int tmpv; - OP_CHECK32(OP_ANDA32); tmpv = REG_READ(op & 0x0f); OP_ANDA(tmpv); + int reg = (r < 4) ? 8 : 9; + tr_release_pr(r); + if (dirty_regb & KRREG_ST) { + // avoid flushing ARM flags + EOP_AND_IMM(1, 6, 0, 0x70); + EOP_SUB_IMM(1, 1, 0, 0x10); + EOP_AND_IMM(1, 1, 0, 0x70); + EOP_ADD_IMM(1, 1, 0, 0x10); + } else { + EOP_C_DOP_IMM(A_COND_AL,A_OP_AND,1,6,1,0,0x70); // ands r1, r6, #0x70 + EOP_C_DOP_IMM(A_COND_EQ,A_OP_MOV,0,0,1,0,0x80); // moveq r1, #0x80 + } + EOP_MOV_REG_LSR(1, 1, 4); // mov r1, r1, lsr #4 + EOP_RSB_IMM(2, 1, 0, 8); // rsb r1, r1, #8 + EOP_MOV_IMM(3, 8/2, count); // mov r3, #0x01000000 + if (r&3) + EOP_ADD_IMM(1, 1, 0, (r&3)*8); // add r1, r1, #(r&3)*8 + EOP_MOV_REG2_ROR(reg,reg,1); // mov reg, reg, ror r1 + if (mod == 2) + EOP_SUB_REG2_LSL(reg,reg,3,2); // sub reg, reg, #0x01000000 << r2 + else EOP_ADD_REG2_LSL(reg,reg,3,2); + EOP_RSB_IMM(1, 1, 0, 32); // rsb r1, r1, #32 + EOP_MOV_REG2_ROR(reg,reg,1); // mov reg, reg, ror r1 + hostreg_r[1] = hostreg_r[2] = hostreg_r[3] = -1; + } + else if (known_regb & (1 << (r + 8))) + { + int modulo = (1 << modulo_shift) - 1; + if (mod == 2) + known_regs.r[r] = (known_regs.r[r] & ~modulo) | ((known_regs.r[r] - count) & modulo); + else known_regs.r[r] = (known_regs.r[r] & ~modulo) | ((known_regs.r[r] + count) & modulo); + } + else + { + int reg = (r < 4) ? 8 : 9; + int ror = ((r&3) + 1)*8 - (8 - modulo_shift); + EOP_MOV_REG_ROR(reg,reg,ror); + // {add|sub} reg, reg, #1<>2) & 3; // direct addressing + tr_bank_write((op & 0x100) + mod); + } + else { - unsigned int tmpv; - OP_CHECK32(OP_ORA32 ); tmpv = REG_READ(op & 0x0f); OP_ORA (tmpv); + int r = (op&3) | ((op>>6)&4); + if (known_regb & (1 << (r + 8))) { + tr_bank_write((op&0x100) | known_regs.r[r]); + } else { + int reg = (r < 4) ? 8 : 9; + int ror = ((4 - (r&3))*8) & 0x1f; + EOP_AND_IMM(1,reg,ror/2,0xff); // and r1, r{7,8}, + if (r >= 4) + EOP_ORR_IMM(1,1,((ror-8)&0x1f)/2,1); // orr r1, r1, 1<>2) & 3, 0, 1); } - while(0); } -static void op70(unsigned int op, unsigned int imm) +/* read (rX) to r0. Trashes r1-r3. */ +static void tr_rX_read(int r, int mod) { - do + if ((r&3) == 3) { - unsigned int tmpv; - OP_CHECK32(OP_EORA32); tmpv = REG_READ(op & 0x0f); OP_EORA(tmpv); + tr_bank_read(((r << 6) & 0x100) + mod); // direct addressing + } + else + { + if (known_regb & (1 << (r + 8))) { + tr_bank_read(((r << 6) & 0x100) | known_regs.r[r]); + } else { + int reg = (r < 4) ? 8 : 9; + int ror = ((4 - (r&3))*8) & 0x1f; + EOP_AND_IMM(1,reg,ror/2,0xff); // and r1, r{7,8}, + if (r >= 4) + EOP_ORR_IMM(1,1,((ror-8)&0x1f)/2,1); // orr r1, r1, 1<>6)&4); // src + + if ((r&3) == 3) { + tr_bank_read((op&0x100) | ((op>>2)&3)); + } else if (known_regb & (1 << (r+8))) { + tr_bank_read((op&0x100) | known_regs.r[r]); + } else { + int reg = (r < 4) ? 8 : 9; + int ror = ((4 - (r&3))*8) & 0x1f; + EOP_AND_IMM(1,reg,ror/2,0xff); // and r1, r{7,8}, + if (r >= 4) + EOP_ORR_IMM(1,1,((ror-8)&0x1f)/2,1); // orr r1, r1, 1<>2)&3)); + } else if (known_regb & (1 << (r+8))) { + tr_bank_write((op&0x100) | known_regs.r[r]); + } else { + EOP_STRH_SIMPLE(0,1); // strh r0, [r1] + hostreg_r[1] = -1; + } + EOP_LDRH_SIMPLE(0,2); // ldrh r0, [r2] + hostreg_r[0] = hostreg_r[2] = -1; +} + +/* get ARM cond which would mean that SSP cond is satisfied. No trash. */ +static int tr_cond_check(int op) +{ + int f = (op & 0x100) >> 8; + switch (op&0xf0) { + case 0x00: return A_COND_AL; /* always true */ + case 0x50: /* Z matches f(?) bit */ + if (dirty_regb & KRREG_ST) return f ? A_COND_EQ : A_COND_NE; + EOP_TST_IMM(6, 0, 4); + return f ? A_COND_NE : A_COND_EQ; + case 0x70: /* N matches f(?) bit */ + if (dirty_regb & KRREG_ST) return f ? A_COND_MI : A_COND_PL; + EOP_TST_IMM(6, 0, 8); + return f ? A_COND_NE : A_COND_EQ; + default: + printf("unimplemented cond?\n"); + tr_unhandled(); + return 0; + } } -static void op31(unsigned int op, unsigned int imm) +static int tr_neg_cond(int cond) { - unsigned int tmpv; - tmpv = ptr1_read(op); OP_CMPA(tmpv); + switch (cond) { + case A_COND_AL: printf("neg for AL?\n"); exit(1); + case A_COND_EQ: return A_COND_NE; + case A_COND_NE: return A_COND_EQ; + case A_COND_MI: return A_COND_PL; + case A_COND_PL: return A_COND_MI; + default: printf("bad cond for neg\n"); exit(1); + } + return 0; } -static void op41(unsigned int op, unsigned int imm) +static int tr_aop_ssp2arm(int op) { - unsigned int tmpv; - tmpv = ptr1_read(op); OP_ADDA(tmpv); -} + switch (op) { + case 1: return A_OP_SUB; + case 3: return A_OP_CMP; + case 4: return A_OP_ADD; + case 5: return A_OP_AND; + case 6: return A_OP_ORR; + case 7: return A_OP_EOR; + } -static void op51(unsigned int op, unsigned int imm) -{ - unsigned int tmpv; - tmpv = ptr1_read(op); OP_ANDA(tmpv); + tr_unhandled(); + return 0; } -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); -} +//@ r4: XXYY +//@ r5: A +//@ r6: STACK and emu flags +//@ r7: SSP context +//@ r10: P -// OP a, adr -static void op03(unsigned int op, unsigned int imm) +// read general reg to r0. Trashes r1 +static void tr_GR0_to_r0(int op) { - unsigned int tmpv; - tmpv = ssp->RAM[op & 0x1ff]; OP_LDA (tmpv); + tr_mov16(0, 0xffff); } -static void op13(unsigned int op, unsigned int imm) +static void tr_X_to_r0(int op) { - unsigned int tmpv; - tmpv = ssp->RAM[op & 0x1ff]; OP_SUBA(tmpv); + if (hostreg_r[0] != (SSP_X<<16)) { + EOP_MOV_REG_LSR(0, 4, 16); // mov r0, r4, lsr #16 + hostreg_r[0] = SSP_X<<16; + } } -static void op33(unsigned int op, unsigned int imm) +static void tr_Y_to_r0(int op) { - unsigned int tmpv; - tmpv = ssp->RAM[op & 0x1ff]; OP_CMPA(tmpv); + if (hostreg_r[0] != (SSP_Y<<16)) { + EOP_MOV_REG_SIMPLE(0, 4); // mov r0, r4 + hostreg_r[0] = SSP_Y<<16; + } } -static void op43(unsigned int op, unsigned int imm) +static void tr_A_to_r0(int op) { - unsigned int tmpv; - tmpv = ssp->RAM[op & 0x1ff]; OP_ADDA(tmpv); + if (hostreg_r[0] != (SSP_A<<16)) { + EOP_MOV_REG_LSR(0, 5, 16); // mov r0, r5, lsr #16 @ AH + hostreg_r[0] = SSP_A<<16; + } } -static void op53(unsigned int op, unsigned int imm) +static void tr_ST_to_r0(int op) { - unsigned int tmpv; - tmpv = ssp->RAM[op & 0x1ff]; OP_ANDA(tmpv); + // VR doesn't need much accuracy here.. + EOP_MOV_REG_LSR(0, 6, 4); // mov r0, r6, lsr #4 + EOP_AND_IMM(0, 0, 0, 0x67); // and r0, r0, #0x67 + hostreg_r[0] = -1; } -static void op63(unsigned int op, unsigned int imm) +static void tr_STACK_to_r0(int op) { - unsigned int tmpv; - tmpv = ssp->RAM[op & 0x1ff]; OP_ORA (tmpv); + // 448 + EOP_SUB_IMM(6, 6, 8/2, 0x20); // sub r6, r6, #1<<29 + EOP_ADD_IMM(1, 7, 24/2, 0x04); // add r1, r7, 0x400 + EOP_ADD_IMM(1, 1, 0, 0x48); // add r1, r1, 0x048 + EOP_ADD_REG_LSR(1, 1, 6, 28); // add r1, r1, r6, lsr #28 + EOP_LDRH_SIMPLE(0, 1); // ldrh r0, [r1] + hostreg_r[0] = hostreg_r[1] = -1; } -static void op73(unsigned int op, unsigned int imm) +static void tr_PC_to_r0(int op) { - unsigned int tmpv; - tmpv = ssp->RAM[op & 0x1ff]; OP_EORA(tmpv); + tr_mov16(0, known_regs.gr[SSP_PC].h); } -// OP a, imm -static void op14(unsigned int op, unsigned int imm) +static void tr_P_to_r0(int op) { - OP_SUBA(imm); + tr_flush_dirty_P(); + EOP_MOV_REG_LSR(0, 10, 16); // mov r0, r10, lsr #16 + hostreg_r[0] = -1; } -static void op34(unsigned int op, unsigned int imm) +static void tr_AL_to_r0(int op) { - OP_CMPA(imm); + if (op == 0x000f) { + if (known_regb & KRREG_PMC) { + known_regs.emu_status &= ~(SSP_PMC_SET|SSP_PMC_HAVE_ADDR); + } else { + EOP_LDR_IMM(0,7,0x484); // ldr r1, [r7, #0x484] // emu_status + EOP_BIC_IMM(0,0,0,SSP_PMC_SET|SSP_PMC_HAVE_ADDR); + EOP_STR_IMM(0,7,0x484); + } + } + + if (hostreg_r[0] != (SSP_AL<<16)) { + EOP_MOV_REG_SIMPLE(0, 5); // mov r0, r5 + hostreg_r[0] = SSP_AL<<16; + } } -static void op44(unsigned int op, unsigned int imm) +static void tr_PMX_to_r0(int reg) { - OP_ADDA(imm); + if ((known_regb & KRREG_PMC) && (known_regs.emu_status & SSP_PMC_SET)) + { + known_regs.pmac_read[reg] = known_regs.pmc.v; + known_regs.emu_status &= ~SSP_PMC_SET; + known_regb |= 1 << (20+reg); + dirty_regb |= 1 << (20+reg); + return; + } + + if ((known_regb & KRREG_PMC) && (known_regb & (1 << (20+reg)))) + { + u32 pmcv = known_regs.pmac_read[reg]; + int mode = pmcv>>16; + known_regs.emu_status &= ~SSP_PMC_HAVE_ADDR; + + if ((mode & 0xfff0) == 0x0800) + { + EOP_LDR_IMM(1,7,0x488); // rom_ptr + emit_mov_const(A_COND_AL, 0, (pmcv&0xfffff)<<1); + EOP_LDRH_REG(0,1,0); // ldrh r0, [r1, r0] + known_regs.pmac_read[reg] += 1; + } + else if ((mode & 0x47ff) == 0x0018) // DRAM + { + int inc = get_inc(mode); + EOP_LDR_IMM(1,7,0x490); // dram_ptr + emit_mov_const(A_COND_AL, 0, (pmcv&0xffff)<<1); + EOP_LDRH_REG(0,1,0); // ldrh r0, [r1, r0] + if (reg == 4 && (pmcv == 0x187f03 || pmcv == 0x187f04)) // wait loop detection + { + int flag = (pmcv == 0x187f03) ? SSP_WAIT_30FE06 : SSP_WAIT_30FE08; + 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_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_regs.pmac_read[reg] += inc; + } + else + { + tr_unhandled(); + } + known_regs.pmc.v = known_regs.pmac_read[reg]; + //known_regb |= KRREG_PMC; + dirty_regb |= KRREG_PMC; + dirty_regb |= 1 << (20+reg); + hostreg_r[0] = hostreg_r[1] = -1; + return; + } + + known_regb &= ~KRREG_PMC; + dirty_regb &= ~KRREG_PMC; + known_regb &= ~(1 << (20+reg)); + dirty_regb &= ~(1 << (20+reg)); + + // call the C code to handle this + tr_flush_dirty_ST(); + //tr_flush_dirty_pmcrs(); + tr_mov16(0, reg); + emit_call(ssp_pm_read); + hostreg_clear(); } -static void op54(unsigned int op, unsigned int imm) +static void tr_PM0_to_r0(int op) { - OP_ANDA(imm); + tr_PMX_to_r0(0); } -static void op64(unsigned int op, unsigned int imm) +static void tr_PM1_to_r0(int op) { - OP_ORA (imm); + tr_PMX_to_r0(1); } -static void op74(unsigned int op, unsigned int imm) +static void tr_PM2_to_r0(int op) { - OP_EORA(imm); + tr_PMX_to_r0(2); } -// OP a, ((ri)) -static void op15(unsigned int op, unsigned int imm) +static void tr_XST_to_r0(int op) { - unsigned int tmpv; - tmpv = ptr2_read(op); OP_SUBA(tmpv); + EOP_ADD_IMM(0, 7, 24/2, 4); // add r0, r7, #0x400 + EOP_LDRH_IMM(0, 0, SSP_XST*4+2); } -static void op35(unsigned int op, unsigned int imm) +static void tr_PM4_to_r0(int op) { - unsigned int tmpv; - tmpv = ptr2_read(op); OP_CMPA(tmpv); + tr_PMX_to_r0(4); } -static void op45(unsigned int op, unsigned int imm) +static void tr_PMC_to_r0(int op) { - unsigned int tmpv; - tmpv = ptr2_read(op); OP_ADDA(tmpv); + if (known_regb & KRREG_PMC) + { + if (known_regs.emu_status & SSP_PMC_HAVE_ADDR) { + known_regs.emu_status |= SSP_PMC_SET; + known_regs.emu_status &= ~SSP_PMC_HAVE_ADDR; + // do nothing - this is handled elsewhere + } else { + tr_mov16(0, known_regs.pmc.l); + known_regs.emu_status |= SSP_PMC_HAVE_ADDR; + } + } + else + { + EOP_LDR_IMM(1,7,0x484); // ldr r1, [r7, #0x484] // emu_status + tr_flush_dirty_ST(); + if (op != 0x000e) + EOP_LDR_IMM(0, 7, 0x400+SSP_PMC*4); + EOP_TST_IMM(1, 0, SSP_PMC_HAVE_ADDR); + EOP_C_DOP_IMM(A_COND_EQ,A_OP_ORR,0, 1, 1, 0, SSP_PMC_HAVE_ADDR); // orreq r1, r1, #.. + EOP_C_DOP_IMM(A_COND_NE,A_OP_BIC,0, 1, 1, 0, SSP_PMC_HAVE_ADDR); // bicne r1, r1, #.. + EOP_C_DOP_IMM(A_COND_NE,A_OP_ORR,0, 1, 1, 0, SSP_PMC_SET); // orrne r1, r1, #.. + EOP_STR_IMM(1,7,0x484); + hostreg_r[0] = hostreg_r[1] = -1; + } } -static void op55(unsigned int op, unsigned int imm) + +typedef void (tr_read_func)(int op); + +static tr_read_func *tr_read_funcs[16] = { - unsigned int tmpv; - tmpv = ptr2_read(op); OP_ANDA(tmpv); + tr_GR0_to_r0, + tr_X_to_r0, + tr_Y_to_r0, + tr_A_to_r0, + tr_ST_to_r0, + tr_STACK_to_r0, + tr_PC_to_r0, + tr_P_to_r0, + tr_PM0_to_r0, + tr_PM1_to_r0, + tr_PM2_to_r0, + tr_XST_to_r0, + tr_PM4_to_r0, + (tr_read_func *)tr_unhandled, + tr_PMC_to_r0, + tr_AL_to_r0 +}; + + +// write r0 to general reg handlers. Trashes r1 +#define TR_WRITE_R0_TO_REG(reg) \ +{ \ + hostreg_sspreg_changed(reg); \ + hostreg_r[0] = (reg)<<16; \ + if (const_val != -1) { \ + known_regs.gr[reg].h = const_val; \ + known_regb |= 1 << (reg); \ + } else { \ + known_regb &= ~(1 << (reg)); \ + } \ } -static void op65(unsigned int op, unsigned int imm) +static void tr_r0_to_GR0(int const_val) { - unsigned int tmpv; - tmpv = ptr2_read(op); OP_ORA (tmpv); + // do nothing } -static void op75(unsigned int op, unsigned int imm) +static void tr_r0_to_X(int const_val) { - unsigned int tmpv; - tmpv = ptr2_read(op); OP_EORA(tmpv); + EOP_MOV_REG_LSL(4, 4, 16); // mov r4, r4, lsl #16 + EOP_MOV_REG_LSR(4, 4, 16); // mov r4, r4, lsr #16 + EOP_ORR_REG_LSL(4, 4, 0, 16); // orr r4, r4, r0, lsl #16 + dirty_regb |= KRREG_P; // touching X or Y makes P dirty. + TR_WRITE_R0_TO_REG(SSP_X); } -// OP a, ri -static void op19(unsigned int op, unsigned int imm) +static void tr_r0_to_Y(int const_val) { - unsigned int tmpv; - tmpv = rIJ[IJind]; OP_SUBA(tmpv); + EOP_MOV_REG_LSR(4, 4, 16); // mov r4, r4, lsr #16 + EOP_ORR_REG_LSL(4, 4, 0, 16); // orr r4, r4, r0, lsl #16 + EOP_MOV_REG_ROR(4, 4, 16); // mov r4, r4, ror #16 + dirty_regb |= KRREG_P; + TR_WRITE_R0_TO_REG(SSP_Y); } -static void op39(unsigned int op, unsigned int imm) +static void tr_r0_to_A(int const_val) { - unsigned int tmpv; - tmpv = rIJ[IJind]; OP_CMPA(tmpv); + EOP_MOV_REG_LSL(5, 5, 16); // mov r5, r5, lsl #16 + EOP_MOV_REG_LSR(5, 5, 16); // mov r5, r5, lsr #16 @ AL + EOP_ORR_REG_LSL(5, 5, 0, 16); // orr r5, r5, r0, lsl #16 + TR_WRITE_R0_TO_REG(SSP_A); } -static void op49(unsigned int op, unsigned int imm) +static void tr_r0_to_ST(int const_val) { - unsigned int tmpv; - tmpv = rIJ[IJind]; OP_ADDA(tmpv); + // VR doesn't need much accuracy here.. + EOP_AND_IMM(1, 0, 0, 0x67); // and r1, r0, #0x67 + EOP_AND_IMM(6, 6, 8/2, 0xe0); // and r6, r6, #7<<29 @ preserve STACK + EOP_ORR_REG_LSL(6, 6, 1, 4); // orr r6, r6, r1, lsl #4 + TR_WRITE_R0_TO_REG(SSP_ST); + hostreg_r[1] = -1; + dirty_regb &= ~KRREG_ST; } -static void op59(unsigned int op, unsigned int imm) +static void tr_r0_to_STACK(int const_val) { - unsigned int tmpv; - tmpv = rIJ[IJind]; OP_ANDA(tmpv); + // 448 + EOP_ADD_IMM(1, 7, 24/2, 0x04); // add r1, r7, 0x400 + EOP_ADD_IMM(1, 1, 0, 0x48); // add r1, r1, 0x048 + EOP_ADD_REG_LSR(1, 1, 6, 28); // add r1, r1, r6, lsr #28 + EOP_STRH_SIMPLE(0, 1); // strh r0, [r1] + EOP_ADD_IMM(6, 6, 8/2, 0x20); // add r6, r6, #1<<29 + hostreg_r[1] = -1; } -static void op69(unsigned int op, unsigned int imm) +static void tr_r0_to_PC(int const_val) { - unsigned int tmpv; - tmpv = rIJ[IJind]; OP_ORA (tmpv); + EOP_MOV_REG_LSL(1, 0, 16); // mov r1, r0, lsl #16 + EOP_STR_IMM(1,7,0x400+6*4); // str r1, [r7, #(0x400+6*8)] + hostreg_r[1] = -1; } -static void op79(unsigned int op, unsigned int imm) +static void tr_r0_to_AL(int const_val) { - unsigned int tmpv; - tmpv = rIJ[IJind]; OP_EORA(tmpv); + EOP_MOV_REG_LSR(5, 5, 16); // mov r5, r5, lsr #16 + EOP_ORR_REG_LSL(5, 5, 0, 16); // orr r5, r5, r0, lsl #16 + EOP_MOV_REG_ROR(5, 5, 16); // mov r5, r5, ror #16 + hostreg_sspreg_changed(SSP_AL); + if (const_val != -1) { + known_regs.gr[SSP_A].l = const_val; + known_regb |= 1 << SSP_AL; + } else + known_regb &= ~(1 << SSP_AL); } -// OP simm -static void op1c(unsigned int op, unsigned int imm) +static void tr_r0_to_PMX(int reg) { - OP_SUBA(op & 0xff); + if ((known_regb & KRREG_PMC) && (known_regs.emu_status & SSP_PMC_SET)) + { + known_regs.pmac_write[reg] = known_regs.pmc.v; + known_regs.emu_status &= ~SSP_PMC_SET; + known_regb |= 1 << (25+reg); + dirty_regb |= 1 << (25+reg); + return; + } + + if ((known_regb & KRREG_PMC) && (known_regb & (1 << (25+reg)))) + { + int mode, addr; + + known_regs.emu_status &= ~SSP_PMC_HAVE_ADDR; + + mode = known_regs.pmac_write[reg]>>16; + addr = known_regs.pmac_write[reg]&0xffff; + if ((mode & 0x43ff) == 0x0018) // DRAM + { + int inc = get_inc(mode); + if (mode & 0x0400) tr_unhandled(); + EOP_LDR_IMM(1,7,0x490); // dram_ptr + emit_mov_const(A_COND_AL, 2, addr<<1); + EOP_STRH_REG(0,1,2); // strh r0, [r1, r2] + known_regs.pmac_write[reg] += inc; + } + else if ((mode & 0xfbff) == 0x4018) // DRAM, cell inc + { + if (mode & 0x0400) tr_unhandled(); + EOP_LDR_IMM(1,7,0x490); // dram_ptr + emit_mov_const(A_COND_AL, 2, addr<<1); + EOP_STRH_REG(0,1,2); // strh r0, [r1, r2] + known_regs.pmac_write[reg] += (addr&1) ? 31 : 1; + } + else if ((mode & 0x47ff) == 0x001c) // IRAM + { + int inc = get_inc(mode); + EOP_LDR_IMM(1,7,0x48c); // iram_ptr + emit_mov_const(A_COND_AL, 2, (addr&0x3ff)<<1); + EOP_STRH_REG(0,1,2); // strh r0, [r1, r2] + EOP_MOV_IMM(1,0,1); + EOP_STR_IMM(1,7,0x494); // iram_dirty + known_regs.pmac_write[reg] += inc; + } + else + tr_unhandled(); + + known_regs.pmc.v = known_regs.pmac_write[reg]; + //known_regb |= KRREG_PMC; + dirty_regb |= KRREG_PMC; + dirty_regb |= 1 << (25+reg); + hostreg_r[1] = hostreg_r[2] = -1; + return; + } + + known_regb &= ~KRREG_PMC; + dirty_regb &= ~KRREG_PMC; + known_regb &= ~(1 << (25+reg)); + dirty_regb &= ~(1 << (25+reg)); + + // call the C code to handle this + tr_flush_dirty_ST(); + //tr_flush_dirty_pmcrs(); + tr_mov16(1, reg); + emit_call(ssp_pm_write); + hostreg_clear(); } -static void op3c(unsigned int op, unsigned int imm) +static void tr_r0_to_PM0(int const_val) { - OP_CMPA(op & 0xff); + tr_r0_to_PMX(0); } -static void op4c(unsigned int op, unsigned int imm) +static void tr_r0_to_PM1(int const_val) { - OP_ADDA(op & 0xff); + tr_r0_to_PMX(1); } -static void op5c(unsigned int op, unsigned int imm) +static void tr_r0_to_PM2(int const_val) { - OP_ANDA(op & 0xff); + tr_r0_to_PMX(2); } -static void op6c(unsigned int op, unsigned int imm) +static void tr_r0_to_PM4(int const_val) { - OP_ORA (op & 0xff); + tr_r0_to_PMX(4); } -static void op7c(unsigned int op, unsigned int imm) +static void tr_r0_to_PMC(int const_val) { - OP_EORA(op & 0xff); + if ((known_regb & KRREG_PMC) && const_val != -1) + { + if (known_regs.emu_status & SSP_PMC_HAVE_ADDR) { + known_regs.emu_status |= SSP_PMC_SET; + known_regs.emu_status &= ~SSP_PMC_HAVE_ADDR; + known_regs.pmc.h = const_val; + } else { + known_regs.emu_status |= SSP_PMC_HAVE_ADDR; + known_regs.pmc.l = const_val; + } + } + else + { + tr_flush_dirty_ST(); + if (known_regb & KRREG_PMC) { + emit_mov_const(A_COND_AL, 1, known_regs.pmc.v); + EOP_STR_IMM(1,7,0x400+SSP_PMC*4); + known_regb &= ~KRREG_PMC; + dirty_regb &= ~KRREG_PMC; + } + EOP_LDR_IMM(1,7,0x484); // ldr r1, [r7, #0x484] // emu_status + EOP_ADD_IMM(2,7,24/2,4); // add r2, r7, #0x400 + EOP_TST_IMM(1, 0, SSP_PMC_HAVE_ADDR); + EOP_C_AM3_IMM(A_COND_EQ,1,0,2,0,0,1,SSP_PMC*4); // strxx r0, [r2, #SSP_PMC] + EOP_C_AM3_IMM(A_COND_NE,1,0,2,0,0,1,SSP_PMC*4+2); + EOP_C_DOP_IMM(A_COND_EQ,A_OP_ORR,0, 1, 1, 0, SSP_PMC_HAVE_ADDR); // orreq r1, r1, #.. + EOP_C_DOP_IMM(A_COND_NE,A_OP_BIC,0, 1, 1, 0, SSP_PMC_HAVE_ADDR); // bicne r1, r1, #.. + EOP_C_DOP_IMM(A_COND_NE,A_OP_ORR,0, 1, 1, 0, SSP_PMC_SET); // orrne r1, r1, #.. + EOP_STR_IMM(1,7,0x484); + hostreg_r[1] = hostreg_r[2] = -1; + } } -typedef void (in_func)(unsigned int op, unsigned int imm); +typedef void (tr_write_func)(int const_val); + +static tr_write_func *tr_write_funcs[16] = +{ + tr_r0_to_GR0, + tr_r0_to_X, + tr_r0_to_Y, + tr_r0_to_A, + tr_r0_to_ST, + tr_r0_to_STACK, + tr_r0_to_PC, + (tr_write_func *)tr_unhandled, + tr_r0_to_PM0, + tr_r0_to_PM1, + tr_r0_to_PM2, + (tr_write_func *)tr_unhandled, + tr_r0_to_PM4, + (tr_write_func *)tr_unhandled, + tr_r0_to_PMC, + tr_r0_to_AL +}; -static in_func *in_funcs[0x80] = +static void tr_mac_load_XY(int op) { - 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, -}; + tr_rX_read(op&3, (op>>2)&3); // X + EOP_MOV_REG_LSL(4, 0, 16); + tr_rX_read(((op>>4)&3)|4, (op>>6)&3); // Y + EOP_ORR_REG_SIMPLE(4, 0); + dirty_regb |= KRREG_P; + hostreg_sspreg_changed(SSP_X); + hostreg_sspreg_changed(SSP_Y); + known_regb &= ~KRREG_X; + known_regb &= ~KRREG_Y; +} // ----------------------------------------------------- -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 int tr_detect_set_pm(unsigned int op, int *pc, int imm) +{ + u32 pmcv, tmpv; + if (!((op&0xfef0) == 0x08e0 && (PROGRAM(*pc)&0xfef0) == 0x08e0)) return 0; + + // programming PMC: + // ldi PMC, imm1 + // ldi PMC, imm2 + (*pc)++; + pmcv = imm | (PROGRAM((*pc)++) << 16); + known_regs.pmc.v = pmcv; + 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); + if ((tmpv & 0xfff8) == 0x08 || (tmpv & 0xff8f) == 0x80) + { + int is_write = (tmpv & 0xff8f) == 0x80; + int reg = is_write ? ((tmpv>>4)&0x7) : (tmpv&0x7); + if (reg > 4) tr_unhandled(); + if ((tmpv & 0x0f) != 0 && (tmpv & 0xf0) != 0) tr_unhandled(); + known_regs.pmac_read[is_write ? reg + 5 : reg] = pmcv; + known_regb |= is_write ? (1 << (reg+25)) : (1 << (reg+20)); + dirty_regb |= is_write ? (1 << (reg+25)) : (1 << (reg+20)); + known_regs.emu_status &= ~SSP_PMC_SET; + (*pc)++; + n_in_ops++; + return 5; + } + + tr_unhandled(); + return 4; +} -static u32 chksum_crc32 (unsigned char *block, unsigned int length) +static const short pm0_block_seq[] = { 0x0880, 0, 0x0880, 0, 0x0840, 0x60 }; + +static int tr_detect_pm0_block(unsigned int op, int *pc, int imm) { - register u32 crc; - unsigned long i; + // ldi ST, 0 + // ldi PM0, 0 + // ldi PM0, 0 + // ldi ST, 60h + unsigned short *pp; + if (op != 0x0840 || imm != 0) return 0; + pp = PROGRAM_P(*pc); + if (memcmp(pp, pm0_block_seq, sizeof(pm0_block_seq)) != 0) return 0; - crc = 0xFFFFFFFF; - for (i = 0; i < length; i++) - { - crc = ((crc >> 8) & 0x00FFFFFF) ^ crctable[(crc ^ *block++) & 0xFF]; - } - return (crc ^ 0xFFFFFFFF); + EOP_AND_IMM(6, 6, 8/2, 0xe0); // and r6, r6, #7<<29 @ preserve STACK + EOP_ORR_IMM(6, 6, 24/2, 6); // orr r6, r6, 0x600 + hostreg_sspreg_changed(SSP_ST); + known_regs.gr[SSP_ST].h = 0x60; + known_regb |= 1 << SSP_ST; + dirty_regb &= ~KRREG_ST; + (*pc) += 3*2; + n_in_ops += 3; + return 4*2; } -//static int iram_crcs[32] = { 0, }; +static int tr_detect_rotate(unsigned int op, int *pc, int imm) +{ + // @ 3DA2 and 426A + // ld PMC, (r3|00) + // ld (r3|00), PMC + // ld -, AL + if (op != 0x02e3 || PROGRAM(*pc) != 0x04e3 || PROGRAM(*pc + 1) != 0x000f) return 0; + + tr_bank_read(0); + EOP_MOV_REG_LSL(0, 0, 4); + EOP_ORR_REG_LSR(0, 0, 0, 16); + tr_bank_write(0); + (*pc) += 2; + n_in_ops += 2; + return 3; +} // ----------------------------------------------------- -static unsigned char iram_context_map[] = +static int translate_op(unsigned int op, int *pc, int imm) { - 0, 0, 0, 0, 1, 0, 0, 0, // 04 - 0, 0, 0, 0, 0, 0, 2, 0, // 0e - 0, 0, 0, 0, 0, 3, 0, 4, // 15 17 - 5, 0, 0, 6, 0, 7, 0, 0, // 18 1b 1d - 8, 9, 0, 0, 0,10, 0, 0, // 20 21 25 - 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0,11, 0, 0,12, 0, 0, // 32 35 - 13,14, 0, 0, 0, 0, 0, 0 // 38 39 -}; + u32 tmpv, tmpv2, tmpv3; + int ret = 0; + known_regs.gr[SSP_PC].h = *pc; -static unsigned int checksums[] = -{ - 0, - 0xfa9ddfb2, - 0x229c80b6, - 0x3af0c3d3, - 0x98fc4552, - 0x5ecacdbc, - 0xa6931962, - 0x53930b10, - 0x69524552, - 0xcb1ccdaf, - 0x995068c7, - 0x48b97f4d, - 0xe8c61b74, - 0xafa2e81a, - 0x4e3e071a -}; + switch (op >> 9) + { + // ld d, s + case 0x00: + if (op == 0) { ret++; break; } // nop + tmpv = op & 0xf; // src + tmpv2 = (op >> 4) & 0xf; // dst + if (tmpv2 == SSP_A && tmpv == SSP_P) { // ld A, P + tr_flush_dirty_P(); + EOP_MOV_REG_SIMPLE(5, 10); + hostreg_sspreg_changed(SSP_A); + known_regb &= ~(KRREG_A|KRREG_AL); + ret++; break; + } + tr_read_funcs[tmpv](op); + tr_write_funcs[tmpv2]((known_regb & (1 << tmpv)) ? known_regs.gr[tmpv].h : -1); + if (tmpv2 == SSP_PC) ret |= 0x10000; + ret++; break; + + // ld d, (ri) + case 0x01: { + int r = (op&3) | ((op>>6)&4); + int mod = (op>>2)&3; + tmpv = (op >> 4) & 0xf; // dst + ret = tr_detect_rotate(op, pc, imm); + if (ret > 0) break; + if (tmpv != 0) + tr_rX_read(r, mod); + else tr_ptrr_mod(r, mod, 1, 1); + tr_write_funcs[tmpv](-1); + if (tmpv == SSP_PC) ret |= 0x10000; + ret++; break; + } + // ld (ri), s + case 0x02: + tmpv = (op >> 4) & 0xf; // src + tr_read_funcs[tmpv](op); + tr_rX_write(op); + ret++; break; + + // ld a, adr + case 0x03: + tr_bank_read(op&0x1ff); + tr_r0_to_A(-1); + ret++; break; + + // ldi d, imm + case 0x04: + tmpv = (op & 0xf0) >> 4; // dst + ret = tr_detect_pm0_block(op, pc, imm); + if (ret > 0) break; + ret = tr_detect_set_pm(op, pc, imm); + if (ret > 0) break; + tr_mov16(0, imm); + tr_write_funcs[tmpv](imm); + if (tmpv == SSP_PC) ret |= 0x10000; + ret += 2; break; + + // ld d, ((ri)) + case 0x05: + tmpv2 = (op >> 4) & 0xf; // dst + tr_rX_read2(op); + tr_write_funcs[tmpv2](-1); + if (tmpv2 == SSP_PC) ret |= 0x10000; + ret += 3; break; + + // ldi (ri), imm + case 0x06: + tr_mov16(0, imm); + tr_rX_write(op); + ret += 2; break; + + // ld adr, a + case 0x07: + tr_A_to_r0(op); + tr_bank_write(op&0x1ff); + ret++; break; + + // ld d, ri + case 0x09: { + int r; + r = (op&3) | ((op>>6)&4); // src + tmpv2 = (op >> 4) & 0xf; // dst + if ((r&3) == 3) tr_unhandled(); + + if (known_regb & (1 << (r+8))) { + tr_mov16(0, known_regs.r[r]); + tr_write_funcs[tmpv2](known_regs.r[r]); + } else { + int reg = (r < 4) ? 8 : 9; + if (r&3) EOP_MOV_REG_LSR(0, reg, (r&3)*8); // mov r0, r{7,8}, lsr #lsr + EOP_AND_IMM(0, (r&3)?0:reg, 0, 0xff); // and r0, r{7,8}, + hostreg_r[0] = -1; + tr_write_funcs[tmpv2](-1); + } + ret++; break; + } -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]; + // ld ri, s + case 0x0a: { + int r; + r = (op&3) | ((op>>6)&4); // dst + tmpv = (op >> 4) & 0xf; // src + if ((r&3) == 3) tr_unhandled(); + + if (known_regb & (1 << tmpv)) { + known_regs.r[r] = known_regs.gr[tmpv].h; + known_regb |= 1 << (r + 8); + dirty_regb |= 1 << (r + 8); + } else { + int reg = (r < 4) ? 8 : 9; + int ror = ((4 - (r&3))*8) & 0x1f; + tr_read_funcs[tmpv](op); + EOP_BIC_IMM(reg, reg, ror/2, 0xff); // bic r{7,8}, r{7,8}, + EOP_AND_IMM(0, 0, 0, 0xff); // and r0, r0, 0xff + EOP_ORR_REG_LSL(reg, reg, 0, (r&3)*8); // orr r{7,8}, r{7,8}, r0, lsl #lsl + hostreg_r[0] = -1; + known_regb &= ~(1 << (r+8)); + dirty_regb &= ~(1 << (r+8)); + } + ret++; break; + } - if (crc != checksums[val1] || 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); - return val1; -} + // ldi ri, simm + case 0x0c ... 0x0f: + tmpv = (op>>8)&7; + known_regs.r[tmpv] = op; + known_regb |= 1 << (tmpv + 8); + dirty_regb |= 1 << (tmpv + 8); + ret++; break; + + // call cond, addr + case 0x24: { + u32 *jump_op = NULL; + tmpv = tr_cond_check(op); + if (tmpv != A_COND_AL) { + jump_op = tcache_ptr; + EOP_MOV_IMM(0, 0, 0); // placeholder for branch + } + tr_mov16(0, *pc); + tr_r0_to_STACK(*pc); + if (tmpv != A_COND_AL) { + u32 *real_ptr = tcache_ptr; + tcache_ptr = jump_op; + EOP_C_B(tr_neg_cond(tmpv),0,real_ptr - jump_op - 2); + tcache_ptr = real_ptr; + } + tr_mov16_cond(tmpv, 0, imm); + if (tmpv != A_COND_AL) { + tr_mov16_cond(tr_neg_cond(tmpv), 0, *pc); + } + tr_r0_to_PC(tmpv == A_COND_AL ? imm : -1); + ret |= 0x10000; + ret += 2; break; + } -#define PROGRAM(x) ((unsigned short *)svp->iram_rom)[x] + // ld d, (a) + case 0x25: + tmpv2 = (op >> 4) & 0xf; // dst + tr_A_to_r0(op); + EOP_LDR_IMM(1,7,0x48c); // ptr_iram_rom + EOP_ADD_REG_LSL(0,1,0,1); // add r0, r1, r0, lsl #1 + EOP_LDRH_SIMPLE(0,0); // ldrh r0, [r0] + hostreg_r[0] = hostreg_r[1] = -1; + tr_write_funcs[tmpv2](-1); + if (tmpv2 == SSP_PC) ret |= 0x10000; + ret += 3; break; + + // bra cond, addr + case 0x26: + tmpv = tr_cond_check(op); + tr_mov16_cond(tmpv, 0, imm); + if (tmpv != A_COND_AL) { + tr_mov16_cond(tr_neg_cond(tmpv), 0, *pc); + } + tr_r0_to_PC(tmpv == A_COND_AL ? imm : -1); + ret |= 0x10000; + ret += 2; break; + + // mod cond, op + case 0x48: { + // check for repeats of this op + tmpv = 1; // count + while (PROGRAM(*pc) == op && (op & 7) != 6) { + (*pc)++; tmpv++; + n_in_ops++; + } + if ((op&0xf0) != 0) // !always + tr_make_dirty_ST(); -static u32 interp_get_pc(void) -{ -#if 0 - unsigned short *pc1 = PC; - int i; + tmpv2 = tr_cond_check(op); + switch (op & 7) { + case 2: EOP_C_DOP_REG_XIMM(tmpv2,A_OP_MOV,1,0,5,tmpv,A_AM1_ASR,5); break; // shr (arithmetic) + case 3: EOP_C_DOP_REG_XIMM(tmpv2,A_OP_MOV,1,0,5,tmpv,A_AM1_LSL,5); break; // shl + case 6: EOP_C_DOP_IMM(tmpv2,A_OP_RSB,1,5,5,0,0); break; // neg + case 7: EOP_C_DOP_REG_XIMM(tmpv2,A_OP_EOR,0,5,1,31,A_AM1_ASR,5); // eor r1, r5, r5, asr #31 + EOP_C_DOP_REG_XIMM(tmpv2,A_OP_ADD,1,1,5,31,A_AM1_LSR,5); // adds r5, r1, r5, lsr #31 + hostreg_r[1] = -1; break; // abs + default: tr_unhandled(); + } - while (pc1[-1] != 0xfe01) pc1--; // goto current block start + hostreg_sspreg_changed(SSP_A); + dirty_regb |= KRREG_ST; + known_regb &= ~KRREG_ST; + known_regb &= ~(KRREG_A|KRREG_AL); + ret += tmpv; break; + } - 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; + // mpys? + case 0x1b: + tr_flush_dirty_P(); + tr_mac_load_XY(op); + tr_make_dirty_ST(); + EOP_C_DOP_REG_XIMM(A_COND_AL,A_OP_SUB,1,5,5,0,A_AM1_LSL,10); // subs r5, r5, r10 + hostreg_sspreg_changed(SSP_A); + known_regb &= ~(KRREG_A|KRREG_AL); + dirty_regb |= KRREG_ST; + ret++; break; + + // mpya (rj), (ri), b + case 0x4b: + tr_flush_dirty_P(); + tr_mac_load_XY(op); + tr_make_dirty_ST(); + EOP_C_DOP_REG_XIMM(A_COND_AL,A_OP_ADD,1,5,5,0,A_AM1_LSL,10); // adds r5, r5, r10 + hostreg_sspreg_changed(SSP_A); + known_regb &= ~(KRREG_A|KRREG_AL); + dirty_regb |= KRREG_ST; + ret++; break; + + // mld (rj), (ri), b + case 0x5b: + EOP_C_DOP_IMM(A_COND_AL,A_OP_MOV,1,0,5,0,0); // movs r5, #0 + hostreg_sspreg_changed(SSP_A); + known_regs.gr[SSP_A].v = 0; + known_regb |= (KRREG_A|KRREG_AL); + dirty_regb |= KRREG_ST; + tr_mac_load_XY(op); + ret++; break; + + // OP a, s + case 0x10: + case 0x30: + case 0x40: + case 0x50: + case 0x60: + case 0x70: + tmpv = op & 0xf; // src + tmpv2 = tr_aop_ssp2arm(op>>13); // op + tmpv3 = (tmpv2 == A_OP_CMP) ? 0 : 5; + if (tmpv == SSP_P) { + tr_flush_dirty_P(); + EOP_C_DOP_REG_XIMM(A_COND_AL,tmpv2,1,5,tmpv3, 0,A_AM1_LSL,10); // OPs r5, r5, r10 + } else if (tmpv == SSP_A) { + EOP_C_DOP_REG_XIMM(A_COND_AL,tmpv2,1,5,tmpv3, 0,A_AM1_LSL, 5); // OPs r5, r5, r5 + } else { + tr_read_funcs[tmpv](op); + EOP_C_DOP_REG_XIMM(A_COND_AL,tmpv2,1,5,tmpv3,16,A_AM1_LSL, 0); // OPs r5, r5, r0, lsl #16 + } + hostreg_sspreg_changed(SSP_A); + known_regb &= ~(KRREG_A|KRREG_AL|KRREG_ST); + dirty_regb |= KRREG_ST; + ret++; break; + + // OP a, (ri) + case 0x11: + case 0x31: + case 0x41: + case 0x51: + case 0x61: + case 0x71: + tmpv2 = tr_aop_ssp2arm(op>>13); // op + tmpv3 = (tmpv2 == A_OP_CMP) ? 0 : 5; + tr_rX_read((op&3)|((op>>6)&4), (op>>2)&3); + EOP_C_DOP_REG_XIMM(A_COND_AL,tmpv2,1,5,tmpv3,16,A_AM1_LSL,0); // OPs r5, r5, r0, lsl #16 + hostreg_sspreg_changed(SSP_A); + known_regb &= ~(KRREG_A|KRREG_AL|KRREG_ST); + dirty_regb |= KRREG_ST; + ret++; break; + + // OP a, adr + case 0x13: + case 0x33: + case 0x43: + case 0x53: + case 0x63: + case 0x73: + tmpv2 = tr_aop_ssp2arm(op>>13); // op + tmpv3 = (tmpv2 == A_OP_CMP) ? 0 : 5; + tr_bank_read(op&0x1ff); + EOP_C_DOP_REG_XIMM(A_COND_AL,tmpv2,1,5,tmpv3,16,A_AM1_LSL,0); // OPs r5, r5, r0, lsl #16 + hostreg_sspreg_changed(SSP_A); + known_regb &= ~(KRREG_A|KRREG_AL|KRREG_ST); + dirty_regb |= KRREG_ST; + ret++; break; + + // OP a, imm + case 0x14: + case 0x34: + case 0x44: + case 0x54: + case 0x64: + case 0x74: + tmpv = (op & 0xf0) >> 4; + tmpv2 = tr_aop_ssp2arm(op>>13); // op + tmpv3 = (tmpv2 == A_OP_CMP) ? 0 : 5; + tr_mov16(0, imm); + EOP_C_DOP_REG_XIMM(A_COND_AL,tmpv2,1,5,tmpv3,16,A_AM1_LSL,0); // OPs r5, r5, r0, lsl #16 + hostreg_sspreg_changed(SSP_A); + known_regb &= ~(KRREG_A|KRREG_AL|KRREG_ST); + dirty_regb |= KRREG_ST; + ret += 2; break; + + // OP a, ((ri)) + case 0x15: + case 0x35: + case 0x45: + case 0x55: + case 0x65: + case 0x75: + tmpv2 = tr_aop_ssp2arm(op>>13); // op + tmpv3 = (tmpv2 == A_OP_CMP) ? 0 : 5; + tr_rX_read2(op); + EOP_C_DOP_REG_XIMM(A_COND_AL,tmpv2,1,5,tmpv3,16,A_AM1_LSL,0); // OPs r5, r5, r0, lsl #16 + hostreg_sspreg_changed(SSP_A); + known_regb &= ~(KRREG_A|KRREG_AL|KRREG_ST); + dirty_regb |= KRREG_ST; + ret += 3; break; + + // OP a, ri + case 0x19: + case 0x39: + case 0x49: + case 0x59: + case 0x69: + case 0x79: { + int r; + tmpv2 = tr_aop_ssp2arm(op>>13); // op + tmpv3 = (tmpv2 == A_OP_CMP) ? 0 : 5; + r = (op&3) | ((op>>6)&4); // src + if ((r&3) == 3) tr_unhandled(); + + if (known_regb & (1 << (r+8))) { + EOP_C_DOP_IMM(A_COND_AL,tmpv2,1,5,tmpv3,16/2,known_regs.r[r]); // OPs r5, r5, #val<<16 + } else { + int reg = (r < 4) ? 8 : 9; + if (r&3) EOP_MOV_REG_LSR(0, reg, (r&3)*8); // mov r0, r{7,8}, lsr #lsr + EOP_AND_IMM(0, (r&3)?0:reg, 0, 0xff); // and r0, r{7,8}, + EOP_C_DOP_REG_XIMM(A_COND_AL,tmpv2,1,5,tmpv3,16,A_AM1_LSL,0); // OPs r5, r5, r0, lsl #16 + hostreg_r[0] = -1; + } + hostreg_sspreg_changed(SSP_A); + known_regb &= ~(KRREG_A|KRREG_AL|KRREG_ST); + dirty_regb |= KRREG_ST; + ret++; break; + } + + // OP simm + case 0x1c: + case 0x3c: + case 0x4c: + case 0x5c: + case 0x6c: + case 0x7c: + tmpv2 = tr_aop_ssp2arm(op>>13); // op + tmpv3 = (tmpv2 == A_OP_CMP) ? 0 : 5; + EOP_C_DOP_IMM(A_COND_AL,tmpv2,1,5,tmpv3,16/2,op & 0xff); // OPs r5, r5, #val<<16 + hostreg_sspreg_changed(SSP_A); + known_regb &= ~(KRREG_A|KRREG_AL|KRREG_ST); + dirty_regb |= KRREG_ST; + ret++; break; } - return i + (PC - pc1); -fail: - printf("block not found!\n"); - exit(1); -#else - return rPC; -#endif + n_in_ops++; + + return ret; } -static void *translate_block(int pc) +void *ssp_translate_block(int pc) { - unsigned int op, op1, icount = 0; - void *ret; + unsigned int op, op1, imm, ccount = 0; + unsigned int *block_start; + int ret, ret_prev = -1, tpc; - ret = tcache_ptr; + printf("translate %04x -> %04x\n", pc<<1, (tcache_ptr-tcache)<<2); + block_start = tcache_ptr; + known_regb = 0; + dirty_regb = KRREG_P; + known_regs.emu_status = 0; + hostreg_clear(); - //printf("translate %04x -> %04x\n", pc<<1, (tcache_ptr-tcache)<<1); - for (;;) + emit_block_prologue(); + + for (; ccount < 100;) { - icount++; op = PROGRAM(pc++); op1 = op >> 9; - // need immediate? - if ((op1 & 0xf) == 4 || (op1 & 0xf) == 6) { - op |= PROGRAM(pc++) << 16; // immediate - } - *tcache_ptr++ = op; - *tcache_ptr = (unsigned int) in_funcs[op1]; - if (*tcache_ptr == 0) { + imm = (u32)-1; + + if ((op1 & 0xf) == 4 || (op1 & 0xf) == 6) + imm = PROGRAM(pc++); // immediate + tpc = pc; + + ret = translate_op(op, &pc, imm); + if (ret <= 0) + { 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; + else + { + ccount += ret & 0xffff; + if (ret & 0x10000) break; } + + ret_prev = ret; } - *tcache_ptr++ = 0xfe01; - *tcache_ptr++ = 0xfe01; // end of block - //printf(" %i inst\n", icount); + + if (ccount >= 100) + emit_pc_dump(pc); + + tr_flush_dirty_prs(); + tr_flush_dirty_ST(); + tr_flush_dirty_pmcrs(); + emit_block_epilogue(ccount + 1); + *tcache_ptr++ = 0xffffffff; // end of block if (tcache_ptr - tcache > TCACHE_SIZE/4) { printf("tcache overflow!\n"); @@ -695,24 +1608,48 @@ static void *translate_block(int pc) // stats nblocks++; - //if (pc >= 0x400) - 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); - return ret; +#ifdef DUMP_BLOCK + { + FILE *f = fopen("tcache.bin", "wb"); + fwrite(tcache, 1, (tcache_ptr - tcache)*4, f); + fclose(f); + } + exit(0); +#endif + + handle_caches(); + + return block_start; } // ----------------------------------------------------- -int ssp1601_dyn_init(void) +static void ssp1601_state_load(void) { - tcache = tcache_ptr = malloc(TCACHE_SIZE); - memset(tcache, 0, sizeof(TCACHE_SIZE)); + ssp->drc.iram_dirty = 1; + ssp->drc.iram_context = 0; +} + +int ssp1601_dyn_startup(void) +{ + memset(tcache, 0, 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 = tcache; + *tcache_ptr++ = 0xffffffff; + + PicoLoadStateHook = ssp1601_state_load; + +#ifdef ARM + // hle'd blocks + block_table[0x400] = (void *) ssp_hle_800; + n_in_ops = 3; // # of hled ops +#endif return 0; } @@ -720,94 +1657,26 @@ int ssp1601_dyn_init(void) void ssp1601_dyn_reset(ssp1601_t *ssp) { - ssp1601_reset_local(ssp); + 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; } - -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) { - while (cycles > 0) - { - unsigned int *iPC; - //int pc_old = rPC; - if (rPC < 0x800/2) - { - if (iram_dirty) { - iram_context = get_iram_context(); - 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]; - } - else - { - if (block_table[rPC] == NULL) - block_table[rPC] = translate_block(rPC); - iPC = block_table[rPC]; - } + if (ssp->emu_status & SSP_WAIT_MASK) return; - had_jump = 0; - - //printf("enter @ %04x, PC=%04x\n", (PC - tcache)<<1, rPC<<1); - g_cycles = 0; - ssp1601_run2(iPC); - cycles += g_cycles; -/* - if (!had_jump) { - // no jumps - if (pc_old < 0x800/2) - rPC += (PC - block_table_iram[iram_context][pc_old]) - 1; - else - rPC += (PC - block_table[pc_old]) - 1; - } -*/ - //printf("end @ %04x, PC=%04x\n", (PC - tcache)<<1, rPC<<1); -/* - if (pc_old < 0x400) { - // flush IRAM cache - tcache_ptr = block_table[pc_old]; - block_table[pc_old] = NULL; - nblocks--; - } - if (pc_old >= 0x400 && rPC < 0x400) - { - int i, crc = chksum_crc32(svp->iram_rom, 0x800); - for (i = 0; i < 32; i++) - if (iram_crcs[i] == crc) break; - if (i == 32) { - char name[32]; - for (i = 0; i < 32 && iram_crcs[i]; i++); - iram_crcs[i] = crc; - printf("%i IRAMs\n", i+1); - sprintf(name, "ir%08x.bin", crc); - debug_dump2file(name, svp->iram_rom, 0x800); - } - printf("CRC %08x %08x\n", crc, iram_id); - } -*/ - } -// debug_dump2file("tcache.bin", tcache, (tcache_ptr - tcache) << 1); -// exit(1); +#ifdef DUMP_BLOCK + ssp_translate_block(DUMP_BLOCK >> 1); +#endif +#ifdef ARM + ssp_drc_entry(cycles); +#endif }