X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=Pico%2Fcarthw%2Fsvp%2Fcompiler.c;h=7f10a5bd81762e29861f2a8ebabecf78981e4570;hb=e807ac752b4653487ec5bdf516205e24a1c657eb;hp=65399ebe19fdfe32737e4d40ab21366bfc7c8432;hpb=726bbb3e08e3d4e7ed086a3c98dec0e21a386d75;p=picodrive.git diff --git a/Pico/carthw/svp/compiler.c b/Pico/carthw/svp/compiler.c index 65399eb..7f10a5b 100644 --- a/Pico/carthw/svp/compiler.c +++ b/Pico/carthw/svp/compiler.c @@ -2,163 +2,590 @@ // 14 IRAM blocks #include "../../PicoInt.h" +#include "compiler.h" -#define TCACHE_SIZE (256*1024) -static unsigned short *block_table[0x5090/2]; -static unsigned short *tcache = NULL; -static unsigned short *tcache_ptr = NULL; +static unsigned int *block_table[0x5090/2]; +static unsigned int *block_table_iram[15][0x800/2]; +static unsigned int *tcache_ptr = NULL; static int had_jump = 0; static int nblocks = 0; +static int iram_context = 0; #define EMBED_INTERPRETER #define ssp1601_reset ssp1601_reset_local #define ssp1601_run ssp1601_run_local -static unsigned int interp_get_pc(void); - -#define GET_PC interp_get_pc -#define GET_PPC_OFFS() (interp_get_pc()*2 - 2) +#define GET_PC() rPC +#define GET_PPC_OFFS() (GET_PC()*2 - 2) #define SET_PC(d) { had_jump = 1; rPC = d; } /* must return to dispatcher after this */ //#define GET_PC() (PC - (unsigned short *)svp->iram_rom) //#define GET_PPC_OFFS() ((unsigned int)PC - (unsigned int)svp->iram_rom - 2) //#define SET_PC(d) PC = (unsigned short *)svp->iram_rom + d #include "ssp16.c" +#include "gen_arm.c" // ----------------------------------------------------- -static 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 -}; +// 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) +{ + do + { + int cond = 0; + COND_CHECK + if (cond) SET_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 u32 chksum_crc32 (unsigned char *block, unsigned int length) +static void op30(unsigned int op, unsigned int imm) { - register u32 crc; - unsigned long i; + do + { + unsigned int tmpv; + OP_CHECK32(OP_CMPA32); tmpv = REG_READ(op & 0x0f); OP_CMPA(tmpv); + } + while(0); +} - crc = 0xFFFFFFFF; - for (i = 0; i < length; i++) - { - crc = ((crc >> 8) & 0x00FFFFFF) ^ crctable[(crc ^ *block++) & 0xFF]; - } - return (crc ^ 0xFFFFFFFF); +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 int iram_crcs[32] = { 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, +}; // ----------------------------------------------------- -#define PROGRAM(x) ((unsigned short *)svp->iram_rom)[x] +static unsigned char iram_context_map[] = +{ + 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 +}; -static u32 interp_get_pc(void) +static int get_iram_context(void) { - unsigned short *pc1 = PC; - int i; - while (pc1[-1] != 0xfe01) pc1--; // goto current block start - for (i = 0; i < 0x5090/2; i++) - if (block_table[i] == pc1) break; + 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 (i == 0x5090/2) { - printf("block not found!\n"); + 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; +} + + +#define PROGRAM(x) ((unsigned short *)svp->iram_rom)[x] + +static int translate_op(unsigned int op, int *pc) +{ + switch (op >> 9) + { + // ld d, s + case 0x00: break; + } - return i + (PC - pc1); + return -1; } -static void translate_block(int pc) +static void *translate_block(int pc) { - int tmp, op, op1, icount = 0; + unsigned int op, op1, imm, ccount = 0; + unsigned int *block_start; + int ret; - block_table[pc] = tcache_ptr; + // create .pool + //*tcache_ptr++ = (u32) in_funcs; // -1 func pool - //printf("translate %04x -> %04x\n", pc<<1, (tcache_ptr-tcache)<<1); - for (;;) + printf("translate %04x -> %04x\n", pc<<1, (tcache_ptr-tcache)<<2); + block_start = tcache_ptr; + + emit_block_prologue(); + + for (; ccount < 100;) { + //printf(" insn #%i\n", icount); op = PROGRAM(pc++); op1 = op >> 9; - *tcache_ptr++ = op; - icount++; - // need immediate? - if ((op1 & 0xf) == 4 || (op1 & 0xf) == 6) { - tmp = PROGRAM(pc++); - *tcache_ptr++ = tmp; // immediate + imm = (u32)-1; + + if ((op1 & 0xf) == 4 || (op1 & 0xf) == 6) + imm = PROGRAM(pc++); // immediate + + ret = translate_op(op, &pc); + if (ret <= 0) + { + emit_mov_const(0, op); + + // need immediate? + if (imm != (u32)-1) + emit_mov_const(1, imm); + + // dump PC + emit_pc_dump(pc); + + emit_interpreter_call(in_funcs[op1]); + + if (in_funcs[op1] == NULL) { + printf("NULL func! op=%08x (%02x)\n", op, op1); + exit(1); + } + ccount++; } + else + ccount += ret; + if (op1 == 0x24 || op1 == 0x26 || // call, bra ((op1 == 0 || op1 == 1 || op1 == 4 || op1 == 5 || op1 == 9 || op1 == 0x25) && (op & 0xf0) == 0x60)) { // ld PC break; } } - *tcache_ptr++ = 0xfe01; // end of block + + emit_block_epilogue(ccount + 1); + *tcache_ptr++ = 0xffffffff; // end of block //printf(" %i inst\n", icount); - if (tcache_ptr - tcache > TCACHE_SIZE/2) { + if (tcache_ptr - tcache > TCACHE_SIZE/4) { printf("tcache overflow!\n"); fflush(stdout); exit(1); @@ -166,19 +593,35 @@ static void translate_block(int pc) // stats nblocks++; - if (pc >= 0x400) printf("%i blocks, %i bytes\n", nblocks, (tcache_ptr - tcache)*2); + //if (pc >= 0x400) + printf("%i blocks, %i bytes\n", nblocks, (tcache_ptr - tcache)*4); + //printf("%p %p\n", tcache_ptr, emit_block_epilogue); + +#if 0 + { + 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) +int ssp1601_dyn_startup(void) { - tcache = tcache_ptr = malloc(TCACHE_SIZE); - memset(tcache, 0, sizeof(TCACHE_SIZE)); + memset(tcache, 0, TCACHE_SIZE); memset(block_table, 0, sizeof(block_table)); - *tcache_ptr++ = 0xfe01; + memset(block_table_iram, 0, sizeof(block_table_iram)); + tcache_ptr = tcache; + *tcache_ptr++ = 0xffffffff; return 0; } @@ -189,45 +632,33 @@ void ssp1601_dyn_reset(ssp1601_t *ssp) ssp1601_reset_local(ssp); } - void ssp1601_dyn_run(int cycles) { while (cycles > 0) { - int pc_old = rPC; - if (block_table[rPC] == NULL) - translate_block(rPC); - - PC = block_table[rPC]; - had_jump = 0; - - //printf("enter @ %04x, PC=%04x\n", (PC - tcache)<<1, rPC<<1); - ssp1601_run_local(0x10000); - cycles -= 0x10000 - g_cycles; - - if (!had_jump) { - // no jumps - 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 (*trans_entry)(void); + if (rPC < 0x800/2) { - int i, crc = chksum_crc32(svp->iram_rom, 0x800); - for (i = 0; i < 32; i++) - if (iram_crcs[i] == crc) break; - if (i == 32) { - for (i = 0; i < 32 && iram_crcs[i]; i++); - iram_crcs[i] = crc; - printf("%i IRAMs\n", i+1); + 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); + trans_entry = (void *) block_table_iram[iram_context][rPC]; + } + else + { + if (block_table[rPC] == NULL) + block_table[rPC] = translate_block(rPC); + trans_entry = (void *) block_table[rPC]; } + + had_jump = 0; + + //printf("enter %04x\n", rPC<<1); + cycles -= trans_entry(); + //printf("leave %04x\n", rPC<<1); } // debug_dump2file("tcache.bin", tcache, (tcache_ptr - tcache) << 1); // exit(1);