/* Copyright (C) 2016 Jeremiah Orians * This file is part of stage0. * * stage0 is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * stage0 is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with stage0. If not, see . */ #include "vm.h" uint64_t performance_counter; #ifdef TRACE void record_trace(char* c); void print_traces(); #endif /* Allocate and intialize memory/state */ struct lilith* create_vm(size_t size) { performance_counter = 0; struct lilith* vm; vm = calloc(1, sizeof(struct lilith)); vm->memory = calloc(size, sizeof(uint8_t)); vm->amount_of_Ram = size; vm->halted = false; vm->exception = false; return vm; } /* Free up the memory we previously allocated */ void destroy_vm(struct lilith* vm) { free(vm->memory); free(vm); } /* Validate Memory Addresses*/ void outside_of_world(struct lilith* vm, unsigned_vm_register place, char* message) { if(vm->amount_of_Ram <= place) { fprintf(stderr, "Invalid state reached after: %lu instructions\n", performance_counter); fprintf(stderr, "%i: %s\n", place, message); vm->halted = true; #ifdef TRACE record_trace("HALT"); print_traces(); #endif exit(EXIT_FAILURE); } } /* Deal with illegal instructions and their encodings */ void illegal_instruction(struct lilith* vm, struct Instruction* c) { fprintf(stderr, "Invalid instruction was received at address:%08X\n", c->ip); fprintf(stderr, "After %lu instructions\n", performance_counter); fprintf(stderr, "Unable to execute the following instruction:\n\t%s\n", c->operation); c->invalid = true; vm->halted = true; #ifdef DEBUG fprintf(stderr, "Computer Program has Halted\n"); #endif #ifdef TRACE record_trace("HALT"); print_traces(); #endif exit(EXIT_FAILURE); } /* Deal with 4OP */ void decode_4OP(struct Instruction* c) { c->raw_XOP = c->raw1; c->XOP[0] = c->operation[2]; c->XOP[1] = c->operation[3]; c->raw_Immediate = 0; c->reg0 = c->raw2/16; c->reg1 = c->raw2%16; c->reg2 = c->raw3/16; c->reg3 = c->raw3%16; } /* Deal with 3OP */ void decode_3OP(struct Instruction* c) { c->raw_XOP = c->raw1*0x10 + c->raw2/16; c->XOP[0] = c->operation[2]; c->XOP[1] = c->operation[3]; c->XOP[2] = c->operation[4]; c->raw_Immediate = 0; c->reg0 = c->raw2%16; c->reg1 = c->raw3/16; c->reg2 = c->raw3%16; } /* Deal with 2OP */ void decode_2OP(struct Instruction* c) { c->raw_XOP = c->raw1*0x100 + c->raw2; c->XOP[0] = c->operation[2]; c->XOP[1] = c->operation[3]; c->XOP[2] = c->operation[4]; c->XOP[3] = c->operation[5]; c->raw_Immediate = 0; c->reg0 = c->raw3/16; c->reg1 = c->raw3%16; } /* Deal with 1OP */ void decode_1OP(struct Instruction* c) { c->raw_XOP = c->raw1*0x1000 + c->raw2*0x10 + c->raw3/16; c->XOP[0] = c->operation[2]; c->XOP[1] = c->operation[3]; c->XOP[2] = c->operation[4]; c->XOP[3] = c->operation[5]; c->XOP[4] = c->operation[6]; c->raw_Immediate = 0; c->reg0 = c->raw3%16; } /* Deal with 2OPI */ void decode_2OPI(struct lilith* vm, struct Instruction* c) { c->raw_Immediate = (uint8_t)vm->memory[vm->ip]; vm->ip = vm->ip + 1; uint8_t hold = (uint8_t)vm->memory[vm->ip]; vm->ip = vm->ip + 1; c->raw_Immediate = c->raw_Immediate*0x100 + hold; c->Immediate[0] = c->operation[4]; c->Immediate[1] = c->operation[5]; c->Immediate[2] = c->operation[6]; c->Immediate[3] = c->operation[7]; c->reg0 = c->raw3/16; c->reg1 = c->raw3%16; } /* Deal with 1OPI */ void decode_1OPI(struct lilith* vm, struct Instruction* c) { c->raw_Immediate = (uint8_t)vm->memory[vm->ip]; vm->ip = vm->ip + 1; uint8_t hold = (uint8_t)vm->memory[vm->ip]; vm->ip = vm->ip + 1; c->raw_Immediate = c->raw_Immediate*0x100 + hold; c->Immediate[0] = c->operation[4]; c->Immediate[1] = c->operation[5]; c->Immediate[2] = c->operation[6]; c->Immediate[3] = c->operation[7]; c->HAL_CODE = 0; c->raw_XOP = c->raw3/16; c->XOP[0] = c->operation[7]; c->reg0 = c->raw3%16; } /* Deal with 0OPI */ void decode_0OPI(struct Instruction* c) { c->raw_Immediate = c->raw2*0x100 + c->raw3; c->Immediate[0] = c->operation[4]; c->Immediate[1] = c->operation[5]; c->Immediate[2] = c->operation[6]; c->Immediate[3] = c->operation[7]; c->HAL_CODE = 0; c->raw_XOP = c->raw1; c->XOP[0] = c->operation[2]; c->XOP[1] = c->operation[3]; } /* Deal with Halcode */ void decode_HALCODE(struct Instruction* c) { c->HAL_CODE = c->raw1*0x10000 + c->raw2*0x100 + c->raw3; } /* Useful unpacking functions */ void unpack_byte(uint8_t a, char* c) { char table[16] = {0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46}; c[0] = table[a / 16]; c[1] = table[a % 16]; } /* Unpack the full instruction */ void unpack_instruction(struct Instruction* c) { unpack_byte(c->raw0, &(c->operation[0])); unpack_byte(c->raw1, &(c->operation[2])); unpack_byte(c->raw2, &(c->operation[4])); unpack_byte(c->raw3, &(c->operation[6])); c->opcode[0] = c->operation[0]; c->opcode[1] = c->operation[1]; } /* Load instruction addressed at IP */ void read_instruction(struct lilith* vm, struct Instruction *current) { memset(current, 0, sizeof(struct Instruction)); /* Store IP for debugging */ current->ip = vm->ip; outside_of_world(vm, current->ip, "READ Instruction outside of World"); /* Read the actual bytes and increment the IP */ current->raw0 = (uint8_t)vm->memory[vm->ip]; vm->ip = vm->ip + 1; current->raw1 = (uint8_t)vm->memory[vm->ip]; vm->ip = vm->ip + 1; current->raw2 = (uint8_t)vm->memory[vm->ip]; vm->ip = vm->ip + 1; current->raw3 = (uint8_t)vm->memory[vm->ip]; vm->ip = vm->ip + 1; unpack_instruction(current); } /* Process HALCODE instructions */ bool eval_HALCODE(struct lilith* vm, struct Instruction* c) { #ifdef DEBUG char Name[20] = "ILLEGAL_HALCODE"; #endif if(POSIX_MODE) { switch(c->HAL_CODE) { case 0x000002: /* fopen */ { #ifdef DEBUG strncpy(Name, "FOPEN", 19); #elif TRACE record_trace("FOPEN"); #endif vm_FOPEN(vm); break; } case 0x000003: /* fclose */ { #ifdef DEBUG strncpy(Name, "FCLOSE", 19); #elif TRACE record_trace("FCLOSE"); #endif vm_FCLOSE(vm); break; } case 0x000008: /* fseek */ { #ifdef DEBUG strncpy(Name, "FSEEK", 19); #elif TRACE record_trace("FSEEK"); #endif vm_FSEEK(vm); break; } case 0x00003C: /* EXIT */ { #ifdef DEBUG strncpy(Name, "EXIT", 19); #elif TRACE record_trace("EXIT"); #endif vm_EXIT(vm, performance_counter); break; } case 0x00003F: /* UNAME */ { #ifdef DEBUG strncpy(Name, "UNAME", 19); #elif TRACE record_trace("UNAME"); #endif vm_UNAME(vm); break; } case 0x00005A: /* CHMOD */ { #ifdef DEBUG strncpy(Name, "CHMOD", 19); #elif TRACE record_trace("CHMOD"); #endif vm_CHMOD(vm); break; } case 0x100100: /* fgetc */ { #ifdef DEBUG strncpy(Name, "FGETC", 19); #elif TRACE record_trace("FGETC"); #endif vm_FGETC(vm); break; } case 0x100200: /* fputc */ { #ifdef DEBUG strncpy(Name, "FPUTC", 19); #elif TRACE record_trace("FPUTC"); #endif vm_FPUTC(vm); break; } default: { fprintf(stderr, "Invalid HALCODE\nComputer Program has Halted\n"); illegal_instruction(vm, c); break; } } } else { switch(c->HAL_CODE) { case 0x100000: /* fopen_read */ { #ifdef DEBUG strncpy(Name, "FOPEN_READ", 19); #elif TRACE record_trace("FOPEN_READ"); #endif vm_FOPEN_READ(vm); break; } case 0x100001: /* fopen_write */ { #ifdef DEBUG strncpy(Name, "FOPEN_WRITE", 19); #elif TRACE record_trace("FOPEN_WRITE"); #endif vm_FOPEN_WRITE(vm); break; } case 0x100002: /* fclose */ { #ifdef DEBUG strncpy(Name, "FCLOSE", 19); #elif TRACE record_trace("FCLOSE"); #endif vm_FCLOSE(vm); break; } case 0x100003: /* rewind */ { #ifdef DEBUG strncpy(Name, "REWIND", 19); #elif TRACE record_trace("REWIND"); #endif vm_REWIND(vm); break; } case 0x100004: /* fseek */ { #ifdef DEBUG strncpy(Name, "FSEEK", 19); #elif TRACE record_trace("FSEEK"); #endif vm_FSEEK(vm); break; } case 0x100100: /* fgetc */ { #ifdef DEBUG strncpy(Name, "FGETC", 19); #elif TRACE record_trace("FGETC"); #endif vm_FGETC(vm); break; } case 0x100200: /* fputc */ { #ifdef DEBUG strncpy(Name, "FPUTC", 19); #elif TRACE record_trace("FPUTC"); #endif vm_FPUTC(vm); break; } case 0x110000: /* HAL_MEM */ { #ifdef DEBUG strncpy(Name, "HAL_MEM", 19); #elif TRACE record_trace("HAL_MEM"); #endif vm_HAL_MEM(vm); break; } default: { fprintf(stderr, "Invalid HALCODE\nComputer Program has Halted\n"); illegal_instruction(vm, c); break; } } } #ifdef DEBUG fprintf(stdout, "# %s\n", Name); #endif return false; } /* Process 4OP Integer instructions */ bool eval_4OP_Int(struct lilith* vm, struct Instruction* c) { #ifdef DEBUG char Name[20] = "ILLEGAL_4OP"; #endif switch(c->raw_XOP) { case 0x00: /* ADD.CI */ { #ifdef DEBUG strncpy(Name, "ADD.CI", 19); #elif TRACE record_trace("ADD.CI"); #endif ADD_CI(vm, c); break; } case 0x01: /* ADD.CO */ { #ifdef DEBUG strncpy(Name, "ADD.CO", 19); #elif TRACE record_trace("ADD.CO"); #endif ADD_CO(vm, c); break; } case 0x02: /* ADD.CIO */ { #ifdef DEBUG strncpy(Name, "ADD.CIO", 19); #elif TRACE record_trace("ADD.CIO"); #endif ADD_CIO(vm, c); break; } case 0x03: /* ADDU.CI */ { #ifdef DEBUG strncpy(Name, "ADDU.CI", 19); #elif TRACE record_trace("ADDU.CI"); #endif ADDU_CI(vm, c); break; } case 0x04: /* ADDU.CO */ { #ifdef DEBUG strncpy(Name, "ADDU.CO", 19); #elif TRACE record_trace("ADDU.CO"); #endif ADDU_CO(vm, c); break; } case 0x05: /* ADDU.CIO */ { #ifdef DEBUG strncpy(Name, "ADDU.CIO", 19); #elif TRACE record_trace("ADDU.CIO"); #endif ADDU_CIO(vm, c); break; } case 0x06: /* SUB.BI */ { #ifdef DEBUG strncpy(Name, "SUB.BI", 19); #elif TRACE record_trace("SUB.BI"); #endif SUB_BI(vm, c); break; } case 0x07: /* SUB.BO */ { #ifdef DEBUG strncpy(Name, "SUB.BO", 19); #elif TRACE record_trace("SUB.BO"); #endif SUB_BO(vm, c); break; } case 0x08: /* SUB.BIO */ { #ifdef DEBUG strncpy(Name, "SUB.BIO", 19); #elif TRACE record_trace("SUB.BIO"); #endif SUB_BIO(vm, c); break; } case 0x09: /* SUBU.BI */ { #ifdef DEBUG strncpy(Name, "SUBU.BI", 19); #elif TRACE record_trace("SUBU.BI"); #endif SUBU_BI(vm, c); break; } case 0x0A: /* SUBU.BO */ { #ifdef DEBUG strncpy(Name, "SUBU.BO", 19); #elif TRACE record_trace("SUBU.BO"); #endif SUBU_BO(vm, c); break; } case 0x0B: /* SUBU.BIO */ { #ifdef DEBUG strncpy(Name, "SUBU.BIO", 19); #elif TRACE record_trace("SUBU.BIO"); #endif SUBU_BIO(vm, c); break; } case 0x0C: /* MULTIPLY */ { #ifdef DEBUG strncpy(Name, "MULTIPLY", 19); #elif TRACE record_trace("MULTIPLY"); #endif MULTIPLY(vm, c); break; } case 0x0D: /* MULTIPLYU */ { #ifdef DEBUG strncpy(Name, "MULTIPLYU", 19); #elif TRACE record_trace("MULTIPLYU"); #endif MULTIPLYU(vm, c); break; } case 0x0E: /* DIVIDE */ { #ifdef DEBUG strncpy(Name, "DIVIDE", 19); #elif TRACE record_trace("DIVIDE"); #endif DIVIDE(vm, c); break; } case 0x0F: /* DIVIDEU */ { #ifdef DEBUG strncpy(Name, "DIVIDEU", 19); #elif TRACE record_trace("DIVIDEU"); #endif DIVIDEU(vm, c); break; } case 0x10: /* MUX */ { #ifdef DEBUG strncpy(Name, "MUX", 19); #elif TRACE record_trace("MUX"); #endif MUX(vm, c); break; } case 0x11: /* NMUX */ { #ifdef DEBUG strncpy(Name, "NMUX", 19); #elif TRACE record_trace("NMUX"); #endif NMUX(vm, c); break; } case 0x12: /* SORT */ { #ifdef DEBUG strncpy(Name, "SORT", 19); #elif TRACE record_trace("SORT"); #endif SORT(vm, c); break; } case 0x13: /* SORTU */ { #ifdef DEBUG strncpy(Name, "SORTU", 19); #elif TRACE record_trace("SORTU"); #endif SORTU(vm, c); break; } default: { illegal_instruction(vm, c); break; } } #ifdef DEBUG fprintf(stdout, "# %s reg%u reg%u reg%u reg%u\n", Name, c->reg0, c->reg1, c->reg2, c->reg3); #endif return false; } /* Process 3OP Integer instructions */ bool eval_3OP_Int(struct lilith* vm, struct Instruction* c) { #ifdef DEBUG char Name[20] = "ILLEGAL_3OP"; #endif switch(c->raw_XOP) { case 0x000: /* ADD */ { #ifdef DEBUG strncpy(Name, "ADD", 19); #elif TRACE record_trace("ADD"); #endif ADD(vm, c); break; } case 0x001: /* ADDU */ { #ifdef DEBUG strncpy(Name, "ADDU", 19); #elif TRACE record_trace("ADDU"); #endif ADDU(vm, c); break; } case 0x002: /* SUB */ { #ifdef DEBUG strncpy(Name, "SUB", 19); #elif TRACE record_trace("SUB"); #endif SUB(vm, c); break; } case 0x003: /* SUBU */ { #ifdef DEBUG strncpy(Name, "SUBU", 19); #elif TRACE record_trace("SUBU"); #endif SUBU(vm, c); break; } case 0x004: /* CMP */ { #ifdef DEBUG strncpy(Name, "CMP", 19); #elif TRACE record_trace("CMP"); #endif CMP(vm, c); break; } case 0x005: /* CMPU */ { #ifdef DEBUG strncpy(Name, "CMPU", 19); #elif TRACE record_trace("CMPU"); #endif CMPU(vm, c); break; } case 0x006: /* MUL */ { #ifdef DEBUG strncpy(Name, "MUL", 19); #elif TRACE record_trace("MUL"); #endif MUL(vm, c); break; } case 0x007: /* MULH */ { #ifdef DEBUG strncpy(Name, "MULH", 19); #elif TRACE record_trace("MULH"); #endif MULH(vm, c); break; } case 0x008: /* MULU */ { #ifdef DEBUG strncpy(Name, "MULU", 19); #elif TRACE record_trace("MULU"); #endif MULU(vm, c); break; } case 0x009: /* MULUH */ { #ifdef DEBUG strncpy(Name, "MULUH", 19); #elif TRACE record_trace("MULUH"); #endif MULUH(vm, c); break; } case 0x00A: /* DIV */ { #ifdef DEBUG strncpy(Name, "DIV", 19); #elif TRACE record_trace("DIV"); #endif DIV(vm, c); break; } case 0x00B: /* MOD */ { #ifdef DEBUG strncpy(Name, "MOD", 19); #elif TRACE record_trace("MOD"); #endif MOD(vm, c); break; } case 0x00C: /* DIVU */ { #ifdef DEBUG strncpy(Name, "DIVU", 19); #elif TRACE record_trace("DIVU"); #endif DIVU(vm, c); break; } case 0x00D: /* MODU */ { #ifdef DEBUG strncpy(Name, "MODU", 19); #elif TRACE record_trace("MODU"); #endif MODU(vm, c); break; } case 0x010: /* MAX */ { #ifdef DEBUG strncpy(Name, "MAX", 19); #elif TRACE record_trace("MAX"); #endif MAX(vm, c); break; } case 0x011: /* MAXU */ { #ifdef DEBUG strncpy(Name, "MAXU", 19); #elif TRACE record_trace("MAXU"); #endif MAXU(vm, c); break; } case 0x012: /* MIN */ { #ifdef DEBUG strncpy(Name, "MIN", 19); #elif TRACE record_trace("MIN"); #endif MIN(vm, c); break; } case 0x013: /* MINU */ { #ifdef DEBUG strncpy(Name, "MINU", 19); #elif TRACE record_trace("MINU"); #endif MINU(vm, c); break; } case 0x014: /* PACK */ case 0x015: /* UNPACK */ case 0x016: /* PACK8.CO */ case 0x017: /* PACK8U.CO */ case 0x018: /* PACK16.CO */ case 0x019: /* PACK16U.CO */ case 0x01A: /* PACK32.CO */ case 0x01B: /* PACK32U.CO */ { illegal_instruction(vm, c); break; } case 0x020: /* AND */ { #ifdef DEBUG strncpy(Name, "AND", 19); #elif TRACE record_trace("AND"); #endif AND(vm, c); break; } case 0x021: /* OR */ { #ifdef DEBUG strncpy(Name, "OR", 19); #elif TRACE record_trace("OR"); #endif OR(vm, c); break; } case 0x022: /* XOR */ { #ifdef DEBUG strncpy(Name, "XOR", 19); #elif TRACE record_trace("XOR"); #endif XOR(vm, c); break; } case 0x023: /* NAND */ { #ifdef DEBUG strncpy(Name, "NAND", 19); #elif TRACE record_trace("NAND"); #endif NAND(vm, c); break; } case 0x024: /* NOR */ { #ifdef DEBUG strncpy(Name, "NOR", 19); #elif TRACE record_trace("NOR"); #endif NOR(vm, c); break; } case 0x025: /* XNOR */ { #ifdef DEBUG strncpy(Name, "XNOR", 19); #elif TRACE record_trace("XNOR"); #endif XNOR(vm, c); break; } case 0x026: /* MPQ */ { #ifdef DEBUG strncpy(Name, "MPQ", 19); #elif TRACE record_trace("MPQ"); #endif MPQ(vm, c); break; } case 0x027: /* LPQ */ { #ifdef DEBUG strncpy(Name, "LPQ", 19); #elif TRACE record_trace("LPQ"); #endif LPQ(vm, c); break; } case 0x028: /* CPQ */ { #ifdef DEBUG strncpy(Name, "CPQ", 19); #elif TRACE record_trace("CPQ"); #endif CPQ(vm, c); break; } case 0x029: /* BPQ */ { #ifdef DEBUG strncpy(Name, "BPQ", 19); #elif TRACE record_trace("BPQ"); #endif BPQ(vm, c); break; } case 0x030: /* SAL */ { #ifdef DEBUG strncpy(Name, "SAL", 19); #elif TRACE record_trace("SAL"); #endif SAL(vm, c); break; } case 0x031: /* SAR */ { #ifdef DEBUG strncpy(Name, "SAR", 19); #elif TRACE record_trace("SAR"); #endif SAR(vm, c); break; } case 0x032: /* SL0 */ { #ifdef DEBUG strncpy(Name, "SL0", 19); #elif TRACE record_trace("SL0"); #endif SL0(vm, c); break; } case 0x033: /* SR0 */ { #ifdef DEBUG strncpy(Name, "SR0", 19); #elif TRACE record_trace("SR0"); #endif SR0(vm, c); break; } case 0x034: /* SL1 */ { #ifdef DEBUG strncpy(Name, "SL1", 19); #elif TRACE record_trace("SL1"); #endif SL1(vm, c); break; } case 0x035: /* SR1 */ { #ifdef DEBUG strncpy(Name, "SR1", 19); #elif TRACE record_trace("SR1"); #endif SR1(vm, c); break; } case 0x036: /* ROL */ { #ifdef DEBUG strncpy(Name, "ROL", 19); #elif TRACE record_trace("ROL"); #endif ROL(vm, c); break; } case 0x037: /* ROR */ { #ifdef DEBUG strncpy(Name, "ROR", 19); #elif TRACE record_trace("ROR"); #endif ROR(vm, c); break; } case 0x038: /* LOADX */ { #ifdef DEBUG strncpy(Name, "LOADX", 19); #elif TRACE record_trace("LOADX"); #endif LOADX(vm, c); break; } case 0x039: /* LOADX8 */ { #ifdef DEBUG strncpy(Name, "LOADX8", 19); #elif TRACE record_trace("LOADX8"); #endif LOADX8(vm, c); break; } case 0x03A: /* LOADXU8 */ { #ifdef DEBUG strncpy(Name, "LOADXU8", 19); #elif TRACE record_trace("LOADXU8"); #endif LOADXU8(vm, c); break; } case 0x03B: /* LOADX16 */ { #ifdef DEBUG strncpy(Name, "LOADX16", 19); #elif TRACE record_trace("LOADX16"); #endif LOADX16(vm, c); break; } case 0x03C: /* LOADXU16 */ { #ifdef DEBUG strncpy(Name, "LOADXU16", 19); #elif TRACE record_trace("LOADXU16"); #endif LOADXU16(vm, c); break; } case 0x03D: /* LOADX32 */ { #ifdef DEBUG strncpy(Name, "LOADX32", 19); #elif TRACE record_trace("LOADX32"); #endif LOADX32(vm, c); break; } case 0x03E: /* LOADXU32 */ { #ifdef DEBUG strncpy(Name, "LOADXU32", 19); #elif TRACE record_trace("LOADXU32"); #endif LOADXU32(vm, c); break; } case 0x048: /* STOREX */ { #ifdef DEBUG strncpy(Name, "STOREX", 19); #elif TRACE record_trace("STOREX"); #endif STOREX(vm, c); break; } case 0x049: /* STOREX8 */ { #ifdef DEBUG strncpy(Name, "STOREX8", 19); #elif TRACE record_trace("STOREX8"); #endif STOREX8(vm, c); break; } case 0x04A: /* STOREX16 */ { #ifdef DEBUG strncpy(Name, "STOREX16", 19); #elif TRACE record_trace("STOREX16"); #endif STOREX16(vm, c); break; } case 0x04B: /* STOREX32 */ { #ifdef DEBUG strncpy(Name, "STOREX32", 19); #elif TRACE record_trace("STOREX32"); #endif STOREX32(vm, c); break; } case 0x050: /* CMPJUMP.G */ { #ifdef DEBUG strncpy(Name, "CMPJUMP.G", 19); #elif TRACE record_trace("CMPJUMP.G"); #endif CMPJUMP_G(vm, c); break; } case 0x051: /* CMPJUMP.GE */ { #ifdef DEBUG strncpy(Name, "CMPJUMP.GE", 19); #elif TRACE record_trace("CMPJUMP.GE"); #endif CMPJUMP_GE(vm, c); break; } case 0x052: /* CMPJUMP.E */ { #ifdef DEBUG strncpy(Name, "CMPJUMP.E", 19); #elif TRACE record_trace("CMPJUMP.E"); #endif CMPJUMP_E(vm, c); break; } case 0x053: /* CMPJUMP.NE */ { #ifdef DEBUG strncpy(Name, "CMPJUMP.NE", 19); #elif TRACE record_trace("CMPJUMP.NE"); #endif CMPJUMP_NE(vm, c); break; } case 0x054: /* CMPJUMP.LE */ { #ifdef DEBUG strncpy(Name, "CMPJUMP.LE", 19); #elif TRACE record_trace("CMPJUMP.LE"); #endif CMPJUMP_LE(vm, c); break; } case 0x055: /* CMPJUMP.L */ { #ifdef DEBUG strncpy(Name, "CMPJUMP.L", 19); #elif TRACE record_trace("CMPJUMP.L"); #endif CMPJUMP_L(vm, c); break; } case 0x060: /* CMPJUMPU.G */ { #ifdef DEBUG strncpy(Name, "CMPJUMPU.G", 19); #elif TRACE record_trace("CMPJUMPU.G"); #endif CMPJUMPU_G(vm, c); break; } case 0x061: /* CMPJUMPU.GE */ { #ifdef DEBUG strncpy(Name, "CMPJUMPU.GE", 19); #elif TRACE record_trace("CMPJUMPU.GE"); #endif CMPJUMPU_GE(vm, c); break; } case 0x064: /* CMPJUMPU.LE */ { #ifdef DEBUG strncpy(Name, "CMPJUMPU.LE", 19); #elif TRACE record_trace("CMPJUMPU.LE"); #endif CMPJUMPU_LE(vm, c); break; } case 0x065: /* CMPJUMPU.L */ { #ifdef DEBUG strncpy(Name, "CMPJUMPU.L", 19); #elif TRACE record_trace("CMPJUMPU.L"); #endif CMPJUMPU_L(vm, c); break; } default: { illegal_instruction(vm, c); break; } } #ifdef DEBUG fprintf(stdout, "# %s reg%u reg%u reg%u\n", Name, c->reg0, c->reg1, c->reg2); #endif return false; } /* Process 2OP Integer instructions */ bool eval_2OP_Int(struct lilith* vm, struct Instruction* c) { #ifdef DEBUG char Name[20] = "ILLEGAL_2OP"; #endif switch(c->raw_XOP) { case 0x0000: /* NEG */ { #ifdef DEBUG strncpy(Name, "NEG", 19); #elif TRACE record_trace("NEG"); #endif NEG(vm, c); break; } case 0x0001: /* ABS */ { #ifdef DEBUG strncpy(Name, "ABS", 19); #elif TRACE record_trace("ABS"); #endif ABS(vm, c); break; } case 0x0002: /* NABS */ { #ifdef DEBUG strncpy(Name, "NABS", 19); #elif TRACE record_trace("NABS"); #endif NABS(vm, c); break; } case 0x0003: /* SWAP */ { #ifdef DEBUG strncpy(Name, "SWAP", 19); #elif TRACE record_trace("SWAP"); #endif SWAP(vm, c); break; } case 0x0004: /* COPY */ { #ifdef DEBUG strncpy(Name, "COPY", 19); #elif TRACE record_trace("COPY"); #endif COPY(vm, c); break; } case 0x0005: /* MOVE */ { #ifdef DEBUG strncpy(Name, "MOVE", 19); #elif TRACE record_trace("MOVE"); #endif MOVE(vm, c); break; } case 0x0006: /* NOT */ { #ifdef DEBUG strncpy(Name, "NOT", 19); #elif TRACE record_trace("NOT"); #endif NOT(vm, c); break; } case 0x0100: /* BRANCH */ { #ifdef DEBUG strncpy(Name, "BRANCH", 19); #elif TRACE record_trace("BRANCH"); #endif BRANCH(vm, c); break; } case 0x0101: /* CALL */ { #ifdef DEBUG strncpy(Name, "CALL", 19); #elif TRACE record_trace("CALL"); #endif CALL(vm, c); break; } case 0x0200: /* PUSHR */ { #ifdef DEBUG strncpy(Name, "PUSHR", 19); #elif TRACE record_trace("PUSHR"); #endif PUSHR(vm, c); break; } case 0x0201: /* PUSH8 */ { #ifdef DEBUG strncpy(Name, "PUSH8", 19); #elif TRACE record_trace("PUSH8"); #endif PUSH8(vm, c); break; } case 0x0202: /* PUSH16 */ { #ifdef DEBUG strncpy(Name, "PUSH16", 19); #elif TRACE record_trace("PUSH16"); #endif PUSH16(vm, c); break; } case 0x0203: /* PUSH32 */ { #ifdef DEBUG strncpy(Name, "PUSH32", 19); #elif TRACE record_trace("PUSH32"); #endif PUSH32(vm, c); break; } case 0x0280: /* POPR */ { #ifdef DEBUG strncpy(Name, "POPR", 19); #elif TRACE record_trace("POPR"); #endif POPR(vm, c); break; } case 0x0281: /* POP8 */ { #ifdef DEBUG strncpy(Name, "POP8", 19); #elif TRACE record_trace("POP8"); #endif POP8(vm, c); break; } case 0x0282: /* POPU8 */ { #ifdef DEBUG strncpy(Name, "POPU8", 19); #elif TRACE record_trace("POPU8"); #endif POPU8(vm, c); break; } case 0x0283: /* POP16 */ { #ifdef DEBUG strncpy(Name, "POP16", 19); #elif TRACE record_trace("POP16"); #endif POP16(vm, c); break; } case 0x0284: /* POPU16 */ { #ifdef DEBUG strncpy(Name, "POPU16", 19); #elif TRACE record_trace("POPU16"); #endif POPU16(vm, c); break; } case 0x0285: /* POP32 */ { #ifdef DEBUG strncpy(Name, "POP32", 19); #elif TRACE record_trace("POP32"); #endif POP32(vm, c); break; } case 0x0286: /* POPU32 */ { #ifdef DEBUG strncpy(Name, "POPU32", 19); #elif TRACE record_trace("POPU32"); #endif POPU32(vm, c); break; } case 0x0300: /* CMPSKIP.G */ { #ifdef DEBUG strncpy(Name, "CMPSKIP.G", 19); #elif TRACE record_trace("CMPSKIP.G"); #endif CMPSKIP_G(vm, c); break; } case 0x0301: /* CMPSKIP.GE */ { #ifdef DEBUG strncpy(Name, "CMPSKIP.GE", 19); #elif TRACE record_trace("CMPSKIP.GE"); #endif CMPSKIP_GE(vm, c); break; } case 0x0302: /* CMPSKIP.E */ { #ifdef DEBUG strncpy(Name, "CMPSKIP.E", 19); #elif TRACE record_trace("CMPSKIP.E"); #endif CMPSKIP_E(vm, c); break; } case 0x0303: /* CMPSKIP.NE */ { #ifdef DEBUG strncpy(Name, "CMPSKIP.NE", 19); #elif TRACE record_trace("CMPSKIP.NE"); #endif CMPSKIP_NE(vm, c); break; } case 0x0304: /* CMPSKIP.LE */ { #ifdef DEBUG strncpy(Name, "CMPSKIP.LE", 19); #elif TRACE record_trace("CMPSKIP.LE"); #endif CMPSKIP_LE(vm, c); break; } case 0x0305: /* CMPSKIP.L */ { #ifdef DEBUG strncpy(Name, "CMPSKIP.L", 19); #elif TRACE record_trace("CMPSKIP.L"); #endif CMPSKIP_L(vm, c); break; } case 0x0380: /* CMPSKIPU.G */ { #ifdef DEBUG strncpy(Name, "CMPSKIPU.G", 19); #elif TRACE record_trace("CMPSKIPU.G"); #endif CMPSKIPU_G(vm, c); break; } case 0x0381: /* CMPSKIPU.GE */ { #ifdef DEBUG strncpy(Name, "CMPSKIPU.GE", 19); #elif TRACE record_trace("CMPSKIPU.GE"); #endif CMPSKIPU_GE(vm, c); break; } case 0x0384: /* CMPSKIPU.LE */ { #ifdef DEBUG strncpy(Name, "CMPSKIPU.LE", 19); #elif TRACE record_trace("CMPSKIPU.LE"); #endif CMPSKIPU_LE(vm, c); break; } case 0x0385: /* CMPSKIPU.L */ { #ifdef DEBUG strncpy(Name, "CMPSKIPU.L", 19); #elif TRACE record_trace("CMPSKIPU.L"); #endif CMPSKIPU_L(vm, c); break; } default: { illegal_instruction(vm, c); break; } } #ifdef DEBUG fprintf(stdout, "# %s reg%u reg%u\n", Name, c->reg0, c->reg1); #endif return false; } /* Process 1OP Integer instructions */ bool eval_1OP_Int(struct lilith* vm, struct Instruction* c) { #ifdef DEBUG char Name[20] = "ILLEGAL_1OP"; #endif switch(c->raw_XOP) { case 0x00000: /* READPC */ { #ifdef DEBUG strncpy(Name, "READPC", 19); #elif TRACE record_trace("READPC"); #endif READPC(vm, c); break; } case 0x00001: /* READSCID */ { #ifdef DEBUG strncpy(Name, "READSCID", 19); #elif TRACE record_trace("READSCID"); #endif READSCID(vm, c); break; } case 0x00002: /* FALSE */ { #ifdef DEBUG strncpy(Name, "FALSE", 19); #elif TRACE record_trace("FALSE"); #endif FALSE(vm, c); break; } case 0x00003: /* TRUE */ { #ifdef DEBUG strncpy(Name, "TRUE", 19); #elif TRACE record_trace("TRUE"); #endif TRUE(vm, c); break; } case 0x01000: /* JSR_COROUTINE */ { #ifdef DEBUG strncpy(Name, "JSR_COROUTINE", 19); #elif TRACE record_trace("JSR_COROUTINE"); #endif JSR_COROUTINE(vm, c); break; } case 0x01001: /* RET */ { #ifdef DEBUG strncpy(Name, "RET", 19); #elif TRACE record_trace("RET"); #endif RET(vm, c); break; } case 0x02000: /* PUSHPC */ { #ifdef DEBUG strncpy(Name, "PUSHPC", 19); #elif TRACE record_trace("PUSHPC"); #endif PUSHPC(vm, c); break; } case 0x02001: /* POPPC */ { #ifdef DEBUG strncpy(Name, "POPPC", 19); #elif TRACE record_trace("POPPC"); #endif POPPC(vm, c); break; } default: { illegal_instruction(vm, c); break; } } #ifdef DEBUG fprintf(stdout, "# %s reg%u\n", Name, c->reg0); #endif return false; } /* Process 2OPI Integer instructions */ bool eval_2OPI_Int(struct lilith* vm, struct Instruction* c) { #ifdef DEBUG char Name[20] = "ILLEGAL_2OPI"; #endif /* 0x0E ... 0x2B */ /* 0xB0 ... 0xDF */ switch(c->raw2) { case 0x0E: /* ADDI */ { #ifdef DEBUG strncpy(Name, "ADDI", 19); #elif TRACE record_trace("ADDI"); #endif ADDI(vm, c); break; } case 0x0F: /* ADDUI */ { #ifdef DEBUG strncpy(Name, "ADDUI", 19); #elif TRACE record_trace("ADDUI"); #endif ADDUI(vm, c); break; } case 0x10: /* SUBI */ { #ifdef DEBUG strncpy(Name, "SUBI", 19); #elif TRACE record_trace("SUBI"); #endif SUBI(vm, c); break; } case 0x11: /* SUBUI */ { #ifdef DEBUG strncpy(Name, "SUBUI", 19); #elif TRACE record_trace("SUBUI"); #endif SUBUI(vm, c); break; } case 0x12: /* CMPI */ { #ifdef DEBUG strncpy(Name, "CMPI", 19); #elif TRACE record_trace("CMPI"); #endif CMPI(vm, c); break; } case 0x13: /* LOAD */ { #ifdef DEBUG strncpy(Name, "LOAD", 19); #elif TRACE record_trace("LOAD"); #endif LOAD(vm, c); break; } case 0x14: /* LOAD8 */ { #ifdef DEBUG strncpy(Name, "LOAD8", 19); #elif TRACE record_trace("LOAD8"); #endif LOAD8(vm, c); break; } case 0x15: /* LOADU8 */ { #ifdef DEBUG strncpy(Name, "LOADU8", 19); #elif TRACE record_trace("LOADU8"); #endif LOADU8(vm, c); break; } case 0x16: /* LOAD16 */ { #ifdef DEBUG strncpy(Name, "LOAD16", 19); #elif TRACE record_trace("LOAD16"); #endif LOAD16(vm, c); break; } case 0x17: /* LOADU16 */ { #ifdef DEBUG strncpy(Name, "LOADU16", 19); #elif TRACE record_trace("LOADU16"); #endif LOADU16(vm, c); break; } case 0x18: /* LOAD32 */ { #ifdef DEBUG strncpy(Name, "LOAD32", 19); #elif TRACE record_trace("LOAD32"); #endif LOAD32(vm, c); break; } case 0x19: /* LOADU32 */ { #ifdef DEBUG strncpy(Name, "LOADU32", 19); #elif TRACE record_trace("LOADU32"); #endif LOADU32(vm, c); break; } case 0x1F: /* CMPUI */ { #ifdef DEBUG strncpy(Name, "CMPUI", 19); #elif TRACE record_trace("CMPUI"); #endif CMPUI(vm, c); break; } case 0x20: /* STORE */ { #ifdef DEBUG strncpy(Name, "STORE", 19); #elif TRACE record_trace("STORE"); #endif STORE(vm, c); break; } case 0x21: /* STORE8 */ { #ifdef DEBUG strncpy(Name, "STORE8", 19); #elif TRACE record_trace("STORE8"); #endif STORE8(vm, c); break; } case 0x22: /* STORE16 */ { #ifdef DEBUG strncpy(Name, "STORE16", 19); #elif TRACE record_trace("STORE16"); #endif STORE16(vm, c); break; } case 0x23: /* STORE32 */ { #ifdef DEBUG strncpy(Name, "STORE32", 19); #elif TRACE record_trace("STORE32"); #endif STORE32(vm, c); break; } case 0xB0: /* ANDI */ { #ifdef DEBUG strncpy(Name, "ANDI", 19); #elif TRACE record_trace("ANDI"); #endif ANDI(vm, c); break; } case 0xB1: /* ORI */ { #ifdef DEBUG strncpy(Name, "ORI", 19); #elif TRACE record_trace("ORI"); #endif ORI(vm, c); break; } case 0xB2: /* XORI */ { #ifdef DEBUG strncpy(Name, "XORI", 19); #elif TRACE record_trace("XORI"); #endif XORI(vm, c); break; } case 0xB3: /* NANDI */ { #ifdef DEBUG strncpy(Name, "NANDI", 19); #elif TRACE record_trace("NANDI"); #endif NANDI(vm, c); break; } case 0xB4: /* NORI */ { #ifdef DEBUG strncpy(Name, "NORI", 19); #elif TRACE record_trace("NORI"); #endif NORI(vm, c); break; } case 0xB5: /* XNORI */ { #ifdef DEBUG strncpy(Name, "XNORI", 19); #elif TRACE record_trace("XNORI"); #endif XNORI(vm, c); break; } case 0xC0: /* CMPJUMPI.G */ { #ifdef DEBUG strncpy(Name, "CMPJUMPI.G", 19); #elif TRACE record_trace("CMPJUMPI.G"); #endif CMPJUMPI_G(vm, c); break; } case 0xC1: /* CMPJUMPI.GE */ { #ifdef DEBUG strncpy(Name, "CMPJUMPI.GE", 19); #elif TRACE record_trace("CMPJUMPI.GE"); #endif CMPJUMPI_GE(vm, c); break; } case 0xC2: /* CMPJUMPI.E */ { #ifdef DEBUG strncpy(Name, "CMPJUMPI.E", 19); #elif TRACE record_trace("CMPJUMPI.E"); #endif CMPJUMPI_E(vm, c); break; } case 0xC3: /* CMPJUMPI.NE */ { #ifdef DEBUG strncpy(Name, "CMPJUMPI.NE", 19); #elif TRACE record_trace("CMPJUMPI.NE"); #endif CMPJUMPI_NE(vm, c); break; } case 0xC4: /* CMPJUMPI.LE */ { #ifdef DEBUG strncpy(Name, "CMPJUMPI.LE", 19); #elif TRACE record_trace("CMPJUMPI.LE"); #endif CMPJUMPI_LE(vm, c); break; } case 0xC5: /* CMPJUMPI.L */ { #ifdef DEBUG strncpy(Name, "CMPJUMPI.L", 19); #elif TRACE record_trace("CMPJUMPI.L"); #endif CMPJUMPI_L(vm, c); break; } case 0xD0: /* CMPJUMPUI.G */ { #ifdef DEBUG strncpy(Name, "CMPJUMPUI.G", 19); #elif TRACE record_trace("CMPJUMPUI.G"); #endif CMPJUMPUI_G(vm, c); break; } case 0xD1: /* CMPJUMPUI.GE */ { #ifdef DEBUG strncpy(Name, "CMPJUMPUI.GE", 19); #elif TRACE record_trace("CMPJUMPUI.GE"); #endif CMPJUMPUI_GE(vm, c); break; } case 0xD4: /* CMPJUMPUI.LE */ { #ifdef DEBUG strncpy(Name, "CMPJUMPUI.LE", 19); #elif TRACE record_trace("CMPJUMPUI.LE"); #endif CMPJUMPUI_LE(vm, c); break; } case 0xD5: /* CMPJUMPUI.L */ { #ifdef DEBUG strncpy(Name, "CMPJUMPUI.L", 19); #elif TRACE record_trace("CMPJUMPUI.L"); #endif CMPJUMPUI_L(vm, c); break; } default: { illegal_instruction(vm, c); break; } } #ifdef DEBUG fprintf(stdout, "# %s reg%u reg%u %i\n", Name, c->reg0, c->reg1, c->raw_Immediate); #endif return false; } /* Process 1OPI Integer instructions */ bool eval_Integer_1OPI(struct lilith* vm, struct Instruction* c) { #ifdef DEBUG char Name[20] = "ILLEGAL_1OPI"; #endif uint32_t Opcode = (c->raw2 * 16) + c->raw_XOP; switch(Opcode) { case 0x2C0: /* JUMP.C */ { #ifdef DEBUG strncpy(Name, "JUMP.C", 19); #elif TRACE record_trace("JUMP.C"); #endif JUMP_C(vm, c); break; } case 0x2C1: /* JUMP.B */ { #ifdef DEBUG strncpy(Name, "JUMP.B", 19); #elif TRACE record_trace("JUMP.B"); #endif JUMP_B(vm, c); break; } case 0x2C2: /* JUMP.O */ { #ifdef DEBUG strncpy(Name, "JUMP.O", 19); #elif TRACE record_trace("JUMP.O"); #endif JUMP_O(vm, c); break; } case 0x2C3: /* JUMP.G */ { #ifdef DEBUG strncpy(Name, "JUMP.G", 19); #elif TRACE record_trace("JUMP.G"); #endif JUMP_G(vm, c); break; } case 0x2C4: /* JUMP.GE */ { #ifdef DEBUG strncpy(Name, "JUMP.GE", 19); #elif TRACE record_trace("JUMP.GE"); #endif JUMP_GE(vm, c); break; } case 0x2C5: /* JUMP.E */ { #ifdef DEBUG strncpy(Name, "JUMP.E", 19); #elif TRACE record_trace("JUMP.E"); #endif JUMP_E(vm, c); break; } case 0x2C6: /* JUMP.NE */ { #ifdef DEBUG strncpy(Name, "JUMP.NE", 19); #elif TRACE record_trace("JUMP.NE"); #endif JUMP_NE(vm, c); break; } case 0x2C7: /* JUMP.LE */ { #ifdef DEBUG strncpy(Name, "JUMP.LE", 19); #elif TRACE record_trace("JUMP.LE"); #endif JUMP_LE(vm, c); break; } case 0x2C8: /* JUMP.L */ { #ifdef DEBUG strncpy(Name, "JUMP.L", 19); #elif TRACE record_trace("JUMP.L"); #endif JUMP_L(vm, c); break; } case 0x2C9: /* JUMP.Z */ { #ifdef DEBUG strncpy(Name, "JUMP.Z", 19); #elif TRACE record_trace("JUMP.Z"); #endif JUMP_Z(vm, c); break; } case 0x2CA: /* JUMP.NZ */ { #ifdef DEBUG strncpy(Name, "JUMP.NZ", 19); #elif TRACE record_trace("JUMP.NZ"); #endif JUMP_NZ(vm, c); break; } case 0x2CB: /* JUMP.P */ { #ifdef DEBUG strncpy(Name, "JUMP.P", 19); #elif TRACE record_trace("JUMP.P"); #endif JUMP_P(vm, c); break; } case 0x2CC: /* JUMP.NP */ { #ifdef DEBUG strncpy(Name, "JUMP.NP", 19); #elif TRACE record_trace("JUMP.NP"); #endif JUMP_NP(vm, c); break; } case 0x2D0: /* CALLI */ { #ifdef DEBUG strncpy(Name, "CALLI", 19); #elif TRACE record_trace("CALLI"); #endif CALLI(vm, c); break; } case 0x2D1: /* LOADI */ { #ifdef DEBUG strncpy(Name, "LOADI", 19); #elif TRACE record_trace("LOADI"); #endif LOADI(vm, c); break; } case 0x2D2: /* LOADUI*/ { #ifdef DEBUG strncpy(Name, "LOADUI", 19); #elif TRACE record_trace("LOADUI"); #endif LOADUI(vm, c); break; } case 0x2D3: /* SALI */ { #ifdef DEBUG strncpy(Name, "SALI", 19); #elif TRACE record_trace("SALI"); #endif SALI(vm, c); break; } case 0x2D4: /* SARI */ { #ifdef DEBUG strncpy(Name, "SARI", 19); #elif TRACE record_trace("SARI"); #endif SARI(vm, c); break; } case 0x2D5: /* SL0I */ { #ifdef DEBUG strncpy(Name, "SL0I", 19); #elif TRACE record_trace("SL0I"); #endif SL0I(vm, c); break; } case 0x2D6: /* SR0I */ { #ifdef DEBUG strncpy(Name, "SR0I", 19); #elif TRACE record_trace("SR0I"); #endif SR0I(vm, c); break; } case 0x2D7: /* SL1I */ { #ifdef DEBUG strncpy(Name, "SL1I", 19); #elif TRACE record_trace("SL1I"); #endif SL1I(vm, c); break; } case 0x2D8: /* SR1I */ { #ifdef DEBUG strncpy(Name, "SR1I", 19); #elif TRACE record_trace("SR1I"); #endif SR1I(vm, c); break; } case 0x2E0: /* LOADR */ { #ifdef DEBUG strncpy(Name, "LOADR", 19); #elif TRACE record_trace("LOADR"); #endif LOADR(vm, c); break; } case 0x2E1: /* LOADR8 */ { #ifdef DEBUG strncpy(Name, "LOADR8", 19); #elif TRACE record_trace("LOADR8"); #endif LOADR8(vm, c); break; } case 0x2E2: /* LOADRU8 */ { #ifdef DEBUG strncpy(Name, "LOADRU8", 19); #elif TRACE record_trace("LOADRU8"); #endif LOADRU8(vm, c); break; } case 0x2E3: /* LOADR16 */ { #ifdef DEBUG strncpy(Name, "LOADR16", 19); #elif TRACE record_trace("LOADR16"); #endif LOADR16(vm, c); break; } case 0x2E4: /* LOADRU16 */ { #ifdef DEBUG strncpy(Name, "LOADRU16", 19); #elif TRACE record_trace("LOADRU16"); #endif LOADRU16(vm, c); break; } case 0x2E5: /* LOADR32 */ { #ifdef DEBUG strncpy(Name, "LOADR32", 19); #elif TRACE record_trace("LOADR32"); #endif LOADR32(vm, c); break; } case 0x2E6: /* LOADRU32 */ { #ifdef DEBUG strncpy(Name, "LOADRU32", 19); #elif TRACE record_trace("LOADRU32"); #endif LOADRU32(vm, c); break; } case 0x2F0: /* STORER */ { #ifdef DEBUG strncpy(Name, "STORER", 19); #elif TRACE record_trace("STORER"); #endif STORER(vm, c); break; } case 0x2F1: /* STORER8 */ { #ifdef DEBUG strncpy(Name, "STORER8", 19); #elif TRACE record_trace("STORER8"); #endif STORER8(vm, c); break; } case 0x2F2: /* STORER16 */ { #ifdef DEBUG strncpy(Name, "STORER16", 19); #elif TRACE record_trace("STORER16"); #endif STORER16(vm, c); break; } case 0x2F3: /* STORER32 */ { #ifdef DEBUG strncpy(Name, "STORER32", 19); #elif TRACE record_trace("STORER32"); #endif STORER32(vm, c); break; } case 0xA00: /* CMPSKIPI.G */ { #ifdef DEBUG strncpy(Name, "CMPSKIPI.G", 19); #elif TRACE record_trace("CMPSKIPI.G"); #endif CMPSKIPI_G(vm, c); break; } case 0xA01: /* CMPSKIPI.GE */ { #ifdef DEBUG strncpy(Name, "CMPSKIPI.GE", 19); #elif TRACE record_trace("CMPSKIPI.GE"); #endif CMPSKIPI_GE(vm, c); break; } case 0xA02: /* CMPSKIPI.E */ { #ifdef DEBUG strncpy(Name, "CMPSKIPI.E", 19); #elif TRACE record_trace("CMPSKIPI.E"); #endif CMPSKIPI_E(vm, c); break; } case 0xA03: /* CMPSKIPI.NE */ { #ifdef DEBUG strncpy(Name, "CMPSKIPI.NE", 19); #elif TRACE record_trace("CMPSKIPI.NE"); #endif CMPSKIPI_NE(vm, c); break; } case 0xA04: /* CMPSKIPI.LE */ { #ifdef DEBUG strncpy(Name, "CMPSKIPI.LE", 19); #elif TRACE record_trace("CMPSKIPI.LE"); #endif CMPSKIPI_LE(vm, c); break; } case 0xA05: /* CMPSKIPI.L */ { #ifdef DEBUG strncpy(Name, "CMPSKIPI.L", 19); #elif TRACE record_trace("CMPSKIPI.L"); #endif CMPSKIPI_L(vm, c); break; } case 0xA10: /* CMPSKIPUI.G */ { #ifdef DEBUG strncpy(Name, "CMPSKIPUI.G", 19); #elif TRACE record_trace("CMPSKIPUI.G"); #endif CMPSKIPUI_G(vm, c); break; } case 0xA11: /* CMPSKIPUI.GE */ { #ifdef DEBUG strncpy(Name, "CMPSKIPUI.GE", 19); #elif TRACE record_trace("CMPSKIPUI.GE"); #endif CMPSKIPUI_GE(vm, c); break; } case 0xA14: /* CMPSKIPUI.LE */ { #ifdef DEBUG strncpy(Name, "CMPSKIPUI.LE", 19); #elif TRACE record_trace("CMPSKIPUI.LE"); #endif CMPSKIPUI_LE(vm, c); break; } case 0xA15: /* CMPSKIPUI.L */ { #ifdef DEBUG strncpy(Name, "CMPSKIPUI.L", 19); #elif TRACE record_trace("CMPSKIPUI.L"); #endif CMPSKIPUI_L(vm, c); break; } default: { illegal_instruction(vm, c); break; } } #ifdef DEBUG fprintf(stdout, "# %s reg%u %d\n", Name, c->reg0, c->raw_Immediate); #endif return false; } /* Process 0OPI Integer instructions */ bool eval_Integer_0OPI(struct lilith* vm, struct Instruction* c) { #ifdef DEBUG char Name[20] = "ILLEGAL_0OPI"; #endif switch(c->raw_XOP) { case 0x00: /* JUMP */ { #ifdef DEBUG strncpy(Name, "JUMP", 19); #elif TRACE record_trace("JUMP"); #endif JUMP(vm, c); break; } default: { illegal_instruction(vm, c); break; } } #ifdef DEBUG fprintf(stdout, "# %s %d\n", Name, c->raw_Immediate); #endif return false; } /* Use Opcode to decide what to do and then have it done */ void eval_instruction(struct lilith* vm, struct Instruction* current) { performance_counter = performance_counter + 1; #ifdef DEBUG fprintf(stdout, "Executing: %s\n", current->operation); usleep(1000); #endif switch(current->raw0) { case 0x00: /* Deal with NOPs */ { if(0 == current->raw0 && 0 == current->raw1 && 0 == current->raw2 && 0 == current->raw3) { #ifdef TRACE record_trace("NOP"); #endif return; } illegal_instruction(vm, current); } case 0x01: /* Integer 4OP */ { decode_4OP(current); eval_4OP_Int(vm, current); break; } case 0x05: /* Integer 3OP */ { decode_3OP(current); eval_3OP_Int(vm, current); break; } case 0x09: /* Integer 2OP */ { decode_2OP(current); eval_2OP_Int(vm, current); break; } case 0x0D: /* Integer 1OP */ { decode_1OP(current); eval_1OP_Int(vm, current); break; } case 0xE1: /* Integer 2OPI */ { decode_2OPI(vm, current); eval_2OPI_Int(vm, current); break; } case 0xE0: /* Integer 1OPI */ { decode_1OPI(vm, current); eval_Integer_1OPI(vm, current); break; } case 0x3C: /* Integer 0OPI */ { decode_0OPI(current); eval_Integer_0OPI(vm, current); break; } case 0x42: /* HALCODE */ { decode_HALCODE(current); eval_HALCODE(vm, current); break; } case 0xFF: /* Deal with HALT */ { vm->halted = true; fprintf(stderr, "Computer Program has Halted\nAfter Executing %lu instructions\n", performance_counter); #ifdef TRACE record_trace("HALT"); print_traces(); #endif break; } default: /* Deal with illegal instruction */ { illegal_instruction(vm, current); break; } } }