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1.1.1.2 ! root 1: /* $Id: cy7c601.c,v 1.4 2010/02/14 14:00:23 fredette Exp $ */ 1.1 root 2: 3: /* ic/m68k/cy7c601.c - implementation of Cypress SPARC CY7C601 emulation: */ 4: 5: /* 6: * Copyright (c) 2005 Matt Fredette 7: * All rights reserved. 8: * 9: * Redistribution and use in source and binary forms, with or without 10: * modification, are permitted provided that the following conditions 11: * are met: 12: * 1. Redistributions of source code must retain the above copyright 13: * notice, this list of conditions and the following disclaimer. 14: * 2. Redistributions in binary form must reproduce the above copyright 15: * notice, this list of conditions and the following disclaimer in the 16: * documentation and/or other materials provided with the distribution. 17: * 3. All advertising materials mentioning features or use of this software 18: * must display the following acknowledgement: 19: * This product includes software developed by Matt Fredette. 20: * 4. The name of the author may not be used to endorse or promote products 21: * derived from this software without specific prior written permission. 22: * 23: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 25: * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 26: * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 27: * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 28: * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 29: * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 31: * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 32: * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33: * POSSIBILITY OF SUCH DAMAGE. 34: */ 35: 36: #include <tme/common.h> 1.1.1.2 ! root 37: _TME_RCSID("$Id: cy7c601.c,v 1.4 2010/02/14 14:00:23 fredette Exp $"); 1.1 root 38: 39: /* includes: */ 40: #include "sparc-impl.h" 41: 42: /* the format three opcode map: */ 43: #define _TME_SPARC_EXECUTE_OPMAP tme_sparc_opcodes_cy7c601 44: const _tme_sparc32_format3 _TME_SPARC_EXECUTE_OPMAP[] = { 45: 46: /* op=2: arithmetic, logical, shift, and remaining: */ 47: 48: /* 000000 */ tme_sparc32_add, 49: /* 000001 */ tme_sparc32_and, 50: /* 000010 */ tme_sparc32_or, 51: /* 000011 */ tme_sparc32_xor, 52: /* 000100 */ tme_sparc32_sub, 53: /* 000101 */ tme_sparc32_andn, 54: /* 000110 */ tme_sparc32_orn, 55: /* 000111 */ tme_sparc32_xnor, 56: /* 001000 */ tme_sparc32_addx, 57: /* 001001 */ NULL, 58: /* 001010 */ tme_sparc32_illegal, /* the CY7C601 does not implement umul */ 59: /* 001011 */ tme_sparc32_illegal, /* the CY7C601 does not implement smul */ 60: /* 001100 */ tme_sparc32_subx, 61: /* 001101 */ NULL, 62: /* 001110 */ tme_sparc32_illegal, /* the CY7C601 does not implement udiv */ 63: /* 001111 */ tme_sparc32_illegal, /* the CY7C601 does not implement sdiv */ 64: /* 010000 */ tme_sparc32_addcc, 65: /* 010001 */ tme_sparc32_andcc, 66: /* 010010 */ tme_sparc32_orcc, 67: /* 010011 */ tme_sparc32_xorcc, 68: /* 010100 */ tme_sparc32_subcc, 69: /* 010101 */ tme_sparc32_andncc, 70: /* 010110 */ tme_sparc32_orncc, 71: /* 010111 */ tme_sparc32_xnorcc, 72: /* 011000 */ tme_sparc32_addxcc, 73: /* 011001 */ NULL, 74: /* 011010 */ tme_sparc32_illegal, /* the CY7C601 does not implement umulcc */ 75: /* 011011 */ tme_sparc32_illegal, /* the CY7C601 does not implement smulcc */ 76: /* 011100 */ tme_sparc32_subxcc, 77: /* 011101 */ NULL, 78: /* 011110 */ tme_sparc32_illegal, /* the CY7C601 does not implement udivcc */ 79: /* 011111 */ tme_sparc32_illegal, /* the CY7C601 does not implement sdivcc */ 80: /* 100000 */ tme_sparc32_taddcc, 81: /* 100001 */ tme_sparc32_tsubcc, 82: /* 100010 */ tme_sparc32_taddcctv, 83: /* 100011 */ tme_sparc32_tsubcctv, 84: /* 100100 */ tme_sparc32_mulscc, 85: /* 100101 */ tme_sparc32_sll, 86: /* 100110 */ tme_sparc32_srl, 87: /* 100111 */ tme_sparc32_sra, 88: /* 101000 */ tme_sparc32_rdasr, 89: /* 101001 */ tme_sparc32_rdpsr, 90: /* 101010 */ tme_sparc32_rdwim, 91: /* 101011 */ tme_sparc32_rdtbr, 92: /* 101100 */ NULL, 93: /* 101101 */ NULL, 94: /* 101110 */ NULL, 95: /* 101111 */ NULL, 96: /* 110000 */ tme_sparc32_wrasr, 97: /* 110001 */ tme_sparc32_wrpsr, 98: /* 110010 */ tme_sparc32_wrwim, 99: /* 110011 */ tme_sparc32_wrtbr, 100: /* 110100 */ tme_sparc32_fpop1, 101: /* 110101 */ tme_sparc32_fpop2, 102: /* 110110 */ tme_sparc32_cpop1, 103: /* 110111 */ tme_sparc32_cpop2, 104: /* 111000 */ tme_sparc32_jmpl, 105: /* 111001 */ tme_sparc32_rett, 106: /* 111010 */ tme_sparc32_ticc, 107: /* 111011 */ tme_sparc32_flush, 108: /* 111100 */ tme_sparc32_save_restore, 109: /* 111101 */ tme_sparc32_save_restore, 110: /* 111110 */ NULL, 111: /* 111111 */ NULL, 112: 113: /* op=3: memory instructions: */ 114: 115: /* 000000 */ tme_sparc32_ld, 116: /* 000001 */ tme_sparc32_ldb, 117: /* 000010 */ tme_sparc32_ldh, 118: /* 000011 */ tme_sparc32_ldd, 119: /* 000100 */ tme_sparc32_st, 120: /* 000101 */ tme_sparc32_stb, 121: /* 000110 */ tme_sparc32_sth, 122: /* 000111 */ tme_sparc32_std, 123: /* 001000 */ NULL, 124: /* 001001 */ tme_sparc32_ldb, 125: /* 001010 */ tme_sparc32_ldh, 126: /* 001011 */ NULL, 127: /* 001100 */ NULL, 128: /* 001101 */ tme_sparc32_ldstub, 129: /* 001110 */ NULL, 130: /* 001111 */ tme_sparc32_swap, 131: /* 010000 */ tme_sparc32_lda, 132: /* 010001 */ tme_sparc32_ldba, 133: /* 010010 */ tme_sparc32_ldha, 134: /* 010011 */ tme_sparc32_ldda, 135: /* 010100 */ tme_sparc32_sta, 136: /* 010101 */ tme_sparc32_stba, 137: /* 010110 */ tme_sparc32_stha, 138: /* 010111 */ tme_sparc32_stda, 139: /* 011000 */ NULL, 140: /* 011001 */ tme_sparc32_ldba, 141: /* 011010 */ tme_sparc32_ldha, 142: /* 011011 */ NULL, 143: /* 011100 */ NULL, 144: /* 011101 */ tme_sparc32_ldstuba, 145: /* 011110 */ NULL, 146: /* 011111 */ tme_sparc32_swapa, 147: /* 100000 */ tme_sparc32_ldf, 148: /* 100001 */ tme_sparc32_ldfsr, 149: /* 100010 */ NULL, 150: /* 100011 */ tme_sparc32_lddf, 151: /* 100100 */ tme_sparc32_stf, 152: /* 100101 */ tme_sparc32_stfsr, 153: /* 100110 */ tme_sparc32_stdfq, 154: /* 100111 */ tme_sparc32_stdf, 155: /* 101000 */ NULL, 156: /* 101001 */ NULL, 157: /* 101010 */ NULL, 158: /* 101011 */ NULL, 159: /* 101100 */ NULL, 160: /* 101101 */ NULL, 161: /* 101110 */ NULL, 162: /* 101111 */ NULL, 163: /* 110000 */ tme_sparc32_ldc, 164: /* 110001 */ tme_sparc32_ldcsr, 165: /* 110010 */ NULL, 166: /* 110011 */ tme_sparc32_lddc, 167: /* 110100 */ tme_sparc32_stc, 168: /* 110101 */ tme_sparc32_stcsr, 169: /* 110110 */ tme_sparc32_stdcq, 170: /* 110111 */ tme_sparc32_stdc, 171: /* 111000 */ NULL, 172: /* 111001 */ NULL, 173: /* 111010 */ NULL, 174: /* 111011 */ NULL, 175: /* 111100 */ NULL, 176: /* 111101 */ NULL, 177: /* 111110 */ NULL, 178: /* 111111 */ NULL, 179: }; 180: 181: /* make the executor for the CY7C601: */ 182: #undef TME_SPARC_VERSION 183: #define TME_SPARC_VERSION(ic) (7) 184: #undef TME_SPARC_NWINDOWS 185: #define TME_SPARC_NWINDOWS(ic) (8) 186: #define _TME_SPARC_EXECUTE_NAME _tme_sparc_execute_cy7c601 187: #include "sparc-execute.c" 188: 189: /* this returns the version of an FPU for an cy7c601: */ 190: static tme_uint32_t 191: _tme_sparc_fpu_ver_cy7c601(struct tme_sparc *ic, const char *fpu_name, char **_output) 192: { 193: tme_uint32_t ver; 194: 195: /* if we're returning a usage: */ 196: if (_output != NULL) { 197: tme_output_append_error(_output, 198: "{ l64812/act8847 | l64814 | tms390-c602A | wtl3171/cy7c602 }"); 199: return (TME_SPARC_FSR_VER_missing); 200: } 201: 202: if (TME_ARG_IS(fpu_name, "l64812/act8847")) { 203: ver = 0; 204: } 205: else if (TME_ARG_IS(fpu_name, "l64814")) { 206: ver = 1; 207: } 208: else if (TME_ARG_IS(fpu_name, "tms390-c602A")) { 209: ver = 2; 210: } 211: else if (TME_ARG_IS(fpu_name, "wtl3171/cy7c602")) { 212: ver = 3; 213: } 214: else { 215: return (TME_SPARC_FSR_VER_missing); 216: } 217: 218: ic->tme_sparc_fpu_flags 219: = (TME_SPARC_FPU_FLAG_NO_QUAD 220: | TME_SPARC_FPU_FLAG_NO_FMUL_WIDER 221: | TME_SPARC_FPU_FLAG_OK_REG_MISALIGNED); 222: return (ver * _TME_FIELD_MASK_FACTOR(TME_SPARC_FSR_VER)); 223: } 224: 225: /* this creates and returns a new cy7c601: */ 226: TME_ELEMENT_X_NEW_DECL(tme_ic_,sparc,cy7c601) { 227: struct tme_sparc *ic; 228: tme_uint32_t psr; 229: 230: /* allocate the sparc structure: */ 231: ic = tme_new0(struct tme_sparc, 1); 232: ic->tme_sparc_element = element; 233: 1.1.1.2 ! root 234: /* initialize the synchronization parts of the structure: */ ! 235: tme_sparc_sync_init(ic); ! 236: 1.1 root 237: /* fill in the cy7c601-specific parts of the structure: */ 238: psr = 0; 239: TME_FIELD_MASK_DEPOSITU(psr, TME_SPARC32_PSR_IMPL, 1); 240: TME_FIELD_MASK_DEPOSITU(psr, TME_SPARC32_PSR_VER, 1); 241: ic->tme_sparc32_ireg_psr = psr; 242: ic->tme_sparc_version = TME_SPARC_VERSION(ic); 243: ic->tme_sparc_nwindows = TME_SPARC_NWINDOWS(ic); 1.1.1.2 ! root 244: ic->_tme_sparc32_execute_opmap = _TME_SPARC_EXECUTE_OPMAP; 1.1 root 245: ic->_tme_sparc_execute = _tme_sparc_execute_cy7c601; 246: ic->_tme_sparc_fpu_ver = _tme_sparc_fpu_ver_cy7c601; 1.1.1.2 ! root 247: ic->_tme_sparc_external_check = tme_sparc32_external_check; ! 248: ic->_tme_sparc_ls_address_map = tme_sparc32_ls_address_map; ! 249: ic->_tme_sparc_ls_bus_cycle = tme_sparc32_ls_bus_cycle; ! 250: ic->_tme_sparc_ls_bus_fault = tme_sparc_ls_bus_fault; ! 251: ic->_tme_sparc_ls_trap = tme_sparc32_ls_trap; ! 252: ic->tme_sparc_timing_loop_cycles_each = (1 + 1); ! 253: #ifdef _TME_SPARC_RECODE_VERIFY ! 254: ic->tme_sparc_recode_verify_ic_size = sizeof(struct tme_sparc); ! 255: ic->tme_sparc_recode_verify_ic_size_total = sizeof(struct tme_sparc); ! 256: #endif /* _TME_SPARC_RECODE_VERIFY */ 1.1 root 257: 258: /* call the common sparc new function: */ 259: return (tme_sparc_new(ic, args, extra, _output)); 260: } 261: 262: #undef TME_SPARC_VERSION 263: #define TME_SPARC_VERSION(ic) _TME_SPARC_VERSION(ic) 264: #undef TME_SPARC_NWINDOWS 265: #define TME_SPARC_NWINDOWS(ic) _TME_SPARC_NWINDOWS(ic) 266: #undef _TME_SPARC_EXECUTE_NAME 267: #undef _TME_SPARC_EXECUTE_OPMAP
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