?? disassemble.c
字號:
/*""FILE COMMENT""************************************************************** System Name : RENESAS uT-Engine* File Name : disassemble.c * Version : 1.01.00* Contents : Disassemble memory * Model : SH7145 micro T-Engine* CPU : SH7145* Compiler : GNU* OS : T-Kernel** note : The Software is being delivered to you "AS IS" * : and Renesas,whether explicitly or implicitly makes * : no warranty as to its Use or performance. * : RENESAS AND ITS SUPPLIER DO NOT AND CANNOT WARRANT * : THE PERFORMANCE OR RESULTS YOU MAY OBTAIN BY USING * : THE SOFTWARE. AS TO ANY MATTER INCLUDING WITHOUT * : LIMITATION NONINFRINGEMENT OF THIRD PARTY RIGHTS,* : MERCHANTABILITY, INTEGRATION, SATISFACTORY QUALITY, * : OR FITNESS FOR ANY PARTICULAR PURPOSE.** Copyright (c) 2004-2006 RENESAS TECHNOLOGY CORP. All Rights Reserved.* AND RENESAS SOLUTIONS CORP. All Rights Reserved.** history : 2004.12.21 ver1.00.00* : 2006.02.01 ver1.01.00*""FILE COMMENT END""*********************************************************/#ifdef _MIC_SH7145_#include <tk/tkernel.h>#include "shell.h"#include "shelldisp.h"#define ADDROFFSET 0x10extern int argcnt;extern char *cmdargs[];extern W errcode;extern char strstrstr[];void disasmword();typedef struct mnemonictbldata { unsigned short data; char *inst; } MnemonicTable;const MnemonicTable noArgsMnemonicTbl[8] = { { 0x0009,"NOP "}, { 0x000B,"RTS "}, { 0x002B,"RTE "}, { 0x0018,"SETT"}, { 0x001B,"SLEEP "}, { 0x0008,"CLRT"}, { 0x0028,"CLRMAC"}, { 0x0019,"DIV0U "}};const MnemonicTable mnemonicTbl0[9] = { /* 1234567890123456789 */ { 4, "MOV.B R%d,@(R0,R%d)"}, { 5, "MOV.W R%d,@(R0,R%d)"}, { 6, "MOV.L R%d,@(R0,R%d)"}, { 7, "MUL.L R%d,R%d"}, { 9, "MOVT R%d"}, { 12, "MOV.B @(R0,R%d),R%d"}, { 13, "MOV.W @(R0,R%d),R%d"}, { 14, "MOV.L @(R0,R%d),R%d"}, { 15, "MAC.L @R%d+,@R%d+"}, };const char *mnemonicTbl0_STC[3] = { /* 1234567890123456789 */ "STC SR,R%d", "STC GBR,R%d", "STC VBR,R%d"};const char *mnemonicTbl0_STS[3] = { /* 1234567890123456789 */ "STS MACH,R%d", "STS MACL,R%d", "STS PR,R%d"};const char *mnemonicTbl0_BRA[2] = { /* 1234567890123456789 */ "BSRF R%d", "BRAF R%d"};const char *mnemonicTbl2[16] = { /* 1234567890123456789 */ "MOV.B R%d,@R%d", "MOV.W R%d,@R%d", "MOV.L R%d,@R%d", 0, "MOV.B R%d,@-R%d", "MOV.W R%d,@-R%d", "MOV.L R%d,@-R%d", "DIV0S R%d,R%d", "TST R%d,R%d", "AND R%d,R%d", "XOR R%d,R%d", "OR R%d,R%d", "CMP/STR R%d,R%d", "XTRCT R%d,R%d", "MULU.W R%d,R%d", "MULS.W R%d,R%d",};const char *mnemonicTbl3[16] = { "CMP/EQ R%d,R%d", 0, "CMP/HS R%d,R%d", "CMP/GE R%d,R%d", "DIV1 R%d,R%d", "DMULU.L R%d,R%d", "CMP/HI R%d,R%d", "CMP/GT R%d,R%d", "SUB R%d,R%d", 0, "SUBC R%d,R%d", "SUBV R%d,R%d", "ADD R%d,R%d", "DMULS.L R%d,R%d", "ADDC R%d,R%d", "ADDV R%d,R%d",};const char *mnemonicTbl4[] = { /* 0 */ "SHLL R%d", "DT R%d", "SHAL R%d", /* 1 */ "SHLR R%d", "CMP/PZ R%d", "SHAR R%d", /* 2 */ "STS.L MACH,@-R%d","STS.L MACL,@-R%d","STS.L PR,@-R%d", /* 3 */ "STC.L SR,@-R%d", "STC.L GBR,@-R%d", "STC.L VBR,@-R%d", /* 4 */ "ROTL R%d", "ROTCL R%d", /* 5 */ "ROTR R%d", "CMP/PL R%d", "ROTCR R%d", /* 6 */ "LDS.L @R%d+,MACH","LDS.L @R%d+,MACL","LDS.L @R%d+,PR", /* 7 */ "LDC.L @R%d+,SR", "LDC.L @R%d+,GBR", "LDC.L @R%d+,VBR", /* 8 */ "SHLL2 R%d", "SHLL8 R%d", "SHLL16 R%d", /* 9 */ "SHLR2 R%d", "SHLR8 R%d", "SHLR16 R%d", /* 10 */ "LDS R%d,MACH", "LDS R%d,MACL", "LDS R%d,PR", /* 11 */ "JSR @R%d", "TAS.B @R%d", "JMP @R%d", /* 14 */ "LDC R%d,SR", "LDC R%d,GBR", "LDC R%d,VBR", /* 15 */ "MAC.W @R%d+,@R%d+"};int Tbl4offset[] = { 0,3,6,9,12,14,17,20,23,26,29,32,0,0,35,38 };const char *mnemonicTbl6[16] = { /* 1234567890123456789 */ "MOV.B @R%d,R%d", "MOV.W @R%d,R%d", "MOV.L @R%d,R%d", "MOV R%d,R%d", "MOV.B @R%d+,R%d", "MOV.W @R%d+,R%d", "MOV.L @R%d+,R%d", "NOT R%d,R%d", "SWAP.B R%d,R%d", "SWAP.W R%d,R%d", "NEGC R%d,R%d", "NEG R%d,R%d", "EXTU.B R%d,R%d", "EXTU.W R%d,R%d", "EXTS.B R%d,R%d", "EXTS.W R%d,R%d",};const MnemonicTable mnemonicTbl8[16] = { /* 1234567890123456789 */ { 0,"MOV.B R0,@(H'%02X:4,R%d)"}, { 2,"MOV.W R0,@(H'%02X:4,R%d)"}, { 0xFFFF,0}, { 0xFFFF,0}, { 0,"MOV.B @(H'%02X:4,R%d),R0"}, { 2,"MOV.W @(H'%02X:4,R%d),R0"}, { 0xFFFF,0}, { 0xFFFF,0}, { 0,"CMP/EQ #H'%02X,R0"}, { 0x12,"BT @H'%X:8"}, { 0xFFFF,0}, { 0x12,"BF @H'%X:8"}, { 0xFFFF,0}, { 0x12,"BT/S @H'%X:8"}, { 0xFFFF,0}, { 0x12,"BF/S @H'%X:8"},};const MnemonicTable mnemonicTbl12[16] = { /* 1234567890123456789 */ { 0,"MOV.B R0,@(H'%04X:8,GBR)"}, { 2,"MOV.W R0,@(H'%04X:8,GBR)"}, { 4,"MOV.L R0,@(H'%04X:8,GBR)"}, { 0,"TRAPA #H'%02X"}, { 0,"MOV.B @(H'%04X:8,GBR),R0"}, { 2,"MOV.W @(H'%04X:8,GBR),R0"}, { 4,"MOV.L @(H'%04X:8,GBR),R0"}, { 4,"MOVA @(H'%04X:8,PC),R0"}, { 0,"TST #H'%02X,R0"}, { 0,"AND #H'%02X,R0"}, { 0,"XOR #H'%02X,R0"}, { 0,"OR #H'%02X,R0"}, { 0,"TST.B #H'%02X,@(R0,GBR)"}, { 0,"AND.B #H'%02X,@(R0,GBR)"}, { 0,"XOR.B #H'%02X,@(R0,GBR)"}, { 0,"OR.B #H'%02X,@(R0,GBR)"},};/*""FUNC COMMENT""******************************************************* * ID : X.Y.Z * Abstructs : Disassemble memory *----------------------------------------------------------------------- * Include : *----------------------------------------------------------------------- * Definition : void DISASM_cmd() *----------------------------------------------------------------------- * Function : Disassemble memory *----------------------------------------------------------------------- * Argument : None *----------------------------------------------------------------------- * Return : None *----------------------------------------------------------------------- * Input : int argcnt; input command count * : char *cmdargs[]; input command data * Output : None *----------------------------------------------------------------------- * Used Func : disasemline() * : convertstring() * : _PutString() *----------------------------------------------------------------------- * Notice : None *""FUNC COMMENT END""***************************************************/void DISASM_cmd() { int i,ercd,count; unsigned long startaddr,endaddr; unsigned short *addr_offset; if(argcnt) { startaddr = get_ulnum(cmdargs[1],&ercd); if(ercd) goto illegalpar_return; if(startaddr%02) goto illegalpar_return; count = ADDROFFSET; if(argcnt == 2) { endaddr = get_ulnum(cmdargs[2],&ercd); if(ercd) goto illegalpar_return; if(endaddr < startaddr) goto illegalpar_return; count = (endaddr - startaddr)>>1; } } else { errcode = ER_LESSPAR; return; } addr_offset = (unsigned short *)startaddr; for(i=0;i<count;i++){ printargs[0] = (VP)addr_offset; printargs[1] = (VP)(*(addr_offset)); convertstring(strstrstr,"%08X %04X ",printargs); DSP; disasmword(addr_offset); DSP_LF; addr_offset++; } return;illegalpar_return: errcode = ER_ILLEGALPAR; return;}/*""FUNC COMMENT""******************************************************* * ID : X.Y.Z * Abstructs : Disassemble 1word(16bit) data *----------------------------------------------------------------------- * Include : *----------------------------------------------------------------------- * Definition : void disasmword(unsigned short *) *----------------------------------------------------------------------- * Function : Disassemble 1word(16bit) data *----------------------------------------------------------------------- * Argument : unsigned short *addr; *----------------------------------------------------------------------- * Return : nmonic code string *----------------------------------------------------------------------- * Input : None * Output : None *----------------------------------------------------------------------- * Used Func : convertstring() * : _PutString() *----------------------------------------------------------------------- * Notice : None *""FUNC COMMENT END""***************************************************/void disasmword(unsigned short *addr){ int i,offset; unsigned short data0,data1,data2,data3; unsigned short data; short pcdisp; data = *addr; data0 = (data & 0xf000) >> 12; data1 = (data & 0x0f00) >> 8; data2 = (data & 0x00f0) >> 4; data3 = (data & 0x000f); if(data0 == 15) goto data_return; /* "DATA" */ switch(data0){ case 0: /* check no args instruction */ for(i=0;i<8;i++) { if(data == noArgsMnemonicTbl[i].data) { _PutString(noArgsMnemonicTbl[i].inst); return; } } /* check args instruction */ switch(data3){ case 0: case 1: case 8: goto data_return; break; case 2: if(data2>2) goto data_return; printargs[0] = (VP)data1; convertstring(strstrstr,(unsigned char *)mnemonicTbl0_STC[data2],printargs); DSP; break; case 3: if((!data2)||(data2==2)) { printargs[0] = (VP)data1; if(data2) offset = 1; else offset = 0; convertstring(strstrstr,(unsigned char *)mnemonicTbl0_BRA[offset],printargs); DSP; } else goto data_return; break; case 10: if(data2>2) goto data_return; printargs[0] = (VP)data1; convertstring(strstrstr,(unsigned char *)mnemonicTbl0_STS[data2],printargs); DSP; break; default: for(i=0;i<9;i++) { if( data3 == mnemonicTbl0[i].data) { if(data3 == 9 ) { if(data2 != 2) goto data_return; else printargs[0] = (VP)data1; } else { printargs[0] = (VP)data2; printargs[1] = (VP)data1; } convertstring(strstrstr,(unsigned char *)mnemonicTbl0[i].inst,printargs); DSP; return; break; } } goto data_return; break; } break; case 1: /* "MOV.L Rm,@(disp,Rn)" data1=n,2=m,3=disp */ printargs[0] = (VP)data2; printargs[1] = (VP)(data3*4); printargs[2] = (VP)data1; convertstring(strstrstr,"MOV.L R%d,@(H'%02X:4,R%d)",printargs); DSP; break; case 2: /* data1=n,data2=m */ if(data3 == 3) goto data_return; printargs[0] = (VP)data2; printargs[1] = (VP)data1; convertstring(strstrstr,(unsigned char *)mnemonicTbl2[data3],printargs); DSP; break; case 3: if((data3 == 1)||(data3 == 9)) goto data_return; printargs[0] = (VP)data2; printargs[1] = (VP)data1; convertstring(strstrstr,(unsigned char *)mnemonicTbl3[data3],printargs); DSP; break; case 4: switch(data3){ case 4: if((data2>2)||(data2==1)) goto data_return; if(data2) offset = Tbl4offset[4] + 1; else offset = Tbl4offset[4]; break; case 12: case 13: goto data_return; break; case 15: printargs[0] = (VP)data2; printargs[1] = (VP)data1; convertstring(strstrstr,(unsigned char *)mnemonicTbl4[38],printargs); DSP; return; break; default: if(data2>2) goto data_return; offset = Tbl4offset[data3]+data2; break; } printargs[0] = (VP)data1; convertstring(strstrstr,(unsigned char *)mnemonicTbl4[offset],printargs); DSP; break; case 5: /* "MOV.L @(disp,Rm),Rn" data1=n,2=m,3=disp */ printargs[0] = (VP)(data3*4); printargs[1] = (VP)data2; printargs[2] = (VP)data1; convertstring(strstrstr,"MOV.L @(H'%02X:4,R%d),R%d",printargs); DSP; break; case 6: printargs[0] = (VP)data2; printargs[1] = (VP)data1; convertstring(strstrstr,(unsigned char *)mnemonicTbl6[data3],printargs); DSP; break; case 7: /* "ADD #imm,Rn" data1=n,2,3=imm */ case 14: /* "MOV #imm,Rn" data1=n,2,3=imm */ if(data0 == 7) printargs[0] = (VP)"ADD"; else printargs[0] = (VP)"MOV"; printargs[1] = (VP)(data&0x00FF); printargs[2] = (VP)data1; convertstring(strstrstr,"%s #H'%02X,R%d",printargs); DSP; break; case 8: if(mnemonicTbl8[data1].data != 0xFFFF) { if( data1 >=8 ){ if(data1 == 8 ) { printargs[0] = (VP)(data&0x00FF); } else { pcdisp = (data&0x00FF); if(pcdisp & 0x0080) pcdisp -= 0x100; printargs[0] = (VP)(pcdisp+addr+2); } } else { if(mnemonicTbl8[data1].data) printargs[0] = (VP)(data3*2); else printargs[0] = (VP)data3; printargs[1] = (VP)data2; } convertstring(strstrstr,(unsigned char *)mnemonicTbl8[data1].inst,printargs); DSP; return; } else goto data_return; break; case 9: /* "MOV.W @(disp,PC),Rn" data1=n,2,3=disp */ case 13: /* "MOV.L @(disp,PC),Rn" data1=n,2,3=disp */ if(data0 == 9) { printargs[0] = (VP)"W"; printargs[1] = (VP)((data&0x00FF)*2); } else { printargs[0] = (VP)"L"; printargs[1] = (VP)((data&0x00FF)*4); } printargs[2] = (VP)data1; convertstring(strstrstr,"MOV.%s @(H'%04X:8,PC),R%d",printargs); DSP; break; case 10: /* "BRA label" data1,2,3=label */ case 11: /* "BSR label" data1,2,3=label */ if(data0 == 10) printargs[0] = (VP)"RA"; else printargs[0] = (VP)"SR"; pcdisp = (data&0x0FFF); if(pcdisp & 0x0800) pcdisp -= 0x1000; printargs[1] = (VP)(pcdisp+addr+2); convertstring(strstrstr,"B%s @H'%X:12",printargs); DSP; break; case 12: i = mnemonicTbl12[data1].data; if(i>0) printargs[0] = (VP)((data&0x00FF)*i); else printargs[0] = (VP)(data&0x00FF); convertstring(strstrstr,(unsigned char *)mnemonicTbl12[data1].inst,printargs); DSP; break; case 15: goto data_return; break; } return;data_return: _PutString("DATA"); return;}#endif // _MIC_SH7145_?? 快捷鍵說明
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