[greatlrd] 25254: 1. Adding a dummycpu showing how you can write you own cpu brain. 2. Did make some cleanup work for m68k
Author: greatlrd Date: Sun Dec 31 19:03:07 2006 New Revision: 25254
URL: http://svn.reactos.org/svn/reactos?rev=25254&view=rev Log: 1. Adding a dummycpu showing how you can write you own cpu brain. 2. Did make some cleanup work for m68k
Added: trunk/rosapps/devutils/cputointel/dummycpu/ trunk/rosapps/devutils/cputointel/dummycpu/Dummy.h (with props) trunk/rosapps/devutils/cputointel/dummycpu/DummyBrain.c (with props) trunk/rosapps/devutils/cputointel/dummycpu/DummyBrain.h (with props) trunk/rosapps/devutils/cputointel/dummycpu/Dummyopcode.c (with props) Modified: trunk/rosapps/devutils/cputointel/cputointel.rbuild trunk/rosapps/devutils/cputointel/m68k/M68kBrain.c trunk/rosapps/devutils/cputointel/m68k/M68kBrain.h trunk/rosapps/devutils/cputointel/m68k/M68kopcode.c trunk/rosapps/devutils/cputointel/m68k/m68k.h
Modified: trunk/rosapps/devutils/cputointel/cputointel.rbuild URL: http://svn.reactos.org/svn/reactos/trunk/rosapps/devutils/cputointel/cputoin... ============================================================================== --- trunk/rosapps/devutils/cputointel/cputointel.rbuild (original) +++ trunk/rosapps/devutils/cputointel/cputointel.rbuild Sun Dec 31 19:03:07 2006 @@ -12,4 +12,7 @@ <file>m68k/M68kBrain.c</file> <file>m68k/M68kopcode.c</file>
+ <file>dummycpu/DummyBrain.c</file> + <file>dummycpu/Dummyopcode.c</file> + </module>
Added: trunk/rosapps/devutils/cputointel/dummycpu/Dummy.h URL: http://svn.reactos.org/svn/reactos/trunk/rosapps/devutils/cputointel/dummycp... ============================================================================== --- trunk/rosapps/devutils/cputointel/dummycpu/Dummy.h (added) +++ trunk/rosapps/devutils/cputointel/dummycpu/Dummy.h Sun Dec 31 19:03:07 2006 @@ -1,0 +1,10 @@ + +#include "../misc.h" + +/* here we put the prototype for the opcode api that brain need we show a example for it */ +CPU_INT DUMMY_Add(FILE *out, CPU_BYTE * cpu_buffer, CPU_UNINT cpu_pos, CPU_UNINT cpu_size, CPU_UNINT BaseAddress); + + +/* Export comment thing see m68k for example + * in dummy we do not show it, for it is diffent for each cpu + */
Propchange: trunk/rosapps/devutils/cputointel/dummycpu/Dummy.h ------------------------------------------------------------------------------ svn:eol-style = native
Added: trunk/rosapps/devutils/cputointel/dummycpu/DummyBrain.c URL: http://svn.reactos.org/svn/reactos/trunk/rosapps/devutils/cputointel/dummycp... ============================================================================== --- trunk/rosapps/devutils/cputointel/dummycpu/DummyBrain.c (added) +++ trunk/rosapps/devutils/cputointel/dummycpu/DummyBrain.c Sun Dec 31 19:03:07 2006 @@ -1,0 +1,137 @@ + +#include <stdio.h> +#include <stdlib.h> +#include "DummyBrain.h" +#include "Dummy.h" +#include "../misc.h" + +/* retun + * 0 = Ok + * 1 = unimplemt + * 2 = Unkonwn Opcode + * 3 = can not open read file + * 4 = can not open write file + * 5 = can not seek to end of read file + * 6 = can not get the file size of the read file + * 7 = read file size is Zero + * 8 = can not alloc memory + * 9 = can not read file + */ + +CPU_INT DummyBrain(char *infileName, char *outputfileName, CPU_UNINT BaseAddress) +{ + FILE *infp; + FILE *outfp; + CPU_BYTE *cpu_buffer; + CPU_UNINT cpu_pos = 0; + CPU_UNINT cpu_oldpos; + CPU_UNINT cpu_size=0; + CPU_INT cpuint; + CPU_INT retcode = 0; + CPU_INT retsize; + + /* Open file for read */ + if (!(infp = fopen(infileName,"RB"))) + { + printf("Can not open file %s\n",infileName); + return 3; + } + + /* Open file for write */ + if (!(outfp = fopen(outputfileName,"WB"))) + { + printf("Can not open file %s\n",outputfileName); + return 4; + } + + /* Load the binary file to a memory buffer */ + fseek(infp,0,SEEK_END); + if (!ferror(infp)) + { + printf("error can not seek in the read file"); + fclose(infp); + fclose(outfp); + return 5; + } + + /* get the memory size buffer */ + cpu_size = ftell(infp); + if (!ferror(infp)) + { + printf("error can not get file size of the read file"); + fclose(infp); + fclose(outfp); + return 6; + } + + if (cpu_size==0) + { + printf("error file size is Zero lenght of the read file"); + fclose(infp); + fclose(outfp); + return 7; + } + + /* alloc memory now */ + if (!(cpu_buffer = (unsigned char *) malloc(cpu_size))) + { + printf("error can not alloc %uld size for memory buffer",cpu_size); + fclose(infp); + fclose(outfp); + return 8; + } + + /* read from the file now in one sweep */ + fread(cpu_buffer,1,cpu_size,infp); + if (!ferror(infp)) + { + printf("error can not read file "); + fclose(infp); + fclose(outfp); + return 9; + } + fclose(infp); + + /* now we start the process */ + while (cpu_pos<cpu_size) + { + cpu_oldpos = cpu_pos; + + cpuint = cpu_buffer[cpu_pos]; + + /* Add */ + if ((cpuint - (cpuint & GetMaskByte(cpuDummyInit_Add))) == ConvertBitToByte(cpuDummyInit_Add)) + { + retsize = DUMMY_Add(outfp, cpu_buffer, cpu_pos, cpu_size, BaseAddress); + if (retsize<0) + retcode = 1; + else + cpu_pos += retsize; + } + + /* Found all Opcode and breakout and return no error found */ + if (cpu_pos >=cpu_size) + { + break; + } + + /* Check if we have found a cpu opcode */ + if (cpu_oldpos == cpu_pos) + { + if (retcode == 0) + { + /* no unimplement error where found so we return a msg for unknown opcode */ + printf("Unkonwn Opcode found at 0x%8x opcode 0x%2x\n",cpu_oldpos+BaseAddress,(unsigned int)cpu_buffer[cpu_oldpos]); + retcode = 2; + } + } + + /* Erorro Found ? */ + if (retcode!=0) + { + /* Erorro Found break and return the error code */ + break; + } + } + return retcode; +}
Propchange: trunk/rosapps/devutils/cputointel/dummycpu/DummyBrain.c ------------------------------------------------------------------------------ svn:eol-style = native
Added: trunk/rosapps/devutils/cputointel/dummycpu/DummyBrain.h URL: http://svn.reactos.org/svn/reactos/trunk/rosapps/devutils/cputointel/dummycp... ============================================================================== --- trunk/rosapps/devutils/cputointel/dummycpu/DummyBrain.h (added) +++ trunk/rosapps/devutils/cputointel/dummycpu/DummyBrain.h Sun Dec 31 19:03:07 2006 @@ -1,0 +1,12 @@ + +#include "../misc.h" + + +/* example how setup a opcode, this opcode is 16bit long (taken from M68K) + * 0 and 1 mean normal bit, 2 mean mask bit the bit that are determent diffent + * thing in the opcode, example which reg so on, it can be etither 0 or 1 in + * the opcode. but a opcode have also normal bit that is always been set to + * same. thuse bit are always 0 or 1 + */ +CPU_BYTE cpuDummyInit_Add[16] = {1,1,0,1,2,2,2,2,2,2,2,2,2,2,2,2}; +
Propchange: trunk/rosapps/devutils/cputointel/dummycpu/DummyBrain.h ------------------------------------------------------------------------------ svn:eol-style = native
Added: trunk/rosapps/devutils/cputointel/dummycpu/Dummyopcode.c URL: http://svn.reactos.org/svn/reactos/trunk/rosapps/devutils/cputointel/dummycp... ============================================================================== --- trunk/rosapps/devutils/cputointel/dummycpu/Dummyopcode.c (added) +++ trunk/rosapps/devutils/cputointel/dummycpu/Dummyopcode.c Sun Dec 31 19:03:07 2006 @@ -1,0 +1,35 @@ + +#include <stdio.h> +#include <stdlib.h> +#include "Dummy.h" +#include "misc.h" + + +/* cpuDummyInit_Add + * Input param : + * out : The file pointer that we write to (the output file to intel asm) + * cpu_buffer : The memory buffer we have our binary code that we whant convert + * cpu_pos : Current positions in the cpu_buffer + * cpu_size : The memory size of the cpu_buffer + * BaseAddress : The base address you whant the binay file should run from + * + * Return value : + * value -1 : unimplement + * value 0 : wrong opcode or not vaild opcode + * value +1 and higher : who many byte we should add to cpu_pos + */ + +CPU_INT DUMMY_Add(FILE *out, CPU_BYTE * cpu_buffer, CPU_UNINT cpu_pos, CPU_UNINT cpu_size, CPU_UNINT BaseAddress) + +{ + /* + * ConvertBitToByte() is perfect to use to get the bit being in use from a bit array + * GetMaskByte() is perfect if u whant known which bit have been mask out + * see M68kopcode.c and how it use the ConvertBitToByte() + */ + + fprintf(out,"Line_0x%8x :\n",BaseAddress + cpu_pos); + + printf(";Add unimplement\n"); + return -1; +}
Propchange: trunk/rosapps/devutils/cputointel/dummycpu/Dummyopcode.c ------------------------------------------------------------------------------ svn:eol-style = native
Modified: trunk/rosapps/devutils/cputointel/m68k/M68kBrain.c URL: http://svn.reactos.org/svn/reactos/trunk/rosapps/devutils/cputointel/m68k/M6... ============================================================================== --- trunk/rosapps/devutils/cputointel/m68k/M68kBrain.c (original) +++ trunk/rosapps/devutils/cputointel/m68k/M68kBrain.c Sun Dec 31 19:03:07 2006 @@ -100,7 +100,7 @@ cpuint = cpu_buffer[cpu_pos];
/* Abcd */ - if ((cpuint - (cpuint & GetMaskByte(cpuint_table_Abcd))) == ConvertBitToByte(cpuint_table_Abcd)) + if ((cpuint - (cpuint & GetMaskByte(cpuM68kInit_Abcd))) == ConvertBitToByte(cpuM68kInit_Abcd)) { retsize = M68k_Abcd(outfp, cpu_buffer, cpu_pos, cpu_size, BaseAddress); if (retsize<0) @@ -109,7 +109,7 @@ cpu_pos += retsize; } /* Add */ - if ((cpuint - (cpuint & GetMaskByte(cpuint_table_Add))) == ConvertBitToByte(cpuint_table_Add)) + if ((cpuint - (cpuint & GetMaskByte(cpuM68kInit_Add))) == ConvertBitToByte(cpuM68kInit_Add)) { retsize = M68k_Add(outfp, cpu_buffer, cpu_pos, cpu_size, BaseAddress); if (retsize<0) @@ -118,7 +118,7 @@ cpu_pos += retsize; } /* Addi */ - if ((cpuint - (cpuint & GetMaskByte(cpuint_table_Addi))) == ConvertBitToByte(cpuint_table_Addi)) + if ((cpuint - (cpuint & GetMaskByte(cpuM68kInit_Addi))) == ConvertBitToByte(cpuM68kInit_Addi)) { retsize = M68k_Addi(outfp, cpu_buffer, cpu_pos, cpu_size, BaseAddress); if (retsize<0) @@ -127,7 +127,7 @@ cpu_pos += retsize; } /* Addq */ - if ((cpuint - (cpuint & GetMaskByte(cpuint_table_Addq))) == ConvertBitToByte(cpuint_table_Addq)) + if ((cpuint - (cpuint & GetMaskByte(cpuM68kInit_Addq))) == ConvertBitToByte(cpuM68kInit_Addq)) { retsize = M68k_Addq(outfp, cpu_buffer, cpu_pos, cpu_size, BaseAddress); if (retsize<0) @@ -136,7 +136,7 @@ cpu_pos += retsize; } /* Addx */ - if ((cpuint - (cpuint & GetMaskByte(cpuint_table_Addx))) == ConvertBitToByte(cpuint_table_Addx)) + if ((cpuint - (cpuint & GetMaskByte(cpuM68kInit_Addx))) == ConvertBitToByte(cpuM68kInit_Addx)) { retsize = M68k_Addx(outfp, cpu_buffer, cpu_pos, cpu_size, BaseAddress); if (retsize<0) @@ -145,7 +145,7 @@ cpu_pos += retsize; } /* And */ - if ((cpuint - (cpuint & GetMaskByte(cpuint_table_And))) == ConvertBitToByte(cpuint_table_And)) + if ((cpuint - (cpuint & GetMaskByte(cpuM68kInit_And))) == ConvertBitToByte(cpuM68kInit_And)) { retsize = M68k_Add(outfp, cpu_buffer, cpu_pos, cpu_size, BaseAddress); if (retsize<0) @@ -154,7 +154,7 @@ cpu_pos += retsize; } /* Andi */ - if ((cpuint - (cpuint & GetMaskByte(cpuint_table_Andi))) == ConvertBitToByte(cpuint_table_Andi)) + if ((cpuint - (cpuint & GetMaskByte(cpuM68kInit_Andi))) == ConvertBitToByte(cpuM68kInit_Andi)) { retsize = M68k_Andi(outfp, cpu_buffer, cpu_pos, cpu_size, BaseAddress); if (retsize<0) @@ -163,10 +163,10 @@ cpu_pos += retsize; } /* AndToCCR */ - if ((cpuint - (cpuint & GetMaskByte(cpuint_table_AndToCCRF))) == ConvertBitToByte(cpuint_table_AndToCCRF)) + if ((cpuint - (cpuint & GetMaskByte(cpuM68kInit_AndToCCRF))) == ConvertBitToByte(cpuM68kInit_AndToCCRF)) { cpuint = cpu_buffer[cpu_pos+1]; - if ((cpuint - (cpuint & GetMaskByte(cpuint_table_AndToCCRS))) == ConvertBitToByte(cpuint_table_AndToCCRS)) + if ((cpuint - (cpuint & GetMaskByte(cpuM68kInit_AndToCCRS))) == ConvertBitToByte(cpuM68kInit_AndToCCRS)) { cpu_pos++; retsize = M68k_AndToCCR(outfp, cpu_buffer, cpu_pos, cpu_size, BaseAddress); @@ -177,7 +177,7 @@ } else { - cpuint = cpu_buffer[cpu_pos]; + cpuint = cpu_buffer[cpu_pos]; } }
Modified: trunk/rosapps/devutils/cputointel/m68k/M68kBrain.h URL: http://svn.reactos.org/svn/reactos/trunk/rosapps/devutils/cputointel/m68k/M6... ============================================================================== --- trunk/rosapps/devutils/cputointel/m68k/M68kBrain.h (original) +++ trunk/rosapps/devutils/cputointel/m68k/M68kBrain.h Sun Dec 31 19:03:07 2006 @@ -1,23 +1,23 @@
#include "../misc.h"
-CPU_BYTE cpuint_table_Abcd[16] = {1,1,1,1,2,2,2,1,0,0,0,0,2,2,2,2}; -CPU_BYTE cpuint_table_Add[16] = {1,1,0,1,2,2,2,2,2,2,2,2,2,2,2,2}; -CPU_BYTE cpuint_table_Addi[16] = {0,0,0,0,0,1,1,0,2,2,2,2,2,2,2,2}; -CPU_BYTE cpuint_table_Addq[16] = {0,1,0,1,2,2,2,0,2,2,2,2,2,2,2,2}; -CPU_BYTE cpuint_table_Addx[16] = {1,1,0,1,2,2,2,1,2,2,0,0,2,2,2,2}; -CPU_BYTE cpuint_table_And[16] = {1,1,0,0,2,2,2,2,2,2,2,2,2,2,2,2}; -CPU_BYTE cpuint_table_Andi[16] = {0,0,0,0,0,0,1,0,2,2,2,2,2,2,2,2}; -CPU_BYTE cpuint_table_AndToCCRF[16] = {0,0,0,0,0,0,1,0,0,0,1,1,1,1,0,0}; -CPU_BYTE cpuint_table_AndToCCRS[16] = {0,0,0,0,0,0,0,0,0,2,2,2,2,2,2,2}; -CPU_BYTE cpuint_table_Asl[16] = {1,1,1,0,2,2,2,0,2,2,2,0,0,2,2,2}; -CPU_BYTE cpuint_table_Asr[16] = {1,1,1,0,2,2,2,1,2,2,2,0,0,2,2,2}; +CPU_BYTE cpuM68kInit_Abcd[16] = {1,1,1,1,2,2,2,1,0,0,0,0,2,2,2,2}; +CPU_BYTE cpuM68kInit_Add[16] = {1,1,0,1,2,2,2,2,2,2,2,2,2,2,2,2}; +CPU_BYTE cpuM68kInit_Addi[16] = {0,0,0,0,0,1,1,0,2,2,2,2,2,2,2,2}; +CPU_BYTE cpuM68kInit_Addq[16] = {0,1,0,1,2,2,2,0,2,2,2,2,2,2,2,2}; +CPU_BYTE cpuM68kInit_Addx[16] = {1,1,0,1,2,2,2,1,2,2,0,0,2,2,2,2}; +CPU_BYTE cpuM68kInit_And[16] = {1,1,0,0,2,2,2,2,2,2,2,2,2,2,2,2}; +CPU_BYTE cpuM68kInit_Andi[16] = {0,0,0,0,0,0,1,0,2,2,2,2,2,2,2,2}; +CPU_BYTE cpuM68kInit_AndToCCRF[16] = {0,0,0,0,0,0,1,0,0,0,1,1,1,1,0,0}; +CPU_BYTE cpuM68kInit_AndToCCRS[16] = {0,0,0,0,0,0,0,0,0,2,2,2,2,2,2,2}; +CPU_BYTE cpuM68kInit_Asl[16] = {1,1,1,0,2,2,2,0,2,2,2,0,0,2,2,2}; +CPU_BYTE cpuM68kInit_Asr[16] = {1,1,1,0,2,2,2,1,2,2,2,0,0,2,2,2};
-CPU_BYTE table_Rx[16] = {0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0}; -CPU_BYTE table_RM[16] = {0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0}; -CPU_BYTE table_Ry[16] = {0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1}; -CPU_BYTE table_Opmode[16] = {0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0}; -CPU_BYTE table_Mode[16] = {0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0}; -CPU_BYTE table_Size[16] = {0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0}; +CPU_BYTE M68k_Rx[16] = {0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0}; +CPU_BYTE M68k_RM[16] = {0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0}; +CPU_BYTE M68k_Ry[16] = {0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1}; +CPU_BYTE M68k_Opmode[16] = {0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0}; +CPU_BYTE M68k_Mode[16] = {0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0}; +CPU_BYTE M68k_Size[16] = {0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0};
Modified: trunk/rosapps/devutils/cputointel/m68k/M68kopcode.c URL: http://svn.reactos.org/svn/reactos/trunk/rosapps/devutils/cputointel/m68k/M6... ============================================================================== --- trunk/rosapps/devutils/cputointel/m68k/M68kopcode.c (original) +++ trunk/rosapps/devutils/cputointel/m68k/M68kopcode.c Sun Dec 31 19:03:07 2006 @@ -21,10 +21,10 @@ CPU_INT Ry; //CPU_INT cpuint;
- opmode = ConvertBitToByte(table_Opmode); - mode = ConvertBitToByte(table_Mode); - Rx = ConvertBitToByte(table_Rx); - Ry = ConvertBitToByte(table_Ry); + opmode = ConvertBitToByte(M68k_Opmode); + mode = ConvertBitToByte(M68k_Mode); + Rx = ConvertBitToByte(M68k_Rx); + Ry = ConvertBitToByte(M68k_Ry);
fprintf(out,"Line_0x%8x :\n",BaseAddress + cpu_pos);
Modified: trunk/rosapps/devutils/cputointel/m68k/m68k.h URL: http://svn.reactos.org/svn/reactos/trunk/rosapps/devutils/cputointel/m68k/m6... ============================================================================== --- trunk/rosapps/devutils/cputointel/m68k/m68k.h (original) +++ trunk/rosapps/devutils/cputointel/m68k/m68k.h Sun Dec 31 19:03:07 2006 @@ -12,9 +12,9 @@ CPU_INT M68k_Asl(FILE *out, CPU_BYTE * cpu_buffer, CPU_UNINT cpu_pos, CPU_UNINT cpu_size, CPU_UNINT BaseAddress); CPU_INT M68k_Asr(FILE *out, CPU_BYTE * cpu_buffer, CPU_UNINT cpu_pos, CPU_UNINT cpu_size, CPU_UNINT BaseAddress);
-extern CPU_BYTE table_Rx[16]; -extern CPU_BYTE table_RM[16]; -extern CPU_BYTE table_Ry[16]; -extern CPU_BYTE table_Opmode[16]; -extern CPU_BYTE table_Mode[16]; -extern CPU_BYTE table_Size[16]; +extern CPU_BYTE M68k_Rx[16]; +extern CPU_BYTE M68k_RM[16]; +extern CPU_BYTE M68k_Ry[16]; +extern CPU_BYTE M68k_Opmode[16]; +extern CPU_BYTE M68k_Mode[16]; +extern CPU_BYTE M68k_Size[16];
-
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