diff options
Diffstat (limited to 'c/src/lib/libbsp/arm/nds/tools/ndstool/source/passme.cpp')
| -rw-r--r-- | c/src/lib/libbsp/arm/nds/tools/ndstool/source/passme.cpp | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/c/src/lib/libbsp/arm/nds/tools/ndstool/source/passme.cpp b/c/src/lib/libbsp/arm/nds/tools/ndstool/source/passme.cpp deleted file mode 100644 index 831547f6ef..0000000000 --- a/c/src/lib/libbsp/arm/nds/tools/ndstool/source/passme.cpp +++ /dev/null @@ -1,176 +0,0 @@ -/* - * Includes - */ -#include "ndstool.h" -#include "crc.h" -#include "passme_sram.h" - -/* - * - */ -#define DS_RAM 0x02000000 -#define RAM_SIZE (4*1024*1024) -unsigned char *pc_ram; - -/* - * Find - */ -template <typename T> unsigned long Find(FILE *f, const char *fmt, unsigned long begin, unsigned long end, T data, T mask, int thumb, int armnr) -{ - for (unsigned long i=begin; i<end; i+=sizeof(T)) - { - T w = *(T *)(pc_ram + i - DS_RAM); - w &= mask; - if (w == data) - { - if (armnr == 7) - header.arm7_entry_address = i + thumb; // ARM7 entry - else - header.arm9_entry_address = i + thumb; // ARM9 entry - if (f) fprintf(f, fmt, i + thumb); - printf(fmt, i + thumb); - return i; - } - } - return 0; -} - -/* - * PassMe - */ -int PassMe(char *ndsfilename, char *vhdfilename, char *sramfilename) -{ - fNDS = fopen(ndsfilename, "rb"); - if (!fNDS) { fprintf(stderr, "Cannot open file '%s'.\n", ndsfilename); exit(1); } - - FILE *fVHD = fopen(vhdfilename, "wt"); - if (vhdfilename && !fVHD) { fprintf(stderr, "Cannot open file '%s'.\n", vhdfilename); exit(1); } - - fread(&header, 512, 1, fNDS); - - if (fVHD) - { - fprintf(fVHD, "-- PassMe generated CPLD code\n"); - fprintf(fVHD, "-- Game code: \t"); for (unsigned int i=0; i<sizeof(header.gamecode); i++) fprintf(fVHD, "%c", header.gamecode[i]); fprintf(fVHD, "\n"); - fprintf(fVHD, "-- ROM version: \t"); fprintf(fVHD, "%d\n", header.romversion); - fprintf(fVHD, "-- Game title: \t"); for (unsigned int i=0; i<sizeof(header.title); i++) if (header.title[i]) fprintf(fVHD, "%c", header.title[i]); - fprintf(fVHD, "\n\n"); - } - - pc_ram = new unsigned char[RAM_SIZE]; - - // load ARM7 binary - fseek(fNDS, header.arm7_rom_offset, SEEK_SET); - fread(pc_ram + header.arm7_ram_address - DS_RAM, 1, header.arm7_size, fNDS); - - // load ARM9 binary - fseek(fNDS, header.arm9_rom_offset, SEEK_SET); - fread(pc_ram + header.arm9_ram_address - DS_RAM, 1, header.arm9_size, fNDS); - - - header.arm7_entry_address = 0x55555555; - header.arm9_entry_address = 0x55555555; - - - unsigned char old_header[512]; - memcpy(old_header, &header, 512); - - bool bError = false; - - unsigned int begin9 = 0x02000000, end9 = 0x02280000; - //unsigned int begin9 = header.arm9_ram_address, end9 = header.arm9_ram_address + header.arm9_size; - if (!Find<unsigned long>(fVHD, "-- BX LR @ 0x%08X\n", begin9, end9, 0xE120001E, 0xFFF000FF, 0, 9)) // BX LR -// if (!Find<unsigned short>(fVHD, "-- BX LR @ 0x%08X\n", begin9, end9, 0x4770, 0xFFFF, 1, 9)) // BX LR - { printf("BX LR instruction not found!\n"); bError = true; } - - unsigned int begin7 = 0x02000000, end7 = 0x023FE000; - //unsigned int begin7 = header.arm7_ram_address, end7 = header.arm7_ram_address + header.arm7_size; -// if (!Find<unsigned long>(fVHD, "-- SWI 0xAF @ 0x%08X\n", begin7, end7, 0xEFAF0000, 0xFFFF0000, 0, 7)) // SWI -// if (!Find<unsigned long>(fVHD, "-- SWI 0xFF @ 0x%08X\n", begin7, end7, 0xEFFF0000, 0xFFFF0000, 0, 7)) // SWI -// if (!Find<unsigned long>(fVHD, "-- SWI 0xA4 @ 0x%08X\n", begin7, end7, 0xEFA40000, 0xFFFF0000, 0, 7)) // SWI -// if (!Find<unsigned long>(fVHD, "-- SWI 0xEA @ 0x%08X\n", begin7, end7, 0xEFEA0000, 0xFFFF0000, 0, 7)) // SWI - if (!Find<unsigned short>(fVHD, "-- SWI 0xAF @ 0x%08X\n", begin7, end7, 0xDFAF, 0xFFFF, 1, 7)) // SWI - if (!Find<unsigned short>(fVHD, "-- SWI 0xFF @ 0x%08X\n", begin7, end7, 0xDFFF, 0xFFFF, 1, 7)) // SWI - if (!Find<unsigned short>(fVHD, "-- SWI 0xA4 @ 0x%08X\n", begin7, end7, 0xDFA4, 0xFFFF, 1, 7)) // SWI - if (!Find<unsigned short>(fVHD, "-- SWI 0xEA @ 0x%08X\n", begin7, end7, 0xDFEA, 0xFFFF, 1, 7)) // SWI - { printf("SWI instruction not found!\n"); bError = true; } - - //Find<unsigned long>("%08X\n", 0x037F8000, 0x0380F000, 0xEFEA0000, 0xFFFF0000, 0); // SWI - //... - - //Find<unsigned short>("%08X\n", 0x037F8000, 0x0380F000, 0xDFA4, 0xFFFF, 1); // SWI - //... - - if (bError) - { - printf("Cannot patch.\n"); - return -1; - } - else - { - /* - * VHD - */ - - header.reserved2 |= 0x04; // set autostart bit - - bool forcepatch[512]; - memset(forcepatch, 0, sizeof(forcepatch)); - - // ldr pc, 0x027FFE24 - ((unsigned char *)&header)[0x4] = 0x18; - ((unsigned char *)&header)[0x5] = 0xF0; - ((unsigned char *)&header)[0x6] = 0x9F; - ((unsigned char *)&header)[0x7] = 0xE5; - - header.header_crc = CalcCrc16((unsigned char *)&header, 0x15E); - - if (fVHD) fputs( - #include "passme_vhd1.h" - , fVHD - ); - - for (int i=0; i<512; i++) - { - if (((unsigned char *)&header)[i] != old_header[i]) - { - printf("Patch:\t0x%03X\t0x%02X\n", i, ((unsigned char *)&header)[i]); - if (fVHD) fprintf(fVHD, "\t\t\twhen 16#%03X# => patched_data <= X\"%02X\";\n", i, ((unsigned char *)&header)[i]); - } - } - - if (fVHD) fputs( - #include "passme_vhd2.h" - , fVHD - ); - - if (fVHD) fclose(fVHD); - - /* - * SRAM - */ - - printf("ARM9 patched entry address: \t0x%08X\n", (unsigned int)header.arm9_entry_address); - - FILE *fSRAM = fopen(sramfilename, "wb"); - if (sramfilename && !fSRAM) { fprintf(stderr, "Cannot open file '%s'.\n", sramfilename); exit(1); } - if (fSRAM) - { - for (int i=0; i<passme_sram_size; i++) - { - unsigned char c = passme_sram[i]; - // patch with address of ARM9 loop so it can be redirected by the code in SRAM. - if ((i &~ 1) == 0x764) c = header.arm9_entry_address >> 0 & 0xFF; - if ((i &~ 1) == 0x796) c = header.arm9_entry_address >> 8 & 0xFF; - if ((i &~ 1) == 0x7C8) c = header.arm9_entry_address >> 16 & 0xFF; - if ((i &~ 1) == 0x7FA) c = header.arm9_entry_address >> 24 & 0xFF; - fputc(c, fSRAM); - } - fclose(fSRAM); - } - } - - fclose(fNDS); - - return 0; -} |