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look for NAND nocash footer at the end of the file rather than using a hardcoded offset. check whether the footer is present.

This commit is contained in:
Arisotura 2019-10-20 18:52:33 +02:00
parent 1c72df43ab
commit f9ac26078b
1 changed files with 15 additions and 2 deletions
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17
src/DSi.cpp
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@ -361,12 +361,25 @@ bool LoadNAND()
#define printhex(str, size) { for (int z = 0; z < (size); z++) printf("%02X", (str)[z]); printf("\n"); } #define printhex(str, size) { for (int z = 0; z < (size); z++) printf("%02X", (str)[z]); printf("\n"); }
#define printhex_rev(str, size) { for (int z = (size)-1; z >= 0; z--) printf("%02X", (str)[z]); printf("\n"); } #define printhex_rev(str, size) { for (int z = (size)-1; z >= 0; z--) printf("%02X", (str)[z]); printf("\n"); }
fseek(f, 0xF000010, SEEK_SET); // read the nocash footer
fseek(f, -0x40, SEEK_END);
char nand_footer[16];
const char* nand_footer_ref = "DSi eMMC CID/CPU";
fread(nand_footer, 1, 16, f);
if (memcmp(nand_footer, nand_footer_ref, 16))
{
printf("ERROR: NAND missing nocash footer\n");
fclose(f);
return false;
}
fread(eMMC_CID, 1, 16, f); fread(eMMC_CID, 1, 16, f);
fread(&ConsoleID, 1, 8, f); fread(&ConsoleID, 1, 8, f);
printf("eMMC CID: "); printhex(eMMC_CID, 16); printf("eMMC CID: "); printhex(eMMC_CID, 16);
printf("Console ID: %llx\n", ConsoleID); printf("Console ID: %016llX\n", ConsoleID);
fclose(f); fclose(f);
} }