40 lines
1.0 KiB
C
40 lines
1.0 KiB
C
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/*
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* emunand.c
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* by Reisyukaku
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*/
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#include "emunand.h"
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#include "fatfs/ff.h"
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#include "fatfs/sdmmc/sdmmc.h"
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typedef struct emunand {
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u32 offset;
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u32 header;
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const char* name;
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} emunand;
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emunand emunands[] = {
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{.offset = 1, .header = 1, .name = "redNAND"},
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{.offset = 0, .header = 0x1D7800, .name = "Toshiba GW/MT"},
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{.offset = 0, .header = 0x1DD000, .name = "Samsung GW/MT"},
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{.offset = 0, .header = 0x26C000, .name = "Samsung N3DS GW"},
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{.offset = 0, .header = 0x3B0000, .name = "Unknown N3DS GW"},
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{.offset = 0, .header = 0, .name = 0},
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};
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static u8 *temp = (u8 *)0x24300000;
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u8 getEmunand(u32 *off, u32 *head){
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u8 ret = 0;
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for(int i = 0; emunands[i].name; i++){
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if (sdmmc_sdcard_readsectors(emunands[i].header, 1, temp) == 0) {
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if (*(u32 *)(temp + 0x100) == NCSD_MAGIC) {
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*off = (u32)&emunands[i].offset;
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*head = (u32)&emunands[i].header;
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ret = 1;
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break;
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}
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}
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}
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return ret;
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}
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