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gamecart: Replaced ID file with info file

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This commit is contained in:
d0k3 2020-12-23 16:20:10 +01:00
parent 25a22d30d0
commit 647d5722aa
3 changed files with 50 additions and 20 deletions
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50
arm9/source/gamecart/gamecart.c
View File

@ -6,6 +6,7 @@
#include "nds.h"
#include "ncch.h"
#include "ncsd.h"
#include "rtc.h"
#define CART_INSERTED (!(REG_CARDSTATUS & 0x1))
@ -44,6 +45,8 @@ typedef struct {
u32 arm9i_rom_offset;
} PACKED_ALIGN(16) CartDataNtrTwl;
DsTime init_time;
u32 GetCartName(char* name, CartData* cdata) {
if (cdata->cart_type & CART_CTR) {
CartDataCtr* cdata_i = (CartDataCtr*)cdata;
@ -59,7 +62,32 @@ u32 GetCartName(char* name, CartData* cdata) {
return 0;
}
u32 GetCartInfoString(char* info, CartData* cdata) {
if (cdata->cart_type & CART_CTR) {
CartDataCtr* cdata_i = (CartDataCtr*)cdata;
NcsdHeader* ncsd = &(cdata_i->ncsd);
NcchHeader* ncch = &(cdata_i->ncch);
snprintf(info, 256, "Title ID : %016llX\nProduct Code : %.10s\nRevision : %lu\nCart ID : %08lX\nPlatform : %s\nTimestamp : 20%02X-%02X-%02X %02X:%02X:%02X\nGM9 Version : %s\n",
ncsd->mediaId, ncch->productcode, cdata_i->rom_version, cdata_i->cart_id,
(ncch->flags[4] == 0x2) ? "N3DS" : "O3DS",
init_time.bcd_Y, init_time.bcd_M, init_time.bcd_D,
init_time.bcd_h, init_time.bcd_m, init_time.bcd_s,
VERSION);
} else if (cdata->cart_type & CART_NTR) {
CartDataNtrTwl* cdata_i = (CartDataNtrTwl*)cdata;
TwlHeader* nds = &(cdata_i->ntr_header);
snprintf(info, 256, "Title String : %.12s\nProduct Code : %.6s\nRevision : %u\nCart ID : %08lX\nPlatform : %s\nTimestamp : 20%02X-%02X-%02X %02X:%02X:%02X\nGM9 Version : %s\n",
nds->game_title, nds->game_code, nds->rom_version, cdata_i->cart_id,
(nds->unit_code == 0x2) ? "DSi Enhanced" : (nds->unit_code == 0x3) ? "DSi Exclusive" : "DS",
init_time.bcd_Y, init_time.bcd_M, init_time.bcd_D,
init_time.bcd_h, init_time.bcd_m, init_time.bcd_s,
VERSION);
} else return 1;
return 0;
}
u32 InitCartRead(CartData* cdata) {
get_dstime(&init_time);
memset(cdata, 0x00, sizeof(CartData));
cdata->cart_type = CART_NONE;
if (!CART_INSERTED) return 1;
@ -264,17 +292,17 @@ u32 ReadCartPrivateHeader(void* buffer, u64 offset, u64 count, CartData* cdata)
return 0;
}
u32 ReadCartId(u8* buffer, u64 offset, u64 count, CartData* cdata) {
u8 ownBuf[GAMECART_ID_SIZE] = { 0 };
u32 id;
u8 sReg;
if (offset >= GAMECART_ID_SIZE) return 1;
if (offset + count > GAMECART_ID_SIZE) count = GAMECART_ID_SIZE - offset;
ownBuf[0] = (cdata->cart_id >> 24) & 0xff;
ownBuf[1] = (cdata->cart_id >> 16) & 0xff;
ownBuf[2] = (cdata->cart_id >> 8) & 0xff;
ownBuf[3] = cdata->cart_id & 0xff;
memcpy(buffer, ownBuf + offset, count);
u32 ReadCartInfo(u8* buffer, u64 offset, u64 count, CartData* cdata) {
char info[256];
u32 len;
GetCartInfoString(info, cdata);
len = strnlen(info, 255);
if (offset >= len) return 0;
if (offset + count > len) count = len - offset;
memcpy(buffer, info + offset, count);
return 0;
}

4
arm9/source/gamecart/gamecart.h
View File

@ -11,7 +11,6 @@
#define MODC_AREA_SIZE 0x4000
#define PRIV_HDR_SIZE 0x50
#define JEDECID_AND_SREG_SIZE 0x4
#define GAMECART_ID_SIZE 0x4
typedef struct {
u8 header[0x8000]; // NTR header + secure area / CTR header + private header
@ -26,11 +25,12 @@ typedef struct {
} PACKED_ALIGN(16) CartData;
u32 GetCartName(char* name, CartData* cdata);
u32 GetCartInfoString(char* info, CartData* cdata);
u32 InitCartRead(CartData* cdata);
u32 ReadCartSectors(void* buffer, u32 sector, u32 count, CartData* cdata);
u32 ReadCartBytes(void* buffer, u64 offset, u64 count, CartData* cdata);
u32 ReadCartPrivateHeader(void* buffer, u64 offset, u64 count, CartData* cdata);
u32 ReadCartId(u8* buffer, u64 offset, u64 count, CartData* cdata);
u32 ReadCartInfo(u8* buffer, u64 offset, u64 count, CartData* cdata);
u32 ReadCartSave(u8* buffer, u64 offset, u64 count, CartData* cdata);
u32 WriteCartSave(const u8* buffer, u64 offset, u64 count, CartData* cdata);
u32 ReadCartSaveJedecId(u8* buffer, u64 offset, u64 count, CartData* cdata);

16
arm9/source/virtual/vcart.c
View File

@ -2,7 +2,7 @@
#include "gamecart.h"
#define FAT_LIMIT 0x100000000
#define VFLAG_GAMECART_ID (1UL<<28)
#define VFLAG_GAMECART_NFO (1UL<<28)
#define VFLAG_JEDECID_AND_SRFG (1UL<<29)
#define VFLAG_SAVEGAME (1UL<<30)
#define VFLAG_PRIV_HDR (1UL<<31)
@ -63,10 +63,12 @@ bool ReadVCartDir(VirtualFile* vfile, VirtualDir* vdir) {
vfile->size = cdata->save_size;
vfile->flags = VFLAG_SAVEGAME;
return true;
} else if (vdir->index == 7) { // gamecart ID
strcpy(vfile->name, "gamecart_id.bin");
vfile->size = GAMECART_ID_SIZE;
vfile->flags |= VFLAG_GAMECART_ID;
} else if (vdir->index == 7) { // gamecart info
char info[256];
GetCartInfoString(info, cdata);
snprintf(vfile->name, 32, "%s.txt", name);
vfile->size = strnlen(info, 255);
vfile->flags |= VFLAG_GAMECART_NFO;
return true;
} else if ((vdir->index == 8) && cdata->save_type.chip) { // JEDEC id and status register
strcpy(vfile->name, "jedecid_and_sreg.bin");
@ -86,8 +88,8 @@ int ReadVCartFile(const VirtualFile* vfile, void* buffer, u64 offset, u64 count)
return ReadCartPrivateHeader(buffer, foffset, count, cdata);
else if (vfile->flags & VFLAG_SAVEGAME)
return ReadCartSave(buffer, foffset, count, cdata);
else if (vfile->flags & VFLAG_GAMECART_ID)
return ReadCartId(buffer, foffset, count, cdata);
else if (vfile->flags & VFLAG_GAMECART_NFO)
return ReadCartInfo(buffer, foffset, count, cdata);
else if (vfile->flags & VFLAG_JEDECID_AND_SRFG)
return ReadCartSaveJedecId(buffer, foffset, count, cdata);
else return ReadCartBytes(buffer, foffset, count, cdata);