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Fix all occurences of VCART_BUFFER

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This commit is contained in:
d0k3 2018-02-06 00:40:54 +01:00
parent b204921554
commit ae6c1c61c1
2 changed files with 8 additions and 5 deletions
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3
arm9/source/common/common.h
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@ -55,9 +55,6 @@
// buffer area defines (in use by vgame.c)
#define VGAME_BUFFER ((u8*)0x20400000)
#define VGAME_BUFFER_SIZE (0x200000) // 2MB, big RomFS
// buffer area defines (in use by vcart.c)
#define VCART_BUFFER ((u8*)0x20600000)
#define VCART_BUFFER_SIZE (0x20000) // 128kB, this is more than enough
// buffer area defines (in use by image.c, for RAMdrive)
#define RAMDRV_BUFFER ((u8*)0x22800000) // top of STACK

10
arm9/source/virtual/vcart.c
View File

@ -4,11 +4,16 @@
#define FAT_LIMIT 0x100000000
#define VFLAG_PRIV_HDR (1UL<<31)
static CartData* cdata = (CartData*) VCART_BUFFER; // 128kB reserved (~64kB required)
static CartData* cdata = NULL;
static bool cart_init = false;
u32 InitVCartDrive(void) {
cart_init = ((InitCardRead(cdata) == 0) && (cdata->cart_size <= FAT_LIMIT));
if (!cdata) cdata = (CartData*) malloc(sizeof(CartData));
cart_init = (cdata && (InitCardRead(cdata) == 0) && (cdata->cart_size <= FAT_LIMIT));
if (!cart_init && cdata) {
free(cdata);
cdata = NULL;
}
return cart_init ? cdata->cart_id : 0;
}
@ -56,6 +61,7 @@ bool ReadVCartDir(VirtualFile* vfile, VirtualDir* vdir) {
int ReadVCartFile(const VirtualFile* vfile, void* buffer, u64 offset, u64 count) {
u32 foffset = vfile->offset + offset;
if (!cdata) return -1;
if (vfile->flags & VFLAG_PRIV_HDR)
return ReadCartPrivateHeader(buffer, foffset, count, cdata);
else return ReadCartBytes(buffer, foffset, count, cdata);