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*Added the FatFS link map feature which should greatly decrease load times

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git-svn-id: svn://localhost/Users/andi/Downloads/code/DML@41 be6c1b03-d731-4111-a574-e37d80d43941
This commit is contained in:
crediar@rypp.net 2014-07-02 08:34:53 +00:00
parent 14f9f79cdf
commit 6daa97aaaf
2 changed files with 27 additions and 10 deletions
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35
DVD.c
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@ -8,15 +8,28 @@ extern FIL GameFile;
extern u32 FSTMode; extern u32 FSTMode;
static u8 *FSTable ALIGNED(32); static u8 *FSTable ALIGNED(32);
u32 ApploaderSize=0;
u32 dolOffset=0;
u32 FSTableSize=0;
u32 FSTableOffset=0;
u32 FCEntry=0; u32 ApploaderSize = 0;
u32 dolOffset = 0;
u32 FSTableSize = 0;
u32 FSTableOffset = 0;
u32 FCEntry=0;
FileCache FC[FILECACHE_MAX]; FileCache FC[FILECACHE_MAX];
u32 FCState[FILECACHE_MAX]; u32 FCState[FILECACHE_MAX];
DWORD LTable[1024];
static void DVDCreateLinkMap( FIL *File )
{
GameFile.cltbl = LTable;
GameFile.cltbl[0] = sizeof(LTable);
s32 fres = f_lseek( &GameFile, CREATE_LINKMAP );
if( fres == FR_NOT_ENOUGH_CORE )
{
GameFile.cltbl = NULL;
}
}
s32 DVDSelectGame( void ) s32 DVDSelectGame( void )
{ {
char *str = (char*)malloca( 256, 32 ); char *str = (char*)malloca( 256, 32 );
@ -74,6 +87,8 @@ s32 DVDSelectGame( void )
return -3; return -3;
} }
DVDCreateLinkMap(&GameFile);
f_lseek( &GameFile, 0 ); f_lseek( &GameFile, 0 );
f_read( &GameFile, (void*)0, 0x20, &read ); f_read( &GameFile, (void*)0, 0x20, &read );
@ -115,7 +130,7 @@ u32 FSTInit( void )
f_lseek( &fd, 0x0420 ); f_lseek( &fd, 0x0420 );
f_read( &fd, rbuf, 0x20, &read ); f_read( &fd, rbuf, 0x20, &read );
dolOffset = *(u32*)(rbuf); dolOffset = *(u32*)(rbuf);
FSTableOffset = *(u32*)(rbuf+4); FSTableOffset = *(u32*)(rbuf+4);
FSTableSize = *(u32*)(rbuf+8); FSTableSize = *(u32*)(rbuf+8);
@ -250,9 +265,11 @@ void FSTRead( char *Buffer, u32 Length, u32 Offset )
f_open( &(FC[FCEntry].File), Path, FA_READ ); f_open( &(FC[FCEntry].File), Path, FA_READ );
FC[FCEntry].Size = fe[i].FileLength; FC[FCEntry].Size = fe[i].FileLength;
FC[FCEntry].Offset = fe[i].FileOffset; FC[FCEntry].Offset = fe[i].FileOffset;
FCState[FCEntry] = 0x23; FCState[FCEntry] = 0x23;
DVDCreateLinkMap(&(FC[FCEntry].File));
f_lseek( &(FC[FCEntry].File), nOffset ); f_lseek( &(FC[FCEntry].File), nOffset );
f_read( &(FC[FCEntry].File), Buffer, Length, &read ); f_read( &(FC[FCEntry].File), Buffer, Length, &read );

2
global.h
View File

@ -15,7 +15,7 @@
#define PADHOOK 1 #define PADHOOK 1
#define CONFIG_VERSION 0x00000002 #define CONFIG_VERSION 0x00000002
#define DML_VERSION 0x0002000a #define DML_VERSION 0x0002000B
#define DI_SUCCESS 1 #define DI_SUCCESS 1
#define DI_ERROR 2 #define DI_ERROR 2