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aesBufferの削除

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git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/TwlIPL/trunk@1051 b08762b0-b915-fc4b-9d8c-17b2551a87ff
This commit is contained in:
yutaka 2008-04-03 07:08:42 +00:00
parent b62cd8406a
commit d397f0f91e
1 changed files with 5 additions and 7 deletions
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12
build/libraries/fs/ARM7/src/fs_loader.c
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@ -31,11 +31,10 @@ static ROM_Header* const rh= (ROM_Header*)HW_TWL_ROM_HEADER_BUF;
static BOOL aesFlag;
static AESCounter aesCounter;
static u8 aesBuffer[HW_FIRM_LOAD_BUFFER_UNIT_SIZE] ATTRIBUTE_ALIGN(32);
#define DMA_SEND 2
#define DMA_RECV 3
static void CopyWithAes( const void* src, void* dest, u32 size )
static void ReplaceWithAes( void* ptr, u32 size )
{
AES_Lock();
AES_Reset();
@ -43,8 +42,8 @@ static void CopyWithAes( const void* src, void* dest, u32 size )
AES_WaitKey();
AES_LoadKey( AES_KEY_SLOT_A );
AES_WaitKey();
AES_DmaSend( DMA_SEND, src, size, NULL, NULL );
AES_DmaRecv( DMA_RECV, dest, size, NULL, NULL );
AES_DmaSend( DMA_SEND, ptr, size, NULL, NULL );
AES_DmaRecv( DMA_RECV, ptr, size, NULL, NULL );
AES_SetCounter( &aesCounter );
AES_Run( AES_MODE_CTR, 0, size / AES_BLOCK_SIZE, NULL, NULL );
AES_AddToCounter( &aesCounter, size / AES_BLOCK_SIZE );
@ -138,8 +137,7 @@ BOOL FS_LoadBuffer( int fd, u32 offset, u32 size )
}
while ( size > 0 )
{
u8* dest = aesFlag ? aesBuffer :
(u8*)HW_FIRM_LOAD_BUFFER_BASE + count * HW_FIRM_LOAD_BUFFER_UNIT_SIZE;
u8* dest = (u8*)HW_FIRM_LOAD_BUFFER_BASE + count * HW_FIRM_LOAD_BUFFER_UNIT_SIZE;
u32 unit = size < HW_FIRM_LOAD_BUFFER_UNIT_SIZE ? size : HW_FIRM_LOAD_BUFFER_UNIT_SIZE;
PXI_AcquireLoadBufferSemaphore(); // wait to be ready
if ( MI_GetWramBankMaster_B( count ) != MI_WRAM_ARM7 )
@ -169,7 +167,7 @@ BOOL FS_LoadBuffer( int fd, u32 offset, u32 size )
#endif
if ( aesFlag )
{
CopyWithAes( dest, (u8*)HW_FIRM_LOAD_BUFFER_BASE + count * HW_FIRM_LOAD_BUFFER_UNIT_SIZE, unit );
ReplaceWithAes( dest, unit );
}
PXI_ReleaseLoadBufferSemaphore();
count = ( count + 1 ) % HW_FIRM_LOAD_BUFFER_UNIT_NUMS;