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SHA-1の計算単位を調整

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git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/TwlIPL/trunk@64 b08762b0-b915-fc4b-9d8c-17b2551a87ff
This commit is contained in:
yutaka 2007-10-25 11:57:47 +00:00
parent 50a0ccdd8d
commit 19c9455f90
1 changed files with 17 additions and 11 deletions
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28
build/libraries/mi/ARM9/mi_loader.c
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@ -31,8 +31,10 @@
#endif
#ifdef PROFILE_ENABLE
#define PROFILE_PXI_SEND 1000000000
#define PROFILE_PXI_RECV 2000000000
#define PROFILE_PXI_SEND 0x10000000
#define PROFILE_PXI_RECV 0x20000000
#define PROFILE_SHA1 0xa0000000
#define PROFILE_RSA 0xb0000000
extern u32 profile[];
extern u32 pf_cnt;
#endif
@ -46,7 +48,7 @@ static ROM_Header* const rh = (ROM_Header*)HW_TWL_ROM_HEADER_BUF;
#define AUTH_SIZE 0xe00
#define RSA_BLOCK_SIZE 128
#define HASH_UNIT 0x800 // TODO: optimizing to maximize cache efficiency
#define HASH_UNIT 0x1000 // TODO: optimizing to maximize cache efficiency
static const u8 s_digestDefaultKey[ SVC_SHA1_BLOCK_SIZE ] = {
0x21, 0x06, 0xc0, 0xde,
@ -186,6 +188,10 @@ static BOOL MI_LoadBuffer(u8* dest, u32 size, SVCSHA1Context *ctx)
}
MI_CpuClearFast( src, unit );
DC_FlushRange( src, unit );
#ifdef PROFILE_ENABLE
// x2...: after copy & clear
profile[pf_cnt++] = (u32)OS_TicksToMicroSeconds(OS_GetTick());
#endif
MIi_SetWramBankMaster_B(count, MI_WRAM_ARM7);
count = (count + 1) % HW_FIRM_LOAD_BUFFER_UNIT_NUMS;
size -= unit;
@ -226,7 +232,7 @@ static /*inline*/ BOOL MI_LoadModule(void* dest, u32 size, const u8 digest[DIGES
SVC_HMACSHA1GetHash(&ctx, md);
#ifdef PROFILE_ENABLE
// xx: after SHA1
profile[pf_cnt++] = (u32)20202020; // checkpoint
profile[pf_cnt++] = PROFILE_SHA1; // checkpoint
profile[pf_cnt++] = (u32)OS_TicksToMicroSeconds(OS_GetTick());
#endif
for ( i = 0; i < DIGEST_SIZE_SHA1; i++ )
@ -269,7 +275,7 @@ BOOL MI_LoadHeader( SVCSignHeapContext* pool, const void* rsa_key )
SVC_SHA1Init(&ctx);
#ifdef PROFILE_ENABLE
pf_cnt = 10;
pf_cnt = 0x10;
#endif
// load header (hash target)
if ( PXI_RecvID() != FIRM_PXI_ID_LOAD_HEADER ||
@ -285,7 +291,7 @@ BOOL MI_LoadHeader( SVCSignHeapContext* pool, const void* rsa_key )
SVC_SHA1GetHash(&ctx, md);
#ifdef PROFILE_ENABLE
// 1x: after HMAC
profile[pf_cnt++] = (u32)2020202020; // checkpoint
profile[pf_cnt++] = PROFILE_SHA1; // checkpoint
profile[pf_cnt++] = (u32)OS_TicksToMicroSeconds(OS_GetTick());
#endif
// load header (remain)
@ -315,7 +321,7 @@ BOOL MI_LoadHeader( SVCSignHeapContext* pool, const void* rsa_key )
}
#ifdef PROFILE_ENABLE
// 1x: after RSA, before PXI
profile[pf_cnt++] = (u32)128128128; // checkpoint
profile[pf_cnt++] = PROFILE_RSA; // checkpoint
profile[pf_cnt++] = (u32)OS_TicksToMicroSeconds(OS_GetTick());
profile[pf_cnt++] = (u32)PROFILE_PXI_SEND | FIRM_PXI_ID_AUTH_HEADER; // checkpoint
#endif
@ -356,7 +362,7 @@ BOOL MI_LoadStatic( void )
{
#ifdef PROFILE_ENABLE
// 30: before PXI
pf_cnt = 30;
pf_cnt = 0x30;
profile[pf_cnt++] = (u32)OS_TicksToMicroSeconds(OS_GetTick());
#endif
if ( PXI_RecvID() != FIRM_PXI_ID_LOAD_ARM9_STATIC ||
@ -381,7 +387,7 @@ BOOL MI_LoadStatic( void )
{
#ifdef PROFILE_ENABLE
// 50: before PXI
pf_cnt = 50;
pf_cnt = 0x50;
profile[pf_cnt++] = (u32)OS_TicksToMicroSeconds(OS_GetTick());
#endif
if ( PXI_RecvID() != FIRM_PXI_ID_LOAD_ARM7_STATIC ||
@ -406,7 +412,7 @@ BOOL MI_LoadStatic( void )
{
#ifdef PROFILE_ENABLE
// 70: before PXI
pf_cnt = 70;
pf_cnt = 0x70;
profile[pf_cnt++] = (u32)OS_TicksToMicroSeconds(OS_GetTick());
#endif
if ( PXI_RecvID() != FIRM_PXI_ID_LOAD_ARM9_LTD_STATIC ||
@ -430,7 +436,7 @@ BOOL MI_LoadStatic( void )
{
#ifdef PROFILE_ENABLE
// 90: before PXI
pf_cnt = 90;
pf_cnt = 0x90;
profile[pf_cnt++] = (u32)OS_TicksToMicroSeconds(OS_GetTick());
#endif
if ( PXI_RecvID() != FIRM_PXI_ID_LOAD_ARM7_LTD_STATIC ||