From b830909504cb21e2239f6644bb4b631080ffc85f Mon Sep 17 00:00:00 2001 From: Aurora Date: Wed, 9 Nov 2016 17:01:56 +0100 Subject: [PATCH] Optimize function --- injector/source/patcher.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/injector/source/patcher.c b/injector/source/patcher.c index 20e2f8a..2b39701 100644 --- a/injector/source/patcher.c +++ b/injector/source/patcher.c @@ -319,17 +319,16 @@ static inline u32 patchCfgGetRegion(u8 *code, u32 size, u8 regionId, u32 CFGUHan u32 *cmp = (u32 *)cmdPos; - if((cmp[0] & 0xFFFF0FFF) == cfgSecureInfoGetRegionCmdPattern[0]) + if(*cmp == cfgSecureInfoGetRegionCmdPattern[1]) { for(u32 i = 1; i < 4; i++) - if(cmp[i] == cfgSecureInfoGetRegionCmdPattern[1] && *((u16 *)cmdPos + 5 + (2 * i)) == 0xE59F && - *(u32 *)(cmdPos + 16 + (4 * i) + *((u16 *)cmdPos + 4 + (2 * i))) == CFGUHandleOffset) + if((*(cmp - i) & 0xFFFF0FFF) == cfgSecureInfoGetRegionCmdPattern[0] && *((u16 *)cmdPos + 5) == 0xE59F && + *(u32 *)(cmdPos + 16 + *((u16 *)cmdPos + 4)) == CFGUHandleOffset) { - cmp += 3 + i; - cmp[0] = 0xE3A00000 | regionId; //mov r0, =regionId - cmp[1] = 0xE5C40008; //strb r0, [r4, 8] - cmp[2] = 0xE3B00000; //movs r0, 0 (result code) ('s' not needed but nvm) - cmp[3] = 0xE5840004; //str r0, [r4, 4] + cmp[3] = 0xE3A00000 | regionId; //mov r0, =regionId + cmp[4] = 0xE5C40008; //strb r0, [r4, 8] + cmp[5] = 0xE3B00000; //movs r0, 0 (result code) ('s' not needed but nvm) + cmp[6] = 0xE5840004; //str r0, [r4, 4] //The remaining, not patched, function code will do the rest for us return 0;