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パッチコード(カメラLED点灯プログラム)から処理が戻ってこないように修正。

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git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/TwlIPL/branches/20101202_Majikon_Patch@2982 b08762b0-b915-fc4b-9d8c-17b2551a87ff
This commit is contained in:
(no author) 2010-12-10 07:57:00 +00:00
parent 385e9105f5
commit b28cf8db86
1 changed files with 27 additions and 37 deletions
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64
build/libraries_sysmenu/boot/ARM7/src/bootAPI.c
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@ -214,33 +214,31 @@ void MYFUNC_MajikonPatche(void)
#define MAJIKON_APP_ARM7_STATIC_BUFFER 0x02380000
#define MAJIKON_APP_ARM7_STATIC_BUFFER_SIZE 0x40000
/*
static u32 test_Binary[] =
{
0x10000001, 0x20000002, 0x30000003, 0x40000004,
0x50000005, 0x60000006, 0x70000007, 0x80000008,
0x90000009, 0xa000000a, 0xb000000b, 0xc000000c,
0xd000000d, 0xe000000e, 0xf000000f, 0x10000010,
0x11000011, 0x12000012, 0x13000013, 0x14000014,
0x15000015, 0x16000016, 0x17000017, 0x18000018,
0x19000019, 0x1a00001a, 0x1b00001b, 0x1c00001c,
0x1d00001d, 0x1e00001e, 0x1f00001f, 0x20000020,
0x21000021, 0x22000022, 0x23000023, 0x24000024,
0x25000025, 0x26000026, 0x27000027, 0x28000028,
0x29000029, 0x2a00002a, 0x2b00002b, 0x2c00002c,
0x2d00002d, 0x2e00002e, 0x2f00002f
};
*/
static u32 target_code[] =
{
0xE3A0C301, 0xE58CC208, 0xE59F110C, 0xE59F210C,
/*
0xE92D4008, 0xEB000DF7, 0xEB00000B, 0xEBFFF9DD,
0xEBFFF89B, 0xEB000234, 0xEB00083D, 0xEB0002E5,
0xEB000371, 0xEBFFFC7F, 0xEB000634, 0xEB00069F,
0xEB002663, 0xE8BD4008, 0xE12FFF1E
*/
0xE3A0C301, 0xE58CC208, 0xEB000069, 0xE59F3144,
0xE2432040, 0xE59F1140, 0xE1520003, 0xB4910004,
0xB4820004, 0xBAFFFFFB, 0xE59F1130, 0xE59F2130,
0xE2823028, 0xE4910004, 0xE4820004, 0xE1520003,
0xBAFFFFFB, 0xE59F011C, 0xE59F111C, 0xE59F2110,
0xE1A0E00F, 0xE12FFF12, 0xE3A00013, 0xE121F000,
0xE59FD108, 0xE3A00012, 0xE121F000, 0xE59FD100,
0xE59F1100, 0xE04D1001, 0xE24DD004, 0xE3A0001F,
0xE12FF000, 0xE241D004, 0xE59F00EC, 0xE0411000,
0xE59F20DC, 0xE3A00000, 0xE1510002, 0xB4810004,
0xBAFFFFFC, 0xE59F00D4, 0xE5901000, 0xE3510000,
0x059F10CC, 0x05801000, 0xEB000075, 0xE3A01000,
0xE59F30C0, 0xE593000C, 0xE5932010, 0xE0522000,
0xCB0000A8, 0xEB000043, 0xE59F10AC, 0xE3A00000,
0xE3800C03, 0xE1C100B0, 0xE3A00000, 0xE3800C03,
0xE1C100B2, 0xE59F1094, 0xE59F0094, 0xE5810000,
0xE59F1090, 0xE24D2028, 0xE1A0300D, 0xE1520003,
0xB4910004, 0xB4820004, 0xBAFFFFFB, 0xE59F0078,
0xE3C00003, 0xE59F1074, 0xE0411000, 0xE2811003,
0xE3C11003, 0xE3C114FF, 0xE3A02004, 0xE1A02C02,
0xE1811002, 0xE59F2058, 0xE59F3058, 0xE59FE058,
0xE24DC028
};
static u32 SearchBinary_Majikon( void )
@ -275,7 +273,7 @@ static u32 SearchBinary_Majikon( void )
search_size -= sizeof(u32);
}
OS_TPrintf("target address : 0x%08x\n", code_end_address);
OS_TPrintf("\ntarget address : 0x%08x\n", code_end_address);
OS_TPrintf("=====================================\n");
return code_end_address;
@ -323,12 +321,14 @@ BOOL BOOT_WaitStart( void )
0xE3A010C5, 0xE5C21000, 0xE5D21000, 0xE3110080,
0x1AFFFFFC, 0xE5D21000, 0xE2011010, 0xE1B01241,
0x112FFF1E, 0xE2800001, 0xE3500008, 0xBAFFFFB1,
0xE12FFF1E, 0x04004501, 0x04004500,
0xEAFFFFFE, 0x04004501, 0x04004500,
};
// ↓ パッチコードにジャンプするコード。処理が戻ってこなくていいのでPCの退避は行わない
u32 patch_jump[] =
{
0xE1A0E00F, 0xE51FF004, 0x02FFF800
0xE51FF004, // ldr pc, [pc, #-4]
0x02FFF800 // dcd 0x02fff800;
};
// カメラLED光らせる処理埋め込み
@ -336,16 +336,6 @@ BOOL BOOT_WaitStart( void )
// カメラLED光らせる処理に飛ばす処理埋め込み
MI_CpuCopy8( patch_jump, (u32 *)target_address, sizeof(patch_jump));
// ためしに当てたパッチ処理にジャンプ
asm
{
mov lr, pc
ldr pc, [pc, #-4]
dcd 0x02fff800;
// ↑の機械コード
// 0xE1A0E00F, 0xE51FF004, 0x02FFF800
}
}
OS_Boot( OS_BOOT_ENTRY_FROM_ROMHEADER, mem_list, target );