projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blame
| Commit | Line | Data |
|---|---|---|
| 5f97f7f9 HS |
1 | /* |
| 2 | * Non-board-specific low-level startup code | |
| 3 | * | |
| 4 | * Copyright (C) 2004-2006 Atmel Corporation | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or modify | |
| 7 | * it under the terms of the GNU General Public License version 2 as | |
| 8 | * published by the Free Software Foundation. | |
| 9 | */ | |
| 10 | #include <linux/linkage.h> | |
| 11 | ||
| 12 | #include <asm/page.h> | |
| 13 | #include <asm/thread_info.h> | |
| 14 | #include <asm/sysreg.h> | |
| 15 | ||
| 16 | .section .init.text,"ax" | |
| 17 | .global kernel_entry | |
| 18 | kernel_entry: | |
| 19 | /* Initialize status register */ | |
| 20 | lddpc r0, init_sr | |
| 21 | mtsr SYSREG_SR, r0 | |
| 22 | ||
| 23 | /* Set initial stack pointer */ | |
| 24 | lddpc sp, stack_addr | |
| 25 | sub sp, -THREAD_SIZE | |
| 26 | ||
| 27 | #ifdef CONFIG_FRAME_POINTER | |
| 28 | /* Mark last stack frame */ | |
| 29 | mov lr, 0 | |
| 30 | mov r7, 0 | |
| 31 | #endif | |
| 32 | ||
| 5f97f7f9 HS |
33 | /* Start the show */ |
| 34 | lddpc pc, kernel_start_addr | |
| 35 | ||
| 36 | .align 2 | |
| 37 | init_sr: | |
| 38 | .long 0x007f0000 /* Supervisor mode, everything masked */ | |
| 39 | stack_addr: | |
| 40 | .long init_thread_union | |
| 41 | kernel_start_addr: | |
| 42 | .long start_kernel |