diff options
Diffstat (limited to 'usbloader/init.S')
-rw-r--r-- | usbloader/init.S | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/usbloader/init.S b/usbloader/init.S deleted file mode 100644 index 9d048ea..0000000 --- a/usbloader/init.S +++ /dev/null @@ -1,96 +0,0 @@ -/* - * Copyright (C) 2008 The Android Open Source Project - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT - * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -.global irq_glue -.global irq_vector_table - -#include <boot/arm.h> - -v_reset: - b start -v_undefined: - b . -v_swi: - b . -v_prefetch_abt: - b . -v_data_abt: - b . -v_reserved: - b . -v_irq: - b . -v_fiq: - b . - -start: - ldr r5, =0xfffff000 - ands r4, pc, r5 - beq already_at_zero - - /* we're not loaded at 0 -- relocate us back down to where we belong */ - mov r5, #0 - ldr r6, =BOOTLOADER_END -1: ldr r7, [r4], #4 - str r7, [r5], #4 - cmp r5, r6 - bne 1b - - mov pc, #0 - -already_at_zero: - /* save registers for main() */ - mov r7, r0 - mov r8, r1 - mov r9, r2 - mov r10, r3 - - /* init stack */ - ldr r0, =BOOTLOADER_STACK - msr cpsr_c, #(PSR_I | PSR_F | PSR_SVC) - mov sp, r0 - - /* zero the BSS */ - ldr r1, =BOOTLOADER_BSS - ldr r2, =BOOTLOADER_END - mov r0, #0 -1: str r0, [r1], #4 - cmp r1, r2 - ble 1b - - bl periph_2gb_open - - /* restore registers for main() */ - mov r0, r7 - mov r1, r8 - mov r2, r9 - mov r3, r10 - - ldr r4, =_main - blx r4 - b . |