proxmark3/bootrom/flash-reset.s
marcansoft bd20f8f478 Add license headers to armsrc/bootrom/common stuff
I have kept whatever copyright notices exist. Please add your own
copyright notice if you have made any nontrivial changes or additions to
the code. There are several files without any attribution, currently.
2010-02-21 00:12:52 +00:00

51 lines
1.3 KiB
ArmAsm

@-----------------------------------------------------------------------------
@ This code is licensed to you under the terms of the GNU GPL, version 2 or,
@ at your option, any later version. See the LICENSE.txt file for the text of
@ the license.
@-----------------------------------------------------------------------------
@ Reset vector for running from FLASH
@-----------------------------------------------------------------------------
.extern CopyBootToRAM
.section .startup,"ax"
.code 32
.align 0
.global flashstart
flashstart:
b Reset
b UndefinedInstruction
b SoftwareInterrupt
b PrefetchAbort
b DataAbort
b Reserved
b Irq
b Fiq
Reset:
ldr sp, .stack_end @ initialize stack pointer to top of RAM
bl CopyBootToRAM @ copy bootloader to RAM (in case the
@ user re-flashes the bootloader)
ldr r3, .bootphase2_start @ start address of RAM bootloader
bx r3 @ jump to it
.stack_end:
.word _stack_end
.bootphase2_start:
.word __bootphase2_start__
Fiq:
b Fiq
UndefinedInstruction:
b UndefinedInstruction
SoftwareInterrupt:
b SoftwareInterrupt
PrefetchAbort:
b PrefetchAbort
DataAbort:
b DataAbort
Reserved:
b Reserved
Irq:
b Irq