proxmark3/bootrom/flash-reset.s

44 lines
972 B
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.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