[proxmark3-svn] / bootrom / flash-reset.s

.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
Commit	Line	Data
15c4dc5a	1	.extern CopyBootToRAM
e30c654b	2
15c4dc5a	3	.section .startup,"ax"
	4	.code 32
	5	.align 0
	6
	7	.global flashstart
	8	flashstart:
	9	b Reset
	10	b UndefinedInstruction
	11	b SoftwareInterrupt
	12	b PrefetchAbort
	13	b DataAbort
	14	b Reserved
	15	b Irq
	16	b Fiq
	17
	18	Reset:
	19	ldr sp, .stack_end @ initialize stack pointer to top of RAM
	20	bl CopyBootToRAM @ copy bootloader to RAM (in case the
	21	@ user re-flashes the bootloader)
	22	ldr r3, .bootphase2_start @ start address of RAM bootloader
	23	bx r3 @ jump to it
	24
	25	.stack_end:
	26	.word _stack_end
	27	.bootphase2_start:
	28	.word __bootphase2_start__
	29
	30	Fiq:
	31	b Fiq
	32	UndefinedInstruction:
	33	b UndefinedInstruction
	34	SoftwareInterrupt:
	35	b SoftwareInterrupt
	36	PrefetchAbort:
	37	b PrefetchAbort
	38	DataAbort:
	39	b DataAbort
	40	Reserved:
	41	b Reserved
	42	Irq:
	43	b Irq