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Commit be6f9f00 authored by Uwe Kleine-König's avatar Uwe Kleine-König
Browse files

ARM: zImage: annotate debug functions about corrupted registers 



Signed-off-by: default avatarUwe Kleine-König <u.kleine-koenig@pengutronix.de>
parent 21b2841d

arch/arm/boot/compressed/head.S

+4 −0
Original line number Diff line number Diff line
@@ -1008,6 +1008,7 @@ __armv3_mpu_cache_flush: 
phexbuf:	.space	12

		.size	phexbuf, . - phexbuf



@ phex corrupts {r0, r1, r2, r3}

phex:		adr	r3, phexbuf

		mov	r2, #0

		strb	r2, [r3, r1]
@@ -1022,6 +1023,7 @@ phex: adr r3, phexbuf 
		strb	r2, [r3, r1]

		b	1b



@ puts corrupts {r0, r1, r2, r3}

puts:		loadsp	r3, r1

1:		ldrb	r2, [r0], #1

		teq	r2, #0
@@ -1036,12 +1038,14 @@ puts: loadsp r3, r1 
		teq	r0, #0

		bne	1b

		mov	pc, lr

@ putc corrupts {r0, r1, r2, r3}

putc:

		mov	r2, r0

		mov	r0, #0

		loadsp	r3, r1

		b	2b



@ memdump corrupts {r0, r1, r2, r3, r10, r11, r12, lr}

memdump:	mov	r12, r0

		mov	r10, lr

		mov	r11, #0