freemyipod r312 - Code Review

Repository:	freemyipod
Revision:	< r311‎ \| r312 \| r313 >
Date:	23:35, 2 December 2010
Author:	theseven
Status:	new
Tags:
Comment:	emBIOS: Disable instruction cache before running other firmwares, workaround for an RTXC init bug
Modified paths:	/embios/trunk/arm/contextswitch.S (modified) (history) /embios/trunk/target/ipodclassic/crt0.S (modified) (history) /embios/trunk/target/ipodnano2g/crt0.S (modified) (history) /embios/trunk/target/ipodnano3g/crt0.S (modified) (history)

Diff [purge]

Index: embios/trunk/target/ipodnano2g/crt0.S
—	—	@@ -42,7 +42,7 @@
43	43	.global _start
44	44	_start:
45	45	mrc p15, 0, r0,c1,c0
46		~~- orr r0, r0, #1~~
	46	+ orr r0, r0, #5
47	47	mcr p15, 0, r0,c1,c0
48	48	ldr r0, =_sramsource
49	49	ldr r1, =_sramstart
Index: embios/trunk/target/ipodnano3g/crt0.S
—	—	@@ -42,7 +42,7 @@
43	43	.global _start
44	44	_start:
45	45	mrc p15, 0, r0,c1,c0
46		~~- orr r0, r0, #1~~
	46	+ orr r0, r0, #5
47	47	mcr p15, 0, r0,c1,c0
48	48	ldr r0, =_sramsource
49	49	ldr r1, =_sramstart
Index: embios/trunk/target/ipodclassic/crt0.S
—	—	@@ -42,7 +42,7 @@
43	43	.global _start
44	44	_start:
45	45	mrc p15, 0, r0,c1,c0
46		~~- orr r0, r0, #1~~
	46	+ orr r0, r0, #5
47	47	mcr p15, 0, r0,c1,c0
48	48	ldr r0, =_sramsource
49	49	ldr r1, =_sramstart
Index: embios/trunk/arm/contextswitch.S
—	—	@@ -154,8 +154,9 @@
155	155	ldr r1, [sp], #4
156	156	msr cpsr_c, #0xd3
157	157	mrc p15, 0, r0,c1,c0
158		~~- bic r0, r0, #1~~
	158	+ bic r0, r0, #5
159	159	mcr p15, 0, r0,c1,c0
	160	+ mov r0, #0
160	161	mcr p15, 0, r0,c7,c5
161	162	bx r1
162	163	.size execfirmware, .-execfirmware