提交 5873d0fb 编写于 作者: T Tom Rini

Merge branch 'master' of git://git.denx.de/u-boot-arm

......@@ -130,11 +130,15 @@ IRQ_STACK_START_IN:
reset:
bl save_boot_params
/*
* set the cpu to SVC32 mode
* disable interrupts (FIQ and IRQ), also set the cpu to SVC32 mode,
* except if in HYP mode already
*/
mrs r0, cpsr
bic r0, r0, #0x1f
orr r0, r0, #0xd3
and r1, r0, #0x1f @ mask mode bits
teq r1, #0x1a @ test for HYP mode
bicne r0, r0, #0x1f @ clear all mode bits
orrne r0, r0, #0x13 @ set SVC mode
orr r0, r0, #0xc0 @ disable FIQ and IRQ
msr cpsr,r0
/*
......
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