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[libcpu/arm] remove useless cpsr updating in rt_hw_context_switch_to

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This piece of code will enable the interrupt early before switching to
the first thread. Although it is harmless, but not prefect.
This commit is contained in:
Grissiom 2014-04-08 11:24:04 +08:00
parent dfad3466a0
commit c0f0c2322f
1 changed files with 0 additions and 3 deletions
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3
libcpu/arm/realview-a8-vmm/context_gcc.S
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@ -57,9 +57,6 @@ rt_hw_context_switch_to:
ldmfd sp!, {r4} @ pop new task spsr
msr spsr_cxsf, r4
bic r4, r4, #0x20 @ must be ARM mode
msr cpsr_cxsf, r4
ldmfd sp!, {r0-r12, lr, pc}^ @ pop new task r0-r12, lr & pc
.section .bss.share.isr