diff options
| author | Grissiom <[email protected]> | 2014-04-08 11:24:04 +0800 |
|---|---|---|
| committer | Grissiom <[email protected]> | 2014-04-08 11:24:04 +0800 |
| commit | c0f0c2322f9439fda4fc98f5b13e6cbb98cf92a5 (patch) | |
| tree | b14fbd9f02bd8bd04acdbbbe9483d6f10afbbac6 /libcpu | |
| parent | dfad3466a0b566a3b4402af3e99e89955e15387e (diff) | |
[libcpu/arm] remove useless cpsr updating in rt_hw_context_switch_to
This piece of code will enable the interrupt early before switching to
the first thread. Although it is harmless, but not prefect.
Diffstat (limited to 'libcpu')
| -rw-r--r-- | libcpu/arm/realview-a8-vmm/context_gcc.S | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/libcpu/arm/realview-a8-vmm/context_gcc.S b/libcpu/arm/realview-a8-vmm/context_gcc.S index 9bb31e3f10..dba0095632 100644 --- a/libcpu/arm/realview-a8-vmm/context_gcc.S +++ b/libcpu/arm/realview-a8-vmm/context_gcc.S @@ -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 |