arm: fix enable interrupt too earlier caused system crash #4013
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reason:
msr cpsr, r2 /* Set the CPSR */
// interrupt hanppend, context switch
pop {r0-r2, pc}
resolve:
use SPSR instead, and recover with ldmia ^
Change-Id: Id7cee6452997ec19919eeecf6e7616164b3a0ab3
Signed-off-by: ligd <liguiding1@xiaomi.com>
(cherry picked from commit 6fa6c1676932d7babb7ff22ef556a17bb18f1c0d)
Signed-off-by: ligd <liguiding1@xiaomi.com>
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Summary
arm: fix enable interrupt too earlier caused system crash
reason:
msr cpsr, r2 /* Set the CPSR */
resolve:
use SPSR instead, and recover with ldmia ^
Impact
Testing