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arch/armv6-m: Remove cpsid and cpsie from exception_common

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since the hardware do the action automatically

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
This commit is contained in:
Xiang Xiao 2021-04-03 20:46:35 +08:00 committed by Brennan Ashton
parent 3cf070e173
commit b7ad0b3d0d
1 changed files with 0 additions and 7 deletions
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7
arch/arm/src/armv6-m/arm_exception.S
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@ -138,12 +138,6 @@ exception_common:
mrs r0, ipsr /* R0=exception number */ mrs r0, ipsr /* R0=exception number */
/* Disable interrupts, select the stack to use for interrupt handling
* and call arm_doirq to handle the interrupt
*/
cpsid i /* Disable further interrupts */
/* If CONFIG_ARCH_INTERRUPTSTACK is defined, we will use a special interrupt /* If CONFIG_ARCH_INTERRUPTSTACK is defined, we will use a special interrupt
* stack pointer. The way that this is done here prohibits nested interrupts! * stack pointer. The way that this is done here prohibits nested interrupts!
* Otherwise, we will use the stack that was current when the interrupt was taken. * Otherwise, we will use the stack that was current when the interrupt was taken.
@ -246,7 +240,6 @@ exception_common:
/* Restore the interrupt state */ /* Restore the interrupt state */
msr primask, r3 /* Restore interrupts priority masking*/ msr primask, r3 /* Restore interrupts priority masking*/
cpsie i /* Re-enable interrupts */
/* Always return with R14 containing the special value that will: (1) /* Always return with R14 containing the special value that will: (1)
* return to thread mode, and (2) select the correct stack. * return to thread mode, and (2) select the correct stack.