sergiotarxz/nuttx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

arch/arm/src/armv7-a/arm_vectors.S: Fix clobbered register in SMP mode.

Browse Source
This commit is contained in:
Gregory Nutt 2020-02-12 08:51:34 -06:00 committed by Abdelatif Guettouche
parent 5f306b0461
commit cfb7561e77
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/src/armv7-a/arm_vectors.S
View File

@ -260,7 +260,7 @@ arm_vectorirq:
/* Call arm_decodeirq() on the interrupt stack */
setirqstack r1, r5 /* SP = IRQ stack top */
setirqstack r1, r3 /* SP = IRQ stack top */
str r0, [sp] /* Save the user stack pointer */
mov r4, sp /* Save the SP in a preserved register */
bic sp, sp, #7 /* Force 8-byte alignment */