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arch/arm64 Fix the SP unalignment issues

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zynq-mpsoc and zcu111 borad was broken by #15437, because #15437 changes
ARM64_CONTEXT_REGS from 36 to 37, resulting in the stack no longer being
16-byte aligned which appears to violate the ARMv8-A architecture's
requirement for 16-byte stack alignment. this commit changes ARM64_CONTEXT_REGS
to 38 to fix this issues.
This commit is contained in:
zouboan 2025-02-03 18:50:04 +08:00 • committed by archer
parent 4f6940c533
commit 586b9c54ac
1 changed files with 2 additions and 1 deletions
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3
arch/arm64/include/irq.h
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@ -154,10 +154,11 @@
#define REG_SP_EL0 (34)
#define REG_EXE_DEPTH (35)
#define REG_SCTLR_EL1 (36)
#define REG_RESERVED (37)
/* In Armv8-A Architecture, the stack must align with 16 byte */
#define ARM64_CONTEXT_REGS (37)
#define ARM64_CONTEXT_REGS (38)
#define ARM64_CONTEXT_SIZE (8 * ARM64_CONTEXT_REGS)
#ifdef CONFIG_ARCH_FPU