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RISC-V: Enhancement for stack size to 16-bytes aligned at least

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If enable CONFIG_PMP_STACK_GUARD, the stack size may not 16-bytes
aligned. Enhance this issue.

Signed-off-by: Shih-Wei Teng <swteng@andestech.com>
This commit is contained in:
Shih-Wei Teng 2021-01-06 17:55:25 +08:00 • committed by Anas Nashif
commit a418b2535b
1 changed files with 2 additions and 1 deletions
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3
include/arch/riscv/arch.h
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@ -54,7 +54,8 @@
*/
#ifdef CONFIG_PMP_STACK_GUARD
#define ARCH_KERNEL_STACK_RESERVED Z_RISCV_STACK_GUARD_SIZE
#define ARCH_KERNEL_STACK_OBJ_ALIGN Z_RISCV_PMP_ALIGN
#define ARCH_KERNEL_STACK_OBJ_ALIGN \
MAX(Z_RISCV_PMP_ALIGN, ARCH_STACK_PTR_ALIGN)
#endif
#ifdef CONFIG_USERSPACE