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| author | Zong Li <zong@andestech.com> | 2018-08-02 23:21:56 +0800 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@sifive.com> | 2018-08-13 08:31:31 -0700 |
| commit | 94f592f0e5b9c17a7505119a2d6c0f1f529ae93d (patch) | |
| tree | 1756b57cd7fd41d14e9902eba01283caee7d747b /arch | |
| parent | 62b0194368147def8c5a77ce604a125d620fc582 (diff) | |
RISC-V: Add the directive for alignment of stvec's value
The stvec's value must be 4 byte alignment by specification definition.
These directives avoid to stvec be set the non-alignment value.
Signed-off-by: Zong Li <zong@andestech.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/riscv/kernel/head.S | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/riscv/kernel/head.S b/arch/riscv/kernel/head.S index 6e07ed37bbff..c4d2c63f9a29 100644 --- a/arch/riscv/kernel/head.S +++ b/arch/riscv/kernel/head.S @@ -94,6 +94,7 @@ relocate: or a0, a0, a1 sfence.vma csrw sptbr, a0 +.align 2 1: /* Set trap vector to spin forever to help debug */ la a0, .Lsecondary_park @@ -143,6 +144,7 @@ relocate: tail smp_callin #endif +.align 2 .Lsecondary_park: /* We lack SMP support or have too many harts, so park this hart */ wfi |