diff options
| author | Bin Meng <bmeng.cn@gmail.com> | 2020-03-06 00:44:16 -0800 |
|---|---|---|
| committer | Andes <uboot@andestech.com> | 2020-03-17 11:29:40 +0800 |
| commit | fe13692e23b3786d4de060a98c65c922385d6c70 (patch) | |
| tree | 88423e2a3e5cc48aedd8a023cda668ea43688980 /arch | |
| parent | a4df9d8ab848ea4ff10b247ae435b0a14bbbd066 (diff) | |
riscv: Fix sbi_remote_sfence_vma{,_asid}
Currently sbi_remote_sfence_vma{,_asid} does not pass their arguments
to SBI at all, which is semantically incorrect.
This keeps in sync with Linux kernel commit:
a21344dfc6ad: fix sbi_remote_sfence_vma{,_asid}
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Lukas Auer <lukas@auer.io>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/riscv/include/asm/sbi.h | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h index ced57defdd..d5081f90e6 100644 --- a/arch/riscv/include/asm/sbi.h +++ b/arch/riscv/include/asm/sbi.h @@ -20,22 +20,27 @@ #define SBI_REMOTE_SFENCE_VMA_ASID 7 #define SBI_SHUTDOWN 8 -#define SBI_CALL(which, arg0, arg1, arg2) ({ \ +#define SBI_CALL(which, arg0, arg1, arg2, arg3) ({ \ register uintptr_t a0 asm ("a0") = (uintptr_t)(arg0); \ register uintptr_t a1 asm ("a1") = (uintptr_t)(arg1); \ register uintptr_t a2 asm ("a2") = (uintptr_t)(arg2); \ + register uintptr_t a3 asm ("a3") = (uintptr_t)(arg3); \ register uintptr_t a7 asm ("a7") = (uintptr_t)(which); \ asm volatile ("ecall" \ : "+r" (a0) \ - : "r" (a1), "r" (a2), "r" (a7) \ + : "r" (a1), "r" (a2), "r" (a3), "r" (a7) \ : "memory"); \ a0; \ }) /* Lazy implementations until SBI is finalized */ -#define SBI_CALL_0(which) SBI_CALL(which, 0, 0, 0) -#define SBI_CALL_1(which, arg0) SBI_CALL(which, arg0, 0, 0) -#define SBI_CALL_2(which, arg0, arg1) SBI_CALL(which, arg0, arg1, 0) +#define SBI_CALL_0(which) SBI_CALL(which, 0, 0, 0, 0) +#define SBI_CALL_1(which, arg0) SBI_CALL(which, arg0, 0, 0, 0) +#define SBI_CALL_2(which, arg0, arg1) SBI_CALL(which, arg0, arg1, 0, 0) +#define SBI_CALL_3(which, arg0, arg1, arg2) \ + SBI_CALL(which, arg0, arg1, arg2, 0) +#define SBI_CALL_4(which, arg0, arg1, arg2, arg3) \ + SBI_CALL(which, arg0, arg1, arg2, arg3) static inline void sbi_console_putchar(int ch) { @@ -80,7 +85,7 @@ static inline void sbi_remote_sfence_vma(const unsigned long *hart_mask, unsigned long start, unsigned long size) { - SBI_CALL_1(SBI_REMOTE_SFENCE_VMA, hart_mask); + SBI_CALL_3(SBI_REMOTE_SFENCE_VMA, hart_mask, start, size); } static inline void sbi_remote_sfence_vma_asid(const unsigned long *hart_mask, @@ -88,7 +93,7 @@ static inline void sbi_remote_sfence_vma_asid(const unsigned long *hart_mask, unsigned long size, unsigned long asid) { - SBI_CALL_1(SBI_REMOTE_SFENCE_VMA_ASID, hart_mask); + SBI_CALL_4(SBI_REMOTE_SFENCE_VMA_ASID, hart_mask, start, size, asid); } #endif |