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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>
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a4df9d8ab8
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1 changed files with 12 additions and 7 deletions
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@ -20,22 +20,27 @@
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#define SBI_REMOTE_SFENCE_VMA_ASID 7
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#define SBI_SHUTDOWN 8
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#define SBI_CALL(which, arg0, arg1, arg2) ({ \
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#define SBI_CALL(which, arg0, arg1, arg2, arg3) ({ \
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register uintptr_t a0 asm ("a0") = (uintptr_t)(arg0); \
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register uintptr_t a1 asm ("a1") = (uintptr_t)(arg1); \
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register uintptr_t a2 asm ("a2") = (uintptr_t)(arg2); \
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register uintptr_t a3 asm ("a3") = (uintptr_t)(arg3); \
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register uintptr_t a7 asm ("a7") = (uintptr_t)(which); \
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asm volatile ("ecall" \
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: "+r" (a0) \
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: "r" (a1), "r" (a2), "r" (a7) \
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: "r" (a1), "r" (a2), "r" (a3), "r" (a7) \
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: "memory"); \
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a0; \
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})
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/* Lazy implementations until SBI is finalized */
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#define SBI_CALL_0(which) SBI_CALL(which, 0, 0, 0)
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#define SBI_CALL_1(which, arg0) SBI_CALL(which, arg0, 0, 0)
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#define SBI_CALL_2(which, arg0, arg1) SBI_CALL(which, arg0, arg1, 0)
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#define SBI_CALL_0(which) SBI_CALL(which, 0, 0, 0, 0)
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#define SBI_CALL_1(which, arg0) SBI_CALL(which, arg0, 0, 0, 0)
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#define SBI_CALL_2(which, arg0, arg1) SBI_CALL(which, arg0, arg1, 0, 0)
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#define SBI_CALL_3(which, arg0, arg1, arg2) \
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SBI_CALL(which, arg0, arg1, arg2, 0)
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#define SBI_CALL_4(which, arg0, arg1, arg2, arg3) \
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SBI_CALL(which, arg0, arg1, arg2, arg3)
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static inline void sbi_console_putchar(int ch)
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{
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@ -80,7 +85,7 @@ static inline void sbi_remote_sfence_vma(const unsigned long *hart_mask,
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unsigned long start,
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unsigned long size)
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{
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SBI_CALL_1(SBI_REMOTE_SFENCE_VMA, hart_mask);
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SBI_CALL_3(SBI_REMOTE_SFENCE_VMA, hart_mask, start, size);
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}
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static inline void sbi_remote_sfence_vma_asid(const unsigned long *hart_mask,
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@ -88,7 +93,7 @@ static inline void sbi_remote_sfence_vma_asid(const unsigned long *hart_mask,
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unsigned long size,
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unsigned long asid)
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{
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SBI_CALL_1(SBI_REMOTE_SFENCE_VMA_ASID, hart_mask);
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SBI_CALL_4(SBI_REMOTE_SFENCE_VMA_ASID, hart_mask, start, size, asid);
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}
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#endif
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