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lib: sbi: Fix bug in sbi_ecall_rfence that misses checking

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In sbi_ecall_rfence_handler, it will compare the funcid with
REMOTE_HFENCE_GVMA and REMOTE_HFENCE_VVMA_ASID. Later it check
whether the misa includes H-extension. This checking is incomplete
which misses REMOTE_HFENCE_GVMA_VMID and REMOTE_HFENCE_VVMA.

Fix the issue by updating the checking range.

Signed-off-by: Dong Du <Dd_nirvana@sjtu.edu.cn>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
This commit is contained in:
Dong Du 2021-08-13 20:33:00 +08:00 • committed by Anup Patel
parent 7aa6c9aa96
commit 33eac764f2
1 changed files with 2 additions and 2 deletions
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4
lib/sbi/sbi_ecall_replace.c
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@ -54,8 +54,8 @@ static int sbi_ecall_rfence_handler(unsigned long extid, unsigned long funcid,
struct sbi_tlb_info tlb_info;
u32 source_hart = current_hartid();
if (funcid >= SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA &&
funcid <= SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA_ASID)
if (funcid >= SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA_VMID &&
funcid <= SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA)
if (!misa_extension('H'))
return SBI_ENOTSUPP;