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lib: No need to set VSSTATUS.MXR bit in get_insn()

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We don't need to set VSSTATUS.MXR bit in get_insn() for
unpriv instruction read because MSTATUS.MXR bit applies
to both "Stage1" and "Stage2" page tables.

This also allows us to remove the "virt" parameter of
get_insn() function.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
This commit is contained in:
Anup Patel
2019-11-16 16:38:53 +05:30
committed by Anup Patel
parent 838657c052
commit b1d8c988bc
4 changed files with 6 additions and 27 deletions
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2
include/sbi/riscv_unpriv.h
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@@ -42,7 +42,7 @@ DECLARE_UNPRIVILEGED_LOAD_FUNCTION(u64)
DECLARE_UNPRIVILEGED_STORE_FUNCTION(u64)
DECLARE_UNPRIVILEGED_LOAD_FUNCTION(ulong)
ulong get_insn(ulong mepc, bool virt, struct sbi_scratch *scratch,
ulong get_insn(ulong mepc, struct sbi_scratch *scratch,
struct unpriv_trap *trap);
#endif