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hv_vm: Short-circuit hv_translate when MMU is off

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Signed-off-by: Hector Martin <marcan@marcan.st>
This commit is contained in:
Hector Martin 2021-05-09 03:12:18 +09:00
parent 8d5596a1a1
commit bcdafe8d00
1 changed files with 3 additions and 0 deletions
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src/hv_vm.c
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@ -329,6 +329,9 @@ int hv_map_hook(u64 from, hv_hook_t *hook, u64 size)
u64 hv_translate(u64 addr, bool s1, bool w)
{
if (!(mrs(SCTLR_EL12) & SCTLR_M))
return addr; // MMU off
u64 el = FIELD_GET(SPSR_M, mrs(SPSR_EL2)) >> 2;
u64 save = mrs(PAR_EL1);