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RISC-V MMU: Add missing implementation for PTE getter

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For some reason this was (mistakenly) left out from the patch
that was supposed to have it.
This commit is contained in:
Ville Juven 2022-01-26 11:42:26 +02:00 committed by Petro Karashchenko
parent 644c2be3aa
commit 4bd1bd177b
1 changed files with 13 additions and 0 deletions
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13
arch/risc-v/src/common/riscv_mmu.c
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@ -100,6 +100,19 @@ void mmu_ln_setentry(uint32_t ptlevel, uintptr_t lnvaddr, uintptr_t paddr,
mmu_invalidate_tlb_by_vaddr(vaddr);
}
uintptr_t mmu_ln_getentry(uint32_t ptlevel, uintptr_t lnvaddr,
uintptr_t vaddr)
{
uintptr_t *lntable = (uintptr_t *)lnvaddr;
uint32_t index;
DEBUGASSERT(ptlevel > 0 && ptlevel <= RV_MMU_PT_LEVELS);
index = (vaddr >> RV_MMU_VADDR_SHIFT(ptlevel)) & RV_MMU_VPN_MASK;
return lntable[index];
}
void mmu_ln_map_region(uint32_t ptlevel, uintptr_t lnvaddr, uintptr_t paddr,
uintptr_t vaddr, size_t size, uint32_t mmuflags)
{