Imbus/xv6-riscv-kernel
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all of PTE_FLAGS

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Robert Morris 2019-09-17 06:07:58 -04:00
parent 036b5edf12
commit 2df42355f7
3 changed files with 5 additions and 5 deletions
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kernel/riscv.h
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@ -338,7 +338,7 @@ sfence_vma()
#define PTE2PA(pte) (((pte) >> 10) << 12)
#define PTE_FLAGS(pte) ((pte) & (PTE_V|PTE_R|PTE_W|PTE_X|PTE_U))
#define PTE_FLAGS(pte) ((pte) & 0x3FF)
// extract the three 9-bit page table indices from a virtual address.
#define PXMASK 0x1FF // 9 bits