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-rw-r--r--kernel/riscv.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/riscv.h b/kernel/riscv.h
index 9df3cc0..f46ba59 100644
--- a/kernel/riscv.h
+++ b/kernel/riscv.h
@@ -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