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D25523.1794765101.diff
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D25523.1794765101.diff

Index: sys/riscv/include/pte.h
===================================================================
--- sys/riscv/include/pte.h
+++ sys/riscv/include/pte.h
@@ -83,6 +83,9 @@
#define PTE_PROMOTE (PTE_V | PTE_RWX | PTE_D | PTE_A | PTE_G | PTE_U | \
PTE_SW_MANAGED | PTE_SW_WIRED)
+/* Bits 63 - 54 are reserved for future use. */
+#define PTE_HI_MASK 0xFFC0000000000000ULL
+
#define PTE_PPN0_S 10
#define PTE_PPN1_S 19
#define PTE_PPN2_S 28
Index: sys/riscv/riscv/pmap.c
===================================================================
--- sys/riscv/riscv/pmap.c
+++ sys/riscv/riscv/pmap.c
@@ -339,7 +339,8 @@
#define pmap_l2_index(va) (((va) >> L2_SHIFT) & Ln_ADDR_MASK)
#define pmap_l3_index(va) (((va) >> L3_SHIFT) & Ln_ADDR_MASK)
-#define PTE_TO_PHYS(pte) ((pte >> PTE_PPN0_S) * PAGE_SIZE)
+#define PTE_TO_PHYS(pte) \
+ ((((pte) & ~PTE_HI_MASK) >> PTE_PPN0_S) * PAGE_SIZE)
static __inline pd_entry_t *
pmap_l1(pmap_t pmap, vm_offset_t va)

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