diff options
| author | Ian Moffett <ian@osmora.org> | 2024-02-29 21:58:43 -0500 |
|---|---|---|
| committer | Ian Moffett <ian@osmora.org> | 2024-02-29 21:58:43 -0500 |
| commit | f8bb4e99a64aa9df31465ee817fc5623a2822b63 (patch) | |
| tree | 7bf4550fd65d26157adcc5fac07d0de146bca232 | |
| parent | 31aa84528af5a92c3019e6abaa949eb20a4e73d9 (diff) | |
kernel/amd64: pmap: Add user pte flag
Signed-off-by: Ian Moffett <ian@osmora.org>
| -rw-r--r-- | sys/arch/amd64/amd64/pmap.c | 2 | ||||
| -rw-r--r-- | sys/include/vm/pmap.h | 1 |
2 files changed, 3 insertions, 0 deletions
diff --git a/sys/arch/amd64/amd64/pmap.c b/sys/arch/amd64/amd64/pmap.c index e898e74..7b8609a 100644 --- a/sys/arch/amd64/amd64/pmap.c +++ b/sys/arch/amd64/amd64/pmap.c @@ -64,6 +64,8 @@ pmap_prot_to_pte(vm_prot_t prot) pte_flags |= PTE_RW; if (__TEST(prot, PROT_EXEC)) pte_flags &= ~(PTE_NX); + if (__TEST(prot, PROT_USER)) + pte_flags |= PTE_US; return pte_flags; } diff --git a/sys/include/vm/pmap.h b/sys/include/vm/pmap.h index 516c2ea..85c6753 100644 --- a/sys/include/vm/pmap.h +++ b/sys/include/vm/pmap.h @@ -52,6 +52,7 @@ /* prot flags for mappings */ #define PROT_WRITE __BIT(0) /* Writable */ #define PROT_EXEC __BIT(1) /* Executable */ +#define PROT_USER __BIT(2) /* User accessible */ #define is_vas_valid(vas) (vas.top_level != 0) |