diff options
| author | Ian Moffett <ian@osmora.org> | 2024-01-12 00:07:32 -0500 |
|---|---|---|
| committer | Ian Moffett <ian@osmora.org> | 2024-01-12 00:07:32 -0500 |
| commit | eec633d16fe2ce6e740c1848209ebb8b6d9b60bd (patch) | |
| tree | 3db96a1037b4456d53a4cf7d702c4b42ad2d6ff3 /sys/include/vm | |
| parent | 5b366121157051691dd1c89d80f6a405f9430f4a (diff) | |
kernel/amd64: pmap: Add pmap_map() routine
Add pmap_map() routine for creating virtual memory
mappings.
Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'sys/include/vm')
| -rw-r--r-- | sys/include/vm/pmap.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sys/include/vm/pmap.h b/sys/include/vm/pmap.h index 4d7a06f..e35d14a 100644 --- a/sys/include/vm/pmap.h +++ b/sys/include/vm/pmap.h @@ -49,6 +49,10 @@ #include <sys/types.h> #include <sys/spinlock.h> +/* prot flags for mappings */ +#define PMAP_WRITABLE __BIT(0) /* Writable */ +#define PMAP_EXEC __BIT(1) /* Executable */ + /* * vm_ctx - Per core virtual memory context */ @@ -65,4 +69,9 @@ struct vm_ctx { */ struct vas pmap_read_vas(void); +/* + * Map a physical address to a virtual address. + */ +int pmap_map(struct vm_ctx *, vaddr_t, paddr_t, vm_prot_t); + #endif /* _VM_PMAP_H_ */ |