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-rw-r--r--sys/include/vm/pmap.h9
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_ */