kern/amd64: mu: Add pmap unmap function

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 9 insertions, 0 deletions

diff --git a/sys/inc/mu/mmu.h b/sys/inc/mu/mmu.h
index da2a286..d9be17a 100644
--- a/sys/inc/mu/mmu.h
+++ b/sys/inc/mu/mmu.h
@@ -50,6 +50,15 @@ __strong int mu_pmap_map(
 );
 
 /*
+ * Destroy a virtual to physical address mapping
+ *
+ * @vas: Virtual addres space to unmap from
+ * @va: Virtual address to unmap
+ * @ps: Pagesize of region covered by virtual address
+ */
+__strong int mu_pmap_unmap(struct mmu_vas *vas, uintptr_t va, pagesize_t ps);
+
+/*
  * Copy the current VAS leaving the user-side
  * zeroed
  */