[Xen-changelog] [xen staging] xen/arm64: head: Document enable_mmu()

[patchbot@xxxxxxx]

commit 2033833b87948c13201c83022bac76b758d8e4cb
Author:     Julien Grall <julien.grall@xxxxxxx>
AuthorDate: Fri Jun 7 22:07:19 2019 +0100
Commit:     Julien Grall <julien.grall@xxxxxxx>
CommitDate: Wed Jul 31 20:33:07 2019 +0100

    xen/arm64: head: Document enable_mmu()
    
    Document the behavior and the main registers usage within enable_mmu().
    
    Signed-off-by: Julien Grall <julien.grall@xxxxxxx>
    Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
---
 xen/arch/arm/arm64/head.S | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/xen/arch/arm/arm64/head.S b/xen/arch/arm/arm64/head.S
index eddf663021..63563ef5e3 100644
--- a/xen/arch/arm/arm64/head.S
+++ b/xen/arch/arm/arm64/head.S
@@ -576,6 +576,13 @@ virtphys_clash:
         ret
 ENDPROC(create_page_tables)
 
+/*
+ * Turn on the Data Cache and the MMU. The function will return on the 1:1
+ * mapping. In other word, the caller is responsible to switch to the runtime
+ * mapping.
+ *
+ * Clobbers x0 - x3
+ */
 enable_mmu:
         PRINT("- Turning on paging -\r\n")
 
--
generated by git-patchbot for /home/xen/git/xen.git#staging

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