We have already had the boot pagetable when reaching the point
of early_printk fixmap setup. Thus there is no longer necessary
to calculate physical address of xen_fixmap.
Signed-off-by: Chen Baozi <baoz...@gmail.com>
---
xen/arch/arm/arm64/head.S | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/xen/arch/arm/arm64/head.S b/xen/arch/arm/arm64/head.S
index 75b7ee1..9ed9a93 100644
--- a/xen/arch/arm/arm64/head.S
+++ b/xen/arch/arm/arm64/head.S
@@ -519,8 +519,7 @@ paging:
cbnz x22, 1f
/* Add UART to the fixmap table */
- ldr x1, =xen_fixmap
- add x1, x1, x20 /* x1 := paddr (xen_fixmap) */
+ ldr x1, =xen_fixmap /* x1 := vaddr (xen_fixmap) */
lsr x2, x23, #THIRD_SHIFT
lsl x2, x2, #THIRD_SHIFT /* 4K aligned paddr of UART */
mov x3, #PT_DEV_L3
--
2.1.4
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