[PATCH 4/4] x86/xen: remove 32-bit awareness from startup_xen
From: Juergen Gross
Date: Thu Oct 28 2021 - 04:12:39 EST
startup_xen is still 32-bit aware, even if no longer needed.
Replace the register macros by the 64-bit register names for making
it more readable.
Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
---
arch/x86/xen/xen-head.S | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/arch/x86/xen/xen-head.S b/arch/x86/xen/xen-head.S
index cb6538ae2fe0..38b0a3226c95 100644
--- a/arch/x86/xen/xen-head.S
+++ b/arch/x86/xen/xen-head.S
@@ -28,13 +28,13 @@ SYM_CODE_START(startup_xen)
/* Clear .bss */
xor %eax,%eax
- mov $__bss_start, %_ASM_DI
- mov $__bss_stop, %_ASM_CX
- sub %_ASM_DI, %_ASM_CX
- shr $__ASM_SEL(2, 3), %_ASM_CX
- rep __ASM_SIZE(stos)
+ mov $__bss_start, %rdi
+ mov $__bss_stop, %rcx
+ sub %rdi, %rcx
+ shr $3, %rcx
+ rep stosq
- mov %_ASM_SI, xen_start_info
+ mov %rsi, xen_start_info
mov initial_stack(%rip), %rsp
/* Set up %gs.
--
2.26.2