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[PATCH v2 1/7] OvmfPkg/XenResetVector: Silent a warning from nasm


  • To: <devel@xxxxxxxxxxxxxx>
  • From: Anthony PERARD <anthony.perard@xxxxxxxxxx>
  • Date: Thu, 25 Mar 2021 15:47:07 +0000
  • Authentication-results: esa4.hc3370-68.iphmx.com; dkim=none (message not signed) header.i=none
  • Cc: <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Jordan Justen <jordan.l.justen@xxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, "Ard Biesheuvel" <ard.biesheuvel@xxxxxxxxxx>, Laszlo Ersek <lersek@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>
  • Delivery-date: Thu, 25 Mar 2021 15:47:36 +0000
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  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

To avoid nasm generating a warning, replace the macro by the value
expected to be stored in eax.
  Ia32/XenPVHMain.asm:76: warning: dword data exceeds bounds

Reported-by: Laszlo Ersek <lersek@xxxxxxxxxx>
Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
Reviewed-by: Laszlo Ersek <lersek@xxxxxxxxxx>
---
 OvmfPkg/XenResetVector/Ia32/XenPVHMain.asm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/OvmfPkg/XenResetVector/Ia32/XenPVHMain.asm 
b/OvmfPkg/XenResetVector/Ia32/XenPVHMain.asm
index 2df0f12e18cb..c761e9d30729 100644
--- a/OvmfPkg/XenResetVector/Ia32/XenPVHMain.asm
+++ b/OvmfPkg/XenResetVector/Ia32/XenPVHMain.asm
@@ -73,7 +73,7 @@ xenPVHMain:
     ;
     ; parameter for Flat32SearchForBfvBase
     ;
-    mov     eax, ADDR_OF(fourGigabytes)
+    mov     eax, 0   ; ADDR_OF(fourGigabytes)
     add     eax, edx ; add delta
 
     ;
-- 
Anthony PERARD


 


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