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[xen staging] x86/boot: Add missing __XEN__ definition for 32 bit code



commit be21da24c6a264eafbdd3b41ade838771fc56a2d
Author:     Frediano Ziglio <frediano.ziglio@xxxxxxxxx>
AuthorDate: Mon Sep 9 14:22:16 2024 +0100
Commit:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CommitDate: Mon Sep 9 14:59:05 2024 +0100

    x86/boot: Add missing __XEN__ definition for 32 bit code
    
    We are compiling Xen source code so we should define __XEN__ macro.
    We don't want to import all definitions from XEN_CFLAGS (as done for
    other options) because most of them are processor dependent and
    do not apply to 32 bit.
    
    Signed-off-by: Frediano Ziglio <frediano.ziglio@xxxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 xen/arch/x86/boot/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/arch/x86/boot/Makefile b/xen/arch/x86/boot/Makefile
index dfe3cb7034..ff0f965876 100644
--- a/xen/arch/x86/boot/Makefile
+++ b/xen/arch/x86/boot/Makefile
@@ -15,7 +15,7 @@ CFLAGS_x86_32 := $(subst -m64,-m32 
-march=i686,$(XEN_TREEWIDE_CFLAGS))
 $(call cc-options-add,CFLAGS_x86_32,CC,$(EMBEDDED_EXTRA_CFLAGS))
 CFLAGS_x86_32 += -Werror -fno-builtin -g0 -msoft-float -mregparm=3
 CFLAGS_x86_32 += -nostdinc -include $(filter 
%/include/xen/config.h,$(XEN_CFLAGS))
-CFLAGS_x86_32 += $(filter -I% -O%,$(XEN_CFLAGS))
+CFLAGS_x86_32 += $(filter -I% -O%,$(XEN_CFLAGS)) -D__XEN__
 
 # override for 32bit binaries
 $(head-bin-objs): CFLAGS_stack_boundary :=
--
generated by git-patchbot for /home/xen/git/xen.git#staging



 


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