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authorMichael Brown2008-11-18 02:52:40 +0100
committerMichael Brown2008-11-18 02:52:40 +0100
commit54fbd11221e69eb2c840517b1fb7c1613930f899 (patch)
tree5a0d72d4c4af5a393109b2832037272173544221 /src/arch/i386/image/multiboot.c
parent[linda] Add missing copyright notices (diff)
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[build] Keep gcc 4.4 happy
gcc 4.4 adds another few warnings, and also seems to complain if we place %ebp in the clobber list for any inline asm.
Diffstat (limited to 'src/arch/i386/image/multiboot.c')
-rw-r--r--src/arch/i386/image/multiboot.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/arch/i386/image/multiboot.c b/src/arch/i386/image/multiboot.c
index a4a340fd..49adf951 100644
--- a/src/arch/i386/image/multiboot.c
+++ b/src/arch/i386/image/multiboot.c
@@ -282,11 +282,13 @@ static int multiboot_exec ( struct image *image ) {
/* Jump to OS with flat physical addressing */
DBGC ( image, "MULTIBOOT %p starting execution at %lx\n",
image, entry );
- __asm__ __volatile__ ( PHYS_CODE ( "call *%%edi\n\t" )
+ __asm__ __volatile__ ( PHYS_CODE ( "pushl %%ebp\n\t"
+ "call *%%edi\n\t"
+ "popl %%ebp\n\t" )
: : "a" ( MULTIBOOT_BOOTLOADER_MAGIC ),
"b" ( virt_to_phys ( &mbinfo ) ),
"D" ( entry )
- : "ecx", "edx", "esi", "ebp", "memory" );
+ : "ecx", "edx", "esi", "memory" );
DBGC ( image, "MULTIBOOT %p returned\n", image );