diff options
| -rw-r--r-- | arch/x86/boot/pmjump.S | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86/boot/pmjump.S b/arch/x86/boot/pmjump.S index 26baeab3a4d..fa6bed1fac1 100644 --- a/arch/x86/boot/pmjump.S +++ b/arch/x86/boot/pmjump.S @@ -28,11 +28,13 @@ * void protected_mode_jump(u32 entrypoint, u32 bootparams); */ protected_mode_jump: - xorl %ebx, %ebx # Flag to indicate this is a boot movl %edx, %esi # Pointer to boot_params table movl %eax, 2f # Patch ljmpl instruction movw $__BOOT_DS, %cx + xorl %ebx, %ebx # Per the 32-bit boot protocol + xorl %ebp, %ebp # Per the 32-bit boot protocol + xorl %edi, %edi # Per the 32-bit boot protocol movl %cr0, %edx orb $1, %dl # Protected mode (PE) bit |