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Kernel: Clear the X86 direction flag (DF) in the boot loader.

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I'm not sure who is responsible for clearing this, but IIUC the C++ ABI
expects it to be clear on function entry, so just to be on the safe side..
This commit is contained in:
Andreas Kling 2019-05-17 18:20:11 +02:00
parent 45230a9544
commit a15857ea28
1 changed files with 3 additions and 1 deletions
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4
Kernel/Boot/boot.S
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@ -40,6 +40,9 @@ stack_top:
.type init, @function .type init, @function
start: start:
cli
cld
mov $stack_top, %esp mov $stack_top, %esp
and $-16, %esp and $-16, %esp
@ -48,7 +51,6 @@ start:
pushl %eax /* Multiboot header magic */ pushl %eax /* Multiboot header magic */
pushl %ebx /* Multiboot header pointer */ pushl %ebx /* Multiboot header pointer */
cli
call init call init
pushl $exit_message pushl $exit_message