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Fix test_long_mode (closes #4)

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Philipp Oppermann
2015-10-25 01:55:31 +02:00
parent ca9c3fdcf4
commit 76ea95acf5
1 changed files with 3 additions and 3 deletions
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6
_posts/2015-08-25-entering-longmode.md
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@@ -125,10 +125,10 @@ test_long_mode:
cpuid ; CPU identification.
cmp eax, 0x80000001 ; Compare the A-register with 0x80000001.
jb .no_long_mode ; It is less, there is no long mode.
mov eax, 0x80000000 ; Set the A-register to 0x80000000.
mov eax, 0x80000001 ; Set the A-register to 0x80000001.
cpuid ; CPU identification.
cmp eax, 0x80000001 ; Compare the A-register with 0x80000001.
jb .no_long_mode ; It is less, there is no long mode.
test edx, 1 << 29 ; Test if the LM-bit, which is bit 29, is set in the D-register.
jz .no_long_mode ; They aren't, there is no long mode.
ret
.no_long_mode:
mov al, "2"