diff options
Diffstat (limited to 'com32.inc')
| -rw-r--r-- | com32.inc | 12 |
1 files changed, 6 insertions, 6 deletions
@@ -82,14 +82,14 @@ com32_enter_pm: call enable_a20 .a20ok: - mov byte [bcopy_gdt.tss+5],89h ; Mark TSS unbusy + mov byte [bcopy_gdt.TSS+5],89h ; Mark TSS unbusy lgdt [bcopy_gdt] ; We can use the same GDT just fine lidt [com32_pmidt] ; Set up the IDT mov eax,cr0 or al,1 mov cr0,eax ; Enter protected mode - jmp 20h:.in_pm + jmp PM_CS32:.in_pm bits 32 .in_pm: @@ -98,12 +98,12 @@ com32_enter_pm: mov gs,eax lldt ax - mov al,28h ; Set up data segments + mov al,PM_DS32 ; Set up data segments mov es,eax mov ds,eax mov ss,eax - mov al,30h ; Be nice to Intel's VT by + mov al,PM_TSS ; Be nice to Intel's VT by ltr ax ; giving it a valid TR mov esp,[PMESP] ; Load protmode %esp if available @@ -182,11 +182,11 @@ com32_enter_rm: cld mov [PMESP],esp ; Save exit %esp xor esp,esp ; Make sure the high bits are zero - jmp 08h:.in_pm16 ; Return to 16-bit mode first + jmp PM_CS16:.in_pm16 ; Return to 16-bit mode first bits 16 .in_pm16: - mov ax,18h ; Real-mode-like segment + mov ax,PM_DS16_RM ; Real-mode-like segment mov es,ax mov ds,ax mov ss,ax |