Fix vga-overlay so that it doesn't cause disasters when it does an immediate-flush...

[netwatch.git] / aseg / aseg.asm

diff --git a/aseg/aseg.asm b/aseg/aseg.asm
index c086b83b0971ebe211e3e9940fe900063fd65d93..7380dc0bac64c0ab689481a4f01f31e7326641ca 100644 (file)
--- a/aseg/aseg.asm
+++ b/aseg/aseg.asm
@@ -22,25 +22,15 @@ continue:
        mov gs, ax
        mov ss, ax
        mov esp, [dataptr]              ; Load stack pointer.
-
-       mov al, [needclear]             ; Has the aseg been run before?
-       cmp al, 0                       ; If so,
-       jz noclear                      ; don't clear BSS.
-       mov al, 0                       ; Otherwise, clear BSS.
-       mov edi, [dataptr+4]
-       mov ecx, [dataptr+8]
-       rep stosb
-       mov [needclear], al
        
-noclear:
-       mov eax, [dataptr+12]           ; Load target jump address
+       mov eax, [dataptr+4]            ; Load target jump address
        call eax                        ; then jump into C.
 
        rsm                             ; and leave SMM
 
        align 0x4
 gdtr:
-       db 0x1F, 0x00
+       db 0x17, 0x00
        dd gdt
        align 0x4
 gdt:
@@ -48,12 +38,7 @@ gdt:
        db 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x93, 0xCF, 0x00       ; data segment
        db 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x9B, 0xCF, 0x00       ; code segment
 
-needclear:
-       db 0x01
-
 dataptr:
        ; 4 bytes of stack top
-       ; 4 bytes of BSS start
-       ; 4 bytes of BSS length
        ; 4 bytes of C entry point
        ; These show up