Spexeah/Asuro
Spexeah/Asuro
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Code Cleanup

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git-svn-id: https://spexeah.com:8443/svn/Asuro@180 6dbc8c32-bb84-406f-8558-d1cf31a0ab0c
This commit is contained in:
kieron 2017-05-22 01:07:19 +00:00
parent 27ad1415c3
commit 77a41c94f7
10 changed files with 4 additions and 11 deletions
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Asuro.iso
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bin/kernel.bin
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iso/boot/asuro.bin
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lib/kernel.ppu
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lib/libpconsole.a
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lib/libpmultiboot.a
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lib/libpsystem.a
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src/gdt.pas
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@ -70,6 +70,7 @@ end;
procedure reload; procedure reload;
begin begin
console.writestringln('GDT: RELOAD.');
reload_gdt(uint32(@gdt_pointer)); reload_gdt(uint32(@gdt_pointer));
end; end;
@ -80,8 +81,6 @@ var
begin begin
lLimit:= (Gate_Number + 1) * 8; lLimit:= (Gate_Number + 1) * 8;
lLimit:= lLimit - 1; lLimit:= lLimit - 1;
writestring('lLimit: ');
writewordln(lLimit);
if lLimit > gdt_pointer.limit then begin if lLimit > gdt_pointer.limit then begin
gdt_pointer.limit:= lLimit; gdt_pointer.limit:= lLimit;
end; end;

2
src/kernel.pas
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@ -66,8 +66,8 @@ begin
pmemorymanager.init(); pmemorymanager.init();
vmemorymanager.init(); vmemorymanager.init();
lmemorymanager.init(); lmemorymanager.init();
scheduler.init();
tss.init(); tss.init();
scheduler.init();
STI; STI;
isr32.hook(uint32(@bios_data_area.tick_update)); isr32.hook(uint32(@bios_data_area.tick_update));

10
src/tss.pas
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@ -188,7 +188,7 @@ var
cCR3 : uint32; cCR3 : uint32;
begin begin
console.writehexln(uint32(ptrTaskStateSegment)); console.writestringln('TSS: INIT BEGIN.')
ptrTaskStateSegment^.ss0:= $08; ptrTaskStateSegment^.ss0:= $08;
ptrTaskStateSegment^.iomap:= sizeof(TTaskStateSegment)-1; ptrTaskStateSegment^.iomap:= sizeof(TTaskStateSegment)-1;
asm asm
@ -199,19 +199,13 @@ begin
console.writewordln(sizeof(TTaskStateSegment)); console.writewordln(sizeof(TTaskStateSegment));
ptrTaskStateSegment^.esp0:= cESP; ptrTaskStateSegment^.esp0:= cESP;
ptrTaskStateSegment^.CR3:= cCR3; ptrTaskStateSegment^.CR3:= cCR3;
console.writestring('OLD LIMIT: ');
console.writewordln(gdt.gdt_pointer.limit);
gdt.set_gate($05, uint32(ptrTaskStateSegment)-KERNEL_VIRTUAL_BASE, sizeof(TTaskStateSegment)-1, $89, $40); //OFFSET: 40 gdt.set_gate($05, uint32(ptrTaskStateSegment)-KERNEL_VIRTUAL_BASE, sizeof(TTaskStateSegment)-1, $89, $40); //OFFSET: 40
console.writestring('NEW LIMIT: ');
console.writewordln(gdt.gdt_pointer.limit);
gdt.reload; gdt.reload;
//while true do begin end;
console.writestringln('A');
asm asm
mov AX, 40 mov AX, 40
ltr AX ltr AX
end; end;
console.writestringln('B'); console.writestringln('TSS: INIT END.')
end; end;
end. end.