Spexeah/Asuro
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TRYING TO FIX FUCKING MEMORY MANAGER.

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git-svn-id: https://spexeah.com:8443/svn/Asuro@133 6dbc8c32-bb84-406f-8558-d1cf31a0ab0c
This commit is contained in:
kieron 2017-05-20 12:19:11 +00:00
parent 3594913835
commit a6325d5062
3 changed files with 14 additions and 1 deletions
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BIN
lib/pmemorymanager.ppu
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4
src/pmemorymanager.pas
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@ -33,6 +33,10 @@ begin
Present:= True; Present:= True;
MappedTo:= 0; MappedTo:= 0;
end; end;
with PhysicalMemory[2] do begin
Present:= True;
MappedTo:= 0;
end;
console.writestringln('PMM: INIT END.'); console.writestringln('PMM: INIT END.');
end; end;

11
src/vmemorymanager.pas
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@ -57,6 +57,15 @@ var
begin begin
console.writestringln('VMM: INIT BEGIN.'); console.writestringln('VMM: INIT BEGIN.');
PageDirectory:= load_current_page_directory; PageDirectory:= load_current_page_directory;
PageDirectory^[KERNEL_VIRTUAL_BASE + 1].Present:= True;
PageDirectory^[KERNEL_VIRTUAL_BASE + 1].PageSize:= True;
PageDirectory^[KERNEL_VIRTUAL_BASE + 1].Writable:= True;
PageDirectory^[KERNEL_VIRTUAL_BASE + 1].Address:= (1 SHL 22);
PageDirectory^[KERNEL_VIRTUAL_BASE + 2].Present:= True;
PageDirectory^[KERNEL_VIRTUAL_BASE + 2].PageSize:= True;
PageDirectory^[KERNEL_VIRTUAL_BASE + 2].Writable:= True;
PageDirectory^[KERNEL_VIRTUAL_BASE + 2].Address:= (2 SHL 22);
console.writestringln('VMM: INIT END.'); console.writestringln('VMM: INIT END.');
end; end;
@ -69,7 +78,7 @@ var
begin begin
new_page:= false; new_page:= false;
if PageDirectory^[page_number].Present then exit; if PageDirectory^[page_number].Present then exit;
if PageDirectory^[page_number].Reserved then exit; //if PageDirectory^[page_number].Reserved then exit;
block:= pmemorymanager.new_block(uint32(PageDirectory)); block:= pmemorymanager.new_block(uint32(PageDirectory));
if block < 2 then begin if block < 2 then begin
GPF; GPF;