ds

git-svn-id: https://spexeah.com:8443/svn/Asuro@172 6dbc8c32-bb84-406f-8558-d1cf31a0ab0c

src/tss.pas

@@ -17,7 +17,7 @@ uses
     console;
 
 type
-    TTaskStateSegment = packed record
+    {
         Res1       : uint16;
         IOPBOffset : uint16;
         LDTR       : uint16;
@@ -54,6 +54,92 @@ type
         ESP0       : uint32;
         LINK       : uint16;
         Res12      : uint16;
+    }
+
+    {
+        Res12      : uint16;
+        LINK       : uint16;
+        ESP0       : uint32;
+        Res11      : uint16;
+        SS0        : uint16;
+        Res10      : uint16;
+        SS1        : uint16;
+        Res9       : uint16;
+        SS2        : uint16;
+        CR3        : uint32;
+        EIP        : uint32;
+        EFLAGS     : uint32;
+        EAX        : uint32;
+        ECX        : uint32;
+        EDX        : uint32;
+        EBX        : uint32;
+        ESP        : uint32;
+        EBP        : uint32;
+        ESI        : uint32;
+        EDI        : uint32;
+        Res8       : uint16;
+        ES         : uint16;
+        Res7       : uint16;
+        CS         : uint16;
+        Res6       : uint16;
+        SS         : uint16;
+        Res5       : uint16;
+        DS         : uint16;
+        Res4       : uint16;
+        FS         : uint16;
+        Res3       : uint16;
+        GS         : uint16;
+        Res2       : uint16;
+        LDTR       : uint16;
+        IOPBOffset : uint16;
+        Res1       : uint16;
+    }
+
+    TTaskStateSegment = packed record
+        link : uint16;
+        link_h : uint16;
+
+        esp0 : uint32;
+        ss0 : uint16;
+        ss0_h : uint16;
+
+        esp1 : uint32;
+        ss1 : uint16;
+        ss1_h : uint16;
+
+        esp2 : uint32;
+        ss2 : uint16;
+        ss2_h : uint16;
+
+        cr3 : uint32;
+        eip : uint32;
+        eflags : uint32;
+
+        eax : uint32;
+        ecx : uint32;
+        edx : uint32;
+        ebx : uint32;
+
+        esp : uint32;
+        ebp : uint32;
+        esi : uint32;
+        edi : uint32;
+        es : uint16;
+        es_h : uint16;
+        cs : uint16;
+        cs_h : uint16;
+        ss : uint16;
+        ss_h : uint16;
+        ds : uint16;
+        ds_h : uint16;
+        fs : uint16;
+        fs_h : uint16;
+        gs : uint16;
+        gs_h : uint16;
+        ldt : uint16;
+        ldt_h : uint16;
+        trap : uint16;
+        iomap : uint16;
     end;
     PTaskStateSegment = ^TTaskStateSegment;
 
@@ -67,38 +153,22 @@ implementation
 
 procedure init;
 var
-    i : uint32;
     cESP : uint32;
 
 begin
-    console.writestringln('A');
-    i:=KERNEL_PAGE_NUMBER+4;
-    console.writestringln('B');
-    while not vmemorymanager.new_page(i) do begin
-        i:= i + 1;
-    end;
-    console.writestringln('C');
-    ptrTaskStateSegment:= PTaskStateSegment(i SHL 22);
-    console.writestringln('D');
-    ptrTaskStateSegment^.SS0:= $10;
-    console.writestringln('E');
-    ptrTaskStateSegment^.ESP0:= $00;
-    console.writestringln('F');
-    ptrTaskStateSegment^.IOPBOffset:= sizeof(TTaskStateSegment);
-    console.writestringln('G');
-    gdt.set_gate($05, i SHL 22 - KERNEL_VIRTUAL_BASE, sizeof(TTaskStateSegment), $89, $40); //OFFSET: 40
-    console.writestringln('H');
+    ptrTaskStateSegment^.ss0:= $10;
+    ptrTaskStateSegment^.iomap:= sizeof(TTaskStateSegment);
+    gdt.set_gate($05, uint32(ptrTaskStateSegment) - KERNEL_VIRTUAL_BASE, sizeof(TTaskStateSegment), $89, $40); //OFFSET: 40
     asm
         MOV cESP, ESP 
     end;
-    console.writestringln('I');
-    ptrTaskStateSegment^.ESP0:= cESP;
-    console.writestringln('J');
+    ptrTaskStateSegment^.esp0:= cESP;
+    console.writestringln('A');
     asm
         mov AX, 40
         ltr AX
     end;
-    console.writestringln('K');
+    console.writestringln('B');
 end;
 
 end.