some stuff enhancement

include/mm/mm.h

@@ -132,7 +132,7 @@ void MmInitGdt(void);
 //
 // Loads the descriptor table
 //
-extern void MmLoadGdt(ulong ds, ulong cs, ulong tr);
+extern void MmLoadGdt();
 
 
 //

kaleid/kernel/init/init.c

@@ -49,6 +49,7 @@ noreturn void BtStartKern(multiboot_info_t *mbInfo, uint mbMagic, void *codeSeg)
 
     // Memory
     MmInitMemoryMap();
+    MmInitGdt();
     MmInitPaging();
     MmInitHeap();
 

kaleid/kernel/mm/gdt.asm

@@ -33,24 +33,13 @@ global MmStoreGdt
 ;; Loads the GDT
 ;;
 MmLoadGdt:
-
     ;; Loading the gdt via the gdtPtr pointer
-    lgdt [rel gdtPtr]
-
-    ;; Reloading the segment registers
-    mov ax, si              ; data segment
-    mov ds, ax
-    mov es, ax
-    mov fs, ax
-    mov gs, ax
-    mov ss, ax
-    mov cs, di          ; code segment
+    lgdt [gdtPtr]
 
     ;; We must far jump because we changed the GDT
-    lea rax, [rel .next]
+    lea rax, [.next]
     push rax
     ret
-
 .next:
     ;ltr dx                  ; the TSS
     ret

kaleid/kernel/mm/gdt.c

@@ -76,7 +76,7 @@ void MmInitGdt(void)
 
     /* SetTssEntry(2, (ulong)&tssEntry, sizeof(TssEntry_t)); */
 
-    /* MmLoadGdt(0x8, 0x0, 2 << 3); */
+    MmLoadGdt();
 }