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Notepad port to userspace and bug fixes

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boreddevnl
2026-02-26 16:21:20 +01:00
parent 23ec181f29
commit c2ead0d6a7
67 changed files with 828 additions and 399 deletions
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6
src/kernel/gdt_asm.asm
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@@ -6,7 +6,7 @@ section .text
gdt_flush:
lgdt [rdi] ; Load GDT from the pointer passed in RDI
mov ax, 0x10 ; 0x10 is our offset in the GDT to our data segment
mov ax, 0x10 ; 0x10 is the offset in the GDT to data segment
mov ds, ax
mov es, ax
mov fs, ax
@@ -14,7 +14,7 @@ gdt_flush:
mov ss, ax
; Far jump to update CS
push 0x08 ; 0x08 is our offset to the code segment
push 0x08 ; 0x08 is the offset to the code segment
lea rax, [rel .flush]
push rax
retfq
@@ -23,6 +23,6 @@ gdt_flush:
ret
tss_flush:
mov ax, 0x28 ; 0x28 is our offset in the GDT to the TSS
mov ax, 0x28 ; 0x28 is the offset in the GDT to the TSS
ltr ax
ret