[feat] 100Hz task switch

2026-05-31 18:35:25 +08:00
parent 4ff227bc75
commit daccb0a763
16 changed files with 1172 additions and 36 deletions
@@ -0,0 +1,33 @@
+.intel_syntax noprefix
+
+.global idt_load
+idt_load:
+    sub rsp, 10
+    mov [rsp], si
+    mov [rsp + 2], rdi
+    lidt [rsp]
+    add rsp, 10
+    ret
+
+.global lgdt_and_reload
+lgdt_and_reload:
+    lgdt [rdi]
+    push 0x08
+    mov rax, offset .reload_cs
+    push rax
+    retfq
+.reload_cs:
+    mov ax, 0x10
+    mov ds, ax
+    mov es, ax
+    mov fs, ax
+    mov gs, ax
+    mov ss, ax
+    ret
+
+.global tss_load
+tss_load:
+    ltr di
+    ret
+
+.section .note.GNU-stack,"",@progbits