1 files changed, 82 insertions, 0 deletions
diff --git a/dev/Kernel/HALKit/AMD64/HalCommonAPI.asm b/dev/Kernel/HALKit/AMD64/HalCommonAPI.asm
new file mode 100644
index 00000000..8f6b242b
--- /dev/null
+++ b/dev/Kernel/HALKit/AMD64/HalCommonAPI.asm
@@ -0,0 +1,82 @@
+;; /*
+;; *	========================================================
+;; *
+;; *	ZKA
+;; * 	Copyright (C) 2024, Amlal EL Mahrouss, all rights reserved., all rights reserved.
+;; *
+;; * 	========================================================
+;; */
+
+section .text
+
+extern rt_wait_400ns
+
+global rt_out8
+global rt_out16
+global rt_out32
+
+global rt_in8
+global rt_in16
+global rt_in32
+
+rt_out8:
+    mov al, dl
+    mov dx, cx
+    out dx, al
+    ret
+
+rt_out16:
+    mov ax, dx
+    mov dx, cx
+    out dx, ax
+    ret
+
+rt_out32:
+    mov eax, edx
+    mov edx, ecx
+    out dx, eax
+    ret
+
+rt_in8:
+    mov dx, cx
+    in al, dx
+    ret
+
+rt_in16:
+    mov edx, ecx
+    in ax, dx
+    ret
+
+rt_in32:
+    mov rdx, rcx
+    in eax, dx
+    ret
+
+extern hal_system_call_enter
+global mp_system_call_handler
+
+mp_system_call_handler:
+
+    push r8
+    push r9
+    push r10
+    push r11
+    push r12
+    push r13
+    push r14
+    push r15
+
+    jmp hal_system_call_enter
+
+    pop r15
+    pop r14
+    pop r13
+    pop r12
+    pop r11
+    pop r10
+    pop r9
+    pop r8
+
+    o64 sysret
+
+[bits 16]