Merge pull request #81 from nekernel-org/dev

feat! breaking changes on kernel sources.

1 files changed, 137 insertions, 0 deletions

diff --git a/src/kernel/HALKit/AMD64/HalCommonAPI.asm b/src/kernel/HALKit/AMD64/HalCommonAPI.asm
new file mode 100644
index 00000000..9f3652bc
--- /dev/null
+++ b/src/kernel/HALKit/AMD64/HalCommonAPI.asm
@@ -0,0 +1,137 @@
+;; /*
+;; *	========================================================
+;; *
+;; *	NeKernel
+;; * 	Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
+;; *
+;; * 	========================================================
+;; */
+
+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 rbp
+    mov  rbp, rsp
+
+    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
+
+    pop rbp
+
+    o64 iret
+
+
+section .text
+
+global sched_jump_to_task
+
+sched_jump_to_task:
+    push rbp
+    mov  rbp, rsp
+
+    mov ax, 0x30
+    mov ds, ax
+    mov es, ax
+    mov fs, ax
+    mov gs, ax
+
+    mov ax, 0x18
+    ltr ax
+
+    push 0x30
+    mov rdx, [rcx + 0x08]
+    push rdx
+    o64 pushf
+    push 0x28
+    mov rdx, [rcx + 0x00]
+    push rdx
+
+    call sched_recover_registers
+
+    o64 iret
+
+global sched_idle_task
+
+sched_idle_task:
+    jmp $
+    ret
+
+sched_recover_registers:
+    push rbp
+    mov  rbp, rsp
+
+    mov  r8, [rcx + 0x10]
+    mov  r9, [rcx + 0x18]
+    mov r10, [rcx + 0x20]
+    mov r11, [rcx + 0x28]
+    mov r12, [rcx + 0x30]
+    mov r13, [rcx + 0x38]
+    mov r14, [rcx + 0x40]
+    mov r15, [rcx + 0x48]
+
+    pop rbp
+
+    ret
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