From 1003d7a20bab6885b4edde7d11103a199de30d21 Mon Sep 17 00:00:00 2001
From: Amlal <amlal@el-mahrouss-logic.com>
Date: Sat, 7 Sep 2024 09:18:35 +0200
Subject: Daily bump.

Signed-off-by: Amlal <amlal@el-mahrouss-logic.com>
---
 dev/ZKA/HALKit/AMD64/HalInterruptAPI.asm | 46 ++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)

(limited to 'dev/ZKA/HALKit/AMD64/HalInterruptAPI.asm')

diff --git a/dev/ZKA/HALKit/AMD64/HalInterruptAPI.asm b/dev/ZKA/HALKit/AMD64/HalInterruptAPI.asm
index 28f86b34..56853441 100644
--- a/dev/ZKA/HALKit/AMD64/HalInterruptAPI.asm
+++ b/dev/ZKA/HALKit/AMD64/HalInterruptAPI.asm
@@ -237,12 +237,58 @@ extern hal_real_init
 
 hal_reload_segments:
     sti
+    ;; Write address of syscall handler.
+
+	mov rdx, [mp_system_call_handler]
+    shr rdx, 32
+	mov rcx, 0xC0000082
+    wrmsr
+
+    ;; Set segments of syscall handler.
+
+    xor rax, rax
+    mov rdx, 0x230008
+    mov rcx, 0xC0000081
+    wrmsr
+
+    mov ecx, 0xC0000080
+    rdmsr
+    or eax, 1
+    wrmsr
+
     jmp hal_real_init
     ret
 
 global hal_load_idt
 global hal_user_code_start
 
+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
+
 hal_load_idt:
     cli
     lidt [rcx]
-- 
cgit v1.2.3