From 89a0b8efb6491b93a8a373ad36c0a3872cd2ed44 Mon Sep 17 00:00:00 2001
From: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>
Date: Sat, 9 Nov 2024 20:45:52 +0100
Subject: IMP: PosixKit, to communicate with pureDarwin correctly. IMP:
 Breakpoint interrupt has been implemented. IMP: Interrupts handlers have been
 improved for AMD64 HAL.

---
 dev/ZKAKit/HALKit/AMD64/HalInterruptAPI.asm | 31 +++++++++++++++++++++++++++--
 1 file changed, 29 insertions(+), 2 deletions(-)

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

diff --git a/dev/ZKAKit/HALKit/AMD64/HalInterruptAPI.asm b/dev/ZKAKit/HALKit/AMD64/HalInterruptAPI.asm
index 9121edb9..293dafde 100644
--- a/dev/ZKAKit/HALKit/AMD64/HalInterruptAPI.asm
+++ b/dev/ZKAKit/HALKit/AMD64/HalInterruptAPI.asm
@@ -50,15 +50,42 @@ extern idt_handle_pf
 extern ke_io_write
 extern idt_handle_ud
 extern idt_handle_generic
+extern idt_handle_breakpoint
 
 section .text
 
 IntNormal 0
 IntNormal 1
-
 IntNormal 2
 
-IntNormal 3
+section .data
+
+__ZKA_INT_3_GET_RIP:
+    dq 0
+__ZKA_INT_3_GET_RIP_END:
+
+section .text
+
+;; @brief Triggers a breakpoint and freeze the process. RIP is also fetched.
+__ZKA_INT_3:
+    cli
+
+    mov al, 0x20
+    out 0x20, al
+    out 0xA0, al
+
+    push rax
+    mov rax, idt_handle_breakpoint
+
+    lea rcx, [rel __ZKA_INT_3_GET_RIP]
+    mov [rcx], rcx
+
+    call rax
+    pop rax
+
+    sti
+    o64 iret
+
 IntNormal 4
 IntNormal 5
 
-- 
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