Kernel: Improving AMD64 HAL, Add TIBInstall.asm, currently Working on

SMPManager and Bootloader.

Signed-off-by: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>

5 files changed, 41 insertions, 11 deletions

diff --git a/Private/HALKit/AMD64/DebugManager.asm b/Private/HALKit/AMD64/DebugManager.asm
index 6c0bf149..0c717039 100644
--- a/Private/HALKit/AMD64/DebugManager.asm
+++ b/Private/HALKit/AMD64/DebugManager.asm
@@ -8,7 +8,6 @@
 ;; */
 
 [global rt_debug_fence]
-[global rt_debug_fence_end]
 [global __rt_debug_int_3]
 
 ;; //////////////////////////////////////////////////// ;;
@@ -25,8 +24,10 @@ L0:
     jmp $
 
 rt_debug_fence:
-    push __rt_debug_record_table
+	mov [__rt_debug_record_table], rsi
+    push rsi
     jmp [rbx]
-rt_debug_fence_end:
+    pop rsi
+	ret
 
 ;; //////////////////////////////////////////////////// ;;
\ No newline at end of file
diff --git a/Private/HALKit/AMD64/HalPageAlloc.cpp b/Private/HALKit/AMD64/HalPageAlloc.cpp
index ccdfa8b6..07cfbecf 100644
--- a/Private/HALKit/AMD64/HalPageAlloc.cpp
+++ b/Private/HALKit/AMD64/HalPageAlloc.cpp
@@ -13,7 +13,7 @@
 
 // this files handles paging.
 
-static hCore::UIntPtr kPagePtr = 0x0900000;
+static hCore::UIntPtr kPagePtr = kPagePtrAddress;
 static hCore::SizeT kPageCnt = 0UL;
 
 namespace hCore
diff --git a/Private/HALKit/AMD64/HalPageAlloc.hpp b/Private/HALKit/AMD64/HalPageAlloc.hpp
index 4f5f8592..06a883bf 100644
--- a/Private/HALKit/AMD64/HalPageAlloc.hpp
+++ b/Private/HALKit/AMD64/HalPageAlloc.hpp
@@ -19,6 +19,8 @@
 #define PTE_ALIGN (4096)
 #endif //! PTE_ALIGN
 
+#define kPagePtrAddress 0x0900000
+
 extern "C" void flush_tlb(hCore::UIntPtr VirtualAddr);
 extern "C" void write_cr3(hCore::UIntPtr pde);
 extern "C" void write_cr0(hCore::UIntPtr bit);
diff --git a/Private/HALKit/AMD64/SMPCoreManager.asm b/Private/HALKit/AMD64/SMPCoreManager.asm
index a528f847..ed56d7db 100644
--- a/Private/HALKit/AMD64/SMPCoreManager.asm
+++ b/Private/HALKit/AMD64/SMPCoreManager.asm
@@ -1,16 +1,25 @@
+;; /*
+;; *	========================================================
+;; *
+;; *	hCore
+;; * 	Copyright 2024 Mahrouss Logic, all rights reserved.
+;; *
+;; * 	========================================================
+;; */
+
 [bits 64]
 
 [global rt_do_context_switch]
 [extern rt_debug_fence]
-[extern rt_debug_fence_end]
 
 rt_do_context_switch:
-    mov rsi, [rt_do_context_switch]
+    mov rsi, [rt_do_context_switch_unprotected]
     call rt_debug_fence
 
-    mov rsi, rdi
-    mov rax, rsi
-
-    call rt_debug_fence_end
+    iret
 
-    iret
\ No newline at end of file
+rt_do_context_switch_unprotected:
+	mov [rdi+0], rax
+	mov [rdi+8], rbx
+	mov [rdi+16], rcx
+	ret
\ No newline at end of file
diff --git a/Private/HALKit/AMD64/TIBInstall.asm b/Private/HALKit/AMD64/TIBInstall.asm
new file mode 100644
index 00000000..69aa7503
--- /dev/null
+++ b/Private/HALKit/AMD64/TIBInstall.asm
@@ -0,0 +1,18 @@
+;; /*
+;; *	========================================================
+;; *
+;; *	hCore
+;; * 	Copyright 2024 Mahrouss Logic, all rights reserved.
+;; *
+;; * 	========================================================
+;; */
+
+[bits 64]
+
+[global rt_install_tib]
+
+rt_install_tib:
+	mov rsi, gs
+	ret
+
+;; //////////////////////////////////////////////////// ;;
\ No newline at end of file