Merge branch 'unstable' into 'trunk'

HCoreKrnl:HAL: Work on interrupts for AMD64

See merge request mahrouss-logic/micro-kernel!8

5 files changed, 45 insertions, 10 deletions

diff --git a/Private/HALKit/AMD64/HalACPIManager.cpp b/Private/HALKit/AMD64/HalACPIManager.cpp
index 20cbd327..945ae6d8 100644
--- a/Private/HALKit/AMD64/HalACPIManager.cpp
+++ b/Private/HALKit/AMD64/HalACPIManager.cpp
@@ -10,7 +10,7 @@
 
 namespace HCore {
 ACPIManager::ACPIManager(voidPtr rsdPtr) : m_Rsdp(rsdPtr), m_Entries(0) {
-  RSDP *_rsdPtr = reinterpret_cast<RSDP *>(this->m_Rsdp);
+  volatile RSDP *_rsdPtr = reinterpret_cast<volatile RSDP *>(this->m_Rsdp);
 
   MUST_PASS(_rsdPtr);
   MUST_PASS(_rsdPtr->Revision >= 2);
@@ -19,6 +19,7 @@ ACPIManager::ACPIManager(voidPtr rsdPtr) : m_Rsdp(rsdPtr), m_Entries(0) {
 void ACPIManager::Shutdown() {}
 void ACPIManager::Reset() {}
 
+/// @brief Finds a descriptor table inside ACPI XSDT.
 ErrorOr<voidPtr> ACPIManager::Find(const char *signature) {
   MUST_PASS(m_Rsdp);
 
@@ -61,6 +62,8 @@ bool ACPIManager::Checksum(const char *checksum, SSizeT len) {
   return chr == 0;
 }
 
+/// Custom to the virtual machine, you'll need to parse the MADT instead.
+
 void rt_shutdown_acpi_qemu_20(void) { HAL::Out16(0xb004, 0x2000); }
 
 void rt_shutdown_acpi_qemu_30_plus(void) { HAL::Out16(0x604, 0x2000); }
diff --git a/Private/HALKit/AMD64/HalCoreInterruptHandlerAMD64.cpp b/Private/HALKit/AMD64/HalCoreInterruptHandlerAMD64.cpp
index 90c29ea3..5fe39225 100644
--- a/Private/HALKit/AMD64/HalCoreInterruptHandlerAMD64.cpp
+++ b/Private/HALKit/AMD64/HalCoreInterruptHandlerAMD64.cpp
@@ -14,13 +14,13 @@ EXTERN_C void idt_handle_gpf(HCore::UIntPtr rsp) {
   HCore::kcout << HCore::StringBuilder::FromInt("rsp{%}", rsp);
 
   HCore::kcout
-      << "General Protection Fault, caused by "
+      << "HCoreKrnl: General Protection Fault, caused by "
       << HCore::ProcessManager::Shared().Leak().GetCurrent().Leak().GetName();
 
   HCore::ProcessManager::Shared().Leak().GetCurrent().Leak().Crash();
 }
 
-extern "C" void idt_handle_scheduler(HCore::UIntPtr rsp) {
+EXTERN_C void idt_handle_scheduler(HCore::UIntPtr rsp) {
   HCore::kcout << HCore::StringBuilder::FromInt("rsp{%}", rsp);
 
   HCore::kcout
@@ -34,37 +34,37 @@ extern "C" void idt_handle_scheduler(HCore::UIntPtr rsp) {
   }
 }
 
-extern "C" void idt_handle_pf(HCore::UIntPtr rsp) {
+EXTERN_C void idt_handle_pf(HCore::UIntPtr rsp) {
   HCore::kcout << HCore::StringBuilder::FromInt("rsp{%}", rsp);
 
   MUST_PASS(HCore::ProcessManager::Shared().Leak().GetCurrent());
 
   HCore::kcout
-      << "Segmentation Fault, caused by "
+      << "HCoreKrnl: Segmentation Fault, caused by "
       << HCore::ProcessManager::Shared().Leak().GetCurrent().Leak().GetName();
 
   HCore::ProcessManager::Shared().Leak().GetCurrent().Leak().Crash();
 }
 
-extern "C" void idt_handle_math(HCore::UIntPtr rsp) {
+EXTERN_C void idt_handle_math(HCore::UIntPtr rsp) {
   HCore::kcout << HCore::StringBuilder::FromInt("rsp{%}", rsp);
 
   MUST_PASS(HCore::ProcessManager::Shared().Leak().GetCurrent());
 
   HCore::kcout
-      << "Math error, caused by "
+      << "HCoreKrnl: Math error, caused by "
       << HCore::ProcessManager::Shared().Leak().GetCurrent().Leak().GetName();
 
   HCore::ProcessManager::Shared().Leak().GetCurrent().Leak().Crash();
 }
 
-extern "C" void idt_handle_generic(HCore::UIntPtr rsp) {
+EXTERN_C void idt_handle_generic(HCore::UIntPtr rsp) {
   HCore::kcout << HCore::StringBuilder::FromInt("sp{%}", rsp);
 
   MUST_PASS(HCore::ProcessManager::Shared().Leak().GetCurrent());
 
   HCore::kcout
-      << "Execution error, caused by "
+      << "HCoreKrnl: Execution error, caused by "
       << HCore::ProcessManager::Shared().Leak().GetCurrent().Leak().GetName();
 
   HCore::ProcessManager::Shared().Leak().GetCurrent().Leak().Crash();
diff --git a/Private/HALKit/AMD64/HalCoreMultiProcessingAMD64.cpp b/Private/HALKit/AMD64/HalCoreMultiProcessingAMD64.cpp
index bf122415..fa68ef4a 100644
--- a/Private/HALKit/AMD64/HalCoreMultiProcessingAMD64.cpp
+++ b/Private/HALKit/AMD64/HalCoreMultiProcessingAMD64.cpp
@@ -11,6 +11,8 @@
 
 //! NOTE: fGSI stands 'Field Global System Interrupt'
 
+///////////////////////////////////////////////////////////////////////////////////////
+
 namespace HCore::HAL {
 constexpr Int32 kThreadAPIC = 0;
 constexpr Int32 kThreadLAPIC = 1;
diff --git a/Private/HALKit/AMD64/HalInterruptHandlerAMD64.cxx b/Private/HALKit/AMD64/HalInterruptHandlerAMD64.cxx
new file mode 100644
index 00000000..0f89d208
--- /dev/null
+++ b/Private/HALKit/AMD64/HalInterruptHandlerAMD64.cxx
@@ -0,0 +1,30 @@
+/* -------------------------------------------
+
+    Copyright Mahrouss Logic
+
+------------------------------------------- */
+
+//! @file InterruptHandler.cxx
+//! @brief x64 interrupt handler.
+
+#include <ArchKit/ArchKit.hpp>
+
+/// @brief Interrupt handler 21h, 10h 
+/// @param rsp stack pointer.
+
+#define kInterruptIdAlt 0x10
+#define kInterruptId    0x21
+
+EXTERN_C ATTRIBUTE(naked) HCore::UIntPtr rt_handle_interrupts(HCore::UIntPtr rsp)
+{
+    HCore::HAL::StackFramePtr stackPtr = reinterpret_cast<HCore::HAL::StackFramePtr>(rsp);
+    HCORE_UNUSED(stackPtr);
+
+    if (stackPtr->IntNum == kInterruptId ||
+        stackPtr->IntNum == kInterruptIdAlt) {
+        /// Do system call TODO
+        
+    }
+
+    return rsp;
+}
\ No newline at end of file
diff --git a/Private/HALKit/AMD64/Processor.hpp b/Private/HALKit/AMD64/Processor.hpp
index 93a9775a..e5e35f20 100644
--- a/Private/HALKit/AMD64/Processor.hpp
+++ b/Private/HALKit/AMD64/Processor.hpp
@@ -79,7 +79,7 @@ using interruptTrap = UIntPtr(UIntPtr sp);
 
 typedef UIntPtr Reg;
 
-struct PACKED StackFrame {
+struct PACKED StackFrame final {
     Reg IntNum, ErrCode;
     Reg Rdi, Rsi, Rbp, Rsp, Rbx, Rdx, Rcx, Rax;
     Reg R8, R9, R10, R11, R12, R13, R14, R15;