kernel: add newstd.hxx and new syscalls.

includes:

- Exit program with code.
- Last exit code.

acpi: fix invalid C cast.

Signed-off-by: Amlal EL Mahrouss <amlalelmahrouss@icloud.com>

5 files changed, 59 insertions, 24 deletions

diff --git a/Kernel/ArchKit/ArchKit.hpp b/Kernel/ArchKit/ArchKit.hpp
index c889c93c..ba2a1903 100644
--- a/Kernel/ArchKit/ArchKit.hpp
+++ b/Kernel/ArchKit/ArchKit.hpp
@@ -17,7 +17,7 @@
 #elif defined(__NEWOS_PPC__)
 #include <HALKit/POWER/Processor.hpp>
 #else
-#error Unknown architecture
+#error !!! unknown architecture !!!
 #endif
 
 namespace NewOS
diff --git a/Kernel/HALKit/AMD64/HalACPIFactoryInterface.cxx b/Kernel/HALKit/AMD64/HalACPIFactoryInterface.cxx
index c9b1cb1f..213be057 100644
--- a/Kernel/HALKit/AMD64/HalACPIFactoryInterface.cxx
+++ b/Kernel/HALKit/AMD64/HalACPIFactoryInterface.cxx
@@ -77,10 +77,13 @@ namespace NewOS
 		if (rsdPtr->Revision <= 1)
 			return ErrorOr<voidPtr>{-1};
 
-		RSDT* xsdt = (RSDT*)(rsdPtr->RsdtAddress);
+		RSDT* xsdt = reinterpret_cast<RSDT*>(rsdPtr->RsdtAddress);
 
 		Int64 num = (xsdt->Length - sizeof(SDT)) / sizeof(UInt32);
 
+		/***
+			crucial to avoid - overflows.
+			*/
 		if (num < 1)
 		{
 			/// stop here, we should have entries...
@@ -99,7 +102,7 @@ namespace NewOS
 
 		for (Size index = 0; index < this->fEntries; ++index)
 		{
-			SDT& sdt = *(SDT*)xsdt->AddressArr[index];
+			SDT& sdt = *reinterpret_cast<SDT*>(xsdt->AddressArr[index]);
 
 			kcout << "ACPI: Revision: " << number(sdt.CreatorID) << endl;
 
diff --git a/Kernel/HALKit/AMD64/HalKernelMain.cxx b/Kernel/HALKit/AMD64/HalKernelMain.cxx
index 8c4a05dc..8efe94b7 100644
--- a/Kernel/HALKit/AMD64/HalKernelMain.cxx
+++ b/Kernel/HALKit/AMD64/HalKernelMain.cxx
@@ -21,6 +21,26 @@ EXTERN_C void KeMain();
 
 EXTERN_C NewOS::VoidPtr kInterruptVectorTable[];
 
+struct PACKED HeapAllocInfo final
+{
+	NewOS::VoidPtr fThe;
+	NewOS::Size    fTheSz;
+};
+
+struct PACKED ProcessBlockInfo final
+{
+	ThreadInformationBlock* fTIB;
+	ThreadInformationBlock* fPIB;
+};
+
+struct PACKED ProcessExitInfo final
+{
+	STATIC constexpr auto cReasonLen = 512;
+
+	NewOS::Int64 fCode;
+	NewOS::Char  fReason[cReasonLen];
+};
+
 namespace NewOS::HAL
 {
 	/// @brief Gets the system cores using the MADT.
@@ -74,14 +94,24 @@ EXTERN_C void hal_init_platform(
 	NewOS::HAL::IDTLoader idt;
 	idt.Load(idtBase);
 
-	/* install basic syscalls. */
-
+	/**
+		register basic syscalls. 
+	*/
+	
 	constexpr auto cSerialWriteInterrupt = 0x10; // 16
 	constexpr auto cTlsInterrupt = 0x11; // 17
 	constexpr auto cTlsInstallInterrupt = 0x12; // 18
 	constexpr auto cNewInterrupt = 0x13; // 19
 	constexpr auto cDeleteInterrupt = 0x14; // 20
-
+	constexpr auto cExitInterrupt = 0x15;
+	constexpr auto cLastExitInterrupt = 0x16;
+	constexpr auto cCatalogOpen = 0x17;
+	constexpr auto cForkRead = 0x18;
+	constexpr auto cForkWrite = 0x19;
+	constexpr auto cCatalogClose = 0x20;
+	constexpr auto cCatalogRemove = 0x21;
+	constexpr auto cCatalogCreate = 0x22;
+	
 	kSyscalls[cSerialWriteInterrupt].Leak().Leak()->fProc = [](NewOS::VoidPtr rdx) -> void {
 		const char* msg = (const char*)rdx;
 		NewOS::kcout << "newoskrnl: " << msg << "\r";
@@ -91,20 +121,7 @@ EXTERN_C void hal_init_platform(
 		tls_check_syscall_impl(rdx);
 	};
 
-	struct PACKED HeapAllocInfo final
-	{
-		NewOS::VoidPtr fThe;
-		NewOS::Size    fTheSz;
-	};
-
-	struct PACKED ProcessBlockInfo final
-	{
-		ThreadInformationBlock* fTIB;
-		ThreadInformationBlock* fPIB;
-	};
-
 	kSyscalls[cNewInterrupt].Leak().Leak()->fProc = [](NewOS::VoidPtr rdx)->void {
-
 		/// get HAC struct.
 		HeapAllocInfo* rdxInf = reinterpret_cast<HeapAllocInfo*>(rdx);
 		
@@ -126,17 +143,32 @@ EXTERN_C void hal_init_platform(
 		/// install the process's fTIB and fPIB.
 		rt_install_tib(rdxPb->fTIB, rdxPb->fPIB);
 	};
+		
+	kSyscalls[cExitInterrupt].Leak().Leak()->fProc = [](NewOS::VoidPtr rdx)->void {
+		ProcessExitInfo* rdxEi = reinterpret_cast<ProcessExitInfo*>(rdx);
+
+		NewOS::kcout << "newoskrnl: " << rdxEi->fReason << "\r";
+		NewOS::ProcessScheduler::The().Leak().TheCurrent().Leak().Exit(rdxEi->fCode);
+	};
+
+	kSyscalls[cLastExitInterrupt].Leak().Leak()->fProc = [](NewOS::VoidPtr rdx)->void {
+		ProcessExitInfo* rdxEi = reinterpret_cast<ProcessExitInfo*>(rdx);
+		rdxEi->fCode = NewOS::rt_get_exit_code();
+	};
 
 	kSyscalls[cSerialWriteInterrupt].Leak().Leak()->fHooked = true;
 	kSyscalls[cTlsInterrupt].Leak().Leak()->fHooked = true;
 	kSyscalls[cTlsInstallInterrupt].Leak().Leak()->fHooked = true;
 	kSyscalls[cDeleteInterrupt].Leak().Leak()->fHooked = true;
 	kSyscalls[cNewInterrupt].Leak().Leak()->fHooked = true;
+	kSyscalls[cExitInterrupt].Leak().Leak()->fHooked = true;
+	kSyscalls[cLastExitInterrupt].Leak().Leak()->fHooked = true;
 
 	NewOS::HAL::Detail::_ke_power_on_self_test();
 
-	/* Call generic kernel entrypoint. */
-
+	/**
+		call kernel entrypoint. 
+	*/
 	KeMain();
 
 	NewOS::ke_stop(RUNTIME_CHECK_BOOTSTRAP);
diff --git a/Kernel/HALKit/AMD64/Storage/ATA-DMA.cxx b/Kernel/HALKit/AMD64/Storage/ATA-DMA.cxx
index fea103dd..4e41e3ce 100644
--- a/Kernel/HALKit/AMD64/Storage/ATA-DMA.cxx
+++ b/Kernel/HALKit/AMD64/Storage/ATA-DMA.cxx
@@ -28,11 +28,11 @@ STATIC PRDT	   kPRDT;
 #ifdef __ATA_DMA__
 
 #ifdef __ATA_PIO__
-#error You cant have both PIO and DMA enabled!
+#error !!! You cant have both PIO and DMA enabled! !!! 
 #endif /* ifdef __ATA_PIO__ */
 
 #ifdef __AHCI__
-#error You cant have both ATA and AHCI enabled!
+#error !!! You cant have both ATA and AHCI enabled! !!! 
 #endif /* ifdef __AHCI__ */
 
 #endif /* ifdef __ATA_DMA__ */
diff --git a/Kernel/NewKit/Defines.hpp b/Kernel/NewKit/Defines.hpp
index 3210f1ef..00fb5df9 100644
--- a/Kernel/NewKit/Defines.hpp
+++ b/Kernel/NewKit/Defines.hpp
@@ -17,7 +17,7 @@
 #ifdef __has_feature
 #if !__has_feature(cxx_nullptr)
 #if !__has_nullptr
-#error You must at least have nullptr featured on your C++ compiler.
+#error !!! You must at least have nullptr featured on your C++ compiler. !!!
 #endif
 #endif
 #endif