Daily bump.

Signed-off-by: Amlal <amlal@el-mahrouss-logic.com>

13 files changed, 134 insertions, 112 deletions

diff --git a/dev/ZKA/HALKit/AMD64/HalBMPMgr.cxx b/dev/ZKA/HALKit/AMD64/HalBMPMgr.cxx
index ab160648..c5f39eaa 100644
--- a/dev/ZKA/HALKit/AMD64/HalBMPMgr.cxx
+++ b/dev/ZKA/HALKit/AMD64/HalBMPMgr.cxx
@@ -46,17 +46,18 @@ namespace Kernel
 
 								kcout << "BMPMgr: Allocated pointer!\r";
 								kcout << "Magic Number: " << hex_number(ptr_bit_set[0]) << endl;
+								kcout << "Size of pointer (B): " << number(ptr_bit_set[1]) << endl;
 								kcout << "Size of pointer (KIB): " << number(KIB(ptr_bit_set[1])) << endl;
 								kcout << "Size of pointer (MIB): " << number(MIB(ptr_bit_set[1])) << endl;
 								kcout << "Size of pointer (GIB): " << number(GIB(ptr_bit_set[1])) << endl;
 								kcout << "Size of pointer (TIB): " << number(TIB(ptr_bit_set[1])) << endl;
-								kcout << "Address Of Header: " << hex_number((UIntPtr)ptr_bit_set) << endl;
+								kcout << "Address Of BMP: " << hex_number((UIntPtr)ptr_bit_set) << endl;
 
 								if (rw)
-									mm_update_pte(base_ptr, eFlagsRw);
+									mm_map_page(base_ptr, 0, eFlagsRw);
 
 								if (user)
-									mm_update_pte(base_ptr, eFlagsUser);
+									mm_map_page(base_ptr, 0, eFlagsRw | eFlagsUser);
 
 								return (VoidPtr)ptr_bit_set;
 							}
@@ -71,17 +72,18 @@ namespace Kernel
 
 							kcout << "BMPMgr: Allocated pointer!\r";
 							kcout << "Magic Number: " << hex_number(ptr_bit_set[0]) << endl;
+							kcout << "Size of pointer (B): " << number(ptr_bit_set[1]) << endl;
 							kcout << "Size of pointer (KIB): " << number(KIB(ptr_bit_set[1])) << endl;
 							kcout << "Size of pointer (MIB): " << number(MIB(ptr_bit_set[1])) << endl;
 							kcout << "Size of pointer (GIB): " << number(GIB(ptr_bit_set[1])) << endl;
 							kcout << "Size of pointer (TIB): " << number(TIB(ptr_bit_set[1])) << endl;
-							kcout << "Address Of Header: " << hex_number((UIntPtr)ptr_bit_set) << endl;
+							kcout << "Address Of BMP: " << hex_number((UIntPtr)ptr_bit_set) << endl;
 
 							if (rw)
-								mm_update_pte(base_ptr, eFlagsRw);
+								mm_map_page(base_ptr, 0, eFlagsRw);
 
 							if (user)
-								mm_update_pte(base_ptr, eFlagsUser);
+								mm_map_page(base_ptr, 0, eFlagsRw | eFlagsUser);
 
 							return (VoidPtr)ptr_bit_set;
 						}
diff --git a/dev/ZKA/HALKit/AMD64/HalControlRegister.s b/dev/ZKA/HALKit/AMD64/HalControlRegister.s
index 76053921..6fde8878 100644
--- a/dev/ZKA/HALKit/AMD64/HalControlRegister.s
+++ b/dev/ZKA/HALKit/AMD64/HalControlRegister.s
@@ -10,9 +10,14 @@
 .globl hal_read_cr3
 .globl hal_read_cr0
 .globl hal_flush_tlb
+.globl hal_invl_tlb
 
 .text
 
+hal_invl_tlb:
+    invlpg (%rcx)
+    ret
+
 hal_flush_tlb:
     call hal_read_cr3
     mov %rax, %rcx
diff --git a/dev/ZKA/HALKit/AMD64/HalCoreMPScheduler.cxx b/dev/ZKA/HALKit/AMD64/HalCoreMPScheduler.cxx
index 5f6c0552..a5bf07ec 100644
--- a/dev/ZKA/HALKit/AMD64/HalCoreMPScheduler.cxx
+++ b/dev/ZKA/HALKit/AMD64/HalCoreMPScheduler.cxx
@@ -134,31 +134,36 @@ namespace Kernel::HAL
 		Kernel::ke_dma_write(targetAddress, kAPIC_ICR_Low, kAPIC_EIPI_Vector | vector);
 	}
 
-	EXTERN_C Bool mp_register_process(HAL::StackFramePtr stack_frame);
+	EXTERN_C Bool mp_register_process(VoidPtr image, UInt8* stack_ptr, HAL::StackFramePtr stack_frame);
 
 	/// @brief Called when the AP is ready.
 	/// @internal
-	EXTERN_C Void hal_on_ap_startup(HAL::StackFramePtr stack_frame)
+	EXTERN_C Void hal_on_ap_startup(Void)
 	{
-		mp_register_process(stack_frame);
-		ke_stop(RUNTIME_CHECK_FAILED);
+		while (Yes)
+		{
+		}
 	}
 
 	struct PROCESS_CONTROL_BLOCK final
 	{
-		UserProcessPtr f_Process;
+		HAL::StackFramePtr f_Frame;
+		UInt8* f_Stack;
+		VoidPtr f_Image;
 	} fBlocks[kSchedProcessLimitPerTeam] = {0};
 
 	EXTERN_C HAL::StackFramePtr _hal_leak_current_context(Void)
 	{
-		return fBlocks[UserProcessScheduler::The().CurrentProcess().Leak().ProcessId % kSchedProcessLimitPerTeam].f_Process->StackFrame;
+		return fBlocks[UserProcessScheduler::The().CurrentProcess().Leak().ProcessId % kSchedProcessLimitPerTeam].f_Frame;
 	}
 
-	EXTERN_C Bool mp_register_process(HAL::StackFramePtr stack_frame)
+	EXTERN_C Bool mp_register_process(VoidPtr image, UInt8* stack_ptr, HAL::StackFramePtr stack_frame)
 	{
 		if (kSMPAware)
 		{
-			fBlocks[UserProcessScheduler::The().CurrentProcess().Leak().ProcessId % kSchedProcessLimitPerTeam].f_Process = &UserProcessScheduler::The().CurrentProcess().Leak();
+			fBlocks[UserProcessScheduler::The().CurrentProcess().Leak().ProcessId % kSchedProcessLimitPerTeam].f_Frame = stack_frame;
+			fBlocks[UserProcessScheduler::The().CurrentProcess().Leak().ProcessId % kSchedProcessLimitPerTeam].f_Stack = stack_ptr;
+			fBlocks[UserProcessScheduler::The().CurrentProcess().Leak().ProcessId % kSchedProcessLimitPerTeam].f_Image = image;
 
 			return Yes;
 		}
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]
diff --git a/dev/ZKA/HALKit/AMD64/HalMPContextSwitch.asm b/dev/ZKA/HALKit/AMD64/HalMPContextSwitch.asm
index 2a6be79a..4403263a 100644
--- a/dev/ZKA/HALKit/AMD64/HalMPContextSwitch.asm
+++ b/dev/ZKA/HALKit/AMD64/HalMPContextSwitch.asm
@@ -21,66 +21,21 @@ section .text
 ;; rcx: code ptr.
 ;; rdx: stack ptr.
 mp_do_context_switch:
-    call mp_pre_switch
-
-    mov ax, 0x18
+    mov ax, 0x18 | 3
     mov ds, ax
     mov es, ax
-    mov fs, ax
     mov gs, ax
+    mov fs, ax
 
-    mov rsp, rdx
+    push 0x18 | 3
+    push rdx
+    push 0x200
+    push 0x20 | 3
+    push rcx
 
-	mov r11, 0x202
-	o64 sysret
+    o64 iret
 
 ;; @brief Gets the current stack frame.
 mp_get_current_context:
     call _hal_leak_current_context
     ret
-
-extern hal_system_call_enter
-global mp_system_call_handler
-
-mp_pre_switch:
-	mov rcx, 0xc0000082
-	wrmsr
-	mov rcx, 0xc0000080
-	rdmsr
-	or eax, 1
-	wrmsr
-	mov rcx, 0xc0000081
-	rdmsr
-	mov edx, 0x00180008
-	wrmsr
-
-	mov rdx, [mp_system_call_handler]
-    shr rdx, 32
-	mov rcx, 0xc0000082
-    wrmsr
-
-    ret
-
-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
diff --git a/dev/ZKA/HALKit/AMD64/HalPageAlloc.hxx b/dev/ZKA/HALKit/AMD64/HalPageAlloc.hxx
index 8eb85e78..b0d444d9 100644
--- a/dev/ZKA/HALKit/AMD64/HalPageAlloc.hxx
+++ b/dev/ZKA/HALKit/AMD64/HalPageAlloc.hxx
@@ -31,7 +31,8 @@
 #endif // !kAlign
 
 EXTERN_C void hal_flush_tlb();
-EXTERN_C void hal_write_cr3(Kernel::UIntPtr phys_addr);
+EXTERN_C void hal_invl_tlb(Kernel::UIntPtr addr);
+EXTERN_C void hal_write_cr3(Kernel::UIntPtr pml4);
 EXTERN_C void hal_write_cr0(Kernel::UIntPtr bit);
 
 EXTERN_C Kernel::VoidPtr hal_read_cr0(); // @brief CPU control register.
@@ -82,7 +83,7 @@ namespace Kernel::HAL
 		}
 	} // namespace Detail
 
-	struct ZKA_PDE final
+	struct ALIGN(0x08) ZKA_PDE final
 	{
 		ZKA_PTE ALIGN(kPTEAlign) Pte[kPTEMax];
 	};
diff --git a/dev/ZKA/HALKit/AMD64/HalProcessor.cxx b/dev/ZKA/HALKit/AMD64/HalProcessor.cxx
index 3c34ab68..dd9afd47 100644
--- a/dev/ZKA/HALKit/AMD64/HalProcessor.cxx
+++ b/dev/ZKA/HALKit/AMD64/HalProcessor.cxx
@@ -16,46 +16,41 @@
 
 namespace Kernel::HAL
 {
-	EXTERN_C Int32 mm_update_pte(VoidPtr virt_addr, UInt32 flags)
+	/// @brief Set a PTE from pd_base.
+	/// @param virt_addr a valid virtual address.
+	/// @param phys_addr point to physical address.
+	/// @param flags the flags to put on the page.
+	/// @return Status code of page manip.
+	EXTERN_C Int32 mm_map_page(VoidPtr virt_addr, VoidPtr phys_addr, UInt32 flags)
 	{
 		VoidPtr pml4_base = hal_read_cr3();
 
-		UIntPtr pml4_idx = ((UIntPtr)virt_addr >> 39) & 0x1FFF;
-		UIntPtr pdpt_idx = ((UIntPtr)virt_addr >> 30) & 0x1FFF;
-		UIntPtr pd_idx	 = ((UIntPtr)virt_addr >> 21) & 0x1FFF;
-		UIntPtr pte_idx	 = ((UIntPtr)virt_addr >> 12) & 0x1FFF;
+		UIntPtr pd_idx	 = ((UIntPtr)virt_addr >> 22);
+		UIntPtr pte_idx	 = ((UIntPtr)virt_addr >> 12) & 0x3FFF;
+		// Now PD
+		volatile UInt64* pd_entry = (volatile UInt64*)(((UInt64)pml4_base) + pd_idx * sizeof(UIntPtr));
 
-		// Access PML4 entry
-		volatile UInt64* pml4_entry = (volatile UInt64*)(((UInt64)pml4_base) + pml4_idx * sizeof(UIntPtr));
-		UInt64			 pdpt_base	= *pml4_entry & ~0xFFF; // Remove flags (assuming 4KB pages)
+		kcout << (*pd_entry & 0x01 ? "PageDir present." : "PageDir not present") << endl;
 
-		// Access PDPT entry
-		volatile UInt64* pdpt_entry = (volatile UInt64*)(((UInt64)pdpt_base) + pdpt_idx * sizeof(UIntPtr));
-		UInt64			 pd_base	= *pdpt_entry & ~0xFFF; // Remove flags
+		if ((*pd_entry & 0x01) == 0)
+		{
+			*pd_entry |= 0x01;
+		}
 
-		// Now PD
-		volatile UInt64* pd_entry = (volatile UInt64*)(((UInt64)pd_base) + pd_idx * sizeof(UIntPtr));
 		UInt64			 pt_base  = *pd_entry & ~0xFFF; // Remove flags
 
 		// And then PTE
-		volatile UInt64* page_addr = (volatile UInt64*)(((UInt64)pt_base) + (pte_idx * sizeof(UIntPtr)));
-
-		if (flags & eFlagsPresent)
-			*page_addr |= 0x01; // present bit
-		else if (flags & ~eFlagsPresent)
-			*page_addr &= 0x01; // present bit
+		volatile UIntPtr* page_addr = (volatile UIntPtr*)(((UInt64)pt_base) + (pte_idx * sizeof(UIntPtr)));
 
-		if (flags & eFlagsRw)
-			*page_addr |= 0x02;
-		else if (flags & ~eFlagsRw)
-			*page_addr &= 0x02; // present bit
+		kcout << (*page_addr & 0x01 ? "Page present." : "Page not present") << endl;
+		kcout << (*page_addr & 0x04 ? "User bit present." : "User bit not present") << endl;
 
-		if (flags & eFlagsUser)
-			*page_addr |= 0x04;
-		else if (flags & ~eFlagsUser)
-			*page_addr &= 0x04; // present bit
+		if (phys_addr == nullptr)
+		{
+			phys_addr = (VoidPtr)((*page_addr & ~0xFFF) + ((UIntPtr)virt_addr & 0xFFF));
+		}
 
-		hal_write_cr3((UIntPtr)pml4_base);
+		(*page_addr) = ((UIntPtr)phys_addr) | (flags & 0xFFF) | 0x01;
 
 		return 0;
 	}
diff --git a/dev/ZKA/HALKit/AMD64/HalSchedulerCore.cxx b/dev/ZKA/HALKit/AMD64/HalSchedulerCore.cxx
index cef5d368..89982cbc 100644
--- a/dev/ZKA/HALKit/AMD64/HalSchedulerCore.cxx
+++ b/dev/ZKA/HALKit/AMD64/HalSchedulerCore.cxx
@@ -14,8 +14,7 @@ Void UserProcess::SetImageStart(VoidPtr imageStart) noexcept
 	if (imageStart == nullptr)
 		this->Crash();
 
-	HAL::mm_update_pte(imageStart, HAL::eFlagsPresent);
-	HAL::mm_update_pte(imageStart, HAL::eFlagsUser);
+	HAL::mm_map_page(imageStart, 0, HAL::eFlagsUser);
 
 	this->Image = imageStart;
 }
diff --git a/dev/ZKA/HALKit/AMD64/Processor.hxx b/dev/ZKA/HALKit/AMD64/Processor.hxx
index fd3e7b0a..289d6f45 100644
--- a/dev/ZKA/HALKit/AMD64/Processor.hxx
+++ b/dev/ZKA/HALKit/AMD64/Processor.hxx
@@ -61,10 +61,12 @@ namespace Kernel::HAL
 		eFlagsCount	  = 0x3,
 	};
 
-	/// @brief Updates a PTE from pd_base.
+	/// @brief Set a PTE from pd_base.
 	/// @param virt_addr a valid virtual address.
+	/// @param phys_addr point to physical address.
 	/// @param flags the flags to put on the page.
-	EXTERN_C Int32 mm_update_pte(VoidPtr virt_addr, UInt32 flags);
+	/// @return Status code of page manip.
+	EXTERN_C Int32 mm_map_page(VoidPtr virt_addr, VoidPtr phys_addr, UInt32 flags);
 
 	EXTERN_C UChar	In8(UInt16 port);
 	EXTERN_C UShort In16(UInt16 port);
diff --git a/dev/ZKA/Sources/CodeMgr.cxx b/dev/ZKA/Sources/CodeMgr.cxx
index ae4cb00b..8e560408 100644
--- a/dev/ZKA/Sources/CodeMgr.cxx
+++ b/dev/ZKA/Sources/CodeMgr.cxx
@@ -25,6 +25,7 @@ namespace Kernel
 		proc.Kind	   = UserProcess::kExeKind;
 		proc.StackSize = mib_cast(4);
 
+		rt_set_memory(proc.Name, 0, kProcessLen);
 		rt_copy_memory((VoidPtr)process_name, proc.Name, rt_string_len(process_name));
 
 		return UserProcessScheduler::The().Add(proc) > 0;
diff --git a/dev/ZKA/Sources/ExeMain.cxx b/dev/ZKA/Sources/ExeMain.cxx
index 036c5725..4497d5b3 100644
--- a/dev/ZKA/Sources/ExeMain.cxx
+++ b/dev/ZKA/Sources/ExeMain.cxx
@@ -112,11 +112,13 @@ namespace Kernel::Detail
 
 EXTERN_C ATTRIBUTE(naked) Kernel::Void HangCPU(Kernel::Void)
 {
-	while (Yes)
-	{
-		Kernel::Char* p = nullptr;
-		*p				= 4;
-	}
+    asm volatile(
+        ".intel_syntax;"
+        "start:"
+        "syscall;"
+        "jmp start;"
+        ".att_syntax;"
+        );
 }
 
 namespace Kernel
diff --git a/dev/ZKA/Sources/HardwareThreadScheduler.cxx b/dev/ZKA/Sources/HardwareThreadScheduler.cxx
index cbe0cc46..5b310fca 100644
--- a/dev/ZKA/Sources/HardwareThreadScheduler.cxx
+++ b/dev/ZKA/Sources/HardwareThreadScheduler.cxx
@@ -79,7 +79,7 @@ namespace Kernel
 	/// @note Those symbols are needed in order to switch and validate the stack.
 
 	EXTERN Bool	  hal_check_stack(HAL::StackFramePtr stackPtr);
-	EXTERN_C Bool mp_register_process(HAL::StackFramePtr stackPtr);
+	EXTERN_C Bool mp_register_process(VoidPtr image, UInt8* stack_ptr, HAL::StackFramePtr frame_ptr);
 
 	/// @brief Switch to hardware thread.
 	/// @param stack the new hardware thread.
@@ -99,8 +99,10 @@ namespace Kernel
 			if (this->IsBusy())
 				return false;
 
+			kcout << "Switching to the Process's HW thread...\r";
+
 			this->Busy(true);
-			Bool ret = mp_register_process(fStack);
+			Bool ret = mp_register_process(image, stack_ptr, fStack);
 			this->Busy(false);
 
 			return ret;
diff --git a/dev/ZKA/Sources/PEFCodeMgr.cxx b/dev/ZKA/Sources/PEFCodeMgr.cxx
index 23dfae31..b6f7e3da 100644
--- a/dev/ZKA/Sources/PEFCodeMgr.cxx
+++ b/dev/ZKA/Sources/PEFCodeMgr.cxx
@@ -15,6 +15,7 @@
 
 /// @brief PEF stack size symbol.
 #define cPefStackSizeSymbol "SizeOfReserveStack"
+#define cPefNameSymbol		"ProgramName"
 
 namespace Kernel
 {
@@ -164,11 +165,10 @@ namespace Kernel
 
 					Char* blobRet = new Char[container_header->Size];
 
-					HAL::mm_update_pte(blobRet, HAL::eFlagsPresent);
-					HAL::mm_update_pte(blobRet, HAL::eFlagsUser);
-
 					if (container_header->Kind != kPefCode)
-						HAL::mm_update_pte(blobRet, HAL::eFlagsRw);
+						HAL::mm_map_page(blobRet, 0, HAL::eFlagsRw | HAL::eFlagsUser);
+					else
+						HAL::mm_map_page(blobRet, 0, HAL::eFlagsUser);
 
 					rt_copy_memory((VoidPtr)((Char*)blob + sizeof(PEFCommandHeader)), blobRet, container_header->Size);
 
@@ -214,6 +214,13 @@ namespace Kernel
 			proc.Kind	   = procKind;
 			proc.StackSize = *(UIntPtr*)exec.FindSymbol(cPefStackSizeSymbol, kPefData);
 
+			rt_set_memory(proc.Name, 0, kProcessLen);
+
+			if (exec.FindSymbol(cPefNameSymbol, kPefData))
+				rt_copy_memory((VoidPtr)exec.FindSymbol(cPefNameSymbol, kPefData), proc.Name, rt_string_len((Char*)exec.FindSymbol(cPefNameSymbol, kPefData)));
+			else
+				rt_copy_memory((VoidPtr) "UNNAMED PROCESS.", proc.Name, rt_string_len("UNNAMED PROCESS."));
+
 			if (!proc.StackSize)
 			{
 				const auto cDefaultStackSizeMib = 8;