IMPL: New I/O functions from assembly, still working on #8 issue.

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

9 files changed, 80 insertions, 20 deletions

diff --git a/dev/ZKAKit/HALKit/AMD64/HalCPUAMD64.cc b/dev/ZKAKit/HALKit/AMD64/HalCPUAMD64.cc
index 275f630d..52ba46aa 100644
--- a/dev/ZKAKit/HALKit/AMD64/HalCPUAMD64.cc
+++ b/dev/ZKAKit/HALKit/AMD64/HalCPUAMD64.cc
@@ -17,7 +17,7 @@
 
 namespace Kernel::HAL
 {
-	Void rt_out8(UInt16 port, UInt8 value)
+	Void lrt_out8(UInt16 port, UInt8 value)
 	{
 		asm volatile("outb %%al, %1"
 					 :
@@ -25,7 +25,7 @@ namespace Kernel::HAL
 					 : "memory");
 	}
 
-	Void rt_out16(UInt16 port, UInt16 value)
+	Void lrt_out16(UInt16 port, UInt16 value)
 	{
 		asm volatile("outw %%ax, %1"
 					 :
@@ -33,7 +33,7 @@ namespace Kernel::HAL
 					 : "memory");
 	}
 
-	Void rt_out32(UInt16 port, UInt32 value)
+	Void lrt_out32(UInt16 port, UInt32 value)
 	{
 		asm volatile("outl %%eax, %1"
 					 :
@@ -41,7 +41,7 @@ namespace Kernel::HAL
 					 : "memory");
 	}
 
-	UInt8 rt_in8(UInt16 port)
+	UInt8 lrt_in8(UInt16 port)
 	{
 		UInt8 value = 0UL;
 		asm volatile("inb %1, %%al"
@@ -52,7 +52,7 @@ namespace Kernel::HAL
 		return value;
 	}
 
-	UInt16 rt_in16(UInt16 port)
+	UInt16 lrt_in16(UInt16 port)
 	{
 		UInt16 value = 0UL;
 		asm volatile("inw %1, %%ax"
@@ -63,7 +63,7 @@ namespace Kernel::HAL
 		return value;
 	}
 
-	UInt32 rt_in32(UInt16 port)
+	UInt32 lrt_in32(UInt16 port)
 	{
 		UInt32 value = 0UL;
 		asm volatile("inl %1, %%eax"
diff --git a/dev/ZKAKit/HALKit/AMD64/HalCommonAPI.asm b/dev/ZKAKit/HALKit/AMD64/HalCommonAPI.asm
index 77931d0e..6e463e98 100644
--- a/dev/ZKAKit/HALKit/AMD64/HalCommonAPI.asm
+++ b/dev/ZKAKit/HALKit/AMD64/HalCommonAPI.asm
@@ -7,4 +7,47 @@
 ;; * 	========================================================
 ;; */
 
-section .text
\ No newline at end of file
+section .text
+
+extern rt_wait_400ns
+
+global rt_out8
+global rt_out16
+global rt_out32
+
+global rt_in8
+global rt_in16
+global rt_in32
+
+rt_out8:
+    mov al, dl
+    mov dx, cx
+    out dx, al
+    ret
+
+rt_out16:
+    mov ax, dx
+    mov dx, cx
+    out dx, ax
+    ret
+
+rt_out32:
+    mov eax, edx
+    mov edx, ecx
+    out dx, eax
+    ret
+
+rt_in8:
+    mov dx, cx
+    in al, dx
+    ret
+
+rt_in16:
+    mov edx, ecx
+    in ax, dx
+    ret
+
+rt_in32:
+    mov rdx, rcx
+    in eax, dx
+    ret
diff --git a/dev/ZKAKit/HALKit/AMD64/HalCoreInterruptHandlerAMD64.cc b/dev/ZKAKit/HALKit/AMD64/HalCoreInterruptHandlerAMD64.cc
index e40ef071..aaf80c9a 100644
--- a/dev/ZKAKit/HALKit/AMD64/HalCoreInterruptHandlerAMD64.cc
+++ b/dev/ZKAKit/HALKit/AMD64/HalCoreInterruptHandlerAMD64.cc
@@ -17,6 +17,9 @@ EXTERN_C void idt_handle_gpf(Kernel::UIntPtr rsp)
 
 	auto process = Kernel::UserProcessScheduler::The().GetCurrentProcess();
 
+	if (!process)
+		Kernel::ke_stop(RUNTIME_CHECK_PAGE);
+
 	process.Leak().ProcessSignal.SignalIP		= 0UL;
 	process.Leak().ProcessSignal.SignalID		= SIGKILL;
 	process.Leak().ProcessSignal.PreviousStatus = process.Leak().Status;
@@ -35,11 +38,13 @@ EXTERN_C void idt_handle_gpf(Kernel::UIntPtr rsp)
 EXTERN_C void idt_handle_pf(Kernel::UIntPtr rsp)
 {
 	kcout << "Kernel: Page Fault.\r";
-
 	kcout << "Kernel: SIGKILL set.\r";
 
 	auto process = Kernel::UserProcessScheduler::The().GetCurrentProcess();
 
+	if (!process)
+		Kernel::ke_stop(RUNTIME_CHECK_PAGE);
+
 	process.Leak().ProcessSignal.SignalIP		= 0UL;
 	process.Leak().ProcessSignal.SignalID		= SIGKILL;
 	process.Leak().ProcessSignal.PreviousStatus = process.Leak().Status;
@@ -68,7 +73,7 @@ EXTERN_C void idt_handle_scheduler(Kernel::UIntPtr rsp)
 	}
 
 	try_count_before_brute = 100000UL;
-	is_scheduling = YES;
+	is_scheduling		   = YES;
 
 	kcout << "Kernel: Timer IRQ (Scheduler Notification).\r";
 	Kernel::UserProcessHelper::StartScheduling();
@@ -84,6 +89,9 @@ EXTERN_C void idt_handle_math(Kernel::UIntPtr rsp)
 
 	auto process = Kernel::UserProcessScheduler::The().GetCurrentProcess();
 
+	if (!process)
+		Kernel::ke_stop(RUNTIME_CHECK_PAGE);
+
 	process.Leak().ProcessSignal.SignalIP		= 0UL;
 	process.Leak().ProcessSignal.SignalID		= SIGKILL;
 	process.Leak().ProcessSignal.PreviousStatus = process.Leak().Status;
@@ -105,6 +113,9 @@ EXTERN_C void idt_handle_generic(Kernel::UIntPtr rsp)
 
 	auto process = Kernel::UserProcessScheduler::The().GetCurrentProcess();
 
+	if (!process)
+		Kernel::ke_stop(RUNTIME_CHECK_PAGE);
+
 	process.Leak().ProcessSignal.SignalIP		= 0UL;
 	process.Leak().ProcessSignal.SignalID		= SIGKILL;
 	process.Leak().ProcessSignal.PreviousStatus = process.Leak().Status;
@@ -122,13 +133,15 @@ EXTERN_C Kernel::Void idt_handle_breakpoint(Kernel::UIntPtr rip)
 {
 	auto process = Kernel::UserProcessScheduler::The().GetCurrentProcess();
 
-	kcout << "Kernel: Process RIP: " << Kernel::hex_number(rip) << endl;
-	kcout << "Kernel: Process Name: " << process.Leak().Name << endl;
+	if (!process)
+		Kernel::ke_stop(RUNTIME_CHECK_PAGE);
 
+	kcout << "Kernel: Process RIP: " << Kernel::hex_number(rip) << endl;
 	kcout << "Kernel: SIGTRAP set.\r";
 
-	process.Leak().ProcessSignal.SignalIP		= rip;
-	process.Leak().ProcessSignal.SignalID		= SIGTRAP;
+	process.Leak().ProcessSignal.SignalIP = rip;
+	process.Leak().ProcessSignal.SignalID = SIGTRAP;
+
 	process.Leak().ProcessSignal.PreviousStatus = process.Leak().Status;
 
 	kcout << "Kernel: PRCFROZE status set..\r";
@@ -144,6 +157,9 @@ EXTERN_C void idt_handle_ud(Kernel::UIntPtr rsp)
 
 	auto process = Kernel::UserProcessScheduler::The().GetCurrentProcess();
 
+	if (!process)
+		Kernel::ke_stop(RUNTIME_CHECK_PAGE);
+
 	process.Leak().ProcessSignal.SignalIP		= 0UL;
 	process.Leak().ProcessSignal.SignalID		= SIGKILL;
 	process.Leak().ProcessSignal.PreviousStatus = process.Leak().Status;
diff --git a/dev/ZKAKit/HALKit/AMD64/HalInterruptAPI.asm b/dev/ZKAKit/HALKit/AMD64/HalInterruptAPI.asm
index 66dd34f0..7aafa079 100644
--- a/dev/ZKAKit/HALKit/AMD64/HalInterruptAPI.asm
+++ b/dev/ZKAKit/HALKit/AMD64/HalInterruptAPI.asm
@@ -202,8 +202,7 @@ __ZKA_INT_32:
 
     push rax
     mov rcx, rsp
-    mov rax, idt_handle_scheduler
-    call rax
+    call idt_handle_scheduler
     pop rax
 
     sti
diff --git a/dev/ZKAKit/HALKit/AMD64/HalKernelMain.cc b/dev/ZKAKit/HALKit/AMD64/HalKernelMain.cc
index 3cff28d2..47a38ca1 100644
--- a/dev/ZKAKit/HALKit/AMD64/HalKernelMain.cc
+++ b/dev/ZKAKit/HALKit/AMD64/HalKernelMain.cc
@@ -83,7 +83,7 @@ EXTERN_C void hal_init_platform(
 
 EXTERN_C Kernel::Void hal_real_init(Kernel::Void) noexcept
 {
-    Kernel::rtl_create_process(ke_dll_entrypoint, "Kernel System");
+	Kernel::rtl_create_process(ke_dll_entrypoint, "Kernel System");
 
 	/* Initialize filesystem. */
 	Kernel::NeFileSystemMgr::Mount(new Kernel::NeFileSystemMgr());
diff --git a/dev/ZKAKit/HALKit/AMD64/HalRoutineWait.s b/dev/ZKAKit/HALKit/AMD64/HalRoutineWait.s
index d794882d..89051ba4 100644
--- a/dev/ZKAKit/HALKit/AMD64/HalRoutineWait.s
+++ b/dev/ZKAKit/HALKit/AMD64/HalRoutineWait.s
@@ -3,7 +3,9 @@
 .section .text
 rt_wait_400ns:
     jmp .loop
+    pause
     .loop:
         jmp .loop2
+        pause
     .loop2:
         ret
diff --git a/dev/ZKAKit/HALKit/AMD64/Processor.h b/dev/ZKAKit/HALKit/AMD64/Processor.h
index b0580f3c..02c621bc 100644
--- a/dev/ZKAKit/HALKit/AMD64/Processor.h
+++ b/dev/ZKAKit/HALKit/AMD64/Processor.h
@@ -303,9 +303,9 @@ namespace Kernel::HAL
 	/// @return Status code of page manip.
 	EXTERN_C Int32 mm_map_page(VoidPtr virt_addr, UInt32 flags);
 
-	EXTERN_C UChar	rt_in8(UInt16 port);
-	EXTERN_C UShort rt_in16(UInt16 port);
-	EXTERN_C UInt	rt_in32(UInt16 port);
+	EXTERN_C UInt8	rt_in8(UInt16 port);
+	EXTERN_C UInt16 rt_in16(UInt16 port);
+	EXTERN_C UInt32	rt_in32(UInt16 port);
 
 	EXTERN_C void rt_out16(UShort port, UShort byte);
 	EXTERN_C void rt_out8(UShort port, UChar byte);
diff --git a/dev/ZKAKit/HALKit/AMD64/Storage/AHCI-DMA.cc b/dev/ZKAKit/HALKit/AMD64/Storage/AHCI-DMA.cc
index 106a06b1..6b6d4ee5 100644
--- a/dev/ZKAKit/HALKit/AMD64/Storage/AHCI-DMA.cc
+++ b/dev/ZKAKit/HALKit/AMD64/Storage/AHCI-DMA.cc
@@ -52,7 +52,7 @@ enum
 };
 
 STATIC Kernel::PCI::Device kAhciDevice;
-STATIC HbaPort*			   kAhciPort	   = nullptr;
+STATIC HbaPort* kAhciPort				   = nullptr;
 STATIC Kernel::Lba kCurrentDiskSectorCount = 0UL;
 
 Kernel::Void drv_calculate_disk_geometry()
diff --git a/dev/ZKAKit/HALKit/POWER/HalSerialPort.cc b/dev/ZKAKit/HALKit/POWER/HalDebugOutput.cc
index 91805d87..91805d87 100644
--- a/dev/ZKAKit/HALKit/POWER/HalSerialPort.cc
+++ b/dev/ZKAKit/HALKit/POWER/HalDebugOutput.cc