Merged in MHR-23 (pull request #12)

MHR-23: Merge work.

1 files changed, 97 insertions, 0 deletions

diff --git a/Kernel/HALKit/AMD64/HalProcessor.cpp b/Kernel/HALKit/AMD64/HalProcessor.cpp
new file mode 100644
index 00000000..31cee72c
--- /dev/null
+++ b/Kernel/HALKit/AMD64/HalProcessor.cpp
@@ -0,0 +1,97 @@
+/* -------------------------------------------
+
+    Copyright SoftwareLabs
+
+------------------------------------------- */
+
+#include <HALKit/AMD64/Processor.hpp>
+
+/**
+ * @file Processor.cpp
+ * @brief This file is about processor specific functions (in/out/cli/std...)
+ */
+
+namespace NewOS::HAL
+{
+	void Out8(UInt16 port, UInt8 value)
+	{
+		asm volatile("outb %%al, %1"
+					 :
+					 : "a"(value), "Nd"(port)
+					 : "memory");
+	}
+
+	void Out16(UInt16 port, UInt16 value)
+	{
+		asm volatile("outw %%ax, %1"
+					 :
+					 : "a"(value), "Nd"(port)
+					 : "memory");
+	}
+
+	void Out32(UInt16 port, UInt32 value)
+	{
+		asm volatile("outl %%eax, %1"
+					 :
+					 : "a"(value), "Nd"(port)
+					 : "memory");
+	}
+
+	UInt8 In8(UInt16 port)
+	{
+		UInt8 value = 0UL;
+		asm volatile("inb %1, %%al"
+					 : "=a"(value)
+					 : "Nd"(port)
+					 : "memory");
+
+		return value;
+	}
+
+	UInt16 In16(UInt16 port)
+	{
+		UInt16 value = 0UL;
+		asm volatile("inw %1, %%ax"
+					 : "=a"(value)
+					 : "Nd"(port)
+					 : "memory");
+
+		return value;
+	}
+
+	UInt32 In32(UInt16 port)
+	{
+		UInt32 value = 0UL;
+		asm volatile("inl %1, %%eax"
+					 : "=a"(value)
+					 : "Nd"(port)
+					 : "memory");
+
+		return value;
+	}
+
+	void rt_halt()
+	{
+		asm volatile("hlt");
+	}
+
+	void rt_cli()
+	{
+		asm volatile("cli");
+	}
+
+	void rt_sti()
+	{
+		asm volatile("sti");
+	}
+
+	void rt_cld()
+	{
+		asm volatile("cld");
+	}
+
+	void rt_std()
+	{
+		asm volatile("std");
+	}
+} // namespace NewOS::HAL