ADD: Open version, with important changes kept out.

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

1 files changed, 106 insertions, 0 deletions

diff --git a/dev/Boot/src/HEL/AMD64/BootPlatform.cc b/dev/Boot/src/HEL/AMD64/BootPlatform.cc
new file mode 100644
index 00000000..5cf6aae3
--- /dev/null
+++ b/dev/Boot/src/HEL/AMD64/BootPlatform.cc
@@ -0,0 +1,106 @@
+
+/* -------------------------------------------
+
+	Copyright (C) 2024, Amlal EL Mahrouss, all rights reserved.
+
+------------------------------------------- */
+
+#include <BootKit/Platform.h>
+#include <BootKit/Protocol.h>
+#include <BootKit/BootKit.h>
+
+#ifdef __BOOTLDR_STANDALONE__
+
+using namespace Boot;
+
+EXTERN_C void rt_hlt()
+{
+	asm volatile("hlt");
+}
+
+EXTERN_C void rt_cli()
+{
+	asm volatile("cli");
+}
+
+EXTERN_C void rt_sti()
+{
+	asm volatile("sti");
+}
+
+EXTERN_C void rt_cld()
+{
+	asm volatile("cld");
+}
+
+EXTERN_C void rt_std()
+{
+	asm volatile("std");
+}
+
+EXTERN_C void rt_out8(UInt16 port, UInt8 value)
+{
+	asm volatile("outb %%al, %1"
+				 :
+				 : "a"(value), "Nd"(port)
+				 : "memory");
+}
+
+EXTERN_C void rt_out16(UInt16 port, UInt16 value)
+{
+	asm volatile("outw %%ax, %1"
+				 :
+				 : "a"(value), "Nd"(port)
+				 : "memory");
+}
+
+EXTERN_C void rt_out32(UInt16 port, UInt32 value)
+{
+	asm volatile("outl %%eax, %1"
+				 :
+				 : "a"(value), "Nd"(port)
+				 : "memory");
+}
+
+EXTERN_C UInt8 rt_in8(UInt16 port)
+{
+	UInt8 value;
+	asm volatile("inb %1, %%al"
+				 : "=a"(value)
+				 : "Nd"(port)
+				 : "memory");
+
+	return value;
+}
+
+EXTERN_C UInt16 rt_in16(UInt16 port)
+{
+	UInt16 value;
+	asm volatile("inw %%dx, %%ax"
+				 : "=a"(value)
+				 : "d"(port));
+
+	return value;
+}
+
+EXTERN_C UInt32 rt_in32(UInt16 port)
+{
+	UInt32 value;
+	asm volatile("inl %1, %%eax"
+				 : "=a"(value)
+				 : "Nd"(port)
+				 : "memory");
+
+	return value;
+}
+
+#else
+
+#include <HALKit/AMD64/Processor.h>
+
+void rt_hlt()
+{
+	Kernel::HAL::rt_halt();
+}
+
+#endif // __BOOTLDR_STANDALONE__