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-rw-r--r--dev/kernel/HALKit/AMD64/HalProcessorAMD64.cc101
1 files changed, 101 insertions, 0 deletions
diff --git a/dev/kernel/HALKit/AMD64/HalProcessorAMD64.cc b/dev/kernel/HALKit/AMD64/HalProcessorAMD64.cc
new file mode 100644
index 00000000..b3da8352
--- /dev/null
+++ b/dev/kernel/HALKit/AMD64/HalProcessorAMD64.cc
@@ -0,0 +1,101 @@
+/* -------------------------------------------
+
+ Copyright (C) 2024-2025, Amlal EL Mahrouss, all rights reserved.
+
+ File: HalCPU.cc
+ Purpose: Platform processor routines.
+
+------------------------------------------- */
+
+#include <HALKit/AMD64/Paging.h>
+#include <HALKit/AMD64/Processor.h>
+
+/**
+ * @file HalCPU.cc
+ * @brief Common CPU API.
+ */
+
+namespace NeOS::HAL
+{
+ Void lrt_out8(UInt16 port, UInt8 value)
+ {
+ asm volatile("outb %%al, %1"
+ :
+ : "a"(value), "Nd"(port)
+ : "memory");
+ }
+
+ Void lrt_out16(UInt16 port, UInt16 value)
+ {
+ asm volatile("outw %%ax, %1"
+ :
+ : "a"(value), "Nd"(port)
+ : "memory");
+ }
+
+ Void lrt_out32(UInt16 port, UInt32 value)
+ {
+ asm volatile("outl %%eax, %1"
+ :
+ : "a"(value), "Nd"(port)
+ : "memory");
+ }
+
+ UInt8 lrt_in8(UInt16 port)
+ {
+ UInt8 value = 0UL;
+ asm volatile("inb %1, %%al"
+ : "=a"(value)
+ : "Nd"(port)
+ : "memory");
+
+ return value;
+ }
+
+ UInt16 lrt_in16(UInt16 port)
+ {
+ UInt16 value = 0UL;
+ asm volatile("inw %1, %%ax"
+ : "=a"(value)
+ : "Nd"(port)
+ : "memory");
+
+ return value;
+ }
+
+ UInt32 lrt_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 NeOS::HAL