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/* -------------------------------------------
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__
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