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/* -------------------------------------------
Copyright ZKA Technologies.
File: HalProcessor.cxx
Purpose: Platform processor routines.
------------------------------------------- */
#include <HALKit/AMD64/Paging.hxx>
#include <HALKit/AMD64/Processor.hxx>
/**
* @file HalCommAPI.cxx
* @brief CPU Common API.
*/
#define PhysShift36(ADDR) ((UInt64)ADDR >> 12)
namespace Kernel::HAL
{
/// @brief Maps or allocates a page from virt_addr.
/// @param virt_addr a valid virtual address.
/// @param phys_addr point to physical address.
/// @param flags the flags to put on the page.
/// @return Status code of page manip.
EXTERN_C Int32 mm_map_page(VoidPtr virt_addr, UInt32 flags)
{
ZKA_UNUSED(virt_addr);
ZKA_UNUSED(flags);
return 0;
}
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 Kernel::HAL
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