mirror of
https://github.com/tailix/libkernaux.git
synced 2024-11-13 11:04:27 -05:00
76 lines
2 KiB
C
76 lines
2 KiB
C
#ifndef KERNAUX_INCLUDED_ARCH_I386
|
|
#define KERNAUX_INCLUDED_ARCH_I386 1
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
inline static unsigned char kernaux_arch_i386_inportb(unsigned short port);
|
|
inline static unsigned short kernaux_arch_i386_inportw(unsigned short port);
|
|
inline static unsigned int kernaux_arch_i386_inportd(unsigned short port);
|
|
|
|
inline static void
|
|
kernaux_arch_i386_outportb(unsigned short port, unsigned char value);
|
|
|
|
inline static void
|
|
kernaux_arch_i386_outportw(unsigned short port, unsigned short value);
|
|
|
|
inline static void
|
|
kernaux_arch_i386_outportd(unsigned short port, unsigned int value);
|
|
|
|
void kernaux_arch_i386_hang() __attribute__((noreturn));
|
|
|
|
unsigned long kernaux_arch_i386_read_cr0();
|
|
unsigned long kernaux_arch_i386_read_cr4();
|
|
|
|
void kernaux_arch_i386_write_cr0(volatile unsigned long value);
|
|
void kernaux_arch_i386_write_cr3(volatile unsigned long value);
|
|
void kernaux_arch_i386_write_cr4(volatile unsigned long value);
|
|
|
|
unsigned char kernaux_arch_i386_inportb(const unsigned short port)
|
|
{
|
|
register unsigned char result;
|
|
__asm__ volatile("inb %1, %0" : "=a" (result) : "dN" (port));
|
|
return result;
|
|
}
|
|
|
|
unsigned short kernaux_arch_i386_inportw(const unsigned short port)
|
|
{
|
|
register unsigned short result;
|
|
__asm__ volatile("inw %1, %0" : "=a" (result) : "dN" (port));
|
|
return result;
|
|
}
|
|
|
|
unsigned int kernaux_arch_i386_inportd(const unsigned short port)
|
|
{
|
|
register unsigned int result;
|
|
__asm__ volatile("ind %1, %0" : "=a" (result) : "dN" (port));
|
|
return result;
|
|
}
|
|
|
|
void kernaux_arch_i386_outportb(
|
|
const unsigned short port,
|
|
const unsigned char value
|
|
) {
|
|
__asm__ volatile("outb %1, %0" : : "dN" (port), "a" (value));
|
|
}
|
|
|
|
void kernaux_arch_i386_outportw(
|
|
const unsigned short port,
|
|
const unsigned short value
|
|
) {
|
|
__asm__ volatile("outw %1, %0" : : "dN" (port), "a" (value));
|
|
}
|
|
|
|
void kernaux_arch_i386_outportd(
|
|
const unsigned short port,
|
|
const unsigned int value
|
|
) {
|
|
__asm__ volatile("outd %1, %0" : : "dN" (port), "a" (value));
|
|
}
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|