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#include <arch/i686/asm.h>
uint8_t inb(uint16_t port) {
uint8_t ret;
__asm__ volatile ("inb %1, %0" : "=a"(ret) : "Nd"(port));
return ret;
}
void outb(uint16_t port, uint8_t val) {
__asm__ volatile ("outb %0, %1" : : "a"(val), "Nd"(port));
}
uint16_t inw(uint16_t port) {
uint16_t ret;
__asm__ volatile ("inw %1, %0" : "=a"(ret) : "Nd"(port));
return ret;
}
void outw(uint16_t port, uint16_t val) {
__asm__ volatile ("outw %0, %1" : : "a"(val), "Nd"(port));
}
uint32_t inl(uint16_t port) {
uint32_t ret;
__asm__ volatile ("inl %1, %0" : "=a"(ret) : "Nd"(port));
return ret;
}
void outl(uint16_t port, uint32_t val) {
__asm__ volatile ("outl %0, %1" : : "a"(val), "Nd"(port));
}
void io_wait(void) {
outb(0x80, 0);
}
void int_enable(void) {
__asm__ volatile ("sti");
}
void int_disable(void) {
__asm__ volatile ("cli");
}
void int_wait(void) {
__asm__ volatile ("sti; hlt");
}
void halt(void) {
__asm__ volatile ("cli; hlt");
}
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