33,43 → 33,72 |
#ifndef LIBC_ia32_DDI_H_ |
#define LIBC_ia32_DDI_H_ |
|
static inline void outb(int16_t port, uint8_t b) |
#include <sys/types.h> |
#include <libarch/types.h> |
|
#define IO_SPACE_BOUNDARY ((void *) (64 * 1024)) |
|
static inline uint8_t pio_read_8(ioport8_t *port) |
{ |
asm volatile ("outb %0, %1\n" :: "a" (b), "d" (port)); |
uint8_t val; |
|
asm volatile ( |
"inb %w[port], %b[val]\n" |
: [val] "=a" (val) |
: [port] "d" (port) |
); |
|
return val; |
} |
|
static inline void outw(int16_t port, int16_t w) |
static inline uint16_t pio_read_16(ioport16_t *port) |
{ |
asm volatile ("outw %0, %1\n" :: "a" (w), "d" (port)); |
uint16_t val; |
|
asm volatile ( |
"inw %w[port], %w[val]\n" |
: [val] "=a" (val) |
: [port] "d" (port) |
); |
|
return val; |
} |
|
static inline void outl(int16_t port, uint32_t l) |
static inline uint32_t pio_read_32(ioport32_t *port) |
{ |
asm volatile ("outl %0, %1\n" :: "a" (l), "d" (port)); |
uint32_t val; |
|
asm volatile ( |
"inl %w[port], %[val]\n" |
: [val] "=a" (val) |
: [port] "d" (port) |
); |
|
return val; |
} |
|
static inline uint8_t inb(int16_t port) |
static inline void pio_write_8(ioport8_t *port, uint8_t val) |
{ |
uint8_t val; |
|
asm volatile ("inb %1, %0 \n" : "=a" (val) : "d"(port)); |
return val; |
asm volatile ( |
"outb %b[val], %w[port]\n" |
:: [val] "a" (val), [port] "d" (port) |
); |
} |
|
static inline int16_t inw(int16_t port) |
static inline void pio_write_16(ioport16_t *port, uint16_t val) |
{ |
int16_t val; |
|
asm volatile ("inw %1, %0 \n" : "=a" (val) : "d"(port)); |
return val; |
asm volatile ( |
"outw %w[val], %w[port]\n" |
:: [val] "a" (val), [port] "d" (port) |
); |
} |
|
static inline uint32_t inl(int16_t port) |
static inline void pio_write_32(ioport32_t *port, uint32_t val) |
{ |
uint32_t val; |
|
asm volatile ("inl %1, %0 \n" : "=a" (val) : "d"(port)); |
return val; |
asm volatile ( |
"outl %[val], %w[port]\n" |
:: [val] "a" (val), [port] "d" (port) |
); |
} |
|
#endif |