| 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 |