L4Re Operating System Framework
Interface and Usage Documentation
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x86 port I/O More...
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Functions | |
l4_uint8_t | l4util_in8 (l4_uint16_t port) |
Read byte from I/O port. | |
l4_uint16_t | l4util_in16 (l4_uint16_t port) |
Read 16-bit-value from I/O port. | |
l4_uint32_t | l4util_in32 (l4_uint16_t port) |
Read 32-bit-value from I/O port. | |
void | l4util_ins8 (l4_uint16_t port, l4_umword_t addr, l4_umword_t count) |
Read a block of 8-bit-values from I/O ports. | |
void | l4util_ins16 (l4_uint16_t port, l4_umword_t addr, l4_umword_t count) |
Read a block of 16-bit-values from I/O ports. | |
void | l4util_ins32 (l4_uint16_t port, l4_umword_t addr, l4_umword_t count) |
Read a block of 32-bit-values from I/O ports. | |
void | l4util_out8 (l4_uint8_t value, l4_uint16_t port) |
Write byte to I/O port. | |
void | l4util_out16 (l4_uint16_t value, l4_uint16_t port) |
Write 16-bit-value to I/O port. | |
void | l4util_out32 (l4_uint32_t value, l4_uint16_t port) |
Write 32-bit-value to I/O port. | |
void | l4util_outs8 (l4_uint16_t port, l4_umword_t addr, l4_umword_t count) |
Write a block of bytes to I/O port. | |
void | l4util_outs16 (l4_uint16_t port, l4_umword_t addr, l4_umword_t count) |
Write a block of 16-bit-values to I/O port. | |
void | l4util_outs32 (l4_uint16_t port, l4_umword_t addr, l4_umword_t count) |
Write block of 32-bit-values to I/O port. | |
void | l4util_iodelay (void) |
delay I/O port access by writing to port 0x80 | |