0,0 → 1,115 |
/* |
* Copyright (c) 2005 Jakub Vana |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
|
/** @addtogroup libcia64 |
* @{ |
*/ |
/** @file |
*/ |
|
#ifndef LIBC_ia64_DDI_H_ |
#define LIBC_ia64_DDI_H_ |
|
#include <sys/types.h> |
#include <libarch/types.h> |
|
#define IO_SPACE_BOUNDARY (64 * 1024) |
|
uint64_t get_ia64_iospace_address(void); |
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extern uint64_t ia64_iospace_address; |
|
#define IA64_IOSPACE_ADDRESS \ |
(ia64_iospace_address ? \ |
ia64_iospace_address : \ |
(ia64_iospace_address = get_ia64_iospace_address())) |
|
static inline void pio_write_8(ioport8_t *port, uint8_t v) |
{ |
uintptr_t prt = (uintptr_t) port; |
|
*((uint8_t *)(IA64_IOSPACE_ADDRESS + |
((prt & 0xfff) | ((prt >> 2) << 12)))) = v; |
|
asm volatile ("mf\n" ::: "memory"); |
} |
|
static inline void pio_write_16(ioport16_t *port, uint16_t v) |
{ |
uintptr_t prt = (uintptr_t) port; |
|
*((uint16_t *)(IA64_IOSPACE_ADDRESS + |
((prt & 0xfff) | ((prt >> 2) << 12)))) = v; |
|
asm volatile ("mf\n" ::: "memory"); |
} |
|
static inline void pio_write_32(ioport32_t *port, uint32_t v) |
{ |
uintptr_t prt = (uintptr_t) port; |
|
*((uint32_t *)(IA64_IOSPACE_ADDRESS + |
((prt & 0xfff) | ((prt >> 2) << 12)))) = v; |
|
asm volatile ("mf\n" ::: "memory"); |
} |
|
static inline uint8_t pio_read_8(ioport8_t *port) |
{ |
uintptr_t prt = (uintptr_t) port; |
|
asm volatile ("mf\n" ::: "memory"); |
|
return *((uint8_t *)(IA64_IOSPACE_ADDRESS + |
((prt & 0xfff) | ((prt >> 2) << 12)))); |
} |
|
static inline uint16_t pio_read_16(ioport16_t *port) |
{ |
uintptr_t prt = (uintptr_t) port; |
|
asm volatile ("mf\n" ::: "memory"); |
|
return *((uint16_t *)(IA64_IOSPACE_ADDRESS + |
((prt & 0xfff) | ((prt >> 2) << 12)))); |
} |
|
static inline uint32_t pio_read_32(ioport32_t *port) |
{ |
uintptr_t prt = (uintptr_t) port; |
|
asm volatile ("mf\n" ::: "memory"); |
|
return *((uint32_t *)(IA64_IOSPACE_ADDRESS + |
((prt & 0xfff) | ((prt >> 2) << 12)))); |
} |
|
#endif |
|
/** @} |
*/ |