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  1. /*
  2.  * Copyright (c) 2005 Jakub Jermar, Jakub Vana
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. /** @addtogroup ia64   
  30.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. #ifndef LIBC_ia64_DDI_H_
  36. #define LIBC_ia64_DDI_H_
  37.  
  38. #include <libarch/types.h>
  39.  
  40. typedef uint64_t ioport_t;
  41.  
  42. uint64_t get_ia64_iospace_address(void);
  43.  
  44. extern uint64_t ia64_iospace_address;
  45.  
  46. #define IA64_IOSPACE_ADDRESS (ia64_iospace_address?ia64_iospace_address:(ia64_iospace_address=get_ia64_iospace_address()))
  47.  
  48. static inline void  outb(ioport_t port,uint8_t v)
  49. {
  50.     *((uint8_t *)(IA64_IOSPACE_ADDRESS + ( (port & 0xfff) | ( (port >> 2) << 12 )))) = v;
  51.  
  52.     asm volatile ("mf\n" ::: "memory");
  53. }
  54.  
  55. static inline void  outw(ioport_t port,uint16_t v)
  56. {
  57.     *((uint16_t *)(IA64_IOSPACE_ADDRESS + ( (port & 0xfff) | ( (port >> 2) << 12 )))) = v;
  58.  
  59.     asm volatile ("mf\n" ::: "memory");
  60. }
  61.  
  62. static inline void  outl(ioport_t port,uint32_t v)
  63. {
  64.     *((uint32_t *)(IA64_IOSPACE_ADDRESS + ( (port & 0xfff) | ( (port >> 2) << 12 )))) = v;
  65.  
  66.     asm volatile ("mf\n" ::: "memory");
  67. }
  68.  
  69.  
  70.  
  71. static inline uint8_t inb(ioport_t port)
  72. {
  73.     asm volatile ("mf\n" ::: "memory");
  74.  
  75.     return *((uint8_t *)(IA64_IOSPACE_ADDRESS + ( (port & 0xfff) | ( (port >> 2) << 12 ))));
  76. }
  77.  
  78. static inline uint16_t inw(ioport_t port)
  79. {
  80.     asm volatile ("mf\n" ::: "memory");
  81.  
  82.     return *((uint16_t *)(IA64_IOSPACE_ADDRESS + ( (port & 0xffE) | ( (port >> 2) << 12 ))));
  83. }
  84.  
  85. static inline uint32_t inl(ioport_t port)
  86. {
  87.     asm volatile ("mf\n" ::: "memory");
  88.  
  89.     return *((uint32_t *)(IA64_IOSPACE_ADDRESS + ( (port & 0xfff) | ( (port >> 2) << 12 ))));
  90. }
  91.  
  92.  
  93.  
  94.  
  95. #endif
  96.  
  97. /** @}
  98.  */
  99.