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  1. /*
  2.  * Copyright (c) 2007 Michal Kebrt
  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 arm32gxemul GXemul
  30.  *  @brief GXemul machine specific parts.
  31.  *  @ingroup arm32
  32.  * @{
  33.  */
  34. /** @file
  35.  *  @brief GXemul peripheries drivers declarations.
  36.  */
  37.  
  38. #ifndef KERN_arm32_GXEMUL_H_
  39. #define KERN_arm32_GXEMUL_H_
  40.  
  41. #include <console/chardev.h>
  42.  
  43. /** Last interrupt number (beginning from 0) whose status is probed
  44.  * from interrupt controller
  45.  */
  46. #define GXEMUL_IRQC_MAX_IRQ     8
  47.  
  48. /** Timer frequency */
  49. #define GXEMUL_TIMER_FREQ       100
  50.  
  51. /** Struct containing mappings of gxemul HW devices into kernel part
  52.  *  of virtual address space.
  53.  */
  54. typedef struct {
  55.     uintptr_t videoram;
  56.     uintptr_t kbd;
  57.     uintptr_t rtc;
  58.     uintptr_t rtc_freq;
  59.     uintptr_t rtc_ack;
  60.     uintptr_t irqc;
  61.     uintptr_t irqc_mask;
  62.     uintptr_t irqc_unmask;
  63. } gxemul_hw_map_t;
  64.  
  65. extern void gxemul_hw_map_init(void);
  66. extern void gxemul_console_init(devno_t devno);
  67. extern void gxemul_release_console(void);
  68. extern void gxemul_grab_console(void);
  69. extern void gxemul_timer_irq_start(void);
  70. extern void gxemul_debug_putc(char ch);
  71. extern void gxemul_cpu_halt(void);
  72. extern void gxemul_irq_exception(int exc_no, istate_t *istate);
  73. extern size_t gxemul_get_memory_size(void);
  74. extern uintptr_t gxemul_get_fb_address(void);
  75.  
  76. #endif
  77.  
  78. /** @}
  79.  */
  80.