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  1. /*
  2.  * Copyright (c) 2003-2004 Jakub Jermar
  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 arm32  
  30.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. #ifndef KERN_arm32_ASM_H_
  36. #define KERN_arm32_ASM_H_
  37.  
  38. #include <arch/types.h>
  39.  
  40. static inline void cpu_sleep(void)
  41. {
  42.     /* TODO */
  43. }
  44.  
  45. /** Return base address of current stack
  46.  *
  47.  * Return the base address of the current stack.
  48.  * The stack is assumed to be STACK_SIZE bytes long.
  49.  * The stack must start on page boundary.
  50.  */
  51. static inline uintptr_t get_stack_base(void)
  52. {
  53.     /* TODO */ 
  54.     return NULL;
  55. }
  56.  
  57. extern void cpu_halt(void);
  58. extern void asm_delay_loop(uint32_t t);
  59. extern void userspace_asm(uintptr_t ustack, uintptr_t uspace_uarg,
  60.     uintptr_t entry);
  61.  
  62. extern ipl_t interrupts_disable(void);
  63. extern ipl_t interrupts_enable(void);
  64. extern void interrupts_restore(ipl_t ipl);
  65. extern ipl_t interrupts_read(void);
  66.  
  67. #endif
  68.  
  69. /** @}
  70.  */
  71.