headers/private/kernel/arch/sh4/cpu.h

   1 /*
   2 ** Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
   3 ** Distributed under the terms of the NewOS License.
   4 */
   5 #ifndef _NEWOS_KERNEL_ARCH_SH4_CPU_H
   6 #define _NEWOS_KERNEL_ARCH_SH4_CPU_H
   7
   8 #include <arch/cpu.h>
   9 #include <arch/sh4/sh4.h>
  10
  11 unsigned int get_fpscr();
  12 unsigned int get_sr();
  13 void sh4_context_switch(unsigned int **old_sp, unsigned int *new_sp);
  14 void sh4_function_caller();
  15 void sh4_set_kstack(addr kstack);
  16 void sh4_enter_uspace(addr entry, void *args, addr ustack_top);
  17 void sh4_set_user_pgdir(addr pgdir);
  18 void sh4_invl_page(addr va);
  19 #define PAGE_SIZE 4096
  20
  21 #define _BIG_ENDIAN 0
  22 #define _LITTLE_ENDIAN 1
  23 #endif
  24