kernel/include/arch/proc/sh/sh2a-fpu/proc.h

   1 /**
   2  *  Hyper Operating System V4 Advance
   3  *
   4  * @file  procatr.h
   5  * @brief %jp{プロセッサアーキテクチャ固有機能(SH2 processor)}
   6  *
   7  * Copyright (C) 1998-2006 by Project HOS
   8  * http://sourceforge.jp/projects/hos/
   9  */
  10
  11
  12 #ifndef _KERNEL__arch__proc__sh__sh2a_fpu__proc_h__
  13 #define _KERNEL__arch__proc__sh__sh2a_fpu__proc_h__
  14
  15
  16 /** %jp{コンテキスト情報保存ブロック}%en{Execution context control block} */
  17 typedef struct _kernel_t_ctxcb
  18 {
  19         VP_INT  sp;
  20 } _KERNEL_T_CTXCB;
  21
  22 /** %jp{割込みコンテキスト制御ブロック} */
  23 typedef struct _kernel_t_ictxcb
  24 {
  25         H       imsk;
  26         B       intcnt;
  27         VP      isp;
  28 } _KERNEL_T_ICTXCB;
  29
  30
  31 extern _KERNEL_T_ICTXCB _kernel_ictxcb;         /**< %jp{割込みコンテキスト制御ブロック} */
  32
  33
  34 #ifdef __cplusplus
  35 extern "C" {
  36 #endif
  37
  38 void    _kernel_ena_int(void);                                                                                                                                          /**< %jp{割込み許可}%en{Enable interrupt} */
  39 void    _kernel_dis_int(void);                                                                                                                                          /**< %jp{割込み禁止}%en{Disable interrupt} */
  40 void    _kernel_wai_int(void);                                                                                                                                          /**< %jp{割込み待ち(アイドル時の処理)}%en{Wait for interrupt(sleep)} */
  41
  42 void    _kernel_cre_ctx(_KERNEL_T_CTXCB *pk_ctxcb, VP isp, FP entry, VP_INT par1, VP_INT par2);         /**< %jp{実行コンテキストの作成}%en{Create execution context)} */
  43 void    _kernel_sta_ctx(_KERNEL_T_CTXCB *pk_ctxcb);                                                                                                     /**< %jp{実行コンテキストの開始}%en{Stert context)} */
  44 void    _kernel_rst_ctx(VP_INT par1, VP_INT par2, VP isp, FP entry);                                                            /**< %jp{実行コンテキストのリスタート}%en{Restert context)} */
  45 void    _kernel_swi_ctx(_KERNEL_T_CTXCB *pk_ctxcb_nxt, _KERNEL_T_CTXCB *pk_ctxcb_now);                          /**< %jp{実行コンテキストの切替}%en{Switch context)} */
  46
  47
  48 #ifdef __cplusplus
  49 }
  50 #endif
  51
  52
  53
  54 #define _KERNEL_INI_PRC()       do{}while(0)                                                                                                                    /**< %jp{プロセッサの初期化}%en{Initialize processor} */
  55
  56 #define _KERNEL_INI_INT(stksz, stk)     do { _kernel_ictxcb.isp = (VB *)(stk) + (stksz); } while (0)
  57 #define _KERNEL_ENA_INT()                       _kernel_ena_int()                                                                                               /**< %jp{割込み許可}%en{Enable interrupt} */
  58 #define _KERNEL_DIS_INT()                       _kernel_dis_int()                                                                                               /**< %jp{割込み禁止}%en{Disable interrupt} */
  59 #define _KERNEL_WAI_INT()                       _kernel_wai_int()                                                                                               /**< %jp{割込み待ち(アイドル時の処理)}%en{Wait for interrupt(sleep)} */
  60
  61 #define _KERNEL_CRE_CTX(pk_ctxcb, stksz, stk, isp, entry, par1, par2)           \
  62                                                                         _kernel_cre_ctx((pk_ctxcb), (isp), (entry), (par1), (par2))             /**< %jp{実行コンテキスト生成}%en{Create execution context)} */
  63 #define _KERNEL_DEL_CTX(pk_ctxcb)       _kernel_del_ctx(pk_ctxcb)
  64 #define _KERNEL_RST_CTX(pk_ctxcb, stksz, stk, isp, entry, par1, par2)           \
  65                                                                         _kernel_rst_ctx((par1), (par2), (isp), (entry))                                 /**< %jp{実行コンテキストリスタート}%en{Restert context)} */
  66 #define _KERNEL_STA_CTX(pk_ctxcb)       _kernel_sta_ctx(pk_ctxcb)
  67 #define _KERNEL_SWI_CTX(pk_ctxcb_now, pk_ctxcb_nxt)                                                     \
  68                                                                         _kernel_swi_ctx((pk_ctxcb_nxt), (pk_ctxcb_now))                                 /**< %jp{コンテキストのスイッチ}%en{Switch context)} */
  69
  70
  71
  72
  73 #endif  /* _KERNEL__arch__proc__sh__sh2a_fpu__proc_h__ */
  74
  75
  76
  77 /* end of file */