diff options
Diffstat (limited to 'c/src/exec/score/include/rtems/score/context.h')
-rw-r--r-- | c/src/exec/score/include/rtems/score/context.h | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/c/src/exec/score/include/rtems/score/context.h b/c/src/exec/score/include/rtems/score/context.h deleted file mode 100644 index 4cd1f1e4c5..0000000000 --- a/c/src/exec/score/include/rtems/score/context.h +++ /dev/null @@ -1,134 +0,0 @@ -/* context.h - * - * This include file contains all information about a context. - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#ifndef __RTEMS_CONTEXT_h -#define __RTEMS_CONTEXT_h - -#ifdef __cplusplus -extern "C" { -#endif - -#include <rtems/score/cpu.h> - -/* - * The following constant defines the number of bytes required - * to store a full floating point context. - */ - -#define CONTEXT_FP_SIZE CPU_CONTEXT_FP_SIZE - -/* - * The following variable is set to TRUE when a reschedule operation - * has determined that the processor should be taken away from the - * currently executing thread and given to the heir thread. - */ - -EXTERN boolean _Context_Switch_necessary; - -/* - * _Context_Initialize - * - * DESCRIPTION: - * - * This routine initializes THE_CONTEXT such that the stack - * pointer, interrupt level, and entry point are correct for the - * thread's initial state. - */ - -#define \ - _Context_Initialize( _the_context, _stack, _size, _isr, _entry, _is_fp ) \ - _CPU_Context_Initialize( _the_context, _stack, _size, _isr, _entry, _is_fp ) - -/* - * _Context_Switch - * - * DESCRIPTION: - * - * This routine saves the current context into the EXECUTING - * context record and restores the context specified by HEIR. - */ - -#define _Context_Switch( _executing, _heir ) \ - _CPU_Context_switch( _executing, _heir ) - -/* - * _Context_Restart_self - * - * DESCRIPTION: - * - * This routine restarts the calling thread by restoring its initial - * stack pointer and returning to the thread's entry point. - */ - -#define _Context_Restart_self( _the_context ) \ - _CPU_Context_Restart_self( _the_context ) - -/* - * _Context_Fp_start - * - * DESCRIPTION: - * - * This function returns the starting address of the floating - * point context save area. It is assumed that the are reserved - * for the floating point save area is large enough. - */ - -#define _Context_Fp_start( _base, _offset ) \ - _CPU_Context_Fp_start( (_base), (_offset) ) - -/* - * _Context_Initialize_fp - * - * DESCRIPTION: - * - * This routine initializes the floating point context save - * area to contain an initial known state. - */ - -#define _Context_Initialize_fp( _fp_area ) \ - _CPU_Context_Initialize_fp( _fp_area ) - -/* - * _Context_Restore_fp - * - * DESCRIPTION: - * - * This routine restores the floating point context contained - * in the FP_CONTEXT area. It is assumed that the current - * floating point context has been saved by a previous invocation - * of SAVE_FP. - */ - -#define _Context_Restore_fp( _fp ) \ - _CPU_Context_restore_fp( _fp ) - -/* - * _Context_Save_fp - * - * DESCRIPTION: - * - * This routine saves the current floating point context - * in the FP_CONTEXT area. - */ - -#define _Context_Save_fp( _fp ) \ - _CPU_Context_save_fp( _fp ) - -#ifdef __cplusplus -} -#endif - -#endif -/* end of include file */ |