_csl_intc0.zip_The Program

/* ============================================================================ * Copyright (c) Texas Instruments Inc 2002, 2003, 2004, 2005 * * Use of this software is controlled by the terms and conditions found in the * license agreement under which this software has been supplied. * =========================================================================== */ #ifndef _CSL_INTC0_H_ #define _CSL_INTC0_H_ #include <csl_types.h> #include <csl_error.h> #include <cslr_intc0.h> /**************************************************************************\ * INTC0 global macro declarations \**************************************************************************/ /**************************************************************************\ * INTC0 global typedef declarations \**************************************************************************/ /* ARM processor modes */ typedef enum { _CSL_INTC0_MODE_USR = 0x10, _CSL_INTC0_MODE_FIQ = 0x11, _CSL_INTC0_MODE_IRQ = 0x12, _CSL_INTC0_MODE_SVC = 0x13, _CSL_INTC0_MODE_ABT = 0x17, _CSL_INTC0_MODE_UND = 0x1B, _CSL_INTC0_MODE_SYS = 0x1F } _CSL_Intc0Mode; /* ARM CPU exceptions */ typedef enum { _CSL_INTC0_EXCP_RESET = 0, _CSL_INTC0_EXCP_UNDEF = 1, _CSL_INTC0_EXCP_SWI = 2, _CSL_INTC0_EXCP_PREABT = 3, _CSL_INTC0_EXCP_DATABT = 4, _CSL_INTC0_EXCP_IRQ = 6, _CSL_INTC0_EXCP_FIQ = 7 } _CSL_Intc0Exception; /* IRQ exception enable/disable state */ typedef enum { _CSL_INTC0_IRQSTATE_ENABLE = 0, _CSL_INTC0_IRQSTATE_DISABLE = 1 } _CSL_Intc0IrqEnableState; /* FIQ exception enable/disable state */ typedef enum { _CSL_INTC0_FIQSTATE_ENABLE = 0, _CSL_INTC0_FIQSTATE_DISABLE = 1 } _CSL_Intc0FiqEnableState; /**************************************************************************\ * INTC0 global function declarations \**************************************************************************/ /* * ====================================================== * @func csl_intc0EnableIRQ.c * @desc Enable IRQ exception * * * @ret IrqEnableState * * Enable IRQ exception * * * @eg * Enable IRQ exception * * * ====================================================== */ _CSL_Intc0IrqEnableState _CSL_intc0EnableIRQ( void ); /* * ====================================================== * @func csl_intc0DisableIRQ.c * @desc Disable IRQ exception * * * @ret IrqEnableState * * Disable IRQ exception * * * @eg * Disable IRQ exception * * * ====================================================== */ _CSL_Intc0IrqEnableState _CSL_intc0DisableIRQ( void ); /* * ====================================================== * @func csl_intc0RestoreIRQ.c * @desc Disable IRQ exception * * * @arg prevState * the enable-state to restore to * @ret IrqEnableState * * Restore the IRQ exception enable-state * * * @eg * Restore the IRQ exception enable-state * * * ====================================================== */ _CSL_Intc0IrqEnableState _CSL_intc0RestoreIRQ( _CSL_Intc0IrqEnableState prevState ); /* * ====================================================== * @func csl_intc0EnableFIQ.c * @desc Enable FIQ exception * * * @ret FiqEnableState * * Enable FIQ exception * * * @eg * Enable FIQ exception * * * ====================================================== */ _CSL_Intc0FiqEnableState _CSL_intc0EnableFIQ( void ); /* * ====================================================== * @func csl_intc0DisableFIQ.c * @desc Disable FIQ exception * * * @ret FiqEnableState * * Disable FIQ exception * * * @eg * Disable FIQ exception * * * ====================================================== */ _CSL_Intc0FiqEnableState _CSL_intc0DisableFIQ( void ); /* * ====================================================== * @func csl_intc0RestoreFIQ.c * @desc Disable FIQ exception * * * @arg prevState * the enable-state to restore to * @ret FiqEnableState * * Restore the FIQ exception enable-state * * * @eg * Restore the FIQ exception enable-state * * * ====================================================== */ _CSL_Intc0FiqEnableState _CSL_intc0RestoreFIQ( _CSL_Intc0FiqEnableState prevState ); /**************************************************************************\ * INTC0 inline function declarations \**************************************************************************/ inline void _CSL_intc0Init( void ); inline void _CSL_intc0HookVector( _CSL_Intc0Exception exception, void *handler ); /**************************************************************************\ * INTC0 inline function definitions \**************************************************************************/ inline void _CSL_intc0Init( void ) { } /*------------------------------------------------------------------------*/ inline void _CSL_intc0HookVector( _CSL_Intc0Exception exception, void * handler ) { int *AddrFIQ; int *AddrIRQ; AddrIRQ = (int *)0x34; AddrFIQ = (int *)0x38; if (exception == _CSL_INTC0_EXCP_IRQ) *AddrIRQ = (int)handler; if (exception == _CSL_INTC0_EXCP_FIQ) *AddrFIQ = (int)handler; } /*------------------------------------------------------------------------*/ #endif