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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [hal/] [sparc/] [erc32/] [v2_0/] [include/] [hal_xpic.h] - Rev 379
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#ifndef CYGONCE_HAL_XPIC_H #define CYGONCE_HAL_XPIC_H //============================================================================= // // hal_xpic.h // // HAL eXternal Programmable Interrupt Controller support // //============================================================================= //####ECOSGPLCOPYRIGHTBEGIN#### // ------------------------------------------- // This file is part of eCos, the Embedded Configurable Operating System. // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. // // eCos is free software; you can redistribute it and/or modify it under // the terms of the GNU General Public License as published by the Free // Software Foundation; either version 2 or (at your option) any later version. // // eCos is distributed in the hope that it will be useful, but WITHOUT ANY // WARRANTY; without even the implied warranty of MERCHANTABILITY or // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License // for more details. // // You should have received a copy of the GNU General Public License along // with eCos; if not, write to the Free Software Foundation, Inc., // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. // // As a special exception, if other files instantiate templates or use macros // or inline functions from this file, or you compile this file and link it // with other works to produce a work based on this file, this file does not // by itself cause the resulting work to be covered by the GNU General Public // License. However the source code for this file must still be made available // in accordance with section (3) of the GNU General Public License. // // This exception does not invalidate any other reasons why a work based on // this file might be covered by the GNU General Public License. // // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. // at http://sources.redhat.com/ecos/ecos-license/ // ------------------------------------------- //####ECOSGPLCOPYRIGHTEND#### //============================================================================= //#####DESCRIPTIONBEGIN#### // // Author(s): nickg, gthomas, hmt // Contributors: nickg, gthomas, hmt // Date: 1999-01-28 // Purpose: Define Interrupt support // Description: The macros defined here provide the HAL APIs for handling // an external interrupt controller, and which interrupt is // used for what. // // Usage: // #include <cyg/hal/hal_intr.h> // which includes this file // ... // // //####DESCRIPTIONEND#### // //============================================================================= #include <cyg/hal/hal_io.h> //----------------------------------------------------------------------------- // Interrupt controller access // in erc32 simulator: // 4 = UART A // 5 = UART B // 7 = UART error // 12 = GPT (general purpose timer) // 13 = RTC (realtime clock) // 15 = watchdog // The vector used by the Real time clock #define CYGNUM_HAL_INTERRUPT_RTC CYGNUM_HAL_INTERRUPT_13 /* These must be accessed word-wide to work! */ #define SPARC_MEC_INTCON (0x01f80000) #define SPARC_MEC_INTCON_PENDING (SPARC_MEC_INTCON + 0x48) #define SPARC_MEC_INTCON_MASK (SPARC_MEC_INTCON + 0x4c) #define SPARC_MEC_INTCON_CLEAR (SPARC_MEC_INTCON + 0x50) #define SPARC_MEC_INTCON_FORCE (SPARC_MEC_INTCON + 0x54) #define HAL_INTERRUPT_MASK( _vector_ ) CYG_MACRO_START \ cyg_uint32 _traps_, _mask_; \ HAL_DISABLE_TRAPS( _traps_ ); \ HAL_READ_UINT32( SPARC_MEC_INTCON_MASK, _mask_ ); \ _mask_ |= ( 1 << (_vector_) ); \ HAL_WRITE_UINT32(SPARC_MEC_INTCON_MASK, _mask_ ); \ HAL_RESTORE_INTERRUPTS( _traps_ ); \ CYG_MACRO_END #define HAL_INTERRUPT_UNMASK( _vector_ ) CYG_MACRO_START \ cyg_uint32 _traps_, _mask_; \ HAL_DISABLE_TRAPS( _traps_ ); \ HAL_READ_UINT32( SPARC_MEC_INTCON_MASK, _mask_ ); \ _mask_ &=~ ( 1 << (_vector_) ); \ HAL_WRITE_UINT32( SPARC_MEC_INTCON_MASK, _mask_ ); \ HAL_RESTORE_INTERRUPTS( _traps_ ); \ CYG_MACRO_END #define HAL_INTERRUPT_ACKNOWLEDGE( _vector_ ) CYG_MACRO_START \ cyg_uint32 _traps_; \ HAL_DISABLE_TRAPS( _traps_ ); \ HAL_WRITE_UINT32( SPARC_MEC_INTCON_CLEAR, ( 1 << (_vector_) ) ); \ HAL_RESTORE_INTERRUPTS( _traps_ ); \ CYG_MACRO_END #define HAL_INTERRUPT_CONFIGURE( _vector_, _level_, _up_ ) /* nothing */ #define HAL_INTERRUPT_SET_LEVEL( _vector_, _level_ ) /* nothing */ //----------------------------------------------------------------------------- #endif // ifndef CYGONCE_HAL_XPIC_H // End of hal_xpic.h
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