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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 Free Software Foundation, 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.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 v2.
//
// This exception does not invalidate any other reasons why a work based
// on this file might be covered by the GNU General Public 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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