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#ifndef CYGONCE_HAL_XPIC_H
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#define CYGONCE_HAL_XPIC_H
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//=============================================================================
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//
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// hal_xpic.h
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//
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// HAL eXternal Programmable Interrupt Controller support
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//
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//=============================================================================
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//####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with eCos; if not, write to the Free Software Foundation, Inc.,
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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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//
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// As a special exception, if other files instantiate templates or use macros
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// or inline functions from this file, or you compile this file and link it
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// with other works to produce a work based on this file, this file does not
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// by itself cause the resulting work to be covered by the GNU General Public
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// License. However the source code for this file must still be made available
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// in accordance with section (3) of the GNU General Public License.
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//
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// This exception does not invalidate any other reasons why a work based on
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// this file might be covered by the GNU General Public License.
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//
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// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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// at http://sources.redhat.com/ecos/ecos-license/
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// -------------------------------------------
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//####ECOSGPLCOPYRIGHTEND####
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//=============================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s): nickg, gthomas, hmt
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// Contributors: nickg, gthomas, hmt
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// Date: 1999-01-28
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// Purpose: Define Interrupt support
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// Description: The macros defined here provide the HAL APIs for handling
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// an external interrupt controller, and which interrupt is
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// used for what.
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//
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// Usage:
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// #include <cyg/hal/hal_intr.h> // which includes this file
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// ...
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//
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//
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//####DESCRIPTIONEND####
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//
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//=============================================================================
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#include <cyg/hal/hal_io.h>
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//-----------------------------------------------------------------------------
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// Interrupt controller access
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// in leon simulator:
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// 2 = UART B
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// 3 = UART A
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// 1 = AHB error
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// 9 = TI2 (general purpose timer)
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// 8 = TI1 (realtime clock)
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// The vector used by the Real time clock
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#define CYGNUM_HAL_INTERRUPT_RTC CYGNUM_HAL_INTERRUPT_8
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/* These must be accessed word-wide to work! */
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#define SPARC_LEON_REG (0x80000000)
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#define SPARC_LEON_INTCON_PENDING (SPARC_LEON_REG + 0x94)
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#define SPARC_LEON_INTCON_MASK (SPARC_LEON_REG + 0x90)
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#define SPARC_LEON_INTCON_CLEAR (SPARC_LEON_REG + 0x9C)
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#define SPARC_LEON_INTCON_FORCE (SPARC_LEON_REG + 0x98)
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#define HAL_INTERRUPT_MASK( _vector_ ) CYG_MACRO_START \
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cyg_uint32 _traps_, _mask_; \
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HAL_DISABLE_TRAPS( _traps_ ); \
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HAL_READ_UINT32( SPARC_LEON_INTCON_MASK, _mask_ ); \
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_mask_ &= ~( 1 << (_vector_) ); \
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HAL_WRITE_UINT32(SPARC_LEON_INTCON_MASK, _mask_ ); \
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HAL_RESTORE_INTERRUPTS( _traps_ ); \
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CYG_MACRO_END
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#define HAL_INTERRUPT_UNMASK( _vector_ ) CYG_MACRO_START \
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cyg_uint32 _traps_, _mask_; \
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HAL_DISABLE_TRAPS( _traps_ ); \
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HAL_READ_UINT32( SPARC_LEON_INTCON_MASK, _mask_ ); \
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_mask_ |= ( 1 << (_vector_) ); \
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HAL_WRITE_UINT32( SPARC_LEON_INTCON_MASK, _mask_ ); \
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HAL_RESTORE_INTERRUPTS( _traps_ ); \
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CYG_MACRO_END
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#define HAL_INTERRUPT_ACKNOWLEDGE( _vector_ )
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/* Interrupts are automatically acknowledged by hardware, not needed ...
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#define HAL_INTERRUPT_ACKNOWLEDGE( _vector_ ) CYG_MACRO_START \
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cyg_uint32 _traps_; \
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HAL_DISABLE_TRAPS( _traps_ ); \
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HAL_WRITE_UINT32( SPARC_LEON_INTCON_CLEAR, ( 1 << (_vector_) ) ); \
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HAL_RESTORE_INTERRUPTS( _traps_ ); \
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CYG_MACRO_END
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*/
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#define HAL_INTERRUPT_CONFIGURE( _vector_, _level_, _up_ ) /* nothing */
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#define HAL_INTERRUPT_SET_LEVEL( _vector_, _level_ ) /* nothing */
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//-----------------------------------------------------------------------------
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#endif // ifndef CYGONCE_HAL_XPIC_H
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// End of hal_xpic.h
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