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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 Free Software Foundation, 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
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// version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT
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// ANY 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
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// along with eCos; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// As a special exception, if other files instantiate templates or use
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// macros or inline functions from this file, or you compile this file
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// and link it with other works to produce a work based on this file,
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// this file does not by itself cause the resulting work to be covered by
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// the GNU General Public License. However the source code for this file
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// must still be made available in accordance with section (3) of the GNU
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// General Public License v2.
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//
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// This exception does not invalidate any other reasons why a work based
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// on this file might be covered by the GNU General Public 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 erc32 simulator:
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// 4 = UART A
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// 5 = UART B
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// 7 = UART error
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// 12 = GPT (general purpose timer)
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// 13 = RTC (realtime clock)
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// 15 = watchdog
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// The vector used by the Real time clock
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#define CYGNUM_HAL_INTERRUPT_RTC CYGNUM_HAL_INTERRUPT_13
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/* These must be accessed word-wide to work! */
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#define SPARC_MEC_INTCON (0x01f80000)
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#define SPARC_MEC_INTCON_PENDING (SPARC_MEC_INTCON + 0x48)
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#define SPARC_MEC_INTCON_MASK (SPARC_MEC_INTCON + 0x4c)
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#define SPARC_MEC_INTCON_CLEAR (SPARC_MEC_INTCON + 0x50)
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#define SPARC_MEC_INTCON_FORCE (SPARC_MEC_INTCON + 0x54)
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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_MEC_INTCON_MASK, _mask_ ); \
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_mask_ |= ( 1 << (_vector_) ); \
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HAL_WRITE_UINT32(SPARC_MEC_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_MEC_INTCON_MASK, _mask_ ); \
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_mask_ &=~ ( 1 << (_vector_) ); \
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HAL_WRITE_UINT32( SPARC_MEC_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_ ) 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_MEC_INTCON_CLEAR, ( 1 << (_vector_) ) ); \
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HAL_RESTORE_INTERRUPTS( _traps_ ); \
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CYG_MACRO_END
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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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