From 28011391a8f5ed1cfd5b289ab3a016e4da69f772 Mon Sep 17 00:00:00 2001 From: oharboe Date: Mon, 5 May 2008 18:31:21 +0000 Subject: * added eCos HAL for ZPU zpu/zpu/sw/ecos/repository --- .../hal/zylin/zpu/var/current/include/hal_cache.h | 192 +++++++++++++++++++++ 1 file changed, 192 insertions(+) create mode 100644 zpu/sw/ecos/repository/hal/zylin/zpu/var/current/include/hal_cache.h (limited to 'zpu/sw/ecos/repository/hal/zylin/zpu/var/current/include/hal_cache.h') diff --git a/zpu/sw/ecos/repository/hal/zylin/zpu/var/current/include/hal_cache.h b/zpu/sw/ecos/repository/hal/zylin/zpu/var/current/include/hal_cache.h new file mode 100644 index 0000000..d3fef4f --- /dev/null +++ b/zpu/sw/ecos/repository/hal/zylin/zpu/var/current/include/hal_cache.h @@ -0,0 +1,192 @@ +#ifndef CYGONCE_HAL_CACHE_H +#define CYGONCE_HAL_CACHE_H + +//============================================================================= +// +// hal_cache.h +// +// HAL cache control API +// +//============================================================================= +//####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 +// Contributors: nickg, gthomas +// Date: 1998-09-28 +// Purpose: Cache control API +// Description: The macros defined here provide the HAL APIs for handling +// cache control operations. +// Usage: +// #include +// ... +// +// +//####DESCRIPTIONEND#### +// +//============================================================================= + +#include + +//----------------------------------------------------------------------------- +// Cache dimensions + +// Data cache +//#define HAL_DCACHE_SIZE 0 // Size of data cache in bytes +//#define HAL_DCACHE_LINE_SIZE 0 // Size of a data cache line +//#define HAL_DCACHE_WAYS 0 // Associativity of the cache + +// Instruction cache +//#define HAL_ICACHE_SIZE 0 // Size of cache in bytes +//#define HAL_ICACHE_LINE_SIZE 0 // Size of a cache line +//#define HAL_ICACHE_WAYS 0 // Associativity of the cache + +//#define HAL_DCACHE_SETS (HAL_DCACHE_SIZE/(HAL_DCACHE_LINE_SIZE*HAL_DCACHE_WAYS)) +//#define HAL_ICACHE_SETS (HAL_ICACHE_SIZE/(HAL_ICACHE_LINE_SIZE*HAL_ICACHE_WAYS)) + +//----------------------------------------------------------------------------- +// Global control of data cache + +// Enable the data cache +#define HAL_DCACHE_ENABLE() + +// Disable the data cache +#define HAL_DCACHE_DISABLE() + +// Invalidate the entire cache +#define HAL_DCACHE_INVALIDATE_ALL() + +// Synchronize the contents of the cache with memory. +#define HAL_DCACHE_SYNC() + +// Purge contents of data cache +#define HAL_DCACHE_PURGE_ALL() + +// Query the state of the data cache (does not affect the caching) +#define HAL_DCACHE_IS_ENABLED(_state_) \ + CYG_MACRO_START \ + (_state_) = 0; \ + CYG_MACRO_END + +// Set the data cache refill burst size +//#define HAL_DCACHE_BURST_SIZE(_size_) + +// Set the data cache write mode +//#define HAL_DCACHE_WRITE_MODE( _mode_ ) + +//#define HAL_DCACHE_WRITETHRU_MODE 0 +//#define HAL_DCACHE_WRITEBACK_MODE 1 + +// Load the contents of the given address range into the data cache +// and then lock the cache so that it stays there. +//#define HAL_DCACHE_LOCK(_base_, _size_) + +// Undo a previous lock operation +//#define HAL_DCACHE_UNLOCK(_base_, _size_) + +// Unlock entire cache +//#define HAL_DCACHE_UNLOCK_ALL() + +//----------------------------------------------------------------------------- +// Data cache line control + +// Allocate cache lines for the given address range without reading its +// contents from memory. +//#define HAL_DCACHE_ALLOCATE( _base_ , _size_ ) + +// Write dirty cache lines to memory and invalidate the cache entries +// for the given address range. +//#define HAL_DCACHE_FLUSH( _base_ , _size_ ) + +// Invalidate cache lines in the given range without writing to memory. +//#define HAL_DCACHE_INVALIDATE( _base_ , _size_ ) + +// Write dirty cache lines to memory for the given address range. +//#define HAL_DCACHE_STORE( _base_ , _size_ ) + +// Preread the given range into the cache with the intention of reading +// from it later. +//#define HAL_DCACHE_READ_HINT( _base_ , _size_ ) + +// Preread the given range into the cache with the intention of writing +// to it later. +//#define HAL_DCACHE_WRITE_HINT( _base_ , _size_ ) + +// Allocate and zero the cache lines associated with the given range. +//#define HAL_DCACHE_ZERO( _base_ , _size_ ) + +//----------------------------------------------------------------------------- +// Global control of Instruction cache + +// Enable the instruction cache +#define HAL_ICACHE_ENABLE() + +// Disable the instruction cache +#define HAL_ICACHE_DISABLE() + +// Invalidate the entire cache +#define HAL_ICACHE_INVALIDATE_ALL() + +// Synchronize the contents of the cache with memory. +#define HAL_ICACHE_SYNC() + +// Query the state of the instruction cache (does not affect the caching) +#define HAL_ICACHE_IS_ENABLED(_state_) \ + CYG_MACRO_START \ + (_state_) = 0; \ + CYG_MACRO_END + +// Set the instruction cache refill burst size +//#define HAL_ICACHE_BURST_SIZE(_size_) + +// Load the contents of the given address range into the instruction cache +// and then lock the cache so that it stays there. +//#define HAL_ICACHE_LOCK(_base_, _size_) + +// Undo a previous lock operation +//#define HAL_ICACHE_UNLOCK(_base_, _size_) + +// Unlock entire cache +//#define HAL_ICACHE_UNLOCK_ALL() + +//----------------------------------------------------------------------------- +// Instruction cache line control + +// Invalidate cache lines in the given range without writing to memory. +//#define HAL_ICACHE_INVALIDATE( _base_ , _size_ ) + +//----------------------------------------------------------------------------- +#endif // ifndef CYGONCE_HAL_CACHE_H +// End of hal_cache.h -- cgit v1.1