--- /dev/null
+/******************************************************************************
+*
+* XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS"
+* AS A COURTESY TO YOU, SOLELY FOR USE IN DEVELOPING PROGRAMS AND
+* SOLUTIONS FOR XILINX DEVICES. BY PROVIDING THIS DESIGN, CODE,
+* OR INFORMATION AS ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE,
+* APPLICATION OR STANDARD, XILINX IS MAKING NO REPRESENTATION
+* THAT THIS IMPLEMENTATION IS FREE FROM ANY CLAIMS OF INFRINGEMENT,
+* AND YOU ARE RESPONSIBLE FOR OBTAINING ANY RIGHTS YOU MAY REQUIRE
+* FOR YOUR IMPLEMENTATION. XILINX EXPRESSLY DISCLAIMS ANY
+* WARRANTY WHATSOEVER WITH RESPECT TO THE ADEQUACY OF THE
+* IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OR
+* REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE FROM CLAIMS OF
+* INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+* FOR A PARTICULAR PURPOSE.
+*
+* (c) Copyright 2002-2008 Xilinx Inc.
+* All rights reserved.
+*
+******************************************************************************/
+/*****************************************************************************/
+/**
+*
+* @file xenv_standalone.h
+*
+* Defines common services specified by xenv.h.
+*
+* @note
+* This file is not intended to be included directly by driver code.
+* Instead, the generic xenv.h file is intended to be included by driver
+* code.
+*
+* <pre>
+* MODIFICATION HISTORY:
+*
+* Ver Who Date Changes
+* ----- ---- -------- -----------------------------------------------
+* 1.00a wgr 02/28/07 Added cache handling macros.
+* 1.00a wgr 02/27/07 Simplified code. Deprecated old-style macro names.
+* 1.00a rmm 01/24/06 Implemented XENV_USLEEP. Assume implementation is being
+* used under Xilinx standalone BSP.
+* 1.00a xd 11/03/04 Improved support for doxygen.
+* 1.00a rmm 03/21/02 First release
+* 1.00a wgr 03/22/07 Converted to new coding style.
+* 1.00a rpm 06/29/07 Added udelay macro for standalone
+* 1.00a xd 07/19/07 Included xparameters.h as XPAR_ constants are referred
+* to in MICROBLAZE section
+* 1.00a ecm 09/19/08 updated for v7.20 of Microblaze, new functionality
+*
+* </pre>
+*
+*
+******************************************************************************/
+
+#ifndef XENV_STANDALONE_H
+#define XENV_STANDALONE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/***************************** Include Files *********************************/
+/******************************************************************************
+ *
+ * Get the processor dependent includes
+ *
+ ******************************************************************************/
+
+#include <string.h>
+
+#if defined __MICROBLAZE__
+# include "mb_interface.h"
+# include "xparameters.h" /* XPAR constants used below in MB section */
+
+#elif defined __PPC__
+# include "sleep.h"
+# include "xcache_l.h" /* also include xcache_l.h for caching macros */
+#endif
+
+/******************************************************************************
+ *
+ * MEMCPY / MEMSET related macros.
+ *
+ * The following are straight forward implementations of memset and memcpy.
+ *
+ * NOTE: memcpy may not work if source and target memory area are overlapping.
+ *
+ ******************************************************************************/
+/*****************************************************************************/
+/**
+ *
+ * Copies a non-overlapping block of memory.
+ *
+ * @param DestPtr
+ * Destination address to copy data to.
+ *
+ * @param SrcPtr
+ * Source address to copy data from.
+ *
+ * @param Bytes
+ * Number of bytes to copy.
+ *
+ * @return None.
+ *
+ * @note
+ * The use of XENV_MEM_COPY is deprecated. Use memcpy() instead.
+ *
+ * @note
+ * This implemention MAY BREAK work if source and target memory
+ * area are overlapping.
+ *
+ *****************************************************************************/
+
+#define XENV_MEM_COPY(DestPtr, SrcPtr, Bytes) \
+ memcpy((void *) DestPtr, (const void *) SrcPtr, (size_t) Bytes)
+
+
+
+/*****************************************************************************/
+/**
+ *
+ * Fills an area of memory with constant data.
+ *
+ * @param DestPtr
+ * Destination address to copy data to.
+ *
+ * @param Data
+ * Value to set.
+ *
+ * @param Bytes
+ * Number of bytes to copy.
+ *
+ * @return None.
+ *
+ * @note
+ * The use of XENV_MEM_FILL is deprecated. Use memset() instead.
+ *
+ *****************************************************************************/
+
+#define XENV_MEM_FILL(DestPtr, Data, Bytes) \
+ memset((void *) DestPtr, (int) Data, (size_t) Bytes)
+
+
+
+/******************************************************************************
+ *
+ * TIME related macros
+ *
+ ******************************************************************************/
+
+/**
+ * A structure that contains a time stamp used by other time stamp macros
+ * defined below. This structure is processor dependent.
+ */
+typedef int XENV_TIME_STAMP;
+
+/*****************************************************************************/
+/**
+ *
+ * Time is derived from the 64 bit PPC timebase register
+ *
+ * @param StampPtr is the storage for the retrieved time stamp.
+ *
+ * @return None.
+ *
+ * @note
+ *
+ * Signature: void XENV_TIME_STAMP_GET(XTIME_STAMP *StampPtr)
+ * <br><br>
+ * This macro must be implemented by the user.
+ *
+ *****************************************************************************/
+#define XENV_TIME_STAMP_GET(StampPtr)
+
+/*****************************************************************************/
+/**
+ *
+ * This macro is not yet implemented and always returns 0.
+ *
+ * @param Stamp1Ptr is the first sampled time stamp.
+ * @param Stamp2Ptr is the second sampled time stamp.
+ *
+ * @return 0
+ *
+ * @note
+ *
+ * This macro must be implemented by the user.
+ *
+ *****************************************************************************/
+#define XENV_TIME_STAMP_DELTA_US(Stamp1Ptr, Stamp2Ptr) (0)
+
+/*****************************************************************************/
+/**
+ *
+ * This macro is not yet implemented and always returns 0.
+ *
+ * @param Stamp1Ptr is the first sampled time stamp.
+ * @param Stamp2Ptr is the second sampled time stamp.
+ *
+ * @return 0
+ *
+ * @note
+ *
+ * This macro must be implemented by the user.
+ *
+ *****************************************************************************/
+#define XENV_TIME_STAMP_DELTA_MS(Stamp1Ptr, Stamp2Ptr) (0)
+
+/*****************************************************************************/
+/**
+ * XENV_USLEEP(unsigned delay)
+ *
+ * Delay the specified number of microseconds. Not implemented without OS
+ * support.
+ *
+ * @param delay
+ * Number of microseconds to delay.
+ *
+ * @return None.
+ *
+ *****************************************************************************/
+
+#ifdef __PPC__
+#define XENV_USLEEP(delay) usleep(delay)
+#define udelay(delay) usleep(delay)
+#else
+#define XENV_USLEEP(delay)
+#define udelay(delay)
+#endif
+
+
+/******************************************************************************
+ *
+ * CACHE handling macros / mappings
+ *
+ ******************************************************************************/
+/******************************************************************************
+ *
+ * Processor independent macros
+ *
+ ******************************************************************************/
+
+#define XCACHE_ENABLE_CACHE() \
+ { XCACHE_ENABLE_DCACHE(); XCACHE_ENABLE_ICACHE(); }
+
+#define XCACHE_DISABLE_CACHE() \
+ { XCACHE_DISABLE_DCACHE(); XCACHE_DISABLE_ICACHE(); }
+
+
+/******************************************************************************
+ *
+ * MicroBlaze case
+ *
+ * NOTE: Currently the following macros will only work on systems that contain
+ * only ONE MicroBlaze processor. Also, the macros will only be enabled if the
+ * system is built using a xparameters.h file.
+ *
+ ******************************************************************************/
+
+#if defined __MICROBLAZE__
+
+/* Check if MicroBlaze data cache was built into the core.
+ */
+#if (XPAR_MICROBLAZE_USE_DCACHE == 1)
+# define XCACHE_ENABLE_DCACHE() microblaze_enable_dcache()
+# define XCACHE_DISABLE_DCACHE() microblaze_disable_dcache()
+# define XCACHE_INVALIDATE_DCACHE() microblaze_invalidate_dcache()
+
+# define XCACHE_INVALIDATE_DCACHE_RANGE(Addr, Len) \
+ microblaze_invalidate_dcache_range((int)(Addr), (int)(Len))
+
+#if (XPAR_MICROBLAZE_DCACHE_USE_WRITEBACK == 1)
+# define XCACHE_FLUSH_DCACHE() microblaze_flush_dcache()
+# define XCACHE_FLUSH_DCACHE_RANGE(Addr, Len) \
+ microblaze_flush_dcache_range((int)(Addr), (int)(Len))
+#else
+# define XCACHE_FLUSH_DCACHE() microblaze_invalidate_dcache()
+# define XCACHE_FLUSH_DCACHE_RANGE(Addr, Len) \
+ microblaze_invalidate_dcache_range((int)(Addr), (int)(Len))
+#endif /*XPAR_MICROBLAZE_DCACHE_USE_WRITEBACK*/
+
+#else
+# define XCACHE_ENABLE_DCACHE()
+# define XCACHE_DISABLE_DCACHE()
+# define XCACHE_INVALIDATE_DCACHE_RANGE(Addr, Len)
+# define XCACHE_FLUSH_DCACHE_RANGE(Addr, Len)
+#endif /*XPAR_MICROBLAZE_USE_DCACHE*/
+
+
+/* Check if MicroBlaze instruction cache was built into the core.
+ */
+#if (XPAR_MICROBLAZE_USE_ICACHE == 1)
+# define XCACHE_ENABLE_ICACHE() microblaze_enable_icache()
+# define XCACHE_DISABLE_ICACHE() microblaze_disable_icache()
+
+# define XCACHE_INVALIDATE_ICACHE() microblaze_invalidate_icache()
+
+# define XCACHE_INVALIDATE_ICACHE_RANGE(Addr, Len) \
+ microblaze_invalidate_icache_range((int)(Addr), (int)(Len))
+
+#else
+# define XCACHE_ENABLE_ICACHE()
+# define XCACHE_DISABLE_ICACHE()
+#endif /*XPAR_MICROBLAZE_USE_ICACHE*/
+
+
+/******************************************************************************
+ *
+ * PowerPC case
+ *
+ * Note that the XCACHE_ENABLE_xxx functions are hardcoded to enable a
+ * specific memory region (0x80000001). Each bit (0-30) in the regions
+ * bitmask stands for 128MB of memory. Bit 31 stands for the upper 2GB
+ * range.
+ *
+ * regions --> cached address range
+ * ------------|--------------------------------------------------
+ * 0x80000000 | [0, 0x7FFFFFF]
+ * 0x00000001 | [0xF8000000, 0xFFFFFFFF]
+ * 0x80000001 | [0, 0x7FFFFFF],[0xF8000000, 0xFFFFFFFF]
+ *
+ ******************************************************************************/
+
+#elif defined __PPC__
+
+#define XCACHE_ENABLE_DCACHE() XCache_EnableDCache(0x80000001)
+#define XCACHE_DISABLE_DCACHE() XCache_DisableDCache()
+#define XCACHE_ENABLE_ICACHE() XCache_EnableICache(0x80000001)
+#define XCACHE_DISABLE_ICACHE() XCache_DisableICache()
+
+#define XCACHE_INVALIDATE_DCACHE_RANGE(Addr, Len) \
+ XCache_InvalidateDCacheRange((unsigned int)(Addr), (unsigned)(Len))
+
+#define XCACHE_FLUSH_DCACHE_RANGE(Addr, Len) \
+ XCache_FlushDCacheRange((unsigned int)(Addr), (unsigned)(Len))
+
+#define XCACHE_INVALIDATE_ICACHE() XCache_InvalidateICache()
+
+
+/******************************************************************************
+ *
+ * Unknown processor / architecture
+ *
+ ******************************************************************************/
+
+#else
+/* #error "Unknown processor / architecture. Must be MicroBlaze or PowerPC." */
+#endif
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* #ifndef XENV_STANDALONE_H */
+
projects / freertos / blobdiff