Current Path : /sys/contrib/octeon-sdk/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/contrib/octeon-sdk/cvmx-scratch.h |
/***********************license start*************** * Copyright (c) 2003-2010 Cavium Networks (support@cavium.com). All rights * reserved. * * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials provided * with the distribution. * * Neither the name of Cavium Networks nor the names of * its contributors may be used to endorse or promote products * derived from this software without specific prior written * permission. * This Software, including technical data, may be subject to U.S. export control * laws, including the U.S. Export Administration Act and its associated * regulations, and may be subject to export or import regulations in other * countries. * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS" * AND WITH ALL FAULTS AND CAVIUM NETWORKS MAKES NO PROMISES, REPRESENTATIONS OR * WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO * THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR * DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM * SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE, * MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF * VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR * CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR * PERFORMANCE OF THE SOFTWARE LIES WITH YOU. ***********************license end**************************************/ /** * @file * * This file provides support for the processor local scratch memory. * Scratch memory is byte addressable - all addresses are byte addresses. * * * <hr>$Revision: 49448 $<hr> * * */ #ifndef __CVMX_SCRATCH_H__ #define __CVMX_SCRATCH_H__ #ifdef __cplusplus extern "C" { #endif /* Note: This define must be a long, not a long long in order to compile without warnings for both 32bit and 64bit. */ #define CVMX_SCRATCH_BASE (-32768l) /* 0xffffffffffff8000 */ /** * Reads an 8 bit value from the processor local scratchpad memory. * * @param address byte address to read from * * @return value read */ static inline uint8_t cvmx_scratch_read8(uint64_t address) { return *CASTPTR(volatile uint8_t, CVMX_SCRATCH_BASE + address); } /** * Reads a 16 bit value from the processor local scratchpad memory. * * @param address byte address to read from * * @return value read */ static inline uint16_t cvmx_scratch_read16(uint64_t address) { return *CASTPTR(volatile uint16_t, CVMX_SCRATCH_BASE + address); } /** * Reads a 32 bit value from the processor local scratchpad memory. * * @param address byte address to read from * * @return value read */ static inline uint32_t cvmx_scratch_read32(uint64_t address) { return *CASTPTR(volatile uint32_t, CVMX_SCRATCH_BASE + address); } /** * Reads a 64 bit value from the processor local scratchpad memory. * * @param address byte address to read from * * @return value read */ static inline uint64_t cvmx_scratch_read64(uint64_t address) { return *CASTPTR(volatile uint64_t, CVMX_SCRATCH_BASE + address); } /** * Writes an 8 bit value to the processor local scratchpad memory. * * @param address byte address to write to * @param value value to write */ static inline void cvmx_scratch_write8(uint64_t address, uint64_t value) { *CASTPTR(volatile uint8_t, CVMX_SCRATCH_BASE + address) = (uint8_t)value; } /** * Writes a 32 bit value to the processor local scratchpad memory. * * @param address byte address to write to * @param value value to write */ static inline void cvmx_scratch_write16(uint64_t address, uint64_t value) { *CASTPTR(volatile uint16_t, CVMX_SCRATCH_BASE + address) = (uint16_t)value; } /** * Writes a 16 bit value to the processor local scratchpad memory. * * @param address byte address to write to * @param value value to write */ static inline void cvmx_scratch_write32(uint64_t address, uint64_t value) { *CASTPTR(volatile uint32_t, CVMX_SCRATCH_BASE + address) = (uint32_t)value; } /** * Writes a 64 bit value to the processor local scratchpad memory. * * @param address byte address to write to * @param value value to write */ static inline void cvmx_scratch_write64(uint64_t address, uint64_t value) { *CASTPTR(volatile uint64_t, CVMX_SCRATCH_BASE + address) = value; } #ifdef __cplusplus } #endif #endif /* __CVMX_SCRATCH_H__ */