219d14fe5f
Executive is a library that can be used by standalone applications and kernels to abstract access to Octeon SoC and board-specific hardware and facilities. The FreeBSD port to Octeon will be updated to use this where possible.
197 lines
5.9 KiB
C
197 lines
5.9 KiB
C
/***********************license start***************
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* Copyright (c) 2003-2008 Cavium Networks (support@cavium.com). All rights
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* reserved.
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*
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* * Neither the name of Cavium Networks nor the names of
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* its contributors may be used to endorse or promote products
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* derived from this software without specific prior written
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* permission.
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*
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* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
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* AND WITH ALL FAULTS AND CAVIUM NETWORKS MAKES NO PROMISES, REPRESENTATIONS
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* OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH
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* RESPECT TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
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* REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
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* DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES
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* OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR
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* PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET
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* POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT
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* OF USE OR PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
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*
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*
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* For any questions regarding licensing please contact marketing@caviumnetworks.com
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*
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***********************license end**************************************/
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/**
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* @file
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*
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* This file is resposible for including all system dependent
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* headers for the cvmx-* files.
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*
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* <hr>$Revision: 41586 $<hr>
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*/
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#ifndef __CVMX_PLATFORM_H__
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#define __CVMX_PLATFORM_H__
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#include "cvmx-abi.h"
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#ifdef __cplusplus
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#define EXTERN_ASM extern "C"
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#else
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#define EXTERN_ASM extern
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#endif
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/* This file defines macros for use in determining the current
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building environment. It defines a single CVMX_BUILD_FOR_*
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macro representing the target of the build. The current
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possibilities are:
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CVMX_BUILD_FOR_UBOOT
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CVMX_BUILD_FOR_LINUX_KERNEL
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CVMX_BUILD_FOR_LINUX_USER
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CVMX_BUILD_FOR_LINUX_HOST
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CVMX_BUILD_FOR_VXWORKS
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CVMX_BUILD_FOR_STANDALONE */
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#if defined(__U_BOOT__)
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/* We are being used inside of Uboot */
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#define CVMX_BUILD_FOR_UBOOT
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#elif defined(__linux__)
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#if defined(__KERNEL__)
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/* We are in the Linux kernel on Octeon */
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#define CVMX_BUILD_FOR_LINUX_KERNEL
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#elif !defined(__mips__)
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/* We are being used under Linux but not on Octeon. Assume
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we are on a Linux host with an Octeon target over PCI/PCIe */
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#ifndef CVMX_BUILD_FOR_LINUX_HOST
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#define CVMX_BUILD_FOR_LINUX_HOST
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#endif
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#else
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#ifdef CVMX_BUILD_FOR_LINUX_HOST
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/* This is a manual special case. The host PCI utilities can
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be configured to run on Octeon. In this case it is impossible
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to tell the difference between the normal userspace setup
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and using cvmx_read/write_csr over the PCI bus. The host
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utilites force this define to fix this */
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#else
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/* We are in the Linux userspace on Octeon */
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#define CVMX_BUILD_FOR_LINUX_USER
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#endif
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#endif
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#elif defined(_WRS_KERNEL) || defined(VXWORKS_USER_MAPPINGS)
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/* We are in VxWorks on Octeon */
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#define CVMX_BUILD_FOR_VXWORKS
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#elif defined(_OCTEON_TOOLCHAIN_RUNTIME)
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/* To build the simple exec toolchain runtime (newlib) library. We
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should only use features available on all Octeon models. */
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#define CVMX_BUILD_FOR_TOOLCHAIN
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#else
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/* We are building a simple exec standalone image for Octeon */
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#define CVMX_BUILD_FOR_STANDALONE
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#endif
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/* To have a global variable be shared among all cores,
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* declare with the CVMX_SHARED attribute. Ex:
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* CVMX_SHARED int myglobal;
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* This will cause the variable to be placed in a special
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* section that the loader will map as shared for all cores
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* This is for data structures use by software ONLY,
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* as it is not 1-1 VA-PA mapped.
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*/
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#define CVMX_SHARED __attribute__ ((cvmx_shared))
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#if defined(CVMX_BUILD_FOR_UBOOT)
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#include <common.h>
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#include "cvmx-sysinfo.h"
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#elif defined(CVMX_BUILD_FOR_LINUX_KERNEL)
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#include <linux/kernel.h>
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#include <linux/string.h>
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#include <linux/types.h>
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#include <stdarg.h>
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#elif defined(CVMX_BUILD_FOR_LINUX_USER)
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#include <stddef.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#include <assert.h>
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#include <fcntl.h>
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#include <sys/mman.h>
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#include <unistd.h>
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#elif defined(CVMX_BUILD_FOR_LINUX_HOST)
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#include <stddef.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#include <assert.h>
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#include <fcntl.h>
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#include <sys/mman.h>
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#include <unistd.h>
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#elif defined(CVMX_BUILD_FOR_VXWORKS)
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#include <assert.h>
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#elif defined(CVMX_BUILD_FOR_STANDALONE)
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#include <stddef.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#include <assert.h>
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#elif defined(CVMX_BUILD_FOR_TOOLCHAIN)
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#include <stddef.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#include <assert.h>
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#else
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#error Unexpected CVMX_BUILD_FOR_* macro
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#endif
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#endif /* __CVMX_PLATFORM_H__ */
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