503 строки
14 KiB
C
503 строки
14 KiB
C
/*
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* Copyright (C) 2000, 2001, 2002 Broadcom Corporation
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License 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 this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* *********************************************************************
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*
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* Broadcom Common Firmware Environment (CFE)
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*
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* Device Function stubs File: cfe_api.c
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*
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* This module contains device function stubs (small routines to
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* call the standard "iocb" interface entry point to CFE).
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* There should be one routine here per iocb function call.
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*
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* Authors: Mitch Lichtenberg, Chris Demetriou
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*
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********************************************************************* */
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#include "cfe_api.h"
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#include "cfe_api_int.h"
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/* Cast from a native pointer to a cfe_xptr_t and back. */
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#define XPTR_FROM_NATIVE(n) ((cfe_xptr_t) (intptr_t) (n))
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#define NATIVE_FROM_XPTR(x) ((void *) (intptr_t) (x))
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#ifdef CFE_API_IMPL_NAMESPACE
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#define cfe_iocb_dispatch(a) __cfe_iocb_dispatch(a)
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#endif
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int cfe_iocb_dispatch(cfe_xiocb_t * xiocb);
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#if defined(CFE_API_common) || defined(CFE_API_ALL)
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/*
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* Declare the dispatch function with args of "intptr_t".
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* This makes sure whatever model we're compiling in
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* puts the pointers in a single register. For example,
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* combining -mlong64 and -mips1 or -mips2 would lead to
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* trouble, since the handle and IOCB pointer will be
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* passed in two registers each, and CFE expects one.
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*/
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static int (*cfe_dispfunc) (intptr_t handle, intptr_t xiocb) = 0;
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static cfe_xuint_t cfe_handle = 0;
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int cfe_init(cfe_xuint_t handle, cfe_xuint_t ept)
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{
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cfe_dispfunc = NATIVE_FROM_XPTR(ept);
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cfe_handle = handle;
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return 0;
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}
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int cfe_iocb_dispatch(cfe_xiocb_t * xiocb)
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{
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if (!cfe_dispfunc)
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return -1;
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return (*cfe_dispfunc) ((intptr_t) cfe_handle, (intptr_t) xiocb);
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}
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#endif /* CFE_API_common || CFE_API_ALL */
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#if defined(CFE_API_close) || defined(CFE_API_ALL)
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int cfe_close(int handle)
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{
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cfe_xiocb_t xiocb;
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xiocb.xiocb_fcode = CFE_CMD_DEV_CLOSE;
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xiocb.xiocb_status = 0;
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xiocb.xiocb_handle = handle;
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xiocb.xiocb_flags = 0;
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xiocb.xiocb_psize = 0;
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cfe_iocb_dispatch(&xiocb);
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return xiocb.xiocb_status;
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}
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#endif /* CFE_API_close || CFE_API_ALL */
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#if defined(CFE_API_cpu_start) || defined(CFE_API_ALL)
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int cfe_cpu_start(int cpu, void (*fn) (void), long sp, long gp, long a1)
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{
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cfe_xiocb_t xiocb;
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xiocb.xiocb_fcode = CFE_CMD_FW_CPUCTL;
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xiocb.xiocb_status = 0;
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xiocb.xiocb_handle = 0;
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xiocb.xiocb_flags = 0;
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xiocb.xiocb_psize = sizeof(xiocb_cpuctl_t);
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xiocb.plist.xiocb_cpuctl.cpu_number = cpu;
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xiocb.plist.xiocb_cpuctl.cpu_command = CFE_CPU_CMD_START;
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xiocb.plist.xiocb_cpuctl.gp_val = gp;
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xiocb.plist.xiocb_cpuctl.sp_val = sp;
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xiocb.plist.xiocb_cpuctl.a1_val = a1;
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xiocb.plist.xiocb_cpuctl.start_addr = (long) fn;
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cfe_iocb_dispatch(&xiocb);
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return xiocb.xiocb_status;
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}
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#endif /* CFE_API_cpu_start || CFE_API_ALL */
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#if defined(CFE_API_cpu_stop) || defined(CFE_API_ALL)
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int cfe_cpu_stop(int cpu)
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{
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cfe_xiocb_t xiocb;
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xiocb.xiocb_fcode = CFE_CMD_FW_CPUCTL;
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xiocb.xiocb_status = 0;
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xiocb.xiocb_handle = 0;
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xiocb.xiocb_flags = 0;
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xiocb.xiocb_psize = sizeof(xiocb_cpuctl_t);
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xiocb.plist.xiocb_cpuctl.cpu_number = cpu;
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xiocb.plist.xiocb_cpuctl.cpu_command = CFE_CPU_CMD_STOP;
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cfe_iocb_dispatch(&xiocb);
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return xiocb.xiocb_status;
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}
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#endif /* CFE_API_cpu_stop || CFE_API_ALL */
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#if defined(CFE_API_enumenv) || defined(CFE_API_ALL)
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int cfe_enumenv(int idx, char *name, int namelen, char *val, int vallen)
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{
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cfe_xiocb_t xiocb;
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xiocb.xiocb_fcode = CFE_CMD_ENV_SET;
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xiocb.xiocb_status = 0;
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xiocb.xiocb_handle = 0;
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xiocb.xiocb_flags = 0;
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xiocb.xiocb_psize = sizeof(xiocb_envbuf_t);
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xiocb.plist.xiocb_envbuf.enum_idx = idx;
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xiocb.plist.xiocb_envbuf.name_ptr = XPTR_FROM_NATIVE(name);
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xiocb.plist.xiocb_envbuf.name_length = namelen;
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xiocb.plist.xiocb_envbuf.val_ptr = XPTR_FROM_NATIVE(val);
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xiocb.plist.xiocb_envbuf.val_length = vallen;
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cfe_iocb_dispatch(&xiocb);
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return xiocb.xiocb_status;
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}
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#endif /* CFE_API_enumenv || CFE_API_ALL */
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#if defined(CFE_API_enummem) || defined(CFE_API_ALL)
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int
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cfe_enummem(int idx, int flags, cfe_xuint_t * start, cfe_xuint_t * length,
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cfe_xuint_t * type)
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{
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cfe_xiocb_t xiocb;
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xiocb.xiocb_fcode = CFE_CMD_FW_MEMENUM;
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xiocb.xiocb_status = 0;
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xiocb.xiocb_handle = 0;
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xiocb.xiocb_flags = flags;
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xiocb.xiocb_psize = sizeof(xiocb_meminfo_t);
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xiocb.plist.xiocb_meminfo.mi_idx = idx;
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cfe_iocb_dispatch(&xiocb);
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if (xiocb.xiocb_status < 0)
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return xiocb.xiocb_status;
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*start = xiocb.plist.xiocb_meminfo.mi_addr;
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*length = xiocb.plist.xiocb_meminfo.mi_size;
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*type = xiocb.plist.xiocb_meminfo.mi_type;
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return 0;
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}
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#endif /* CFE_API_enummem || CFE_API_ALL */
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#if defined(CFE_API_exit) || defined(CFE_API_ALL)
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int cfe_exit(int warm, int status)
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{
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cfe_xiocb_t xiocb;
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xiocb.xiocb_fcode = CFE_CMD_FW_RESTART;
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xiocb.xiocb_status = 0;
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xiocb.xiocb_handle = 0;
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xiocb.xiocb_flags = warm ? CFE_FLG_WARMSTART : 0;
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xiocb.xiocb_psize = sizeof(xiocb_exitstat_t);
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xiocb.plist.xiocb_exitstat.status = status;
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cfe_iocb_dispatch(&xiocb);
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return xiocb.xiocb_status;
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}
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#endif /* CFE_API_exit || CFE_API_ALL */
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#if defined(CFE_API_flushcache) || defined(CFE_API_ALL)
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int cfe_flushcache(int flg)
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{
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cfe_xiocb_t xiocb;
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xiocb.xiocb_fcode = CFE_CMD_FW_FLUSHCACHE;
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xiocb.xiocb_status = 0;
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xiocb.xiocb_handle = 0;
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xiocb.xiocb_flags = flg;
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xiocb.xiocb_psize = 0;
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cfe_iocb_dispatch(&xiocb);
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return xiocb.xiocb_status;
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}
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#endif /* CFE_API_flushcache || CFE_API_ALL */
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#if defined(CFE_API_getdevinfo) || defined(CFE_API_ALL)
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int cfe_getdevinfo(char *name)
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{
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cfe_xiocb_t xiocb;
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xiocb.xiocb_fcode = CFE_CMD_DEV_GETINFO;
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xiocb.xiocb_status = 0;
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xiocb.xiocb_handle = 0;
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xiocb.xiocb_flags = 0;
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xiocb.xiocb_psize = sizeof(xiocb_buffer_t);
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xiocb.plist.xiocb_buffer.buf_offset = 0;
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xiocb.plist.xiocb_buffer.buf_ptr = XPTR_FROM_NATIVE(name);
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xiocb.plist.xiocb_buffer.buf_length = cfe_strlen(name);
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cfe_iocb_dispatch(&xiocb);
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if (xiocb.xiocb_status < 0)
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return xiocb.xiocb_status;
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return xiocb.plist.xiocb_buffer.buf_devflags;
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}
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#endif /* CFE_API_getdevinfo || CFE_API_ALL */
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#if defined(CFE_API_getenv) || defined(CFE_API_ALL)
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int cfe_getenv(char *name, char *dest, int destlen)
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{
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cfe_xiocb_t xiocb;
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*dest = 0;
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xiocb.xiocb_fcode = CFE_CMD_ENV_GET;
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xiocb.xiocb_status = 0;
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xiocb.xiocb_handle = 0;
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xiocb.xiocb_flags = 0;
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xiocb.xiocb_psize = sizeof(xiocb_envbuf_t);
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xiocb.plist.xiocb_envbuf.enum_idx = 0;
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xiocb.plist.xiocb_envbuf.name_ptr = XPTR_FROM_NATIVE(name);
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xiocb.plist.xiocb_envbuf.name_length = cfe_strlen(name);
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xiocb.plist.xiocb_envbuf.val_ptr = XPTR_FROM_NATIVE(dest);
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xiocb.plist.xiocb_envbuf.val_length = destlen;
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cfe_iocb_dispatch(&xiocb);
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return xiocb.xiocb_status;
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}
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#endif /* CFE_API_getenv || CFE_API_ALL */
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#if defined(CFE_API_getfwinfo) || defined(CFE_API_ALL)
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int cfe_getfwinfo(cfe_fwinfo_t * info)
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{
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cfe_xiocb_t xiocb;
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xiocb.xiocb_fcode = CFE_CMD_FW_GETINFO;
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xiocb.xiocb_status = 0;
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xiocb.xiocb_handle = 0;
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xiocb.xiocb_flags = 0;
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xiocb.xiocb_psize = sizeof(xiocb_fwinfo_t);
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cfe_iocb_dispatch(&xiocb);
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if (xiocb.xiocb_status < 0)
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return xiocb.xiocb_status;
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info->fwi_version = xiocb.plist.xiocb_fwinfo.fwi_version;
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info->fwi_totalmem = xiocb.plist.xiocb_fwinfo.fwi_totalmem;
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info->fwi_flags = xiocb.plist.xiocb_fwinfo.fwi_flags;
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info->fwi_boardid = xiocb.plist.xiocb_fwinfo.fwi_boardid;
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info->fwi_bootarea_va = xiocb.plist.xiocb_fwinfo.fwi_bootarea_va;
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info->fwi_bootarea_pa = xiocb.plist.xiocb_fwinfo.fwi_bootarea_pa;
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info->fwi_bootarea_size =
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xiocb.plist.xiocb_fwinfo.fwi_bootarea_size;
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#if 0
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info->fwi_reserved1 = xiocb.plist.xiocb_fwinfo.fwi_reserved1;
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info->fwi_reserved2 = xiocb.plist.xiocb_fwinfo.fwi_reserved2;
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info->fwi_reserved3 = xiocb.plist.xiocb_fwinfo.fwi_reserved3;
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#endif
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return 0;
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}
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#endif /* CFE_API_getfwinfo || CFE_API_ALL */
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#if defined(CFE_API_getstdhandle) || defined(CFE_API_ALL)
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int cfe_getstdhandle(int flg)
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{
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cfe_xiocb_t xiocb;
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xiocb.xiocb_fcode = CFE_CMD_DEV_GETHANDLE;
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xiocb.xiocb_status = 0;
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xiocb.xiocb_handle = 0;
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xiocb.xiocb_flags = flg;
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xiocb.xiocb_psize = 0;
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cfe_iocb_dispatch(&xiocb);
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if (xiocb.xiocb_status < 0)
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return xiocb.xiocb_status;
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return xiocb.xiocb_handle;
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}
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#endif /* CFE_API_getstdhandle || CFE_API_ALL */
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#if defined(CFE_API_getticks) || defined(CFE_API_ALL)
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int64_t
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#ifdef CFE_API_IMPL_NAMESPACE
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__cfe_getticks(void)
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#else
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cfe_getticks(void)
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#endif
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{
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cfe_xiocb_t xiocb;
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xiocb.xiocb_fcode = CFE_CMD_FW_GETTIME;
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xiocb.xiocb_status = 0;
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xiocb.xiocb_handle = 0;
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xiocb.xiocb_flags = 0;
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xiocb.xiocb_psize = sizeof(xiocb_time_t);
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xiocb.plist.xiocb_time.ticks = 0;
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cfe_iocb_dispatch(&xiocb);
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return xiocb.plist.xiocb_time.ticks;
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}
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#endif /* CFE_API_getticks || CFE_API_ALL */
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#if defined(CFE_API_inpstat) || defined(CFE_API_ALL)
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int cfe_inpstat(int handle)
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{
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cfe_xiocb_t xiocb;
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xiocb.xiocb_fcode = CFE_CMD_DEV_INPSTAT;
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xiocb.xiocb_status = 0;
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xiocb.xiocb_handle = handle;
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xiocb.xiocb_flags = 0;
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xiocb.xiocb_psize = sizeof(xiocb_inpstat_t);
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xiocb.plist.xiocb_inpstat.inp_status = 0;
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cfe_iocb_dispatch(&xiocb);
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if (xiocb.xiocb_status < 0)
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return xiocb.xiocb_status;
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return xiocb.plist.xiocb_inpstat.inp_status;
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}
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#endif /* CFE_API_inpstat || CFE_API_ALL */
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#if defined(CFE_API_ioctl) || defined(CFE_API_ALL)
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int
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cfe_ioctl(int handle, unsigned int ioctlnum, unsigned char *buffer,
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int length, int *retlen, cfe_xuint_t offset)
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{
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cfe_xiocb_t xiocb;
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xiocb.xiocb_fcode = CFE_CMD_DEV_IOCTL;
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xiocb.xiocb_status = 0;
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xiocb.xiocb_handle = handle;
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xiocb.xiocb_flags = 0;
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xiocb.xiocb_psize = sizeof(xiocb_buffer_t);
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xiocb.plist.xiocb_buffer.buf_offset = offset;
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xiocb.plist.xiocb_buffer.buf_ioctlcmd = ioctlnum;
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xiocb.plist.xiocb_buffer.buf_ptr = XPTR_FROM_NATIVE(buffer);
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xiocb.plist.xiocb_buffer.buf_length = length;
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cfe_iocb_dispatch(&xiocb);
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if (retlen)
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*retlen = xiocb.plist.xiocb_buffer.buf_retlen;
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return xiocb.xiocb_status;
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}
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#endif /* CFE_API_ioctl || CFE_API_ALL */
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#if defined(CFE_API_open) || defined(CFE_API_ALL)
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int cfe_open(char *name)
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{
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cfe_xiocb_t xiocb;
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xiocb.xiocb_fcode = CFE_CMD_DEV_OPEN;
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xiocb.xiocb_status = 0;
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xiocb.xiocb_handle = 0;
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xiocb.xiocb_flags = 0;
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xiocb.xiocb_psize = sizeof(xiocb_buffer_t);
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xiocb.plist.xiocb_buffer.buf_offset = 0;
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xiocb.plist.xiocb_buffer.buf_ptr = XPTR_FROM_NATIVE(name);
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xiocb.plist.xiocb_buffer.buf_length = cfe_strlen(name);
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cfe_iocb_dispatch(&xiocb);
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if (xiocb.xiocb_status < 0)
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return xiocb.xiocb_status;
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return xiocb.xiocb_handle;
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}
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#endif /* CFE_API_open || CFE_API_ALL */
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#if defined(CFE_API_read) || defined(CFE_API_ALL)
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int cfe_read(int handle, unsigned char *buffer, int length)
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{
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return cfe_readblk(handle, 0, buffer, length);
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}
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#endif /* CFE_API_read || CFE_API_ALL */
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#if defined(CFE_API_readblk) || defined(CFE_API_ALL)
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int
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cfe_readblk(int handle, cfe_xint_t offset, unsigned char *buffer,
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int length)
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{
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cfe_xiocb_t xiocb;
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xiocb.xiocb_fcode = CFE_CMD_DEV_READ;
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xiocb.xiocb_status = 0;
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xiocb.xiocb_handle = handle;
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xiocb.xiocb_flags = 0;
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xiocb.xiocb_psize = sizeof(xiocb_buffer_t);
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xiocb.plist.xiocb_buffer.buf_offset = offset;
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xiocb.plist.xiocb_buffer.buf_ptr = XPTR_FROM_NATIVE(buffer);
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xiocb.plist.xiocb_buffer.buf_length = length;
|
|
|
|
cfe_iocb_dispatch(&xiocb);
|
|
|
|
if (xiocb.xiocb_status < 0)
|
|
return xiocb.xiocb_status;
|
|
return xiocb.plist.xiocb_buffer.buf_retlen;
|
|
}
|
|
#endif /* CFE_API_readblk || CFE_API_ALL */
|
|
|
|
#if defined(CFE_API_setenv) || defined(CFE_API_ALL)
|
|
int cfe_setenv(char *name, char *val)
|
|
{
|
|
cfe_xiocb_t xiocb;
|
|
|
|
xiocb.xiocb_fcode = CFE_CMD_ENV_SET;
|
|
xiocb.xiocb_status = 0;
|
|
xiocb.xiocb_handle = 0;
|
|
xiocb.xiocb_flags = 0;
|
|
xiocb.xiocb_psize = sizeof(xiocb_envbuf_t);
|
|
xiocb.plist.xiocb_envbuf.enum_idx = 0;
|
|
xiocb.plist.xiocb_envbuf.name_ptr = XPTR_FROM_NATIVE(name);
|
|
xiocb.plist.xiocb_envbuf.name_length = cfe_strlen(name);
|
|
xiocb.plist.xiocb_envbuf.val_ptr = XPTR_FROM_NATIVE(val);
|
|
xiocb.plist.xiocb_envbuf.val_length = cfe_strlen(val);
|
|
|
|
cfe_iocb_dispatch(&xiocb);
|
|
|
|
return xiocb.xiocb_status;
|
|
}
|
|
#endif /* CFE_API_setenv || CFE_API_ALL */
|
|
|
|
#if (defined(CFE_API_strlen) || defined(CFE_API_ALL)) \
|
|
&& !defined(CFE_API_STRLEN_CUSTOM)
|
|
int cfe_strlen(char *name)
|
|
{
|
|
int count = 0;
|
|
|
|
while (*name++)
|
|
count++;
|
|
|
|
return count;
|
|
}
|
|
#endif /* CFE_API_strlen || CFE_API_ALL */
|
|
|
|
#if defined(CFE_API_write) || defined(CFE_API_ALL)
|
|
int cfe_write(int handle, unsigned char *buffer, int length)
|
|
{
|
|
return cfe_writeblk(handle, 0, buffer, length);
|
|
}
|
|
#endif /* CFE_API_write || CFE_API_ALL */
|
|
|
|
#if defined(CFE_API_writeblk) || defined(CFE_API_ALL)
|
|
int
|
|
cfe_writeblk(int handle, cfe_xint_t offset, unsigned char *buffer,
|
|
int length)
|
|
{
|
|
cfe_xiocb_t xiocb;
|
|
|
|
xiocb.xiocb_fcode = CFE_CMD_DEV_WRITE;
|
|
xiocb.xiocb_status = 0;
|
|
xiocb.xiocb_handle = handle;
|
|
xiocb.xiocb_flags = 0;
|
|
xiocb.xiocb_psize = sizeof(xiocb_buffer_t);
|
|
xiocb.plist.xiocb_buffer.buf_offset = offset;
|
|
xiocb.plist.xiocb_buffer.buf_ptr = XPTR_FROM_NATIVE(buffer);
|
|
xiocb.plist.xiocb_buffer.buf_length = length;
|
|
|
|
cfe_iocb_dispatch(&xiocb);
|
|
|
|
if (xiocb.xiocb_status < 0)
|
|
return xiocb.xiocb_status;
|
|
return xiocb.plist.xiocb_buffer.buf_retlen;
|
|
}
|
|
#endif /* CFE_API_writeblk || CFE_API_ALL */
|