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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.17.0/] [libgloss/] [mips/] [cfe_api.c] - Rev 225
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/* From: CFE Id: cfe_api.c,v 1.16 2002/07/09 23:29:11 cgd Exp $ */ /* * Copyright 2000, 2001, 2002 * Broadcom Corporation. All rights reserved. * * This software is furnished under license and may be used and copied only * in accordance with the following terms and conditions. Subject to these * conditions, you may download, copy, install, use, modify and distribute * modified or unmodified copies of this software in source and/or binary * form. No title or ownership is transferred hereby. * * 1) Any source code used, modified or distributed must reproduce and * retain this copyright notice and list of conditions as they appear in * the source file. * * 2) No right is granted to use any trade name, trademark, or logo of * Broadcom Corporation. The "Broadcom Corporation" name may not be * used to endorse or promote products derived from this software * without the prior written permission of Broadcom Corporation. * * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE * FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE * LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE * OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* ********************************************************************* * * Broadcom Common Firmware Environment (CFE) * * Device Function stubs File: cfe_api.c * * This module contains device function stubs (small routines to * call the standard "iocb" interface entry point to CFE). * There should be one routine here per iocb function call. * * Authors: Mitch Lichtenberg, Chris Demetriou * ********************************************************************* */ #include "cfe_api.h" #include "cfe_api_int.h" /* Cast from a native pointer to a cfe_xptr_t and back. */ #define XPTR_FROM_NATIVE(n) ((cfe_xptr_t) (intptr_t) (n)) #define NATIVE_FROM_XPTR(x) ((void *) (intptr_t) (x)) #ifdef CFE_API_IMPL_NAMESPACE #define cfe_iocb_dispatch(a) __cfe_iocb_dispatch(a) #endif int cfe_iocb_dispatch(cfe_xiocb_t *xiocb); #if defined(CFE_API_common) || defined(CFE_API_ALL) /* * Declare the dispatch function with args of "intptr_t". * This makes sure whatever model we're compiling in * puts the pointers in a single register. For example, * combining -mlong64 and -mips1 or -mips2 would lead to * trouble, since the handle and IOCB pointer will be * passed in two registers each, and CFE expects one. */ static int (*cfe_dispfunc)(intptr_t handle, intptr_t xiocb) = 0; static cfe_xuint_t cfe_handle = 0; int cfe_init(cfe_xuint_t handle, cfe_xuint_t ept) { cfe_dispfunc = NATIVE_FROM_XPTR(ept); cfe_handle = handle; return 0; } int cfe_iocb_dispatch(cfe_xiocb_t *xiocb) { if (!cfe_dispfunc) return -1; return (*cfe_dispfunc)((intptr_t)cfe_handle, (intptr_t)xiocb); } #endif /* CFE_API_common || CFE_API_ALL */ #if defined(CFE_API_close) || defined(CFE_API_ALL) int cfe_close(int handle) { cfe_xiocb_t xiocb; xiocb.xiocb_fcode = CFE_CMD_DEV_CLOSE; xiocb.xiocb_status = 0; xiocb.xiocb_handle = handle; xiocb.xiocb_flags = 0; xiocb.xiocb_psize = 0; cfe_iocb_dispatch(&xiocb); return xiocb.xiocb_status; } #endif /* CFE_API_close || CFE_API_ALL */ #if defined(CFE_API_cpu_start) || defined(CFE_API_ALL) int cfe_cpu_start(int cpu, void (*fn)(void), long sp, long gp, long a1) { cfe_xiocb_t xiocb; xiocb.xiocb_fcode = CFE_CMD_FW_CPUCTL; xiocb.xiocb_status = 0; xiocb.xiocb_handle = 0; xiocb.xiocb_flags = 0; xiocb.xiocb_psize = sizeof(xiocb_cpuctl_t); xiocb.plist.xiocb_cpuctl.cpu_number = cpu; xiocb.plist.xiocb_cpuctl.cpu_command = CFE_CPU_CMD_START; xiocb.plist.xiocb_cpuctl.gp_val = gp; xiocb.plist.xiocb_cpuctl.sp_val = sp; xiocb.plist.xiocb_cpuctl.a1_val = a1; xiocb.plist.xiocb_cpuctl.start_addr = (long)fn; cfe_iocb_dispatch(&xiocb); return xiocb.xiocb_status; } #endif /* CFE_API_cpu_start || CFE_API_ALL */ #if defined(CFE_API_cpu_stop) || defined(CFE_API_ALL) int cfe_cpu_stop(int cpu) { cfe_xiocb_t xiocb; xiocb.xiocb_fcode = CFE_CMD_FW_CPUCTL; xiocb.xiocb_status = 0; xiocb.xiocb_handle = 0; xiocb.xiocb_flags = 0; xiocb.xiocb_psize = sizeof(xiocb_cpuctl_t); xiocb.plist.xiocb_cpuctl.cpu_number = cpu; xiocb.plist.xiocb_cpuctl.cpu_command = CFE_CPU_CMD_STOP; cfe_iocb_dispatch(&xiocb); return xiocb.xiocb_status; } #endif /* CFE_API_cpu_stop || CFE_API_ALL */ #if defined(CFE_API_enumenv) || defined(CFE_API_ALL) int cfe_enumenv(int idx, char *name, int namelen, char *val, int vallen) { 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 = idx; xiocb.plist.xiocb_envbuf.name_ptr = XPTR_FROM_NATIVE(name); xiocb.plist.xiocb_envbuf.name_length = namelen; xiocb.plist.xiocb_envbuf.val_ptr = XPTR_FROM_NATIVE(val); xiocb.plist.xiocb_envbuf.val_length = vallen; cfe_iocb_dispatch(&xiocb); return xiocb.xiocb_status; } #endif /* CFE_API_enumenv || CFE_API_ALL */ #if defined(CFE_API_enummem) || defined(CFE_API_ALL) int cfe_enummem(int idx, int flags, cfe_xuint_t *start, cfe_xuint_t *length, cfe_xuint_t *type) { cfe_xiocb_t xiocb; xiocb.xiocb_fcode = CFE_CMD_FW_MEMENUM; xiocb.xiocb_status = 0; xiocb.xiocb_handle = 0; xiocb.xiocb_flags = flags; xiocb.xiocb_psize = sizeof(xiocb_meminfo_t); xiocb.plist.xiocb_meminfo.mi_idx = idx; cfe_iocb_dispatch(&xiocb); if (xiocb.xiocb_status < 0) return xiocb.xiocb_status; *start = xiocb.plist.xiocb_meminfo.mi_addr; *length = xiocb.plist.xiocb_meminfo.mi_size; *type = xiocb.plist.xiocb_meminfo.mi_type; return 0; } #endif /* CFE_API_enummem || CFE_API_ALL */ #if defined(CFE_API_exit) || defined(CFE_API_ALL) int cfe_exit(int warm, int status) { cfe_xiocb_t xiocb; xiocb.xiocb_fcode = CFE_CMD_FW_RESTART; xiocb.xiocb_status = 0; xiocb.xiocb_handle = 0; xiocb.xiocb_flags = warm ? CFE_FLG_WARMSTART : 0; xiocb.xiocb_psize = sizeof(xiocb_exitstat_t); xiocb.plist.xiocb_exitstat.status = status; cfe_iocb_dispatch(&xiocb); return xiocb.xiocb_status; } #endif /* CFE_API_exit || CFE_API_ALL */ #if defined(CFE_API_flushcache) || defined(CFE_API_ALL) int cfe_flushcache(int flg) { cfe_xiocb_t xiocb; xiocb.xiocb_fcode = CFE_CMD_FW_FLUSHCACHE; xiocb.xiocb_status = 0; xiocb.xiocb_handle = 0; xiocb.xiocb_flags = flg; xiocb.xiocb_psize = 0; cfe_iocb_dispatch(&xiocb); return xiocb.xiocb_status; } #endif /* CFE_API_flushcache || CFE_API_ALL */ #if defined(CFE_API_getdevinfo) || defined(CFE_API_ALL) int cfe_getdevinfo(char *name) { cfe_xiocb_t xiocb; xiocb.xiocb_fcode = CFE_CMD_DEV_GETINFO; xiocb.xiocb_status = 0; xiocb.xiocb_handle = 0; xiocb.xiocb_flags = 0; xiocb.xiocb_psize = sizeof(xiocb_buffer_t); xiocb.plist.xiocb_buffer.buf_offset = 0; xiocb.plist.xiocb_buffer.buf_ptr = XPTR_FROM_NATIVE(name); xiocb.plist.xiocb_buffer.buf_length = cfe_strlen(name); cfe_iocb_dispatch(&xiocb); if (xiocb.xiocb_status < 0) return xiocb.xiocb_status; return xiocb.plist.xiocb_buffer.buf_devflags; } #endif /* CFE_API_getdevinfo || CFE_API_ALL */ #if defined(CFE_API_getenv) || defined(CFE_API_ALL) int cfe_getenv(char *name, char *dest, int destlen) { cfe_xiocb_t xiocb; *dest = 0; xiocb.xiocb_fcode = CFE_CMD_ENV_GET; 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(dest); xiocb.plist.xiocb_envbuf.val_length = destlen; cfe_iocb_dispatch(&xiocb); return xiocb.xiocb_status; } #endif /* CFE_API_getenv || CFE_API_ALL */ #if defined(CFE_API_getfwinfo) || defined(CFE_API_ALL) int cfe_getfwinfo(cfe_fwinfo_t *info) { cfe_xiocb_t xiocb; xiocb.xiocb_fcode = CFE_CMD_FW_GETINFO; xiocb.xiocb_status = 0; xiocb.xiocb_handle = 0; xiocb.xiocb_flags = 0; xiocb.xiocb_psize = sizeof(xiocb_fwinfo_t); cfe_iocb_dispatch(&xiocb); if (xiocb.xiocb_status < 0) return xiocb.xiocb_status; info->fwi_version = xiocb.plist.xiocb_fwinfo.fwi_version; info->fwi_totalmem = xiocb.plist.xiocb_fwinfo.fwi_totalmem; info->fwi_flags = xiocb.plist.xiocb_fwinfo.fwi_flags; info->fwi_boardid = xiocb.plist.xiocb_fwinfo.fwi_boardid; info->fwi_bootarea_va = xiocb.plist.xiocb_fwinfo.fwi_bootarea_va; info->fwi_bootarea_pa = xiocb.plist.xiocb_fwinfo.fwi_bootarea_pa; info->fwi_bootarea_size = xiocb.plist.xiocb_fwinfo.fwi_bootarea_size; #if 0 info->fwi_reserved1 = xiocb.plist.xiocb_fwinfo.fwi_reserved1; info->fwi_reserved2 = xiocb.plist.xiocb_fwinfo.fwi_reserved2; info->fwi_reserved3 = xiocb.plist.xiocb_fwinfo.fwi_reserved3; #endif return 0; } #endif /* CFE_API_getfwinfo || CFE_API_ALL */ #if defined(CFE_API_getstdhandle) || defined(CFE_API_ALL) int cfe_getstdhandle(int flg) { cfe_xiocb_t xiocb; xiocb.xiocb_fcode = CFE_CMD_DEV_GETHANDLE; xiocb.xiocb_status = 0; xiocb.xiocb_handle = 0; xiocb.xiocb_flags = flg; xiocb.xiocb_psize = 0; cfe_iocb_dispatch(&xiocb); if (xiocb.xiocb_status < 0) return xiocb.xiocb_status; return xiocb.xiocb_handle; } #endif /* CFE_API_getstdhandle || CFE_API_ALL */ #if defined(CFE_API_getticks) || defined(CFE_API_ALL) int64_t #ifdef CFE_API_IMPL_NAMESPACE __cfe_getticks(void) #else cfe_getticks(void) #endif { cfe_xiocb_t xiocb; xiocb.xiocb_fcode = CFE_CMD_FW_GETTIME; xiocb.xiocb_status = 0; xiocb.xiocb_handle = 0; xiocb.xiocb_flags = 0; xiocb.xiocb_psize = sizeof(xiocb_time_t); xiocb.plist.xiocb_time.ticks = 0; cfe_iocb_dispatch(&xiocb); return xiocb.plist.xiocb_time.ticks; } #endif /* CFE_API_getticks || CFE_API_ALL */ #if defined(CFE_API_inpstat) || defined(CFE_API_ALL) int cfe_inpstat(int handle) { cfe_xiocb_t xiocb; xiocb.xiocb_fcode = CFE_CMD_DEV_INPSTAT; xiocb.xiocb_status = 0; xiocb.xiocb_handle = handle; xiocb.xiocb_flags = 0; xiocb.xiocb_psize = sizeof(xiocb_inpstat_t); xiocb.plist.xiocb_inpstat.inp_status = 0; cfe_iocb_dispatch(&xiocb); if (xiocb.xiocb_status < 0) return xiocb.xiocb_status; return xiocb.plist.xiocb_inpstat.inp_status; } #endif /* CFE_API_inpstat || CFE_API_ALL */ #if defined(CFE_API_ioctl) || defined(CFE_API_ALL) int cfe_ioctl(int handle, unsigned int ioctlnum, unsigned char *buffer, int length, int *retlen, cfe_xuint_t offset) { cfe_xiocb_t xiocb; xiocb.xiocb_fcode = CFE_CMD_DEV_IOCTL; 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_ioctlcmd = ioctlnum; xiocb.plist.xiocb_buffer.buf_ptr = XPTR_FROM_NATIVE(buffer); xiocb.plist.xiocb_buffer.buf_length = length; cfe_iocb_dispatch(&xiocb); if (retlen) *retlen = xiocb.plist.xiocb_buffer.buf_retlen; return xiocb.xiocb_status; } #endif /* CFE_API_ioctl || CFE_API_ALL */ #if defined(CFE_API_open) || defined(CFE_API_ALL) int cfe_open(char *name) { cfe_xiocb_t xiocb; xiocb.xiocb_fcode = CFE_CMD_DEV_OPEN; xiocb.xiocb_status = 0; xiocb.xiocb_handle = 0; xiocb.xiocb_flags = 0; xiocb.xiocb_psize = sizeof(xiocb_buffer_t); xiocb.plist.xiocb_buffer.buf_offset = 0; xiocb.plist.xiocb_buffer.buf_ptr = XPTR_FROM_NATIVE(name); xiocb.plist.xiocb_buffer.buf_length = cfe_strlen(name); cfe_iocb_dispatch(&xiocb); if (xiocb.xiocb_status < 0) return xiocb.xiocb_status; return xiocb.xiocb_handle; } #endif /* CFE_API_open || CFE_API_ALL */ #if defined(CFE_API_read) || defined(CFE_API_ALL) int cfe_read(int handle, unsigned char *buffer, int length) { return cfe_readblk(handle, 0, buffer, length); } #endif /* CFE_API_read || CFE_API_ALL */ #if defined(CFE_API_readblk) || defined(CFE_API_ALL) int cfe_readblk(int handle, cfe_xint_t offset, unsigned char *buffer, int length) { cfe_xiocb_t xiocb; xiocb.xiocb_fcode = CFE_CMD_DEV_READ; 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_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 */
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