503 lines
		
	
	
	
		
			14 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			503 lines
		
	
	
	
		
			14 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /*
 | ||
|  |  * Copyright (C) 2000, 2001, 2002 Broadcom Corporation | ||
|  |  * | ||
|  |  * This program is free software; you can redistribute it and/or | ||
|  |  * modify it under the terms of the GNU General Public License | ||
|  |  * as published by the Free Software Foundation; either version 2 | ||
|  |  * of the License, or (at your option) any later version. | ||
|  |  * | ||
|  |  * This program is distributed in the hope that it will be useful, | ||
|  |  * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
|  |  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | ||
|  |  * GNU General Public License for more details. | ||
|  |  * | ||
|  |  * You should have received a copy of the GNU General Public License | ||
|  |  * along with this program; if not, write to the Free Software | ||
|  |  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. | ||
|  |  */ | ||
|  | 
 | ||
|  | /*  *********************************************************************
 | ||
|  |     * | ||
|  |     *  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 */
 |