| /* 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 */ |