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Diffstat (limited to 'cfe/cfe/api/cfe_api.c')
| -rw-r--r-- | cfe/cfe/api/cfe_api.c | 534 |
1 files changed, 534 insertions, 0 deletions
diff --git a/cfe/cfe/api/cfe_api.c b/cfe/cfe/api/cfe_api.c new file mode 100644 index 0000000..70cb3d2 --- /dev/null +++ b/cfe/cfe/api/cfe_api.c @@ -0,0 +1,534 @@ +/* $Id: cfe_api.c,v 1.17 2003/02/07 17:27:56 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 */ |