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/* $NetBSD: cfe_api.c,v 1.5 2005/12/11 12:18:07 christos Exp $ */
/* from: SiByte 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 <sys/cdefs.h>
__FBSDID("$FreeBSD: release/9.1.0/sys/dev/cfe/cfe_api.c 202091 2010-01-11 17:16:06Z imp $");
#include <dev/cfe/cfe_api.h>
#include <dev/cfe/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_ENUM;
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 */