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/* *********************************************************************
* Broadcom Common Firmware Environment (CFE)
*
* Null device mode driver File: download.c
*
* Small program (placeholder) to download to a 1250 in PCI Device Mode
*
*********************************************************************
*
* Copyright 2000,2001,2002,2003
* 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.
********************************************************************* */
#include "lib_types.h"
#include "lib_printf.h"
#include "lib_string.h"
#include "cfe_api.h"
int conhandle;
void appletmain(long handle,long vector,
long reserved,long seal);
/* *********************************************************************
* console_write(buffer,length)
*
* Write text to the console. If the console is not open and
* we're "saving" text, put the text on the in-memory queue
*
* Input parameters:
* buffer - pointer to data
* length - number of characters to write
*
* Return value:
* number of characters written or <0 if error
********************************************************************* */
static int console_write(unsigned char *buffer,int length)
{
int res;
/*
* Do nothing if no console
*/
if (conhandle == -1) return -1;
/*
* Write text to device
*/
for (;;) {
res = cfe_write(conhandle,buffer,length);
if (res < 0) break;
buffer += res;
length -= res;
if (length == 0) break;
}
if (res < 0) return -1;
return 0;
}
/* *********************************************************************
* console_xprint(str)
*
* printf callback for the console device. the "xprintf"
* routine ends up calling this. This routine also cooks the
* output, turning "\n" into "\r\n"
*
* Input parameters:
* str - string to write
*
* Return value:
* number of characters written
********************************************************************* */
static int console_xprint(const char *str)
{
int count = 0;
int len;
const char *p;
/* Convert CR to CRLF as we write things out */
while ((p = strchr(str,'\n'))) {
console_write((char *) str,p-str);
console_write("\r\n",2);
count += (p-str);
str = p + 1;
}
len = strlen(str);
console_write((char *) str, len);
count += len;
return count;
}
void appletmain(long handle,long vector,
long ept,long seal)
{
void (*reboot)(void) = (void *) (uintptr_t) (int) 0xBFC00000;
char str[100];
xprinthook = console_xprint;
cfe_init(handle,ept);
conhandle = cfe_getstdhandle(CFE_STDHANDLE_CONSOLE);
str[0] = 0;
cfe_getenv("BOOT_CONSOLE",str,sizeof(str));
xprintf("\nHello, world. Console = %s\n",str);
xprintf("\nThis is a null device driver that just restarts CFE\n");
xprintf("Rebuild the host's CFE to replace it with your driver.\n\n");
xprintf("Exiting to CFE\n\n");
cfe_exit(CFE_FLG_WARMSTART,0);
(*reboot)();
}
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