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Diffstat (limited to 'cfe/cfe/applets/download.c')
| -rw-r--r-- | cfe/cfe/applets/download.c | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/cfe/cfe/applets/download.c b/cfe/cfe/applets/download.c new file mode 100644 index 0000000..911c649 --- /dev/null +++ b/cfe/cfe/applets/download.c @@ -0,0 +1,163 @@ +/* ********************************************************************* + * 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)(); +} |