Stefan Reinauer | 8af0d03 | 2012-12-14 13:05:21 -0800 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the libpayload project. |
| 3 | * |
| 4 | * Copyright (C) 2008 Advanced Micro Devices, Inc. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions |
| 8 | * are met: |
| 9 | * 1. Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * 2. Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
| 14 | * 3. The name of the author may not be used to endorse or promote products |
| 15 | * derived from this software without specific prior written permission. |
| 16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| 18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 27 | * SUCH DAMAGE. |
| 28 | */ |
| 29 | |
Gabe Black | 20cdb24 | 2013-12-11 00:23:15 -0800 | [diff] [blame] | 30 | #include <exception.h> |
Stefan Reinauer | 8af0d03 | 2012-12-14 13:05:21 -0800 | [diff] [blame] | 31 | #include <libpayload.h> |
| 32 | |
| 33 | unsigned int main_argc; /**< The argc value to pass to main() */ |
| 34 | |
| 35 | /** The argv value to pass to main() */ |
| 36 | char *main_argv[MAX_ARGC_COUNT]; |
| 37 | |
| 38 | /** |
| 39 | * This is our C entry function - set up the system |
| 40 | * and jump into the payload entry point. |
| 41 | */ |
| 42 | void start_main(void); |
| 43 | void start_main(void) |
| 44 | { |
| 45 | extern int main(int argc, char **argv); |
| 46 | |
| 47 | /* Gather system information. */ |
| 48 | lib_get_sysinfo(); |
| 49 | |
| 50 | /* Optionally set up the consoles. */ |
Stefan Reinauer | 1b4d394 | 2015-06-29 15:47:34 -0700 | [diff] [blame] | 51 | #if !IS_ENABLED(CONFIG_LP_SKIP_CONSOLE_INIT) |
Stefan Reinauer | 8af0d03 | 2012-12-14 13:05:21 -0800 | [diff] [blame] | 52 | console_init(); |
| 53 | #endif |
| 54 | |
Ronald G. Minnich | 9907c6e | 2013-03-03 20:52:05 -0800 | [diff] [blame] | 55 | exception_init(); |
| 56 | |
Stefan Reinauer | 8af0d03 | 2012-12-14 13:05:21 -0800 | [diff] [blame] | 57 | /* |
| 58 | * Any other system init that has to happen before the |
| 59 | * user gets control goes here. |
| 60 | */ |
| 61 | |
| 62 | /* |
| 63 | * Go to the entry point. |
| 64 | * In the future we may care about the return value. |
| 65 | */ |
| 66 | |
| 67 | (void) main(main_argc, (main_argc != 0) ? main_argv : NULL); |
| 68 | |
| 69 | /* |
| 70 | * Returning here will go to the _leave function to return |
| 71 | * us to the original context. |
| 72 | */ |
| 73 | } |