| /* |
| * |
| * Copyright (C) 2008 Advanced Micro Devices, Inc. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| * FOR ANY 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) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #include <exception.h> |
| #include <libpayload.h> |
| #include <arch/apic.h> |
| |
| unsigned long loader_eax; /**< The value of EAX passed from the loader */ |
| unsigned long loader_ebx; /**< The value of EBX passed from the loader */ |
| |
| int main_argc; /**< The argc value to pass to main() */ |
| |
| /** The argv value to pass to main() */ |
| char *main_argv[MAX_ARGC_COUNT]; |
| |
| /** |
| * This is our C entry function - set up the system |
| * and jump into the payload entry point. |
| */ |
| int start_main(void); |
| int start_main(void) |
| { |
| extern int main(int argc, char **argv); |
| |
| /* Gather system information. */ |
| lib_get_sysinfo(); |
| |
| /* Optionally set up the consoles. */ |
| #if !CONFIG(LP_SKIP_CONSOLE_INIT) |
| console_init(); |
| #endif |
| |
| exception_init(); |
| |
| if (CONFIG(LP_ENABLE_APIC)) { |
| apic_init(); |
| |
| enable_interrupts(); |
| } |
| |
| /* |
| * Any other system init that has to happen before the |
| * user gets control goes here. |
| */ |
| |
| /* |
| * Go to the entry point. |
| * In the future we may care about the return value. |
| */ |
| |
| /* |
| * Returning from main() will go to the _leave function to return |
| * us to the original context. |
| */ |
| return main(main_argc, (main_argc != 0) ? main_argv : NULL); |
| } |