a799151534
This functionality is already available for ARM, so lets add it to x86 as well. We'll want to be able to hook exceptions when running as a remote GDB target. Change-Id: I42f640b08eb9eb86a1bcab3c327f7780191a2eb5 Signed-off-by: Gabe Black <gabeblack@google.com> Reviewed-on: https://chromium-review.googlesource.com/179601 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Tested-by: Gabe Black <gabeblack@chromium.org> Commit-Queue: Gabe Black <gabeblack@chromium.org> (cherry picked from commit 5b8cf0c9f70a7e14766a2b095e6739a8d6321a34) Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com> Reviewed-on: http://review.coreboot.org/6898 Tested-by: build bot (Jenkins) Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
76 lines
2.6 KiB
C
76 lines
2.6 KiB
C
/*
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* This file is part of the libpayload project.
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*
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* Copyright (C) 2008 Advanced Micro Devices, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <exception.h>
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#include <libpayload.h>
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unsigned long loader_eax; /**< The value of EAX passed from the loader */
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unsigned long loader_ebx; /**< The value of EBX passed from the loader */
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unsigned int main_argc; /**< The argc value to pass to main() */
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/** The argv value to pass to main() */
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char *main_argv[MAX_ARGC_COUNT];
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/**
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* This is our C entry function - set up the system
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* and jump into the payload entry point.
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*/
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void start_main(void);
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void start_main(void)
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{
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extern int main(int argc, char **argv);
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/* Gather system information. */
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lib_get_sysinfo();
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/* Optionally set up the consoles. */
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#ifndef CONFIG_LP_SKIP_CONSOLE_INIT
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console_init();
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#endif
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exception_init();
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/*
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* Any other system init that has to happen before the
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* user gets control goes here.
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*/
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/*
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* Go to the entry point.
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* In the future we may care about the return value.
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*/
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(void) main(main_argc, (main_argc != 0) ? main_argv : NULL);
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/*
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* Returning here will go to the _leave function to return
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* us to the original context.
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*/
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}
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