Files
rtems/bsps/x86_64/amd64/start/start.c
Amaan Cheval 76c03152e1 bsp/x86_64: Minimal bootable BSP
Current state:

  - Basic context initialization and switching code.
  - Stubbed console (empty functions).
  - Mostly functional linker script (may need tweaks if we ever want to move
    away from the large code model (see: CPU_CFLAGS).
  - Fully functional boot, by using FreeBSD's bootloader to load RTEMS's ELF for
    UEFI-awareness.

In short, the current state with this commit lets us boot, go through the system
initialization functions, and then call user application's Init task too.

Updates #2898.
2018-07-11 15:22:44 -05:00

37 lines
1.5 KiB
C

/*
* Copyright (c) 2018.
* Amaan Cheval <amaan.cheval@gmail.com>
*
* 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.
*
* 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 <bsp.h>
#include <start.h>
#include <bsp/bootcard.h>
// XXX: _start can pass boot arguments to boot_card
// https://lists.rtems.org/pipermail/devel/2018-June/022123.html
void _start(void)
{
boot_card("");
}