8423a41529
There are ARM systems which are essentially heterogeneous multicores where some cores implement a different ARM architecture version than other cores. A specific example is the tegra124 which boots on an ARMv4 coprocessor while most code, including most of the firmware, runs on the main ARMv7 core. To support SOCs like this, the plan is to generalize the ARM architecture so that all versions are available, and an SOC/CPU can then select what architecture variant should be used for each component of the firmware; bootblock, romstage, and ramstage. BUG=chrome-os-partner:23009 TEST=Built libpayload and coreboot for link, pit and nyan. Booted into the bootblock on nyan. BRANCH=None Change-Id: I22e048c3bc72bd56371e14200942e436c1e312c2 Signed-off-by: Gabe Black <gabeblack@google.com> Reviewed-on: https://chromium-review.googlesource.com/171338 Reviewed-by: Gabe Black <gabeblack@chromium.org> Commit-Queue: Gabe Black <gabeblack@chromium.org> Tested-by: Gabe Black <gabeblack@chromium.org>
151 lines
4.1 KiB
Bash
Executable file
151 lines
4.1 KiB
Bash
Executable file
#!/bin/sh
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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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# GCC wrapper for libpayload
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if [ -z "${V}" ] && [ "${V}" = 1 ]; then
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DEBUGME=1
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else
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DEBUGME=0
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fi
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if [ $DEBUGME -eq 1 ]; then
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echo "CC = $CC"
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fi
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# let's not recurse.
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# This is a hack, I know, but it makes sure that really simple user errors
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# don't fork-bomb your machine.
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if [ -n "$CC" ]; then
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b=`basename "$CC"`
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if [ "$b" = "lpgcc" ]; then
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CC=""
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fi
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fi
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if [ "$CC" != "" ]; then
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DEFAULT_CC=$CC
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else
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DEFAULT_CC=gcc
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fi
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BASE=`dirname $0`
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# This will set the _LIBDIR and _INCDIR variables used below
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. $BASE/lp.functions
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# include libpayload config
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. $BASE/../libpayload.config
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_LDSCRIPT="-Wl,-T,$_LIBDIR/libpayload.ldscript"
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trygccoption() {
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$DEFAULT_CC $1 -S -xc /dev/null -o /dev/null &> /dev/null
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return $?
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}
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DOLINK=1
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# This variable will contain the command line that the user wants to
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# pass to gas
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CMDLINE=
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# Process various flags that would change our behavior
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while [ $# -gt 0 ]; do
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case $1 in
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-m32|-fno-stack-protector)
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shift
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continue
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;;
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-m64)
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error "Invalid option --64 - only 32 bit architectures are supported"
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;;
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-c)
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DOLINK=0
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;;
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-debug-wrapper)
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DEBUGME=1
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shift
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continue
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;;
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-Wl,-T,*)
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_LDSCRIPT="$1"
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shift
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continue
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;;
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*)
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;;
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esac
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CMDLINE="$CMDLINE $1"
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shift
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done
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if [ "$CONFIG_LP_ARCH_ARM" = "y" ]; then
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_ARCHINCDIR=$_INCDIR/arm
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_ARCHLIBDIR=$_LIBDIR/arm
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_ARCHEXTRA=""
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fi
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if [ "$CONFIG_LP_ARCH_X86" = "y" ]; then
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_ARCHINCDIR=$_INCDIR/x86
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_ARCHLIBDIR=$_LIBDIR/x86
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_ARCHEXTRA="-m32 "
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fi
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_CFLAGS="$_ARCHEXTRA -nostdinc -nostdlib -I$_INCDIR -I$_ARCHINCDIR -D__LIBPAYLOAD__=1"
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# Check for the -fno-stack-protector silliness
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trygccoption -fno-stack-protector
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[ $? -eq 0 ] && _CFLAGS="$_CFLAGS -fno-stack-protector"
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_CFLAGS="$_CFLAGS -I`$DEFAULT_CC $_ARCHEXTRA -print-search-dirs | head -n 1 | cut -d' ' -f2`include"
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_LDFLAGS="-L$BASE/../lib $_LDSCRIPT -static"
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if [ $DOLINK -eq 0 ]; then
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if [ $DEBUGME -eq 1 ]; then
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echo "$DEFAULT_CC $_CFLAGS $CMDLINE"
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fi
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$DEFAULT_CC $_CFLAGS $CMDLINE
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else
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_LIBGCC=`$DEFAULT_CC $_ARCHEXTRA -print-libgcc-file-name`
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if [ $DEBUGME -eq 1 ]; then
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echo "$DEFAULT_CC $_CFLAGS $_LDFLAGS $_ARCHLIBDIR/head.o $CMDLINE -lpayload $_LIBGCC"
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fi
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# Note: $_ARCHLIBDIR/head.o must be the first object being linked, because it
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# contains a Multiboot header. The Multiboot standard requires this
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# header to be placed below 0x2000 in the resulting image. See:
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# http://www.gnu.org/software/grub/manual/multiboot/html_node/OS-image-format.html
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$DEFAULT_CC $_CFLAGS $_LDFLAGS $_ARCHLIBDIR/head.o $CMDLINE -lpayload $_LIBGCC
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fi
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