payloads/libpayload/bin/lpgcc

   1 #!/bin/sh
   2 ##
   3 ## Copyright (C) 2008 Advanced Micro Devices, Inc.
   4 ##
   5 ## Redistribution and use in source and binary forms, with or without
   6 ## modification, are permitted provided that the following conditions
   7 ## are met:
   8 ## 1. Redistributions of source code must retain the above copyright
   9 ##    notice, this list of conditions and the following disclaimer.
  10 ## 2. Redistributions in binary form must reproduce the above copyright
  11 ##    notice, this list of conditions and the following disclaimer in the
  12 ##    documentation and/or other materials provided with the distribution.
  13 ## 3. The name of the author may not be used to endorse or promote products
  14 ##    derived from this software without specific prior written permission.
  15 ##
  16 ## THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17 ## ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18 ## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19 ## ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20 ## FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21 ## DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22 ## OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23 ## HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24 ## LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25 ## OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26 ## SUCH DAMAGE.
  27
  28 # GCC wrapper for libpayload
  29 if [ "${V}" = "1" ]; then
  30         DEBUGME=1
  31 else
  32         DEBUGME=0
  33 fi
  34
  35 if [ $DEBUGME -eq 1 ]; then
  36         echo "CC = $CC"
  37 fi
  38
  39 # let's not recurse.
  40 # This is a hack, I know, but it makes sure that really simple user errors
  41 # don't fork-bomb your machine.
  42 if [ -n "$CC" ]; then
  43 b=`basename "$CC"`
  44 if [ "$b" = "lpgcc" ]; then
  45 CC=""
  46 fi
  47 fi
  48
  49 if [ "$CC" != "" ]; then
  50 DEFAULT_CC=$CC
  51 else
  52 DEFAULT_CC=gcc
  53 fi
  54
  55 BASE=`dirname $0`
  56
  57 # This will set the _LIBDIR and _INCDIR variables used below
  58 . $BASE/lp.functions
  59
  60 if [ $_LIBDIR != $_OBJ ]; then
  61         _DOTCONFIG=$BASE/../libpayload.config
  62         _XCOMPILE=$BASE/../libpayload.xcompile
  63 else
  64         _DOTCONFIG=$_OBJ/libpayload.config
  65         _XCOMPILE=$_OBJ/xcompile
  66 fi
  67
  68 # include libpayload config
  69 if [ -f $_DOTCONFIG ]; then
  70         . $_DOTCONFIG
  71 else
  72         echo "Can't find config"
  73         exit 1
  74 fi
  75
  76 if [ "$CONFIG_LP_ARCH_ARM" = "y" ]; then
  77   _ARCHINCDIR=$_INCDIR/arm
  78   _ARCHLIBDIR=$_LIBDIR/arm
  79   _ARCHEXTRA=""
  80   _ARCH=arm
  81 fi
  82 if [ "$CONFIG_LP_ARCH_ARM64" = "y" ]; then
  83   _ARCHINCDIR=$_INCDIR/arm64
  84   _ARCHLIBDIR=$_LIBDIR/arm64
  85   _ARCHEXTRA=""
  86   _ARCH=arm64
  87 fi
  88 if [ "$CONFIG_LP_ARCH_X86" = "y" ]; then
  89   _ARCHINCDIR=$_INCDIR/x86
  90   _ARCHLIBDIR=$_LIBDIR/x86
  91   _ARCHEXTRA="-m32 "
  92   _ARCH=x86
  93 fi
  94 if [ "$CONFIG_LP_ARCH_MOCK" = "y" ]; then
  95   _ARCHINCDIR=$_INCDIR/mock
  96   _ARCHLIBDIR=$_LIBDIR/mock
  97   _ARCHEXTRA=""
  98   _ARCH=mock
  99 fi
 100
 101 if [ -f $_LIBDIR/libpayload.ldscript ]; then
 102         _LDDIR=$_LIBDIR
 103 elif [ -f $BASE/../arch/$_ARCH/libpayload.ldscript ]; then
 104         _LDDIR=$BASE/../arch/$_ARCH
 105 fi
 106 # Host arch should youse default linker script
 107 if [ "$CONFIG_LP_ARCH_MOCK" = "y" ]; then
 108   _LDSCRIPT=""
 109 else
 110   _LDSCRIPT="-Wl,-T,$_LDDIR/libpayload.ldscript"
 111 fi
 112
 113 trygccoption() {
 114         $DEFAULT_CC $1 -S -xc /dev/null -o /dev/null &> /dev/null
 115         return $?
 116 }
 117
 118 DOLINK=1
 119
 120 # This variable will contain the command line that the user wants to
 121 # pass to gas
 122
 123 CMDLINE=
 124
 125 # Process various flags that would change our behavior
 126
 127 while [ $# -gt 0 ]; do
 128         case $1 in
 129             -m32|-fno-stack-protector)
 130                 shift
 131                 continue
 132                 ;;
 133             -m64)
 134                 error "Invalid option --64 - only 32 bit architectures are supported"
 135                 ;;
 136             -c)
 137                 DOLINK=0
 138                 ;;
 139             -debug-wrapper)
 140                 DEBUGME=1
 141                 shift
 142                 continue
 143                 ;;
 144             -Wl,-T,*)
 145                 _LDSCRIPT="$1"
 146                 shift
 147                 continue
 148                 ;;
 149             *)
 150                 ;;
 151         esac
 152
 153         CMDLINE="$CMDLINE $1"
 154         shift
 155 done
 156
 157 _CFLAGS="$_ARCHEXTRA -nostdinc -nostdlib -I$_INCDIR -I$_ARCHINCDIR -D__LIBPAYLOAD__=1"
 158
 159 if [ $_LIBDIR = $_OBJ ]; then
 160     _CFLAGS="$_CFLAGS -I$_OBJ"
 161
 162     if [ "$CONFIG_LP_PDCURSES" = y ]; then
 163         _CFLAGS="$_CFLAGS -I$BASE/../curses/PDCurses -I$BASE/../curses/pdcurses-backend"
 164         _CFLAGS="$_CFLAGS -I$BASE/../curses/form -I$BASE/../curses/menu"
 165     fi
 166
 167     if [ "$CONFIG_LP_TINYCURSES" = y ]; then
 168         _CFLAGS="$_CFLAGS -I$BASE/../curses"
 169     fi
 170
 171     _CFLAGS="$_CFLAGS -include $BASE/../../../src/commonlib/bsd/include/commonlib/bsd/compiler.h"
 172     _CFLAGS="$_CFLAGS -I$BASE/../../../src/commonlib/bsd/include"
 173     _CFLAGS="$_CFLAGS -I$BASE/../../../3rdparty/vboot/firmware/include"
 174 else
 175     _CFLAGS="$_CFLAGS -include $BASE/../include/commonlib/bsd/compiler.h"
 176     _CFLAGS="$_CFLAGS -I$_VBOOTINCDIR"
 177 fi
 178
 179 # Check for the -fno-stack-protector silliness
 180
 181 trygccoption -fno-stack-protector
 182 [ $? -eq 0 ] && _CFLAGS="$_CFLAGS -fno-stack-protector"
 183
 184 _CFLAGS="$_CFLAGS -include $BASE/../include/kconfig.h"
 185 _CFLAGS="$_CFLAGS -I`$DEFAULT_CC $_ARCHEXTRA -print-search-dirs | head -n 1 | cut -d' ' -f2`include"
 186
 187 if [ "$CONFIG_LP_VBOOT_LIB" = y ]; then
 188         if [ "$CONFIG_LP_VBOOT_TPM2_MODE" = y ]; then
 189                 _CFLAGS="$_CFLAGS -DTPM2_MODE"
 190         else
 191                 _CFLAGS="$_CFLAGS -DTPM1_MODE"
 192         fi
 193 fi
 194
 195 _LDFLAGS="-L$_LIBDIR $_LDSCRIPT -static -Wl,--gc-sections"
 196
 197 if [ $DOLINK -eq 0 ]; then
 198     if [ $DEBUGME -eq 1 ]; then
 199         echo "$DEFAULT_CC $CMDLINE $_CFLAGS"
 200     fi
 201
 202     $DEFAULT_CC $CMDLINE $_CFLAGS
 203 else
 204     _LIBGCC=`$DEFAULT_CC $_ARCHEXTRA -print-libgcc-file-name`
 205     if [ -f $_ARCHLIBDIR/head.o ]; then
 206             HEAD_O=$_ARCHLIBDIR/head.o
 207     elif [ -f $_OBJ/head.o ]; then
 208             HEAD_O=$_OBJ/head.o
 209     else
 210             echo "Could not find head.o"
 211             exit 1
 212     fi
 213
 214     if [ "$CONFIG_LP_ARM64_A53_ERRATUM_843419" = y ] &&
 215        grep -q fix-cortex-a53-843419 $_XCOMPILE; then
 216             _LDFLAGS="$_LDFLAGS -Wl,--fix-cortex-a53-843419"
 217     fi
 218
 219     _LDFLAGS="$_LDFLAGS -Wl,--defsym=CONFIG_LP_BASE_ADDRESS=$CONFIG_LP_BASE_ADDRESS"
 220     _LDFLAGS="$_LDFLAGS -Wl,--defsym=CONFIG_LP_HEAP_SIZE=$CONFIG_LP_HEAP_SIZE"
 221     _LDFLAGS="$_LDFLAGS -Wl,--defsym=CONFIG_LP_STACK_SIZE=$CONFIG_LP_STACK_SIZE"
 222
 223     if [ $DEBUGME -eq 1 ]; then
 224         echo "$DEFAULT_CC $_LDFLAGS $HEAD_O $CMDLINE $_CFLAGS -lpayload $_LIBGCC"
 225     fi
 226
 227     # Note: $_ARCHLIBDIR/head.o must be the first object being linked, because it
 228     # contains a Multiboot header.  The Multiboot standard requires this
 229     # header to be placed below 0x2000 in the resulting image.  See:
 230     # http://www.gnu.org/software/grub/manual/multiboot/html_node/OS-image-format.html
 231
 232     $DEFAULT_CC $_LDFLAGS $HEAD_O $CMDLINE $_CFLAGS -lpayload -xnone $_LIBGCC
 233 fi