libpayload: Implement gcc wrappers for libpayload
libpayload uses a ton of flags and other scary gcc and ld options. These
wrappers hide most of that from the user, so that using libpayload is as
easy as lpgcc -o hello hello.c
Signed-off-by: Jordan Crouse <jordan.crouse@amd.com>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3226 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
diff --git a/payloads/libpayload/Makefile b/payloads/libpayload/Makefile
index 959f968..ff6ca61 100644
--- a/payloads/libpayload/Makefile
+++ b/payloads/libpayload/Makefile
@@ -29,6 +29,7 @@
BASE_DIR=$(shell pwd)
KCONFIG_DIR=util/kconfig
+DESTDIR=/opt
ifeq (.config, $(wildcard .config))
dot-config := 1
@@ -49,9 +50,10 @@
@echo "Configuration completed - type make to build libpayload"
else
-include .config
-endif
-PLATFORM-$(CONFIG_TARGET_I386) += i386/Makefile.inc
+ARCHDIR-$(CONFIG_TARGET_I386) := i386
+
+PLATFORM-y += $(ARCHDIR-y)/Makefile.inc
TARGETS-y :=
BUILD-y := crypto/Makefile.inc libc/Makefile.inc drivers/Makefile.inc
@@ -64,8 +66,14 @@
# TODO: Re-add -Os as soon as we find out why it caused problems.
CFLAGS := -Wall -Werror -fno-stack-protector -nostdinc $(INCLUDES)
-libpayload.a: $(TARGETS-y)
- $(AR) rc $@ $(TARGETS-y)
+lib: lib/libpayload.a lib/$(ARCHDIR-y)/head.o
+
+lib/libpayload.a: $(TARGETS-y)
+ @ $(AR) rc $@ $(TARGETS-y)
+
+lib/$(ARCHDIR-y)/head.o: $(ARCHDIR-y)/head.o
+ @ mkdir -p lib/$(ARCHDIR-y)
+ @ cp $< $@
%.o: %.c
$(CC) -m32 $(CFLAGS) -c -o $@ $<
@@ -73,15 +81,26 @@
%.o: %.S
$(AS) --32 -o $@ $<
+install: lib
+ install -m 755 -d $(DESTDIR)/libpayload/lib
+ cp -r lib/* $(DESTDIR)/libpayload/lib/
+ install -m 755 -d $(DESTDIR)/libpayload/include
+ cp -r include/* $(DESTDIR)/libpayload/include/
+ install -m 755 -d $(DESTDIR)/libpayload/bin
+ install -m 755 bin/lpgcc $(DESTDIR)/libpayload/bin
+ install -m 755 bin/lpas $(DESTDIR)/libpayload/bin
+ install -m 644 bin/lp.functions $(DESTDIR)/libpayload/bin
+
clean:
@ rm -f $(TARGETS-y)
- @ rm -f libpayload.a
+ @ rm -f lib/libpayload.a lib/$(ARCHDIR-y)/head.o
distclean: clean
@ make -C $(KCONFIG_DIR) clean
@ rm -f $(KCONFIG_DIR)/lxdialog/lxdialog
@ rm -f .config .kconfig.d include/autoconf.h
-
+endif
+
ifeq ($(config-targets),1)
$(KCONFIG_DIR)/conf:
diff --git a/payloads/libpayload/bin/lp.functions b/payloads/libpayload/bin/lp.functions
new file mode 100644
index 0000000..21b6e91
--- /dev/null
+++ b/payloads/libpayload/bin/lp.functions
@@ -0,0 +1,60 @@
+## This file is part of the libpayload project.
+##
+## 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.
+
+# Common functions used by the libpayload wrappers
+
+error() {
+ echo "Error: $1"
+ exit 1
+}
+
+warn() {
+ echo "Warning: $1"
+}
+
+# If the user didn't specify LIBPAYLOAD_PREFIX, then preload it
+# with the default prefix value
+
+if [ -z "$LIBPAYLOAD_PREFIX" ]; then
+ LIBPAYLOAD_PREFIX=$DEFAULT_PREFIX/libpayload
+fi
+
+# If we're lucky, then everything was installed correctly, and the
+# library is locatd in the same prefix as ourselves. If not, then
+# use the value of LIBPAYLOAD_PREFIX
+
+if [ -f $BASE/../lib/libpayload.a ]; then
+ _LIBDIR=$BASE/../lib
+else
+ _LIBDIR=$LIBPAYLOAD_PREFIX/lib
+fi
+
+if [ -d $BASE/../include/ ]; then
+ _INCDIR=$BASE/../include
+else
+ _INCDIR=$LIBPAYLOAD_PREFIX/include
+fi
diff --git a/payloads/libpayload/bin/lpas b/payloads/libpayload/bin/lpas
new file mode 100755
index 0000000..37125b4
--- /dev/null
+++ b/payloads/libpayload/bin/lpas
@@ -0,0 +1,72 @@
+#!/bin/sh
+## This file is part of the libpayload project.
+##
+## 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.
+
+# AS wrapper for libpayload
+
+DEFAULT_PREFIX=/opt
+DEFAULT_AS=as
+
+BASE=`dirname $0`
+
+# This will set the _LIBDIR and _INCDIR variables used below
+. $BASE/lp.functions
+
+DEBUGME=0
+
+# This variable will contain the command line that the user wants to
+# pass to gas
+
+CMDLINE=
+
+# Process various flags that would change our behavior
+
+while [ $# -gt 0 ]; do
+ case $1 in
+ --32)
+ shift
+ continue
+ ;;
+ --64)
+ error "Invalid option --64 - only 32 bit architectures are supported"
+ ;;
+ -debug-wrapper)
+ DEBUGME=1
+ shift
+ continue
+ ;;
+ *)
+ ;;
+ esac
+
+ CMDLINE="$CMDLINE $1"
+ shift
+done
+
+_ASFLAGS="--32 -I$_INCDIR"
+
+$DEFAULT_AS $_ASFLAGS $CMDLINE
diff --git a/payloads/libpayload/bin/lpgcc b/payloads/libpayload/bin/lpgcc
new file mode 100755
index 0000000..bfd6c1b
--- /dev/null
+++ b/payloads/libpayload/bin/lpgcc
@@ -0,0 +1,104 @@
+#!/bin/sh
+## This file is part of the libpayload project.
+##
+## 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.
+
+# GCC wrapper for libpayload
+
+DEFAULT_PREFIX=/opt
+DEFAULT_CC=gcc
+
+BASE=`dirname $0`
+
+# This will set the _LIBDIR and _INCDIR variables used below
+. $BASE/lp.functions
+
+trygccoption() {
+ $DEFAULT_CC $1 -S -xc /dev/null -o .$$.tmp > /dev/null
+ rm -f .$$.tmp
+ return $?
+}
+
+DEBUGME=0
+DOLINK=1
+
+# This variable will contain the command line that the user wants to
+# pass to gas
+
+CMDLINE=
+
+# Process various flags that would change our behavior
+
+while [ $# -gt 0 ]; do
+ case $1 in
+ -m32|-fno-stack-protector)
+ shift
+ continue
+ ;;
+ -m64)
+ error "Invalid option --64 - only 32 bit architectures are supported"
+ ;;
+ -c)
+ DOLINK=0
+ ;;
+ -debug-wrapper)
+ DEBUGME=1
+ shift
+ continue
+ ;;
+ *)
+ ;;
+ esac
+
+ CMDLINE="$CMDLINE $1"
+ shift
+done
+
+_CFLAGS="-m32 -nostdinc -nostdlib -I$_INCDIR"
+
+# Check for the -fno-stack-protector silliness
+
+trygccoption -fno-stack-protector
+[ $? -eq 0 ] && _CFLAGS="$_CFLAGS -fno-stack-protector"
+
+_CFLAGS="$_CFLAGS -I`$DEFAULT_CC -m32 -print-search-dirs | head -n 1 | cut -d' ' -f2`include"
+
+_LDFLAGS="-Wl,-T,$_LIBDIR/libpayload.ldscript -static"
+
+if [ $DOLINK -eq 0 ]; then
+ if [ $DEBUGME -eq 1 ]; then
+ echo "$DEFAULT_CC $_CFLAGS $CMDLINE"
+ fi
+
+ $DEFAULT_CC $_CFLAGS $CMDLINE
+else
+ _LIBGCC=`$DEFAULT_CC -m32 -print-libgcc-file-name`
+ if [ $DEBUGME -eq 1 ]; then
+ echo "$DEFAULT_CC $_CFLAGS $_LDFLAGS $CMDLINE $_LIBDIR/i386/head.o $_LIBDIR/libpayload.a $_LIBGCC"
+ fi
+
+ $DEFAULT_CC $_CFLAGS $_LDFLAGS $CMDLINE $_LIBDIR/i386/head.o $_LIBDIR/libpayload.a $_LIBGCC
+fi
diff --git a/payloads/libpayload/libpayload.ldscript b/payloads/libpayload/lib/libpayload.ldscript
similarity index 100%
rename from payloads/libpayload/libpayload.ldscript
rename to payloads/libpayload/lib/libpayload.ldscript
diff --git a/payloads/libpayload/sample/Makefile b/payloads/libpayload/sample/Makefile
index 1daea5f..e01d4e8 100644
--- a/payloads/libpayload/sample/Makefile
+++ b/payloads/libpayload/sample/Makefile
@@ -29,23 +29,17 @@
# Sample libpayload Makefile.
-CC = gcc
-CROSS_CFLAGS = -m32
+CC := ../bin/lpgcc
-INCLUDES = -I../include
-INCLUDES += -I$(shell $(CC) $(CROSS_CFLAGS) -print-search-dirs | head -n 1 | cut -d' ' -f2)include
-
-LIBPAYLOAD = ../libpayload.a
-LIBGCC := $(shell $(CC) $(CROSS_CFLAGS) -print-libgcc-file-name)
-CFLAGS := -Wall -Werror -Os -fno-stack-protector -nostdinc $(INCLUDES)
+CFLAGS := -Wall -Werror -Os
all: hello.elf
hello.elf: hello.o
- ld -T ../libpayload.ldscript -o $@ hello.o ../i386/head.o $(LIBPAYLOAD) $(LIBGCC)
+ $(CC) -o $@ hello.o
hello.o: hello.c
- $(CC) $(CROSS_CFLAGS) $(CFLAGS) -c -o $@ $<
+ $(CC) $(CFLAGS) -c -o $@ $<
clean:
rm -f hello.elf hello.o