[coreboot-gerrit] New patch to review for filo: 0f115de filo: initial ARM support
Stefan Reinauer (stefan.reinauer@coreboot.org)
gerrit at coreboot.org
Tue Dec 3 00:59:15 CET 2013
Stefan Reinauer (stefan.reinauer at coreboot.org) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/4304
-gerrit
commit 0f115de6f0a6afc659bd9e2024bc191c3d83900e
Author: Stefan Reinauer <reinauer at chromium.org>
Date: Mon Dec 2 15:47:13 2013 -0800
filo: initial ARM support
Change-Id: I058340985d3aad6ff408f3d0db7d52a45e35a21a
---
Config.in | 17 +++-
Makefile | 37 ++++++--
arm/Makefile.inc | 23 +++++
arm/include/arch/elf.h | 5 +
arm/include/arch/timer.h | 32 +++++++
arm/ldscript | 93 ++++++++++++++++++
include/lib.h | 2 +-
main/grub/builtins.c | 6 ++
util/xcompile/xcompile | 242 ++++++++++++++++++++++++++++++++++-------------
9 files changed, 379 insertions(+), 78 deletions(-)
diff --git a/Config.in b/Config.in
index cc48bd3..67766fd 100644
--- a/Config.in
+++ b/Config.in
@@ -5,12 +5,21 @@
mainmenu "FILO Configuration"
# When (if) we support multiple architectures, this will become an option.
+choice
+ prompt "Build for architecture"
+ default TARGET_I386
+
config TARGET_I386
- bool
- default y
+ bool "x86"
+
+config TARGET_ARM
+ bool "ARM"
+
+endchoice
config MULTIBOOT_IMAGE
bool "Include a MultiBoot header"
+ depends on TARGET_I386
default y
help
Including a MultiBoot header makes FILO chainloadable by MultiBoot
@@ -104,6 +113,7 @@ menu "Drivers"
config IDE_DISK
bool "IDE DISK support"
default y
+ depends on TARGET_I386
help
Driver for hard disk, CompactFlash, and CD-ROM on IDE bus
@@ -140,6 +150,7 @@ config IDE_NEW_DISK
bool "New IDE driver"
default n
depends on !IDE_DISK
+ depends on TARGET_I386
help
Jens Axboe's fine IDE driver
@@ -234,7 +245,7 @@ config FSYS_ISO9660
config ELTORITO
bool "El Torito bootable CDROMs"
default y
- depends on FSYS_ISO9660
+ depends on FSYS_ISO9660 && TARGET_I386
help
Support for boot disk image in bootable CD-ROM (El Torito)
diff --git a/Makefile b/Makefile
index 46010b3..2fa7de4 100644
--- a/Makefile
+++ b/Makefile
@@ -26,7 +26,7 @@ export obj := $(src)/build
export objk := $(src)/build/util/kconfig
ifndef LIBCONFIG_PATH
- LIBCONFIG_PATH := $(src)/../libpayload
+ LIBCONFIG_PATH := $(src)/../coreboot/payloads/libpayload
endif
export LIBCONFIG_PATH
@@ -57,17 +57,9 @@ try-run = $(shell set -e; \
fi; \
rm -rf "$$TMP")
-cc-option = $(call try-run,$(CC) $(1) -S -xc /dev/null -o "$$TMP",$(1),$(2))
-
$(if $(wildcard .xcompile),,$(shell bash util/xcompile/xcompile > .xcompile))
include .xcompile
-CROSS_PREFIX ?=
-CC ?= $(CROSS_PREFIX)gcc -m32
-AS ?= $(CROSS_PREFIX)as --32
-LD ?= $(CROSS_PREFIX)ld -belf32-i386
-NM ?= $(CROSS_PREFIX)nm
-STRIP ?= $(CROSS_PREFIX)strip
HOSTCC ?= gcc
HOSTCXX ?= g++
HOSTCFLAGS := -I$(srck) -I$(objk) -pipe
@@ -81,6 +73,30 @@ include util/kconfig/Makefile
else
include $(src)/.config
+ARCH-$(CONFIG_TARGET_I386) := x86
+ARCH-$(CONFIG_TARGET_ARM) := arm
+
+CC := $(CC_$(ARCH-y))
+AS := $(AS_$(ARCH-y))
+LD := $(LD_$(ARCH-y))
+NM := $(NM_$(ARCH-y))
+OBJCOPY := $(OBJCOPY_$(ARCH-y))
+OBJDUMP := $(OBJDUMP_$(ARCH-y))
+READELF := $(READELF_$(ARCH-y))
+STRIP := $(STRIP_$(ARCH-y))
+AR := $(AR_$(ARCH-y))
+
+CFLAGS += $(CFLAGS_$(ARCH-y))
+
+cc-option = $(call try-run,$(CC) $(1) -S -xc /dev/null -o "$$TMP",$(1),$(2))
+
+CROSS_PREFIX ?=
+
+CC ?= $(CROSS_PREFIX)gcc -m32
+AS ?= $(CROSS_PREFIX)as --32
+LD ?= $(CROSS_PREFIX)ld -belf32-i386
+NM ?= $(CROSS_PREFIX)nm
+STRIP ?= $(CROSS_PREFIX)strip
LIBPAYLOAD_PREFIX ?= $(obj)/libpayload
LIBPAYLOAD = $(LIBPAYLOAD_PREFIX)/lib/libpayload.a
@@ -89,6 +105,7 @@ LIBGCC = $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
GCCINCDIR = $(shell $(CC) -print-search-dirs | head -n 1 | cut -d' ' -f2)include
ARCHDIR-$(CONFIG_TARGET_I386) := x86
+ARCHDIR-$(CONFIG_TARGET_ARM) := arm
CPPFLAGS := -nostdinc -imacros $(obj)/config.h
CPPFLAGS += -I$(INCPAYLOAD) -I$(INCPAYLOAD)/$(ARCHDIR-y)
@@ -120,7 +137,7 @@ else
libpayload: $(LIBPAYLOAD)
$(LIBPAYLOAD): $(src)/$(LIB_CONFIG)
@printf "Building libpayload...\n"
- $(MAKE) -C $(LIBCONFIG_PATH) obj=$(obj)/libpayload-build distclean
+ CROSS_COMPILE_$(ARCH-y)=$(CROSS_COMPILE_$(ARCH-y)) $(MAKE) -C $(LIBCONFIG_PATH) obj=$(obj)/libpayload-build distclean
cp lib.config $(LIBCONFIG_PATH)/.config
mkdir -p $(LIBCONFIG_PATH)/build
$(MAKE) -C $(LIBCONFIG_PATH) obj=$(obj)/libpayload-build oldconfig
diff --git a/arm/Makefile.inc b/arm/Makefile.inc
new file mode 100644
index 0000000..4ccb409
--- /dev/null
+++ b/arm/Makefile.inc
@@ -0,0 +1,23 @@
+#
+# Copyright 2013 Google Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+#
+
+#TARGETS-$(CONFIG_TARGET_I386) += x86/context.o x86/switch.S.o x86/segment.o
+#TARGETS-$(CONFIG_TARGET_I386) += x86/timer.o x86/sys_info.o
+#TARGETS-$(CONFIG_LINUX_LOADER) += x86/linux_load.o
+#TARGETS-$(CONFIG_WINCE_LOADER) += x86/wince_load.o
+#TARGETS-$(CONFIG_ARTEC_BOOT) += x86/artecboot.o
diff --git a/arm/include/arch/elf.h b/arm/include/arch/elf.h
new file mode 100644
index 0000000..2a5bbbf
--- /dev/null
+++ b/arm/include/arch/elf.h
@@ -0,0 +1,5 @@
+#define ARCH_ELF_CLASS ELFCLASS32
+#define ARCH_ELF_DATA ELFDATA2LSB
+#define ARCH_ELF_MACHINE_OK(x) ((x)==EM_ARM)
+typedef Elf32_Ehdr Elf_ehdr;
+typedef Elf32_Phdr Elf_phdr;
diff --git a/arm/include/arch/timer.h b/arm/include/arch/timer.h
new file mode 100644
index 0000000..3cdd9b4
--- /dev/null
+++ b/arm/include/arch/timer.h
@@ -0,0 +1,32 @@
+/*
+ * This file is part of FILO.
+ *
+ * (C) 2004-2008 coresystems GmbH
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef TIMER_H
+#define TIMER_H
+
+extern u32 cpu_khz;
+
+u64 currticks(void);
+int getrtsecs (void);
+
+#define TICKS_PER_SEC (cpu_khz * 1000)
+#define TICKS_PER_USEC (cpu_khz / 1000)
+
+
+#endif /* TIMER_H */
diff --git a/arm/ldscript b/arm/ldscript
new file mode 100644
index 0000000..a6c7e11
--- /dev/null
+++ b/arm/ldscript
@@ -0,0 +1,93 @@
+/*
+ * This file is part of FILO.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/* When started from General Software BIOS */
+/* BASE_ADDR = 0x40000; */
+/* When started from coreboot */
+BASE_ADDR = 0x100000;
+
+
+OUTPUT_FORMAT("elf32-littlearm","elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+
+ENTRY(entry)
+
+/* 1024KB heap and 64KB stack */
+HEAP_SIZE = 1 * 1024 * 1024;
+STACK_SIZE = 64 * 1024;
+
+SECTIONS
+{
+ . = BASE_ADDR;
+
+ /* Put Multiboot header near beginning of file, if any. */
+ .hdr : { *(.hdr) *(.hdr.*) }
+
+ /* Start of the program.
+ * Now the version string is in the note, we must include it
+ * in the program. Otherwise we lose the string after relocation. */
+ . = ALIGN(4096);
+ _start = .;
+
+ /* Putting ELF notes near beginning of file might help bootloaders.
+ * We discard .note sections other than .note.ELFBoot and .note.pinfo,
+ * because some versions of GCC generates useless ones. */
+ .note : { *(.note.ELFBoot) *(note.pinfo) }
+
+ /* Normal sections */
+ .boot : { *(.boot) *(.boot.*) }
+ .text : { *(.text) *(.text.*) }
+ .rodata : {
+ . = ALIGN(4);
+ drivers_start = .;
+ *(.rodata.drivers)
+ drivers_end = .;
+ *(.rodata)
+ *(.rodata.*)
+ }
+ .data : { *(.data) *(.data.*) }
+
+ .bss : {
+ *(.sbss)
+ *(.sbss.*)
+ *(.bss)
+ *(.bss.*)
+ *(COMMON)
+
+ /* heap and stack */
+
+ . = ALIGN(16);
+ _heap = .;
+ . += HEAP_SIZE;
+ . = ALIGN(16);
+ _eheap = .;
+
+ _stack = .;
+ . += STACK_SIZE;
+ . = ALIGN(16);
+ _estack = .;
+ }
+
+ .initctx : {
+ /* Initial contents of stack. This MUST BE just after the stack. */
+ *(.initctx)
+ }
+
+ _end = .;
+
+ /DISCARD/ : { *(.comment) *(.note) }
+}
diff --git a/include/lib.h b/include/lib.h
index e007423..cd277e9 100644
--- a/include/lib.h
+++ b/include/lib.h
@@ -25,7 +25,7 @@
unsigned long long simple_strtoull(const char *cp,char **endp,unsigned int base);
unsigned long long strtoull_with_suffix(const char *cp,char **endp,unsigned int base);
-void hexdump(const void *p, unsigned int len);
+//void _hexdump(const void *p, unsigned int len);
long long simple_strtoll(const char *cp,char **endp,unsigned int base);
diff --git a/main/grub/builtins.c b/main/grub/builtins.c
index f77a21a..7c13d01 100644
--- a/main/grub/builtins.c
+++ b/main/grub/builtins.c
@@ -461,6 +461,7 @@ static struct builtin builtin_dumpmem = {
/* dumppm */
static int dumppm_func(char *arg, int flags)
{
+#if CONFIG_TARGET_I386
u16 pmbase;
pmbase = pci_read_config16(PCI_DEV(0,0x1f, 0), 0x40) & 0xfffe;
@@ -495,6 +496,7 @@ static int dumppm_func(char *arg, int flags)
grub_printf("pmbase+0x0070: 0x%02x (TCO_SW_IRQ_GEN)\n", inb(pmbase+0x0070));
grub_printf("pmbase+0x0072: 0x%04x (TCO_TMR)\n", inw(pmbase+0x0072));
#endif
+#endif
return 0;
}
@@ -857,6 +859,7 @@ static struct builtin builtin_initrd = {
#ifdef CONFIG_DEVELOPER_TOOLS
+#ifdef CONFIG_TARGET_I386
/* io */
static int io_func(char *arg, int flags)
{
@@ -964,6 +967,7 @@ static struct builtin builtin_io = {
"Read/write IO ports."
};
#endif
+#endif
/* kernel */
static int kernel_func(char *arg, int flags)
@@ -1931,8 +1935,10 @@ struct builtin *builtin_table[] = {
&builtin_hiddenmenu,
&builtin_initrd,
#ifdef CONFIG_DEVELOPER_TOOLS
+#ifdef CONFIG_TARGET_I386
&builtin_io,
#endif
+#endif
&builtin_kernel,
&builtin_keymap,
&builtin_lock,
diff --git a/util/xcompile/xcompile b/util/xcompile/xcompile
index 7c1adf3..9019788 100644
--- a/util/xcompile/xcompile
+++ b/util/xcompile/xcompile
@@ -3,6 +3,7 @@
# This file is part of the coreboot project.
#
# Copyright (C) 2007-2010 coresystems GmbH
+# Copyright (C) 2012 Google Inc
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
@@ -15,89 +16,202 @@
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
-testcc()
-{
- echo "_start(void) {}" > .$$$$.c
- $1 -nostdlib $2 .$$$$.c -o .$$$$.tmp 2>/dev/null >/dev/null
- ret=$?
- rm -f .$$$$.c .$$$$.tmp
- return $ret
+TMPFILE=""
+
+die() {
+ echo "ERROR: $*" >&2
+ exit 1
}
-for make in make gmake gnumake; do
- if [ "`$make --version 2>/dev/null | grep -c GNU`" -gt 0 ]; then
- MAKE=$make
- break
+clean_up() {
+ if [ -n "$TMPFILE" ]; then
+ rm -f "$TMPFILE" "$TMPFILE.c" "$TMPFILE.o"
fi
-done
+}
+
+program_exists() {
+ type "$1" >/dev/null 2>&1
+}
-GCCPREFIX=invalid
-TMPFILE=`mktemp /tmp/temp.XXXXXX 2>/dev/null || echo /tmp/temp.78gOIUGz`
-touch $TMPFILE
+testcc() {
+ local tmp_c="$TMPFILE.c"
+ local tmp_o="$TMPFILE.o"
+ rm -f "$tmp_c" "$tmp_o"
+ echo "void _start(void) {}" >"$tmp_c"
+ "$1" -nostdlib -Werror $2 "$tmp_c" -o "$tmp_o" >/dev/null 2>&1
+}
+
+testas() {
+ local gccprefixes="$1"
+ local twidth="$2"
+ local arch="$3"
+ local use_dash_twidth="$4"
+ local obj_file="$TMPFILE.o"
+ local full_arch="elf$twidth-$arch"
+
+ rm -f "$obj_file"
+ [ -n "$use_dash_twidth" ] && use_dash_twidth="--$twidth"
+ ${gccprefixes}as $use_dash_twidth -o "$obj_file" $TMPFILE 2>/dev/null ||
+ return 1
+
+ # Check output content type.
+ local obj_type="$(${gccprefixes}objdump -p $obj_file)"
+ local obj_arch="$(expr "$obj_type" : '.*format \(.[a-z0-9-]*\)')"
+ [ "$obj_arch" = "$full_arch" ] || return 1
+
+ # Architecture matched.
+ GCCPREFIX="$gccprefixes"
+
+ if [ -z "$use_dash_twidth" ]; then
+ ASFLAGS=""
+ CFLAGS=""
+ LDFLAGS=""
+ else
+ ASFLAGS="--$twidth"
+ CFLAGS="-m$twidth"
+ LDFLAGS="-b $full_arch"
-# This should be a loop over all supported architectures
-TARCH=i386
-TWIDTH=32
-for gccprefixes in `pwd`/../../util/crossgcc/xgcc/bin/${TARCH}-elf- ${TARCH}-elf- ""; do
- if ! which ${gccprefixes}as 2>/dev/null >/dev/null; then
- continue
- fi
- rm -f ${TMPFILE}.o
- if ${gccprefixes}as -o ${TMPFILE}.o ${TMPFILE}; then
- TYPE=`${gccprefixes}objdump -p ${TMPFILE}.o`
- if [ ${TYPE##* } == "elf${TWIDTH}-${TARCH}" ]; then
- GCCPREFIX=$gccprefixes
- ASFLAGS=
- CFLAGS=
- LDFLAGS=
- break
- fi
fi
- if ${gccprefixes}as --32 -o ${TMPFILE}.o ${TMPFILE}; then
- TYPE=`${gccprefixes}objdump -p ${TMPFILE}.o`
- if [ ${TYPE##* } == "elf${TWIDTH}-${TARCH}" ]; then
- GCCPREFIX=$gccprefixes
- ASFLAGS=--32
- CFLAGS="-m32 "
- LDFLAGS="-b elf32-i386"
- break
- fi
+
+ # Special parameters only available in dash_twidth mode.
+ [ -n "$use_dash_twidth" ] && case "$full_arch" in
+ "elf32-i386" )
+ LDFLAGS="$LDFLAGS -melf_i386"
+ CFLAGS="$CFLAGS -Wl,-b,elf32-i386 -Wl,-melf_i386"
+ ;;
+ esac
+
+ return 0
+}
+
+detect_special_flags() {
+ local architecture="$1"
+ # GCC 4.6 is much more picky about unused variables.
+ # Turn off it's warnings for now:
+ testcc "$CC" "$CFLAGS -Wno-unused-but-set-variable " &&
+ CFLAGS="$CFLAGS -Wno-unused-but-set-variable "
+
+ testcc "$CC" "$CFLAGS -Wa,--divide" &&
+ CFLAGS="$CFLAGS -Wa,--divide"
+ testcc "$CC" "$CFLAGS -fno-stack-protector"&&
+ CFLAGS="$CFLAGS -fno-stack-protector"
+ testcc "$CC" "$CFLAGS -Wl,--build-id=none" &&
+ CFLAGS="$CFLAGS -Wl,--build-id=none"
+
+ case "$architecture" in
+ x86 )
+ # Use bfd linker instead of gold if available:
+ testcc "$CC" "$CFLAGS -fuse-ld=bfd" &&
+ CFLAGS="$CFLAGS -fuse-ld=bfd" && LINKER_SUFFIX_i386='.bfd'
+ # Always build for i686 -- no sse/mmx instructions since SMM
+ # modules are compiled using these flags. Note that this
+ # doesn't prevent a project using xcompile to explicitly
+ # specify -mmsse, etc flags.
+ CFLAGS="$CFLAGS -march=i686"
+ ;;
+ arm )
+ ARMFLAGS=""
+ testcc "$CC" "$CFLAGS $ARMFLAGS" && CFLAGS="$CFLAGS $ARMFLAGS"
+ ;;
+ esac
+}
+
+report_arch_toolchain() {
+ cat <<EOF
+# elf${TWIDTH}-${TBFDARCH} toolchain (${GCCPREFIX}gcc)
+CC_${TARCH}:=${GCCPREFIX}gcc ${CFLAGS}
+AS_${TARCH}:=${GCCPREFIX}as ${ASFLAGS}
+LD_${TARCH}:=${GCCPREFIX}ld$(eval echo \${LINKER_SUFFIX_${TARCH}}) ${LDFLAGS}
+NM_${TARCH}:=${GCCPREFIX}nm
+OBJCOPY_${TARCH}:=${GCCPREFIX}objcopy
+OBJDUMP_${TARCH}:=${GCCPREFIX}objdump
+READELF_${TARCH}:=${GCCPREFIX}readelf
+STRIP_${TARCH}:=${GCCPREFIX}strip
+AR_${TARCH}:=${GCCPREFIX}ar
+
+EOF
+}
+
+# Create temporary file(s).
+TMPFILE="$(mktemp /tmp/temp.XXXX 2>/dev/null || echo /tmp/temp.78gOIUGz)"
+touch "$TMPFILE"
+trap clean_up EXIT
+
+# Architecture definition
+SUPPORTED_ARCHITECTURE="x86 arm"
+
+# ARM Architecture
+TARCH_arm="arm"
+TBFDARCH_arm="littlearm"
+TCLIST_arm="armv7a"
+TWIDTH_arm="32"
+
+# X86 Architecture
+TARCH_x86="i386"
+TBFDARCH_x86="i386"
+TCLIST_x86="i386 x86_64"
+TWIDTH_x86="32"
+XGCCPATH=${1:-"`pwd`/util/crossgcc/xgcc/bin/"}
+
+# This loops over all supported architectures.
+for architecture in $SUPPORTED_ARCHITECTURE; do
+ GCCPREFIX="invalid"
+ TARCH="$(eval echo \$TARCH_$architecture)"
+ TBFDARCH="$(eval echo \$TBFDARCH_$architecture)"
+ TCLIST="$(eval echo \$TCLIST_$architecture)"
+ TWIDTH="$(eval echo \$TWIDTH_$architecture)"
+ [ -z "$TARCH" -o -z "$TCLIST" -o -z "$TWIDTH" ] &&
+ die "Missing architecture definition for $architecture."
+
+ # To override toolchain, define CROSS_COMPILE_$arch or CROSS_COMPILE as
+ # environment variable.
+ # Ex: CROSS_COMPILE_arm="armv7a-cros-linux-gnueabi-"
+ # CROSS_COMPILE_x86="i686-pc-linux-gnu-"
+ search="$(eval echo \$CROSS_COMPILE_$architecture 2>/dev/null)"
+ search="$search $CROSS_COMPILE"
+ for toolchain in $TCLIST; do
+ search="$search $XGCCPATH$toolchain-elf-"
+ search="$search $toolchain-elf-"
+ search="$search $XGCCPATH$toolchain-eabi-"
+ search="$search $toolchain-eabi-"
+ done
+ echo "# $architecture TARCH_SEARCH=$search"
+
+ # Search toolchain by checking assembler capability.
+ for gccprefixes in $search ""; do
+ program_exists "${gccprefixes}as" || continue
+ testas "$gccprefixes" "$TWIDTH" "$TBFDARCH" "" && break
+ testas "$gccprefixes" "$TWIDTH" "$TBFDARCH" "TRUE" && break
+ done
+
+ if [ "$GCCPREFIX" = "invalid" ]; then
+ echo "Warning: no suitable GCC for $architecture." >&2
+ continue
fi
+ CC="${GCCPREFIX}"gcc
+
+ detect_special_flags "$architecture"
+ report_arch_toolchain
done
-rm -f $TMPFILE ${TMPFILE}.o
-if [ "$GCCPREFIX" = "invalid" ]; then
- echo '$(error no suitable gcc found)'
- exit 1
+if [ "$(${XGCCPATH}/iasl 2>/dev/null | grep -c ACPI)" -gt 0 ]; then
+ IASL=${XGCCPATH}iasl
+else
+ IASL=iasl
fi
-CC="${GCCPREFIX}gcc"
-testcc "$CC" "$CFLAGS-Wa,--divide " && CFLAGS="$CFLAGS-Wa,--divide "
-testcc "$CC" "$CFLAGS-fno-stack-protector " && CFLAGS="$CFLAGS-fno-stack-protector "
-testcc "$CC" "$CFLAGS-Wl,--build-id=none " && CFLAGS="$CFLAGS-Wl,--build-id=none "
-
-if which gcc 2>/dev/null >/dev/null; then
+if program_exists gcc; then
HOSTCC=gcc
else
HOSTCC=cc
fi
-cat << EOF
-# elf${TWIDTH}-${TARCH} toolchain
-AS:=${GCCPREFIX}as ${ASFLAGS}
-CC:=${GCCPREFIX}gcc ${CFLAGS}
-CPP:=${GCCPREFIX}cpp
-AR:=${GCCPREFIX}ar
-LD:=${GCCPREFIX}ld ${LDFLAGS}
-STRIP:=${GCCPREFIX}strip
-NM:=${GCCPREFIX}nm
-OBJCOPY:=${GCCPREFIX}objcopy
-OBJDUMP:=${GCCPREFIX}objdump
+cat <<EOF
+IASL:=${IASL}
# native toolchain
HOSTCC:=${HOSTCC}
EOF
-
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