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payloads/libpayload: Update a Makefile for sample libpayload 

and make a configuraton for QEMU/ARM.

This CL allows building a sample libpayload for QEMU/ARM.

Change-Id: Ia32872c43a99357aa966de3582f6fdb2e2652517
Signed-off-by: Asami Doi <doiasami1219@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33287
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
This commit is contained in:
Asami Doi 2019-06-07 16:22:03 +09:00 committed by Patrick Georgi
parent 7d881b5189
commit d97591c345
3 changed files with 21 additions and 8 deletions
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12
payloads/libpayload/README
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@ -22,12 +22,18 @@ Installation
$ make
$ sudo make install (optional, will install into /opt per default)
$ make install (optional, will install into ./install per default)
As libpayload is for 32bit x86 systems only, you might have to install the
32bit libgcc version, otherwise your payloads will fail to compile.
On x86 systems, libpayload will always be 32-bit even if your host OS runs
in 64-bit, so you might have to install the 32-bit libgcc version.
On Debian systems you'd do 'apt-get install gcc-multilib' for example.
Run 'make distclean' before switching boards. This command will remove
your current .config file, so you need 'make menuconfig' again or
'make defconfig' in order to set up configuration. Default configuration
is based on 'configs/defconfig'. See the configs/ directory for examples
of configuration.
Usage
-----

6
payloads/libpayload/configs/config.emulation-qemu-arm Normal file
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@ -0,0 +1,6 @@
CONFIG_LP_ARCH_ARM=y
CONFIG_LP_STACK_SIZE=64000
CONFIG_LP_BASE_ADDRESS=0x62030000
CONFIG_LP_TINYCURSES=y
CONFIG_LP_8250_SERIAL_CONSOLE=y
CONFIG_LP_TIMER_GENERIC_HZ=1000000

11
payloads/libpayload/sample/Makefile
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@ -28,19 +28,20 @@
##
# Sample libpayload Makefile.
include ../.xcompile
include ../.config
include ../.xcompile
ARCH-$(CONFIG_LP_ARCH_ARMV) := arm
ARCH-$(CONFIG_LP_ARCH_POWERPC) := powerpc
ARCH-$(CONFIG_LP_ARCH_X86) := i386
ARCH-$(CONFIG_LP_ARCH_ARM) := arm
ARCH-$(CONFIG_LP_ARCH_X86) := x86_32
ARCH-$(CONFIG_LP_ARCH_ARM64) := arm64
ARCH-$(CONFIG_LP_ARCH_MIPS) := mips
CC := $(CC_$(ARCH-y))
AS := $(AS_$(ARCH-y))
LIBPAYLOAD_DIR := ../install/libpayload
XCC := CC="$(CC)" $(LIBPAYLOAD_DIR)/bin/lpgcc
XAS := AS="$(AS)" $(LIBPAYLOAD_DIR)/bin/lpas
CFLAGS := -Wall -Werror -Os
CFLAGS := -fno-builtin -Wall -Werror -Os
TARGET := hello
OBJS := $(TARGET).o