The x86 boot block header currently is generated with a shell script. To better support other CPUs (e.g. aarch64), we convert the script into Makefile. This allows us to 1) support cross-compilation easily; 2) avoid creating a script file for every architecture.
Signed-off-by: Wei Huang <w...@redhat.com> --- tests/migration/Makefile | 38 ++++++++++++++++++++++++++++++++ tests/migration/rebuild-x86-bootblock.sh | 34 ---------------------------- tests/migration/x86-a-b-bootblock.h | 2 +- 3 files changed, 39 insertions(+), 35 deletions(-) create mode 100644 tests/migration/Makefile delete mode 100755 tests/migration/rebuild-x86-bootblock.sh diff --git a/tests/migration/Makefile b/tests/migration/Makefile new file mode 100644 index 0000000..e8e6026 --- /dev/null +++ b/tests/migration/Makefile @@ -0,0 +1,38 @@ +# +# Copyright (c) 2016-2018 Red Hat, Inc. and/or its affiliates +# +# Authors: +# Dave Gilbert <dgilb...@redhat.com> +# +# This work is licensed under the terms of the GNU GPL, version 2 or later. +# See the COPYING file in the top-level directory. +# +path := $(subst :, ,$(PATH)) +system := $(shell uname -s | tr "A-Z" "a-z") + +cross-ld = $(firstword $(wildcard $(patsubst %,%/$(1)-*$(system)*-ld,$(path)))) +cross-gcc = $(firstword $(wildcard $(patsubst %ld,%gcc,$(call cross-ld,$(1))))) +find-cross-prefix = $(subst gcc,,$(notdir $(call cross-gcc,$(1)))) + +x86_64_cross_prefix := $(call find-cross-prefix,x86_64) + +export __note +override define __note +/* This file is automatically generated from + * tests/migration/$<, edit that and then run + * "make $@" inside tests/migration to update, + * and then remember to send both in your patch submission. + */ +endef + +all: x86-a-b-bootblock.h + +x86-a-b-bootblock.h: x86-a-b-bootblock.s + $(x86_64_cross_prefix)as --32 -march=i486 $< -o x86.o + $(x86_64_cross_prefix)objcopy -O binary x86.o x86.boot + dd if=x86.boot of=x86.bootsect bs=256 count=2 skip=124 + echo "$$__note" > $@ + xxd -i x86.bootsect | sed -e 's/.*int.*//' >> $@ + +clean: + rm -rf *.bootsect *.boot *.o diff --git a/tests/migration/rebuild-x86-bootblock.sh b/tests/migration/rebuild-x86-bootblock.sh deleted file mode 100755 index 05ed9ba..0000000 --- a/tests/migration/rebuild-x86-bootblock.sh +++ /dev/null @@ -1,34 +0,0 @@ -#!/bin/sh -# Copyright (c) 2016-2018 Red Hat, Inc. and/or its affiliates -# This work is licensed under the terms of the GNU GPL, version 2 or later. -# See the COPYING file in the top-level directory. -# -# Author: dgilb...@redhat.com - -ASMFILE=$PWD/tests/migration/x86-a-b-bootblock.s -HEADER=$PWD/tests/migration/x86-a-b-bootblock.h - -if [ ! -e "$ASMFILE" ] -then - echo "Couldn't find $ASMFILE" >&2 - exit 1 -fi - -ASM_WORK_DIR=$(mktemp -d --tmpdir X86BB.XXXXXX) -cd "$ASM_WORK_DIR" && -as --32 -march=i486 "$ASMFILE" -o x86.o && -objcopy -O binary x86.o x86.boot && -dd if=x86.boot of=x86.bootsect bs=256 count=2 skip=124 && -xxd -i x86.bootsect | -sed -e 's/.*int.*//' > x86.hex && -cat - x86.hex <<HERE > "$HEADER" -/* This file is automatically generated from - * tests/migration/x86-a-b-bootblock.s, edit that and then run - * tests/migration/rebuild-x86-bootblock.sh to update, - * and then remember to send both in your patch submission. - */ -HERE - -rm x86.hex x86.bootsect x86.boot x86.o -cd .. && rmdir "$ASM_WORK_DIR" - diff --git a/tests/migration/x86-a-b-bootblock.h b/tests/migration/x86-a-b-bootblock.h index 78a151f..9e8e2e0 100644 --- a/tests/migration/x86-a-b-bootblock.h +++ b/tests/migration/x86-a-b-bootblock.h @@ -1,6 +1,6 @@ /* This file is automatically generated from * tests/migration/x86-a-b-bootblock.s, edit that and then run - * tests/migration/rebuild-x86-bootblock.sh to update, + * "make x86-a-b-bootblock.h" inside tests/migration to update, * and then remember to send both in your patch submission. */ unsigned char x86_bootsect[] = { -- 1.8.3.1