Add recipe for the Morello busybox which is statically linked with musl libc. Packaging is disabled due to Morello LLVM not being a fully implemented toolchain.
Signed-off-by: Pawel Zalewski pzalewski@thegoodpenguin.co.uk Reviewed-by:Andrew Murray amurray@thegoodpenguin.co.uk --- recipes-core/busybox/busybox-morello-1.5.bb | 7 ++ recipes-core/busybox/busybox-morello.inc | 55 ++++++++++++++ ...-append-toolchain-with-relative-path.patch | 72 +++++++++++++++++++ 3 files changed, 134 insertions(+) create mode 100644 recipes-core/busybox/busybox-morello-1.5.bb create mode 100644 recipes-core/busybox/busybox-morello.inc create mode 100644 recipes-core/busybox/files/0001-Remove-elf-patch-append-toolchain-with-relative-path.patch
diff --git a/recipes-core/busybox/busybox-morello-1.5.bb b/recipes-core/busybox/busybox-morello-1.5.bb new file mode 100644 index 0000000..46411b6 --- /dev/null +++ b/recipes-core/busybox/busybox-morello-1.5.bb @@ -0,0 +1,7 @@ +require busybox-morello.inc + +LIC_FILES_CHKSUM = "file://LICENSE;md5=de10de48642ab74318e893a61105afbb \ + file://archival/libarchive/bz/LICENSE;md5=28e3301eae987e8cfe19988e98383dae" + +SRCBRANCH = "morello/master" +SRCTAG = "morello-release-1.5.0" \ No newline at end of file diff --git a/recipes-core/busybox/busybox-morello.inc b/recipes-core/busybox/busybox-morello.inc new file mode 100644 index 0000000..37ab167 --- /dev/null +++ b/recipes-core/busybox/busybox-morello.inc @@ -0,0 +1,55 @@ +inherit llvm-morello-native + +COMPATIBLE_MACHINE = "morello-linux" +SUMMARY = "CHERI enabled busybox" +LICENSE = "GPL-2.0-only" +SECTION = "base" + +FILESEXTRAPATHS:prepend := "${THISDIR}:${THISDIR}/${PN}:" + +DEPENDS += "virtual/kernel virtual/musl-morello" +PROVIDES += "virtual/morello-busybox" + +SRC_URI = " \ + git://git.morello-project.org/morello/morello-busybox;protocol=https;tag=${SRCTAG};branch=${SRCBRANCH} \ + file://files/0001-Remove-elf-patch-append-toolchain-with-relative-path.patch \ + " + +PV = "git${SRCPV}" +S = "${WORKDIR}/git" + +do_package[noexec] = "1" +do_package_write_rpm[noexec] = "1" +do_packagedata[noexec] = "1" + +do_compile[depends] = "virtual/kernel:do_install" + +EXTRA_OEMAKE = "\ + MUSL_HOME='${STAGING_DIR_TARGET}${MUSL_INSTALL_DIR}${prefix}' \ + KHEADERS='${STAGING_KERNEL_BUILDDIR}/kernel-headers/include/' \ + " + +# lack of packaging hacks +FILES:${PN} += "${bindir}/busybox" +SYSROOT_DIRS += "/busybox" + +INHIBIT_SYSROOT_STRIP = "1" +INHIBIT_PACKAGE_STRIP = "1" +INHIBIT_PACKAGE_DEBUG_SPLIT = "1" + +do_configure() { + export CFLAGS="" + oe_runmake ${EXTRA_OEMAKE} LLVM_PATH=${LLVM_PATH} morello_busybox_defconfig +} + +do_compile() { + export CFLAGS="" + local resourcedir=$(${CC} -print-resource-dir) + EXTRA_OEMAKE="${EXTRA_OEMAKE} CLANG_RESOURCE_DIR='${resourcedir}'" + oe_runmake ${EXTRA_OEMAKE} LLVM_PATH=${LLVM_PATH} +} + +do_install() { + install -d ${D}/busybox + install -m 0755 ${S}/busybox ${D}/busybox/busybox +} \ No newline at end of file diff --git a/recipes-core/busybox/files/0001-Remove-elf-patch-append-toolchain-with-relative-path.patch b/recipes-core/busybox/files/0001-Remove-elf-patch-append-toolchain-with-relative-path.patch new file mode 100644 index 0000000..ebac784 --- /dev/null +++ b/recipes-core/busybox/files/0001-Remove-elf-patch-append-toolchain-with-relative-path.patch @@ -0,0 +1,72 @@ +From 6040ff1d58789736b2c3547fa7803cb173981cb5 Mon Sep 17 00:00:00 2001 +From: Pawel Zalewski pzalewski@thegoodpenguin.co.uk +Date: Thu, 5 Jan 2023 10:27:45 +0000 +Subject: [PATCH] Remove elf patch, append toolchain with relative paths. + +Toolchain 1.5 does not require the elf patcher. +--- + Makefile | 22 +++++++++------------- + 1 file changed, 9 insertions(+), 13 deletions(-) + +diff --git a/Makefile b/Makefile +index f9d916f98..4c95c8d56 100644 +--- a/Makefile ++++ b/Makefile +@@ -142,10 +142,9 @@ VPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD)) + # Morello Settings + MORELLO_TARGET := aarch64-linux-musl_purecap + MORELLO_FLAGS := -Wno-cheri-inefficient -march=morello+c64 +-ELF_PATCH := morello_elf + MUSL_HOME := ../../musl-bin + KHEADERS := ../morello-linux-headers/usr/include/ +-CLANG_RESOURCE_DIR := $(shell clang -print-resource-dir) ++CLANG_RESOURCE_DIR := $(shell ${LLVM_PATH}/clang -print-resource-dir) + + export srctree objtree VPATH TOPDIR + +@@ -296,16 +295,16 @@ MAKEFLAGS += -rR + + # Make variables (CC, etc...) + +-AS = llvm-as +-CC_ = clang ++AS = ${LLVM_PATH}/llvm-as ++CC_ = ${LLVM_PATH}/clang + CC = $(CC_) --target=${MORELLO_TARGET} --sysroot ${MUSL_HOME} ${MORELLO_FLAGS} + LD = $(CC) -fuse-ld=lld -rtlib=compiler-rt + CPP = $(CC) -E +-AR = llvm-ar +-NM = llvm-nm +-STRIP = llvm-strip +-OBJCOPY = llvm-objcopy +-OBJDUMP = llvm-objdump ++AR = ${LLVM_PATH}/llvm-ar ++NM = ${LLVM_PATH}/llvm-nm ++STRIP = ${LLVM_PATH}/llvm-strip ++OBJCOPY = ${LLVM_PATH}/llvm-objcopy ++OBJDUMP = ${LLVM_PATH}/llvm-objdump + PKG_CONFIG ?= $(CROSS_COMPILE)pkg-config + AWK = awk + GENKSYMS = scripts/genksyms/genksyms +@@ -541,7 +540,7 @@ endif + # command line. + # This allow a user to issue only 'make' to build a kernel including modules + # Defaults busybox but it is usually overridden in the arch makefile +-all: busybox doc busybox_gen_elf ++all: busybox doc + + # arch Makefile may override CC so keep this after arch Makefile is included + #bbox# NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) +@@ -731,9 +730,6 @@ else + $(Q)chmod a+x $@ + endif + +-busybox_gen_elf: +- ${Q}${ELF_PATCH} busybox +- + # The actual objects are generated when descending, + # make sure no implicit rule kicks in + $(sort $(busybox-all)): $(busybox-dirs) ; +-- +2.34.1 +