[PATCH openbmc] Add pflash to SDK

Cyril Bur cyrilbur at gmail.com
Wed May 18 11:30:20 AEST 2016


On Tue, 17 May 2016 09:30:36 -0500
OpenBMC Patches <openbmc-patches at stwcx.xyz> wrote:

> From: Brad Bishop <bradleyb at fuzziesquirrel.com>
> 
> Make use of the skiboot external/shared support for dynamic so/bin.
> This allows us to completely remove pflash from skeleton.
> 

Hey Brad, this looks great!

This is a pet hate of mine, getting roped into extra work - so I'm totally
prepared to do it but we should consider upstreaming the pflash patch. I'm not
sure it can be upstreamed as is but the end product is definitely right for
upstream.

Do you or does anyone have any thoughts as to how to integrate into upstream?
`make shared` target just as an idea off the top of my head.

> Signed-off-by: Brad Bishop <bradleyb at fuzziesquirrel.com>

Reviewed-by: Cyril Bur <cyrilbur at gmail.com>

> ---
>  .../common/recipes-bsp/pflash/pflash.bb            |   8 +-
>  .../pflash/pflash/0001-pflash-Build-solib.patch    | 119 +++++++++++++++++++++
>  .../common/recipes-phosphor/skeleton/skeleton.bb   |   7 +-
>  3 files changed, 127 insertions(+), 7 deletions(-)
>  create mode 100644 meta-openbmc-machines/meta-openpower/common/recipes-bsp/pflash/pflash/0001-pflash-Build-solib.patch
> 
> diff --git a/meta-openbmc-machines/meta-openpower/common/recipes-bsp/pflash/pflash.bb b/meta-openbmc-machines/meta-openpower/common/recipes-bsp/pflash/pflash.bb
> index 5c0cfa4..862f4fb 100644
> --- a/meta-openbmc-machines/meta-openpower/common/recipes-bsp/pflash/pflash.bb
> +++ b/meta-openbmc-machines/meta-openpower/common/recipes-bsp/pflash/pflash.bb
> @@ -8,15 +8,19 @@ LIC_FILES_CHKSUM = "file://${S}/LICENCE;md5=3b83ef96387f14655fc854ddc3c6bd57"
>  
>  SRCREV = "skiboot-5.2.1"
>  PV = "5.2.1"
> +SRC_URI += "file://0001-pflash-Build-solib.patch"
>  
>  S = "${WORKDIR}/git"
>  
>  EXTRA_OEMAKE = 'CROSS_COMPILE=${TARGET_PREFIX} PFLASH_VERSION=${PV} V=1'
> +CFLAGS_append = ' -fPIC'
>  
>  do_compile () {
> -        oe_runmake -C external/pflash all
> +        oe_runmake -C external/shared all
>  }
>  
>  do_install () {
> -        oe_runmake -C external/pflash install DESTDIR=${D}
> +        oe_runmake -C external/shared install DESTDIR=${D}
>  }
> +
> +BBCLASSEXTEND = "nativesdk"
> diff --git a/meta-openbmc-machines/meta-openpower/common/recipes-bsp/pflash/pflash/0001-pflash-Build-solib.patch b/meta-openbmc-machines/meta-openpower/common/recipes-bsp/pflash/pflash/0001-pflash-Build-solib.patch
> new file mode 100644
> index 0000000..59f2ebc
> --- /dev/null
> +++ b/meta-openbmc-machines/meta-openpower/common/recipes-bsp/pflash/pflash/0001-pflash-Build-solib.patch
> @@ -0,0 +1,119 @@
> +diff --git a/external/pflash/rules.mk b/external/pflash/rules.mk
> +index aa426b5..c0199e3 100644
> +--- a/external/pflash/rules.mk
> ++++ b/external/pflash/rules.mk
> +@@ -1,12 +1,12 @@
> + .DEFAULT_GOAL := all
> + 
> + override CFLAGS  += -O2 -Wall -I.
> +-OBJS    = pflash.o progress.o version.o
> ++PFLASH_OBJS    = pflash.o progress.o version.o common-arch_flash.o
> + LIBFLASH_FILES := libflash.c libffs.c ecc.c blocklevel.c file.c
> + LIBFLASH_OBJS := $(addprefix libflash-, $(LIBFLASH_FILES:.c=.o))
> + LIBFLASH_SRC := $(addprefix libflash/,$(LIBFLASH_FILES))
> ++OBJS	+= $(PFLASH_OBJS)
> + OBJS	+= $(LIBFLASH_OBJS)
> +-OBJS	+= common-arch_flash.o
> + EXE     = pflash
> + 
> + PFLASH_VERSION ?= $(shell ../../make_version.sh $(EXE))
> +diff --git a/external/shared/.gitignore b/external/shared/.gitignore
> +new file mode 100644
> +index 0000000..541d2a2
> +--- /dev/null
> ++++ b/external/shared/.gitignore
> +@@ -0,0 +1,2 @@
> ++pflash-dynamic
> ++libflash.so*
> +diff --git a/external/shared/Makefile b/external/shared/Makefile
> +index 4c31657..aa1d881 100644
> +--- a/external/shared/Makefile
> ++++ b/external/shared/Makefile
> +@@ -1,56 +1,44 @@
> +-.DEFAULT_GOAL := all
> + GET_ARCH = ../../external/common/get_arch.sh
> ++include ../../external/pflash/rules.mk
> + include ../../external/common/rules.mk
> + 
> +-PREFIX ?= /usr/local/
> +-LIBDIR = $(PREFIX)/lib
> +-INCDIR = $(PREFIX)/include/libflash
> ++libdir=/usr/lib
> ++incdir=/usr/include
> ++sbindir=/usr/sbin
> + 
> +-VERSION = $(shell ../../make_version.sh)
> ++PFLASH_DIR=../pflash/
> ++EXE=pflash-dynamic
> ++LIB=libflash.so
> ++SONAME=$(LIB).1
> ++VERSION = $(shell ../../make_version.sh "$(SONAME)")
> ++OBJS=$(addprefix $(PFLASH_DIR), $(LIBFLASH_OBJS))
> ++OBJS+=$(addprefix $(PFLASH_DIR), $(ARCH_OBJS))
> ++DYN_OBJS=$(addprefix $(PFLASH_DIR), $(PFLASH_OBJS))
> + 
> +-CFLAGS += -m64 -Werror -Wall -g2 -ggdb -I. -fPIC
> ++LIBFLASH_HEADERS=libffs.h libflash.h blocklevel.h errors.h ffs.h
> ++ARCHFLASH_HEADERS=arch_flash.h io.h
> + 
> +-.PHONY: links
> +-links: libflash ccan common
> ++all: $(EXE)
> + 
> +-libflash:
> +-	ln -sf ../../libflash .
> ++$(LIB):
> ++	$(MAKE) -C $(PFLASH_DIR)
> ++	$(Q_CC)$(CC) -shared -fPIC -Wl,-soname,$(SONAME) $(OBJS) -o $(VERSION)
> + 
> +-common:
> +-	ln -sf ../common .
> ++$(EXE): $(LIB)
> ++	$(Q_CC)$(CC) $(CFLAGS) $(DYN_OBJS) $(VERSION) -lrt -o $(EXE)
> + 
> +-ccan:
> +-	ln -sf ../../ccan .
> ++install: install-bins install-headers
> + 
> +-LIBFLASH_OBJS = libflash-file.o libflash-libflash.o libflash-libffs.o libflash-ecc.o libflash-blocklevel.o
> +-ARCHFLASH_OBJS = common-arch_flash.o
> +-OBJS = $(LIBFLASH_OBJS) $(ARCHFLASH_OBJS)
> ++install-headers:
> ++	$(Q_MKDIR)mkdir -p $(DESTDIR)$(incdir)/libflash $(DESTDIR)$(incdir)/common
> ++	install -m644 $(addprefix $(PFLASH_DIR)libflash/, $(LIBFLASH_HEADERS)) $(DESTDIR)$(incdir)/libflash
> ++	install -m644 $(addprefix $(PFLASH_DIR)common/, $(ARCHFLASH_HEADERS)) $(DESTDIR)$(incdir)/common
> + 
> +-LIBFLASH_H = libflash/file.h libflash/libflash.h libflash/libffs.h libflash/ffs.h libflash/ecc.h libflash/blocklevel.h libflash/errors.h
> +-ARCHFLASH_H = common/arch_flash.h
> +-
> +-$(LIBFLASH_OBJS) : libflash-%.o : libflash/%.c
> +-	$(CC) $(CFLAGS) $(CPPFLAGS) -c $< -o $@
> ++install-bins: all
> ++	install -D $(EXE) $(DESTDIR)$(sbindir)/pflash
> ++	install -D $(VERSION) $(DESTDIR)$(libdir)/$(VERSION)
> ++	$(Q_LN)ln -sf $(VERSION) $(DESTDIR)$(libdir)/$(SONAME)
> ++	$(Q_LN)ln -sf $(VERSION) $(DESTDIR)$(libdir)/$(LIB)
> + 
> + clean:
> +-	rm -f $(OBJS) common-*.o *.so*
> +-
> +-distclean: clean
> +-	rm -f ccan libflash common
> +-
> +-all: links arch_links $(OBJS)
> +-	$(CC) -shared -Wl,-soname,libflash.so -o libflash.so.$(VERSION) $(OBJS)
> +-
> +-install-lib: all
> +-	install -D -m 0755 libflash.so.$(VERSION) $(LIBDIR)/libflash.so.$(VERSION)
> +-	ln -sf libflash.so.$(VERSION) $(LIBDIR)/libflash.so
> +-
> +-install-dev: links arch_links
> +-	mkdir -p $(INCDIR)
> +-	install -m 0644 $(LIBFLASH_H) $(ARCHFLASH_H) $(INCDIR)
> +-
> +-install: install-lib install-dev
> +-
> +-uninstall:
> +-	rm -f $(LIBDIR)/libflash*
> +-	rm -rf $(INCDIR)
> ++	rm -rf $(LIB).* $(EXE)
> diff --git a/meta-phosphor/common/recipes-phosphor/skeleton/skeleton.bb b/meta-phosphor/common/recipes-phosphor/skeleton/skeleton.bb
> index 1553314..8a11ee1 100644
> --- a/meta-phosphor/common/recipes-phosphor/skeleton/skeleton.bb
> +++ b/meta-phosphor/common/recipes-phosphor/skeleton/skeleton.bb
> @@ -16,9 +16,9 @@ DEPENDS += "glib-2.0 systemd"
>  RDEPENDS_${PN} += "python-subprocess python-compression libsystemd"
>  SRC_URI += "git://github.com/openbmc/skeleton"
>  
> -# RDEPEND on pflash if the openpower-pflash machine feature is set.
> +# DEPEND/RDEPEND on pflash if the openpower-pflash machine feature is set.
>  PACKAGECONFIG ??= "${@bb.utils.contains('MACHINE_FEATURES', 'openpower-pflash', 'openpower-pflash', '', d)}"
> -PACKAGECONFIG[openpower-pflash] = ",,,pflash"
> +PACKAGECONFIG[openpower-pflash] = ",,pflash,pflash"
>  
>  SRCREV = "264009617c231447d6c8fc61264cf3c6ea7f49d5"
>  
> @@ -26,9 +26,6 @@ S = "${WORKDIR}"
>  
>  do_compile() {
>          oe_runmake -C git
> -
> -        # Remove deprecated files.
> -        rm ${S}/git/bin/pflash
>  }
>  
>  do_install() {



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