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Include git describe in OpenSBI

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OpenSBI includes a version, but that is only updated when tagged.  For
users that are using the git releases we instead end up with an
ambiguous version number, which makes it hard to figure out what
everyone is using.  This patch checks for a git directory and prints out
the result of `git describe`, which is a mix of pretty and unambiguous.

Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Palmer Dabbelt 2019-08-17 19:41:09 +05:30 • committed by Anup Patel
parent 75229705a0
commit a2a7763ac7
2 changed files with 9 additions and 0 deletions
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4
Makefile
View file

@ -65,6 +65,7 @@ export firmware_dir=$(CURDIR)/firmware
# Find library version
OPENSBI_VERSION_MAJOR=`grep "define OPENSBI_VERSION_MAJOR" $(include_dir)/sbi/sbi_version.h | sed 's/.*MAJOR.*\([0-9][0-9]*\)/\1/'`
OPENSBI_VERSION_MINOR=`grep "define OPENSBI_VERSION_MINOR" $(include_dir)/sbi/sbi_version.h | sed 's/.*MINOR.*\([0-9][0-9]*\)/\1/'`
OPENSBI_VERSION_GIT=$(shell if [ -d $(src_dir)/.git ]; then git describe; fi)
# Setup compilation commands
ifdef CROSS_COMPILE
@ -151,6 +152,9 @@ endif
# Setup compilation commands flags
GENFLAGS = -I$(platform_src_dir)/include
GENFLAGS += -I$(include_dir)
ifneq ($(OPENSBI_VERSION_GIT),)
GENFLAGS += -DOPENSBI_VERSION_GIT="\"$(OPENSBI_VERSION_GIT)\""
endif
GENFLAGS += $(libsbiutils-genflags-y)
GENFLAGS += $(platform-genflags-y)
GENFLAGS += $(firmware-genflags-y)

5
lib/sbi/sbi_init.c
View file

@ -34,8 +34,13 @@ static void sbi_boot_prints(struct sbi_scratch *scratch, u32 hartid)
const struct sbi_platform *plat = sbi_platform_ptr(scratch);
misa_string(str, sizeof(str));
#ifdef OPENSBI_VERSION_GIT
sbi_printf("\nOpenSBI %s (%s %s)\n", OPENSBI_VERSION_GIT,
__DATE__, __TIME__);
#else
sbi_printf("\nOpenSBI v%d.%d (%s %s)\n", OPENSBI_VERSION_MAJOR,
OPENSBI_VERSION_MINOR, __DATE__, __TIME__);
#endif
sbi_printf(BANNER);