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authorNico Huber <nico.huber@secunet.com>2018-11-29 17:05:32 +0100
committerNico Huber <nico.h@gmx.de>2019-01-10 09:24:02 +0000
commitf5ca922c879995a151f4ffefd52bfff34fee21ca (patch)
tree7e5af873e0a5cd4176e886a88531807508d1d3d7 /src/cpu/Makefile.inc
parentcda27c2492929fb4bb734211d9dc3a85202ec1e4 (diff)
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Untangle CBFS microcode updates
The option to specify a binary file name was added later for platforms that do not provide microcode updates in our blobs repository. Alas, it wasn't visible what platforms these are. And if you specified a file for a platform that already had one, they were all included together. Make it visible which platforms don't provide binaries with the new con- figs MICROCODE_BLOB_NOT_IN_BLOB_REPO, MICROCODE_BLOB_NOT_HOOKED_UP and MICROCODE_BLOB_UNDISCLOSED. Based on that we can decide if we want to include binaries by default or explicitly show that no files are inclu- ded (default to CPU_MICROCODE_CBFS_NONE). Also split CPU_MICROCODE_CBFS_GENERATE into the more explicit CPU_MICROCODE_CBFS_DEFAULT_BINS and CPU_MICROCODE_CBFS_EXTERNAL_BINS. And clean up the visibility of options: Don't show CBFS related options on platforms that don't support it and don't show external file options if the platform uses special rules for multiple files (CPU_MICROCODE_ MULTIPLE_FILES). Change-Id: Ib403402e240d3531640a62ce93b7a93b4ef6ca5e Signed-off-by: Nico Huber <nico.huber@secunet.com> Reviewed-on: https://review.coreboot.org/c/29934 Reviewed-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-by: Angel Pons <th3fanbus@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/cpu/Makefile.inc')
-rw-r--r--src/cpu/Makefile.inc12
1 files changed, 9 insertions, 3 deletions
diff --git a/src/cpu/Makefile.inc b/src/cpu/Makefile.inc
index 72fc29c1e085..66ee2f9169e4 100644
--- a/src/cpu/Makefile.inc
+++ b/src/cpu/Makefile.inc
@@ -17,7 +17,7 @@ $(eval $(call create_class_compiler,cpu_microcode,x86_32))
################################################################################
ifneq ($(CONFIG_CPU_MICROCODE_MULTIPLE_FILES), y)
-cbfs-files-$(CONFIG_CPU_MICROCODE_CBFS_GENERATE) += cpu_microcode_blob.bin
+cbfs-files-$(CONFIG_USE_CPU_MICROCODE_CBFS_BINS) += cpu_microcode_blob.bin
endif
ifeq ($(CONFIG_CPU_MICROCODE_CBFS_EXTERNAL_HEADER),y)
@@ -29,6 +29,11 @@ $(objgenerated)/microcode.bin: $(call strip_quotes,$(CONFIG_CPU_MICROCODE_HEADER
util/scripts/ucode_h_to_bin.sh $(objgenerated)/microcode.bin $(CONFIG_CPU_MICROCODE_HEADER_FILES)
endif
+ifeq ($(CONFIG_CPU_MICROCODE_CBFS_EXTERNAL_BINS),y)
+cpu_microcode_bins := $(call strip_quotes,$(CONFIG_CPU_UCODE_BINARIES))
+endif
+# otherwise `cpu_microcode_bins` should be filled by platform makefiles
+
# We just mash all microcode binaries together into one binary to rule them all.
# This approach assumes that the microcode binaries are properly padded, and
# their headers specify the correct size. This works fairly well on isolatied
@@ -44,14 +49,15 @@ $(obj)/cpu_microcode_blob.bin: $$(wildcard $$(cpu_microcode_bins))
fi; \
done; \
if [ -n "$$NO_MICROCODE_FILE" ]; then \
- if [ -z "$(CONFIG_USE_BLOBS)" ] && [ -n "$(CONFIG_CPU_MICROCODE_CBFS_GENERATE)" ]; then \
+ if [ -z "$(CONFIG_USE_BLOBS)" ] && [ -n "$(CONFIG_CPU_MICROCODE_CBFS_DEFAULT_BINS)" ]; then \
echo "Try enabling binary-only repository in Kconfig 'General setup' menu."; \
fi; \
false; \
fi
+ $(if $^,,false) # fail if no file is given at all
@printf " MICROCODE $(subst $(obj)/,,$(@))\n"
@echo $(cpu_microcode_bins)
- cat /dev/null $+ > $@
+ cat $^ > $@
cpu_microcode_blob.bin-file ?= $(obj)/cpu_microcode_blob.bin
cpu_microcode_blob.bin-type := microcode