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Alexandru Gagniuc00b579a2012-07-20 00:11:21 -05001################################################################################
2## Subdirectories
3################################################################################
Alexandru Gagniucf64111b2013-12-13 20:44:48 -06004subdirs-y += allwinner
Ronald G. Minnichfd4519b2009-08-12 15:56:17 +00005subdirs-y += amd
Andrew Wu52e665b2013-06-19 18:55:08 +08006subdirs-y += dmp
Hung-Te Lin7635a602013-02-12 00:07:38 +08007subdirs-y += armltd
Paul Burtonc1081a42014-06-14 00:08:02 +01008subdirs-y += imgtec
Patrick Georgi0588d192009-08-12 15:00:51 +00009subdirs-y += intel
Gabe Black3c7e9392013-05-26 07:15:57 -070010subdirs-y += ti
Patrick Georgi0588d192009-08-12 15:00:51 +000011subdirs-y += via
Aaron Durbin716738a2013-05-10 00:33:32 -050012subdirs-y += x86
Gerd Hoffmanncbf30732013-05-31 09:23:26 +020013subdirs-$(CONFIG_CPU_QEMU_X86) += qemu-x86
Alexandru Gagniuc00b579a2012-07-20 00:11:21 -050014
Furquan Shaikh99ac98f2014-04-23 10:18:48 -070015$(eval $(call create_class_compiler,cpu_microcode,x86_32))
Alexandru Gagniuc00b579a2012-07-20 00:11:21 -050016################################################################################
17## Rules for building the microcode blob in CBFS
18################################################################################
19
Alexandru Gagniuc00b579a2012-07-20 00:11:21 -050020# External microcode file, or are we generating one ?
21ifeq ($(CONFIG_CPU_MICROCODE_CBFS_EXTERNAL), y)
Aaron Durbin32ab2832013-06-11 16:36:37 -050022cpu_ucode_cbfs_file = $(call strip_quotes,$(CONFIG_CPU_MICROCODE_FILE))
23cbfs_include_ucode = y
Stefan Reinauer9c29cfa2013-02-27 20:24:11 +010024endif
25
26ifeq ($(CONFIG_CPU_MICROCODE_CBFS_GENERATE), y)
Aaron Durbin32ab2832013-06-11 16:36:37 -050027cpu_ucode_cbfs_file = $(obj)/cpu_microcode_blob.bin
28cbfs_include_ucode = y
Alexandru Gagniuc00b579a2012-07-20 00:11:21 -050029endif
30
31# In case we have more than one "source" (cough) files containing microcode, we
Stefan Reinauer9c29cfa2013-02-27 20:24:11 +010032# link them together in one large blob, so that we get all the microcode updates
Alexandru Gagniuc00b579a2012-07-20 00:11:21 -050033# in one file. This makes it easier for objcopy in the final step.
34# The --entry=0 is just here to suppress the LD warning. It does not affect the
35# final microcode file.
36$(obj)/cpu_microcode_blob.o: $$(cpu_microcode-objs)
37 @printf " LD $(subst $(obj)/,,$(@))\n"
Furquan Shaikh99ac98f2014-04-23 10:18:48 -070038 $(LD_cpu_microcode) -static --entry=0 $+ -o $@
Alexandru Gagniuc00b579a2012-07-20 00:11:21 -050039
40# We have a lot of useless data in the large blob, and we are only interested in
41# the data section, so we only copy that part to the final microcode file
42$(obj)/cpu_microcode_blob.bin: $(obj)/cpu_microcode_blob.o
Daniele Forsi21fbc082014-08-10 15:18:42 +020043 @printf " MICROCODE $(subst $(obj)/,,$(@))\n"
Furquan Shaikh99ac98f2014-04-23 10:18:48 -070044 $(OBJCOPY_cpu_microcode) -j .data -O binary $< $@
Aaron Durbin32ab2832013-06-11 16:36:37 -050045
Alexandru Gagniucf55e6682015-09-07 00:35:55 -070046cbfs-files-$(cbfs_include_ucode) += cpu_microcode_blob.bin
47cpu_microcode_blob.bin-file := $(cpu_ucode_cbfs_file)
48cpu_microcode_blob.bin-type := microcode
49
50ifneq ($(CONFIG_CPU_MICROCODE_CBFS_LOC),)
51cpu_microcode_blob.bin-position := $(CONFIG_CPU_MICROCODE_CBFS_LOC)
Aaron Durbin32ab2832013-06-11 16:36:37 -050052else
Alexandru Gagniucf55e6682015-09-07 00:35:55 -070053cpu_microcode_blob.bin-align := 16
Aaron Durbin32ab2832013-06-11 16:36:37 -050054endif