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Bluetooth: Fix leak of uninitialized data to userspace
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / firmware / Makefile
CommitLineData
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DW		 1#
2# kbuild file for firmware/
3#
4
5# Create $(fwabs) from $(CONFIG_EXTRA_FIRMWARE_DIR) -- if it doesn't have a
6# leading /, it's relative to $(srctree).
7fwdir := $(subst ",,$(CONFIG_EXTRA_FIRMWARE_DIR))
8fwabs := $(addprefix $(srctree)/,$(filter-out /%,$(fwdir)))$(filter /%,$(fwdir))
9
10fw-external-y := $(subst ",,$(CONFIG_EXTRA_FIRMWARE))
11
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DW		 12# There are three cases to care about:
13# 1. Building kernel with CONFIG_FIRMWARE_IN_KERNEL=y -- $(fw-shipped-y) should
14# include the firmware files to include, according to .config
15# 2. 'make modules_install', which will install firmware for modules, and
16# _also_ for the in-kernel drivers when CONFIG_FIRMWARE_IN_KERNEL=n
17# 3. 'make firmware_install', which installs all firmware, unconditionally.
d172e7f5 18
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DW		 19# For the former two cases we want $(fw-shipped-y) and $(fw-shipped-m) to be
20# accurate. In the latter case it doesn't matter -- it'll use $(fw-shipped-all).
21# But be aware that the config file might not be included at all.
22
7f127d5e 23fw-shipped-$(CONFIG_ATARI_DSP56K) += dsp56k/bootstrap.bin
27d202ff 24fw-shipped-$(CONFIG_ATM_AMBASSADOR) += atmsar11.fw
fcaa4066 25fw-shipped-$(CONFIG_CASSINI) += sun/cassini.bin
547d8bb7 26fw-shipped-$(CONFIG_COMPUTONE) += intelliport2.bin
ad58633c
DLR		 27fw-shipped-$(CONFIG_CHELSIO_T3) += cxgb3/t3b_psram-1.1.0.bin \
28 cxgb3/t3c_psram-1.1.0.bin \
29 cxgb3/t3fw-7.0.0.bin
0a2a736a 30fw-shipped-$(CONFIG_DVB_TTUSB_BUDGET) += ttusb-budget/dspbootcode.bin
0f805b86 31fw-shipped-$(CONFIG_SMCTR) += tr_smctr.bin
76770664 32fw-shipped-$(CONFIG_SND_KORG1212) += korg/k1212.dsp
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DW		 33fw-shipped-$(CONFIG_SND_MAESTRO3) += ess/maestro3_assp_kernel.fw \
34 ess/maestro3_assp_minisrc.fw
d71792ac
JS		 35fw-shipped-$(CONFIG_SND_SB16_CSP) += sb16/mulaw_main.csp sb16/alaw_main.csp \
36 sb16/ima_adpcm_init.csp \
37 sb16/ima_adpcm_playback.csp \
38 sb16/ima_adpcm_capture.csp
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DW		 39fw-shipped-$(CONFIG_SND_YMFPCI) += yamaha/ds1_ctrl.fw yamaha/ds1_dsp.fw \
40 yamaha/ds1e_ctrl.fw
c4667746 41fw-shipped-$(CONFIG_USB_DABUSB) += dabusb/firmware.fw dabusb/bitstream.bin
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DW		 42fw-shipped-$(CONFIG_USB_EMI26) += emi26/loader.fw emi26/firmware.fw \
43 emi26/bitstream.fw
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DW		 44fw-shipped-$(CONFIG_USB_EMI62) += emi62/loader.fw emi62/bitstream.fw \
45 emi62/spdif.fw emi62/midi.fw
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DW		 46fw-shipped-$(CONFIG_USB_KAWETH) += kaweth/new_code.bin kaweth/trigger_code.bin \
47 kaweth/new_code_fix.bin \
48 kaweth/trigger_code_fix.bin
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DW		 49ifdef CONFIG_FIRMWARE_IN_KERNEL
50fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_MPR) += keyspan/mpr.fw
51fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA18X) += keyspan/usa18x.fw
52fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA19) += keyspan/usa19.fw
53fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA19QI) += keyspan/usa19qi.fw
54fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA19QW) += keyspan/usa19qw.fw
55fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA19W) += keyspan/usa19w.fw
56fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA28) += keyspan/usa28.fw
57fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA28XA) += keyspan/usa28xa.fw
58fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA28XB) += keyspan/usa28xb.fw
59fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA28X) += keyspan/usa28x.fw
60fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA49W) += keyspan/usa49w.fw
61fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA49WLC) += keyspan/usa49wlc.fw
62else
d25dc7fd 63fw-shipped- += keyspan/mpr.fw keyspan/usa18x.fw keyspan/usa19.fw \
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DW		 64 keyspan/usa19qi.fw keyspan/usa19qw.fw keyspan/usa19w.fw \
65 keyspan/usa28.fw keyspan/usa28xa.fw keyspan/usa28xb.fw \
66 keyspan/usa28x.fw keyspan/usa49w.fw keyspan/usa49wlc.fw
67endif
5f24e2d6 68fw-shipped-$(CONFIG_USB_SERIAL_TI) += ti_3410.fw ti_5052.fw
5b9ea932
JS		 69fw-shipped-$(CONFIG_USB_SERIAL_EDGEPORT) += edgeport/boot.fw edgeport/boot2.fw \
70 edgeport/down.fw edgeport/down2.fw
d12b219a 71fw-shipped-$(CONFIG_USB_SERIAL_EDGEPORT_TI) += edgeport/down3.bin
ec6752f5
DW		 72fw-shipped-$(CONFIG_USB_SERIAL_WHITEHEAT) += whiteheat_loader.fw whiteheat.fw \
73 # whiteheat_loader_debug.fw
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DW		 74fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_PDA) += keyspan_pda/keyspan_pda.fw
75fw-shipped-$(CONFIG_USB_SERIAL_XIRCOM) += keyspan_pda/xircom_pgs.fw
fb54be87 76fw-shipped-$(CONFIG_USB_VICAM) += vicam/firmware.fw
04a33e40 77fw-shipped-$(CONFIG_VIDEO_CPIA2) += cpia2/stv0672_vp4.bin
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DW		 78
79fw-shipped-all := $(fw-shipped-y) $(fw-shipped-m) $(fw-shipped-)
80
81# Directories which we _might_ need to create, so we have a rule for them.
82firmware-dirs := $(sort $(patsubst %,$(objtree)/$(obj)/%/,$(dir $(fw-external-y) $(fw-shipped-all))))
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DW		 83
84quiet_cmd_mkdir = MKDIR $(patsubst $(objtree)/%,%,$@)
85 cmd_mkdir = mkdir -p $@
86
87quiet_cmd_ihex = IHEX $@
88 cmd_ihex = $(OBJCOPY) -Iihex -Obinary $< $@
89
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DW		 90quiet_cmd_ihex2fw = IHEX2FW $@
91 cmd_ihex2fw = $(objtree)/$(obj)/ihex2fw $< $@
92
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DW		 93quiet_cmd_h16tofw = H16TOFW $@
94 cmd_h16tofw = $(objtree)/$(obj)/ihex2fw -w $< $@
95
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DW		 96quiet_cmd_fwbin = MK_FW $@
97 cmd_fwbin = FWNAME="$(patsubst firmware/%.gen.S,%,$@)"; \
98 FWSTR="$(subst /,_,$(subst .,_,$(subst -,_,$(patsubst \
99 firmware/%.gen.S,%,$@))))"; \
100 ASM_WORD=$(if $(CONFIG_64BIT),.quad,.long); \
101 ASM_ALIGN=$(if $(CONFIG_64BIT),3,2); \
102 PROGBITS=$(if $(CONFIG_ARM),%,@)progbits; \
103 echo "/* Generated by firmware/Makefile */" > $@;\
104 echo " .section .rodata" >>$@;\
105 echo " .p2align $${ASM_ALIGN}" >>$@;\
106 echo "_fw_$${FWSTR}_bin:" >>$@;\
107 echo " .incbin \"$(2)\"" >>$@;\
108 echo "_fw_end:" >>$@;\
109 echo " .section .rodata.str,\"aMS\",$${PROGBITS},1" >>$@;\
110 echo " .p2align $${ASM_ALIGN}" >>$@;\
111 echo "_fw_$${FWSTR}_name:" >>$@;\
112 echo " .string \"$$FWNAME\"" >>$@;\
113 echo " .section .builtin_fw,\"a\",$${PROGBITS}" >>$@;\
114 echo " .p2align $${ASM_ALIGN}" >>$@;\
115 echo " $${ASM_WORD} _fw_$${FWSTR}_name" >>$@;\
116 echo " $${ASM_WORD} _fw_$${FWSTR}_bin" >>$@;\
117 echo " $${ASM_WORD} _fw_end - _fw_$${FWSTR}_bin" >>$@;
118
119# One of these files will change, or come into existence, whenever
120# the configuration changes between 32-bit and 64-bit. The .S files
121# need to change when that happens.
122wordsize_deps := $(wildcard include/config/64bit.h include/config/32bit.h \
123 include/config/ppc32.h include/config/ppc64.h \
124 include/config/superh32.h include/config/superh64.h \
125 include/config/x86_32.h include/config/x86_64.h)
126
127# Workaround for make < 3.81, where .SECONDEXPANSION doesn't work.
128# It'll end up depending on these targets, so make them a PHONY rule which
129# depends on _all_ the directories in $(firmware-dirs), and it'll work out OK.
130PHONY += $(objtree)/$$(%) $(objtree)/$(obj)/$$(%)
131$(objtree)/$$(%) $(objtree)/$(obj)/$$(%): $(firmware-dirs)
132 @true
133
134# For the $$(dir %) trick, where we need % to be expanded first.
135.SECONDEXPANSION:
136
137$(patsubst %,$(obj)/%.gen.S, $(fw-shipped-y)): %: $(wordsize_deps) \
138 | $(objtree)/$$(dir %)
139 $(call cmd,fwbin,$(patsubst %.gen.S,%,$@))
140$(patsubst %,$(obj)/%.gen.S, $(fw-external-y)): %: $(wordsize_deps) \
50515af2 141 include/config/extra/firmware/dir.h | $(objtree)/$$(dir %)
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DW		 142 $(call cmd,fwbin,$(fwabs)/$(patsubst $(obj)/%.gen.S,%,$@))
143
144# The .o files depend on the binaries directly; the .S files don't.
145$(patsubst %,$(obj)/%.gen.o, $(fw-shipped-y)): %.gen.o: %
146$(patsubst %,$(obj)/%.gen.o, $(fw-external-y)): $(obj)/%.gen.o: $(fwdir)/%
147
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DW		 148# .ihex is used just as a simple way to hold binary files in a source tree
149# where binaries are frowned upon. They are directly converted with objcopy.
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DW		 150$(obj)/%: $(obj)/%.ihex | $(objtree)/$(obj)/$$(dir %)
151 $(call cmd,ihex)
152
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DW		 153# Don't depend on ihex2fw if we're installing and it already exists.
154# Putting it after | in the dependencies doesn't seem sufficient when
155# we're installing after a cross-compile, because ihex2fw has dependencies
156# on stuff like /usr/lib/gcc/ppc64-redhat-linux/4.3.0/include/stddef.h and
157# thus wants to be rebuilt. Which it can't be, if the prebuilt kernel tree
158# is exported read-only for someone to run 'make install'.
159ifeq ($(INSTALL):$(wildcard $(obj)/ihex2fw),install:$(obj)/ihex2fw)
160ihex2fw_dep :=
161else
162ihex2fw_dep := $(obj)/ihex2fw
163endif
164
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DW		 165# .HEX is also Intel HEX, but where the offset and length in each record
166# is actually meaningful, because the firmware has to be loaded in a certain
167# order rather than as a single binary blob. Thus, we convert them into our
168# more compact binary representation of ihex records (<linux/ihex.h>)
1cede1af 169$(obj)/%.fw: $(obj)/%.HEX $(ihex2fw_dep) | $(objtree)/$(obj)/$$(dir %)
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DW		 170 $(call cmd,ihex2fw)
171
59890f74 172# .H16 is our own modified form of Intel HEX, with 16-bit length for records.
1cede1af 173$(obj)/%.fw: $(obj)/%.H16 $(ihex2fw_dep) | $(objtree)/$(obj)/$$(dir %)
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DW		 174 $(call cmd,h16tofw)
175
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DW		 176$(firmware-dirs):
177 $(call cmd,mkdir)
178
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DW		 179obj-y += $(patsubst %,%.gen.o, $(fw-external-y))
180obj-$(CONFIG_FIRMWARE_IN_KERNEL) += $(patsubst %,%.gen.o, $(fw-shipped-y))
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DW		 181
182# Remove .S files and binaries created from ihex
183# (during 'make clean' .config isn't included so they're all in $(fw-shipped-))
184targets := $(fw-shipped-) $(patsubst $(obj)/%,%, \
185 $(shell find $(obj) -name \*.gen.S 2>/dev/null))
186
187# Without this, built-in.o won't be created when it's empty, and the
188# final vmlinux link will fail.
189obj-n := dummy
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DW		 190
191hostprogs-y := ihex2fw
kernel source for telekom puls (alcatel/mediatek)