diff options
Diffstat (limited to 'make_helpers/build_macros.mk')
| -rw-r--r-- | make_helpers/build_macros.mk | 45 |
1 files changed, 42 insertions, 3 deletions
diff --git a/make_helpers/build_macros.mk b/make_helpers/build_macros.mk index 032e42c15..20a36fe08 100644 --- a/make_helpers/build_macros.mk +++ b/make_helpers/build_macros.mk @@ -109,6 +109,22 @@ define IMG_BIN ${BUILD_PLAT}/bl$(1).bin endef +# IMG_ENC_BIN defines the default encrypted image file corresponding to a +# BL stage +# $(1) = BL stage (2, 30, 31, 32, 33) +define IMG_ENC_BIN + ${BUILD_PLAT}/bl$(1)_enc.bin +endef + +# ENCRYPT_FW invokes enctool to encrypt firmware binary +# $(1) = input firmware binary +# $(2) = output encrypted firmware binary +define ENCRYPT_FW +$(2): $(1) enctool + $$(ECHO) " ENC $$<" + $$(Q)$$(ENCTOOL) $$(ENC_ARGS) -i $$< -o $$@ +endef + # TOOL_ADD_PAYLOAD appends the command line arguments required by fiptool to # package a new payload and/or by cert_create to generate certificate. # Optionally, it adds the dependency on this payload @@ -116,11 +132,17 @@ endef # $(2) = command line option for the specified payload (i.e. --soc-fw) # $(3) = tool target dependency (optional) (ex. build/fvp/release/bl31.bin) # $(4) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) +# $(5) = encrypted payload (optional) (ex. build/fvp/release/bl31_enc.bin) define TOOL_ADD_PAYLOAD +ifneq ($(5),) + $(4)FIP_ARGS += $(2) $(5) + $(if $(3),$(4)CRT_DEPS += $(1)) +else $(4)FIP_ARGS += $(2) $(1) + $(if $(3),$(4)CRT_DEPS += $(3)) +endif $(if $(3),$(4)FIP_DEPS += $(3)) $(4)CRT_ARGS += $(2) $(1) - $(if $(3),$(4)CRT_DEPS += $(3)) endef # TOOL_ADD_IMG_PAYLOAD works like TOOL_ADD_PAYLOAD, but applies image filters @@ -130,6 +152,7 @@ endef # $(3) = command line option for the specified payload (ex. --soc-fw) # $(4) = tool target dependency (optional) (ex. build/fvp/release/bl31.bin) # $(5) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) +# $(6) = encrypted payload (optional) (ex. build/fvp/release/bl31_enc.bin) define TOOL_ADD_IMG_PAYLOAD @@ -143,10 +166,10 @@ $(call $(PRE_TOOL_FILTER)_RULE,$(PROCESSED_PATH),$(2)) $(PROCESSED_PATH): $(4) -$(call TOOL_ADD_PAYLOAD,$(PROCESSED_PATH),$(3),$(PROCESSED_PATH),$(5)) +$(call TOOL_ADD_PAYLOAD,$(PROCESSED_PATH),$(3),$(PROCESSED_PATH),$(5),$(6)) else -$(call TOOL_ADD_PAYLOAD,$(2),$(3),$(4),$(5)) +$(call TOOL_ADD_PAYLOAD,$(2),$(3),$(4),$(5),$(6)) endif endef @@ -164,6 +187,7 @@ endef # $(1) = image_type (scp_bl2, bl33, etc.) # $(2) = command line option for fiptool (--scp-fw, --nt-fw, etc) # $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) +# $(4) = Image encryption flag (optional) (0, 1) # Example: # $(eval $(call TOOL_ADD_IMG,bl33,--nt-fw)) define TOOL_ADD_IMG @@ -173,7 +197,14 @@ define TOOL_ADD_IMG $(3)CRT_DEPS += check_$(1) $(3)FIP_DEPS += check_$(1) +ifeq ($(4),1) + $(eval ENC_BIN := ${BUILD_PLAT}/$(1)_enc.bin) + $(call ENCRYPT_FW,$(value $(_V)),$(ENC_BIN)) + $(call TOOL_ADD_IMG_PAYLOAD,$(1),$(value $(_V)),$(2),$(ENC_BIN),$(3), \ + $(ENC_BIN)) +else $(call TOOL_ADD_IMG_PAYLOAD,$(1),$(value $(_V)),$(2),,$(3)) +endif .PHONY: check_$(1) check_$(1): @@ -390,6 +421,7 @@ endef # $(1) = BL stage (1, 2, 2u, 31, 32) # $(2) = FIP command line option (if empty, image will not be included in the FIP) # $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) +# $(4) = BL encryption flag (optional) (0, 1) define MAKE_BL $(eval BUILD_DIR := ${BUILD_PLAT}/bl$(1)) $(eval BL_SOURCES := $(BL$(call uppercase,$(1))_SOURCES)) @@ -400,6 +432,7 @@ define MAKE_BL $(eval ELF := $(call IMG_ELF,$(1))) $(eval DUMP := $(call IMG_DUMP,$(1))) $(eval BIN := $(call IMG_BIN,$(1))) + $(eval ENC_BIN := $(call IMG_ENC_BIN,$(1))) $(eval BL_LINKERFILE := $(BL$(call uppercase,$(1))_LINKERFILE)) $(eval BL_LIBS := $(BL$(call uppercase,$(1))_LIBS)) # We use sort only to get a list of unique object directory names. @@ -480,7 +513,13 @@ endif all: bl$(1) +ifeq ($(4),1) +$(call ENCRYPT_FW,$(BIN),$(ENC_BIN)) +$(if $(2),$(call TOOL_ADD_IMG_PAYLOAD,bl$(1),$(BIN),--$(2),$(ENC_BIN),$(3), \ + $(ENC_BIN))) +else $(if $(2),$(call TOOL_ADD_IMG_PAYLOAD,bl$(1),$(BIN),--$(2),$(BIN),$(3))) +endif endef |