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authorKarthikeyan Ramasubramanian <kramasub@google.com>2022-08-25 16:13:17 -0600
committerMartin Roth <martin.roth@amd.corp-partner.google.com>2022-10-02 22:14:18 +0000
commit6e44364908d5ac30d9324cc1b94a0c2a18d8ef21 (patch)
treeaac01489dd22b2c3867ff3b3bcd135c1f5999360 /src/soc/amd/mendocino/Makefile.inc
parent5b84dfd1c15955bcbd8ee43b941576da1f619922 (diff)
soc/amd/mendocino: Add build rules to separate signed PSP/AMDFW
Add build rules to separate signed PSP/AMDFW. Also add build rules to add the generated hash table containing SHA digest of individual PSP FW components into CBFS. This will allow verified boot to load and verify less components from SPI rom which means faster boot time. BUG=b:206909680 TEST=Build Skyrim with modified fmap and Kconfig Change-Id: If54504add72b30805b6874bee562e0b9482782b9 Signed-off-by: Kangheui Won <khwon@chromium.org> Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/67260 Reviewed-by: Jon Murphy <jpmurphy@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/amd/mendocino/Makefile.inc')
-rw-r--r--src/soc/amd/mendocino/Makefile.inc31
1 files changed, 31 insertions, 0 deletions
diff --git a/src/soc/amd/mendocino/Makefile.inc b/src/soc/amd/mendocino/Makefile.inc
index bdc1a7a6fb..f8aa96f9ca 100644
--- a/src/soc/amd/mendocino/Makefile.inc
+++ b/src/soc/amd/mendocino/Makefile.inc
@@ -161,6 +161,17 @@ PSP_VERSTAGE_FILE=$(call strip_quotes,$(CONFIG_PSP_VERSTAGE_FILE))
PSP_VERSTAGE_SIG_FILE=$(call strip_quotes,$(CONFIG_PSP_VERSTAGE_SIGNING_TOKEN))
endif # CONFIG_VBOOT_STARTS_BEFORE_BOOTBLOCK
+ifeq ($(CONFIG_SEPARATE_SIGNED_PSPFW),y)
+SIGNED_AMDFW_A_POSITION=$(call int-subtract, \
+ $(shell awk '$$2 == "FMAP_SECTION_SIGNED_AMDFW_A_START" {print $$3}' $(obj)/fmap_config.h) \
+ $(shell awk '$$2 == "FMAP_SECTION_FLASH_START" {print $$3}' $(obj)/fmap_config.h))
+SIGNED_AMDFW_B_POSITION=$(call int-subtract, \
+ $(shell awk '$$2 == "FMAP_SECTION_SIGNED_AMDFW_B_START" {print $$3}' $(obj)/fmap_config.h) \
+ $(shell awk '$$2 == "FMAP_SECTION_FLASH_START" {print $$3}' $(obj)/fmap_config.h))
+SIGNED_AMDFW_A_FILE=$(obj)/amdfw_a.rom.signed
+SIGNED_AMDFW_B_FILE=$(obj)/amdfw_b.rom.signed
+endif # CONFIG_SEPARATE_SIGNED_PSPFW
+
# Helper function to return a value with given bit set
# Soft Fuse type = 0xb - See #55758 (NDA) for bit definitions.
set-bit=$(call int-shift-left, 1 $(call _toint,$1))
@@ -194,6 +205,11 @@ OPT_EFS_SPI_READ_MODE=$(call add_opt_prefix, $(CONFIG_EFS_SPI_READ_MODE), --spi-
OPT_EFS_SPI_SPEED=$(call add_opt_prefix, $(CONFIG_EFS_SPI_SPEED), --spi-speed)
OPT_EFS_SPI_MICRON_FLAG=$(call add_opt_prefix, $(CONFIG_EFS_SPI_MICRON_FLAG), --spi-micron-flag)
+OPT_SIGNED_AMDFW_A_POSITION=$(call add_opt_prefix, $(SIGNED_AMDFW_A_POSITION), --signed-addr)
+OPT_SIGNED_AMDFW_A_FILE=$(call add_opt_prefix, $(SIGNED_AMDFW_A_FILE), --signed-output)
+OPT_SIGNED_AMDFW_B_POSITION=$(call add_opt_prefix, $(SIGNED_AMDFW_B_POSITION), --signed-addr)
+OPT_SIGNED_AMDFW_B_FILE=$(call add_opt_prefix, $(SIGNED_AMDFW_B_FILE), --signed-output)
+
OPT_PSP_SOFTFUSE=$(call add_opt_prefix, $(PSP_SOFTFUSE), --soft-fuse)
OPT_WHITELIST_FILE=$(call add_opt_prefix, $(PSP_WHITELIST_FILE), --whitelist)
@@ -260,6 +276,8 @@ $(obj)/amdfw_a.rom: $(obj)/amdfw.rom
$(OPT_APOB_NV_SIZE) \
$(OPT_APOB_NV_BASE) \
$(OPT_SPL_RW_AB_TABLE_FILE) \
+ $(OPT_SIGNED_AMDFW_A_POSITION) \
+ $(OPT_SIGNED_AMDFW_A_FILE) \
--location $(shell printf "%#x" $(MENDOCINO_FW_A_POSITION)) \
--anywhere \
--output $@
@@ -272,6 +290,8 @@ $(obj)/amdfw_b.rom: $(obj)/amdfw.rom
$(OPT_APOB_NV_SIZE) \
$(OPT_APOB_NV_BASE) \
$(OPT_SPL_RW_AB_TABLE_FILE) \
+ $(OPT_SIGNED_AMDFW_B_POSITION) \
+ $(OPT_SIGNED_AMDFW_B_FILE) \
--location $(shell printf "%#x" $(MENDOCINO_FW_B_POSITION)) \
--anywhere \
--output $@
@@ -292,6 +312,17 @@ cbfs-files-y += apu/amdfw_b
apu/amdfw_b-file := $(obj)/amdfw_b.rom
apu/amdfw_b-position := $(AMD_FW_AB_POSITION)
apu/amdfw_b-type := raw
+
+ifeq ($(CONFIG_SEPARATE_SIGNED_PSPFW),y)
+build_complete:: $(obj)/amdfw_a.rom $(obj)/amdfw_b.rom
+ @printf " Adding Signed ROM and HASH\n"
+ $(CBFSTOOL) $(obj)/coreboot.rom write -u -r SIGNED_AMDFW_A -i 0 -f $(obj)/amdfw_a.rom.signed
+ $(CBFSTOOL) $(obj)/coreboot.rom write -u -r SIGNED_AMDFW_B -i 0 -f $(obj)/amdfw_b.rom.signed
+ $(CBFSTOOL) $(obj)/coreboot.rom add -r FW_MAIN_A -f $(obj)/amdfw_a.rom.signed.hash \
+ -n apu/amdfw_a_hash -t raw
+ $(CBFSTOOL) $(obj)/coreboot.rom add -r FW_MAIN_B -f $(obj)/amdfw_b.rom.signed.hash \
+ -n apu/amdfw_b_hash -t raw
+endif # CONFIG_SEPARATE_SIGNED_PSPFW
endif
endif # ($(CONFIG_SOC_AMD_MENDOCINO),y)