[PATCH v4 02/15] Makefile: Add initial kconfig support for each platform
Anup Patel
apatel at ventanamicro.com
Sat Jul 30 21:56:40 PDT 2022
We extend the top-level makefile to allow kconfig based configuration
for each platform where each platform has it's own set of configs with
"defconfig" being the default config.
Signed-off-by: Anup Patel <apatel at ventanamicro.com>
---
Kconfig | 23 ++++++++++
Makefile | 56 +++++++++++++++++++++--
firmware/Kconfig | 1 +
lib/utils/Kconfig | 1 +
platform/andes/ae350/Kconfig | 5 ++
platform/andes/ae350/configs/defconfig | 0
platform/fpga/ariane/Kconfig | 5 ++
platform/fpga/ariane/configs/defconfig | 0
platform/fpga/openpiton/Kconfig | 5 ++
platform/fpga/openpiton/configs/defconfig | 0
platform/generic/Kconfig | 5 ++
platform/generic/configs/defconfig | 0
platform/kendryte/k210/Kconfig | 5 ++
platform/kendryte/k210/configs/defconfig | 0
platform/nuclei/ux600/Kconfig | 5 ++
platform/nuclei/ux600/configs/defconfig | 0
platform/template/Kconfig | 5 ++
platform/template/configs/defconfig | 0
18 files changed, 113 insertions(+), 3 deletions(-)
create mode 100644 Kconfig
create mode 100644 firmware/Kconfig
create mode 100644 lib/utils/Kconfig
create mode 100644 platform/andes/ae350/Kconfig
create mode 100644 platform/andes/ae350/configs/defconfig
create mode 100644 platform/fpga/ariane/Kconfig
create mode 100644 platform/fpga/ariane/configs/defconfig
create mode 100644 platform/fpga/openpiton/Kconfig
create mode 100644 platform/fpga/openpiton/configs/defconfig
create mode 100644 platform/generic/Kconfig
create mode 100644 platform/generic/configs/defconfig
create mode 100644 platform/kendryte/k210/Kconfig
create mode 100644 platform/kendryte/k210/configs/defconfig
create mode 100644 platform/nuclei/ux600/Kconfig
create mode 100644 platform/nuclei/ux600/configs/defconfig
create mode 100644 platform/template/Kconfig
create mode 100644 platform/template/configs/defconfig
diff --git a/Kconfig b/Kconfig
new file mode 100644
index 0000000..b3213a9
--- /dev/null
+++ b/Kconfig
@@ -0,0 +1,23 @@
+# SPDX-License-Identifier: BSD-2-Clause
+
+mainmenu "OpenSBI $(OPENSBI_PLATFORM) Configuration"
+
+config OPENSBI_SRC_DIR
+ string
+ option env="OPENSBI_SRC_DIR"
+
+config OPENSBI_PLATFORM
+ string
+ option env="OPENSBI_PLATFORM"
+
+config OPENSBI_PLATFORM_SRC_DIR
+ string
+ option env="OPENSBI_PLATFORM_SRC_DIR"
+
+menu "Platform Options"
+source "$(OPENSBI_PLATFORM_SRC_DIR)/Kconfig"
+endmenu
+
+source "$(OPENSBI_SRC_DIR)/lib/utils/Kconfig"
+
+source "$(OPENSBI_SRC_DIR)/firmware/Kconfig"
diff --git a/Makefile b/Makefile
index f619ef7..b10cc19 100644
--- a/Makefile
+++ b/Makefile
@@ -52,6 +52,9 @@ ifdef PLATFORM_DIR
else
platform_parent_dir=$(src_dir)/platform
endif
+ifndef PLATFORM_DEFCONFIG
+PLATFORM_DEFCONFIG=defconfig
+endif
# Check if verbosity is ON for build process
CMD_PREFIX_DEFAULT := @
@@ -70,6 +73,20 @@ export libsbi_dir=$(CURDIR)/lib/sbi
export libsbiutils_dir=$(CURDIR)/lib/utils
export firmware_dir=$(CURDIR)/firmware
+# Setup variables for kconfig
+ifdef PLATFORM
+export PYTHONDONTWRITEBYTECODE=1
+export KCONFIG_DIR=$(platform_build_dir)/kconfig
+export KCONFIG_AUTOLIST=$(KCONFIG_DIR)/auto.list
+export KCONFIG_AUTOHEADER=$(KCONFIG_DIR)/autoconf.h
+export KCONFIG_AUTOCMD=$(KCONFIG_DIR)/auto.conf.cmd
+export KCONFIG_CONFIG=$(KCONFIG_DIR)/.config
+# Additional exports for include paths in Kconfig files
+export OPENSBI_SRC_DIR=$(src_dir)
+export OPENSBI_PLATFORM=$(PLATFORM)
+export OPENSBI_PLATFORM_SRC_DIR=$(platform_src_dir)
+endif
+
# Find library version
OPENSBI_VERSION_MAJOR=`grep "define OPENSBI_VERSION_MAJOR" $(include_dir)/sbi/sbi_version.h | sed 's/.*MAJOR.*\([0-9][0-9]*\)/\1/'`
OPENSBI_VERSION_MINOR=`grep "define OPENSBI_VERSION_MINOR" $(include_dir)/sbi/sbi_version.h | sed 's/.*MINOR.*\([0-9][0-9]*\)/\1/'`
@@ -183,8 +200,35 @@ libsbi-object-mks=$(shell if [ -d $(libsbi_dir) ]; then find $(libsbi_dir) -inam
libsbiutils-object-mks=$(shell if [ -d $(libsbiutils_dir) ]; then find $(libsbiutils_dir) -iname "objects.mk" | sort -r; fi)
firmware-object-mks=$(shell if [ -d $(firmware_dir) ]; then find $(firmware_dir) -iname "objects.mk" | sort -r; fi)
-# Include platform specifig config.mk
+# The "make all" rule should always be first rule
+.PHONY: all
+all:
+
+# Include platform specific .config and config.mk
ifdef PLATFORM
+.PHONY: menuconfig
+menuconfig: $(platform_src_dir)/Kconfig $(src_dir)/Kconfig
+ $(CMD_PREFIX)mkdir -p $(KCONFIG_DIR)
+ $(CMD_PREFIX)$(src_dir)/scripts/Kconfiglib/menuconfig.py $(src_dir)/Kconfig
+
+.PHONY: savedefconfig
+savedefconfig: $(platform_src_dir)/Kconfig $(src_dir)/Kconfig
+ $(CMD_PREFIX)mkdir -p $(KCONFIG_DIR)
+ $(CMD_PREFIX)$(src_dir)/scripts/Kconfiglib/savedefconfig.py --kconfig $(src_dir)/Kconfig --out $(KCONFIG_DIR)/defconfig
+
+$(KCONFIG_CONFIG): $(platform_src_dir)/configs/$(PLATFORM_DEFCONFIG) $(platform_src_dir)/Kconfig $(src_dir)/Kconfig
+ $(CMD_PREFIX)mkdir -p $(KCONFIG_DIR)
+ $(CMD_PREFIX)$(src_dir)/scripts/Kconfiglib/defconfig.py --kconfig $(src_dir)/Kconfig $(platform_src_dir)/configs/$(PLATFORM_DEFCONFIG)
+ $(CMD_PREFIX)$(src_dir)/scripts/Kconfiglib/genconfig.py --header-path $(KCONFIG_AUTOHEADER) --sync-deps $(KCONFIG_DIR) --file-list $(KCONFIG_AUTOLIST) $(src_dir)/Kconfig
+
+$(KCONFIG_AUTOCMD): $(KCONFIG_CONFIG)
+ $(CMD_PREFIX)mkdir -p $(KCONFIG_DIR)
+ $(CMD_PREFIX)echo -n "$(KCONFIG_CONFIG): " > $(KCONFIG_AUTOCMD)
+ $(CMD_PREFIX)cat $(KCONFIG_AUTOLIST) | tr '\n' ' ' >> $(KCONFIG_AUTOCMD)
+
+include $(KCONFIG_CONFIG)
+include $(KCONFIG_AUTOCMD)
+
include $(platform_src_dir)/config.mk
endif
@@ -280,6 +324,9 @@ ifeq ($(BUILD_INFO),y)
GENFLAGS += -DOPENSBI_BUILD_TIME_STAMP="\"$(OPENSBI_BUILD_TIME_STAMP)\""
GENFLAGS += -DOPENSBI_BUILD_COMPILER_VERSION="\"$(OPENSBI_BUILD_COMPILER_VERSION)\""
endif
+ifdef PLATFORM
+GENFLAGS += -include $(KCONFIG_AUTOHEADER)
+endif
GENFLAGS += $(libsbiutils-genflags-y)
GENFLAGS += $(platform-genflags-y)
GENFLAGS += $(firmware-genflags-y)
@@ -419,7 +466,7 @@ targets-y += $(platform_build_dir)/lib/libplatsbi.a
endif
targets-y += $(firmware-bins-path-y)
-# Default rule "make" should always be first rule
+# The default "make all" rule
.PHONY: all
all: $(targets-y)
@@ -456,7 +503,7 @@ $(build_dir)/%.o: $(src_dir)/%.S
$(call compile_as,$@,$<)
$(build_dir)/%.dep: $(src_dir)/%.carray
- $(call compile_gen_dep,$@,.c,$<)
+ $(call compile_gen_dep,$@,.c,$< $(KCONFIG_CONFIG))
$(call compile_gen_dep,$@,.o,$(@:.dep=.c))
$(build_dir)/%.c: $(src_dir)/%.carray
@@ -523,6 +570,9 @@ docs: $(build_dir)/docs/latex/refman.pdf
# They should not be included for any "xxxconfig" or "xxxclean" rule
all-deps-1 = $(if $(findstring config,$(MAKECMDGOALS)),,$(deps-y))
all-deps-2 = $(if $(findstring clean,$(MAKECMDGOALS)),,$(all-deps-1))
+ifdef PLATFORM
+$(all-deps-2): | $(KCONFIG_CONFIG)
+endif
-include $(all-deps-2)
# Include external dependency of firmwares after default Makefile rules
diff --git a/firmware/Kconfig b/firmware/Kconfig
new file mode 100644
index 0000000..d6e0506
--- /dev/null
+++ b/firmware/Kconfig
@@ -0,0 +1 @@
+# SPDX-License-Identifier: BSD-2-Clause
diff --git a/lib/utils/Kconfig b/lib/utils/Kconfig
new file mode 100644
index 0000000..d6e0506
--- /dev/null
+++ b/lib/utils/Kconfig
@@ -0,0 +1 @@
+# SPDX-License-Identifier: BSD-2-Clause
diff --git a/platform/andes/ae350/Kconfig b/platform/andes/ae350/Kconfig
new file mode 100644
index 0000000..4b73c76
--- /dev/null
+++ b/platform/andes/ae350/Kconfig
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: BSD-2-Clause
+
+config PLATFORM_ANDES_AE350
+ bool
+ default y
diff --git a/platform/andes/ae350/configs/defconfig b/platform/andes/ae350/configs/defconfig
new file mode 100644
index 0000000..e69de29
diff --git a/platform/fpga/ariane/Kconfig b/platform/fpga/ariane/Kconfig
new file mode 100644
index 0000000..70d2004
--- /dev/null
+++ b/platform/fpga/ariane/Kconfig
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: BSD-2-Clause
+
+config PLATFORM_ARIANE_FPGA
+ bool
+ default y
diff --git a/platform/fpga/ariane/configs/defconfig b/platform/fpga/ariane/configs/defconfig
new file mode 100644
index 0000000..e69de29
diff --git a/platform/fpga/openpiton/Kconfig b/platform/fpga/openpiton/Kconfig
new file mode 100644
index 0000000..81e4b76
--- /dev/null
+++ b/platform/fpga/openpiton/Kconfig
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: BSD-2-Clause
+
+config PLATFORM_OPENPITON_FPGA
+ bool
+ default y
diff --git a/platform/fpga/openpiton/configs/defconfig b/platform/fpga/openpiton/configs/defconfig
new file mode 100644
index 0000000..e69de29
diff --git a/platform/generic/Kconfig b/platform/generic/Kconfig
new file mode 100644
index 0000000..3eab282
--- /dev/null
+++ b/platform/generic/Kconfig
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: BSD-2-Clause
+
+config PLATFORM_GENERIC
+ bool
+ default y
diff --git a/platform/generic/configs/defconfig b/platform/generic/configs/defconfig
new file mode 100644
index 0000000..e69de29
diff --git a/platform/kendryte/k210/Kconfig b/platform/kendryte/k210/Kconfig
new file mode 100644
index 0000000..889f16b
--- /dev/null
+++ b/platform/kendryte/k210/Kconfig
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: BSD-2-Clause
+
+config PLATFORM_KENDRYTE_K210
+ bool
+ default y
diff --git a/platform/kendryte/k210/configs/defconfig b/platform/kendryte/k210/configs/defconfig
new file mode 100644
index 0000000..e69de29
diff --git a/platform/nuclei/ux600/Kconfig b/platform/nuclei/ux600/Kconfig
new file mode 100644
index 0000000..c368ef4
--- /dev/null
+++ b/platform/nuclei/ux600/Kconfig
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: BSD-2-Clause
+
+config PLATFORM_NUCLEI_UX600
+ bool
+ default y
diff --git a/platform/nuclei/ux600/configs/defconfig b/platform/nuclei/ux600/configs/defconfig
new file mode 100644
index 0000000..e69de29
diff --git a/platform/template/Kconfig b/platform/template/Kconfig
new file mode 100644
index 0000000..b9c4350
--- /dev/null
+++ b/platform/template/Kconfig
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: BSD-2-Clause
+
+config PLATFORM_TEMPLATE
+ bool
+ default y
diff --git a/platform/template/configs/defconfig b/platform/template/configs/defconfig
new file mode 100644
index 0000000..e69de29
--
2.34.1
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