Ouss4 commented on a change in pull request #5040:
URL: https://github.com/apache/incubator-nuttx/pull/5040#discussion_r772989804
##########
File path: arch/risc-v/src/mpfs/Make.defs
##########
@@ -89,3 +89,39 @@ endif
ifeq (${CONFIG_MPFS_BOOTLOADER},y)
CHIP_CSRCS += mpfs_cache.c
endif
+
+ifeq (${CONFIG_MPFS_OPENSBI},y)
+CHIP_ASRCS += mpfs_opensbi_utils.S
+CHIP_CSRCS += mpfs_opensbi.c
+
+OPENSBI_UNPACK = opensbi-3rdparty
+OPENSBI_COMMIT = 69d7e536138ae71a24028ca849d401a4d64d564b
+OPENSBI_URL = https://github.com/riscv-software-src/opensbi/tarball
+OPENSBI_TARBALL = opensbi.tar.gz
+OPENSBI_DIR = riscv-software-src-opensbi-69d7e53
+
+$(OPENSBI_TARBALL):
+ $(Q) echo "Downloading: OpenSBI"
+ $(Q) curl -L $(OPENSBI_URL)/$(OPENSBI_COMMIT) -o chip/$(OPENSBI_TARBALL)
+
+chip/$(OPENSBI_UNPACK): $(OPENSBI_TARBALL)
+ $(Q) echo "Unpacking: OpenSBI"
+ $(Q) tar xzf chip/$(OPENSBI_TARBALL) --directory chip/
+ $(Q) mv chip/$(OPENSBI_DIR)* chip/$(OPENSBI_UNPACK)
+ $(Q) touch chip/$(OPENSBI_UNPACK)
+ $(Q) (cd chip/$(OPENSBI_UNPACK); make;)
Review comment:
Is there a static library to directly download? If there is, we can
just pick that and add it to `EXTRA_LIBS`.
If we need to build it ourselves we can also do that, we have examples for
[OpenAMP](https://github.com/apache/incubator-nuttx/tree/master/openamp) and
[LittleFS](https://github.com/apache/incubator-nuttx/tree/master/fs/littlefs).
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