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[PATCH v3 04/16] kconfig: introduce option to independently enable libfdt
- To: <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Alejandro Vallejo <agarciav@xxxxxxx>
- Date: Tue, 8 Apr 2025 17:07:26 +0100
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- Cc: "Daniel P. Smith" <dpsmith@xxxxxxxxxxxxxxxxxxxx>, Jason Andryuk <jason.andryuk@xxxxxxx>, Xenia Ragiadakou <xenia.ragiadakou@xxxxxxx>, "Stefano Stabellini" <sstabellini@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Julien Grall <julien@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Delivery-date: Tue, 08 Apr 2025 16:09:11 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
From: "Daniel P. Smith" <dpsmith@xxxxxxxxxxxxxxxxxxxx>
Currently, the inclusion of libfdt is controlled by the CONFIG_HAS_DEVICE_TREE
kconfig flag. This flag also changes behavior in a few places, such as boot
module processing for XSM. To support the ability to include libfdt without
changing these behaviors, introduce CONFIG_LIBFDT. The inclusion of
libfdt is then moved under CONFIG_LIBFDT.
Signed-off-by: Daniel P. Smith <dpsmith@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Jason Andryuk <jason.andryuk@xxxxxxx>
---
v3:
* Use CONFIG_LIBFDT instead of CONFIG_HAS_DEVICET_TREE
---
xen/common/Kconfig | 4 ++++
xen/common/Makefile | 2 +-
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/xen/common/Kconfig b/xen/common/Kconfig
index 06ae9751aa..00f74b1e32 100644
--- a/xen/common/Kconfig
+++ b/xen/common/Kconfig
@@ -72,6 +72,7 @@ config HAS_COMPAT
config HAS_DEVICE_TREE
bool
+ select LIBFDT
config HAS_DIT # Data Independent Timing
bool
@@ -106,6 +107,9 @@ config HAS_UBSAN
config HAS_VMAP
bool
+config LIBFDT
+ bool
+
config MEM_ACCESS_ALWAYS_ON
bool
diff --git a/xen/common/Makefile b/xen/common/Makefile
index 9da8a7244d..5a9041b0ee 100644
--- a/xen/common/Makefile
+++ b/xen/common/Makefile
@@ -79,7 +79,7 @@ obj-y += sched/
obj-$(CONFIG_UBSAN) += ubsan/
obj-$(CONFIG_NEEDS_LIBELF) += libelf/
-obj-$(CONFIG_HAS_DEVICE_TREE) += libfdt/
+obj-$(CONFIG_LIBFDT) += libfdt/
CONF_FILE := $(if $(patsubst
/%,,$(KCONFIG_CONFIG)),$(objtree)/)$(KCONFIG_CONFIG)
$(obj)/config.gz: $(CONF_FILE)
--
2.43.0
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