Some times in the device tree, we find an array of 2 u32 cells that
really are a single u64 value. This patch adds a helper to make the
creation of these easy.
Signed-off-by: Alexander Graf <ag...@suse.de>
---
device_tree.c | 7 +++++++
device_tree.h | 2 ++
2 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/device_tree.c b/device_tree.c
index 317bdd0..b511b34 100644
--- a/device_tree.c
+++ b/device_tree.c
@@ -154,6 +154,13 @@ int qemu_devtree_setprop_cell(void *fdt, const char
*node_path,
return r;
}
+int qemu_devtree_setprop_cell64(void *fdt, const char *node_path,
+ const char *property, uint64_t val)
+{
+ val = cpu_to_be64(val);
+ return qemu_devtree_setprop(fdt, node_path, property, &val, sizeof(val));
+}
+
int qemu_devtree_setprop_cell2(void *fdt, const char *node_path,
const char *property, uint32_t val,
uint32_t val2)
diff --git a/device_tree.h b/device_tree.h
index f37a4da..6f08483 100644
--- a/device_tree.h
+++ b/device_tree.h
@@ -21,6 +21,8 @@ int qemu_devtree_setprop(void *fdt, const char *node_path,
const char *property, void *val_array, int size);
int qemu_devtree_setprop_cell(void *fdt, const char *node_path,
const char *property, uint32_t val);
+int qemu_devtree_setprop_cell64(void *fdt, const char *node_path,
+ const char *property, uint64_t val);
int qemu_devtree_setprop_cell2(void *fdt, const char *node_path,
const char *property, uint32_t val,
uint32_t val2);
--
1.6.0.2
