summaryrefslogtreecommitdiff
path: root/lib/bootconfig.c
diff options
context:
space:
mode:
authorNick Terrell <terrelln@fb.com>2022-10-21 16:00:35 -0700
committerNick Terrell <terrelln@fb.com>2022-10-21 16:00:35 -0700
commit14e77332e74603efab8347c89d3cda447c3b97c9 (patch)
treeb7b8a48f4f75590266a763c52e072dda32b228ae /lib/bootconfig.c
parent88a309465b3f05a100c3b81966982c0f9f5d23a6 (diff)
parent1d61754caa8c69f566504e63c8b3f3a2df0954c8 (diff)
Merge branch 'main' into zstd-next
Diffstat (limited to 'lib/bootconfig.c')
-rw-r--r--lib/bootconfig.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/bootconfig.c b/lib/bootconfig.c
index 74f3201ab8e5..c59d26068a64 100644
--- a/lib/bootconfig.c
+++ b/lib/bootconfig.c
@@ -12,6 +12,19 @@
#include <linux/kernel.h>
#include <linux/memblock.h>
#include <linux/string.h>
+
+#ifdef CONFIG_BOOT_CONFIG_EMBED
+/* embedded_bootconfig_data is defined in bootconfig-data.S */
+extern __visible const char embedded_bootconfig_data[];
+extern __visible const char embedded_bootconfig_data_end[];
+
+const char * __init xbc_get_embedded_bootconfig(size_t *size)
+{
+ *size = embedded_bootconfig_data_end - embedded_bootconfig_data;
+ return (*size) ? embedded_bootconfig_data : NULL;
+}
+#endif
+
#else /* !__KERNEL__ */
/*
* NOTE: This is only for tools/bootconfig, because tools/bootconfig will