x86: zimage: Export the function to obtain the cmdline
Allow reading the command line from a zimage, so that it can be recorded
in the bootflow.
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/x86/include/asm/zimage.h b/arch/x86/include/asm/zimage.h
index 966d722..9ad74dc 100644
--- a/arch/x86/include/asm/zimage.h
+++ b/arch/x86/include/asm/zimage.h
@@ -89,4 +89,14 @@
int zboot_start(ulong addr, ulong size, ulong initrd, ulong initrd_size,
ulong base, char *cmdline);
+/*
+ * zimage_get_kernel_version() - Get the version string from a kernel
+ *
+ * @params: boot_params pointer
+ * @kernel_base: base address of kernel
+ * Return: Kernel version as a NUL-terminated string
+ */
+const char *zimage_get_kernel_version(struct boot_params *params,
+ void *kernel_base);
+
#endif