xen: arm: Add comment regard arm64 zImage v0 vs v1

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Julien Grall <julien.grall@linaro.org>

diff --git a/xen/arch/arm/kernel.c b/xen/arch/arm/kernel.c
index 315d12c9178fed06a128f2df52cd7f7bf2d2a91d..7036d94708fae6cb182f689e8a1c9dfaa1cd4e43 100644 (file)
--- a/xen/arch/arm/kernel.c
+++ b/xen/arch/arm/kernel.c
@@ -139,6 +139,7 @@ static int kernel_try_zimage64_prepare(struct kernel_info *info,
         uint64_t text_offset;  /* Image load offset */
         uint64_t res1;
         uint64_t res2;
+        /* zImage V1 only from here */
         uint64_t res3;
         uint64_t res4;
         uint64_t res5;