Since during the arm64 kexec_load()/kdump invocation,
the dtb is passed to the second kernel, it is sometimes useful
to dump the dtb contents (to verify the correctness
of the same).
This patch adds this feature which is enabled when '-d' flag is
used with kexec command line invocation.
Signed-off-by: Bhupesh Sharma <bhsharma@xxxxxxxxxx>
Merge with 2nd patch
Signed-off-by: Bhupesh Sharma <bhsharma@xxxxxxxxxx>
---
kexec/arch/arm64/kexec-arm64.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/kexec/arch/arm64/kexec-arm64.c b/kexec/arch/arm64/kexec-arm64.c
index 62f37585b788..c304c3775ada 100644
--- a/kexec/arch/arm64/kexec-arm64.c
+++ b/kexec/arch/arm64/kexec-arm64.c
@@ -471,12 +471,14 @@ static int setup_2nd_dtb(struct dtb *dtb, char *command_line, int on_crash)
result = -EINVAL;
goto on_error;
}
-
+
fdt_pack(new_buf);
dtb->buf = new_buf;
dtb->size = fdt_totalsize(new_buf);
}
+ dbgprintf("%s: found %s\n", __func__, dtb->path);
+ dump_fdt(dtb->buf);
dump_reservemap(dtb);
--
2.7.4
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