From d666f67ebe5648ac72de698ff61d6593a8ea83ea Mon Sep 17 00:00:00 2001
From: Leah Rowe <leah@libreboot.org>
Date: Mon, 27 Jan 2025 04:47:49 +0000
Subject: util/nvmutil: Show bytes written in writeGbe
This will be useful for future debugging, and future
work on optimisations.
Signed-off-by: Leah Rowe <leah@libreboot.org>
---
util/nvmutil/nvmutil.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
(limited to 'util/nvmutil/nvmutil.c')
diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c
index 729f2830..a7aee76f 100644
--- a/util/nvmutil/nvmutil.c
+++ b/util/nvmutil/nvmutil.c
@@ -420,16 +420,24 @@ writeGbe(void)
if ((!gbeFileChanged) || (flags == O_RDONLY))
return;
+ size_t tbw = 0; /* total bytes written */
+
for (int p = 0; p < 2; p++) {
if ((!nvmPartChanged[p]))
continue;
swap(p); /* swap bytes on big-endian host CPUs */
-
err_if(pwrite(fd, (uint8_t *) gbe[p], nf, p * partsize)
== -1);
+
+ tbw += nf;
}
+ if ((!tbw) && (gbeFileChanged))
+ fprintf(stderr, "No changes needed on file '%s'\n", filename);
+ else if (tbw)
+ printf("%ld bytes written to file '%s'\n", tbw, filename);
+
errno = 0;
err_if(close(fd) == -1);
}
--
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