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util/nvmutil: nicer hexdump display

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make it look like hexdump -C, where individual bytes are
spaced, and there is an additional space after 8 bytes,
per row.

i won't bother with a character display, since that is
meaningless on gbe nvm words.

Signed-off-by: Leah Rowe <leah@libreboot.org>
This commit is contained in:
Leah Rowe
2025-01-03 00:36:17 +00:00
parent a338e585ee
commit 874317c4e5
1 changed files with 4 additions and 2 deletions
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util/nvmutil/nvmutil.c
+4 -2
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@@ -219,10 +219,12 @@ void
hexdump(int partnum) hexdump(int partnum)
{ {
for (int row = 0; row < 8; row++) { for (int row = 0; row < 8; row++) {
printf("%07x", row << 4); printf("%08x ", row << 4);
for (int c = 0; c < 8; c++) { for (int c = 0; c < 8; c++) {
uint16_t val16 = word((row << 3) + c, partnum); uint16_t val16 = word((row << 3) + c, partnum);
printf(" %02x%02x", val16 & 0xff, val16 >> 8); if (c == 4)
printf(" ");
printf(" %02x %02x", val16 & 0xff, val16 >> 8);
} printf("\n"); } printf("\n");
} }
} }