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authorLeah Rowe <leah@libreboot.org>2026-03-18 14:04:51 +0000
committerLeah Rowe <leah@libreboot.org>2026-03-18 14:20:06 +0000
commit594cc262f4404feab6ab437dacc010f6d1f6263f (patch)
tree6f3fc0157fbfbf8bb98216703246f888cf59cfbc /util/nvmutil/word.c
parent4dbb1c9bf3e88612ccaf471d3f6db120d255b33b (diff)
nvmutil: move lib files to lib/
only keep nvmutil.c in main Signed-off-by: Leah Rowe <leah@libreboot.org>
Diffstat (limited to 'util/nvmutil/word.c')
-rw-r--r--util/nvmutil/word.c98
1 files changed, 0 insertions, 98 deletions
diff --git a/util/nvmutil/word.c b/util/nvmutil/word.c
deleted file mode 100644
index 5d202544..00000000
--- a/util/nvmutil/word.c
+++ /dev/null
@@ -1,98 +0,0 @@
-/* SPDX-License-Identifier: MIT
- *
- * Copyright (c) 2022-2026 Leah Rowe <leah@libreboot.org>
- *
- * Manipulate sixteen-bit little-endian
- * words on Intel GbE NVM configurations.
- */
-
-#ifdef __OpenBSD__
-#include <sys/param.h>
-#endif
-#include <sys/types.h>
-#include <sys/stat.h>
-
-#include <errno.h>
-#include <fcntl.h>
-#include <limits.h>
-#include <stdarg.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-#include <unistd.h>
-
-#include "include/common.h"
-
-/*
- * GbE NVM files store 16-bit (2-byte) little-endian words.
- * We must therefore swap the order when reading or writing.
- *
- * NOTE: The MAC address words are stored big-endian in the
- * file, but we assume otherwise and adapt accordingly.
- */
-
-unsigned short
-nvm_word(unsigned long pos16, unsigned long p)
-{
- struct xstate *x = xstatus();
- struct xfile *f;
-
- unsigned long pos;
-
- f = &x->f;
-
- check_nvm_bound(pos16, p);
- pos = (pos16 << 1) + (p * GBE_PART_SIZE);
-
- return (unsigned short)f->buf[pos] |
- ((unsigned short)f->buf[pos + 1] << 8);
-}
-
-void
-set_nvm_word(unsigned long pos16, unsigned long p, unsigned short val16)
-{
- struct xstate *x = xstatus();
- struct xfile *f;
-
- unsigned long pos;
-
- f = &x->f;
-
- check_nvm_bound(pos16, p);
- pos = (pos16 << 1) + (p * GBE_PART_SIZE);
-
- f->buf[pos] = (unsigned char)(val16 & 0xff);
- f->buf[pos + 1] = (unsigned char)(val16 >> 8);
-
- set_part_modified(p);
-}
-
-void
-set_part_modified(unsigned long p)
-{
- struct xstate *x = xstatus();
- struct xfile *f;
-
- f = &x->f;
-
- check_bin(p, "part number");
- f->part_modified[p] = 1;
-}
-
-void
-check_nvm_bound(unsigned long c, unsigned long p)
-{
- /*
- * NVM_SIZE assumed as the limit, because this
- * current design assumes that we will only
- * ever modified the NVM area.
- */
-
- check_bin(p, "part number");
-
- if (c >= NVM_WORDS)
- err(ECANCELED, "check_nvm_bound: out of bounds %lu",
- (unsigned long)c);
-}