diff options
Diffstat (limited to 'util/nvmutil')
| -rw-r--r-- | util/nvmutil/nvmutil.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c index f6fd591d..6b2528f5 100644 --- a/util/nvmutil/nvmutil.c +++ b/util/nvmutil/nvmutil.c @@ -449,11 +449,14 @@ set_mac_nib(int mac_pos, int nib) h = (h & 0xE) | 2; /* local, unicast */ /* - * The word is stored big-endian in the file. - * Logically in C, it is stored little-endian, - * because of how we load in read_gbe(), so - * we store the MAC address in reverse order - * per 2-byte word (there are 3 of these). + * Words other than the MAC address are stored little + * endian in the file, and we handle that when reading. + * However, MAC address words are stored big-endian + * in that file, so we write each 2-byte word logically + * in little-endian order, which on little-endian would + * be stored big-endian in memory, and vice versa. + * + * Later code using the MAC string will handle this. */ shift = (byte & 1) << 3; /* left or right byte? */ shift |= (nib ^ 1) << 2; /* left or right nib? */ |