[src/trunk]: src/sys/dev/usb Replace evil pointer casts that cause unaligned ...

[tsutsui <tsutsui%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/7fc674e702e2
branches:  trunk
changeset: 755902:7fc674e702e2
user:      tsutsui <tsutsui%NetBSD.org@localhost>
date:      Sun Jun 27 11:53:59 2010 +0000

description:
Replace evil pointer casts that cause unaligned access panic on ARM and
MIPS with proper le16dec(9) and le32dec(9) functions for byte stream.

Now kue(4) works on hpcarm W-ZERO3.

diffstat:

 sys/dev/usb/if_kuereg.h |  10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)

diffs (27 lines):

diff -r 7fd813d02ff9 -r 7fc674e702e2 sys/dev/usb/if_kuereg.h
--- a/sys/dev/usb/if_kuereg.h   Sun Jun 27 10:41:26 2010 +0000
+++ b/sys/dev/usb/if_kuereg.h   Sun Jun 27 11:53:59 2010 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_kuereg.h,v 1.11 2001/01/21 02:35:31 augustss Exp $  */
+/*     $NetBSD: if_kuereg.h,v 1.12 2010/06/27 11:53:59 tsutsui Exp $   */
 /*
  * Copyright (c) 1997, 1998, 1999, 2000
  *     Bill Paul <wpaul%ee.columbia.edu@localhost>.  All rights reserved.
@@ -69,13 +69,13 @@
 };
 
 #define KUE_ETHERSTATS(x)      \
-       (*(u_int32_t *)&(x)->kue_desc.kue_etherstats)
+       le32dec((x)->kue_desc.kue_etherstats)
 #define KUE_MAXSEG(x)          \
-       (*(u_int16_t *)&(x)->kue_desc.kue_maxseg)
+       le16dec((x)->kue_desc.kue_maxseg)
 #define KUE_MCFILTCNT(x)       \
-       ((*(u_int16_t *)&(x)->kue_desc.kue_mcastfilt) & 0x7FFF)
+       (le16dec((x)->kue_desc.kue_mcastfilt) & 0x7FFF)
 #define KUE_MCFILT(x, y)       \
-       (char *)&(sc->kue_mcfilters[y * ETHER_ADDR_LEN])
+       (uint8_t *)&(sc->kue_mcfilters[y * ETHER_ADDR_LEN])
 
 #define KUE_STAT_TX_OK                 0x00000001
 #define KUE_STAT_RX_OK                 0x00000002