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authordyoung <dyoung@NetBSD.org>2007-01-06 06:09:03 +0000
committerdyoung <dyoung@NetBSD.org>2007-01-06 06:09:03 +0000
commit6439fa375f8dbff88686db6d5e9c32d16601106e (patch)
treed3dccefcabc7af3e5f6be86b0cb0dcdd30584851 /sys/dev/ic
parentd7436b96b1a9507bb7bbf0904bfd287081ec5dab (diff)
Add a hint to the compiler that rx/tx descriptors deserve 4-byte
alignment. Helps GCC produce better code on ARM.
Diffstat (limited to 'sys/dev/ic')
-rw-r--r--sys/dev/ic/rtwreg.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/sys/dev/ic/rtwreg.h b/sys/dev/ic/rtwreg.h
index 42d00c893f4..8641f04dc60 100644
--- a/sys/dev/ic/rtwreg.h
+++ b/sys/dev/ic/rtwreg.h
@@ -1,4 +1,4 @@
-/* $NetBSD: rtwreg.h,v 1.21 2006/11/26 17:31:32 dyoung Exp $ */
+/* $NetBSD: rtwreg.h,v 1.22 2007/01/06 06:09:03 dyoung Exp $ */
/*-
* Copyright (c) 2004, 2005 David Young. All rights reserved.
*
@@ -840,7 +840,7 @@ struct rtw_txdesc {
volatile uint32_t td_len;
volatile uint32_t td_next;
volatile uint32_t td_rsvd[3];
-};
+} __attribute__((__packed__, __aligned__(4)));
#define td_stat td_ctl0
@@ -901,7 +901,7 @@ struct rtw_rxdesc {
volatile uint32_t rd_rsvd0;
volatile uint32_t rd_buf;
volatile uint32_t rd_rsvd1;
-};
+} __attribute__((__packed__, __aligned__(4)));
#define rd_stat rd_ctl
#define rd_rssi rd_rsvd0