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sprincle volatile attribute for struct desc on memory to ease the 

target HW dependency on cache characteristic and load-store
serialization, and GCC compile time optimization strength.
This commit is contained in:
nisimura 2008-05-12 09:58:36 +00:00
parent 4f712549a9
commit 21ef04a5a6
7 changed files with 21 additions and 21 deletions
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6
sys/arch/sandpoint/stand/netboot/nvt.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: nvt.c,v 1.12 2008/04/28 20:23:34 martin Exp $ */
/* $NetBSD: nvt.c,v 1.13 2008/05/12 09:58:36 nisimura Exp $ */
/*-
* Copyright (c) 2007 The NetBSD Foundation, Inc.
@ -239,7 +239,7 @@ int
nvt_send(void *dev, char *buf, unsigned len)
{
struct local *l = dev;
struct desc *txd;
volatile struct desc *txd;
unsigned loop;
len = (len & T_FLMASK);
@ -270,7 +270,7 @@ int
nvt_recv(void *dev, char *buf, unsigned maxlen, unsigned timo)
{
struct local *l = dev;
struct desc *rxd;
volatile struct desc *rxd;
unsigned bound, rxstat, len;
uint8_t *ptr;

6
sys/arch/sandpoint/stand/netboot/pcn.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: pcn.c,v 1.11 2008/04/28 20:23:34 martin Exp $ */
/* $NetBSD: pcn.c,v 1.12 2008/05/12 09:58:36 nisimura Exp $ */
/*-
* Copyright (c) 2007 The NetBSD Foundation, Inc.
@ -221,7 +221,7 @@ int
pcn_send(void *dev, char *buf, unsigned len)
{
struct local *l = dev;
struct desc *txd;
volatile struct desc *txd;
unsigned loop;
int tlen;
@ -249,7 +249,7 @@ int
pcn_recv(void *dev, char *buf, unsigned maxlen, unsigned timo)
{
struct local *l = dev;
struct desc *rxd;
volatile struct desc *rxd;
unsigned bound, rxstat, len;
uint8_t *ptr;

6
sys/arch/sandpoint/stand/netboot/rge.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: rge.c,v 1.10 2008/04/28 20:23:34 martin Exp $ */
/* $NetBSD: rge.c,v 1.11 2008/05/12 09:58:36 nisimura Exp $ */
/*-
* Copyright (c) 2007 The NetBSD Foundation, Inc.
@ -227,7 +227,7 @@ int
rge_send(void *dev, char *buf, unsigned len)
{
struct local *l = dev;
struct desc *txd;
volatile struct desc *txd;
unsigned loop;
wbinv(buf, len);
@ -254,7 +254,7 @@ int
rge_recv(void *dev, char *buf, unsigned maxlen, unsigned timo)
{
struct local *l = dev;
struct desc *rxd;
volatile struct desc *rxd;
unsigned bound, rxstat, len;
uint8_t *ptr;

6
sys/arch/sandpoint/stand/netboot/sip.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: sip.c,v 1.12 2008/04/28 20:23:34 martin Exp $ */
/* $NetBSD: sip.c,v 1.13 2008/05/12 09:58:36 nisimura Exp $ */
/*-
* Copyright (c) 2007 The NetBSD Foundation, Inc.
@ -223,7 +223,7 @@ int
sip_send(void *dev, char *buf, unsigned len)
{
struct local *l = dev;
struct desc *txd;
volatile struct desc *txd;
unsigned loop;
wbinv(buf, len);
@ -249,7 +249,7 @@ int
sip_recv(void *dev, char *buf, unsigned maxlen, unsigned timo)
{
struct local *l = dev;
struct desc *rxd;
volatile struct desc *rxd;
unsigned bound, rxstat, len;
uint8_t *ptr;

6
sys/arch/sandpoint/stand/netboot/tlp.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: tlp.c,v 1.15 2008/04/28 20:23:34 martin Exp $ */
/* $NetBSD: tlp.c,v 1.16 2008/05/12 09:58:36 nisimura Exp $ */
/*-
* Copyright (c) 2007 The NetBSD Foundation, Inc.
@ -206,7 +206,7 @@ int
tlp_send(void *dev, char *buf, unsigned len)
{
struct local *l = dev;
struct desc *txd;
volatile struct desc *txd;
unsigned loop;
wbinv(buf, len);
@ -234,7 +234,7 @@ int
tlp_recv(void *dev, char *buf, unsigned maxlen, unsigned timo)
{
struct local *l = dev;
struct desc *rxd;
volatile struct desc *rxd;
unsigned bound, rxstat, len;
uint8_t *ptr;

6
sys/arch/sandpoint/stand/netboot/vge.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: vge.c,v 1.13 2008/04/28 20:23:34 martin Exp $ */
/* $NetBSD: vge.c,v 1.14 2008/05/12 09:58:36 nisimura Exp $ */
/*-
* Copyright (c) 2007 The NetBSD Foundation, Inc.
@ -310,7 +310,7 @@ int
vge_send(void *dev, char *buf, unsigned len)
{
struct local *l = dev;
struct tdesc *txd;
volatile struct tdesc *txd;
unsigned loop;
len = (len & T_FLMASK);
@ -341,7 +341,7 @@ int
vge_recv(void *dev, char *buf, unsigned maxlen, unsigned timo)
{
struct local *l = dev;
struct rdesc *rxd;
volatile struct rdesc *rxd;
unsigned bound, rxstat, len;
uint8_t *ptr;

6
sys/arch/sandpoint/stand/netboot/wm.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: wm.c,v 1.5 2008/04/28 20:23:34 martin Exp $ */
/* $NetBSD: wm.c,v 1.6 2008/05/12 09:58:36 nisimura Exp $ */
/*-
* Copyright (c) 2007 The NetBSD Foundation, Inc.
@ -219,7 +219,7 @@ int
wm_send(void *dev, char *buf, unsigned len)
{
struct local *l = dev;
struct tdesc *txd;
volatile struct tdesc *txd;
unsigned loop;
wbinv(buf, len);
@ -246,7 +246,7 @@ int
wm_recv(void *dev, char *buf, unsigned maxlen, unsigned timo)
{
struct local *l = dev;
struct rdesc *rxd;
volatile struct rdesc *rxd;
unsigned bound, rxstat, len;
uint8_t *ptr;