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authorLinus Torvalds <torvalds@athlon.transmeta.com>2002-02-04 20:21:22 -0800
committerLinus Torvalds <torvalds@athlon.transmeta.com>2002-02-04 20:21:22 -0800
commit0a528ace2ea013fe60efaf633084b154962bfdbb (patch)
tree4e038736f3e5ff9eece35f5c2a8efcbb4487a477 /include/asm-cris/system.h
parent8b29e8edf0ed8f63ecb35b16946f222854d74ad0 (diff)
v2.4.10.5 -> v2.4.10.6
- various: fix some module exports uncovered by stricter error checking - Urban Widmark: make smbfs use same error define names as samba and win32 - Greg KH: USB update - Tom Rini: MPC8xx ppc update - Matthew Wilcox: rd.c page cache flushing fix - Richard Gooch: devfs race fix: rwsem for symlinks - Björn Wesen: Cris arch update - Nikita Danilov: reiserfs cleanup - Tim Waugh: parport update - Peter Rival: update alpha SMP bootup to match wait_init_idle fixes - Trond Myklebust: lockd/grace period fix
Diffstat (limited to 'include/asm-cris/system.h')
-rw-r--r--include/asm-cris/system.h34
1 files changed, 20 insertions, 14 deletions
diff --git a/include/asm-cris/system.h b/include/asm-cris/system.h
index 8c5b38977603..95c6c4198da5 100644
--- a/include/asm-cris/system.h
+++ b/include/asm-cris/system.h
@@ -1,5 +1,3 @@
-/* $Id: system.h,v 1.4 2001/03/20 19:46:00 bjornw Exp $ */
-
#ifndef __ASM_CRIS_SYSTEM_H
#define __ASM_CRIS_SYSTEM_H
@@ -16,22 +14,30 @@ extern struct task_struct *resume(struct task_struct *prev, struct task_struct *
#define switch_to(prev,next,last) last = resume(prev,next, \
(int)&((struct task_struct *)0)->thread)
+/* read the CPU version register */
+
+static inline unsigned long rdvr(void) {
+ unsigned long vr;
+ __asm__ volatile ("move $vr,%0" : "=rm" (vr));
+ return vr;
+}
+
/* read/write the user-mode stackpointer */
-extern inline unsigned long rdusp(void) {
+static inline unsigned long rdusp(void) {
unsigned long usp;
- __asm__ __volatile__("move usp,%0" : "=rm" (usp));
+ __asm__ __volatile__("move $usp,%0" : "=rm" (usp));
return usp;
}
#define wrusp(usp) \
- __asm__ __volatile__("move %0,usp" : /* no outputs */ : "rm" (usp))
+ __asm__ __volatile__("move %0,$usp" : /* no outputs */ : "rm" (usp))
/* read the current stackpointer */
-extern inline unsigned long rdsp(void) {
+static inline unsigned long rdsp(void) {
unsigned long sp;
- __asm__ __volatile__("move.d sp,%0" : "=rm" (sp));
+ __asm__ __volatile__("move.d $sp,%0" : "=rm" (sp));
return sp;
}
@@ -51,18 +57,18 @@ struct __xchg_dummy { unsigned long a[100]; };
#if 0
/* use these and an oscilloscope to see the fraction of time we're running with IRQ's disabled */
/* it assumes the LED's are on port 0x90000000 of course. */
-#define sti() __asm__ __volatile__ ( "ei\n\tpush r0\n\tmoveq 0,r0\n\tmove.d r0,[0x90000000]\n\tpop r0" );
-#define cli() __asm__ __volatile__ ( "di\n\tpush r0\n\tmove.d 0x40000,r0\n\tmove.d r0,[0x90000000]\n\tpop r0");
-#define save_flags(x) __asm__ __volatile__ ("move ccr,%0" : "=rm" (x) : : "memory");
-#define restore_flags(x) __asm__ __volatile__ ("move %0,ccr\n\tbtstq 5,%0\n\tbpl 1f\n\tnop\n\tpush r0\n\tmoveq 0,r0\n\tmove.d r0,[0x90000000]\n\tpop r0\n1:\n" : : "r" (x) : "memory");
+#define sti() __asm__ __volatile__ ( "ei\n\tpush $r0\n\tmoveq 0,$r0\n\tmove.d $r0,[0x90000000]\n\tpop $r0" );
+#define cli() __asm__ __volatile__ ( "di\n\tpush $r0\n\tmove.d 0x40000,$r0\n\tmove.d $r0,[0x90000000]\n\tpop $r0");
+#define save_flags(x) __asm__ __volatile__ ("move $ccr,%0" : "=rm" (x) : : "memory");
+#define restore_flags(x) __asm__ __volatile__ ("move %0,$ccr\n\tbtstq 5,%0\n\tbpl 1f\n\tnop\n\tpush $r0\n\tmoveq 0,$r0\n\tmove.d $r0,[0x90000000]\n\tpop $r0\n1:\n" : : "r" (x) : "memory");
#else
#define __cli() __asm__ __volatile__ ( "di");
#define __sti() __asm__ __volatile__ ( "ei" );
-#define __save_flags(x) __asm__ __volatile__ ("move ccr,%0" : "=rm" (x) : : "memory");
-#define __restore_flags(x) __asm__ __volatile__ ("move %0,ccr" : : "rm" (x) : "memory");
+#define __save_flags(x) __asm__ __volatile__ ("move $ccr,%0" : "=rm" (x) : : "memory");
+#define __restore_flags(x) __asm__ __volatile__ ("move %0,$ccr" : : "rm" (x) : "memory");
/* For spinlocks etc */
-#define local_irq_save(x) __asm__ __volatile__ ("move ccr,%0\n\tdi" : "=rm" (x) : : "memory");
+#define local_irq_save(x) __asm__ __volatile__ ("move $ccr,%0\n\tdi" : "=rm" (x) : : "memory");
#define local_irq_restore(x) restore_flags(x)
#define local_irq_disable() cli()