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-rw-r--r--include/asm-sparc/irqflags.h39
-rw-r--r--include/asm-sparc/system.h22
2 files changed, 41 insertions, 20 deletions
diff --git a/include/asm-sparc/irqflags.h b/include/asm-sparc/irqflags.h
new file mode 100644
index 000000000000..db398fb32826
--- /dev/null
+++ b/include/asm-sparc/irqflags.h
@@ -0,0 +1,39 @@
1/*
2 * include/asm-sparc/irqflags.h
3 *
4 * IRQ flags handling
5 *
6 * This file gets included from lowlevel asm headers too, to provide
7 * wrapped versions of the local_irq_*() APIs, based on the
8 * raw_local_irq_*() functions from the lowlevel headers.
9 */
10#ifndef _ASM_IRQFLAGS_H
11#define _ASM_IRQFLAGS_H
12
13#ifndef __ASSEMBLY__
14
15extern void raw_local_irq_restore(unsigned long);
16extern unsigned long __raw_local_irq_save(void);
17extern void raw_local_irq_enable(void);
18
19static inline unsigned long getipl(void)
20{
21 unsigned long retval;
22
23 __asm__ __volatile__("rd %%psr, %0" : "=r" (retval));
24 return retval;
25}
26
27#define raw_local_save_flags(flags) ((flags) = getipl())
28#define raw_local_irq_save(flags) ((flags) = __raw_local_irq_save())
29#define raw_local_irq_disable() ((void) __raw_local_irq_save())
30#define raw_irqs_disabled() ((getipl() & PSR_PIL) != 0)
31
32static inline int raw_irqs_disabled_flags(unsigned long flags)
33{
34 return ((flags & PSR_PIL) != 0);
35}
36
37#endif /* (__ASSEMBLY__) */
38
39#endif /* !(_ASM_IRQFLAGS_H) */
diff --git a/include/asm-sparc/system.h b/include/asm-sparc/system.h
index d1a2572e3f55..8c259de02614 100644
--- a/include/asm-sparc/system.h
+++ b/include/asm-sparc/system.h
@@ -15,6 +15,8 @@
15 15
16#ifndef __ASSEMBLY__ 16#ifndef __ASSEMBLY__
17 17
18#include <linux/irqflags.h>
19
18/* 20/*
19 * Sparc (general) CPU types 21 * Sparc (general) CPU types
20 */ 22 */
@@ -164,26 +166,6 @@ extern void fpsave(unsigned long *fpregs, unsigned long *fsr,
164 "o0", "o1", "o2", "o3", "o7"); \ 166 "o0", "o1", "o2", "o3", "o7"); \
165 } while(0) 167 } while(0)
166 168
167/*
168 * Changing the IRQ level on the Sparc.
169 */
170extern void local_irq_restore(unsigned long);
171extern unsigned long __local_irq_save(void);
172extern void local_irq_enable(void);
173
174static inline unsigned long getipl(void)
175{
176 unsigned long retval;
177
178 __asm__ __volatile__("rd %%psr, %0" : "=r" (retval));
179 return retval;
180}
181
182#define local_save_flags(flags) ((flags) = getipl())
183#define local_irq_save(flags) ((flags) = __local_irq_save())
184#define local_irq_disable() ((void) __local_irq_save())
185#define irqs_disabled() ((getipl() & PSR_PIL) != 0)
186
187/* XXX Change this if we ever use a PSO mode kernel. */ 169/* XXX Change this if we ever use a PSO mode kernel. */
188#define mb() __asm__ __volatile__ ("" : : : "memory") 170#define mb() __asm__ __volatile__ ("" : : : "memory")
189#define rmb() mb() 171#define rmb() mb()