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| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-14 08:59:48 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-14 08:59:48 -0700 |
| commit | cbe619b162121577bc1e8ed4384dfb85f19e43d8 (patch) | |
| tree | a26287f4fcb2ae732ac3f5ee1e18473de8a2247a /include/asm-sparc/irqflags.h | |
| parent | 5dd80d5d096f58b7a83ae493a20bfc9d0de30226 (diff) | |
| parent | 45b3f4cc6025bdb14beb65b8a3a732bf55d1bc41 (diff) | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: (23 commits)
[SPARC64]: virt_to_real_irq_table --> virt_irq_table
[SPARC64]: virt_irq --> bucket mapping no longer necessary
[SPARC64]: Kill ugly __bucket() macro.
[SPARC64]: Kill ugly __irq_ino() macro.
[SPARC64]: Only use bypass accesses to INO buckets.
[SPARC64]: Update defconfig.
[SPARC64]: Use sun4v VIRQ interfaces as intended.
[SPARC64]: Allocate ivector_table dynamically.
[SPARC64]: Access ivector_table[] using physical addresses.
[SPARC64]: Make IVEC pointers 64-bit.
[SPARC64]: Fix register usage in xor_raid_4().
[SPARC64]: Kill pci_memspace_mask.
[SPARC64]: Consolidate MSI support code.
[SPARC/64]: Move of_platform_driver initialisations: arch/sparc{,64}.
[SPARC64]: Fix bugs in SYSV IPC handling in 64-bit processes.
[SPARC/64]: Prepare to remove of_platform_driver name.
[SPARC32]: Add irqflags.h to sparc32 and use it from generic code.
[SPARC64]: beautify vmlinux.lds
[SPARC]: beautify vmlinux.lds
[SPARC64]: Enable MSI on sun4u Fire PCI-E controllers.
...
Diffstat (limited to 'include/asm-sparc/irqflags.h')
| -rw-r--r-- | include/asm-sparc/irqflags.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/include/asm-sparc/irqflags.h b/include/asm-sparc/irqflags.h new file mode 100644 index 00000000000..db398fb3282 --- /dev/null +++ b/include/asm-sparc/irqflags.h @@ -0,0 +1,39 @@ +/* + * include/asm-sparc/irqflags.h + * + * IRQ flags handling + * + * This file gets included from lowlevel asm headers too, to provide + * wrapped versions of the local_irq_*() APIs, based on the + * raw_local_irq_*() functions from the lowlevel headers. + */ +#ifndef _ASM_IRQFLAGS_H +#define _ASM_IRQFLAGS_H + +#ifndef __ASSEMBLY__ + +extern void raw_local_irq_restore(unsigned long); +extern unsigned long __raw_local_irq_save(void); +extern void raw_local_irq_enable(void); + +static inline unsigned long getipl(void) +{ + unsigned long retval; + + __asm__ __volatile__("rd %%psr, %0" : "=r" (retval)); + return retval; +} + +#define raw_local_save_flags(flags) ((flags) = getipl()) +#define raw_local_irq_save(flags) ((flags) = __raw_local_irq_save()) +#define raw_local_irq_disable() ((void) __raw_local_irq_save()) +#define raw_irqs_disabled() ((getipl() & PSR_PIL) != 0) + +static inline int raw_irqs_disabled_flags(unsigned long flags) +{ + return ((flags & PSR_PIL) != 0); +} + +#endif /* (__ASSEMBLY__) */ + +#endif /* !(_ASM_IRQFLAGS_H) */ |
