/* SPDX-License-Identifier: GPL-2.0 */ /* * IRQ flags defines. * * Copyright (C) 1998-2003 Hewlett-Packard Co * David Mosberger-Tang <davidm@hpl.hp.com> * Copyright (C) 1999 Asit Mallick <asit.k.mallick@intel.com> * Copyright (C) 1999 Don Dugger <don.dugger@intel.com> */ #ifndef _ASM_IA64_IRQFLAGS_H #define _ASM_IA64_IRQFLAGS_H #include <asm/pal.h> #include <asm/kregs.h> #ifdef CONFIG_IA64_DEBUG_IRQ extern unsigned long last_cli_ip; static inline void arch_maybe_save_ip(unsigned long flags) { if (flags & IA64_PSR_I) last_cli_ip = ia64_getreg(_IA64_REG_IP); } #else #define arch_maybe_save_ip(flags) do {} while (0) #endif /* * - clearing psr.i is implicitly serialized (visible by next insn) * - setting psr.i requires data serialization * - we need a stop-bit before reading PSR because we sometimes * write a floating-point register right before reading the PSR * and that writes to PSR.mfl */ static inline unsigned long arch_local_save_flags(void) { ia64_stop(); #ifdef CONFIG_PARAVIRT return ia64_get_psr_i(); #else return ia64_getreg(_IA64_REG_PSR); #endif } static inline unsigned long arch_local_irq_save(void) { unsigned long flags = arch_local_save_flags(); ia64_stop(); ia64_rsm(IA64_PSR_I); arch_maybe_save_ip(flags); return flags; } static inline void arch_local_irq_disable(void) { #ifdef CONFIG_IA64_DEBUG_IRQ arch_local_irq_save(); #else ia64_stop(); ia64_rsm(IA64_PSR_I); #endif } static inline void arch_local_irq_enable(void) { ia64_stop(); ia64_ssm(IA64_PSR_I); ia64_srlz_d(); } static inline void arch_local_irq_restore(unsigned long flags) { #ifdef CONFIG_IA64_DEBUG_IRQ unsigned long old_psr = arch_local_save_flags(); #endif ia64_intrin_local_irq_restore(flags & IA64_PSR_I); arch_maybe_save_ip(old_psr & ~flags); } static inline bool arch_irqs_disabled_flags(unsigned long flags) { return (flags & IA64_PSR_I) == 0; } static inline bool arch_irqs_disabled(void) { return arch_irqs_disabled_flags(arch_local_save_flags()); } static inline void arch_safe_halt(void) { arch_local_irq_enable(); ia64_pal_halt_light(); /* PAL_HALT_LIGHT */ } #endif /* _ASM_IA64_IRQFLAGS_H */
Name | Type | Size | Permission | Actions |
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native | Folder | 0755 |
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sn | Folder | 0755 |
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uv | Folder | 0755 |
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Kbuild | File | 224 B | 0644 |
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acenv.h | File | 1.27 KB | 0644 |
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acpi-ext.h | File | 590 B | 0644 |
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acpi.h | File | 4.1 KB | 0644 |
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agp.h | File | 857 B | 0644 |
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asm-offsets.h | File | 35 B | 0644 |
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asm-prototypes.h | File | 890 B | 0644 |
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asmmacro.h | File | 3.29 KB | 0644 |
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atomic.h | File | 9.47 KB | 0644 |
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barrier.h | File | 2.36 KB | 0644 |
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bitops.h | File | 10.84 KB | 0644 |
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bug.h | File | 404 B | 0644 |
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bugs.h | File | 436 B | 0644 |
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cache.h | File | 771 B | 0644 |
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cacheflush.h | File | 1.71 KB | 0644 |
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checksum.h | File | 2.1 KB | 0644 |
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clocksource.h | File | 276 B | 0644 |
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cpu.h | File | 456 B | 0644 |
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cputime.h | File | 855 B | 0644 |
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current.h | File | 418 B | 0644 |
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cyclone.h | File | 442 B | 0644 |
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delay.h | File | 1.7 KB | 0644 |
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device.h | File | 323 B | 0644 |
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div64.h | File | 31 B | 0644 |
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dma-mapping.h | File | 1.17 KB | 0644 |
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dma.h | File | 466 B | 0644 |
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dmi.h | File | 343 B | 0644 |
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early_ioremap.h | File | 428 B | 0644 |
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elf.h | File | 9.83 KB | 0644 |
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emergency-restart.h | File | 149 B | 0644 |
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esi.h | File | 887 B | 0644 |
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exception.h | File | 1.13 KB | 0644 |
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export.h | File | 115 B | 0644 |
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extable.h | File | 330 B | 0644 |
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fb.h | File | 569 B | 0644 |
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fpswa.h | File | 1.88 KB | 0644 |
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ftrace.h | File | 748 B | 0644 |
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futex.h | File | 2.56 KB | 0644 |
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gcc_intrin.h | File | 368 B | 0644 |
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hardirq.h | File | 564 B | 0644 |
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hpsim.h | File | 364 B | 0644 |
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hugetlb.h | File | 1.67 KB | 0644 |
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hw_irq.h | File | 6.33 KB | 0644 |
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idle.h | File | 200 B | 0644 |
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intrinsics.h | File | 306 B | 0644 |
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io.h | File | 11.77 KB | 0644 |
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iommu.h | File | 555 B | 0644 |
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iommu_table.h | File | 175 B | 0644 |
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iosapic.h | File | 3.16 KB | 0644 |
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irq.h | File | 1.02 KB | 0644 |
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irq_regs.h | File | 34 B | 0644 |
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irq_remapping.h | File | 142 B | 0644 |
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irqflags.h | File | 2.11 KB | 0644 |
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kdebug.h | File | 1.64 KB | 0644 |
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kexec.h | File | 1.57 KB | 0644 |
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kmap_types.h | File | 260 B | 0644 |
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kprobes.h | File | 3.82 KB | 0644 |
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kregs.h | File | 6.73 KB | 0644 |
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libata-portmap.h | File | 225 B | 0644 |
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linkage.h | File | 398 B | 0644 |
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local.h | File | 31 B | 0644 |
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local64.h | File | 33 B | 0644 |
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machvec.h | File | 12.1 KB | 0644 |
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machvec_dig.h | File | 449 B | 0644 |
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machvec_dig_vtd.h | File | 558 B | 0644 |
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machvec_hpsim.h | File | 544 B | 0644 |
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machvec_hpzx1.h | File | 544 B | 0644 |
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machvec_hpzx1_swiotlb.h | File | 632 B | 0644 |
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machvec_init.h | File | 1.33 KB | 0644 |
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machvec_sn2.h | File | 4.71 KB | 0644 |
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machvec_uv.h | File | 684 B | 0644 |
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mca.h | File | 5.91 KB | 0644 |
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mca_asm.h | File | 7.18 KB | 0644 |
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meminit.h | File | 2.24 KB | 0644 |
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mman.h | File | 432 B | 0644 |
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mmu.h | File | 374 B | 0644 |
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mmu_context.h | File | 5.29 KB | 0644 |
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mmzone.h | File | 1.1 KB | 0644 |
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module.h | File | 1.1 KB | 0644 |
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msidef.h | File | 1.4 KB | 0644 |
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nodedata.h | File | 1.85 KB | 0644 |
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numa.h | File | 2.18 KB | 0644 |
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page.h | File | 6.49 KB | 0644 |
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pal.h | File | 53.39 KB | 0644 |
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param.h | File | 439 B | 0644 |
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parport.h | File | 534 B | 0644 |
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patch.h | File | 1.19 KB | 0644 |
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pci.h | File | 2.83 KB | 0644 |
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percpu.h | File | 1.32 KB | 0644 |
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perfmon.h | File | 4.33 KB | 0644 |
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pgalloc.h | File | 2.84 KB | 0644 |
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pgtable.h | File | 20.92 KB | 0644 |
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processor.h | File | 17.98 KB | 0644 |
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ptrace.h | File | 5.2 KB | 0644 |
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rwsem.h | File | 3.82 KB | 0644 |
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sal.h | File | 26.51 KB | 0644 |
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sections.h | File | 1.35 KB | 0644 |
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segment.h | File | 162 B | 0644 |
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serial.h | File | 446 B | 0644 |
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shmparam.h | File | 445 B | 0644 |
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signal.h | File | 749 B | 0644 |
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smp.h | File | 3.21 KB | 0644 |
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sparsemem.h | File | 621 B | 0644 |
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spinlock.h | File | 6.92 KB | 0644 |
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spinlock_types.h | File | 475 B | 0644 |
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string.h | File | 659 B | 0644 |
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swiotlb.h | File | 344 B | 0644 |
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switch_to.h | File | 2.89 KB | 0644 |
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syscall.h | File | 2.06 KB | 0644 |
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termios.h | File | 1.88 KB | 0644 |
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thread_info.h | File | 4.66 KB | 0644 |
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timex.h | File | 1.47 KB | 0644 |
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tlb.h | File | 8.42 KB | 0644 |
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tlbflush.h | File | 2.33 KB | 0644 |
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topology.h | File | 1.58 KB | 0644 |
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types.h | File | 828 B | 0644 |
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uaccess.h | File | 9.86 KB | 0644 |
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unaligned.h | File | 337 B | 0644 |
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uncached.h | File | 463 B | 0644 |
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unistd.h | File | 1.45 KB | 0644 |
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unwind.h | File | 5.74 KB | 0644 |
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user.h | File | 2.25 KB | 0644 |
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ustack.h | File | 403 B | 0644 |
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vga.h | File | 657 B | 0644 |
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xor.h | File | 1.12 KB | 0644 |
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