/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 2001 Hiroyuki Kondo, Hirokazu Takata, and Hitoshi Yamamoto * Copyright (C) 2004, 2006 Hirokazu Takata <takata at linux-m32r.org> */ #ifndef _ASM_M32R_IRQFLAGS_H #define _ASM_M32R_IRQFLAGS_H #include <linux/types.h> static inline unsigned long arch_local_save_flags(void) { unsigned long flags; asm volatile("mvfc %0,psw" : "=r"(flags)); return flags; } static inline void arch_local_irq_disable(void) { #if !defined(CONFIG_CHIP_M32102) && !defined(CONFIG_CHIP_M32104) asm volatile ( "clrpsw #0x40 -> nop" : : : "memory"); #else unsigned long tmpreg0, tmpreg1; asm volatile ( "ld24 %0, #0 ; Use 32-bit insn. \n\t" "mvfc %1, psw ; No interrupt can be accepted here. \n\t" "mvtc %0, psw \n\t" "and3 %0, %1, #0xffbf \n\t" "mvtc %0, psw \n\t" : "=&r" (tmpreg0), "=&r" (tmpreg1) : : "cbit", "memory"); #endif } static inline void arch_local_irq_enable(void) { #if !defined(CONFIG_CHIP_M32102) && !defined(CONFIG_CHIP_M32104) asm volatile ( "setpsw #0x40 -> nop" : : : "memory"); #else unsigned long tmpreg; asm volatile ( "mvfc %0, psw; \n\t" "or3 %0, %0, #0x0040; \n\t" "mvtc %0, psw; \n\t" : "=&r" (tmpreg) : : "cbit", "memory"); #endif } static inline unsigned long arch_local_irq_save(void) { unsigned long flags; #if !(defined(CONFIG_CHIP_M32102) || defined(CONFIG_CHIP_M32104)) asm volatile ( "mvfc %0, psw; \n\t" "clrpsw #0x40 -> nop; \n\t" : "=r" (flags) : : "memory"); #else unsigned long tmpreg; asm volatile ( "ld24 %1, #0 \n\t" "mvfc %0, psw \n\t" "mvtc %1, psw \n\t" "and3 %1, %0, #0xffbf \n\t" "mvtc %1, psw \n\t" : "=r" (flags), "=&r" (tmpreg) : : "cbit", "memory"); #endif return flags; } static inline void arch_local_irq_restore(unsigned long flags) { asm volatile("mvtc %0,psw" : : "r" (flags) : "cbit", "memory"); } static inline bool arch_irqs_disabled_flags(unsigned long flags) { return !(flags & 0x40); } static inline bool arch_irqs_disabled(void) { return arch_irqs_disabled_flags(arch_local_save_flags()); } #endif /* _ASM_M32R_IRQFLAGS_H */
Name | Type | Size | Permission | Actions |
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m32104ut | Folder | 0755 |
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m32700ut | Folder | 0755 |
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mappi2 | Folder | 0755 |
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mappi3 | Folder | 0755 |
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opsput | Folder | 0755 |
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Kbuild | File | 318 B | 0644 |
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addrspace.h | File | 1.67 KB | 0644 |
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asm-offsets.h | File | 35 B | 0644 |
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assembler.h | File | 4.2 KB | 0644 |
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atomic.h | File | 6.29 KB | 0644 |
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barrier.h | File | 506 B | 0644 |
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bitops.h | File | 6.23 KB | 0644 |
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bug.h | File | 115 B | 0644 |
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bugs.h | File | 410 B | 0644 |
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cache.h | File | 222 B | 0644 |
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cachectl.h | File | 739 B | 0644 |
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cacheflush.h | File | 3.2 KB | 0644 |
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checksum.h | File | 4.83 KB | 0644 |
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cmpxchg.h | File | 4.86 KB | 0644 |
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dcache_clear.h | File | 1.01 KB | 0644 |
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delay.h | File | 31 B | 0644 |
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device.h | File | 148 B | 0644 |
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div64.h | File | 31 B | 0644 |
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dma-mapping.h | File | 570 B | 0644 |
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dma.h | File | 281 B | 0644 |
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elf.h | File | 3.64 KB | 0644 |
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emergency-restart.h | File | 188 B | 0644 |
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fb.h | File | 414 B | 0644 |
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flat.h | File | 4.2 KB | 0644 |
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ftrace.h | File | 12 B | 0644 |
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futex.h | File | 82 B | 0644 |
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hardirq.h | File | 214 B | 0644 |
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hw_irq.h | File | 87 B | 0644 |
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io.h | File | 6.44 KB | 0644 |
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irq.h | File | 2.94 KB | 0644 |
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irq_regs.h | File | 34 B | 0644 |
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irqflags.h | File | 2.24 KB | 0644 |
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kdebug.h | File | 32 B | 0644 |
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kmap_types.h | File | 251 B | 0644 |
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linkage.h | File | 177 B | 0644 |
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local.h | File | 7.8 KB | 0644 |
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local64.h | File | 33 B | 0644 |
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m32102.h | File | 14.71 KB | 0644 |
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m32r.h | File | 5.7 KB | 0644 |
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m32r_mp_fpga.h | File | 14.89 KB | 0644 |
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mc146818rtc.h | File | 671 B | 0644 |
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mmu.h | File | 403 B | 0644 |
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mmu_context.h | File | 4.23 KB | 0644 |
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mmzone.h | File | 1.29 KB | 0644 |
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page.h | File | 2.62 KB | 0644 |
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pci.h | File | 147 B | 0644 |
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percpu.h | File | 165 B | 0644 |
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pgalloc.h | File | 1.84 KB | 0644 |
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pgtable-2level.h | File | 2.31 KB | 0644 |
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pgtable.h | File | 9.7 KB | 0644 |
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processor.h | File | 2.93 KB | 0644 |
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ptrace.h | File | 1.3 KB | 0644 |
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rtc.h | File | 1.99 KB | 0644 |
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s1d13806.h | File | 9.84 KB | 0644 |
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segment.h | File | 228 B | 0644 |
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serial.h | File | 187 B | 0644 |
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setup.h | File | 1022 B | 0644 |
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shmparam.h | File | 197 B | 0644 |
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signal.h | File | 561 B | 0644 |
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smp.h | File | 3.5 KB | 0644 |
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spinlock.h | File | 7.15 KB | 0644 |
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spinlock_types.h | File | 520 B | 0644 |
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string.h | File | 378 B | 0644 |
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switch_to.h | File | 1.48 KB | 0644 |
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syscall.h | File | 252 B | 0644 |
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termios.h | File | 1.74 KB | 0644 |
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thread_info.h | File | 3.71 KB | 0644 |
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timex.h | File | 581 B | 0644 |
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tlb.h | File | 483 B | 0644 |
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tlbflush.h | File | 2.94 KB | 0644 |
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topology.h | File | 167 B | 0644 |
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types.h | File | 258 B | 0644 |
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uaccess.h | File | 15.3 KB | 0644 |
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ucontext.h | File | 321 B | 0644 |
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unaligned.h | File | 592 B | 0644 |
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unistd.h | File | 1.23 KB | 0644 |
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user.h | File | 2.1 KB | 0644 |
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vga.h | File | 436 B | 0644 |
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xor.h | File | 148 B | 0644 |
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