Release 4.14 arch/mips/include/asm/irq.h
/*
* 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) 1994 by Waldorf GMBH, written by Ralf Baechle
* Copyright (C) 1995, 96, 97, 98, 99, 2000, 01, 02, 03 by Ralf Baechle
*/
#ifndef _ASM_IRQ_H
#define _ASM_IRQ_H
#include <linux/linkage.h>
#include <linux/smp.h>
#include <linux/irqdomain.h>
#include <asm/mipsmtregs.h>
#include <irq.h>
#define IRQ_STACK_SIZE THREAD_SIZE
#define IRQ_STACK_START (IRQ_STACK_SIZE - 16)
extern void *irq_stack[NR_CPUS];
/*
* The highest address on the IRQ stack contains a dummy frame put down in
* genex.S (handle_int & except_vec_vi_handler) which is structured as follows:
*
* top ------------
* | task sp | <- irq_stack[cpu] + IRQ_STACK_START
* ------------
* | | <- First frame of IRQ context
* ------------
*
* task sp holds a copy of the task stack pointer where the struct pt_regs
* from exception entry can be found.
*/
static inline bool on_irq_stack(int cpu, unsigned long sp)
{
unsigned long low = (unsigned long)irq_stack[cpu];
unsigned long high = low + IRQ_STACK_SIZE;
return (low <= sp && sp <= high);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Matt Redfearn | 46 | 100.00% | 1 | 100.00% |
| Total | 46 | 100.00% | 1 | 100.00% |
#ifdef CONFIG_I8259
static inline int irq_canonicalize(int irq)
{
return ((irq == I8259A_IRQ_BASE + 2) ? I8259A_IRQ_BASE + 9 : irq);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds | 17 | 62.96% | 1 | 25.00% |
| Linus Torvalds (pre-git) | 5 | 18.52% | 1 | 25.00% |
| Atsushi Nemoto | 4 | 14.81% | 1 | 25.00% |
| Steven Cole | 1 | 3.70% | 1 | 25.00% |
| Total | 27 | 100.00% | 4 | 100.00% |
#else
#define irq_canonicalize(irq) (irq)
/* Sane hardware, sane code ... */
#endif
asmlinkage void plat_irq_dispatch(void);
extern void do_IRQ(unsigned int irq);
extern void arch_init_irq(void);
extern void spurious_interrupt(void);
extern int allocate_irqno(void);
extern void alloc_legacy_irqno(void);
extern void free_irqno(unsigned int irq);
/*
* Before R2 the timer and performance counter interrupts were both fixed to
* IE7. Since R2 their number has to be read from the c0_intctl register.
*/
#define CP0_LEGACY_COMPARE_IRQ 7
#define CP0_LEGACY_PERFCNT_IRQ 7
extern int cp0_compare_irq;
extern int cp0_compare_irq_shift;
extern int cp0_perfcount_irq;
extern int cp0_fdc_irq;
extern int get_c0_fdc_int(void);
void arch_trigger_cpumask_backtrace(const struct cpumask *mask,
bool exclude_self);
#define arch_trigger_cpumask_backtrace arch_trigger_cpumask_backtrace
#endif /* _ASM_IRQ_H */
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ralf Bächle | 69 | 29.74% | 11 | 39.29% |
| Matt Redfearn | 63 | 27.16% | 3 | 10.71% |
| Linus Torvalds | 31 | 13.36% | 1 | 3.57% |
| Linus Torvalds (pre-git) | 14 | 6.03% | 3 | 10.71% |
| James Hogan | 11 | 4.74% | 1 | 3.57% |
| Chris Metcalf | 10 | 4.31% | 1 | 3.57% |
| Eunbong Song 송은봉 | 7 | 3.02% | 1 | 3.57% |
| Sergey Ryazanov | 7 | 3.02% | 1 | 3.57% |
| Wu Zhangjin | 5 | 2.16% | 1 | 3.57% |
| David VomLehn | 4 | 1.72% | 1 | 3.57% |
| Atsushi Nemoto | 4 | 1.72% | 1 | 3.57% |
| Grant C. Likely | 3 | 1.29% | 1 | 3.57% |
| Andrew Morton | 2 | 0.86% | 1 | 3.57% |
| Steven Cole | 2 | 0.86% | 1 | 3.57% |
| Total | 232 | 100.00% | 28 | 100.00% |
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