mirror of
https://codeberg.org/ziglang/zig.git
synced 2026-05-01 15:31:25 +03:00
Alex Rønne Petersen
66d97267c7
This excludes all headers in /usr/include/dev because that directory is bonkers huge (18M). We can add these on an as-needed basis.
135 lines
3.9 KiB
C
Vendored
135 lines
3.9 KiB
C
Vendored
/* $OpenBSD: intr.h,v 1.16 2025/04/26 11:10:28 visa Exp $ */
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/*
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* Copyright (c) 2020 Mark Kettenis <kettenis@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _MACHINE_INTR_H_
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#define _MACHINE_INTR_H_
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#define __USE_MI_SOFTINTR
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#include <sys/queue.h>
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#include <sys/softintr.h>
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struct cpu_info;
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struct trapframe;
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#define IPL_NONE 0
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#define IPL_SOFTCLOCK 2
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#define IPL_SOFTNET 3
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#define IPL_SOFTTTY 4
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#define IPL_BIO 5
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#define IPL_NET 6
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#define IPL_TTY 7
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#define IPL_VM IPL_TTY
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#define IPL_AUDIO 8
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#define IPL_CLOCK 9
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#define IPL_STATCLOCK IPL_CLOCK
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#define IPL_SCHED IPL_CLOCK
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#define IPL_HIGH IPL_CLOCK
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#define IPL_IPI 10
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#define NIPL 11
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#define IPL_MPFLOOR IPL_TTY
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/* Interrupt priority 'flags'. */
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#define IPL_IRQMASK 0xf /* priority only */
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#define IPL_FLAGMASK 0xf00 /* flags only*/
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#define IPL_MPSAFE 0x100 /* 'mpsafe' interrupt, no kernel lock */
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int splraise(int);
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int spllower(int);
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void splx(int);
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void softintr(int);
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#define spl0() spllower(IPL_NONE)
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#define splsoftclock() splraise(IPL_SOFTCLOCK)
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#define splsoftnet() splraise(IPL_SOFTNET)
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#define splsofttty() splraise(IPL_SOFTTTY)
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#define splbio() splraise(IPL_BIO)
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#define splnet() splraise(IPL_NET)
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#define spltty() splraise(IPL_TTY)
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#define splvm() splraise(IPL_VM)
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#define splclock() splraise(IPL_CLOCK)
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#define splstatclock() splraise(IPL_STATCLOCK)
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#define splsched() splraise(IPL_SCHED)
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#define splhigh() splraise(IPL_HIGH)
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#ifdef DIAGNOSTIC
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/*
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* Although this function is implemented in MI code, it must be in this MD
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* header because we don't want this header to include MI includes.
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*/
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void splassert_fail(int, int, const char *);
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extern int splassert_ctl;
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void splassert_check(int, const char *);
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#define splassert(__wantipl) do { \
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if (splassert_ctl > 0) { \
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splassert_check(__wantipl, __func__); \
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} \
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} while (0)
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#define splsoftassert(wantipl) splassert(wantipl)
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#else
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#define splassert(wantipl) do { /* nothing */ } while (0)
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#define splsoftassert(wantipl) do { /* nothing */ } while (0)
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#endif
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void intr_init(void);
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#define intr_barrier(x)
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#define IST_EDGE 0
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#define IST_LEVEL 1
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void *intr_establish(uint32_t, int, int, struct cpu_info *,
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int (*)(void *), void *, const char *);
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#define IPI_NOP 0
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#define IPI_DDB (1 << 0)
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#define IPI_SETPERF (1 << 1)
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void intr_send_ipi(struct cpu_info *, int);
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extern void (*_exi)(struct trapframe *);
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extern void (*_hvi)(struct trapframe *);
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extern void *(*_intr_establish)(uint32_t, int, int, struct cpu_info *,
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int (*)(void *), void *, const char *);
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extern void (*_intr_send_ipi)(void *);
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extern void (*_setipl)(int);
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struct interrupt_controller {
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int ic_node;
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void *ic_cookie;
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void *(*ic_establish)(void *, int *, int, struct cpu_info *,
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int (*)(void *), void *, char *);
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void (*ic_send_ipi)(void *);
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LIST_ENTRY(interrupt_controller) ic_list;
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uint32_t ic_phandle;
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uint32_t ic_cells;
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};
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void interrupt_controller_register(struct interrupt_controller *);
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void *fdt_intr_establish_idx_cpu(int, int, int, struct cpu_info *,
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int (*)(void *), void *, char *);
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void *fdt_intr_establish_imap(int, int *, int, int, int (*)(void *),
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void *, char *);
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void *fdt_intr_establish_imap_cpu(int, int *, int, int,
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struct cpu_info *, int (*)(void *), void *, char *);
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void fdt_intr_disestablish(void *);
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#endif /* _MACHINE_INTR_H_ */ |