HardenedBSD/sys/arm64/include/pcpu.h
Jessica Clarke d5aead83df arm64: Delete stale comment
Fixes:	078a69abcb ("Use a uint64_t to store the arm64 mpidr")
2024-03-27 15:43:38 -04:00

94 lines
2.7 KiB
C

/*-
* Copyright (c) 1999 Luoqi Chen <luoqi@freebsd.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: FreeBSD: src/sys/i386/include/globaldata.h,v 1.27 2001/04/27
*/
#ifdef __arm__
#include <arm/pcpu.h>
#else /* !__arm__ */
#ifndef _MACHINE_PCPU_H_
#define _MACHINE_PCPU_H_
#include <machine/cpu.h>
#include <machine/cpufunc.h>
typedef int (*pcpu_bp_harden)(void);
typedef int (*pcpu_ssbd)(int);
struct debug_monitor_state;
#define PCPU_MD_FIELDS \
u_int pc_acpi_id; /* ACPI CPU id */ \
u_int pc_midr; /* stored MIDR value */ \
uint64_t pc_clock; \
pcpu_bp_harden pc_bp_harden; \
pcpu_ssbd pc_ssbd; \
struct pmap *pc_curpmap; \
struct pmap *pc_curvmpmap; \
uint64_t pc_mpidr; \
u_int pc_bcast_tlbi_workaround; \
char __pad[197]
#ifdef _KERNEL
struct pcb;
struct pcpu;
register struct pcpu *pcpup __asm ("x18");
static inline struct pcpu *
get_pcpu(void)
{
struct pcpu *pcpu;
__asm __volatile("mov %0, x18" : "=&r"(pcpu));
return (pcpu);
}
static inline struct thread *
get_curthread(void)
{
struct thread *td;
__asm __volatile("ldr %0, [x18]" : "=&r"(td));
return (td);
}
#define curthread get_curthread()
#define PCPU_GET(member) (pcpup->pc_ ## member)
#define PCPU_ADD(member, value) (pcpup->pc_ ## member += (value))
#define PCPU_PTR(member) (&pcpup->pc_ ## member)
#define PCPU_SET(member,value) (pcpup->pc_ ## member = (value))
#define PCPU_GET_MPIDR(pc) ((pc)->pc_mpidr)
#endif /* _KERNEL */
#endif /* !_MACHINE_PCPU_H_ */
#endif /* !__arm__ */