236 lines
6.9 KiB
C
236 lines
6.9 KiB
C
/* $NetBSD: cpu.h,v 1.11 2001/02/02 18:25:04 thorpej Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1990 The Regents of the University of California.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* William Jolitz.
|
|
*
|
|
* 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.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
|
|
*
|
|
* @(#)cpu.h 5.4 (Berkeley) 5/9/91
|
|
*/
|
|
|
|
/*
|
|
* SH3 Version
|
|
*
|
|
* T.Horiuchi Brains Corp. 5/22/98
|
|
*/
|
|
|
|
#ifndef _SH3_CPU_H_
|
|
#define _SH3_CPU_H_
|
|
|
|
#if defined(_KERNEL) && !defined(_LKM)
|
|
#include "opt_lockdebug.h"
|
|
#endif
|
|
|
|
/*
|
|
* Definitions unique to sh3 cpu support.
|
|
*/
|
|
#include <machine/psl.h>
|
|
#include <machine/frame.h>
|
|
#include <machine/segments.h>
|
|
|
|
#include <sys/sched.h>
|
|
struct cpu_info {
|
|
struct schedstate_percpu ci_schedstate; /* scheduler state */
|
|
#if defined(DIAGNOSTIC) || defined(LOCKDEBUG)
|
|
u_long ci_spin_locks; /* # of spin locks held */
|
|
u_long ci_simple_locks; /* # of simple locks held */
|
|
#endif
|
|
};
|
|
|
|
#ifdef _KERNEL
|
|
extern struct cpu_info cpu_info_store;
|
|
|
|
#define curcpu() (&cpu_info_store)
|
|
#endif
|
|
|
|
/*
|
|
* definitions of cpu-dependent requirements
|
|
* referenced in generic code
|
|
*/
|
|
#define cpu_swapin(p) /* nothing */
|
|
#define cpu_wait(p) /* nothing */
|
|
#define cpu_number() 0
|
|
|
|
/*
|
|
* Arguments to hardclock, softclock and statclock
|
|
* encapsulate the previous machine state in an opaque
|
|
* clockframe; for now, use generic intrframe.
|
|
*
|
|
* XXX intrframe has a lot of gunk we don't need.
|
|
*/
|
|
#define clockframe intrframe
|
|
|
|
#if 1
|
|
#define CLKF_USERMODE(frame) (!KERNELMODE((frame)->if_r15))
|
|
#else
|
|
#define CLKF_USERMODE(frame) USERMODE((frame)->if_spc, (frame)->if_ssr)
|
|
#endif
|
|
#if 0
|
|
#define CLKF_BASEPRI(frame) ((frame)->if_pri == 0)
|
|
#else
|
|
/* XXX we should fix this */
|
|
#define CLKF_BASEPRI(frame) (0)
|
|
#endif
|
|
#define CLKF_PC(frame) ((frame)->if_spc)
|
|
#define CLKF_INTR(frame) (0) /* XXX should have an interrupt stack */
|
|
|
|
/*
|
|
* Preempt the current process if in interrupt from user mode,
|
|
* or after the current trap/syscall if in system mode.
|
|
*/
|
|
int want_resched; /* resched() was called */
|
|
#define need_resched(ci) (want_resched = 1, setsoftast())
|
|
|
|
/*
|
|
* Give a profiling tick to the current process when the user profiling
|
|
* buffer pages are invalid. On the i386, request an ast to send us
|
|
* through trap(), marking the proc as needing a profiling tick.
|
|
*/
|
|
#define need_proftick(p) ((p)->p_flag |= P_OWEUPC, setsoftast())
|
|
|
|
/*
|
|
* Notify the current process (p) that it has a signal pending,
|
|
* process as soon as possible.
|
|
*/
|
|
#define signotify(p) setsoftast()
|
|
|
|
/*
|
|
* We need a machine-independent name for this.
|
|
*/
|
|
#define DELAY(x) delay(x)
|
|
void delay __P((int));
|
|
|
|
/*
|
|
* Logical address space of SH3 CPU.
|
|
*/
|
|
#define SH3_P0SEG_BASE 0x00000000 /* TLB mapped, also U0SEG */
|
|
#define SH3_P0SEG_END 0x7fffffff
|
|
#define SH3_P1SEG_BASE 0x80000000 /* pa == va */
|
|
#define SH3_P1SEG_END 0x9fffffff
|
|
#define SH3_P2SEG_BASE 0xa0000000 /* pa == va, non-cacheable */
|
|
#define SH3_P2SEG_END 0xbfffffff
|
|
#define SH3_P3SEG_BASE 0xc0000000 /* TLB mapped, supervisor mode */
|
|
#define SH3_P3SEG_END 0xdfffffff
|
|
#define SH3_P4SEG_BASE 0xe0000000 /* peripheral space */
|
|
#define SH3_P4SEG_END 0xffffffff
|
|
|
|
#define SH3_PHYS_MASK 0x1fffffff
|
|
#define SH3_P1234SEG_SIZE 0x20000000
|
|
|
|
#define SH3_P1SEG_TO_PHYS(x) ((unsigned)(x) & SH3_PHYS_MASK)
|
|
#define SH3_P2SEG_TO_PHYS(x) ((unsigned)(x) & SH3_PHYS_MASK)
|
|
#define SH3_PHYS_TO_P1SEG(x) ((unsigned)(x) | SH3_P1SEG_BASE)
|
|
#define SH3_PHYS_TO_P2SEG(x) ((unsigned)(x) | SH3_P2SEG_BASE)
|
|
#define SH3_P1SEG_TO_P2SEG(x) ((unsigned)(x) | SH3_P1234SEG_SIZE)
|
|
|
|
/*
|
|
* pull in #defines for kinds of processors
|
|
*/
|
|
#include <machine/cputypes.h>
|
|
|
|
|
|
#ifdef _KERNEL
|
|
extern int cpu;
|
|
extern int cpu_class;
|
|
extern struct cpu_nocpuid_nameclass sh3_nocpuid_cpus[];
|
|
extern struct cpu_cpuid_nameclass sh3_cpuid_cpus[];
|
|
|
|
/* autoconf.c */
|
|
void configure __P((void));
|
|
|
|
/* sh3_machdep.c */
|
|
void sh3_startup __P((void));
|
|
|
|
/* machdep.c */
|
|
void delay __P((int));
|
|
void dumpconf __P((void));
|
|
void cpu_reset __P((void));
|
|
|
|
/* locore.s */
|
|
struct region_descriptor;
|
|
void lgdt __P((struct region_descriptor *));
|
|
void fillw __P((short, void *, size_t));
|
|
void
|
|
bcopyb __P((caddr_t from, caddr_t to, size_t len));
|
|
void
|
|
bcopyw __P((caddr_t from, caddr_t to, size_t len));
|
|
void
|
|
setPageDirReg __P((int pgdir));
|
|
|
|
|
|
struct pcb;
|
|
void savectx __P((struct pcb *));
|
|
void switch_exit __P((struct proc *));
|
|
void proc_trampoline __P((void));
|
|
|
|
/* clock.c */
|
|
void startrtclock __P((void));
|
|
|
|
/* npx.c */
|
|
void npxdrop __P((void));
|
|
void npxsave __P((void));
|
|
|
|
/* vm_machdep.c */
|
|
int kvtop __P((caddr_t));
|
|
|
|
#ifdef MATH_EMULATE
|
|
/* math_emulate.c */
|
|
int math_emulate __P((struct trapframe *));
|
|
#endif
|
|
|
|
#endif /* _KERNEL */
|
|
|
|
/*
|
|
* CTL_MACHDEP definitions.
|
|
*/
|
|
#define CPU_CONSDEV 1 /* dev_t: console terminal device */
|
|
#define CPU_NKPDE 2 /* int: number of kernel PDEs */
|
|
#define CPU_BOOTED_KERNEL 3 /* string: booted kernel name */
|
|
#define CPU_SETPRIVPROC 4 /* set current proc to piviledged proc
|
|
*/
|
|
#define CPU_DEBUGMODE 5 /* set debug mode */
|
|
#define CPU_LOADANDRESET 6 /* load kernel image and reset */
|
|
#define CPU_MAXID 7 /* number of valid machdep ids */
|
|
|
|
#define CTL_MACHDEP_NAMES { \
|
|
{ 0, 0 }, \
|
|
{ "console_device", CTLTYPE_STRUCT }, \
|
|
{ "nkpde", CTLTYPE_INT }, \
|
|
{ "booted_kernel", CTLTYPE_STRING }, \
|
|
{ "set_priv_proc", CTLTYPE_INT }, \
|
|
{ "debug_mode", CTLTYPE_INT }, \
|
|
{ "load_and_reset", CTLTYPE_INT }, \
|
|
}
|
|
|
|
#endif /* !_SH3_CPU_H_ */
|