NetBSD/sys/arch/alpha/include/alpha.h

189 lines
7.1 KiB
C

/* $NetBSD: alpha.h,v 1.20 2005/12/11 12:16:16 christos Exp $ */
/*
* Copyright (c) 1982, 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* the Systems Programming Group of the University of Utah Computer
* Science Department.
*
* 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. 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.
*
* from: Utah $Hdr: cpu.h 1.16 91/03/25$
*
* @(#)cpu.h 8.4 (Berkeley) 1/5/94
*/
/*
* Copyright (c) 1988 University of Utah.
*
* This code is derived from software contributed to Berkeley by
* the Systems Programming Group of the University of Utah Computer
* Science Department.
*
* 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.
*
* from: Utah $Hdr: cpu.h 1.16 91/03/25$
*
* @(#)cpu.h 8.4 (Berkeley) 1/5/94
*/
#ifndef _ALPHA_H_
#define _ALPHA_H_
typedef union alpha_s_float {
u_int32_t i;
u_int32_t frac: 23,
exp: 8,
sign: 1;
} s_float;
typedef union alpha_t_float {
u_int64_t i;
u_int64_t frac: 52,
exp: 11,
sign: 1;
} t_float;
#ifdef _KERNEL
#include <machine/bus.h>
#include <machine/stdarg.h>
struct pcb;
struct lwp;
struct reg;
struct rpb;
struct trapframe;
extern u_long cpu_implver; /* from IMPLVER instruction */
extern u_long cpu_amask; /* from AMASK instruction */
extern int bootdev_debug;
extern int alpha_fp_sync_complete;
extern int alpha_unaligned_print, alpha_unaligned_fix, alpha_unaligned_sigbus;
void XentArith(u_int64_t, u_int64_t, u_int64_t); /* MAGIC */
void XentIF(u_int64_t, u_int64_t, u_int64_t); /* MAGIC */
void XentInt(u_int64_t, u_int64_t, u_int64_t); /* MAGIC */
void XentMM(u_int64_t, u_int64_t, u_int64_t); /* MAGIC */
void XentRestart(void); /* MAGIC */
void XentSys(u_int64_t, u_int64_t, u_int64_t); /* MAGIC */
void XentUna(u_int64_t, u_int64_t, u_int64_t); /* MAGIC */
void alpha_init(u_long, u_long, u_long, u_long, u_long);
int alpha_pa_access(u_long);
void ast(struct trapframe *);
int badaddr(void *, size_t);
int badaddr_read(void *, size_t, void *);
u_int64_t console_restart(struct trapframe *);
void do_sir(void);
void dumpconf(void);
void exception_return(void); /* MAGIC */
void frametoreg(const struct trapframe *, struct reg *);
long fswintrberr(void); /* MAGIC */
void init_bootstrap_console(void);
void init_prom_interface(struct rpb *);
void interrupt(unsigned long, unsigned long, unsigned long,
struct trapframe *);
void machine_check(unsigned long, struct trapframe *, unsigned long,
unsigned long);
u_int64_t hwrpb_checksum(void);
void hwrpb_restart_setup(void);
void regdump(struct trapframe *);
void regtoframe(const struct reg *, struct trapframe *);
void savectx(struct pcb *);
void switch_exit(struct lwp *, void (*)(struct lwp *)); /* MAGIC */
void proc_trampoline(void); /* MAGIC */
void trap(unsigned long, unsigned long, unsigned long, unsigned long,
struct trapframe *);
void trap_init(void);
void enable_nsio_ide(bus_space_tag_t);
char * dot_conv(unsigned long);
void fpusave_cpu(struct cpu_info *, int);
void fpusave_proc(struct lwp *, int);
/* Multiprocessor glue; cpu.c */
struct cpu_info;
int cpu_iccb_send(long, const char *);
void cpu_iccb_receive(void);
void cpu_hatch(struct cpu_info *);
void cpu_halt(void) __attribute__((__noreturn__));
void cpu_spinup_trampoline(void); /* MAGIC */
void cpu_pause(unsigned long);
void cpu_resume(unsigned long);
#if defined(DDB)
void cpu_debug_dump(void);
#endif
/* IEEE and VAX FP completion */
void alpha_sts(int, s_float *); /* MAGIC */
void alpha_stt(int, t_float *); /* MAGIC */
void alpha_lds(int, s_float *); /* MAGIC */
void alpha_ldt(int, t_float *); /* MAGIC */
uint64_t alpha_read_fpcr(void); /* MAGIC */
void alpha_write_fpcr(u_int64_t); /* MAGIC */
u_int64_t alpha_read_fp_c(struct lwp *);
void alpha_write_fp_c(struct lwp *, u_int64_t);
void alpha_enable_fp(struct lwp *, int);
int alpha_fp_complete(u_long, u_long, struct lwp *, u_int64_t *);
/* Security sensitive rate limiting printf */
void rlprintf(struct timeval *t, const char *fmt, ...);
#endif /* _KERNEL */
#endif /* _ALPHA_H_ */