alpha.h revision 1.15
1 /* $NetBSD: alpha.h,v 1.15 2001/04/26 03:10:46 ross Exp $ */ 2 3 /* 4 * Copyright (c) 1988 University of Utah. 5 * Copyright (c) 1982, 1990, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * the Systems Programming Group of the University of Utah Computer 10 * Science Department. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Berkeley and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * from: Utah $Hdr: cpu.h 1.16 91/03/25$ 41 * 42 * @(#)cpu.h 8.4 (Berkeley) 1/5/94 43 */ 44 45 #ifndef _ALPHA_H_ 46 #define _ALPHA_H_ 47 48 typedef union alpha_s_float { 49 u_int32_t i; 50 u_int32_t frac: 23, 51 exp: 8, 52 sign: 1; 53 } s_float; 54 55 typedef union alpha_t_float { 56 u_int64_t i; 57 u_int64_t frac: 52, 58 exp: 11, 59 sign: 1; 60 } t_float; 61 62 #ifdef _KERNEL 63 64 #include <machine/bus.h> 65 66 struct pcb; 67 struct proc; 68 struct reg; 69 struct rpb; 70 struct trapframe; 71 72 extern u_long cpu_implver; /* from IMPLVER instruction */ 73 extern u_long cpu_amask; /* from AMASK instruction */ 74 extern int bootdev_debug; 75 extern int alpha_fp_sync_complete; 76 extern int alpha_unaligned_print, alpha_unaligned_fix, alpha_unaligned_sigbus; 77 78 void XentArith(u_int64_t, u_int64_t, u_int64_t); /* MAGIC */ 79 void XentIF(u_int64_t, u_int64_t, u_int64_t); /* MAGIC */ 80 void XentInt(u_int64_t, u_int64_t, u_int64_t); /* MAGIC */ 81 void XentMM(u_int64_t, u_int64_t, u_int64_t); /* MAGIC */ 82 void XentRestart(void); /* MAGIC */ 83 void XentSys(u_int64_t, u_int64_t, u_int64_t); /* MAGIC */ 84 void XentUna(u_int64_t, u_int64_t, u_int64_t); /* MAGIC */ 85 void alpha_init(u_long, u_long, u_long, u_long, u_long); 86 int alpha_pa_access(u_long); 87 void ast(struct trapframe *); 88 int badaddr(void *, size_t); 89 int badaddr_read(void *, size_t, void *); 90 void child_return(void *); 91 u_int64_t console_restart(struct trapframe *); 92 void do_sir(void); 93 void dumpconf(void); 94 void exception_return(void); /* MAGIC */ 95 void frametoreg(struct trapframe *, struct reg *); 96 long fswintrberr(void); /* MAGIC */ 97 void init_bootstrap_console(void); 98 void init_prom_interface(struct rpb *); 99 void interrupt(unsigned long, unsigned long, unsigned long, 100 struct trapframe *); 101 void machine_check(unsigned long, struct trapframe *, unsigned long, 102 unsigned long); 103 u_int64_t hwrpb_checksum(void); 104 void hwrpb_restart_setup(void); 105 void regdump(struct trapframe *); 106 void regtoframe(struct reg *, struct trapframe *); 107 void savectx(struct pcb *); 108 void switch_exit(struct proc *); /* MAGIC */ 109 void proc_trampoline(void); /* MAGIC */ 110 void trap(unsigned long, unsigned long, unsigned long, unsigned long, 111 struct trapframe *); 112 void trap_init(void); 113 void enable_nsio_ide(bus_space_tag_t); 114 char * dot_conv(unsigned long); 115 116 void fpusave_cpu(struct cpu_info *, int); 117 void fpusave_proc(struct proc *, int); 118 119 /* Multiprocessor glue; cpu.c */ 120 struct cpu_info; 121 int cpu_iccb_send(long, const char *); 122 void cpu_iccb_receive(void); 123 void cpu_hatch(struct cpu_info *); 124 void cpu_halt(void) __attribute__((__noreturn__)); 125 void cpu_spinup_trampoline(void); /* MAGIC */ 126 void cpu_pause(unsigned long); 127 void cpu_resume(unsigned long); 128 #if defined(DDB) 129 void cpu_debug_dump(void); 130 #endif 131 132 /* IEEE and VAX FP completion */ 133 134 void alpha_sts(int, s_float *); /* MAGIC */ 135 void alpha_stt(int, t_float *); /* MAGIC */ 136 void alpha_lds(int, s_float *); /* MAGIC */ 137 void alpha_ldt(int, t_float *); /* MAGIC */ 138 139 uint64_t alpha_read_fpcr(void); /* MAGIC */ 140 void alpha_write_fpcr(u_int64_t); /* MAGIC */ 141 142 u_int64_t alpha_read_fp_c(struct proc *); 143 void alpha_write_fp_c(struct proc *, u_int64_t); 144 145 void alpha_enable_fp(struct proc *, int); 146 int alpha_fp_complete(u_long, u_long, struct proc *, u_int64_t *); 147 148 #endif /* _KERNEL */ 149 #endif /* _ALPHA_H_ */ 150
Indexes created Thu Oct 02 01:09:59 GMT 2025