1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1995 Bruce D. Evans. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the author nor the names of contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * from: src/sys/i386/include/md_var.h,v 1.35 2000/02/20 20:51:23 bsd 32 * JNPR: md_var.h,v 1.4 2006/10/16 12:30:34 katta 33 * $FreeBSD$ 34 */ 35 36 #ifndef _MACHINE_MD_VAR_H_ 37 #define _MACHINE_MD_VAR_H_ 38 39 #include <machine/reg.h> 40 41 /* 42 * Miscellaneous machine-dependent declarations. 43 */ 44 extern long Maxmem; 45 extern char cpu_board[]; 46 extern char cpu_model[]; 47 extern char sigcode[]; 48 extern int szsigcode; 49 #if defined(__mips_n32) || defined(__mips_n64) 50 extern char sigcode32[]; 51 extern int szsigcode32; 52 #endif 53 54 extern vm_offset_t kstack0; 55 extern vm_offset_t kernel_kseg0_end; 56 57 uint32_t MipsFPID(void); 58 void MipsSaveCurFPState(struct thread *); 59 void fork_trampoline(void); 60 uintptr_t MipsEmulateBranch(struct trapframe *, uintptr_t, int, uintptr_t); 61 void MipsSwitchFPState(struct thread *, struct trapframe *); 62 int is_cacheable_mem(vm_paddr_t addr); 63 void mips_wait(void); 64 65 #define MIPS_DEBUG 0 66 67 #if MIPS_DEBUG 68 #define MIPS_DEBUG_PRINT(fmt, args...) printf("%s: " fmt "\n" , __FUNCTION__ , ## args) 69 #else 70 #define MIPS_DEBUG_PRINT(fmt, args...) 71 #endif 72 73 void mips_vector_init(void); 74 void mips_cpu_init(void); 75 void mips_pcpu0_init(void); 76 void mips_proc0_init(void); 77 void mips_postboot_fixup(void); 78 void cpu_identify(void); 79 void cpu_switch_set_userlocal(void) __asm(__STRING(cpu_switch_set_userlocal)); 80 81 extern int busdma_swi_pending; 82 void busdma_swi(void); 83 84 struct dumperinfo; 85 int minidumpsys(struct dumperinfo *); 86 87 #endif /* !_MACHINE_MD_VAR_H_ */ 88