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: FreeBSD: src/sys/i386/include/md_var.h,v 1.40 2001/07/12
32  * $FreeBSD: stable/12/sys/sparc64/include/md_var.h 326023 2017-11-20 19:43:44Z pfg $
33  */
34 
35 #ifndef	_MACHINE_MD_VAR_H_
36 #define	_MACHINE_MD_VAR_H_
37 
38 typedef void cpu_block_copy_t(const void *src, void *dst, size_t len);
39 typedef void cpu_block_zero_t(void *dst, size_t len);
40 
41 extern	char	tl0_base[];
42 extern	char	_end[];
43 
44 extern	long	Maxmem;
45 
46 extern	vm_offset_t kstack0;
47 extern	vm_paddr_t kstack0_phys;
48 
49 struct	pcpu;
50 struct	md_utrap;
51 
52 uint32_t cpu_get_mid(u_int cpu_impl);
53 void	cpu_identify(u_long vers, u_int clock, u_int id);
54 const char *cpu_portid_prop(u_int cpu_impl);
55 void	cpu_setregs(struct pcpu *pc);
56 int	is_physical_memory(vm_paddr_t addr);
57 struct md_utrap *utrap_alloc(void);
58 void	utrap_free(struct md_utrap *ut);
59 struct md_utrap *utrap_hold(struct md_utrap *ut);
60 
61 cpu_block_copy_t spitfire_block_copy;
62 cpu_block_zero_t spitfire_block_zero;
63 cpu_block_copy_t zeus_block_copy;
64 cpu_block_zero_t zeus_block_zero;
65 
66 extern	cpu_block_copy_t *cpu_block_copy;
67 extern	cpu_block_zero_t *cpu_block_zero;
68 
69 /*
70  * Given that the VTOC8 disk label only uses 16-bit fields for cylinders,
71  * heads and sectors we might need to adjust the geometry of large disks.
72  */
73 struct ccb_calc_geometry;
74 int scsi_da_bios_params(struct ccb_calc_geometry *ccg);
75 struct disk;
76 void sparc64_ata_disk_firmware_geom_adjust(struct disk *disk);
77 #define	ata_disk_firmware_geom_adjust(disk)				\
78 	sparc64_ata_disk_firmware_geom_adjust(disk)
79 
80 #endif /* !_MACHINE_MD_VAR_H_ */
81