2 * Copyright (c) 2013 Andrew Turner <andrew@freebsd.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #ifndef _MACHINE_MACHDEP_H_
30 #define _MACHINE_MACHDEP_H_
34 struct arm64_bootparams {
37 vm_offset_t kern_stack;
38 vm_paddr_t kern_ttbr0;
39 int boot_el; /* EL the kernel booted from */
49 extern enum arm64_bus arm64_bus_method;
53 void initarm(struct arm64_bootparams *);
54 vm_offset_t parse_boot_param(struct arm64_bootparams *abp);
56 void parse_fdt_bootargs(void);
58 int memory_mapping_mode(vm_paddr_t pa);
59 extern void (*pagezero)(void *);
63 * The virtual address SOCDEV_PA is mapped at.
64 * Only valid while the early pagetables are valid.
66 extern uintptr_t socdev_va;
71 #endif /* _MACHINE_MACHDEP_H_ */