1e5acd89cSAndrew Turner /*- 2e5acd89cSAndrew Turner * Copyright (c) 2013 Andrew Turner <andrew@freebsd.org> 3e5acd89cSAndrew Turner * All rights reserved. 4e5acd89cSAndrew Turner * 5e5acd89cSAndrew Turner * Redistribution and use in source and binary forms, with or without 6e5acd89cSAndrew Turner * modification, are permitted provided that the following conditions 7e5acd89cSAndrew Turner * are met: 8e5acd89cSAndrew Turner * 1. Redistributions of source code must retain the above copyright 9e5acd89cSAndrew Turner * notice, this list of conditions and the following disclaimer. 10e5acd89cSAndrew Turner * 2. Redistributions in binary form must reproduce the above copyright 11e5acd89cSAndrew Turner * notice, this list of conditions and the following disclaimer in the 12e5acd89cSAndrew Turner * documentation and/or other materials provided with the distribution. 13e5acd89cSAndrew Turner * 14e5acd89cSAndrew Turner * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15e5acd89cSAndrew Turner * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16e5acd89cSAndrew Turner * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17e5acd89cSAndrew Turner * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18e5acd89cSAndrew Turner * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19e5acd89cSAndrew Turner * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20e5acd89cSAndrew Turner * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21e5acd89cSAndrew Turner * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22e5acd89cSAndrew Turner * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23e5acd89cSAndrew Turner * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24e5acd89cSAndrew Turner * SUCH DAMAGE. 25e5acd89cSAndrew Turner * 26e5acd89cSAndrew Turner * $FreeBSD$ 27e5acd89cSAndrew Turner */ 28e5acd89cSAndrew Turner 29e5acd89cSAndrew Turner #ifndef _MACHINE_MACHDEP_H_ 30e5acd89cSAndrew Turner #define _MACHINE_MACHDEP_H_ 31e5acd89cSAndrew Turner 320c4be71aSAndrew Turner #ifdef _KERNEL 330c4be71aSAndrew Turner 34e5acd89cSAndrew Turner struct arm64_bootparams { 35e5acd89cSAndrew Turner vm_offset_t modulep; 36e5acd89cSAndrew Turner vm_offset_t kern_l1pt; /* L1 page table for the kernel */ 37e5acd89cSAndrew Turner uint64_t kern_delta; 38e5acd89cSAndrew Turner vm_offset_t kern_stack; 39f2f21fafSAndrew Turner vm_offset_t kern_l0pt; /* L1 page table for the kernel */ 40*857ab36fSAndrew Turner vm_paddr_t kern_ttbr0; 41228b87bcSAndrew Turner int boot_el; /* EL the kernel booted from */ 42228b87bcSAndrew Turner int pad; 43e5acd89cSAndrew Turner }; 44e5acd89cSAndrew Turner 45698c14e1SAndrew Turner enum arm64_bus { 46698c14e1SAndrew Turner ARM64_BUS_NONE, 47698c14e1SAndrew Turner ARM64_BUS_FDT, 48698c14e1SAndrew Turner ARM64_BUS_ACPI, 49698c14e1SAndrew Turner }; 50698c14e1SAndrew Turner 51698c14e1SAndrew Turner extern enum arm64_bus arm64_bus_method; 52698c14e1SAndrew Turner 53992029baSJohn Baldwin void dbg_init(void); 54228b87bcSAndrew Turner bool has_hyp(void); 55e5acd89cSAndrew Turner void initarm(struct arm64_bootparams *); 565641eda2SMichal Meloun vm_offset_t parse_boot_param(struct arm64_bootparams *abp); 575641eda2SMichal Meloun #ifdef FDT 585641eda2SMichal Meloun void parse_fdt_bootargs(void); 595641eda2SMichal Meloun #endif 6023e42a83SAndrew Turner int memory_mapping_mode(vm_paddr_t pa); 614d1dd74aSWojciech Macek extern void (*pagezero)(void *); 62e5acd89cSAndrew Turner 630c4be71aSAndrew Turner #endif /* _KERNEL */ 640c4be71aSAndrew Turner 65e5acd89cSAndrew Turner #endif /* _MACHINE_MACHDEP_H_ */ 66