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 27e5acd89cSAndrew Turner #ifndef _MACHINE_MACHDEP_H_ 28e5acd89cSAndrew Turner #define _MACHINE_MACHDEP_H_ 29e5acd89cSAndrew Turner 300c4be71aSAndrew Turner #ifdef _KERNEL 310c4be71aSAndrew Turner 32e5acd89cSAndrew Turner struct arm64_bootparams { 33e5acd89cSAndrew Turner vm_offset_t modulep; 34e5acd89cSAndrew Turner vm_offset_t kern_stack; 35857ab36fSAndrew Turner vm_paddr_t kern_ttbr0; 36d2ae03baSKyle Evans uint64_t hcr_el2; 37228b87bcSAndrew Turner int boot_el; /* EL the kernel booted from */ 38228b87bcSAndrew Turner int pad; 39e5acd89cSAndrew Turner }; 40e5acd89cSAndrew Turner 41698c14e1SAndrew Turner enum arm64_bus { 42698c14e1SAndrew Turner ARM64_BUS_NONE, 43698c14e1SAndrew Turner ARM64_BUS_FDT, 44698c14e1SAndrew Turner ARM64_BUS_ACPI, 45698c14e1SAndrew Turner }; 46698c14e1SAndrew Turner 47698c14e1SAndrew Turner extern enum arm64_bus arm64_bus_method; 48698c14e1SAndrew Turner 49992029baSJohn Baldwin void dbg_init(void); 50228b87bcSAndrew Turner bool has_hyp(void); 51*353b6a5bSAndrew Turner bool in_vhe(void); 52e5acd89cSAndrew Turner void initarm(struct arm64_bootparams *); 535641eda2SMichal Meloun vm_offset_t parse_boot_param(struct arm64_bootparams *abp); 545641eda2SMichal Meloun #ifdef FDT 555641eda2SMichal Meloun void parse_fdt_bootargs(void); 565641eda2SMichal Meloun #endif 5723e42a83SAndrew Turner int memory_mapping_mode(vm_paddr_t pa); 584d1dd74aSWojciech Macek extern void (*pagezero)(void *); 59e5acd89cSAndrew Turner 6048ba9b26SAndrew Turner #ifdef SOCDEV_PA 6148ba9b26SAndrew Turner /* 6248ba9b26SAndrew Turner * The virtual address SOCDEV_PA is mapped at. 6348ba9b26SAndrew Turner * Only valid while the early pagetables are valid. 6448ba9b26SAndrew Turner */ 6548ba9b26SAndrew Turner extern uintptr_t socdev_va; 6648ba9b26SAndrew Turner #endif 6748ba9b26SAndrew Turner 680c4be71aSAndrew Turner #endif /* _KERNEL */ 690c4be71aSAndrew Turner 70e5acd89cSAndrew Turner #endif /* _MACHINE_MACHDEP_H_ */ 71