1/* $NetBSD: machdep.h,v 1.7 2002/02/21 02:52:21 thorpej Exp $ */
2/* $FreeBSD: releng/11.0/sys/arm/include/machdep.h 300694 2016-05-25 19:44:26Z ian $ */
3
4#ifndef _MACHDEP_BOOT_MACHDEP_H_
5#define _MACHDEP_BOOT_MACHDEP_H_
6
7/* Structs that need to be initialised by initarm */
8#if __ARM_ARCH >= 6
9extern vm_offset_t irqstack;
10extern vm_offset_t undstack;
11extern vm_offset_t abtstack;
12#else
13struct pv_addr;
14extern struct pv_addr irqstack;
15extern struct pv_addr undstack;
16extern struct pv_addr abtstack;
17#endif
18
19/* Define various stack sizes in pages */
20#define IRQ_STACK_SIZE	1
21#define ABT_STACK_SIZE	1
22#define UND_STACK_SIZE	1
23
24/* misc prototypes used by the many arm machdeps */
25struct trapframe;
26void arm_lock_cache_line(vm_offset_t);
27void init_proc0(vm_offset_t kstack);
28void halt(void);
29void abort_handler(struct trapframe *, int );
30void set_stackptrs(int cpu);
31void undefinedinstruction_bounce(struct trapframe *);
32
33/* Early boot related helper functions */
34struct arm_boot_params;
35vm_offset_t default_parse_boot_param(struct arm_boot_params *abp);
36vm_offset_t freebsd_parse_boot_param(struct arm_boot_params *abp);
37vm_offset_t linux_parse_boot_param(struct arm_boot_params *abp);
38vm_offset_t fake_preload_metadata(struct arm_boot_params *abp,
39    void *dtb_ptr, size_t dtb_size);
40vm_offset_t parse_boot_param(struct arm_boot_params *abp);
41void arm_generic_initclocks(void);
42
43/* Board-specific attributes */
44void board_set_serial(uint64_t);
45void board_set_revision(uint32_t);
46
47int arm_predict_branch(void *, u_int, register_t, register_t *,
48    u_int (*)(void*, int), u_int (*)(void*, vm_offset_t, u_int*));
49
50#ifdef MULTIDELAY
51typedef void delay_func(int, void *);
52void arm_set_delay(delay_func *, void *);
53#endif
54
55#endif /* !_MACHINE_MACHDEP_H_ */
56