xref: /freebsd/sys/arm/include/machdep.h (revision 895f86f15fbf6540071feb9328c3c50ed1f027b8)
1 /* $NetBSD: machdep.h,v 1.7 2002/02/21 02:52:21 thorpej Exp $ */
2 /* $FreeBSD$ */
3 
4 #ifndef _MACHDEP_BOOT_MACHDEP_H_
5 #define _MACHDEP_BOOT_MACHDEP_H_
6 
7 /* Structs that need to be initialised by initarm */
8 #ifdef ARM_NEW_PMAP
9 extern vm_offset_t irqstack;
10 extern vm_offset_t undstack;
11 extern vm_offset_t abtstack;
12 #else
13 struct pv_addr;
14 extern struct pv_addr irqstack;
15 extern struct pv_addr undstack;
16 extern 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 */
25 struct trapframe;
26 void arm_lock_cache_line(vm_offset_t);
27 void init_proc0(vm_offset_t kstack);
28 void halt(void);
29 void abort_handler(struct trapframe *, int );
30 void set_stackptrs(int cpu);
31 void undefinedinstruction_bounce(struct trapframe *);
32 
33 /* Early boot related helper functions */
34 struct arm_boot_params;
35 vm_offset_t default_parse_boot_param(struct arm_boot_params *abp);
36 vm_offset_t freebsd_parse_boot_param(struct arm_boot_params *abp);
37 vm_offset_t linux_parse_boot_param(struct arm_boot_params *abp);
38 vm_offset_t fake_preload_metadata(struct arm_boot_params *abp);
39 vm_offset_t parse_boot_param(struct arm_boot_params *abp);
40 void arm_generic_initclocks(void);
41 
42 /* Board-specific attributes */
43 void board_set_serial(uint64_t);
44 void board_set_revision(uint32_t);
45 
46 int arm_predict_branch(void *, u_int, register_t, register_t *,
47     u_int (*)(void*, int), u_int (*)(void*, vm_offset_t, u_int*));
48 
49 #endif /* !_MACHINE_MACHDEP_H_ */
50