machdep.h revision 1.1.2.2 1 1.1.2.2 pgoyette /* $NetBSD: machdep.h,v 1.1.2.2 2018/04/07 04:12:11 pgoyette Exp $ */
2 1.1.2.2 pgoyette
3 1.1.2.2 pgoyette /*
4 1.1.2.2 pgoyette * Copyright (c) 2017 Ryo Shimizu <ryo (at) nerv.org>
5 1.1.2.2 pgoyette * All rights reserved.
6 1.1.2.2 pgoyette *
7 1.1.2.2 pgoyette * Redistribution and use in source and binary forms, with or without
8 1.1.2.2 pgoyette * modification, are permitted provided that the following conditions
9 1.1.2.2 pgoyette * are met:
10 1.1.2.2 pgoyette * 1. Redistributions of source code must retain the above copyright
11 1.1.2.2 pgoyette * notice, this list of conditions and the following disclaimer.
12 1.1.2.2 pgoyette * 2. Redistributions in binary form must reproduce the above copyright
13 1.1.2.2 pgoyette * notice, this list of conditions and the following disclaimer in the
14 1.1.2.2 pgoyette * documentation and/or other materials provided with the distribution.
15 1.1.2.2 pgoyette *
16 1.1.2.2 pgoyette * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 1.1.2.2 pgoyette * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 1.1.2.2 pgoyette * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 1.1.2.2 pgoyette * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
20 1.1.2.2 pgoyette * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 1.1.2.2 pgoyette * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22 1.1.2.2 pgoyette * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 1.1.2.2 pgoyette * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
24 1.1.2.2 pgoyette * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
25 1.1.2.2 pgoyette * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 1.1.2.2 pgoyette * POSSIBILITY OF SUCH DAMAGE.
27 1.1.2.2 pgoyette */
28 1.1.2.2 pgoyette
29 1.1.2.2 pgoyette #ifndef _AARCH64_MACHDEP_H_
30 1.1.2.2 pgoyette #define _AARCH64_MACHDEP_H_
31 1.1.2.2 pgoyette
32 1.1.2.2 pgoyette #include <sys/proc.h>
33 1.1.2.2 pgoyette #include <sys/lwp.h>
34 1.1.2.2 pgoyette #include <sys/siginfo.h>
35 1.1.2.2 pgoyette
36 1.1.2.2 pgoyette // initarm_common
37 1.1.2.2 pgoyette #include <machine/bootconfig.h>
38 1.1.2.2 pgoyette
39 1.1.2.2 pgoyette
40 1.1.2.2 pgoyette static inline paddr_t
41 1.1.2.2 pgoyette aarch64_kern_vtophys(vaddr_t va)
42 1.1.2.2 pgoyette {
43 1.1.2.2 pgoyette extern u_long kern_vtopdiff;
44 1.1.2.2 pgoyette
45 1.1.2.2 pgoyette return va - kern_vtopdiff;
46 1.1.2.2 pgoyette }
47 1.1.2.2 pgoyette
48 1.1.2.2 pgoyette static inline vaddr_t
49 1.1.2.2 pgoyette aarch64_kern_phystov(paddr_t pa)
50 1.1.2.2 pgoyette {
51 1.1.2.2 pgoyette extern u_long kern_vtopdiff;
52 1.1.2.2 pgoyette
53 1.1.2.2 pgoyette return pa + kern_vtopdiff;
54 1.1.2.2 pgoyette }
55 1.1.2.2 pgoyette
56 1.1.2.2 pgoyette #define KERN_VTOPHYS(va) aarch64_kern_vtophys(va)
57 1.1.2.2 pgoyette #define KERN_PHYSTOV(pa) aarch64_kern_phystov(pa)
58 1.1.2.2 pgoyette
59 1.1.2.2 pgoyette extern paddr_t physical_start;
60 1.1.2.2 pgoyette extern paddr_t physical_end;
61 1.1.2.2 pgoyette
62 1.1.2.2 pgoyette extern void (*cpu_reset_address0)(void);
63 1.1.2.2 pgoyette extern void (*cpu_reset_address)(void);
64 1.1.2.2 pgoyette extern void (*cpu_powerdown_address)(void);
65 1.1.2.2 pgoyette
66 1.1.2.2 pgoyette extern char *booted_kernel;
67 1.1.2.2 pgoyette
68 1.1.2.2 pgoyette vaddr_t initarm_common(vaddr_t, vsize_t, const struct boot_physmem *, size_t);
69 1.1.2.2 pgoyette
70 1.1.2.2 pgoyette void parse_mi_bootargs(char *);
71 1.1.2.2 pgoyette void dumpsys(void);
72 1.1.2.2 pgoyette
73 1.1.2.2 pgoyette struct trapframe;
74 1.1.2.2 pgoyette
75 1.1.2.2 pgoyette /* fault.c */
76 1.1.2.2 pgoyette void data_abort_handler(struct trapframe *, uint32_t, const char *);
77 1.1.2.2 pgoyette
78 1.1.2.2 pgoyette /* trap.c */
79 1.1.2.2 pgoyette void lwp_trampoline(void);
80 1.1.2.2 pgoyette void cpu_dosoftints(void);
81 1.1.2.2 pgoyette void cpu_switchto_softint(struct lwp *, int);
82 1.1.2.2 pgoyette void dosoftints(void);
83 1.1.2.2 pgoyette void trap_doast(struct trapframe *);
84 1.1.2.2 pgoyette
85 1.1.2.2 pgoyette void trap_el1t_sync(struct trapframe *);
86 1.1.2.2 pgoyette void trap_el1t_irq(struct trapframe *);
87 1.1.2.2 pgoyette void trap_el1t_fiq(struct trapframe *);
88 1.1.2.2 pgoyette void trap_el1t_error(struct trapframe *);
89 1.1.2.2 pgoyette void trap_el1h_sync(struct trapframe *);
90 1.1.2.2 pgoyette void trap_el1h_fiq(struct trapframe *);
91 1.1.2.2 pgoyette void trap_el1h_error(struct trapframe *);
92 1.1.2.2 pgoyette void trap_el0_sync(struct trapframe *);
93 1.1.2.2 pgoyette void trap_el0_fiq(struct trapframe *);
94 1.1.2.2 pgoyette void trap_el0_error(struct trapframe *);
95 1.1.2.2 pgoyette void trap_el0_32sync(struct trapframe *);
96 1.1.2.2 pgoyette void trap_el0_32fiq(struct trapframe *);
97 1.1.2.2 pgoyette void trap_el0_32error(struct trapframe *);
98 1.1.2.2 pgoyette void interrupt(struct trapframe *);
99 1.1.2.2 pgoyette
100 1.1.2.2 pgoyette void ucas_ras_check(struct trapframe *);
101 1.1.2.2 pgoyette
102 1.1.2.2 pgoyette /* cpu_onfault */
103 1.1.2.2 pgoyette int cpu_set_onfault(struct faultbuf *) __returns_twice;
104 1.1.2.2 pgoyette void cpu_jump_onfault(struct trapframe *, const struct faultbuf *, int);
105 1.1.2.2 pgoyette
106 1.1.2.2 pgoyette static inline void
107 1.1.2.2 pgoyette cpu_unset_onfault(void)
108 1.1.2.2 pgoyette {
109 1.1.2.2 pgoyette curlwp->l_md.md_onfault = NULL;
110 1.1.2.2 pgoyette }
111 1.1.2.2 pgoyette
112 1.1.2.2 pgoyette static inline void
113 1.1.2.2 pgoyette cpu_enable_onfault(struct faultbuf *fb)
114 1.1.2.2 pgoyette {
115 1.1.2.2 pgoyette curlwp->l_md.md_onfault = fb;
116 1.1.2.2 pgoyette }
117 1.1.2.2 pgoyette
118 1.1.2.2 pgoyette static inline struct faultbuf *
119 1.1.2.2 pgoyette cpu_disable_onfault(void)
120 1.1.2.2 pgoyette {
121 1.1.2.2 pgoyette struct faultbuf * const fb = curlwp->l_md.md_onfault;
122 1.1.2.2 pgoyette if (fb != NULL)
123 1.1.2.2 pgoyette curlwp->l_md.md_onfault = NULL;
124 1.1.2.2 pgoyette return fb;
125 1.1.2.2 pgoyette }
126 1.1.2.2 pgoyette
127 1.1.2.2 pgoyette /* fpu.c */
128 1.1.2.2 pgoyette void fpu_attach(struct cpu_info *);
129 1.1.2.2 pgoyette struct fpreg;
130 1.1.2.2 pgoyette void load_fpregs(struct fpreg *);
131 1.1.2.2 pgoyette void save_fpregs(struct fpreg *);
132 1.1.2.2 pgoyette
133 1.1.2.2 pgoyette static inline void
134 1.1.2.2 pgoyette do_trapsignal(struct lwp *l, int signo, int code, void *addr, int trap)
135 1.1.2.2 pgoyette {
136 1.1.2.2 pgoyette ksiginfo_t ksi;
137 1.1.2.2 pgoyette
138 1.1.2.2 pgoyette KSI_INIT_TRAP(&ksi);
139 1.1.2.2 pgoyette ksi.ksi_signo = signo;
140 1.1.2.2 pgoyette ksi.ksi_code = code;
141 1.1.2.2 pgoyette ksi.ksi_addr = addr;
142 1.1.2.2 pgoyette ksi.ksi_trap = trap;
143 1.1.2.2 pgoyette (*l->l_proc->p_emul->e_trapsignal)(l, &ksi);
144 1.1.2.2 pgoyette }
145 1.1.2.2 pgoyette
146 1.1.2.2 pgoyette #include <sys/pcu.h>
147 1.1.2.2 pgoyette
148 1.1.2.2 pgoyette extern const pcu_ops_t pcu_fpu_ops;
149 1.1.2.2 pgoyette
150 1.1.2.2 pgoyette static inline bool
151 1.1.2.2 pgoyette fpu_used_p(lwp_t *l)
152 1.1.2.2 pgoyette {
153 1.1.2.2 pgoyette return pcu_valid_p(&pcu_fpu_ops, l);
154 1.1.2.2 pgoyette }
155 1.1.2.2 pgoyette
156 1.1.2.2 pgoyette static inline void
157 1.1.2.2 pgoyette fpu_save(lwp_t *l)
158 1.1.2.2 pgoyette {
159 1.1.2.2 pgoyette pcu_save(&pcu_fpu_ops, l);
160 1.1.2.2 pgoyette }
161 1.1.2.2 pgoyette
162 1.1.2.2 pgoyette static inline void
163 1.1.2.2 pgoyette fpu_load(lwp_t *l)
164 1.1.2.2 pgoyette {
165 1.1.2.2 pgoyette pcu_load(&pcu_fpu_ops);
166 1.1.2.2 pgoyette }
167 1.1.2.2 pgoyette
168 1.1.2.2 pgoyette static inline void
169 1.1.2.2 pgoyette fpu_discard(lwp_t *l, bool usesw)
170 1.1.2.2 pgoyette {
171 1.1.2.2 pgoyette pcu_discard(&pcu_fpu_ops, l, usesw);
172 1.1.2.2 pgoyette }
173 1.1.2.2 pgoyette
174 1.1.2.2 pgoyette #endif /* _AARCH64_MACHDEP_H_ */
175