machdep.h revision 1.1.2.5 1 1.1.2.5 pgoyette /* $NetBSD: machdep.h,v 1.1.2.5 2018/09/30 01:45:35 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 1.1.2.5 pgoyette struct boot_physmem;
40 1.1.2.2 pgoyette
41 1.1.2.2 pgoyette static inline paddr_t
42 1.1.2.2 pgoyette aarch64_kern_vtophys(vaddr_t va)
43 1.1.2.2 pgoyette {
44 1.1.2.2 pgoyette extern u_long kern_vtopdiff;
45 1.1.2.2 pgoyette
46 1.1.2.2 pgoyette return va - kern_vtopdiff;
47 1.1.2.2 pgoyette }
48 1.1.2.2 pgoyette
49 1.1.2.2 pgoyette static inline vaddr_t
50 1.1.2.2 pgoyette aarch64_kern_phystov(paddr_t pa)
51 1.1.2.2 pgoyette {
52 1.1.2.2 pgoyette extern u_long kern_vtopdiff;
53 1.1.2.2 pgoyette
54 1.1.2.2 pgoyette return pa + kern_vtopdiff;
55 1.1.2.2 pgoyette }
56 1.1.2.2 pgoyette
57 1.1.2.2 pgoyette #define KERN_VTOPHYS(va) aarch64_kern_vtophys(va)
58 1.1.2.2 pgoyette #define KERN_PHYSTOV(pa) aarch64_kern_phystov(pa)
59 1.1.2.2 pgoyette
60 1.1.2.2 pgoyette extern paddr_t physical_start;
61 1.1.2.2 pgoyette extern paddr_t physical_end;
62 1.1.2.2 pgoyette
63 1.1.2.2 pgoyette extern void (*cpu_reset_address0)(void);
64 1.1.2.2 pgoyette extern void (*cpu_reset_address)(void);
65 1.1.2.2 pgoyette extern void (*cpu_powerdown_address)(void);
66 1.1.2.2 pgoyette
67 1.1.2.2 pgoyette extern char *booted_kernel;
68 1.1.2.2 pgoyette
69 1.1.2.3 pgoyette #ifdef MULTIPROCESSOR
70 1.1.2.3 pgoyette extern u_int arm_cpu_max;
71 1.1.2.3 pgoyette #endif
72 1.1.2.3 pgoyette
73 1.1.2.2 pgoyette vaddr_t initarm_common(vaddr_t, vsize_t, const struct boot_physmem *, size_t);
74 1.1.2.4 pgoyette void cpu_kernel_vm_init(paddr_t, psize_t);
75 1.1.2.2 pgoyette
76 1.1.2.2 pgoyette void parse_mi_bootargs(char *);
77 1.1.2.2 pgoyette void dumpsys(void);
78 1.1.2.2 pgoyette
79 1.1.2.2 pgoyette struct trapframe;
80 1.1.2.2 pgoyette
81 1.1.2.2 pgoyette /* fault.c */
82 1.1.2.3 pgoyette void data_abort_handler(struct trapframe *, uint32_t);
83 1.1.2.2 pgoyette
84 1.1.2.2 pgoyette /* trap.c */
85 1.1.2.2 pgoyette void lwp_trampoline(void);
86 1.1.2.2 pgoyette void cpu_dosoftints(void);
87 1.1.2.2 pgoyette void cpu_switchto_softint(struct lwp *, int);
88 1.1.2.2 pgoyette void dosoftints(void);
89 1.1.2.2 pgoyette void trap_doast(struct trapframe *);
90 1.1.2.2 pgoyette
91 1.1.2.2 pgoyette void trap_el1t_sync(struct trapframe *);
92 1.1.2.2 pgoyette void trap_el1t_irq(struct trapframe *);
93 1.1.2.2 pgoyette void trap_el1t_fiq(struct trapframe *);
94 1.1.2.2 pgoyette void trap_el1t_error(struct trapframe *);
95 1.1.2.2 pgoyette void trap_el1h_sync(struct trapframe *);
96 1.1.2.2 pgoyette void trap_el1h_fiq(struct trapframe *);
97 1.1.2.2 pgoyette void trap_el1h_error(struct trapframe *);
98 1.1.2.2 pgoyette void trap_el0_sync(struct trapframe *);
99 1.1.2.2 pgoyette void trap_el0_fiq(struct trapframe *);
100 1.1.2.2 pgoyette void trap_el0_error(struct trapframe *);
101 1.1.2.2 pgoyette void trap_el0_32sync(struct trapframe *);
102 1.1.2.2 pgoyette void trap_el0_32fiq(struct trapframe *);
103 1.1.2.2 pgoyette void trap_el0_32error(struct trapframe *);
104 1.1.2.2 pgoyette void interrupt(struct trapframe *);
105 1.1.2.2 pgoyette
106 1.1.2.2 pgoyette void ucas_ras_check(struct trapframe *);
107 1.1.2.2 pgoyette
108 1.1.2.2 pgoyette /* cpu_onfault */
109 1.1.2.2 pgoyette int cpu_set_onfault(struct faultbuf *) __returns_twice;
110 1.1.2.2 pgoyette void cpu_jump_onfault(struct trapframe *, const struct faultbuf *, int);
111 1.1.2.2 pgoyette
112 1.1.2.5 pgoyette #if defined(_KERNEL)
113 1.1.2.2 pgoyette static inline void
114 1.1.2.2 pgoyette cpu_unset_onfault(void)
115 1.1.2.2 pgoyette {
116 1.1.2.2 pgoyette curlwp->l_md.md_onfault = NULL;
117 1.1.2.2 pgoyette }
118 1.1.2.2 pgoyette
119 1.1.2.2 pgoyette static inline void
120 1.1.2.2 pgoyette cpu_enable_onfault(struct faultbuf *fb)
121 1.1.2.2 pgoyette {
122 1.1.2.2 pgoyette curlwp->l_md.md_onfault = fb;
123 1.1.2.2 pgoyette }
124 1.1.2.2 pgoyette
125 1.1.2.2 pgoyette static inline struct faultbuf *
126 1.1.2.2 pgoyette cpu_disable_onfault(void)
127 1.1.2.2 pgoyette {
128 1.1.2.2 pgoyette struct faultbuf * const fb = curlwp->l_md.md_onfault;
129 1.1.2.2 pgoyette if (fb != NULL)
130 1.1.2.2 pgoyette curlwp->l_md.md_onfault = NULL;
131 1.1.2.2 pgoyette return fb;
132 1.1.2.2 pgoyette }
133 1.1.2.5 pgoyette #endif
134 1.1.2.2 pgoyette
135 1.1.2.2 pgoyette /* fpu.c */
136 1.1.2.2 pgoyette void fpu_attach(struct cpu_info *);
137 1.1.2.2 pgoyette struct fpreg;
138 1.1.2.2 pgoyette void load_fpregs(struct fpreg *);
139 1.1.2.2 pgoyette void save_fpregs(struct fpreg *);
140 1.1.2.2 pgoyette
141 1.1.2.3 pgoyette #ifdef TRAP_SIGDEBUG
142 1.1.2.3 pgoyette #define do_trapsignal(l, signo, code, addr, trap) \
143 1.1.2.3 pgoyette do_trapsignal1(__func__, __LINE__, tf, l, signo, code, addr, trap)
144 1.1.2.3 pgoyette #else
145 1.1.2.3 pgoyette #define do_trapsignal(l, signo, code, addr, trap) \
146 1.1.2.3 pgoyette do_trapsignal1(l, signo, code, addr, trap)
147 1.1.2.3 pgoyette #endif
148 1.1.2.3 pgoyette
149 1.1.2.3 pgoyette void do_trapsignal1(
150 1.1.2.3 pgoyette #ifdef TRAP_SIGDEBUG
151 1.1.2.3 pgoyette const char *func, size_t line, struct trapframe *tf,
152 1.1.2.3 pgoyette #endif
153 1.1.2.3 pgoyette struct lwp *l, int signo, int code, void *addr, int trap);
154 1.1.2.2 pgoyette
155 1.1.2.3 pgoyette const char *eclass_trapname(uint32_t);
156 1.1.2.2 pgoyette
157 1.1.2.2 pgoyette #include <sys/pcu.h>
158 1.1.2.2 pgoyette
159 1.1.2.2 pgoyette extern const pcu_ops_t pcu_fpu_ops;
160 1.1.2.2 pgoyette
161 1.1.2.2 pgoyette static inline bool
162 1.1.2.2 pgoyette fpu_used_p(lwp_t *l)
163 1.1.2.2 pgoyette {
164 1.1.2.2 pgoyette return pcu_valid_p(&pcu_fpu_ops, l);
165 1.1.2.2 pgoyette }
166 1.1.2.2 pgoyette
167 1.1.2.2 pgoyette static inline void
168 1.1.2.2 pgoyette fpu_save(lwp_t *l)
169 1.1.2.2 pgoyette {
170 1.1.2.2 pgoyette pcu_save(&pcu_fpu_ops, l);
171 1.1.2.2 pgoyette }
172 1.1.2.2 pgoyette
173 1.1.2.2 pgoyette static inline void
174 1.1.2.2 pgoyette fpu_load(lwp_t *l)
175 1.1.2.2 pgoyette {
176 1.1.2.2 pgoyette pcu_load(&pcu_fpu_ops);
177 1.1.2.2 pgoyette }
178 1.1.2.2 pgoyette
179 1.1.2.2 pgoyette static inline void
180 1.1.2.2 pgoyette fpu_discard(lwp_t *l, bool usesw)
181 1.1.2.2 pgoyette {
182 1.1.2.2 pgoyette pcu_discard(&pcu_fpu_ops, l, usesw);
183 1.1.2.2 pgoyette }
184 1.1.2.2 pgoyette
185 1.1.2.2 pgoyette #endif /* _AARCH64_MACHDEP_H_ */
186