1/*-
2 * Copyright (c) 2001 Jake Burkholder.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 9 unchanged lines hidden (view full) ---

18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/sys/sparc64/include/smp.h 91783 2002-03-07 06:01:40Z jake $
27 */
28
29#ifndef _MACHINE_SMP_H_
30#define _MACHINE_SMP_H_
31
32#define CPU_CLKSYNC 1
33#define CPU_INIT 2
34#define CPU_BOOTSTRAP 3

--- 8 unchanged lines hidden (view full) ---

43
44#define IPI_AST PIL_AST
45#define IPI_RENDEZVOUS PIL_RENDEZVOUS
46#define IPI_STOP PIL_STOP
47
48#define IPI_RETRIES 100
49
50struct cpu_start_args {
51 u_int csa_count;
52 u_int csa_mid;
53 u_int csa_state;
54 vm_offset_t csa_pcpu;
55 u_long csa_tick;
56 u_long csa_ver;
57 struct tte csa_ttes[PCPU_PAGES];
58};
59
60struct ipi_level_args {
61 u_int ila_count;
62 u_int ila_level;
63};
64
65struct ipi_tlb_args {
66 u_int ita_count;
67 u_long ita_tlb;
68 struct pmap *ita_pmap;
69 u_long ita_start;
70 u_long ita_end;
71};
72#define ita_va ita_start
73
74struct pcpu;
75
76void cpu_mp_bootstrap(struct pcpu *pc);

--- 5 unchanged lines hidden (view full) ---

82void ipi_all(u_int ipi);
83void ipi_all_but_self(u_int ipi);
84
85vm_offset_t mp_tramp_alloc(void);
86
87extern struct ipi_level_args ipi_level_args;
88extern struct ipi_tlb_args ipi_tlb_args;
89
90extern vm_offset_t mp_tramp;
91extern char *mp_tramp_code;
92extern u_long mp_tramp_code_len;
93extern u_long mp_tramp_tlb_slots;
94extern u_long mp_tramp_func;
95
96extern void mp_startup(void);
97
98extern char tl_ipi_level[];
99extern char tl_ipi_test[];
100extern char tl_ipi_tlb_context_demap[];
101extern char tl_ipi_tlb_page_demap[];
102extern char tl_ipi_tlb_range_demap[];
103
104#ifdef SMP
105
106#ifdef _MACHINE_PMAP_H_
107
108static __inline void *
109ipi_tlb_context_demap(struct pmap *pm)
110{
111 struct ipi_tlb_args *ita;
112 u_int cpus;
113
114 if (smp_cpus == 1)
115 return (NULL);
116 if ((cpus = (pm->pm_active & PCPU_GET(other_cpus))) == 0)
117 return (NULL);
118 ita = &ipi_tlb_args;
119 ita->ita_count = smp_cpus;
120 ita->ita_pmap = pm;
121 cpu_ipi_selected(cpus, 0, (u_long)tl_ipi_tlb_context_demap,
122 (u_long)ita);
123 return (&ita->ita_count);
124}
125
126static __inline void *
127ipi_tlb_page_demap(u_int tlb, struct pmap *pm, vm_offset_t va)
128{
129 struct ipi_tlb_args *ita;
130 u_int cpus;
131
132 if (smp_cpus == 1)
133 return (NULL);
134 if ((cpus = (pm->pm_active & PCPU_GET(other_cpus))) == 0)
135 return (NULL);
136 ita = &ipi_tlb_args;
137 ita->ita_count = smp_cpus;
138 ita->ita_tlb = tlb;
139 ita->ita_pmap = pm;
140 ita->ita_va = va;
141 cpu_ipi_selected(cpus, 0, (u_long)tl_ipi_tlb_page_demap, (u_long)ita);
142 return (&ita->ita_count);
143}
144
145static __inline void *
146ipi_tlb_range_demap(struct pmap *pm, vm_offset_t start, vm_offset_t end)
147{
148 struct ipi_tlb_args *ita;
149 u_int cpus;
150
151 if (smp_cpus == 1)
152 return (NULL);
153 if ((cpus = (pm->pm_active & PCPU_GET(other_cpus))) == 0)
154 return (NULL);
155 ita = &ipi_tlb_args;
156 ita->ita_count = smp_cpus;
157 ita->ita_pmap = pm;
158 ita->ita_start = start;
159 ita->ita_end = end;
160 cpu_ipi_selected(cpus, 0, (u_long)tl_ipi_tlb_range_demap, (u_long)ita);
161 return (&ita->ita_count);
162}
163
164static __inline void
165ipi_wait(void *cookie)
166{
167#if 0
168 u_int *count;
169
170 if ((count = cookie) != NULL) {
171 atomic_subtract_int(count, 1);
172 while (*count != 0)
173 ;
174 }
175#endif
176}
177
178#endif
179
180#else
181
182static __inline void *
183ipi_tlb_context_demap(struct pmap *pm)
184{
185 return (NULL);
186}
187
188static __inline void *
189ipi_tlb_page_demap(u_int tlb, struct pmap *pm, vm_offset_t va)
190{
191 return (NULL);
192}
193
194static __inline void *
195ipi_tlb_range_demap(struct pmap *pm, vm_offset_t start, vm_offset_t end)
196{
197 return (NULL);
198}
199
200static __inline void
201ipi_wait(void *cookie)
202{
203}
204
205#endif /* SMP */
206
207#endif /* !LOCORE */
208
209#endif /* !_MACHINE_SMP_H_ */