1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_M32R_SMP_H
#define _ASM_M32R_SMP_H
#ifdef CONFIG_SMP
#ifndef __ASSEMBLY__
#include <linux/cpumask.h>
#include <linux/spinlock.h>
#include <linux/threads.h>
#include <asm/m32r.h>
#define PHYSID_ARRAY_SIZE 1
struct physid_mask
{
unsigned long mask[PHYSID_ARRAY_SIZE];
};
typedef struct physid_mask physid_mask_t;
#define physid_set(physid, map) set_bit(physid, (map).mask)
#define physid_clear(physid, map) clear_bit(physid, (map).mask)
#define physid_isset(physid, map) test_bit(physid, (map).mask)
#define physid_test_and_set(physid, map) test_and_set_bit(physid, (map).mask)
#define physids_and(dst, src1, src2) bitmap_and((dst).mask, (src1).mask, (src2).mask, MAX_APICS)
#define physids_or(dst, src1, src2) bitmap_or((dst).mask, (src1).mask, (src2).mask, MAX_APICS)
#define physids_clear(map) bitmap_zero((map).mask, MAX_APICS)
#define physids_complement(dst, src) bitmap_complement((dst).mask,(src).mask, MAX_APICS)
#define physids_empty(map) bitmap_empty((map).mask, MAX_APICS)
#define physids_equal(map1, map2) bitmap_equal((map1).mask, (map2).mask, MAX_APICS)
#define physids_weight(map) bitmap_weight((map).mask, MAX_APICS)
#define physids_shift_right(d, s, n) bitmap_shift_right((d).mask, (s).mask, n, MAX_APICS)
#define physids_shift_left(d, s, n) bitmap_shift_left((d).mask, (s).mask, n, MAX_APICS)
#define physids_coerce(map) ((map).mask[0])
#define physids_promote(physids) \
({ \
physid_mask_t __physid_mask = PHYSID_MASK_NONE; \
__physid_mask.mask[0] = physids; \
__physid_mask; \
})
#define physid_mask_of_physid(physid) \
({ \
physid_mask_t __physid_mask = PHYSID_MASK_NONE; \
physid_set(physid, __physid_mask); \
__physid_mask; \
})
#define PHYSID_MASK_ALL { {[0 ... PHYSID_ARRAY_SIZE-1] = ~0UL} }
#define PHYSID_MASK_NONE { {[0 ... PHYSID_ARRAY_SIZE-1] = 0UL} }
extern physid_mask_t phys_cpu_present_map;
/*
* Some lowlevel functions might want to know about
* the real CPU ID <-> CPU # mapping.
*/
extern volatile int cpu_2_physid[NR_CPUS];
#define cpu_to_physid(cpu_id) cpu_2_physid[cpu_id]
#define raw_smp_processor_id() (current_thread_info()->cpu)
extern cpumask_t cpu_callout_map;
static __inline__ int hard_smp_processor_id(void)
{
return (int)*(volatile long *)M32R_CPUID_PORTL;
}
static __inline__ int cpu_logical_map(int cpu)
{
return cpu;
}
static __inline__ int cpu_number_map(int cpu)
{
return cpu;
}
extern void smp_send_timer(void);
extern unsigned long send_IPI_mask_phys(const cpumask_t*, int, int);
extern void arch_send_call_function_single_ipi(int cpu);
extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
#endif /* not __ASSEMBLY__ */
#define NO_PROC_ID (0xff) /* No processor magic marker */
/*
* M32R-mp IPI
*/
#define RESCHEDULE_IPI (M32R_IRQ_IPI0-M32R_IRQ_IPI0)
#define INVALIDATE_TLB_IPI (M32R_IRQ_IPI1-M32R_IRQ_IPI0)
#define CALL_FUNCTION_IPI (M32R_IRQ_IPI2-M32R_IRQ_IPI0)
#define LOCAL_TIMER_IPI (M32R_IRQ_IPI3-M32R_IRQ_IPI0)
#define INVALIDATE_CACHE_IPI (M32R_IRQ_IPI4-M32R_IRQ_IPI0)
#define CPU_BOOT_IPI (M32R_IRQ_IPI5-M32R_IRQ_IPI0)
#define CALL_FUNC_SINGLE_IPI (M32R_IRQ_IPI6-M32R_IRQ_IPI0)
#define IPI_SHIFT (0)
#define NR_IPIS (8)
#else /* CONFIG_SMP */
#define hard_smp_processor_id() 0
#endif /* CONFIG_SMP */
#endif /* _ASM_M32R_SMP_H */
|
