Fix OpenSolaris build breaking typos
[qemu] / hw / hpet_emul.h
1 /*
2  * QEMU Emulated HPET support
3  *
4  * Copyright IBM, Corp. 2008
5  *
6  * Authors:
7  *  Beth Kon   <bkon@us.ibm.com>
8  *
9  * This work is licensed under the terms of the GNU GPL, version 2.  See
10  * the COPYING file in the top-level directory.
11  *
12  */
13 #ifndef QEMU_HPET_EMUL_H
14 #define QEMU_HPET_EMUL_H
15
16 #define HPET_BASE               0xfed00000
17 #define HPET_CLK_PERIOD         10000000ULL /* 10000000 femtoseconds == 10ns*/
18
19 #define FS_PER_NS 1000000
20 #define HPET_NUM_TIMERS 3
21 #define HPET_TIMER_TYPE_LEVEL 0x002
22
23 #define HPET_CFG_ENABLE 0x001
24 #define HPET_CFG_LEGACY 0x002
25
26 #define HPET_ID         0x000
27 #define HPET_PERIOD     0x004
28 #define HPET_CFG        0x010
29 #define HPET_STATUS     0x020
30 #define HPET_COUNTER    0x0f0
31 #define HPET_TN_CFG     0x000
32 #define HPET_TN_CMP     0x008
33 #define HPET_TN_ROUTE   0x010
34 #define HPET_CFG_WRITE_MASK  0x3
35
36
37 #define HPET_TN_ENABLE           0x004
38 #define HPET_TN_PERIODIC         0x008
39 #define HPET_TN_PERIODIC_CAP     0x010
40 #define HPET_TN_SIZE_CAP         0x020
41 #define HPET_TN_SETVAL           0x040
42 #define HPET_TN_32BIT            0x100
43 #define HPET_TN_INT_ROUTE_MASK  0x3e00
44 #define HPET_TN_CFG_WRITE_MASK  0x3f4e
45 #define HPET_TN_INT_ROUTE_SHIFT      9
46 #define HPET_TN_INT_ROUTE_CAP_SHIFT 32
47 #define HPET_TN_CFG_BITS_READONLY_OR_RESERVED 0xffff80b1U
48
49 struct HPETState;
50 typedef struct HPETTimer {  /* timers */
51     uint8_t tn;             /*timer number*/
52     QEMUTimer *qemu_timer;
53     struct HPETState *state;
54     /* Memory-mapped, software visible timer registers */
55     uint64_t config;        /* configuration/cap */
56     uint64_t cmp;           /* comparator */
57     uint64_t fsb;           /* FSB route, not supported now */
58     /* Hidden register state */
59     uint64_t period;        /* Last value written to comparator */
60     uint8_t wrap_flag;      /* timer pop will indicate wrap for one-shot 32-bit
61                              * mode. Next pop will be actual timer expiration.
62                              */
63 } HPETTimer;
64
65 typedef struct HPETState {
66     uint64_t hpet_offset;
67     qemu_irq *irqs;
68     HPETTimer timer[HPET_NUM_TIMERS];
69
70     /* Memory-mapped, software visible registers */
71     uint64_t capability;        /* capabilities */
72     uint64_t config;            /* configuration */
73     uint64_t isr;               /* interrupt status reg */
74     uint64_t hpet_counter;      /* main counter */
75 } HPETState;
76
77 #if defined TARGET_I386 || defined TARGET_X86_64
78 extern uint32_t hpet_in_legacy_mode(void);
79 extern void hpet_init(qemu_irq *irq);
80 #endif
81
82 #endif