hpet: Catch out-of-bounds timer access
[qemu/kraxel.git] / sysemu.h
blob346cccd76d58bc3bf35d628579145aa4976d52df
1 #ifndef SYSEMU_H
2 #define SYSEMU_H
3 /* Misc. things related to the system emulator. */
5 #include "qemu-common.h"
6 #include "qemu-option.h"
7 #include "qemu-queue.h"
8 #include "qemu-timer.h"
10 #ifdef _WIN32
11 #include <windows.h>
12 #include "qemu-os-win32.h"
13 #endif
15 #ifdef CONFIG_POSIX
16 #include "qemu-os-posix.h"
17 #endif
19 /* vl.c */
20 extern const char *bios_name;
22 #define QEMU_FILE_TYPE_BIOS 0
23 #define QEMU_FILE_TYPE_KEYMAP 1
24 char *qemu_find_file(int type, const char *name);
26 extern int vm_running;
27 extern const char *qemu_name;
28 extern uint8_t qemu_uuid[];
29 int qemu_uuid_parse(const char *str, uint8_t *uuid);
30 #define UUID_FMT "%02hhx%02hhx%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx"
32 typedef struct vm_change_state_entry VMChangeStateEntry;
33 typedef void VMChangeStateHandler(void *opaque, int running, int reason);
35 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
36 void *opaque);
37 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e);
39 void vm_start(void);
40 void vm_stop(int reason);
42 uint64_t ram_bytes_remaining(void);
43 uint64_t ram_bytes_transferred(void);
44 uint64_t ram_bytes_total(void);
46 int64_t cpu_get_ticks(void);
47 void cpu_enable_ticks(void);
48 void cpu_disable_ticks(void);
50 void qemu_system_reset_request(void);
51 void qemu_system_shutdown_request(void);
52 void qemu_system_powerdown_request(void);
53 int qemu_shutdown_requested(void);
54 int qemu_reset_requested(void);
55 int qemu_powerdown_requested(void);
56 extern qemu_irq qemu_system_powerdown;
57 void qemu_system_reset(void);
59 void do_savevm(Monitor *mon, const QDict *qdict);
60 int load_vmstate(const char *name);
61 void do_delvm(Monitor *mon, const QDict *qdict);
62 void do_info_snapshots(Monitor *mon);
64 void cpu_synchronize_all_states(void);
65 void cpu_synchronize_all_post_reset(void);
66 void cpu_synchronize_all_post_init(void);
68 void qemu_announce_self(void);
70 void main_loop_wait(int nonblocking);
72 int qemu_savevm_state_begin(Monitor *mon, QEMUFile *f, int blk_enable,
73 int shared);
74 int qemu_savevm_state_iterate(Monitor *mon, QEMUFile *f);
75 int qemu_savevm_state_complete(Monitor *mon, QEMUFile *f);
76 void qemu_savevm_state_cancel(Monitor *mon, QEMUFile *f);
77 int qemu_loadvm_state(QEMUFile *f);
79 /* SLIRP */
80 void do_info_slirp(Monitor *mon);
82 /* OS specific functions */
83 void os_setup_early_signal_handling(void);
84 char *os_find_datadir(const char *argv0);
85 void os_parse_cmd_args(int index, const char *optarg);
86 void os_pidfile_error(void);
88 typedef enum DisplayType
90 DT_DEFAULT,
91 DT_CURSES,
92 DT_SDL,
93 DT_VNC,
94 DT_NOGRAPHIC,
95 } DisplayType;
97 extern int autostart;
98 extern int bios_size;
100 typedef enum {
101 VGA_NONE, VGA_STD, VGA_CIRRUS, VGA_VMWARE, VGA_XENFB
102 } VGAInterfaceType;
104 extern int vga_interface_type;
105 #define cirrus_vga_enabled (vga_interface_type == VGA_CIRRUS)
106 #define std_vga_enabled (vga_interface_type == VGA_STD)
107 #define xenfb_enabled (vga_interface_type == VGA_XENFB)
108 #define vmsvga_enabled (vga_interface_type == VGA_VMWARE)
110 extern int graphic_width;
111 extern int graphic_height;
112 extern int graphic_depth;
113 extern uint8_t irq0override;
114 extern DisplayType display_type;
115 extern const char *keyboard_layout;
116 extern int win2k_install_hack;
117 extern int rtc_td_hack;
118 extern int alt_grab;
119 extern int ctrl_grab;
120 extern int usb_enabled;
121 extern int smp_cpus;
122 extern int max_cpus;
123 extern int cursor_hide;
124 extern int graphic_rotate;
125 extern int no_quit;
126 extern int no_shutdown;
127 extern int semihosting_enabled;
128 extern int old_param;
129 extern int boot_menu;
130 extern QEMUClock *rtc_clock;
132 #define MAX_NODES 64
133 extern int nb_numa_nodes;
134 extern uint64_t node_mem[MAX_NODES];
135 extern uint64_t node_cpumask[MAX_NODES];
137 #define MAX_OPTION_ROMS 16
138 extern const char *option_rom[MAX_OPTION_ROMS];
139 extern int nb_option_roms;
141 #define MAX_PROM_ENVS 128
142 extern const char *prom_envs[MAX_PROM_ENVS];
143 extern unsigned int nb_prom_envs;
145 typedef enum {
146 IF_NONE,
147 IF_IDE, IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD, IF_VIRTIO, IF_XEN,
148 IF_COUNT
149 } BlockInterfaceType;
151 typedef enum {
152 BLOCK_ERR_REPORT, BLOCK_ERR_IGNORE, BLOCK_ERR_STOP_ENOSPC,
153 BLOCK_ERR_STOP_ANY
154 } BlockInterfaceErrorAction;
156 #define BLOCK_SERIAL_STRLEN 20
158 typedef struct DriveInfo {
159 BlockDriverState *bdrv;
160 char *id;
161 const char *devaddr;
162 BlockInterfaceType type;
163 int bus;
164 int unit;
165 QemuOpts *opts;
166 BlockInterfaceErrorAction on_read_error;
167 BlockInterfaceErrorAction on_write_error;
168 char serial[BLOCK_SERIAL_STRLEN + 1];
169 QTAILQ_ENTRY(DriveInfo) next;
170 } DriveInfo;
172 #define MAX_IDE_DEVS 2
173 #define MAX_SCSI_DEVS 7
174 #define MAX_DRIVES 32
176 extern QTAILQ_HEAD(drivelist, DriveInfo) drives;
177 extern QTAILQ_HEAD(driveoptlist, DriveOpt) driveopts;
179 extern DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit);
180 extern DriveInfo *drive_get_by_id(const char *id);
181 extern int drive_get_max_bus(BlockInterfaceType type);
182 extern void drive_uninit(DriveInfo *dinfo);
183 extern const char *drive_get_serial(BlockDriverState *bdrv);
185 extern BlockInterfaceErrorAction drive_get_on_error(
186 BlockDriverState *bdrv, int is_read);
188 BlockDriverState *qdev_init_bdrv(DeviceState *dev, BlockInterfaceType type);
190 extern QemuOpts *drive_add(const char *file, const char *fmt, ...);
191 extern DriveInfo *drive_init(QemuOpts *arg, void *machine, int *fatal_error);
193 /* device-hotplug */
195 DriveInfo *add_init_drive(const char *opts);
197 /* pci-hotplug */
198 void pci_device_hot_add(Monitor *mon, const QDict *qdict);
199 void drive_hot_add(Monitor *mon, const QDict *qdict);
200 int pci_device_hot_remove(Monitor *mon, const char *pci_addr);
201 void do_pci_device_hot_remove(Monitor *mon, const QDict *qdict);
203 /* serial ports */
205 #define MAX_SERIAL_PORTS 4
207 extern CharDriverState *serial_hds[MAX_SERIAL_PORTS];
209 /* parallel ports */
211 #define MAX_PARALLEL_PORTS 3
213 extern CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
215 #define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR)
217 #ifdef HAS_AUDIO
218 struct soundhw {
219 const char *name;
220 const char *descr;
221 int enabled;
222 int isa;
223 union {
224 int (*init_isa) (qemu_irq *pic);
225 int (*init_pci) (PCIBus *bus);
226 } init;
229 extern struct soundhw soundhw[];
230 #endif
232 void do_usb_add(Monitor *mon, const QDict *qdict);
233 void do_usb_del(Monitor *mon, const QDict *qdict);
234 void usb_info(Monitor *mon);
236 void rtc_change_mon_event(struct tm *tm);
238 void register_devices(void);
240 #endif