6f3a136e47
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@6865 a95241bf-73f2-0310-859d-f6bbb57e9c96
574 lines
16 KiB
C
574 lines
16 KiB
C
/* Kernel specific structures and functions
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**
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** Distributed under the terms of the OpenBeOS License.
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*/
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#ifndef _OS_H
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#define _OS_H
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#include <SupportDefs.h>
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#include <StorageDefs.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*-------------------------------------------------------------*/
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/* System constants */
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#define B_OS_NAME_LENGTH 32
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#define B_PAGE_SIZE 4096
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#define B_INFINITE_TIMEOUT (9223372036854775807LL)
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enum {
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B_TIMEOUT = 8, /* relative timeout */
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B_RELATIVE_TIMEOUT = 8, /* fails after a relative timeout with B_WOULD_BLOCK */
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B_ABSOLUTE_TIMEOUT = 16, /* fails after an absolute timeout with B_WOULD BLOCK */
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};
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/*-------------------------------------------------------------*/
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/* Types */
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typedef int32 area_id;
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typedef int32 port_id;
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typedef int32 sem_id;
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typedef int32 team_id;
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typedef int32 thread_id;
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/*-------------------------------------------------------------*/
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/* Areas */
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typedef struct area_info {
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area_id area;
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char name[B_OS_NAME_LENGTH];
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size_t size;
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uint32 lock;
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uint32 protection;
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team_id team;
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uint32 ram_size;
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uint32 copy_count;
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uint32 in_count;
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uint32 out_count;
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void *address;
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} area_info;
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/* area locking */
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#define B_NO_LOCK 0
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#define B_LAZY_LOCK 1
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#define B_FULL_LOCK 2
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#define B_CONTIGUOUS 3
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#define B_LOMEM 4
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/* address spec for create_area(), and clone_area() */
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#define B_ANY_ADDRESS 0
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#define B_EXACT_ADDRESS 1
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#define B_BASE_ADDRESS 2
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#define B_CLONE_ADDRESS 3
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#define B_ANY_KERNEL_ADDRESS 4
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/* area protection */
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#define B_READ_AREA 1
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#define B_WRITE_AREA 2
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extern area_id create_area(const char *name, void **start_addr, uint32 addr_spec,
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size_t size, uint32 lock, uint32 protection);
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extern area_id clone_area(const char *name, void **dest_addr, uint32 addr_spec,
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uint32 protection, area_id source);
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extern area_id find_area(const char *name);
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extern area_id area_for(void *address);
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extern status_t delete_area(area_id id);
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extern status_t resize_area(area_id id, size_t new_size);
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extern status_t set_area_protection(area_id id, uint32 new_protection);
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/* system private, use macros instead */
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extern status_t _get_area_info(area_id id, area_info *areaInfo, size_t size);
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extern status_t _get_next_area_info(team_id team, int32 *cookie, area_info *areaInfo, size_t size);
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#define get_area_info(id, ainfo) \
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_get_area_info((id), (ainfo),sizeof(*(ainfo)))
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#define get_next_area_info(team, cookie, ainfo) \
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_get_next_area_info((team), (cookie), (ainfo), sizeof(*(ainfo)))
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/*-------------------------------------------------------------*/
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/* Ports */
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typedef struct port_info {
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port_id port;
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team_id team;
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char name[B_OS_NAME_LENGTH];
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int32 capacity; /* queue depth */
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int32 queue_count; /* # msgs waiting to be read */
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int32 total_count; /* total # msgs read so far */
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} port_info;
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extern port_id create_port(int32 capacity, const char *name);
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extern port_id find_port(const char *name);
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extern status_t read_port(port_id port, int32 *code, void *buffer, size_t bufferSize);
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extern status_t read_port_etc(port_id port, int32 *code, void *buffer, size_t bufferSize,
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uint32 flags, bigtime_t timeout);
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extern status_t write_port(port_id port, int32 code, const void *buffer, size_t bufferSize);
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extern status_t write_port_etc(port_id port, int32 code, const void *buffer, size_t bufferSize,
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uint32 flags, bigtime_t timeout);
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extern status_t close_port(port_id port);
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extern status_t delete_port(port_id port);
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extern ssize_t port_buffer_size(port_id port);
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extern ssize_t port_buffer_size_etc(port_id port, uint32 flags, bigtime_t timeout);
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extern ssize_t port_count(port_id port);
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extern status_t set_port_owner(port_id port, team_id team);
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/* system private, use the macros instead */
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extern status_t _get_port_info(port_id port, port_info *portInfo, size_t portInfoSize);
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extern status_t _get_next_port_info(team_id team, int32 *cookie, port_info *portInfo,
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size_t portInfoSize);
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#define get_port_info(port, info) \
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_get_port_info((port), (info), sizeof(*(info)))
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#define get_next_port_info(team, cookie, info) \
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_get_next_port_info((team), (cookie), (info), sizeof(*(info)))
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/*-------------------------------------------------------------*/
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/* Semaphores */
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typedef struct sem_info {
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sem_id sem;
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team_id team;
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char name[B_OS_NAME_LENGTH];
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int32 count;
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thread_id latest_holder;
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} sem_info;
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/* semaphore flags */
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enum {
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B_CAN_INTERRUPT = 1, /* acquisition of the semaphore can be interrupted (system use only) */
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B_DO_NOT_RESCHEDULE = 2, /* thread is not rescheduled after release_sem_etc() */
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B_CHECK_PERMISSION = 4, /* ownership will be checked (system use only) */
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};
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extern sem_id create_sem(int32 count, const char *name);
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extern status_t delete_sem(sem_id id);
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extern status_t delete_sem_etc(sem_id id, status_t returnCode, bool interrupted); /* ToDo: not public BeOS */
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extern status_t acquire_sem(sem_id id);
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extern status_t acquire_sem_etc(sem_id id, int32 count, uint32 flags, bigtime_t timeout);
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extern status_t release_sem(sem_id id);
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extern status_t release_sem_etc(sem_id id, int32 count, uint32 flags);
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extern status_t get_sem_count(sem_id id, int32 *threadCount);
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extern status_t set_sem_owner(sem_id id, team_id team);
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/* system private, use the macros instead */
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extern status_t _get_sem_info(sem_id id, struct sem_info *info, size_t infoSize);
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extern status_t _get_next_sem_info(team_id team, int32 *cookie, struct sem_info *info,
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size_t infoSize);
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#define get_sem_info(sem, info) \
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_get_sem_info((sem), (info), sizeof(*(info)))
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#define get_next_sem_info(team, cookie, info) \
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_get_next_sem_info((team), (cookie), (info), sizeof(*(info)))
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/*-------------------------------------------------------------*/
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/* Teams */
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typedef struct {
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team_id team;
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int32 thread_count;
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int32 image_count;
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int32 area_count;
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thread_id debugger_nub_thread;
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port_id debugger_nub_port;
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int32 argc;
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char args[64];
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uid_t uid;
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gid_t gid;
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} team_info;
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#define B_CURRENT_TEAM 0
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#define B_SYSTEM_TEAM 2
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extern status_t kill_team(team_id team);
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/* see also: send_signal() */
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/* system private, use macros instead */
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extern status_t _get_team_info(team_id id, team_info *info, size_t size);
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extern status_t _get_next_team_info(int32 *cookie, team_info *info, size_t size);
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#define get_team_info(id, info) \
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_get_team_info((id), (info), sizeof(*(info)))
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#define get_next_team_info(cookie, info) \
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_get_next_team_info((cookie), (info), sizeof(*(info)))
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/* team usage info */
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typedef struct {
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bigtime_t user_time;
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bigtime_t kernel_time;
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} team_usage_info;
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/* system private, use macros instead */
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extern status_t _get_team_usage_info(team_id team, int32 who, team_usage_info *tui, size_t size);
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#define get_team_usage_info(team, who, info) \
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_get_team_usage_info((team), (who), (info), sizeof(*(info)))
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/*-------------------------------------------------------------*/
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/* Threads */
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typedef enum {
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B_THREAD_RUNNING = 1,
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B_THREAD_READY,
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B_THREAD_RECEIVING,
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B_THREAD_ASLEEP,
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B_THREAD_SUSPENDED,
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B_THREAD_WAITING
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} thread_state;
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typedef struct {
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thread_id thread;
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team_id team;
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char name[B_OS_NAME_LENGTH];
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thread_state state;
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int32 priority;
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sem_id sem;
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bigtime_t user_time;
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bigtime_t kernel_time;
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void *stack_base;
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void *stack_end;
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} thread_info;
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#define B_IDLE_PRIORITY 0
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#define B_LOWEST_ACTIVE_PRIORITY 1
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#define B_LOW_PRIORITY 5
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#define B_NORMAL_PRIORITY 10
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#define B_DISPLAY_PRIORITY 15
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#define B_URGENT_DISPLAY_PRIORITY 20
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#define B_REAL_TIME_DISPLAY_PRIORITY 100
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#define B_URGENT_PRIORITY 110
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#define B_REAL_TIME_PRIORITY 120
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#define B_FIRST_REAL_TIME_PRIORITY B_REAL_TIME_DISPLAY_PRIORITY
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#define B_MIN_PRIORITY B_IDLE_PRIORITY
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#define B_MAX_PRIORITY B_REAL_TIME_PRIORITY
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#define B_SYSTEM_TIMEBASE 0
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typedef int32 (*thread_func) (void *);
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#define thread_entry thread_func /* thread_entry is for backward compatibility only! Use thread_func */
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extern thread_id spawn_thread(thread_func, const char *name, int32 priority, void *data);
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extern status_t kill_thread(thread_id thread);
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extern status_t resume_thread(thread_id thread);
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extern status_t suspend_thread(thread_id thread);
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extern status_t rename_thread(thread_id thread, const char *newName);
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extern status_t set_thread_priority (thread_id thread, int32 newPriority);
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extern void exit_thread(status_t status);
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extern status_t wait_for_thread (thread_id thread, status_t *threadReturnValue);
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extern status_t on_exit_thread(void (*callback)(void *), void *data);
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#if __INTEL__ && !_KERNEL_MODE && !_NO_INLINE_ASM
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static inline thread_id
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find_thread(const char *name) {
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extern thread_id _kfind_thread_(const char *name);
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if (!name) {
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thread_id thread;
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__asm__ __volatile__ (
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"movl %%fs:4, %%eax \n\t"
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: "=a"(thread) );
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return thread;
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}
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return _kfind_thread_(name);
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}
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#else
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extern thread_id find_thread(const char *name);
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#endif
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extern status_t send_data(thread_id thread, int32 code, const void *buffer, size_t buffer_size);
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extern status_t receive_data(thread_id *sender, void *buffer, size_t buffer_size);
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extern bool has_data(thread_id thread);
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extern status_t snooze(bigtime_t amount);
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extern status_t snooze_until(bigtime_t time, int timeBase);
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/* system private, use macros instead */
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extern status_t _get_thread_info(thread_id id, thread_info *info, size_t size);
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extern status_t _get_next_thread_info(team_id team, int32 *cookie, thread_info *info, size_t size);
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#define get_thread_info(id, info) \
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_get_thread_info((id), (info), sizeof(*(info)))
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#define get_next_thread_info(team, cookie, info) \
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_get_next_thread_info((team), (cookie), (info), sizeof(*(info)))
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/*-------------------------------------------------------------*/
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/* Time */
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extern uint32 real_time_clock(void);
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extern void set_real_time_clock(uint32 secs_since_jan1_1970);
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extern bigtime_t real_time_clock_usecs(void);
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extern status_t set_timezone(char *timezone);
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extern bigtime_t system_time(void); /* time since booting in microseconds */
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/*-------------------------------------------------------------*/
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/* Alarm */
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enum {
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B_ONE_SHOT_ABSOLUTE_ALARM = 1,
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B_ONE_SHOT_RELATIVE_ALARM,
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B_PERIODIC_ALARM /* "when" specifies the period */
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};
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extern bigtime_t set_alarm(bigtime_t when, uint32 flags);
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/*-------------------------------------------------------------*/
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/* Debugger */
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extern void debugger(const char *message);
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/*
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calling this function with a non-zero value will cause your thread
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to receive signals for any exceptional conditions that occur (i.e.
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you'll get SIGSEGV for data access exceptions, SIGFPE for floating
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point errors, SIGILL for illegal instructions, etc).
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to re-enable the default debugger pass a zero.
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*/
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extern const int disable_debugger(int state);
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/*-------------------------------------------------------------*/
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/* System information */
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#if __INTEL__
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# define B_MAX_CPU_COUNT 8
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#elif __POWERPC__
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# define B_MAX_CPU_COUNT 8
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#endif
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#define OBOS_CPU_TYPES
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typedef enum cpu_types {
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// ToDo: add latest models
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/* Motorola/IBM */
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B_CPU_PPC_601 = 1,
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B_CPU_PPC_603 = 2,
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B_CPU_PPC_603e = 3,
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B_CPU_PPC_604 = 4,
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B_CPU_PPC_604e = 5,
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B_CPU_PPC_750 = 6,
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B_CPU_PPC_686 = 13,
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/* Intel */
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B_CPU_INTEL_X86 = 0x1000,
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B_CPU_INTEL_PENTIUM = 0x1051,
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B_CPU_INTEL_PENTIUM75,
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B_CPU_INTEL_PENTIUM_486_OVERDRIVE,
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B_CPU_INTEL_PENTIUM_MMX,
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B_CPU_INTEL_PENTIUM_MMX_MODEL_4 = B_CPU_INTEL_PENTIUM_MMX,
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B_CPU_INTEL_PENTIUM_MMX_MODEL_8 = 0x1058,
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B_CPU_INTEL_PENTIUM75_486_OVERDRIVE,
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B_CPU_INTEL_PENTIUM_PRO = 0x1061,
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B_CPU_INTEL_PENTIUM_II = 0x1063,
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B_CPU_INTEL_PENTIUM_II_MODEL_3 = 0x1063,
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B_CPU_INTEL_PENTIUM_II_MODEL_5 = 0x1065,
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B_CPU_INTEL_CELERON = 0x1066,
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B_CPU_INTEL_PENTIUM_III = 0x1067,
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B_CPU_INTEL_PENTIUM_III_MODEL_8 = 0x1068,
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#ifdef OBOS_CPU_TYPES
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B_CPU_INTEL_PENTIUM_III_MODEL_11 = 0x106b,
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B_CPU_INTEL_PENTIUM_IV = 0x10f0,
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B_CPU_INTEL_PENTIUM_IV_MODEL1,
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B_CPU_INTEL_PENTIUM_IV_MODEL2,
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B_CPU_INTEL_PENTIUM_IV_XEON = 0x0F27,
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#endif
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/* AMD */
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B_CPU_AMD_X86 = 0x1100,
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B_CPU_AMD_K5_MODEL0 = 0x1150,
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B_CPU_AMD_K5_MODEL1,
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B_CPU_AMD_K5_MODEL2,
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B_CPU_AMD_K5_MODEL3,
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B_CPU_AMD_K6_MODEL6 = 0x1156,
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B_CPU_AMD_K6_MODEL7 = 0x1157,
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B_CPU_AMD_K6_MODEL8 = 0x1158,
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B_CPU_AMD_K6_2 = 0x1158,
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B_CPU_AMD_K6_MODEL9 = 0x1159,
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B_CPU_AMD_K6_III = 0x1159,
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#ifdef OBOS_CPU_TYPES
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B_CPU_AMD_K6_III_MODEL2 = 0x115D,
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#endif
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B_CPU_AMD_ATHLON_MODEL1 = 0x1161,
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#ifdef OBOS_CPU_TYPES
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B_CPU_AMD_ATHLON_MODEL2 = 0x1162,
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B_CPU_AMD_DURON = 0x1163,
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B_CPU_AMD_ATHLON_THUNDERBIRD = 0x1164,
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B_CPU_AMD_ATHLON_XP = 0x1166,
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B_CPU_AMD_ATHLON_XP_MODEL2,
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B_CPU_AMD_ATHLON_XP_MODEL3,
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B_CPU_AMD_ATHLON_XP_MODEL_BARTON = 0x116A,
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#endif
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/* VIA */
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B_CPU_CYRIX_X86 = 0x1200,
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B_CPU_CYRIX_GXm = 0x1254,
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B_CPU_CYRIX_6x86MX = 0x1260,
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/* others */
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B_CPU_IDT_X86 = 0x1300,
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B_CPU_IDT_WINCHIP_C6 = 0x1354,
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B_CPU_IDT_WINCHIP_2 = 0x1358,
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B_CPU_RISE_X86 = 0x1400,
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B_CPU_RISE_mP6 = 0x1450,
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#ifdef OBOS_CPU_TYPES
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B_CPU_NATIONAL_X86 = 0x1500,
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B_CPU_NATIONAL_GEODE_GX1 = 0x1554,
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#endif
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/* For compatibility */
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B_CPU_AMD_29K = 14,
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B_CPU_X86,
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B_CPU_MC6502,
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B_CPU_Z80,
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B_CPU_ALPHA,
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B_CPU_MIPS,
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B_CPU_HPPA,
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B_CPU_M68K,
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B_CPU_ARM,
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B_CPU_SH,
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B_CPU_SPARC,
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} cpu_type;
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#define B_CPU_X86_VENDOR_MASK 0x1F00
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#ifdef __INTEL__
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typedef union {
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struct {
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uint32 max_eax;
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char vendorid[12];
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} eax_0;
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struct {
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uint32 stepping : 4;
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uint32 model : 4;
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uint32 family : 4;
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uint32 type : 2;
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uint32 reserved_0 : 18;
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uint32 reserved_1;
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uint32 features;
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uint32 reserved_2;
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} eax_1;
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|
|
|
struct {
|
|
uint8 call_num;
|
|
uint8 cache_descriptors[15];
|
|
} eax_2;
|
|
|
|
struct {
|
|
uint32 reserved[2];
|
|
uint32 serial_number_high;
|
|
uint32 serial_number_low;
|
|
} eax_3;
|
|
|
|
char as_chars[16];
|
|
|
|
struct {
|
|
uint32 eax;
|
|
uint32 ebx;
|
|
uint32 edx;
|
|
uint32 ecx;
|
|
} regs;
|
|
} cpuid_info;
|
|
|
|
extern status_t get_cpuid(cpuid_info* info, uint32 eax_register, uint32 cpu_num);
|
|
#endif
|
|
|
|
|
|
typedef enum platform_types {
|
|
B_BEBOX_PLATFORM = 0,
|
|
B_MAC_PLATFORM,
|
|
B_AT_CLONE_PLATFORM,
|
|
B_ENIAC_PLATFORM,
|
|
B_APPLE_II_PLATFORM,
|
|
B_CRAY_PLATFORM,
|
|
B_LISA_PLATFORM,
|
|
B_TI_994A_PLATFORM,
|
|
B_TIMEX_SINCLAIR_PLATFORM,
|
|
B_ORAC_1_PLATFORM,
|
|
B_HAL_PLATFORM,
|
|
B_BESM_6_PLATFORM,
|
|
B_MK_61_PLATFORM,
|
|
B_NINTENDO_64_PLATFORM
|
|
} platform_type;
|
|
|
|
typedef struct {
|
|
bigtime_t active_time; /* usec of doing useful work since boot */
|
|
} cpu_info;
|
|
|
|
|
|
typedef int32 machine_id[2]; /* unique machine ID */
|
|
|
|
typedef struct {
|
|
machine_id id; /* unique machine ID */
|
|
bigtime_t boot_time; /* time of boot (usecs since 1/1/1970) */
|
|
|
|
int32 cpu_count; /* number of cpus */
|
|
enum cpu_types cpu_type; /* type of cpu */
|
|
int32 cpu_revision; /* revision # of cpu */
|
|
cpu_info cpu_infos[B_MAX_CPU_COUNT]; /* info about individual cpus */
|
|
int64 cpu_clock_speed; /* processor clock speed (Hz) */
|
|
int64 bus_clock_speed; /* bus clock speed (Hz) */
|
|
enum platform_types platform_type; /* type of machine we're on */
|
|
|
|
int32 max_pages; /* total # physical pages */
|
|
int32 used_pages; /* # physical pages in use */
|
|
int32 page_faults; /* # of page faults */
|
|
int32 max_sems;
|
|
int32 used_sems;
|
|
int32 max_ports;
|
|
int32 used_ports;
|
|
int32 max_threads;
|
|
int32 used_threads;
|
|
int32 max_teams;
|
|
int32 used_teams;
|
|
|
|
// ToDo: B_FILE_NAME_LENGTH is currently not defined at this point
|
|
// char kernel_name[B_FILE_NAME_LENGTH]; /* name of kernel */
|
|
char kernel_name[256];
|
|
char kernel_build_date[B_OS_NAME_LENGTH]; /* date kernel built */
|
|
char kernel_build_time[B_OS_NAME_LENGTH]; /* time kernel built */
|
|
int64 kernel_version; /* version of this kernel */
|
|
|
|
bigtime_t _busy_wait_time; /* reserved for Be */
|
|
int32 pad[4]; /* just in case... */
|
|
} system_info;
|
|
|
|
/* system private, use macro instead */
|
|
extern status_t _get_system_info (system_info *returned_info, size_t size);
|
|
|
|
#define get_system_info(info) \
|
|
_get_system_info((info), sizeof(*(info)))
|
|
|
|
extern int32 is_computer_on(void);
|
|
extern double is_computer_on_fire(void);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _OS_H */
|