105 lines
3.3 KiB
C
105 lines
3.3 KiB
C
#ifndef _MINIX_SYSUTIL_H
|
|
#define _MINIX_SYSUTIL_H 1
|
|
|
|
#include <minix/ipc.h>
|
|
#include <sys/cdefs.h>
|
|
|
|
/* Extra system library definitions to support device drivers and servers.
|
|
*
|
|
* Created:
|
|
* Mar 15, 2004 by Jorrit N. Herder
|
|
*
|
|
* Changes:
|
|
* May 31, 2005: added printf, kputc (relocated from syslib)
|
|
* May 31, 2005: added getuptime
|
|
* Mar 18, 2005: added tickdelay
|
|
* Oct 01, 2004: added env_parse, env_prefix, env_panic
|
|
* Jul 13, 2004: added fkey_ctl
|
|
* Apr 28, 2004: added report, panic
|
|
* Mar 31, 2004: setup like other libraries, such as syslib
|
|
*/
|
|
|
|
/*==========================================================================*
|
|
* Miscellaneous helper functions.
|
|
*==========================================================================*/
|
|
|
|
/* Environment parsing return values. */
|
|
#define EP_BUF_SIZE 128 /* local buffer for env value */
|
|
#define EP_UNSET 0 /* variable not set */
|
|
#define EP_OFF 1 /* var = off */
|
|
#define EP_ON 2 /* var = on (or field left blank) */
|
|
#define EP_SET 3 /* var = 1:2:3 (nonblank field) */
|
|
#define EP_EGETKENV 4 /* sys_getkenv() failed ... */
|
|
|
|
extern int env_argc;
|
|
extern char **env_argv;
|
|
|
|
void env_setargs(int argc, char *argv[]);
|
|
int env_get_param(const char *key, char *value, int max_size);
|
|
int env_prefix(char *env, char *prefix);
|
|
void env_panic(const char *key);
|
|
int env_parse(const char *env, const char *fmt, int field,
|
|
long *param, long min, long max);
|
|
|
|
#define fkey_map(fkeys, sfkeys) fkey_ctl(FKEY_MAP, (fkeys), (sfkeys))
|
|
#define fkey_unmap(fkeys, sfkeys) fkey_ctl(FKEY_UNMAP, (fkeys), (sfkeys))
|
|
#define fkey_events(fkeys, sfkeys) fkey_ctl(FKEY_EVENTS, (fkeys), (sfkeys))
|
|
int fkey_ctl(int req, int *fkeys, int *sfkeys);
|
|
|
|
int printf(const char *fmt, ...);
|
|
void kputc(int c);
|
|
__dead void panic(const char *fmt, ...)
|
|
__attribute__((__format__(__printf__,1,2)));
|
|
void panic_hook(void);
|
|
void __panic_hook(void);
|
|
int getuptime(clock_t *ticks, clock_t *realtime, time_t *boottime);
|
|
int getticks(clock_t *ticks);
|
|
int tickdelay(clock_t ticks);
|
|
int tsc_calibrate(void);
|
|
u32_t sys_hz(void);
|
|
double getidle(void);
|
|
void util_stacktrace(void);
|
|
int micro_delay(u32_t micros);
|
|
u32_t tsc_64_to_micros(u64_t tsc);
|
|
u32_t tsc_to_micros(u32_t low, u32_t high);
|
|
u32_t tsc_get_khz(void);
|
|
u32_t micros_to_ticks(u32_t micros);
|
|
#if defined(__arm__)
|
|
void read_frclock(u32_t *frclk);
|
|
u32_t delta_frclock(u32_t base, u32_t cur);
|
|
#endif
|
|
void read_frclock_64(u64_t *frclk);
|
|
u64_t delta_frclock_64(u64_t base, u64_t cur);
|
|
u32_t frclock_64_to_micros(u64_t tsc);
|
|
void ser_putc(char c);
|
|
void get_randomness(struct k_randomness *, int);
|
|
u32_t sqrt_approx(u32_t);
|
|
|
|
int stime(time_t *_top);
|
|
|
|
#define asynsend(ep, msg) asynsend3(ep, msg, 0)
|
|
int asynsend3(endpoint_t ep, message *msg, int flags);
|
|
int asyn_geterror(endpoint_t *dst, message *msg, int *err);
|
|
|
|
#define ASSERT(c) if(!(c)) { panic("%s:%d: assert %s failed", __FILE__, __LINE__, #c); }
|
|
|
|
/* timing library */
|
|
#define TIMING_CATEGORIES 20
|
|
|
|
#define TIMING_POINTS 20 /* timing resolution */
|
|
#define TIMING_CATEGORIES 20
|
|
#define TIMING_NAME 10
|
|
|
|
struct util_timingdata {
|
|
char names[TIMING_NAME];
|
|
unsigned long lock_timings[TIMING_POINTS];
|
|
unsigned long lock_timings_range[2];
|
|
unsigned long binsize, resets, misses, measurements;
|
|
unsigned long starttimes[2]; /* nonzero if running */
|
|
};
|
|
|
|
typedef struct util_timingdata util_timingdata_t;
|
|
|
|
#endif /* _MINIX_SYSUTIL_H */
|
|
|