Minix/minix
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

libsys: refactor frclock api

Browse Source 
Make the frclock functions similar to the tsc utility functions. This
way, we can call frclock functions from the framebuffer driver which
will use frclock on ARM and tsc on X86.

Also, frclock_64_to_micros computed seconds, not microseconds

Change-Id: I6718ae0fb7db050794f6f032205923e1a32dc1ac
This commit is contained in:
Thomas Veerman
2013-02-21 17:02:42 +01:00
parent 4d09b8408a
commit 2b793e4945
5 changed files with 117 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
include/minix/sysutil.h
View File

@@ -62,11 +62,12 @@ 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__)
u32_t read_frclock(void);
void read_frclock(u32_t *frclk);
u32_t delta_frclock(u32_t base, u32_t cur);
u64_t read_frclock_64(void);
u64_t delta_frclock_64(u64_t base, u64_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);