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sd-boot: don't export ticks_read() and ticks_freq()

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They only have a single user in time_usec(), hence don't expose them.
This commit is contained in:
Lennart Poettering 2022-02-08 11:25:07 +01:00
parent 476c0e969a
commit efbb86797d
2 changed files with 6 additions and 8 deletions
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12
src/boot/efi/ticks.c
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@ -6,39 +6,39 @@
#include "ticks.h"
#ifdef __x86_64__
UINT64 ticks_read(void) {
static UINT64 ticks_read(void) {
UINT64 a, d;
__asm__ volatile ("rdtsc" : "=a" (a), "=d" (d));
return (d << 32) | a;
}
#elif defined(__i386__)
UINT64 ticks_read(void) {
static UINT64 ticks_read(void) {
UINT64 val;
__asm__ volatile ("rdtsc" : "=A" (val));
return val;
}
#elif defined(__aarch64__)
UINT64 ticks_read(void) {
static UINT64 ticks_read(void) {
UINT64 val;
__asm__ volatile ("mrs %0, cntpct_el0" : "=r" (val));
return val;
}
#else
UINT64 ticks_read(void) {
static UINT64 ticks_read(void) {
UINT64 val = 1;
return val;
}
#endif
#if defined(__aarch64__)
UINT64 ticks_freq(void) {
static UINT64 ticks_freq(void) {
UINT64 freq;
__asm__ volatile ("mrs %0, cntfrq_el0": "=r" (freq));
return freq;
}
#else
/* count TSC ticks during a millisecond delay */
UINT64 ticks_freq(void) {
static UINT64 ticks_freq(void) {
UINT64 ticks_start, ticks_end;
ticks_start = ticks_read();

2
src/boot/efi/ticks.h
View File

@ -4,6 +4,4 @@
#include <efi.h>
#include <efilib.h>
UINT64 ticks_read(void);
UINT64 ticks_freq(void);
UINT64 time_usec(void);