a3553f31e2
221220000 张三 Linux zzy 5.15.146.1-microsoft-standard-WSL2 #1 SMP Thu Jan 11 04:09:03 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux 11:29:06 up 2 days, 1:42, 1 user, load average: 0.80, 0.49, 0.36
24 lines
516 B
C
24 lines
516 B
C
#include <am.h>
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#include <nemu.h>
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#define GET_TIME() ((uint64_t) (uint32_t)inl(RTC_ADDR) | ((uint64_t) (uint32_t)inl(RTC_ADDR + 4) << 32))
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uint64_t __timer_start;
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void __am_timer_init() {
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__timer_start = GET_TIME();
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}
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void __am_timer_uptime(AM_TIMER_UPTIME_T *uptime) {
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(*(volatile AM_TIMER_UPTIME_T *)uptime).us = GET_TIME() - __timer_start;
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}
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void __am_timer_rtc(AM_TIMER_RTC_T *rtc) {
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rtc->second = 0;
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rtc->minute = 0;
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rtc->hour = 0;
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rtc->day = 0;
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rtc->month = 0;
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rtc->year = 1900;
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}
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