zzy/NJU_PA
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

> compile NEMU

Browse Source 
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
 17:32:36 up 2 days,  7:46,  1 user,  load average: 0.38, 0.45, 0.39
This commit is contained in:
tracer-ics2023
2024-09-14 17:32:37 +08:00
committed by zzy
parent a77a342fb7
commit 775d157f80
1 changed files with 4 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
abstract-machine/am/src/platform/nemu/ioe/timer.c
View File

@ -17,7 +17,10 @@ void __am_timer_init() {
}
void __am_timer_uptime(AM_TIMER_UPTIME_T *uptime) {
(*(volatile AM_TIMER_UPTIME_T *)uptime).us = GET_TIME() - __timer_start;
volatile uint32_t lower_timer = inl(RTC_ADDR);
volatile uint32_t high_timer = inl(RTC_ADDR + 4);
volatile uint64_t timer = lower_timer + (((uint64_t) high_timer) << 32);
(*(volatile AM_TIMER_UPTIME_T *)uptime).us = timer - __timer_start;
PNT_BITS(uptime->us);
}