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add soc timer cntpct

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bigmagic
2020-03-19 18:31:55 +08:00
parent 0f57faa591
commit efbb5490d7
2 changed files with 16 additions and 0 deletions
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libcpu/aarch64/cortex-a53/context_gcc.S
+14
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@@ -25,6 +25,20 @@ rt_hw_set_gtimer_val:
MSR CNTP_TVAL_EL0,X0
RET
/*
*get gtimer CNTP_TVAL_EL0 value
*/
.globl rt_hw_get_gtimer_val
rt_hw_get_gtimer_val:
MRS X0,CNTP_TVAL_EL0
RET
.globl rt_hw_get_cntpct_val
rt_hw_get_cntpct_val:
MRS X0, CNTPCT_EL0
RET
/*
*get gtimer frq value
*/