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Merge pull request #3498 from bigmagic123/add_soc_cntp 

add soc timer cntpct
This commit is contained in:
Bernard Xiong 2020-04-07 15:32:44 +08:00 committed by GitHub
parent fc728ad721 efbb5490d7
commit 1210a611de
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2 changed files with 16 additions and 0 deletions
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2
bsp/raspberry-pi/raspi3-64/driver/board.c
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@ -25,6 +25,8 @@ static rt_uint64_t timerStep;
int rt_hw_get_gtimer_frq(void);
void rt_hw_set_gtimer_val(rt_uint64_t value);
int rt_hw_get_gtimer_val(void);
int rt_hw_get_cntpct_val(void);
void rt_hw_gtimer_enable(void);
void core0_timer_enable_interrupt_controller()

14
libcpu/aarch64/cortex-a53/context_gcc.S
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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
*/