3rd-party/linux-kernel-module-cheat
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aarch64 timer: furthen the attempt

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Ciro Santilli 六四事件 法轮功
2019-06-07 00:00:02 +00:00
parent 8dacd71fd0
commit 1a739e7866
4 changed files with 391 additions and 1 deletions
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17
baremetal/arch/aarch64/timer.c
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@@ -2,6 +2,7 @@
#include <inttypes.h>
#include <lkmc.h>
#include <lkmc/gicv3.h>
#define CNTV_CTL_ENABLE (1 << 0)
#define CNTV_CTL_IMASK (1 << 1)
@@ -20,6 +21,10 @@ void cntv_ctl_el0_enable(void) {
lkmc_sysreg_cntv_ctl_el0_write(lkmc_sysreg_cntv_ctl_el0_read() | CNTV_CTL_ENABLE);
}
void lkmc_vector_trap_handler(LkmcVectorExceptionFrame *exception __attribute__((unused))) {
}
int main(void) {
/* Initial state. */
printf("cntv_ctl_el0 0x%" PRIx32 "\n", lkmc_sysreg_cntv_ctl_el0_read());
@@ -31,6 +36,18 @@ int main(void) {
printf("cntvct_el0 0x%" PRIx64 "\n", lkmc_sysreg_cntvct_el0_read());
printf("cntvct_el0 0x%" PRIx64 "\n", lkmc_sysreg_cntvct_el0_read());
/*gic_v3_initialize();*/
{
/*uint64_t ticks, current_cnt;*/
/*uint32_t cntfrq;*/
/*cntfrq = raw_read_cntfrq_el0();*/
/*ticks = cntfrq;*/
/*current_cnt = raw_read_cntvct_el0();*/
/*raw_write_cntv_cval_el0(current_cnt + ticks);*/
/*enable_cntv();*/
/*enable_irq();*/
}
#if 0
/* TODO crashes gem5. */
puts("cntfrq_el0 = 1");