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drivers: timer: get mtime cmp reg by reading mhartid

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It is not guaranteed that a multi-core RISC-V hart numbering scheme
will match Zephyr's sequential cpu numbering scheme. Read the hartid and
use that value in calculation to get mtime_cmp reg, instead of the
current_cpu id.

Signed-off-by: Conor Paxton <conor.paxton@microchip.com>
This commit is contained in:
Conor Paxton 2023-01-16 14:20:41 +00:00 • committed by Lauren Murphy
commit 6b641c3483
1 changed files with 1 additions and 1 deletions
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drivers/timer/riscv_machine_timer.c
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@ -74,7 +74,7 @@ const int32_t z_sys_timer_irq_for_test = TIMER_IRQN;
static uint64_t get_hart_mtimecmp(void) static uint64_t get_hart_mtimecmp(void)
{ {
return MTIMECMP_REG + (_current_cpu->id * 8); return MTIMECMP_REG + (arch_proc_id() * 8);
} }
static void set_mtimecmp(uint64_t time) static void set_mtimecmp(uint64_t time)