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risc-v add irq stack

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This commit is contained in:
acevest
2019-10-06 16:52:48 +08:00
parent f666ae3131
commit 93ae1c96ca
4 changed files with 25 additions and 1 deletions
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10
arch/risc-v/common/tos_cpu.c
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@@ -1,6 +1,14 @@
#include <tos.h>
#include <riscv_port.h>
#ifndef TOS_CFG_IRQ_STK_SIZE
#warning "did not specify the irq stack size, use default value"
#define TOS_CFG_IRQ_STK_SIZE 128
#endif
k_stack_t k_irq_stk[TOS_CFG_IRQ_STK_SIZE];
const k_stack_t *k_irq_stk_top = (k_stack_t *) ((char *)(k_irq_stk + TOS_CFG_IRQ_STK_SIZE) - sizeof(cpu_data_t));
__KERNEL__ void cpu_systick_init(k_cycle_t cycle_per_tick)
{
port_systick_priority_set(TOS_CFG_CPU_SYSTICK_PRIO);
@@ -9,6 +17,7 @@ __KERNEL__ void cpu_systick_init(k_cycle_t cycle_per_tick)
__KERNEL__ void cpu_init(void) {
k_cpu_cycle_per_tick = TOS_CFG_CPU_CLOCK / k_cpu_tick_per_second;
cpu_systick_init(k_cpu_cycle_per_tick);
port_cpu_init();
@@ -173,4 +182,3 @@ __API__ uint32_t tos_cpu_clz(uint32_t val)
return (nbr_lead_zeros);
}