risc-v reduce use 128 bytes irq stack

2019-10-05 13:09:24 +08:00
parent ce13d33255
commit 1e04f5b344
4 changed files with 45 additions and 50 deletions
--- a/arch/risc-v/rv32i/gcc/port_c.c
+++ b/arch/risc-v/rv32i/gcc/port_c.c
@@ -31,3 +31,11 @@ __PORT__ void port_systick_config(uint32_t cycle_per_tick)
    *(volatile uint32_t *)(CLINT_CTRL_ADDR + CLINT_MTIMECMP + 4) = 0xFFFFFFFF & (mtimecmp >> 32);
    *(volatile uint32_t *)(CLINT_CTRL_ADDR + CLINT_MTIMECMP + 0) = 0xFFFFFFFF & (mtimecmp >>  0);
 }
+
+
+
+int k_task_irq_switch_flag = 0;
+__PORT__ void port_irq_context_switch()
+{
+    k_task_irq_switch_flag = 1;
+}