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risc-v support all irq handler

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This commit is contained in:
acevest
2019-10-16 18:10:03 +08:00
parent 7983b07386
commit f41e287c2a
15 changed files with 126 additions and 37 deletions
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24
arch/risc-v/common/tos_cpu.c
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@@ -126,10 +126,8 @@ __KERNEL__ k_stack_t *cpu_task_stk_init(void *entry,
regs = (cpu_context_t*) sp;
for(int i=1; i<(sizeof(cpu_context_t)/sizeof(cpu_data_t)); i+=2) {
// every task begin with "Tencent"
*(sp + i - 1) = 0x0054656E;
*(sp + i - 0) = 0x63656E74;
for(int i=1; i<(sizeof(cpu_context_t)/sizeof(cpu_data_t)); i++) {
*(sp + i) = 0xACEADD00 | ((i / 10) << 4) | (i % 10);
}
cpu_data_t gp = 0;
@@ -137,7 +135,7 @@ __KERNEL__ k_stack_t *cpu_task_stk_init(void *entry,
regs->gp = (cpu_data_t)gp; // global pointer
regs->a0 = (cpu_data_t)arg; // argument
regs->ra = (cpu_data_t)0xACE00ACE; // return address
regs->ra = (cpu_data_t)exit; // return address
regs->mstatus = (cpu_data_t)0x00001880; // return to machine mode and enable interrupt
regs->mepc = (cpu_data_t)entry; // task entry
@@ -151,22 +149,16 @@ void cpu_trap_entry(cpu_data_t cause, cpu_context_t *regs)
}
}
void SysTick_IRQHandler() {
port_systick_config((uint32_t)k_cpu_cycle_per_tick);
if (tos_knl_is_running()) {
tos_knl_irq_enter();
tos_tick_handler();
tos_knl_irq_leave();
}
}
void cpu_irq_entry(cpu_data_t irq)
{
if (irq != 7) {
void (*irq_handler)();
irq_handler = *((void (**)())(port_get_irq_vector_table() + irq*sizeof(cpu_addr_t)));
if((*irq_handler) == 0) {
return;
}
SysTick_IRQHandler();
(*irq_handler)();
}
__API__ uint32_t tos_cpu_clz(uint32_t val)