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organize risc-v code for spike and bumblebee

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This commit is contained in:
acevest
2019-09-25 21:53:27 +08:00
parent 379427f879
commit b1b2d1eabc
15 changed files with 129 additions and 30 deletions
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6
arch/risc-v/common/tos_cpu.c
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@@ -1,6 +1,6 @@
#include <tos.h>
#include <riscv_encoding.h>
#include <riscv_port.h>
__KERNEL__ void cpu_systick_init(k_cycle_t cycle_per_tick)
{
@@ -11,6 +11,8 @@ __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);
riscv_cpu_init();
}
__API__ cpu_cpsr_t tos_cpu_cpsr_save(void)
@@ -99,7 +101,7 @@ __KERNEL__ k_stack_t *cpu_task_stk_init(void *entry,
#undef _V
}
cpu_data_t gp;
cpu_data_t gp = regs->gp;
asm("mv %0, gp"::"r"(gp));
regs->gp = (cpu_data_t)gp; // gp: global pointer