让kernel 停止启动

标签：nop   asm   TE   link   setup   ==   pre   ola   com   

--- a/init/main.c
+++ b/init/main.c
@@ -504,6 +504,8 @@ static void __init mm_init(void)
mm_init_dur = read_fast_counter() - mm_init_dur;
}

+volatile int done=1;

• asmlinkage __visible void __init start_kernel(void)
  {
  char *command_line;
  @@ -512,6 +514,11 @@ asmlinkage __visible void __init start_kernel(void)
  u32 setup_arch_time_pmu;
  u32 setup_arch_time_32k;

+while (done==1)
+{

• asm("NOP");

  +}

• start_time_pmu = ARM_CCNT_Read();
  
  start_time_pmu = ARM_CCNT_Read();

让kernel 停止启动

标签：nop   asm   TE   link   setup   ==   pre   ola   com   

原文地址：https://www.cnblogs.com/widic/p/9239258.html