// Common CPU setup code.
static void
mpmain(void)
{
cprintf("cpu%d: starting\n", cpu->id);
idtinit(); // load idt register
xchg(&cpu->started, 1); // tell startothers() we're up
scheduler(); // start running processes
}
// Common CPU setup code.
static void
mpmain(void)
{
cprintf("cpu%d: starting %d\n", cpuid(), cpuid());
idtinit(); // load idt register
xchg(&(mycpu()->started), 1); // tell startothers() we're up
scheduler(); // start running processes
}
// Common CPU setup code.
static void
mpmain(void)
{
cprintf("cpu%d: starting\n", cpu->id);
idtinit(); // load idt register
xchg(&cpu->started, 1); // tell startothers() we're up . change the state of other cpu
scheduler(); // start running processes 这个可能就是最开始多核开始执行的代码，以后的代码都要
}
// Common CPU setup code.
static void
mpmain(void)
{
cprintf("cpu%d: starting\n", cpu->id);
idtinit(); // load idt register
#ifdef CONFIG_MULTI_PROCESS
xchg(&cpu->started, 1); // tell startothers() we're up
#endif
scheduler(); // start running processes
}
// Bootstrap processor gets here after setting up the hardware.
// Additional processors start here.
static void
mpmain(void)
{
cprintf("cpu%d: mpmain\n", cpu());
idtinit();
if(cpu() != mp_bcpu())
lapic_init(cpu());
setupsegs(0);
xchg(&cpus[cpu()].booted, 1);
cprintf("cpu%d: scheduling\n");
scheduler();
}
// Bootstrap processor gets here after setting up the hardware.
// Additional processors start here.
static void
mpmain(void)
{
if(cpunum() != mpbcpu())
lapicinit(cpunum());
ksegment();
cprintf("cpu%d: mpmain\n", cpu->id);
idtinit();
cpu->dir = kernel_dir;
enable_page(cpu->dir);
cprintf("-- mpmain -- cpu%d enable paging dir: %x \n", cpu->id, cpu->dir);
xchg(&cpu->booted, 1);
cprintf("cpu%d: scheduling\n", cpu->id);
scheduler();
}
