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Annotation of OSKit-Mach/oskit/smp-glue.c, revision 1.1

1.1     ! root        1: #include <cpus.h>
        !             2: 
        !             3: #if MULTIPROCESSOR
        !             4: 
        !             5: #include <oskit/smp.h>
        !             6: #include <machine/mp_desc.h>
        !             7: #include <kern/cpu_number.h>
        !             8: #include <mach/kern_return.h>
        !             9: #include <mach/machine.h>
        !            10: 
        !            11: extern void slave_main (void) __attribute__ ((noreturn)); /* kern/startup.c */
        !            12: 
        !            13: 
        !            14: void
        !            15: interrupt_processor (int which_cpu)
        !            16: {
        !            17:   smp_message_pass (which_cpu);
        !            18: }
        !            19: 
        !            20: static void
        !            21: secondary_cpu (void *arg)
        !            22: {
        !            23:   const int mycpu = (int) arg;
        !            24: 
        !            25:   assert (mycpu == smp_find_cur_cpu ());
        !            26: 
        !            27:   mp_desc_load (mp_desc_init (mycpu));
        !            28:   setup_machine_slot (mycpu);
        !            29: 
        !            30:   smp_message_pass_enable[mycpu] = 1;
        !            31: 
        !            32:   slave_main ();
        !            33:   /* NOTREACHED */
        !            34: }
        !            35: 
        !            36: void
        !            37: start_other_cpus (void)
        !            38: {
        !            39:   int cpu;
        !            40: 
        !            41:   smp_message_pass_enable[master_cpu] = 1;
        !            42: 
        !            43:   cpu = 0;
        !            44:   while ((cpu = smp_find_cpu (cpu)) >= 0)
        !            45:     if (cpu != master_cpu)
        !            46:       smp_start_cpu (cpu,
        !            47:                     &secondary_cpu, (void *) cpu,
        !            48:                     (void *) int_stack_top[cpu]);
        !            49: }
        !            50: 
        !            51: kern_return_t
        !            52: cpu_control(int cpu, int *info, int count)
        !            53: {
        !            54: printf("cpu_control %d\n", cpu);
        !            55:        return KERN_FAILURE;
        !            56: }
        !            57: 
        !            58: kern_return_t
        !            59: cpu_start(int cpu)
        !            60: {
        !            61:   if (machine_slot[cpu].running)
        !            62:     return KERN_FAILURE;
        !            63: 
        !            64:   smp_start_cpu (cpu,
        !            65:                 &secondary_cpu, (void *) cpu,
        !            66:                 (void *) int_stack_top[cpu]);
        !            67: 
        !            68:   return KERN_SUCCESS;         /* not synchronous */
        !            69: }
        !            70: 
        !            71: #endif

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