xnu-792.6.22.tar.gz

[apple/xnu.git] / osfmk / i386 / cpu.c

diff --git a/osfmk/i386/cpu.c b/osfmk/i386/cpu.c
index 5d6d05caed2beb83e1fc5c933644ce61baf32043..f1698995283847f3896a4165db1eb78a6bc938d6 100644 (file)
--- a/osfmk/i386/cpu.c
+++ b/osfmk/i386/cpu.c
@@ -25,10 +25,20 @@
  *     cpu specific routines
  */
 
  *     cpu specific routines
  */
 

-#include <kern/machine.h>
+#include <kern/kalloc.h>

 #include <kern/misc_protos.h>
 #include <kern/misc_protos.h>

-#include <kern/processor.h>
+#include <kern/machine.h>

 #include <mach/processor_info.h>
 #include <mach/processor_info.h>

+#include <i386/mp.h>
+#include <i386/machine_cpu.h>
+#include <i386/machine_routines.h>
+#include <i386/pmap.h>
+#include <i386/misc_protos.h>
+#include <i386/cpu_threads.h>
+#include <vm/vm_kern.h>
+
+
+struct processor       processor_master;

 
 /*ARGSUSED*/
 kern_return_t
 
 /*ARGSUSED*/
 kern_return_t


@@ -37,15 +47,16 @@ cpu_control(
        processor_info_t        info,
        unsigned int            count)
 {
        processor_info_t        info,
        unsigned int            count)
 {

-       printf("cpu_control not implemented\n");
+       printf("cpu_control(%d,0x%x,%d) not implemented\n",
+               slot_num, info, count);

        return (KERN_FAILURE);
 }
 
 /*ARGSUSED*/
 kern_return_t
 cpu_info_count(
        return (KERN_FAILURE);
 }
 
 /*ARGSUSED*/
 kern_return_t
 cpu_info_count(

-        processor_flavor_t      flavor,
-       unsigned int            *count)
+        __unused processor_flavor_t      flavor,
+       unsigned int                    *count)

 {
        *count = 0;
        return (KERN_FAILURE);
 {
        *count = 0;
        return (KERN_FAILURE);


@@ -59,12 +70,158 @@ cpu_info(
        processor_info_t        info,
        unsigned int            *count)
 {
        processor_info_t        info,
        unsigned int            *count)
 {

-       printf("cpu_info not implemented\n");
+       printf("cpu_info(%d,%d,0x%x,0x%x) not implemented\n",
+               flavor, slot_num, info, count);

        return (KERN_FAILURE);
 }
 
 void
        return (KERN_FAILURE);
 }
 
 void

-cpu_sleep()
+cpu_sleep(void)
+{
+       cpu_data_t      *proc_info = current_cpu_datap();
+
+       PE_cpu_machine_quiesce(proc_info->cpu_id);
+
+       cpu_thread_halt();
+}
+
+void
+cpu_init(void)
+{
+       cpu_data_t      *cdp = current_cpu_datap();
+
+#ifdef MACH_BSD
+       /* FIXME */
+       cdp->cpu_type = CPU_TYPE_I386;
+       cdp->cpu_subtype = CPU_SUBTYPE_PENTPRO;
+#else
+       cdp->cpu_type = cpuid_cputype(0);
+       cdp->cpu_subtype = CPU_SUBTYPE_AT386;
+#endif
+       cdp->cpu_running = TRUE;
+}
+
+kern_return_t
+cpu_start(
+       int cpu)
+{
+       kern_return_t           ret;
+
+       if (cpu == cpu_number()) {
+               cpu_machine_init();
+               return KERN_SUCCESS;
+       } else {
+               /*
+                * Should call out through PE.
+                * But take the shortcut here.
+                */
+               ret = intel_startCPU(cpu);
+               return(ret);
+       }
+}
+
+void
+cpu_exit_wait(
+       __unused int cpu)
+{
+}
+
+void
+cpu_machine_init(
+       void)
+{
+       int     cpu;
+
+       cpu = get_cpu_number();
+       PE_cpu_machine_init(cpu_datap(cpu)->cpu_id, TRUE);
+#if 0
+       if (cpu_datap(cpu)->hibernate)
+       {
+           cpu_datap(cpu)->hibernate = 0;
+           hibernate_machine_init();
+       }
+#endif
+       ml_init_interrupt();
+}
+
+processor_t
+cpu_processor_alloc(boolean_t is_boot_cpu)
+{
+       int             ret;
+       processor_t     proc;
+
+       if (is_boot_cpu)
+               return &processor_master;
+
+       ret = kmem_alloc(kernel_map, (vm_offset_t *) &proc, sizeof(*proc));
+       if (ret != KERN_SUCCESS)
+               return NULL;
+
+       bzero((void *) proc, sizeof(*proc));
+       return proc;
+}
+
+void
+cpu_processor_free(processor_t proc)
+{
+       if (proc != NULL && proc != &processor_master)
+               kfree((void *) proc, sizeof(*proc));
+}
+
+processor_t
+current_processor(void)
+{
+       return current_cpu_datap()->cpu_processor;
+}
+
+processor_t
+cpu_to_processor(
+       int                     cpu)
+{
+       return cpu_datap(cpu)->cpu_processor;
+}
+
+ast_t *
+ast_pending(void)
+{
+       return (&current_cpu_datap()->cpu_pending_ast);
+}
+
+cpu_type_t
+slot_type(
+       int             slot_num)
+{
+       return (cpu_datap(slot_num)->cpu_type);
+}
+
+cpu_subtype_t
+slot_subtype(
+       int             slot_num)
+{
+       return (cpu_datap(slot_num)->cpu_subtype);
+}
+
+cpu_threadtype_t
+slot_threadtype(
+       int             slot_num)
+{
+       return (cpu_datap(slot_num)->cpu_threadtype);
+}
+
+cpu_type_t
+cpu_type(void)
+{
+       return (current_cpu_datap()->cpu_type);
+}
+
+cpu_subtype_t
+cpu_subtype(void)
+{
+       return (current_cpu_datap()->cpu_subtype);
+}
+
+cpu_threadtype_t
+cpu_threadtype(void)

 {
 {

-       printf("cpu_sleep not implemented\n");
+       return (current_cpu_datap()->cpu_threadtype);

 }
 }