extern void (*mtrr_hook) (void);
extern void zap_low_mappings(void);
void smp_stop_cpu(void);
-extern char cpu_sibling_map[];
-extern char phys_proc_id[NR_CPUS];
+extern cpumask_t cpu_sibling_map[NR_CPUS];
+extern u8 phys_proc_id[NR_CPUS];
#define SMP_TRAMPOLINE_BASE 0x6000
*/
extern cpumask_t cpu_callout_map;
+extern cpumask_t cpu_callin_map;
#define cpu_possible_map cpu_callout_map
-#define cpu_online(cpu) cpu_isset(cpu, cpu_online_map)
static inline int num_booting_cpus(void)
{
return cpus_weight(cpu_callout_map);
}
-#define smp_processor_id() read_pda(cpunumber)
+#define __smp_processor_id() read_pda(cpunumber)
extern __inline int hard_smp_processor_id(void)
{
return GET_APIC_ID(*(unsigned int *)(APIC_BASE+APIC_ID));
}
+#define safe_smp_processor_id() (disable_apic ? 0 : x86_apicid_to_cpu(hard_smp_processor_id()))
+
+#endif /* !ASSEMBLY */
+
+#define NO_PROC_ID 0xFF /* No processor magic marker */
+
+#endif
+
+#ifndef ASSEMBLY
/*
* Some lowlevel functions might want to know about
* the real APIC ID <-> CPU # mapping.
- * AK: why is this volatile?
*/
-extern volatile char x86_cpu_to_apicid[NR_CPUS];
+extern u8 x86_cpu_to_apicid[NR_CPUS]; /* physical ID */
+extern u8 x86_cpu_to_log_apicid[NR_CPUS];
+extern u8 bios_cpu_apicid[];
+
+static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask)
+{
+ return cpus_addr(cpumask)[0];
+}
-static inline char x86_apicid_to_cpu(char apicid)
+static inline int x86_apicid_to_cpu(u8 apicid)
{
int i;
if (x86_cpu_to_apicid[i] == apicid)
return i;
+ /* No entries in x86_cpu_to_apicid? Either no MPS|ACPI,
+ * or called too early. Either way, we must be CPU 0. */
+ if (x86_cpu_to_apicid[0] == BAD_APICID)
+ return 0;
+
return -1;
}
-#define safe_smp_processor_id() (disable_apic ? 0 : x86_apicid_to_cpu(hard_smp_processor_id()))
-
-extern u8 bios_cpu_apicid[];
-
static inline int cpu_present_to_apicid(int mps_cpu)
{
if (mps_cpu < NR_CPUS)
return BAD_APICID;
}
-#define cpu_online(cpu) cpu_isset(cpu, cpu_online_map)
#endif /* !ASSEMBLY */
-#define NO_PROC_ID 0xFF /* No processor magic marker */
-
-#endif
-#define INT_DELIVERY_MODE 1 /* logical delivery */
-#define TARGET_CPUS 1
-
-#ifndef ASSEMBLY
-static inline unsigned int cpu_mask_to_apicid(cpumask_const_t cpumask)
-{
- return cpus_coerce_const(cpumask);
-}
-#endif
-
#ifndef CONFIG_SMP
#define stack_smp_processor_id() 0
#define safe_smp_processor_id() 0
})
#endif
+#ifndef __ASSEMBLY__
+static __inline int logical_smp_processor_id(void)
+{
+ /* we don't want to mark this access volatile - bad code generation */
+ return GET_APIC_LOGICAL_ID(*(unsigned long *)(APIC_BASE+APIC_LDR));
+}
+#endif
+
#endif