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Add hook called when every new processor is brought online -- including the

Browse source 
BSP -- so that platform modules have a chance to add the new CPU to any
internal bookkeeping.

Approved by:	re (kib)
This commit is contained in:
Nathan Whitehorn 2013-09-09 12:49:19 +00:00
parent e52f055d23
commit 0658fe8ce1
4 changed files with 22 additions and 0 deletions
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1
sys/powerpc/include/platform.h
View file

@ -52,6 +52,7 @@ int platform_smp_first_cpu(struct cpuref *);
int platform_smp_next_cpu(struct cpuref *);
int platform_smp_get_bsp(struct cpuref *);
int platform_smp_start_cpu(struct pcpu *);
void platform_smp_ap_init(void);
const char *installed_platform(void);
void platform_probe_and_attach(void);

3
sys/powerpc/powerpc/mp_machdep.c
View file

@ -91,6 +91,9 @@ machdep_ap_bootstrap(void)
#endif
decr_ap_init();
/* Give platform code a chance to do anything necessary */
platform_smp_ap_init();
/* Serialize console output and AP count increment */
mtx_lock_spin(&ap_boot_mtx);
ap_awake++;

6
sys/powerpc/powerpc/platform.c
View file

@ -141,6 +141,12 @@ platform_smp_start_cpu(struct pcpu *cpu)
return (PLATFORM_SMP_START_CPU(plat_obj, cpu));
}
void
platform_smp_ap_init()
{
PLATFORM_SMP_AP_INIT(plat_obj);
}
#ifdef SMP
struct cpu_group *
cpu_topo(void)

12
sys/powerpc/powerpc/platform_if.m
View file

@ -80,6 +80,10 @@ CODE {
{
return (VM_MAX_ADDRESS);
}
static void platform_null_smp_ap_init(platform_t plat)
{
return;
}
};
/**
@ -184,6 +188,14 @@ METHOD int smp_start_cpu {
struct pcpu *_cpu;
};
/**
* @brief Start a CPU
*
*/
METHOD void smp_ap_init {
platform_t _plat;
} DEFAULT platform_null_smp_ap_init;
/**
* @brief Return SMP topology
*/