svn commit: r255417 - in head/sys/powerpc: include powerpc
Nathan Whitehorn
nwhitehorn at FreeBSD.org
Mon Sep 9 12:49:20 UTC 2013
Author: nwhitehorn
Date: Mon Sep 9 12:49:19 2013
New Revision: 255417
URL: http://svnweb.freebsd.org/changeset/base/255417
Log:
Add hook called when every new processor is brought online -- including the
BSP -- so that platform modules have a chance to add the new CPU to any
internal bookkeeping.
Approved by: re (kib)
Modified:
head/sys/powerpc/include/platform.h
head/sys/powerpc/powerpc/mp_machdep.c
head/sys/powerpc/powerpc/platform.c
head/sys/powerpc/powerpc/platform_if.m
Modified: head/sys/powerpc/include/platform.h
==============================================================================
--- head/sys/powerpc/include/platform.h Mon Sep 9 12:45:41 2013 (r255416)
+++ head/sys/powerpc/include/platform.h Mon Sep 9 12:49:19 2013 (r255417)
@@ -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);
Modified: head/sys/powerpc/powerpc/mp_machdep.c
==============================================================================
--- head/sys/powerpc/powerpc/mp_machdep.c Mon Sep 9 12:45:41 2013 (r255416)
+++ head/sys/powerpc/powerpc/mp_machdep.c Mon Sep 9 12:49:19 2013 (r255417)
@@ -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++;
Modified: head/sys/powerpc/powerpc/platform.c
==============================================================================
--- head/sys/powerpc/powerpc/platform.c Mon Sep 9 12:45:41 2013 (r255416)
+++ head/sys/powerpc/powerpc/platform.c Mon Sep 9 12:49:19 2013 (r255417)
@@ -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)
Modified: head/sys/powerpc/powerpc/platform_if.m
==============================================================================
--- head/sys/powerpc/powerpc/platform_if.m Mon Sep 9 12:45:41 2013 (r255416)
+++ head/sys/powerpc/powerpc/platform_if.m Mon Sep 9 12:49:19 2013 (r255417)
@@ -80,6 +80,10 @@ CODE {
{
return (VM_MAX_ADDRESS);
}
+ static void platform_null_smp_ap_init(platform_t plat)
+ {
+ return;
+ }
};
/**
@@ -185,6 +189,14 @@ METHOD int smp_start_cpu {
};
/**
+ * @brief Start a CPU
+ *
+ */
+METHOD void smp_ap_init {
+ platform_t _plat;
+} DEFAULT platform_null_smp_ap_init;
+
+/**
* @brief Return SMP topology
*/
METHOD cpu_group_t smp_topo {
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