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Date:      Mon, 9 Sep 2013 12:49:19 +0000 (UTC)
From:      Nathan Whitehorn <nwhitehorn@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r255417 - in head/sys/powerpc: include powerpc
Message-ID:  <201309091249.r89CnJgU021353@svn.freebsd.org>
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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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