xnu-2050.7.9.tar.gz

[apple/xnu.git] / osfmk / kern / startup.c

diff --git a/osfmk/kern/startup.c b/osfmk/kern/startup.c
index fb673da769519a23dba6f0cd8cc90ef759b81478..b20629ffa82b832546b1bc4ddd130745f49188e6 100644 (file)
--- a/osfmk/kern/startup.c
+++ b/osfmk/kern/startup.c
@@ -1,5 +1,5 @@
 /*
 /*

- * Copyright (c) 2000-2009 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2010 Apple Inc. All rights reserved.

  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 


@@ -69,7 +69,6 @@
 #include <debug.h>
 #include <xpr_debug.h>
 #include <mach_kdp.h>
 #include <debug.h>
 #include <xpr_debug.h>
 #include <mach_kdp.h>

-#include <norma_vm.h>

 
 #include <mach/boolean.h>
 #include <mach/machine.h>
 
 #include <mach/boolean.h>
 #include <mach/machine.h>


@@ -105,6 +104,7 @@
 #include <machine/pmap.h>
 #include <machine/commpage.h>
 #include <libkern/version.h>
 #include <machine/pmap.h>
 #include <machine/commpage.h>
 #include <libkern/version.h>

+#include <sys/kdebug.h>

 
 #if MACH_KDP
 #include <kdp/kdp.h>
 
 #if MACH_KDP
 #include <kdp/kdp.h>


@@ -118,11 +118,6 @@
 #include <pmc/pmc.h>
 #endif
 
 #include <pmc/pmc.h>
 #endif
 

-#ifdef __ppc__
-#include <ppc/Firmware.h>
-#include <ppc/mappings.h>
-#endif
-

 static void            kernel_bootstrap_thread(void);
 
 static void            load_context(
 static void            kernel_bootstrap_thread(void);
 
 static void            load_context(


@@ -135,36 +130,58 @@ extern void cpu_physwindow_init(int);
 // libkern/OSKextLib.cpp
 extern void    OSKextRemoveKextBootstrap(void);
 
 // libkern/OSKextLib.cpp
 extern void    OSKextRemoveKextBootstrap(void);
 

-void srv_setup(void);
-extern void bsd_srv_setup(int);
+void scale_setup(void);
+extern void bsd_scale_setup(int);

 extern unsigned int semaphore_max;
 
 extern unsigned int semaphore_max;
 

-

 /*
  *     Running in virtual memory, on the interrupt stack.
  */
 
 /*
  *     Running in virtual memory, on the interrupt stack.
  */
 

-extern int srv;
+extern int serverperfmode;
+
+/* size of kernel trace buffer, disabled by default */
+unsigned int new_nkdbufs = 0;
+
+/* mach leak logging */
+int log_leaks = 0;
+int turn_on_log_leaks = 0;
+
+
+void
+kernel_early_bootstrap(void)
+{
+
+       lck_mod_init();
+
+       /*
+        * Initialize the timer callout world
+        */
+       timer_call_initialize();
+}
+

 
 void
 kernel_bootstrap(void)
 {
        kern_return_t   result;
 
 void
 kernel_bootstrap(void)
 {
        kern_return_t   result;

-       thread_t                thread;
+       thread_t        thread;
+       char            namep[16];

 
        printf("%s\n", version); /* log kernel version */
 
 #define kernel_bootstrap_kprintf(x...) /* kprintf("kernel_bootstrap: " x) */
 
 
        printf("%s\n", version); /* log kernel version */
 
 #define kernel_bootstrap_kprintf(x...) /* kprintf("kernel_bootstrap: " x) */
 

-       /* i386_vm_init already checks for this ; do it aagin anyway */
-        if (PE_parse_boot_argn("srv", &srv, sizeof (srv))) {
-                srv = 1;
-        }
+       if (PE_parse_boot_argn("-l", namep, sizeof (namep))) /* leaks logging */
+               turn_on_log_leaks = 1;

 
 

-       srv_setup();
+       PE_parse_boot_argn("trace", &new_nkdbufs, sizeof (new_nkdbufs));

 
 

-       kernel_bootstrap_kprintf("calling lck_mod_init\n");
-       lck_mod_init();
+       /* i386_vm_init already checks for this ; do it aagin anyway */
+        if (PE_parse_boot_argn("serverperfmode", &serverperfmode, sizeof (serverperfmode))) {
+                serverperfmode = 1;
+        }
+       scale_setup();

 
        kernel_bootstrap_kprintf("calling vm_mem_bootstrap\n");
        vm_mem_bootstrap();
 
        kernel_bootstrap_kprintf("calling vm_mem_bootstrap\n");
        vm_mem_bootstrap();


@@ -208,13 +225,11 @@ kernel_bootstrap(void)
        kernel_bootstrap_kprintf("calling clock_init\n");
        clock_init();
 
        kernel_bootstrap_kprintf("calling clock_init\n");
        clock_init();
 

+       ledger_init();

 
        /*
         *      Initialize the IPC, task, and thread subsystems.
         */
 
        /*
         *      Initialize the IPC, task, and thread subsystems.
         */

-       kernel_bootstrap_kprintf("calling ledger_init\n");
-       ledger_init();
-

        kernel_bootstrap_kprintf("calling task_init\n");
        task_init();
 
        kernel_bootstrap_kprintf("calling task_init\n");
        task_init();
 


@@ -239,6 +254,8 @@ kernel_bootstrap(void)
 
 int kth_started = 0;
 
 
 int kth_started = 0;
 

+vm_offset_t vm_kernel_addrperm;
+

 /*
  * Now running in a thread.  Kick off other services,
  * invoke user bootstrap, enter pageout loop.
 /*
  * Now running in a thread.  Kick off other services,
  * invoke user bootstrap, enter pageout loop.


@@ -264,6 +281,18 @@ kernel_bootstrap_thread(void)
        kernel_bootstrap_thread_kprintf("calling sched_startup\n");
        sched_startup();
 
        kernel_bootstrap_thread_kprintf("calling sched_startup\n");
        sched_startup();
 

+       /*
+        * Thread lifecycle maintenance (teardown, stack allocation)
+        */
+       kernel_bootstrap_thread_kprintf("calling thread_daemon_init\n");
+       thread_daemon_init();
+       
+       /*
+        * Thread callout service.
+        */
+       kernel_bootstrap_thread_kprintf("calling thread_call_initialize\n");
+       thread_call_initialize();
+       

        /*
         * Remain on current processor as
         * additional processors come online.
        /*
         * Remain on current processor as
         * additional processors come online.


@@ -289,11 +318,6 @@ kernel_bootstrap_thread(void)
        device_service_create();
 
        kth_started = 1;
        device_service_create();
 
        kth_started = 1;

-
-#if MACH_KDP
-       kernel_bootstrap_kprintf("calling kdp_init\n");
-       kdp_init();
-#endif

                
 #if (defined(__i386__) || defined(__x86_64__)) && NCOPY_WINDOWS > 0
        /*
                
 #if (defined(__i386__) || defined(__x86_64__)) && NCOPY_WINDOWS > 0
        /*


@@ -303,10 +327,25 @@ kernel_bootstrap_thread(void)
        cpu_physwindow_init(0);
 #endif
 
        cpu_physwindow_init(0);
 #endif
 

+       vm_kernel_reserved_entry_init();
+       
+#if MACH_KDP
+       kernel_bootstrap_kprintf("calling kdp_init\n");
+       kdp_init();
+#endif
+

 #if CONFIG_COUNTERS
        pmc_bootstrap();
 #endif
 
 #if CONFIG_COUNTERS
        pmc_bootstrap();
 #endif
 

+#if (defined(__i386__) || defined(__x86_64__))
+       if (turn_on_log_leaks && !new_nkdbufs)
+               new_nkdbufs = 200000;
+       start_kern_tracing(new_nkdbufs);
+       if (turn_on_log_leaks)
+               log_leaks = 1;
+#endif
+

 #ifdef IOKIT
        PE_init_iokit();
 #endif
 #ifdef IOKIT
        PE_init_iokit();
 #endif


@@ -324,16 +363,34 @@ kernel_bootstrap_thread(void)
        cpu_userwindow_init(0);
 #endif
 
        cpu_userwindow_init(0);
 #endif
 

+#if (!defined(__i386__) && !defined(__x86_64__))
+       if (turn_on_log_leaks && !new_nkdbufs)
+               new_nkdbufs = 200000;
+       start_kern_tracing(new_nkdbufs);
+       if (turn_on_log_leaks)
+               log_leaks = 1;
+#endif
+

        /*
         *      Initialize the shared region module.
         */
        vm_shared_region_init();
        vm_commpage_init();
        /*
         *      Initialize the shared region module.
         */
        vm_shared_region_init();
        vm_commpage_init();

+       vm_commpage_text_init();

 
 #if CONFIG_MACF
        mac_policy_initmach();
 #endif
 
 
 #if CONFIG_MACF
        mac_policy_initmach();
 #endif
 

+       /*
+        * Initialize the global used for permuting kernel
+        * addresses that may be exported to userland as tokens
+        * using VM_KERNEL_ADDRPERM(). Force the random number
+        * to be odd to avoid mapping a non-zero
+        * word-aligned address to zero via addition.
+        */
+       vm_kernel_addrperm = (vm_offset_t)early_random() | 1;
+

        /*
         *      Start the user bootstrap.
         */
        /*
         *      Start the user bootstrap.
         */


@@ -442,7 +499,7 @@ load_context(
         * should never occur since the thread is expected
         * to have reserved stack.
         */
         * should never occur since the thread is expected
         * to have reserved stack.
         */

-       load_context_kprintf("stack %x, stackptr %x\n", 
+       load_context_kprintf("thread %p, stack %x, stackptr %x\n", thread, 

                             thread->kernel_stack, thread->machine.kstackptr);
        if (!thread->kernel_stack) {
                load_context_kprintf("calling stack_alloc_try\n");
                             thread->kernel_stack, thread->machine.kstackptr);
        if (!thread->kernel_stack) {
                load_context_kprintf("calling stack_alloc_try\n");


@@ -459,6 +516,7 @@ load_context(
 
        processor->active_thread = thread;
        processor->current_pri = thread->sched_pri;
 
        processor->active_thread = thread;
        processor->current_pri = thread->sched_pri;

+       processor->current_thmode = thread->sched_mode;

        processor->deadline = UINT64_MAX;
        thread->last_processor = processor;
 
        processor->deadline = UINT64_MAX;
        thread->last_processor = processor;
 


@@ -477,26 +535,34 @@ load_context(
 }
 
 void
 }
 
 void

-srv_setup()
+scale_setup()

 {
        int scale = 0;
 #if defined(__LP64__)
 {
        int scale = 0;
 #if defined(__LP64__)

-       /* if memory is more than 16G, then apply rules for processes */
-       if ((srv != 0) && ((uint64_t)sane_size >= (uint64_t)(16 * 1024 * 1024 *1024ULL))) {
+       typeof(task_max) task_max_base = task_max;
+
+       /* Raise limits for servers with >= 16G */
+       if ((serverperfmode != 0) && ((uint64_t)sane_size >= (uint64_t)(16 * 1024 * 1024 *1024ULL))) {

                scale = (int)((uint64_t)sane_size / (uint64_t)(8 * 1024 * 1024 *1024ULL));
                /* limit to 128 G */
                if (scale > 16)
                        scale = 16;
                scale = (int)((uint64_t)sane_size / (uint64_t)(8 * 1024 * 1024 *1024ULL));
                /* limit to 128 G */
                if (scale > 16)
                        scale = 16;

-               task_max = 2500 * scale;
+               task_max_base = 2500;
+       } else if ((uint64_t)sane_size >= (uint64_t)(3 * 1024 * 1024 *1024ULL))
+               scale = 2;
+
+       task_max = MAX(task_max, task_max_base * scale);
+
+       if (scale != 0) {

                task_threadmax = task_max;
                task_threadmax = task_max;

-               thread_max = task_max * 5;
-       } else
-               scale = 0;
+               thread_max = task_max * 5; 
+       }
+

 #endif
 #endif

-       bsd_srv_setup(scale);
+
+       bsd_scale_setup(scale);

        
        ipc_space_max = SPACE_MAX;
        
        ipc_space_max = SPACE_MAX;

-       ipc_tree_entry_max = ITE_MAX;

        ipc_port_max = PORT_MAX;
        ipc_pset_max = SET_MAX;
        semaphore_max = SEMAPHORE_MAX;
        ipc_port_max = PORT_MAX;
        ipc_pset_max = SET_MAX;
        semaphore_max = SEMAPHORE_MAX;