/*
- * Copyright (c) 2000-2010 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2018 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
+ *
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
- *
+ *
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
+ *
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
- *
+ *
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* @OSF_COPYRIGHT@
*/
-/*
+/*
* Mach Operating System
* Copyright (c) 1991,1990,1989,1988 Carnegie Mellon University
* All Rights Reserved.
- *
+ *
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
- *
+ *
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- *
+ *
* Carnegie Mellon requests users of this software to return to
- *
+ *
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
- *
+ *
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
*/
#include <debug.h>
-#include <xpr_debug.h>
#include <mach_kdp.h>
#include <mach/boolean.h>
#include <kern/ledger.h>
#include <kern/machine.h>
#include <kern/processor.h>
+#include <kern/restartable.h>
#include <kern/sched_prim.h>
#include <kern/turnstile.h>
#if CONFIG_SCHED_SFI
#if CONFIG_TELEMETRY
#include <kern/telemetry.h>
#endif
-#include <kern/xpr.h>
#include <kern/zalloc.h>
#include <kern/locks.h>
#include <kern/debug.h>
#endif
#include <i386/pmCPU.h>
-static void kernel_bootstrap_thread(void);
+static void kernel_bootstrap_thread(void);
-static void load_context(
- thread_t thread);
+static void load_context(
+ thread_t thread);
#if (defined(__i386__) || defined(__x86_64__)) && NCOPY_WINDOWS > 0
extern void cpu_userwindow_init(int);
extern void cpu_physwindow_init(int);
#if CONFIG_ECC_LOGGING
#include <kern/ecc.h>
-#endif
+#endif
#if (defined(__i386__) || defined(__x86_64__)) && CONFIG_VMX
#include <i386/vmx/vmx_cpu.h>
unsigned int new_nkdbufs = 0;
unsigned int wake_nkdbufs = 0;
unsigned int write_trace_on_panic = 0;
-static char trace_typefilter[64] = { 0 };
unsigned int trace_wrap = 0;
boolean_t trace_serial = FALSE;
boolean_t early_boot_complete = FALSE;
-/* physically contiguous carveouts */
-SECURITY_READ_ONLY_LATE(uintptr_t) phys_carveout = 0;
-SECURITY_READ_ONLY_LATE(uintptr_t) phys_carveout_pa = 0;
-SECURITY_READ_ONLY_LATE(size_t) phys_carveout_size = 0;
-
/* mach leak logging */
int log_leaks = 0;
kernel_early_bootstrap(void)
{
/* serverperfmode is needed by timer setup */
- if (PE_parse_boot_argn("serverperfmode", &serverperfmode, sizeof (serverperfmode))) {
- serverperfmode = 1;
- }
-
- lck_mod_init();
-
- /*
- * Initialize the timer callout world
- */
- timer_call_init();
+ if (PE_parse_boot_argn("serverperfmode", &serverperfmode, sizeof(serverperfmode))) {
+ serverperfmode = 1;
+ }
#if CONFIG_SCHED_SFI
/*
#endif
}
-extern boolean_t IORamDiskBSDRoot(void);
-extern kern_return_t cpm_preallocate_early(void);
void
kernel_bootstrap(void)
{
- kern_return_t result;
- thread_t thread;
- char namep[16];
+ kern_return_t result;
+ thread_t thread;
+ char namep[16];
printf("%s\n", version); /* log kernel version */
- if (PE_parse_boot_argn("-l", namep, sizeof (namep))) /* leaks logging */
+ if (PE_parse_boot_argn("-l", namep, sizeof(namep))) { /* leaks logging */
log_leaks = 1;
+ }
- PE_parse_boot_argn("trace", &new_nkdbufs, sizeof (new_nkdbufs));
- PE_parse_boot_argn("trace_wake", &wake_nkdbufs, sizeof (wake_nkdbufs));
+ PE_parse_boot_argn("trace", &new_nkdbufs, sizeof(new_nkdbufs));
+ PE_parse_boot_argn("trace_wake", &wake_nkdbufs, sizeof(wake_nkdbufs));
PE_parse_boot_argn("trace_panic", &write_trace_on_panic, sizeof(write_trace_on_panic));
- PE_parse_boot_arg_str("trace_typefilter", trace_typefilter, sizeof(trace_typefilter));
PE_parse_boot_argn("trace_wrap", &trace_wrap, sizeof(trace_wrap));
scale_setup();
PMAP_ACTIVATE_KERNEL(master_cpu);
kernel_bootstrap_log("mapping_free_prime");
- mapping_free_prime(); /* Load up with temporary mapping blocks */
+ mapping_free_prime(); /* Load up with temporary mapping blocks */
kernel_bootstrap_log("machine_init");
machine_init();
+ kernel_bootstrap_log("thread_machine_init_template");
+ thread_machine_init_template();
+
kernel_bootstrap_log("clock_init");
clock_init();
kernel_bootstrap_log("thread_init");
thread_init();
+ kernel_bootstrap_log("restartable_init");
+ restartable_init();
+
kernel_bootstrap_log("workq_init");
workq_init();
/* initialize host_statistics */
host_statistics_init();
+ /* initialize exceptions */
+ exception_init();
+
+#if CONFIG_SCHED_SFI
+ kernel_bootstrap_log("sfi_init");
+ sfi_init();
+#endif
+
/*
* Create a kernel thread to execute the kernel bootstrap.
*/
+
kernel_bootstrap_log("kernel_thread_create");
result = kernel_thread_create((thread_continue_t)kernel_bootstrap_thread, NULL, MAXPRI_KERNEL, &thread);
- if (result != KERN_SUCCESS) panic("kernel_bootstrap: result = %08X\n", result);
+ if (result != KERN_SUCCESS) {
+ panic("kernel_bootstrap: result = %08X\n", result);
+ }
+
+ /* The static init_thread is re-used as the bootstrap thread */
+ assert(thread == current_thread());
+ /* TODO: do a proper thread_start() (without the thread_setrun()) */
thread->state = TH_RUN;
thread->last_made_runnable_time = mach_absolute_time();
+ thread_set_thread_name(thread, "kernel_bootstrap_thread");
+
thread_deallocate(thread);
kernel_bootstrap_log("load_context - done");
static void
kernel_bootstrap_thread(void)
{
- processor_t processor = current_processor();
+ processor_t processor = current_processor();
#define kernel_bootstrap_thread_kprintf(x...) /* kprintf("kernel_bootstrap_thread: " x) */
kernel_bootstrap_thread_log("idle_thread_create");
kernel_bootstrap_thread_log("thread_bind");
thread_bind(processor);
-#if __arm64__
- if (IORamDiskBSDRoot()) {
- cpm_preallocate_early();
- }
-#endif /* __arm64__ */
-
/*
* Initialize ipc thread call support.
*/
#if (defined(__i386__) || defined(__x86_64__)) && NCOPY_WINDOWS > 0
/*
* Create and initialize the physical copy window for processor 0
- * This is required before starting kicking off IOKit.
+ * This is required before starting kicking off IOKit.
*/
cpu_physwindow_init(0);
#endif
- if (PE_i_can_has_debugger(NULL)) {
- unsigned int phys_carveout_mb = 0;
- if (PE_parse_boot_argn("phys_carveout_mb", &phys_carveout_mb,
- sizeof(phys_carveout_mb)) && phys_carveout_mb > 0) {
- phys_carveout_size = phys_carveout_mb * 1024 * 1024;
- kern_return_t kr = kmem_alloc_contig(kernel_map,
- (vm_offset_t *)&phys_carveout, phys_carveout_size,
- VM_MAP_PAGE_MASK(kernel_map), 0, 0, KMA_NOPAGEWAIT,
- VM_KERN_MEMORY_DIAG);
- if (kr != KERN_SUCCESS) {
- kprintf("failed to allocate %uMB for phys_carveout_mb: %u\n",
- phys_carveout_mb, (unsigned int)kr);
- } else {
- phys_carveout_pa = kvtophys((vm_offset_t)phys_carveout);
- }
- }
- }
+ phys_carveout_init();
#if MACH_KDP
kernel_bootstrap_log("kdp_init");
#if CONFIG_ECC_LOGGING
ecc_log_init();
-#endif
+#endif
#if HYPERVISOR
hv_support_init();
kernel_bootstrap_thread_log("ktrace_init");
ktrace_init();
+ char trace_typefilter[256] = {};
+ PE_parse_boot_arg_str("trace_typefilter", trace_typefilter,
+ sizeof(trace_typefilter));
kdebug_init(new_nkdbufs, trace_typefilter, trace_wrap);
-#ifdef MACH_BSD
+#ifdef MACH_BSD
kernel_bootstrap_log("bsd_early_init");
bsd_early_init();
#endif
ml_lockdown_init();
#endif
-#ifdef IOKIT
+#ifdef IOKIT
kernel_bootstrap_log("PE_init_iokit");
PE_init_iokit();
#endif
// Reset interrupts masked timeout before we enable interrupts
ml_spin_debug_clear_self();
#endif
- (void) spllo(); /* Allow interruptions */
+ (void) spllo(); /* Allow interruptions */
#if (defined(__i386__) || defined(__x86_64__)) && NCOPY_WINDOWS > 0
/*
/*
* Finalize protections on statically mapped pages now that comm page mapping is established.
*/
- arm_vm_prot_finalize(PE_state.bootArgs);
-#endif
-
-#if CONFIG_SCHED_SFI
- kernel_bootstrap_log("sfi_init");
- sfi_init();
+ arm_vm_prot_finalize(PE_state.bootArgs);
#endif
/*
/*
* Start the user bootstrap.
*/
-#ifdef MACH_BSD
+#ifdef MACH_BSD
bsd_init();
#endif
+#if defined (__x86_64__)
+ x86_64_protect_data_const();
+#endif
+
/*
* Get rid of pages used for early boot tracing.
*/
kdebug_free_early_buf();
- serial_keyboard_init(); /* Start serial keyboard if wanted */
+ serial_keyboard_init(); /* Start serial keyboard if wanted */
vm_page_init_local_q();
thread_bind(PROCESSOR_NULL);
+ /*
+ * Now that all CPUs are available to run threads, this is essentially
+ * a background thread. Take this opportunity to initialize and free
+ * any remaining vm_pages that were delayed earlier by pmap_startup().
+ */
+ vm_free_delayed_pages();
+
/*
* Become the pageout daemon.
*/
* slave_main:
*
* Load the first thread to start a processor.
+ * This path will also be used by the master processor
+ * after being offlined.
*/
void
slave_main(void *machine_param)
{
- processor_t processor = current_processor();
- thread_t thread;
+ processor_t processor = current_processor();
+ thread_t thread;
/*
* Use the idle processor thread if there
* is no dedicated start up thread.
*/
- if (processor->next_thread == THREAD_NULL) {
+ if (processor->processor_offlined == true) {
+ /* Return to the saved processor_offline context */
+ assert(processor->startup_thread == THREAD_NULL);
+
thread = processor->idle_thread;
- thread->continuation = (thread_continue_t)processor_start_thread;
thread->parameter = machine_param;
- }
- else {
- thread = processor->next_thread;
- processor->next_thread = THREAD_NULL;
+ } else if (processor->startup_thread) {
+ thread = processor->startup_thread;
+ processor->startup_thread = THREAD_NULL;
+ } else {
+ thread = processor->idle_thread;
+ thread->continuation = processor_start_thread;
+ thread->parameter = machine_param;
}
load_context(thread);
* Called at splsched.
*/
void
-processor_start_thread(void *machine_param)
+processor_start_thread(void *machine_param,
+ __unused wait_result_t result)
{
- processor_t processor = current_processor();
- thread_t self = current_thread();
+ processor_t processor = current_processor();
+ thread_t self = current_thread();
slave_machine_init(machine_param);
* If running the idle processor thread,
* reenter the idle loop, else terminate.
*/
- if (self == processor->idle_thread)
- thread_block((thread_continue_t)idle_thread);
+ if (self == processor->idle_thread) {
+ thread_block(idle_thread);
+ }
thread_terminate(self);
/*NOTREACHED*/
* load_context:
*
* Start the first thread on a processor.
+ * This may be the first thread ever run on a processor, or
+ * it could be a processor that was previously offlined.
*/
static void __attribute__((noreturn))
load_context(
- thread_t thread)
+ thread_t thread)
{
- processor_t processor = current_processor();
+ processor_t processor = current_processor();
#define load_context_kprintf(x...) /* kprintf("load_context: " x) */
machine_set_current_thread(thread);
load_context_kprintf("processor_up\n");
- processor_up(processor);
PMAP_ACTIVATE_KERNEL(processor->cpu_id);
* to have reserved stack.
*/
load_context_kprintf("thread %p, stack %lx, stackptr %lx\n", thread,
- thread->kernel_stack, thread->machine.kstackptr);
+ thread->kernel_stack, thread->machine.kstackptr);
if (!thread->kernel_stack) {
load_context_kprintf("stack_alloc_try\n");
- if (!stack_alloc_try(thread))
+ if (!stack_alloc_try(thread)) {
panic("load_context");
+ }
}
/*
* The idle processor threads are not counted as
* running for load calculations.
*/
- if (!(thread->state & TH_IDLE))
- sched_run_incr(thread);
+ if (!(thread->state & TH_IDLE)) {
+ SCHED(run_count_incr)(thread);
+ }
processor->active_thread = thread;
- processor_state_update_explicit(processor, thread->sched_pri,
- SFI_CLASS_KERNEL, PSET_SMP, thread_get_perfcontrol_class(thread));
+ processor_state_update_explicit(processor, thread->sched_pri,
+ SFI_CLASS_KERNEL, PSET_SMP, thread_get_perfcontrol_class(thread), THREAD_URGENCY_NONE);
+ processor->current_is_bound = thread->bound_processor != PROCESSOR_NULL;
+ processor->current_is_NO_SMT = false;
processor->starting_pri = thread->sched_pri;
processor->deadline = UINT64_MAX;
thread->last_processor = processor;
+ processor_up(processor);
+
processor->last_dispatch = mach_absolute_time();
timer_start(&thread->system_timer, processor->last_dispatch);
PROCESSOR_DATA(processor, thread_timer) = PROCESSOR_DATA(processor, kernel_timer) = &thread->system_timer;
PMAP_ACTIVATE_USER(thread, processor->cpu_id);
load_context_kprintf("machine_load_context\n");
+
+#if __arm__ || __arm64__
+#if __SMP__
+ /* TODO: Should this be ordered? */
+ thread->machine.machine_thread_flags |= MACHINE_THREAD_FLAGS_ON_CPU;
+#endif /* __SMP__ */
+#endif /* __arm__ || __arm64__ */
+
machine_load_context(thread);
/*NOTREACHED*/
}
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));
+ 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)
+ if (scale > 16) {
scale = 16;
+ }
task_max_base = 2500;
- /* Raise limits for machines with >= 3GB */
- } else if ((uint64_t)sane_size >= (uint64_t)(3 * 1024 * 1024 *1024ULL)) {
- if ((uint64_t)sane_size < (uint64_t)(8 * 1024 * 1024 *1024ULL)) {
+ /* Raise limits for machines with >= 3GB */
+ } else if ((uint64_t)sane_size >= (uint64_t)(3 * 1024 * 1024 * 1024ULL)) {
+ if ((uint64_t)sane_size < (uint64_t)(8 * 1024 * 1024 * 1024ULL)) {
scale = 2;
} else {
/* limit to 64GB */
- scale = MIN(16, (int)((uint64_t)sane_size / (uint64_t)(4 * 1024 * 1024 *1024ULL)));
+ scale = MIN(16, (int)((uint64_t)sane_size / (uint64_t)(4 * 1024 * 1024 * 1024ULL)));
}
}
if (scale != 0) {
task_threadmax = task_max;
- thread_max = task_max * 5;
+ thread_max = task_max * 5;
}
#endif
bsd_scale_setup(scale);
-
+
ipc_space_max = SPACE_MAX;
ipc_port_max = PORT_MAX;
ipc_pset_max = SET_MAX;
semaphore_max = SEMAPHORE_MAX;
}
-
projects / apple / xnu.git / blobdiff