/*
- * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2012 Apple Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @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
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * 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
* Please see the License for the specific language governing rights and
* limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* @OSF_COPYRIGHT@
*/
#ifdef KERNEL_PRIVATE
-#ifndef _I386AT_MP_H_
-#define _I386AT_MP_H_
+#ifndef _I386_MP_H_
+#define _I386_MP_H_
-#ifndef DEBUG
-#include <debug.h>
-#endif
//#define MP_DEBUG 1
#include <i386/apic.h>
#include <i386/mp_events.h>
-#define LAPIC_ID_MAX (LAPIC_ID_MASK)
-
-#define MAX_CPUS (LAPIC_ID_MAX + 1)
+#define MAX_CPUS 64 /* 8 * sizeof(cpumask_t) */
#ifndef ASSEMBLER
+#include <stdint.h>
#include <sys/cdefs.h>
#include <mach/boolean.h>
#include <mach/kern_return.h>
+#include <mach/i386/thread_status.h>
+#include <mach/vm_types.h>
+#include <kern/simple_lock.h>
__BEGIN_DECLS
extern kern_return_t intel_startCPU(int slot_num);
+extern kern_return_t intel_startCPU_fast(int slot_num);
extern void i386_init_slave(void);
+extern void i386_init_slave_fast(void);
extern void smp_init(void);
extern void cpu_interrupt(int cpu);
-
-extern void lapic_init(void);
-extern void lapic_shutdown(void);
-extern void lapic_smm_restore(void);
-extern boolean_t lapic_probe(void);
-extern void lapic_dump(void);
-extern int lapic_interrupt(int interrupt, void *state);
-extern void lapic_end_of_interrupt(void);
-extern int lapic_to_cpu[];
-extern int cpu_to_lapic[];
-extern int lapic_interrupt_base;
-extern void lapic_cpu_map(int lapic, int cpu_num);
-
-extern void lapic_set_timer(
- boolean_t interrupt,
- lapic_timer_mode_t mode,
- lapic_timer_divide_t divisor,
- lapic_timer_count_t initial_count);
-
-extern void lapic_get_timer(
- lapic_timer_mode_t *mode,
- lapic_timer_divide_t *divisor,
- lapic_timer_count_t *initial_count,
- lapic_timer_count_t *current_count);
-
-typedef void (*i386_intr_func_t)(void *);
-extern void lapic_set_timer_func(i386_intr_func_t func);
-extern void lapic_set_pmi_func(i386_intr_func_t func);
-
__END_DECLS
-#endif /* ASSEMBLER */
-
-#define CPU_NUMBER(r) \
- movl %gs:CPU_NUMBER_GS,r
-
-#define CPU_NUMBER_FROM_LAPIC(r) \
- movl EXT(lapic_id),r; \
- movl 0(r),r; \
- shrl $(LAPIC_ID_SHIFT),r; \
- andl $(LAPIC_ID_MASK),r; \
- movl EXT(lapic_to_cpu)(,r,4),r
-
-
-/* word describing the reason for the interrupt, one per cpu */
-
-#ifndef ASSEMBLER
-#include <kern/lock.h>
-
extern unsigned int real_ncpus; /* real number of cpus */
extern unsigned int max_ncpus; /* max number of cpus */
decl_simple_lock_data(extern,kdb_lock) /* kdb lock */
extern int kdb_cpu; /* current cpu running kdb */
extern int kdb_debug;
-extern int kdb_is_slave[];
extern int kdb_active[];
extern volatile boolean_t mp_kdp_trap;
-extern void mp_kdp_enter(void);
+extern volatile boolean_t mp_kdp_is_NMI;
+extern volatile boolean_t force_immediate_debugger_NMI;
+extern volatile boolean_t pmap_tlb_flush_timeout;
+extern volatile usimple_lock_t spinlock_timed_out;
+extern volatile uint32_t spinlock_owner_cpu;
+extern uint32_t spinlock_timeout_NMI(uintptr_t thread_addr);
+
+extern uint64_t LastDebuggerEntryAllowance;
+
+extern void mp_kdp_enter(boolean_t proceed_on_failure);
extern void mp_kdp_exit(void);
+extern boolean_t mp_recent_debugger_activity(void);
+extern void kernel_spin(uint64_t spin_ns);
+
/*
* All cpu rendezvous:
*/
-extern void mp_rendezvous(void (*setup_func)(void *),
- void (*action_func)(void *),
- void (*teardown_func)(void *),
- void *arg);
+extern void mp_rendezvous(
+ void (*setup_func)(void *),
+ void (*action_func)(void *),
+ void (*teardown_func)(void *),
+ void *arg);
+extern void mp_rendezvous_no_intrs(
+ void (*action_func)(void *),
+ void *arg);
+extern void mp_rendezvous_break_lock(void);
+
+/*
+ * All cpu broadcast.
+ * Called from thread context, this blocks until all active cpus have
+ * run action_func:
+ */
+extern void mp_broadcast(
+ void (*action_func)(void *),
+ void *arg);
+#if MACH_KDP
+typedef long (*kdp_x86_xcpu_func_t) (void *arg0, void *arg1, uint16_t lcpu);
+
+extern long kdp_x86_xcpu_invoke(const uint16_t lcpu,
+ kdp_x86_xcpu_func_t func,
+ void *arg0, void *arg1);
+typedef enum {KDP_XCPU_NONE = 0xffff, KDP_CURRENT_LCPU = 0xfffe} kdp_cpu_t;
+#endif
+
+typedef uint32_t cpu_t;
+typedef volatile uint64_t cpumask_t;
+static inline cpumask_t
+cpu_to_cpumask(cpu_t cpu)
+{
+ return (cpu < MAX_CPUS) ? (1ULL << cpu) : 0;
+}
+#define CPUMASK_ALL 0xffffffffffffffffULL
+#define CPUMASK_SELF cpu_to_cpumask(cpu_number())
+#define CPUMASK_OTHERS (CPUMASK_ALL & ~CPUMASK_SELF)
+
+/* Initialation routing called at processor registration */
+extern void mp_cpus_call_cpu_init(int cpu);
+
+/*
+ * Invoke a function (possibly NULL) on a set of cpus specified by a mask.
+ * The mask may include the local cpu.
+ * If the mode is:
+ * - ASYNC: other cpus make their calls in parallel
+ * - SYNC: the calls are performed serially in logical cpu order
+ * - NOSYNC: the calls are queued
+ * Unless the mode is NOSYNC, mp_cpus_call() returns when the function has been
+ * called on all specified cpus.
+ * The return value is the number of cpus where the call was made or queued.
+ * The action function is called with interrupts disabled.
+ */
+extern cpu_t mp_cpus_call(
+ cpumask_t cpus,
+ mp_sync_t mode,
+ void (*action_func)(void *),
+ void *arg);
+extern cpu_t mp_cpus_call1(
+ cpumask_t cpus,
+ mp_sync_t mode,
+ void (*action_func)(void *, void*),
+ void *arg0,
+ void *arg1,
+ cpumask_t *cpus_calledp);
+
+typedef enum {
+ NONE = 0,
+ SPINLOCK_TIMEOUT,
+ TLB_FLUSH_TIMEOUT,
+ CROSSCALL_TIMEOUT,
+ INTERRUPT_WATCHDOG
+} NMI_reason_t;
+extern void NMIPI_panic(cpumask_t cpus, NMI_reason_t reason);
+
+/* Interrupt a set of cpus, forcing an exit out of non-root mode */
+extern void mp_cpus_kick(cpumask_t cpus);
+/*
+ * Power-management-specific SPI to:
+ * - register a callout function, and
+ * - request the callout (if registered) on a given cpu.
+ */
+extern void PM_interrupt_register(void (*fn)(void));
+extern void cpu_PM_interrupt(int cpu);
__END_DECLS
(vm_offset_t *) hdl_logpp, \
sizeof(cpu_signal_event_log_t)) != KERN_SUCCESS)\
panic("DBGLOG_CPU_INIT cpu_handle allocation failed\n");\
- bzero(*sig_logpp, sizeof(cpu_signal_event_log_t)); \
+ bzero(*hdl_logpp, sizeof(cpu_signal_event_log_t)); \
}
#else /* MP_DEBUG */
#define DBGLOG(log,_cpu,_event)
#endif /* ASSEMBLER */
-#define i_bit(bit, word) ((long)(*(word)) & ((long)1 << (bit)))
-
-
-/*
- * Device driver synchronization.
- *
- * at386_io_lock(op) and at386_io_unlock() are called
- * by device drivers when accessing H/W. The underlying
- * Processing is machine dependant. But the op argument
- * to the at386_io_lock is generic
- */
-
-#define MP_DEV_OP_MAX 4
-#define MP_DEV_WAIT MP_DEV_OP_MAX /* Wait for the lock */
+#ifdef ASSEMBLER
+#define i_bit(bit, word) ((long)(*(word)) & (1L << (bit)))
+#else
+__attribute__((always_inline)) static inline long
+i_bit_impl(long word, long bit) {
+ long bitmask = 1L << bit;
+ return word & bitmask;
+}
+#define i_bit(bit, word) i_bit_impl((long)(*(word)), bit)
+#endif
-/*
- * If the caller specifies an op value different than MP_DEV_WAIT, the
- * at386_io_lock function must return true if lock was successful else
- * false
- */
-#define MP_DEV_OP_START 0 /* If lock busy, register a pending start op */
-#define MP_DEV_OP_INTR 1 /* If lock busy, register a pending intr */
-#define MP_DEV_OP_TIMEO 2 /* If lock busy, register a pending timeout */
-#define MP_DEV_OP_CALLB 3 /* If lock busy, register a pending callback */
-
-#if MACH_RT
-#define _DISABLE_PREEMPTION \
- incl %gs:CPU_PREEMPTION_LEVEL
-
-#define _ENABLE_PREEMPTION \
- decl %gs:CPU_PREEMPTION_LEVEL ; \
- jne 9f ; \
- pushl %eax ; \
- pushl %ecx ; \
- pushl %edx ; \
- call EXT(kernel_preempt_check) ; \
- popl %edx ; \
- popl %ecx ; \
- popl %eax ; \
-9:
-
-#define _ENABLE_PREEMPTION_NO_CHECK \
- decl %gs:CPU_PREEMPTION_LEVEL
-
-#if MACH_ASSERT
-#define DISABLE_PREEMPTION \
- pushl %eax; \
- pushl %ecx; \
- pushl %edx; \
- call EXT(_disable_preemption); \
- popl %edx; \
- popl %ecx; \
- popl %eax
-#define ENABLE_PREEMPTION \
- pushl %eax; \
- pushl %ecx; \
- pushl %edx; \
- call EXT(_enable_preemption); \
- popl %edx; \
- popl %ecx; \
- popl %eax
-#define ENABLE_PREEMPTION_NO_CHECK \
- pushl %eax; \
- pushl %ecx; \
- pushl %edx; \
- call EXT(_enable_preemption_no_check); \
- popl %edx; \
- popl %ecx; \
- popl %eax
-#define MP_DISABLE_PREEMPTION \
- pushl %eax; \
- pushl %ecx; \
- pushl %edx; \
- call EXT(_mp_disable_preemption); \
- popl %edx; \
- popl %ecx; \
- popl %eax
-#define MP_ENABLE_PREEMPTION \
- pushl %eax; \
- pushl %ecx; \
- pushl %edx; \
- call EXT(_mp_enable_preemption); \
- popl %edx; \
- popl %ecx; \
- popl %eax
-#define MP_ENABLE_PREEMPTION_NO_CHECK \
- pushl %eax; \
- pushl %ecx; \
- pushl %edx; \
- call EXT(_mp_enable_preemption_no_check); \
- popl %edx; \
- popl %ecx; \
- popl %eax
-#else /* MACH_ASSERT */
-#define DISABLE_PREEMPTION _DISABLE_PREEMPTION
-#define ENABLE_PREEMPTION _ENABLE_PREEMPTION
-#define ENABLE_PREEMPTION_NO_CHECK _ENABLE_PREEMPTION_NO_CHECK
-#define MP_DISABLE_PREEMPTION _DISABLE_PREEMPTION
-#define MP_ENABLE_PREEMPTION _ENABLE_PREEMPTION
-#define MP_ENABLE_PREEMPTION_NO_CHECK _ENABLE_PREEMPTION_NO_CHECK
-#endif /* MACH_ASSERT */
-
-#else /* MACH_RT */
-#define DISABLE_PREEMPTION
-#define ENABLE_PREEMPTION
-#define ENABLE_PREEMPTION_NO_CHECK
-#define MP_DISABLE_PREEMPTION
-#define MP_ENABLE_PREEMPTION
-#define MP_ENABLE_PREEMPTION_NO_CHECK
-#endif /* MACH_RT */
-
-#endif /* _I386AT_MP_H_ */
+#endif /* _I386_MP_H_ */
#endif /* KERNEL_PRIVATE */
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