#ifdef KERNEL_PRIVATE
#ifndef _I386AT_MP_H_
#define _I386AT_MP_H_
#ifndef DEBUG
#include <debug.h>
#endif
#include <i386/apic.h>
#include <i386/mp_events.h>
#define LAPIC_ID_MAX (LAPIC_ID_MASK)
#define MAX_CPUS (LAPIC_ID_MAX + 1)
#ifndef ASSEMBLER
#include <sys/cdefs.h>
#include <mach/boolean.h>
#include <mach/kern_return.h>
__BEGIN_DECLS
extern kern_return_t intel_startCPU(int slot_num);
extern void i386_init_slave(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
#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
#ifndef ASSEMBLER
#include <kern/lock.h>
extern unsigned int real_ncpus;
extern unsigned int max_ncpus;
decl_simple_lock_data(extern,kdb_lock)
__BEGIN_DECLS
extern void console_init(void);
extern void *console_cpu_alloc(boolean_t boot_cpu);
extern void console_cpu_free(void *console_buf);
extern int kdb_cpu;
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 void mp_kdp_exit(void);
extern void mp_rendezvous(void (*setup_func)(void *),
void (*action_func)(void *),
void (*teardown_func)(void *),
void *arg);
__END_DECLS
#if MP_DEBUG
typedef struct {
uint64_t time;
int cpu;
mp_event_t event;
} cpu_signal_event_t;
#define LOG_NENTRIES 100
typedef struct {
uint64_t count[MP_LAST];
int next_entry;
cpu_signal_event_t entry[LOG_NENTRIES];
} cpu_signal_event_log_t;
extern cpu_signal_event_log_t *cpu_signal[];
extern cpu_signal_event_log_t *cpu_handle[];
#define DBGLOG(log,_cpu,_event) { \
boolean_t spl = ml_set_interrupts_enabled(FALSE); \
cpu_signal_event_log_t *logp = log[cpu_number()]; \
int next = logp->next_entry; \
cpu_signal_event_t *eventp = &logp->entry[next]; \
\
logp->count[_event]++; \
\
eventp->time = rdtsc64(); \
eventp->cpu = _cpu; \
eventp->event = _event; \
if (next == (LOG_NENTRIES - 1)) \
logp->next_entry = 0; \
else \
logp->next_entry++; \
\
(void) ml_set_interrupts_enabled(spl); \
}
#define DBGLOG_CPU_INIT(cpu) { \
cpu_signal_event_log_t **sig_logpp = &cpu_signal[cpu]; \
cpu_signal_event_log_t **hdl_logpp = &cpu_handle[cpu]; \
\
if (*sig_logpp == NULL && \
kmem_alloc(kernel_map, \
(vm_offset_t *) sig_logpp, \
sizeof(cpu_signal_event_log_t)) != KERN_SUCCESS)\
panic("DBGLOG_CPU_INIT cpu_signal allocation failed\n");\
bzero(*sig_logpp, sizeof(cpu_signal_event_log_t)); \
if (*hdl_logpp == NULL && \
kmem_alloc(kernel_map, \
(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)); \
}
#else
#define DBGLOG(log,_cpu,_event)
#define DBGLOG_CPU_INIT(cpu)
#endif
#endif
#define i_bit(bit, word) ((long)(*(word)) & ((long)1 << (bit)))
#define MP_DEV_OP_MAX 4
#define MP_DEV_WAIT MP_DEV_OP_MAX
#define MP_DEV_OP_START 0
#define MP_DEV_OP_INTR 1
#define MP_DEV_OP_TIMEO 2
#define MP_DEV_OP_CALLB 3
#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
#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
#else
#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
#endif
#endif