X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/55e303ae13a4cf49d70f2294092726f2fffb9ef2..91447636331957f3d9b5ca5b508f07c526b0074d:/osfmk/i386/mp.h?ds=sidebyside diff --git a/osfmk/i386/mp.h b/osfmk/i386/mp.h index 091347ad3..6863b946f 100644 --- a/osfmk/i386/mp.h +++ b/osfmk/i386/mp.h @@ -1,24 +1,21 @@ /* - * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * - * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. + * The contents of this file constitute Original Code as defined in and + * are subject to the Apple Public Source License Version 1.1 (the + * "License"). You may not use this file except in compliance with the + * License. Please obtain a copy of the License at + * http://www.apple.com/publicsource and read it before using this file. * - * 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. - * - * The Original Code and all software distributed under the License are - * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * This 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, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, - * 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. + * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the + * License for the specific language governing rights and limitations + * under the License. * * @APPLE_LICENSE_HEADER_END@ */ @@ -53,41 +50,72 @@ /* */ +#ifdef KERNEL_PRIVATE #ifndef _I386AT_MP_H_ #define _I386AT_MP_H_ -#if !defined(NCPUS) -#include -#endif /* !defined(NCPUS) */ - -#if NCPUS > 1 - #ifndef DEBUG #include #endif -#if DEBUG -#define MP_DEBUG 1 -#endif +//#define MP_DEBUG 1 #include #include -#define SPURIOUS_INTERRUPT 0xDD -#define INTERPROCESS_INTERRUPT 0xDE -#define APIC_ERROR_INTERRUPT 0xDF +#define LAPIC_ID_MAX (LAPIC_ID_MASK) -#define LAPIC_ID_MAX (LAPIC_ID_MASK) +#define MAX_CPUS (LAPIC_ID_MAX + 1) #ifndef ASSEMBLER +#include +#include +#include + +__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 void lapic_interrupt(int interrupt, void *state); +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; \ @@ -95,16 +123,20 @@ extern void lapic_cpu_map(int lapic, int cpu_num); movl EXT(lapic_to_cpu)(,r,4),r -#define MP_IPL SPL6 /* software interrupt level */ - /* word describing the reason for the interrupt, one per cpu */ #ifndef ASSEMBLER #include -extern int real_ncpus; /* real number of cpus */ -extern int wncpu; /* wanted number of cpus */ + +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 */ -decl_simple_lock_data(extern,mp_putc_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; /* current cpu running kdb */ extern int kdb_debug; @@ -112,8 +144,8 @@ extern int kdb_is_slave[]; extern int kdb_active[]; extern volatile boolean_t mp_kdp_trap; -extern void mp_trap_enter(); -extern void mp_trap_exit(); +extern void mp_kdp_enter(void); +extern void mp_kdp_exit(void); /* * All cpu rendezvous: @@ -123,6 +155,8 @@ extern void mp_rendezvous(void (*setup_func)(void *), void (*teardown_func)(void *), void *arg); +__END_DECLS + #if MP_DEBUG typedef struct { uint64_t time; @@ -137,14 +171,14 @@ typedef struct { cpu_signal_event_t entry[LOG_NENTRIES]; } cpu_signal_event_log_t; -extern cpu_signal_event_log_t cpu_signal[NCPUS]; -extern cpu_signal_event_log_t cpu_handle[NCPUS]; +extern cpu_signal_event_log_t *cpu_signal[]; +extern cpu_signal_event_log_t *cpu_handle[]; #define DBGLOG(log,_cpu,_event) { \ - cpu_signal_event_log_t *logp = &log[cpu_number()]; \ + 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]; \ - boolean_t spl = ml_set_interrupts_enabled(FALSE); \ \ logp->count[_event]++; \ \ @@ -158,8 +192,27 @@ extern cpu_signal_event_log_t cpu_handle[NCPUS]; \ (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 /* MP_DEBUG */ #define DBGLOG(log,_cpu,_event) +#define DBGLOG_CPU_INIT(cpu) #endif /* MP_DEBUG */ #endif /* ASSEMBLER */ @@ -190,23 +243,12 @@ extern cpu_signal_event_log_t cpu_handle[NCPUS]; #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 */ -#else /* NCPUS > 1 */ -#define at386_io_lock_state() -#define at386_io_lock(op) (TRUE) -#define at386_io_unlock() -#define mp_trap_enter() -#define mp_trap_exit() -#include -#endif /* NCPUS > 1 */ - #if MACH_RT -#define _DISABLE_PREEMPTION(r) \ - movl $ CPD_PREEMPTION_LEVEL,r ; \ - incl %gs:(r) +#define _DISABLE_PREEMPTION \ + incl %gs:CPU_PREEMPTION_LEVEL -#define _ENABLE_PREEMPTION(r) \ - movl $ CPD_PREEMPTION_LEVEL,r ; \ - decl %gs:(r) ; \ +#define _ENABLE_PREEMPTION \ + decl %gs:CPU_PREEMPTION_LEVEL ; \ jne 9f ; \ pushl %eax ; \ pushl %ecx ; \ @@ -217,12 +259,11 @@ extern cpu_signal_event_log_t cpu_handle[NCPUS]; popl %eax ; \ 9: -#define _ENABLE_PREEMPTION_NO_CHECK(r) \ - movl $ CPD_PREEMPTION_LEVEL,r ; \ - decl %gs:(r) +#define _ENABLE_PREEMPTION_NO_CHECK \ + decl %gs:CPU_PREEMPTION_LEVEL #if MACH_ASSERT -#define DISABLE_PREEMPTION(r) \ +#define DISABLE_PREEMPTION \ pushl %eax; \ pushl %ecx; \ pushl %edx; \ @@ -230,7 +271,7 @@ extern cpu_signal_event_log_t cpu_handle[NCPUS]; popl %edx; \ popl %ecx; \ popl %eax -#define ENABLE_PREEMPTION(r) \ +#define ENABLE_PREEMPTION \ pushl %eax; \ pushl %ecx; \ pushl %edx; \ @@ -238,7 +279,7 @@ extern cpu_signal_event_log_t cpu_handle[NCPUS]; popl %edx; \ popl %ecx; \ popl %eax -#define ENABLE_PREEMPTION_NO_CHECK(r) \ +#define ENABLE_PREEMPTION_NO_CHECK \ pushl %eax; \ pushl %ecx; \ pushl %edx; \ @@ -246,8 +287,7 @@ extern cpu_signal_event_log_t cpu_handle[NCPUS]; popl %edx; \ popl %ecx; \ popl %eax -#if NCPUS > 1 -#define MP_DISABLE_PREEMPTION(r) \ +#define MP_DISABLE_PREEMPTION \ pushl %eax; \ pushl %ecx; \ pushl %edx; \ @@ -255,7 +295,7 @@ extern cpu_signal_event_log_t cpu_handle[NCPUS]; popl %edx; \ popl %ecx; \ popl %eax -#define MP_ENABLE_PREEMPTION(r) \ +#define MP_ENABLE_PREEMPTION \ pushl %eax; \ pushl %ecx; \ pushl %edx; \ @@ -263,7 +303,7 @@ extern cpu_signal_event_log_t cpu_handle[NCPUS]; popl %edx; \ popl %ecx; \ popl %eax -#define MP_ENABLE_PREEMPTION_NO_CHECK(r) \ +#define MP_ENABLE_PREEMPTION_NO_CHECK \ pushl %eax; \ pushl %ecx; \ pushl %edx; \ @@ -271,33 +311,24 @@ extern cpu_signal_event_log_t cpu_handle[NCPUS]; popl %edx; \ popl %ecx; \ popl %eax -#else /* NCPUS > 1 */ -#define MP_DISABLE_PREEMPTION(r) -#define MP_ENABLE_PREEMPTION(r) -#define MP_ENABLE_PREEMPTION_NO_CHECK(r) -#endif /* NCPUS > 1 */ #else /* MACH_ASSERT */ -#define DISABLE_PREEMPTION(r) _DISABLE_PREEMPTION(r) -#define ENABLE_PREEMPTION(r) _ENABLE_PREEMPTION(r) -#define ENABLE_PREEMPTION_NO_CHECK(r) _ENABLE_PREEMPTION_NO_CHECK(r) -#if NCPUS > 1 -#define MP_DISABLE_PREEMPTION(r) _DISABLE_PREEMPTION(r) -#define MP_ENABLE_PREEMPTION(r) _ENABLE_PREEMPTION(r) -#define MP_ENABLE_PREEMPTION_NO_CHECK(r) _ENABLE_PREEMPTION_NO_CHECK(r) -#else /* NCPUS > 1 */ -#define MP_DISABLE_PREEMPTION(r) -#define MP_ENABLE_PREEMPTION(r) -#define MP_ENABLE_PREEMPTION_NO_CHECK(r) -#endif /* NCPUS > 1 */ +#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(r) -#define ENABLE_PREEMPTION(r) -#define ENABLE_PREEMPTION_NO_CHECK(r) -#define MP_DISABLE_PREEMPTION(r) -#define MP_ENABLE_PREEMPTION(r) -#define MP_ENABLE_PREEMPTION_NO_CHECK(r) +#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 /* KERNEL_PRIVATE */