X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/8ad349bb6ed4a0be06e34c92be0d98b92e078db4..6d2010ae8f7a6078e10b361c6962983bab233e0f:/osfmk/i386/machine_routines.h?ds=sidebyside diff --git a/osfmk/i386/machine_routines.h b/osfmk/i386/machine_routines.h index 8ce04a8da..42f77f6c4 100644 --- a/osfmk/i386/machine_routines.h +++ b/osfmk/i386/machine_routines.h @@ -1,31 +1,29 @@ /* - * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2009 Apple Inc. All rights reserved. * - * @APPLE_LICENSE_OSREFERENCE_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. 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 - * 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 + * 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. 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 + * 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. - * - * @APPLE_LICENSE_OSREFERENCE_HEADER_END@ + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * @OSF_COPYRIGHT@ @@ -44,24 +42,101 @@ __BEGIN_DECLS -/* Interrupt handling */ +#ifdef XNU_KERNEL_PRIVATE -/* Initialize Interrupts */ -void ml_init_interrupt(void); +/* are we a 64 bit platform ? */ -/* Get Interrupts Enabled */ -boolean_t ml_get_interrupts_enabled(void); +boolean_t ml_is64bit(void); -/* Set Interrupts Enabled */ -boolean_t ml_set_interrupts_enabled(boolean_t enable); +/* is this a 64bit thread? */ -/* Check if running at interrupt context */ -boolean_t ml_at_interrupt_context(void); +boolean_t ml_thread_is64bit(thread_t); + +/* is this a 64bit thread? */ + +boolean_t ml_state_is64bit(void *); + +/* set state of fpu save area for signal handling */ + +void ml_fp_setvalid(boolean_t); + +void ml_cpu_set_ldt(int); + +/* Interrupt handling */ + +/* Initialize Interrupts */ +void ml_init_interrupt(void); /* Generate a fake interrupt */ void ml_cause_interrupt(void); +/* Initialize Interrupts */ +void ml_install_interrupt_handler( + void *nub, + int source, + void *target, + IOInterruptHandler handler, + void *refCon); + void ml_get_timebase(unsigned long long *timestamp); +void ml_init_lock_timeout(void); + +vm_offset_t +ml_static_ptovirt( + vm_offset_t); + +void ml_static_mfree( + vm_offset_t, + vm_size_t); + +/* boot memory allocation */ +vm_offset_t ml_static_malloc( + vm_size_t size); + +/* virtual to physical on wired pages */ +vm_offset_t ml_vtophys( + vm_offset_t vaddr); + +vm_size_t ml_nofault_copy( + vm_offset_t virtsrc, vm_offset_t virtdst, vm_size_t size); + +/* Machine topology info */ +uint64_t ml_cpu_cache_size(unsigned int level); +uint64_t ml_cpu_cache_sharing(unsigned int level); + +/* Initialize the maximum number of CPUs */ +void ml_init_max_cpus( + unsigned long max_cpus); + +extern void ml_cpu_up(void); +extern void ml_cpu_down(void); + +void bzero_phys_nc( + addr64_t phys_address, + uint32_t length); + +#if defined(PEXPERT_KERNEL_PRIVATE) || defined(MACH_KERNEL_PRIVATE) +/* IO memory map services */ + +/* Map memory map IO space */ +vm_offset_t ml_io_map( + vm_offset_t phys_addr, + vm_size_t size); + + +void ml_get_bouncepool_info( + vm_offset_t *phys_addr, + vm_size_t *size); +/* Indicates if spinlock, IPI and other timeouts should be suspended */ +boolean_t machine_timeout_suspended(void); +#endif /* PEXPERT_KERNEL_PRIVATE || MACH_KERNEL_PRIVATE */ + +/* Warm up a CPU to receive an interrupt */ +kern_return_t ml_interrupt_prewarm(uint64_t deadline); + +#endif /* XNU_KERNEL_PRIVATE */ + +#ifdef KERNEL_PRIVATE /* Type for the Time Base Enable function */ typedef void (*time_base_enable_t)(cpu_id_t cpu_id, boolean_t enable); @@ -83,25 +158,13 @@ typedef struct ml_processor_info ml_processor_info_t; /* Register a processor */ -kern_return_t ml_processor_register( - cpu_id_t cpu_id, - uint32_t lapic_id, - processor_t *processor, - ipi_handler_t *ipi_handler, - boolean_t boot_cpu); - -/* Initialize Interrupts */ -void ml_install_interrupt_handler( - void *nub, - int source, - void *target, - IOInterruptHandler handler, - void *refCon); - -#ifdef __APPLE_API_UNSTABLE -vm_offset_t -ml_static_ptovirt( - vm_offset_t); +kern_return_t +ml_processor_register( + cpu_id_t cpu_id, + uint32_t lapic_id, + processor_t *processor_out, + boolean_t boot_cpu, + boolean_t start ); /* PCI config cycle probing */ boolean_t ml_probe_read( @@ -167,24 +230,16 @@ void ml_phys_write_double( void ml_phys_write_double_64( addr64_t paddr, unsigned long long data); -void ml_static_mfree( - vm_offset_t, - vm_size_t); - -/* virtual to physical on wired pages */ -vm_offset_t ml_vtophys( - vm_offset_t vaddr); - /* Struct for ml_cpu_get_info */ struct ml_cpu_info { - unsigned long vector_unit; - unsigned long cache_line_size; - unsigned long l1_icache_size; - unsigned long l1_dcache_size; - unsigned long l2_settings; - unsigned long l2_cache_size; - unsigned long l3_settings; - unsigned long l3_cache_size; + uint32_t vector_unit; + uint32_t cache_line_size; + uint32_t l1_icache_size; + uint32_t l1_dcache_size; + uint32_t l2_settings; + uint32_t l2_cache_size; + uint32_t l3_settings; + uint32_t l3_cache_size; }; typedef struct ml_cpu_info ml_cpu_info_t; @@ -192,28 +247,6 @@ typedef struct ml_cpu_info ml_cpu_info_t; /* Get processor info */ void ml_cpu_get_info(ml_cpu_info_t *ml_cpu_info); -#endif /* __APPLE_API_UNSTABLE */ - -#ifdef __APPLE_API_PRIVATE -#if defined(PEXPERT_KERNEL_PRIVATE) || defined(MACH_KERNEL_PRIVATE) -/* IO memory map services */ - -/* Map memory map IO space */ -vm_offset_t ml_io_map( - vm_offset_t phys_addr, - vm_size_t size); - -/* boot memory allocation */ -vm_offset_t ml_static_malloc( - vm_size_t size); - -#endif /* PEXPERT_KERNEL_PRIVATE || MACH_KERNEL_PRIVATE */ - -/* Zero bytes starting at a physical address */ -void bzero_phys( - addr64_t phys_address, - uint32_t length); - void ml_thread_policy( thread_t thread, unsigned policy_id, @@ -224,23 +257,56 @@ void ml_thread_policy( #define MACHINE_NETWORK_WORKLOOP 0x00000001 #define MACHINE_NETWORK_NETISR 0x00000002 -/* Initialize the maximum number of CPUs */ -void ml_init_max_cpus( - unsigned long max_cpus); - /* Return the maximum number of CPUs set by ml_init_max_cpus() */ int ml_get_max_cpus( void); -extern void ml_cpu_up(void); -extern void ml_cpu_down(void); +/* + * The following are in pmCPU.c not machine_routines.c. + */ +extern void ml_set_maxsnoop(uint32_t maxdelay); +extern unsigned ml_get_maxsnoop(void); +extern void ml_set_maxbusdelay(uint32_t mdelay); +extern uint32_t ml_get_maxbusdelay(void); +extern void ml_set_maxintdelay(uint64_t mdelay); +extern uint64_t ml_get_maxintdelay(void); +extern boolean_t ml_get_interrupt_prewake_applicable(void); + + +extern uint64_t tmrCvt(uint64_t time, uint64_t conversion); -extern int set_be_bit(void); -extern int clr_be_bit(void); -extern int be_tracing(void); +extern uint64_t ml_cpu_int_event_time(void); -#endif /* __APPLE_API_PRIVATE */ +#endif /* KERNEL_PRIVATE */ + +/* Get Interrupts Enabled */ +boolean_t ml_get_interrupts_enabled(void); + +/* Set Interrupts Enabled */ +boolean_t ml_set_interrupts_enabled(boolean_t enable); + +/* Check if running at interrupt context */ +boolean_t ml_at_interrupt_context(void); + +/* Zero bytes starting at a physical address */ +void bzero_phys( + addr64_t phys_address, + uint32_t length); + +/* Bytes available on current stack */ +vm_offset_t ml_stack_remaining(void); + +#if CONFIG_COUNTERS +void ml_get_csw_threads(thread_t * /*old*/, thread_t * /*new*/); +#endif /* CONFIG_COUNTERS */ __END_DECLS +#ifdef XNU_KERNEL_PRIVATE +boolean_t ml_fpu_avx_enabled(void); +void interrupt_latency_tracker_setup(void); +void interrupt_reset_latency_stats(void); +void interrupt_populate_latency_stats(char *, unsigned); + +#endif /* XNU_KERNEL_PRIVATE */ #endif /* _I386_MACHINE_ROUTINES_H_ */