FreeBSD/Linux Kernel Cross Reference
sys/osfmk/ppc/machine_routines.h

     /*
      * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
      *
      * @APPLE_LICENSE_HEADER_START@
      * 
      * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
      * 
      * 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
     * 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_HEADER_END@
     */
    /*
     * @OSF_COPYRIGHT@
     */
    
    #ifndef _PPC_MACHINE_ROUTINES_H_
    #define _PPC_MACHINE_ROUTINES_H_
    
    #include <mach/mach_types.h>
    #include <mach/boolean.h>
    #include <kern/kern_types.h>
    #include <kern/sched_prim.h>
    #include <pexpert/pexpert.h>
    
    #include <sys/appleapiopts.h>
    
    /* 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);
    
    /* Generate a fake interrupt */
    void ml_cause_interrupt(void);
    
    /* Type for the IPI Hander */
    typedef void (*ipi_handler_t)(void);
    
    /* Type for the Time Base Enable function */
    typedef void (*time_base_enable_t)(cpu_id_t cpu_id, boolean_t enable);
    
    /* enables (or disables) the processor nap mode the function returns the previous value*/
    boolean_t ml_enable_nap(
            int target_cpu,
            boolean_t nap_enabled);
    
    /* Put the processor to sleep */
    void ml_ppc_sleep(void);
    void ml_get_timebase(unsigned long long *timstamp);
    void ml_sense__nmi(void);
    
    int ml_enable_cache_level(int cache_level, int enable);
    
    void ml_static_mfree(
            vm_offset_t,
            vm_size_t);
            
    /* Init 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);
    
    /* virtual to physical on wired pages */
    vm_offset_t ml_vtophys(
            vm_offset_t vaddr);
    
    /* PCI config cycle probing */
    boolean_t ml_probe_read(
            vm_offset_t paddr,
            unsigned int *val);
    boolean_t ml_probe_read_64(
            addr64_t paddr,
            unsigned int *val);
    
   /* Read physical address byte */
   unsigned int ml_phys_read_byte(
           vm_offset_t paddr);
   unsigned int ml_phys_read_byte_64(
           addr64_t paddr);
   
   /* Read physical address half word */
   unsigned int ml_phys_read_half(
           vm_offset_t paddr);
   unsigned int ml_phys_read_half_64(
           addr64_t paddr);
   
   /* Read physical address word*/
   unsigned int ml_phys_read(
           vm_offset_t paddr);
   unsigned int ml_phys_read_64(
           addr64_t paddr);
   unsigned int ml_phys_read_word(
           vm_offset_t paddr);
   unsigned int ml_phys_read_word_64(
           addr64_t paddr);
   
   /* Read physical address double word */
   unsigned long long ml_phys_read_double(
           vm_offset_t paddr);
   unsigned long long ml_phys_read_double_64(
           addr64_t paddr);
   
   /* Write physical address byte */
   void ml_phys_write_byte(
           vm_offset_t paddr, unsigned int data);
   void ml_phys_write_byte_64(
           addr64_t paddr, unsigned int data);
   
   /* Write physical address half word */
   void ml_phys_write_half(
           vm_offset_t paddr, unsigned int data);
   void ml_phys_write_half_64(
           addr64_t paddr, unsigned int data);
   
   /* Write physical address word */
   void ml_phys_write(
           vm_offset_t paddr, unsigned int data);
   void ml_phys_write_64(
           addr64_t paddr, unsigned int data);
   void ml_phys_write_word(
           vm_offset_t paddr, unsigned int data);
   void ml_phys_write_word_64(
           addr64_t paddr, unsigned int data);
   
   /* Write physical address double word */
   void ml_phys_write_double(
           vm_offset_t paddr, unsigned long long data);
   void ml_phys_write_double_64(
           addr64_t paddr, unsigned long long data);
   
   /* Struct for ml_processor_register */
   struct ml_processor_info {
           cpu_id_t                        cpu_id;
           boolean_t                       boot_cpu;
           vm_offset_t                     start_paddr;
           boolean_t                       supports_nap;
           unsigned long           l2cr_value;
           time_base_enable_t      time_base_enable;
   };
   
   typedef struct ml_processor_info ml_processor_info_t;
   
   /* Register a processor */
   kern_return_t ml_processor_register(
           ml_processor_info_t *processor_info,
           processor_t *processor,
           ipi_handler_t *ipi_handler);
   
   /* Zero bytes starting at a physical address */
   void bzero_phys(
           addr64_t phys_address,
           uint32_t length);
   
   #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 */
   
   #ifdef  MACH_KERNEL_PRIVATE
   void    ml_init_interrupt(void);
   
   boolean_t fake_get_interrupts_enabled(void);
   
   boolean_t fake_set_interrupts_enabled(
           boolean_t enable);
   
   void machine_idle(void);
   
   void machine_signal_idle(
           processor_t processor);
   
   void cacheInit(void);
   
   void cacheDisable(void);
   
   void ml_thrm_init(void);
   unsigned int ml_read_temp(void);
   
   void ml_thrm_set(       
           unsigned int low, 
           unsigned int high);
   
   unsigned int ml_throttle(
           unsigned int);
   
   #endif /* MACH_KERNEL_PRIVATE */
   
   void ml_thread_policy(
           thread_t thread,
           unsigned policy_id,
           unsigned policy_info);
   
   #define MACHINE_GROUP                           0x00000001
   #define MACHINE_NETWORK_GROUP           0x10000000 
   #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);
   
   /* Return the current number of CPUs */
   int ml_get_current_cpus(
           void);
   
   /* 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;
   };
   
   typedef struct ml_cpu_info ml_cpu_info_t;
   
   /* Get processor info */
   void ml_cpu_get_info(ml_cpu_info_t *cpu_info);
   
   void ml_set_processor_speed(unsigned long speed);
   void ml_set_processor_voltage(unsigned long voltage);
   
   #endif /* __APPLE_API_PRIVATE */
   
   #endif /* _PPC_MACHINE_ROUTINES_H_ */

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