xnu-1699.26.8.tar.gz

[apple/xnu.git] / osfmk / i386 / cpu_data.h

diff --git a/osfmk/i386/cpu_data.h b/osfmk/i386/cpu_data.h
index e41f6b8cd9e936d18870a1eb620ea04fef88f2a9..22de8b2b002ea429d3f43ac15f919ee0faef4ec0 100644 (file)
--- a/osfmk/i386/cpu_data.h
+++ b/osfmk/i386/cpu_data.h
@@ -35,19 +35,23 @@
 
 #include <mach_assert.h>
 
 
 #include <mach_assert.h>
 

-#if    defined(__GNUC__)
-

 #include <kern/assert.h>
 #include <kern/kern_types.h>
 #include <kern/assert.h>
 #include <kern/kern_types.h>

+#include <kern/queue.h>

 #include <kern/processor.h>
 #include <kern/pms.h>
 #include <pexpert/pexpert.h>
 #include <mach/i386/thread_status.h>
 #include <kern/processor.h>
 #include <kern/pms.h>
 #include <pexpert/pexpert.h>
 #include <mach/i386/thread_status.h>

-#include <i386/rtclock.h>
+#include <mach/i386/vm_param.h>
+#include <i386/rtclock_protos.h>

 #include <i386/pmCPU.h>
 #include <i386/cpu_topology.h>
 
 #include <i386/pmCPU.h>
 #include <i386/cpu_topology.h>
 

+#if CONFIG_VMX

 #include <i386/vmx/vmx_cpu.h>
 #include <i386/vmx/vmx_cpu.h>

+#endif
+
+#include <machine/pal_routines.h>

 
 /*
  * Data structures referenced (anonymously) from per-cpu data:
 
 /*
  * Data structures referenced (anonymously) from per-cpu data:


@@ -56,27 +60,30 @@ struct cpu_cons_buffer;
 struct cpu_desc_table;
 struct mca_state;
 
 struct cpu_desc_table;
 struct mca_state;
 

-

 /*
  * Data structures embedded in per-cpu data:
  */
 typedef struct rtclock_timer {
 /*
  * Data structures embedded in per-cpu data:
  */
 typedef struct rtclock_timer {

-       queue_head_t    queue;
+       mpqueue_head_t          queue;

        uint64_t                deadline;
        uint64_t                deadline;

-       boolean_t               is_set;
+       uint64_t                when_set;

        boolean_t               has_expired;
 } rtclock_timer_t;
 
 
        boolean_t               has_expired;
 } rtclock_timer_t;
 
 

+#if defined(__i386__)
+

 typedef struct {
        struct i386_tss         *cdi_ktss;
 #if    MACH_KDB
        struct i386_tss         *cdi_dbtss;
 #endif /* MACH_KDB */
 typedef struct {
        struct i386_tss         *cdi_ktss;
 #if    MACH_KDB
        struct i386_tss         *cdi_dbtss;
 #endif /* MACH_KDB */

-       struct fake_descriptor  *cdi_gdt;
-       struct fake_descriptor  *cdi_idt;
-       struct fake_descriptor  *cdi_ldt;
-       vm_offset_t             cdi_sstk;
+       struct __attribute__((packed)) {
+               uint16_t size;
+               struct fake_descriptor *ptr;
+       } cdi_gdt, cdi_idt;
+       struct fake_descriptor  *cdi_ldt;
+       vm_offset_t                             cdi_sstk;

 } cpu_desc_index_t;
 
 typedef enum {
 } cpu_desc_index_t;
 
 typedef enum {


@@ -85,6 +92,31 @@ typedef enum {
        TASK_MAP_64BIT_SHARED           /* 64-bit, kernel-shared addr space */
 } task_map_t;
 
        TASK_MAP_64BIT_SHARED           /* 64-bit, kernel-shared addr space */
 } task_map_t;
 

+#elif defined(__x86_64__)
+
+
+typedef struct {
+       struct x86_64_tss               *cdi_ktss;
+#if    MACH_KDB
+       struct x86_64_tss               *cdi_dbtss;
+#endif /* MACH_KDB */
+       struct __attribute__((packed)) {
+               uint16_t size;
+               void *ptr;
+       } cdi_gdt, cdi_idt;
+       struct fake_descriptor  *cdi_ldt;
+       vm_offset_t                             cdi_sstk;
+} cpu_desc_index_t;
+
+typedef enum {
+       TASK_MAP_32BIT,                 /* 32-bit user, compatibility mode */ 
+       TASK_MAP_64BIT,                 /* 64-bit user thread, shared space */ 
+} task_map_t;
+
+#else
+#error Unsupported architecture
+#endif
+

 /*
  * This structure is used on entry into the (uber-)kernel on syscall from
  * a 64-bit user. It contains the address of the machine state save area
 /*
  * This structure is used on entry into the (uber-)kernel on syscall from
  * a 64-bit user. It contains the address of the machine state save area


@@ -94,9 +126,11 @@ typedef enum {
 typedef struct {
        addr64_t        cu_isf;         /* thread->pcb->iss.isf */
        uint64_t        cu_tmp;         /* temporary scratch */ 
 typedef struct {
        addr64_t        cu_isf;         /* thread->pcb->iss.isf */
        uint64_t        cu_tmp;         /* temporary scratch */ 

-        addr64_t       cu_user_gs_base;
+       addr64_t        cu_user_gs_base;

 } cpu_uber_t;
 
 } cpu_uber_t;
 

+typedef        uint16_t        pcid_t;
+typedef        uint8_t         pcid_ref_t;

 /*
  * Per-cpu data.
  *
 /*
  * Per-cpu data.
  *


@@ -112,19 +146,23 @@ typedef struct {
  */
 typedef struct cpu_data
 {
  */
 typedef struct cpu_data
 {

+       struct pal_cpu_data     cpu_pal_data;           /* PAL-specific data */
+#define                                cpu_pd cpu_pal_data     /* convenience alias */

        struct cpu_data         *cpu_this;              /* pointer to myself */
        thread_t                cpu_active_thread;
        struct cpu_data         *cpu_this;              /* pointer to myself */
        thread_t                cpu_active_thread;

+       int                     cpu_preemption_level;
+       int                     cpu_number;             /* Logical CPU */

        void                    *cpu_int_state;         /* interrupt state */
        vm_offset_t             cpu_active_stack;       /* kernel stack base */
        vm_offset_t             cpu_kernel_stack;       /* kernel stack top */
        vm_offset_t             cpu_int_stack_top;
        void                    *cpu_int_state;         /* interrupt state */
        vm_offset_t             cpu_active_stack;       /* kernel stack base */
        vm_offset_t             cpu_kernel_stack;       /* kernel stack top */
        vm_offset_t             cpu_int_stack_top;

-       int                     cpu_preemption_level;
-       int                     cpu_simple_lock_count;

        int                     cpu_interrupt_level;
        int                     cpu_interrupt_level;

-       int                     cpu_number;             /* Logical CPU */

        int                     cpu_phys_number;        /* Physical CPU */
        cpu_id_t                cpu_id;                 /* Platform Expert */
        int                     cpu_signals;            /* IPI events */
        int                     cpu_phys_number;        /* Physical CPU */
        cpu_id_t                cpu_id;                 /* Platform Expert */
        int                     cpu_signals;            /* IPI events */

+       int                     cpu_prior_signals;      /* Last set of events,
+                                                        * debugging
+                                                        */

        int                     cpu_mcount_off;         /* mcount recursion */
        ast_t                   cpu_pending_ast;
        int                     cpu_type;
        int                     cpu_mcount_off;         /* mcount recursion */
        ast_t                   cpu_pending_ast;
        int                     cpu_type;


@@ -133,16 +171,25 @@ typedef struct cpu_data
        int                     cpu_running;
        rtclock_timer_t         rtclock_timer;
        boolean_t               cpu_is64bit;
        int                     cpu_running;
        rtclock_timer_t         rtclock_timer;
        boolean_t               cpu_is64bit;

-       task_map_t              cpu_task_map;
-       addr64_t                cpu_task_cr3;
-       addr64_t                cpu_active_cr3;
+       volatile addr64_t       cpu_active_cr3 __attribute((aligned(64)));
+       union {
+               volatile uint32_t cpu_tlb_invalid;
+               struct {
+                       volatile uint16_t cpu_tlb_invalid_local;
+                       volatile uint16_t cpu_tlb_invalid_global;
+               };
+       };
+       volatile task_map_t     cpu_task_map;
+       volatile addr64_t       cpu_task_cr3;

        addr64_t                cpu_kernel_cr3;
        cpu_uber_t              cpu_uber;
        void                    *cpu_chud;
        void                    *cpu_console_buf;
        struct x86_lcpu         lcpu;
        struct processor        *cpu_processor;
        addr64_t                cpu_kernel_cr3;
        cpu_uber_t              cpu_uber;
        void                    *cpu_chud;
        void                    *cpu_console_buf;
        struct x86_lcpu         lcpu;
        struct processor        *cpu_processor;

+#if NCOPY_WINDOWS > 0

        struct cpu_pmap         *cpu_pmap;
        struct cpu_pmap         *cpu_pmap;

+#endif

        struct cpu_desc_table   *cpu_desc_tablep;
        struct fake_descriptor  *cpu_ldtp;
        cpu_desc_index_t        cpu_desc_index;
        struct cpu_desc_table   *cpu_desc_tablep;
        struct fake_descriptor  *cpu_ldtp;
        cpu_desc_index_t        cpu_desc_index;


@@ -159,19 +206,25 @@ typedef struct cpu_data
        boolean_t               cpu_iflag;
        boolean_t               cpu_boot_complete;
        int                     cpu_hibernate;
        boolean_t               cpu_iflag;
        boolean_t               cpu_boot_complete;
        int                     cpu_hibernate;

-
+#if NCOPY_WINDOWS > 0

        vm_offset_t             cpu_copywindow_base;
        uint64_t                *cpu_copywindow_pdp;
 
        vm_offset_t             cpu_physwindow_base;
        uint64_t                *cpu_physwindow_ptep;
        vm_offset_t             cpu_copywindow_base;
        uint64_t                *cpu_copywindow_pdp;
 
        vm_offset_t             cpu_physwindow_base;
        uint64_t                *cpu_physwindow_ptep;

+#endif

        void                    *cpu_hi_iss;
        void                    *cpu_hi_iss;

-       boolean_t               cpu_tlb_invalid;
-       uint32_t                cpu_hwIntCnt[256];      /* Interrupt counts */
+
+#define HWINTCNT_SIZE 256
+       uint32_t                cpu_hwIntCnt[HWINTCNT_SIZE];    /* Interrupt counts */

        uint64_t                cpu_dr7; /* debug control register */
        uint64_t                cpu_int_event_time;     /* intr entry/exit time */
        uint64_t                cpu_dr7; /* debug control register */
        uint64_t                cpu_int_event_time;     /* intr entry/exit time */

+#if CONFIG_VMX

        vmx_cpu_t               cpu_vmx;                /* wonderful world of virtualization */
        vmx_cpu_t               cpu_vmx;                /* wonderful world of virtualization */

+#endif
+#if CONFIG_MCA

        struct mca_state        *cpu_mca_state;         /* State at MC fault */
        struct mca_state        *cpu_mca_state;         /* State at MC fault */

+#endif

        uint64_t                cpu_uber_arg_store;     /* Double mapped address
                                                         * of current thread's
                                                         * uu_arg array.
        uint64_t                cpu_uber_arg_store;     /* Double mapped address
                                                         * of current thread's
                                                         * uu_arg array.


@@ -181,8 +234,37 @@ typedef struct cpu_data
                                                           * arg store
                                                           * validity flag.
                                                           */
                                                           * arg store
                                                           * validity flag.
                                                           */

-       rtc_nanotime_t          *cpu_nanotime;          /* Nanotime info */
-                                                         
+       pal_rtc_nanotime_t      *cpu_nanotime;          /* Nanotime info */
+       thread_t                csw_old_thread;
+       thread_t                csw_new_thread;
+#if    defined(__x86_64__)
+       uint32_t                cpu_pmap_pcid_enabled;
+       pcid_t                  cpu_active_pcid;
+       pcid_t                  cpu_last_pcid;
+       volatile pcid_ref_t     *cpu_pmap_pcid_coherentp;
+       volatile pcid_ref_t     *cpu_pmap_pcid_coherentp_kernel;
+#define        PMAP_PCID_MAX_PCID      (0x1000)
+       pcid_t                  cpu_pcid_free_hint;
+       pcid_ref_t              cpu_pcid_refcounts[PMAP_PCID_MAX_PCID];
+       pmap_t                  cpu_pcid_last_pmap_dispatched[PMAP_PCID_MAX_PCID];
+#ifdef PCID_STATS
+       uint64_t                cpu_pmap_pcid_flushes;
+       uint64_t                cpu_pmap_pcid_preserves;
+#endif
+#endif /* x86_64 */
+       uint64_t                cpu_max_observed_int_latency;
+       int                     cpu_max_observed_int_latency_vector;
+       uint64_t                debugger_entry_time;
+       volatile boolean_t      cpu_NMI_acknowledged;
+       /* A separate nested interrupt stack flag, to account
+        * for non-nested interrupts arriving while on the interrupt stack
+        * Currently only occurs when AICPM enables interrupts on the
+        * interrupt stack during processor offlining.
+        */
+       uint32_t                cpu_nested_istack;
+       uint32_t                cpu_nested_istack_events;
+       x86_saved_state64_t     *cpu_fatal_trap_state;
+       x86_saved_state64_t     *cpu_post_fatal_trap_state;

 } cpu_data_t;
 
 extern cpu_data_t      *cpu_data_ptr[];  
 } cpu_data_t;
 
 extern cpu_data_t      *cpu_data_ptr[];  


@@ -194,11 +276,29 @@ extern cpu_data_t cpu_data_master;
 #endif /* offsetof */
 #define CPU_DATA_GET(member,type)                                      \
        type ret;                                                       \
 #endif /* offsetof */
 #define CPU_DATA_GET(member,type)                                      \
        type ret;                                                       \

-       __asm__ volatile ("movl %%gs:%P1,%0"                            \
+       __asm__ volatile ("mov %%gs:%P1,%0"                             \

                : "=r" (ret)                                            \
                : "i" (offsetof(cpu_data_t,member)));                   \
        return ret;
 
                : "=r" (ret)                                            \
                : "i" (offsetof(cpu_data_t,member)));                   \
        return ret;
 

+#define CPU_DATA_GET_INDEX(member,index,type)  \
+       type ret;                                                       \
+       __asm__ volatile ("mov %%gs:(%1),%0"                            \
+               : "=r" (ret)                                            \
+               : "r" (offsetof(cpu_data_t,member[index])));                    \
+       return ret;
+
+#define CPU_DATA_SET(member,value)                                     \
+       __asm__ volatile ("mov %0,%%gs:%P1"                             \
+               :                                                       \
+               : "r" (value), "i" (offsetof(cpu_data_t,member)));
+#define CPU_DATA_XCHG(member,value,type)                               \
+       type ret;                                                       \
+       __asm__ volatile ("xchg %0,%%gs:%P1"                            \
+               : "=r" (ret)                                            \
+               : "i" (offsetof(cpu_data_t,member)), "0" (value));      \
+       return ret;
+

 /*
  * Everyone within the osfmk part of the kernel can use the fast
  * inline versions of these routines.  Everyone outside, must call
 /*
  * Everyone within the osfmk part of the kernel can use the fast
  * inline versions of these routines.  Everyone outside, must call


@@ -217,7 +317,11 @@ get_is64bit(void)
 {
        CPU_DATA_GET(cpu_is64bit, boolean_t)
 }
 {
        CPU_DATA_GET(cpu_is64bit, boolean_t)
 }

+#if CONFIG_YONAH

 #define cpu_mode_is64bit()             get_is64bit()
 #define cpu_mode_is64bit()             get_is64bit()

+#else
+#define cpu_mode_is64bit()             TRUE
+#endif

 
 static inline int
 get_preemption_level(void)
 
 static inline int
 get_preemption_level(void)


@@ -225,11 +329,6 @@ get_preemption_level(void)
        CPU_DATA_GET(cpu_preemption_level,int)
 }
 static inline int
        CPU_DATA_GET(cpu_preemption_level,int)
 }
 static inline int

-get_simple_lock_count(void)
-{
-       CPU_DATA_GET(cpu_simple_lock_count,int)
-}
-static inline int

 get_interrupt_level(void)
 {
        CPU_DATA_GET(cpu_interrupt_level,int)
 get_interrupt_level(void)
 {
        CPU_DATA_GET(cpu_interrupt_level,int)


@@ -245,6 +344,7 @@ get_cpu_phys_number(void)
        CPU_DATA_GET(cpu_phys_number,int)
 }
 
        CPU_DATA_GET(cpu_phys_number,int)
 }
 

+

 static inline void
 disable_preemption(void)
 {
 static inline void
 disable_preemption(void)
 {


@@ -305,14 +405,9 @@ current_cpu_datap(void)
 static inline cpu_data_t *
 cpu_datap(int cpu)
 {
 static inline cpu_data_t *
 cpu_datap(int cpu)
 {

-       assert(cpu_data_ptr[cpu]);

        return cpu_data_ptr[cpu];
 }
 
 extern cpu_data_t *cpu_data_alloc(boolean_t is_boot_cpu);
 
        return cpu_data_ptr[cpu];
 }
 
 extern cpu_data_t *cpu_data_alloc(boolean_t is_boot_cpu);
 

-#else  /* !defined(__GNUC__) */
-
-#endif /* defined(__GNUC__) */
-

 #endif /* I386_CPU_DATA */
 #endif /* I386_CPU_DATA */