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[apple/xnu.git] / osfmk / i386 / lapic.h
diff --git a/osfmk/i386/lapic.h b/osfmk/i386/lapic.h
index e8387bb211c87600717f60c2910b52396f18206b..9d6f53abbb8dcfe197c872e2e9a85351972f0dfe 100644 (file)
--- a/osfmk/i386/lapic.h
+++ b/osfmk/i386/lapic.h
@@ -1,5 +1,5 @@
 /*
 /*
- * Copyright (c) 2008 Apple Inc. All rights reserved.
+ * Copyright (c) 2008-2010 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -32,6 +32,10 @@
 #ifndef _I386_LAPIC_H_
 #define _I386_LAPIC_H_
 
 #ifndef _I386_LAPIC_H_
 #define _I386_LAPIC_H_
 
+/*
+ * Legacy mode definitions.
+ * The register offsets are no longer used by XNU - see LAPIC_MMIO_OFFSET().
+ */
 #define LAPIC_START                    0xFEE00000
 #define LAPIC_SIZE                     0x00000400
 
 #define LAPIC_START                    0xFEE00000
 #define LAPIC_SIZE                     0x00000400
 
@@ -106,6 +110,9 @@
 #define                LAPIC_LVT_TM_LEVEL      0x08000
 #define                LAPIC_LVT_MASKED        0x10000
 #define                LAPIC_LVT_PERIODIC      0x20000
 #define                LAPIC_LVT_TM_LEVEL      0x08000
 #define                LAPIC_LVT_MASKED        0x10000
 #define                LAPIC_LVT_PERIODIC      0x20000
+#define                LAPIC_LVT_TSC_DEADLINE  0x40000
+#define                LAPIC_LVT_TMR_SHIFT     17
+#define                LAPIC_LVT_TMR_MASK      3
 #define LAPIC_TIMER_INITIAL_COUNT      0x00000380
 #define LAPIC_TIMER_CURRENT_COUNT      0x00000390
 #define LAPIC_TIMER_DIVIDE_CONFIG      0x000003E0
 #define LAPIC_TIMER_INITIAL_COUNT      0x00000380
 #define LAPIC_TIMER_CURRENT_COUNT      0x00000390
 #define LAPIC_TIMER_DIVIDE_CONFIG      0x000003E0
@@ -125,18 +132,58 @@
 #define CPU_NUMBER(r)                          \
        movl    %gs:CPU_NUMBER_GS,r
 
 #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
 #ifndef        ASSEMBLER
-#include <stdint.h>
-#include <sys/cdefs.h>
-#include <mach/boolean.h>
-#include <mach/kern_return.h>
+typedef enum {
+       ID                      = 0x02,
+       VERSION                 = 0x03,
+       TPR                     = 0x08,
+       APR                     = 0x09,
+       PPR                     = 0x0A,
+       EOI                     = 0x0B,
+       REMOTE_READ             = 0x0C,
+       LDR                     = 0x0D,
+       DFR                     = 0x0E,
+       SVR                     = 0x0F,
+       ISR_BASE                = 0x10,
+       TMR_BASE                = 0x18,
+       IRR_BASE                = 0x20,
+       ERROR_STATUS            = 0x28,
+       LVT_CMCI                = 0x2F,
+       ICR                     = 0x30,
+       ICRD                    = 0x31,
+       LVT_TIMER               = 0x32,
+       LVT_THERMAL             = 0x33,
+       LVT_PERFCNT             = 0x34,
+       LVT_LINT0               = 0x35,
+       LVT_LINT1               = 0x36,
+       LVT_ERROR               = 0x37,
+       TIMER_INITIAL_COUNT     = 0x38,
+       TIMER_CURRENT_COUNT     = 0x39,
+       TIMER_DIVIDE_CONFIG     = 0x3E,
+} lapic_register_t;
+
+#define LAPIC_MMIO_PBASE       0xFEE00000      /* Default physical MMIO addr */
+#define LAPIC_MMIO_VBASE       lapic_vbase     /* Actual virtual mapped addr */
+#define LAPIC_MSR_BASE         0x800
+
+#define        LAPIC_MMIO_OFFSET(reg)  (reg << 4)
+#define        LAPIC_MSR_OFFSET(reg)   (reg)
+
+#define        LAPIC_MMIO(reg)         ((volatile uint32_t *) \
+                                       (LAPIC_MMIO_VBASE + LAPIC_MMIO_OFFSET(reg)))
+#define        LAPIC_MSR(reg)          (LAPIC_MSR_BASE + LAPIC_MSR_OFFSET(reg))
+
+typedef struct {
+       void            (*init) (void);
+       uint32_t        (*read) (lapic_register_t);
+       void            (*write)(lapic_register_t, uint32_t);
+} lapic_ops_table_t;
+extern  lapic_ops_table_t *lapic_ops;
+
+#define LAPIC_WRITE(reg,val)           lapic_ops->write(reg, val)
+#define LAPIC_READ(reg)                        lapic_ops->read(reg)
+#define LAPIC_READ_OFFSET(reg,off)     LAPIC_READ((reg)+(off))
+
 typedef enum {
        periodic,
        one_shot
 typedef enum {
        periodic,
        one_shot
@@ -186,41 +233,43 @@ typedef uint32_t lapic_timer_count_t;
 #define LAPIC_NMI_INTERRUPT            0x2
 #define LAPIC_FUNC_TABLE_SIZE          (LAPIC_PERFCNT_INTERRUPT + 1)
 
 #define LAPIC_NMI_INTERRUPT            0x2
 #define LAPIC_FUNC_TABLE_SIZE          (LAPIC_PERFCNT_INTERRUPT + 1)
 
-#define LAPIC_WRITE(reg,val) \
-       *((volatile uint32_t *)(lapic_start + LAPIC_##reg)) = (val)
-#define LAPIC_READ(reg) \
-       (*((volatile uint32_t *)(lapic_start + LAPIC_##reg)))
-#define LAPIC_READ_OFFSET(reg,off) \
-       (*((volatile uint32_t *)(lapic_start + LAPIC_##reg + (off))))
-
 #define LAPIC_VECTOR(src) \
        (lapic_interrupt_base + LAPIC_##src##_INTERRUPT)
 
 #define LAPIC_ISR_IS_SET(base,src) \
 #define LAPIC_VECTOR(src) \
        (lapic_interrupt_base + LAPIC_##src##_INTERRUPT)
 
 #define LAPIC_ISR_IS_SET(base,src) \
-       (LAPIC_READ_OFFSET(ISR_BASE,((base+LAPIC_##src##_INTERRUPT)/32)*0x10) \
+       (LAPIC_READ_OFFSET(ISR_BASE,(base+LAPIC_##src##_INTERRUPT)/32) \
                & (1 <<((base + LAPIC_##src##_INTERRUPT)%32)))
 
                & (1 <<((base + LAPIC_##src##_INTERRUPT)%32)))
 
-extern vm_offset_t     lapic_start;
-
 extern void            lapic_init(void);
 extern void            lapic_configure(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_init(void);
 extern void            lapic_configure(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_cpu_map_dump(void);
 extern int             lapic_interrupt(
                                int interrupt, x86_saved_state_t *state);
 extern void            lapic_end_of_interrupt(void);
 extern void            lapic_unmask_perfcnt_interrupt(void);
 extern int             lapic_interrupt(
                                int interrupt, x86_saved_state_t *state);
 extern void            lapic_end_of_interrupt(void);
 extern void            lapic_unmask_perfcnt_interrupt(void);
+extern void            lapic_set_perfcnt_interrupt_mask(boolean_t);
 extern void            lapic_send_ipi(int cpu, int interupt);
 
 extern int             lapic_to_cpu[];
 extern int             cpu_to_lapic[];
 extern int             lapic_interrupt_base;
 extern void            lapic_send_ipi(int cpu, int interupt);
 
 extern int             lapic_to_cpu[];
 extern int             cpu_to_lapic[];
 extern int             lapic_interrupt_base;
+extern void            lapic_cpu_map_init(void);
 extern void            lapic_cpu_map(int lapic, int cpu_num);
 extern uint32_t                ml_get_apicid(uint32_t cpu);
 extern uint32_t                ml_get_cpuid(uint32_t lapic_index);
 
 extern void            lapic_cpu_map(int lapic, int cpu_num);
 extern uint32_t                ml_get_apicid(uint32_t cpu);
 extern uint32_t                ml_get_cpuid(uint32_t lapic_index);
 
+extern void            lapic_config_timer(
+                               boolean_t               interrupt,
+                               lapic_timer_mode_t      mode,
+                               lapic_timer_divide_t    divisor);
+
+extern void            lapic_set_timer_fast(
+                               lapic_timer_count_t     initial_count);
+
 extern void            lapic_set_timer(
                                boolean_t               interrupt,
                                lapic_timer_mode_t      mode,
 extern void            lapic_set_timer(
                                boolean_t               interrupt,
                                lapic_timer_mode_t      mode,
@@ -233,17 +282,20 @@ extern void               lapic_get_timer(
                                lapic_timer_count_t     *initial_count,
                                lapic_timer_count_t     *current_count);
 
                                lapic_timer_count_t     *initial_count,
                                lapic_timer_count_t     *current_count);
 
+extern void            lapic_config_tsc_deadline_timer(void);
+extern void            lapic_set_tsc_deadline_timer(uint64_t deadline);
+extern uint64_t                lapic_get_tsc_deadline_timer(void);
+
 typedef        int (*i386_intr_func_t)(x86_saved_state_t *state);
 extern void            lapic_set_intr_func(int intr, i386_intr_func_t func);
 
 typedef        int (*i386_intr_func_t)(x86_saved_state_t *state);
 extern void            lapic_set_intr_func(int intr, i386_intr_func_t func);
 
+extern void            lapic_set_pmi_func(i386_intr_func_t);
+
 static inline void     lapic_set_timer_func(i386_intr_func_t func)
 {
        lapic_set_intr_func(LAPIC_VECTOR(TIMER), func);
 }
 static inline void     lapic_set_timer_func(i386_intr_func_t func)
 {
        lapic_set_intr_func(LAPIC_VECTOR(TIMER), func);
 }
-static inline void     lapic_set_pmi_func(i386_intr_func_t func)
-{
-       lapic_set_intr_func(LAPIC_VECTOR(PERFCNT), func);
-}
+
 static inline void     lapic_set_thermal_func(i386_intr_func_t func)
 {
        lapic_set_intr_func(LAPIC_VECTOR(THERMAL), func);
 static inline void     lapic_set_thermal_func(i386_intr_func_t func)
 {
        lapic_set_intr_func(LAPIC_VECTOR(THERMAL), func);
@@ -257,7 +309,13 @@ static inline void lapic_set_pm_func(i386_intr_func_t func)
        lapic_set_intr_func(LAPIC_VECTOR(PM), func);
 }
 
        lapic_set_intr_func(LAPIC_VECTOR(PM), func);
 }
 
+extern boolean_t       lapic_is_interrupt_pending(void);
+extern boolean_t       lapic_is_interrupting(uint8_t vector);
+extern void            lapic_interrupt_counts(uint64_t intrs[256]);
+extern void            lapic_disable_timer(void);
+
 #ifdef MP_DEBUG
 #ifdef MP_DEBUG
+extern void            lapic_cpu_map_dump(void);
 #define LAPIC_CPU_MAP_DUMP()   lapic_cpu_map_dump()
 #define LAPIC_DUMP()           lapic_dump()
 #else
 #define LAPIC_CPU_MAP_DUMP()   lapic_cpu_map_dump()
 #define LAPIC_DUMP()           lapic_dump()
 #else
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