/*
- * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2008 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
#include <mach_assert.h>
-#if defined(__GNUC__)
-
#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 <mach/i386/vm_param.h>
#include <i386/rtclock.h>
#include <i386/pmCPU.h>
#include <i386/cpu_topology.h>
+#if CONFIG_VMX
#include <i386/vmx/vmx_cpu.h>
+#endif
/*
* Data structures referenced (anonymously) from per-cpu data:
* Data structures embedded in per-cpu data:
*/
typedef struct rtclock_timer {
- uint64_t deadline;
- boolean_t is_set;
- boolean_t has_expired;
+ queue_head_t queue;
+ uint64_t deadline;
+ boolean_t is_set;
+ boolean_t has_expired;
} rtclock_timer_t;
-typedef struct rtc_nanotime {
- uint64_t tsc_base; /* timestamp */
- uint64_t ns_base; /* nanoseconds */
- uint32_t scale; /* tsc -> nanosec multiplier */
- uint32_t shift; /* tsc -> nanosec shift/div */
- /* shift is overloaded with
- * lower 32bits of tsc_freq
- * on slower machines (SLOW_TSC_THRESHOLD) */
- uint32_t generation; /* 0 == being updated */
- uint32_t spare1;
-} rtc_nanotime_t;
-
-#define SLOW_TSC_THRESHOLD 1000067800 /* TSC is too slow for regular nanotime() algorithm */
+#if defined(__i386__)
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 {
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
addr64_t cu_user_gs_base;
} cpu_uber_t;
+
/*
* Per-cpu data.
*
int cpu_subtype;
int cpu_threadtype;
int cpu_running;
- uint64_t rtclock_intr_deadline;
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_task_cr3;
+ volatile addr64_t cpu_active_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;
+#if NCOPY_WINDOWS > 0
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;
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;
void *cpu_hi_iss;
- boolean_t cpu_tlb_invalid;
- uint32_t cpu_hwIntCnt[256]; /* Interrupt counts */
+#endif
+
+
+
+ volatile boolean_t cpu_tlb_invalid;
+ uint32_t cpu_hwIntCnt[256]; /* Interrupt counts */
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 */
+#endif
+#if CONFIG_MCA
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.
* arg store
* validity flag.
*/
-
-
+ rtc_nanotime_t *cpu_nanotime; /* Nanotime info */
+ thread_t csw_old_thread;
+ thread_t csw_new_thread;
} cpu_data_t;
extern cpu_data_t *cpu_data_ptr[];
#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;
#define current_thread_fast() get_active_thread()
#define current_thread() current_thread_fast()
+#if defined(__i386__)
static inline boolean_t
get_is64bit(void)
{
CPU_DATA_GET(cpu_is64bit, boolean_t)
}
#define cpu_mode_is64bit() get_is64bit()
+#elif defined(__x86_64__)
+#define cpu_mode_is64bit() TRUE
+#endif
static inline int
get_preemption_level(void)
CPU_DATA_GET(cpu_phys_number,int)
}
+
static inline void
disable_preemption(void)
{
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);
-#else /* !defined(__GNUC__) */
-
-#endif /* defined(__GNUC__) */
-
#endif /* I386_CPU_DATA */
projects / apple / xnu.git / blobdiff