#include <asm/processor-flags.h>
-/* migration helpers, for KVM - will be removed in 2.6.25: */
-#include <asm/vm86.h>
+/* migration helper, for KVM - will be removed in 2.6.25: */
#define Xgt_desc_struct desc_ptr
/* Forward declaration, a strange C thing */
/* cpuid returned max cores value: */
u16 x86_max_cores;
u16 apicid;
+ u16 initial_apicid;
u16 x86_clflush_size;
#ifdef CONFIG_SMP
/* number of cores as seen by the OS: */
#define current_cpu_data boot_cpu_data
#endif
+static inline int hlt_works(int cpu)
+{
+#ifdef CONFIG_X86_32
+ return cpu_data(cpu).hlt_works_ok;
+#else
+ return 1;
+#endif
+}
+
#define cache_line_size() (boot_cpu_data.x86_cache_alignment)
extern void cpu_detect(struct cpuinfo_x86 *c);
unsigned int *ecx, unsigned int *edx)
{
/* ecx is often an input as well as an output. */
- __asm__("cpuid"
- : "=a" (*eax),
- "=b" (*ebx),
- "=c" (*ecx),
- "=d" (*edx)
- : "0" (*eax), "2" (*ecx));
+ asm("cpuid"
+ : "=a" (*eax),
+ "=b" (*ebx),
+ "=c" (*ecx),
+ "=d" (*edx)
+ : "0" (*eax), "2" (*ecx));
}
static inline void load_cr3(pgd_t *pgdir)
#define MXCSR_DEFAULT 0x1f80
struct i387_fsave_struct {
- u32 cwd;
- u32 swd;
- u32 twd;
- u32 fip;
- u32 fcs;
- u32 foo;
- u32 fos;
- /* 8*10 bytes for each FP-reg = 80 bytes: */
+ u32 cwd; /* FPU Control Word */
+ u32 swd; /* FPU Status Word */
+ u32 twd; /* FPU Tag Word */
+ u32 fip; /* FPU IP Offset */
+ u32 fcs; /* FPU IP Selector */
+ u32 foo; /* FPU Operand Pointer Offset */
+ u32 fos; /* FPU Operand Pointer Selector */
+
+ /* 8*10 bytes for each FP-reg = 80 bytes: */
u32 st_space[20];
- /* Software status information: */
+
+ /* Software status information [not touched by FSAVE ]: */
u32 status;
};
struct i387_fxsave_struct {
- u16 cwd;
- u16 swd;
- u16 twd;
- u16 fop;
+ u16 cwd; /* Control Word */
+ u16 swd; /* Status Word */
+ u16 twd; /* Tag Word */
+ u16 fop; /* Last Instruction Opcode */
union {
struct {
- u64 rip;
- u64 rdp;
+ u64 rip; /* Instruction Pointer */
+ u64 rdp; /* Data Pointer */
};
struct {
- u32 fip;
- u32 fcs;
- u32 foo;
- u32 fos;
+ u32 fip; /* FPU IP Offset */
+ u32 fcs; /* FPU IP Selector */
+ u32 foo; /* FPU Operand Offset */
+ u32 fos; /* FPU Operand Selector */
};
};
- u32 mxcsr;
- u32 mxcsr_mask;
- /* 8*16 bytes for each FP-reg = 128 bytes: */
+ u32 mxcsr; /* MXCSR Register State */
+ u32 mxcsr_mask; /* MXCSR Mask */
+
+ /* 8*16 bytes for each FP-reg = 128 bytes: */
u32 st_space[32];
- /* 16*16 bytes for each XMM-reg = 256 bytes: */
+
+ /* 16*16 bytes for each XMM-reg = 256 bytes: */
u32 xmm_space[64];
+
u32 padding[24];
} __attribute__((aligned(16)));
struct i387_soft_struct soft;
};
-#ifdef CONFIG_X86_32
-DECLARE_PER_CPU(u8, cpu_llc_id);
-#else
+#ifdef CONFIG_X86_64
DECLARE_PER_CPU(struct orig_ist, orig_ist);
#endif
switch (regno) {
case 0:
- asm("mov %%db0, %0" :"=r" (val)); break;
+ asm("mov %%db0, %0" :"=r" (val));
+ break;
case 1:
- asm("mov %%db1, %0" :"=r" (val)); break;
+ asm("mov %%db1, %0" :"=r" (val));
+ break;
case 2:
- asm("mov %%db2, %0" :"=r" (val)); break;
+ asm("mov %%db2, %0" :"=r" (val));
+ break;
case 3:
- asm("mov %%db3, %0" :"=r" (val)); break;
+ asm("mov %%db3, %0" :"=r" (val));
+ break;
case 6:
- asm("mov %%db6, %0" :"=r" (val)); break;
+ asm("mov %%db6, %0" :"=r" (val));
+ break;
case 7:
- asm("mov %%db7, %0" :"=r" (val)); break;
+ asm("mov %%db7, %0" :"=r" (val));
+ break;
default:
BUG();
}
#ifdef CONFIG_X86_32
unsigned int reg;
- __asm__ __volatile__ ("pushfl;"
- "popl %0;"
- "andl %1, %0;"
- "orl %2, %0;"
- "pushl %0;"
- "popfl"
- : "=&r" (reg)
- : "i" (~X86_EFLAGS_IOPL), "r" (mask));
+ asm volatile ("pushfl;"
+ "popl %0;"
+ "andl %1, %0;"
+ "orl %2, %0;"
+ "pushl %0;"
+ "popfl"
+ : "=&r" (reg)
+ : "i" (~X86_EFLAGS_IOPL), "r" (mask));
#endif
}
#define set_debugreg(value, register) \
native_set_debugreg(register, value)
-static inline void
-load_sp0(struct tss_struct *tss, struct thread_struct *thread)
+static inline void load_sp0(struct tss_struct *tss,
+ struct thread_struct *thread)
{
native_load_sp0(tss, thread);
}
/* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */
static inline void rep_nop(void)
{
- __asm__ __volatile__("rep; nop" ::: "memory");
+ asm volatile("rep; nop" ::: "memory");
}
static inline void cpu_relax(void)
int tmp;
asm volatile("cpuid" : "=a" (tmp) : "0" (1)
- : "ebx", "ecx", "edx", "memory");
+ : "ebx", "ecx", "edx", "memory");
}
-static inline void
-__monitor(const void *eax, unsigned long ecx, unsigned long edx)
+static inline void __monitor(const void *eax, unsigned long ecx,
+ unsigned long edx)
{
/* "monitor %eax, %ecx, %edx;" */
- asm volatile(
- ".byte 0x0f, 0x01, 0xc8;"
- :: "a" (eax), "c" (ecx), "d"(edx));
+ asm volatile(".byte 0x0f, 0x01, 0xc8;"
+ :: "a" (eax), "c" (ecx), "d"(edx));
}
static inline void __mwait(unsigned long eax, unsigned long ecx)
{
/* "mwait %eax, %ecx;" */
- asm volatile(
- ".byte 0x0f, 0x01, 0xc9;"
- :: "a" (eax), "c" (ecx));
+ asm volatile(".byte 0x0f, 0x01, 0xc9;"
+ :: "a" (eax), "c" (ecx));
}
static inline void __sti_mwait(unsigned long eax, unsigned long ecx)
{
/* "mwait %eax, %ecx;" */
- asm volatile(
- "sti; .byte 0x0f, 0x01, 0xc9;"
- :: "a" (eax), "c" (ecx));
+ asm volatile("sti; .byte 0x0f, 0x01, 0xc9;"
+ :: "a" (eax), "c" (ecx));
}
extern void mwait_idle_with_hints(unsigned long eax, unsigned long ecx);
extern void cpu_init(void);
extern void init_gdt(int cpu);
+static inline void update_debugctlmsr(unsigned long debugctlmsr)
+{
+#ifndef CONFIG_X86_DEBUGCTLMSR
+ if (boot_cpu_data.x86 < 6)
+ return;
+#endif
+ wrmsrl(MSR_IA32_DEBUGCTLMSR, debugctlmsr);
+}
+
/*
* from system description table in BIOS. Mostly for MCA use, but
* others may find it useful:
/*
* User space process size. 47bits minus one guard page.
*/
-#define TASK_SIZE64 (0x800000000000UL - 4096)
+#define TASK_SIZE64 ((1UL << 47) - PAGE_SIZE)
/* This decides where the kernel will search for a free chunk of vm
* space during mmap's.
projects / linux-2.6 / blobdiff