cpu.h File Reference

#include <cpuid.h>
#include <mos/types.h>

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This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Macros
#define	x86_cpuid(return_reg, leaf, subleaf)
#define	x86_cpu_get_crx(x)
#define	x86_cpu_set_crx(x, val)
#define	x86_cpu_get_cr0()
#define	x86_cpu_get_cr2()
#define	x86_cpu_get_cr3()
#define	x86_cpu_get_cr4()
#define	x86_cpu_set_cr0(val)
#define	x86_cpu_set_cr3(val)
#define	x86_cpu_set_cr4(val)

Functions
should_inline u64	cpu_rdmsr (u32 msr)
should_inline void	cpu_wrmsr (u32 msr, u64 val)
should_inline void	x86_cpu_halt (void)
should_inline void	x86_cpu_invlpg (ptr_t addr)
should_inline void	x86_cpu_invlpg_all (void)
void	x86_cpu_initialise_caps (void)
void	x86_cpu_setup_xsave_area (void)

Macro Definition Documentation

x86_cpuid

#define x86_cpuid	(		return_reg,
			leaf,
			subleaf )

Value:

    __extension__({                                                                                                                                                      \
        reg32_t a = 0, b = 0, c = 0, d = 0;                                                                                                                              \
        __get_cpuid_count(leaf, subleaf, &a, &b, &c, &d);                                                                                                                \
        return_reg;                                                                                                                                                      \
    })

Definition at line 28 of file cpu.h.

Referenced by platform_current_cpu_id().

x86_cpu_get_crx

#define x86_cpu_get_crx

(

x

)

Value:

__extension__({ reg_t crx; __asm__ volatile("mov %%cr" #x ", %0" : "=r"(crx)); crx; })

Definition at line 36 of file cpu.h.

x86_cpu_set_crx

#define x86_cpu_set_crx	(		x,
			val )

Value:

__asm__ volatile("mov %0, %%cr" #x : : "r"(val) : "memory")

Definition at line 37 of file cpu.h.

x86_cpu_get_cr0

#define x86_cpu_get_cr0

(

)

Value:

x86_cpu_get_crx(0)

Definition at line 40 of file cpu.h.

Referenced by x86_cpu_setup_xsave_area().

x86_cpu_get_cr2

#define x86_cpu_get_cr2

(

)

Value:

x86_cpu_get_crx(2)

Definition at line 41 of file cpu.h.

Referenced by x86_handle_exception().

x86_cpu_get_cr3

#define x86_cpu_get_cr3

(

)

Value:

x86_cpu_get_crx(3)

Definition at line 42 of file cpu.h.

x86_cpu_get_cr4

#define x86_cpu_get_cr4

(

)

Value:

x86_cpu_get_crx(4)

Definition at line 43 of file cpu.h.

Referenced by x86_cpu_initialise_caps(), and x86_cpu_setup_xsave_area().

x86_cpu_set_cr0

#define x86_cpu_set_cr0

(

val

)

Value:

x86_cpu_set_crx(0, val)

Definition at line 45 of file cpu.h.

Referenced by x86_cpu_setup_xsave_area().

x86_cpu_set_cr3

#define x86_cpu_set_cr3

(

val

)

Value:

x86_cpu_set_crx(3, val)

Definition at line 46 of file cpu.h.

Referenced by platform_switch_mm().

x86_cpu_set_cr4

#define x86_cpu_set_cr4

(

val

)

Value:

x86_cpu_set_crx(4, val)

Definition at line 47 of file cpu.h.

Referenced by x86_cpu_initialise_caps(), and x86_cpu_setup_xsave_area().

Function Documentation

cpu_rdmsr()

should_inline u64 cpu_rdmsr

(

u32

msr

)

Definition at line 8 of file cpu.h.

cpu_wrmsr()

should_inline void cpu_wrmsr	(	u32	msr,
		u64	val )

Definition at line 15 of file cpu.h.

x86_cpu_halt()

should_inline void x86_cpu_halt

(

void

)

Definition at line 22 of file cpu.h.

Referenced by platform_halt_cpu(), and platform_shutdown().

x86_cpu_invlpg()

should_inline void x86_cpu_invlpg

(

ptr_t

addr

)

Definition at line 49 of file cpu.h.

Referenced by platform_invalidate_tlb().

x86_cpu_invlpg_all()

should_inline void x86_cpu_invlpg_all

(

void

)

Definition at line 54 of file cpu.h.

Referenced by platform_invalidate_tlb().

x86_cpu_initialise_caps()

void x86_cpu_initialise_caps

(

void

)

Definition at line 20 of file cpu.c.

Referenced by platform_ap_entry(), and platform_startup_early().

x86_cpu_setup_xsave_area()

void x86_cpu_setup_xsave_area

(

void

)

Definition at line 37 of file cpu.c.

Referenced by platform_ap_entry(), and platform_startup_early().