cr.h File Reference

#include <stdint.h>

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Macros
#define	COMPILER_BARRIER   "memory"
#define	CRx_TYPE   uint32_t
#define	CRx_IN   "r"
#define	CRx_RET   "=r"
#define	CR0_PE   (1 << 0)
#define	CR0_MP   (1 << 1)
#define	CR0_EM   (1 << 2)
#define	CR0_TS   (1 << 3)
#define	CR0_ET   (1 << 4)
#define	CR0_NE   (1 << 5)
#define	CR0_WP   (1 << 16)
#define	CR0_AM   (1 << 18)
#define	CR0_NW   (1 << 29)
#define	CR0_CD   (1 << 30)
#define	CR0_PG   (1 << 31)
#define	CR4_VME   (1 << 0)
#define	CR4_PVI   (1 << 1)
#define	CR4_TSD   (1 << 2)
#define	CR4_DE   (1 << 3)
#define	CR4_PSE   (1 << 4)
#define	CR4_PAE   (1 << 5)
#define	CR4_MCE   (1 << 6)
#define	CR4_PGE   (1 << 7)
#define	CR4_PCE   (1 << 8)
#define	CR4_OSFXSR   (1 << 9)
#define	CR4_OSXMMEXCPT   (1 << 10)
#define	CR4_VMXE   (1 << 13)
#define	CR4_SMXE   (1 << 14)
#define	CR4_FSGSBASE   (1 << 16)
#define	CR4_PCIDE   (1 << 17)
#define	CR4_OSXSAVE   (1 << 18)
#define	CR4_SMEP   (1 << 20)

Functions
static __always_inline CRx_TYPE	read_cr0 (void)
static __always_inline void	write_cr0 (CRx_TYPE data)
static __always_inline CRx_TYPE	read_cr2 (void)
static __always_inline CRx_TYPE	read_cr3 (void)
static __always_inline void	write_cr3 (CRx_TYPE data)
static __always_inline CRx_TYPE	read_cr4 (void)
static __always_inline void	write_cr4 (CRx_TYPE data)

Macro Definition Documentation

COMPILER_BARRIER

#define COMPILER_BARRIER   "memory"

Definition at line 10 of file cr.h.

CR0_AM

#define CR0_AM   (1 << 18)

Definition at line 108 of file cr.h.

CR0_CD

#define CR0_CD   (1 << 30)

Definition at line 110 of file cr.h.

CR0_EM

#define CR0_EM   (1 << 2)

Definition at line 103 of file cr.h.

CR0_ET

#define CR0_ET   (1 << 4)

Definition at line 105 of file cr.h.

CR0_MP

#define CR0_MP   (1 << 1)

Definition at line 102 of file cr.h.

CR0_NE

#define CR0_NE   (1 << 5)

Definition at line 106 of file cr.h.

CR0_NW

#define CR0_NW   (1 << 29)

Definition at line 109 of file cr.h.

CR0_PE

#define CR0_PE   (1 << 0)

Definition at line 101 of file cr.h.

CR0_PG

#define CR0_PG   (1 << 31)

Definition at line 111 of file cr.h.

CR0_TS

#define CR0_TS   (1 << 3)

Definition at line 104 of file cr.h.

CR0_WP

#define CR0_WP   (1 << 16)

Definition at line 107 of file cr.h.

CR4_DE

#define CR4_DE   (1 << 3)

Definition at line 117 of file cr.h.

CR4_FSGSBASE

#define CR4_FSGSBASE   (1 << 16)

Definition at line 127 of file cr.h.

CR4_MCE

#define CR4_MCE   (1 << 6)

Definition at line 120 of file cr.h.

CR4_OSFXSR

#define CR4_OSFXSR   (1 << 9)

Definition at line 123 of file cr.h.

CR4_OSXMMEXCPT

#define CR4_OSXMMEXCPT   (1 << 10)

Definition at line 124 of file cr.h.

CR4_OSXSAVE

#define CR4_OSXSAVE   (1 << 18)

Definition at line 129 of file cr.h.

CR4_PAE

#define CR4_PAE   (1 << 5)

Definition at line 119 of file cr.h.

CR4_PCE

#define CR4_PCE   (1 << 8)

Definition at line 122 of file cr.h.

CR4_PCIDE

#define CR4_PCIDE   (1 << 17)

Definition at line 128 of file cr.h.

CR4_PGE

#define CR4_PGE   (1 << 7)

Definition at line 121 of file cr.h.

CR4_PSE

#define CR4_PSE   (1 << 4)

Definition at line 118 of file cr.h.

CR4_PVI

#define CR4_PVI   (1 << 1)

Definition at line 115 of file cr.h.

CR4_SMEP

#define CR4_SMEP   (1 << 20)

Definition at line 130 of file cr.h.

CR4_SMXE

#define CR4_SMXE   (1 << 14)

Definition at line 126 of file cr.h.

CR4_TSD

#define CR4_TSD   (1 << 2)

Definition at line 116 of file cr.h.

CR4_VME

#define CR4_VME   (1 << 0)

Definition at line 114 of file cr.h.

CR4_VMXE

#define CR4_VMXE   (1 << 13)

Definition at line 125 of file cr.h.

CRx_IN

#define CRx_IN   "r"

Definition at line 18 of file cr.h.

CRx_RET

#define CRx_RET   "=r"

Definition at line 19 of file cr.h.

CRx_TYPE

#define CRx_TYPE   uint32_t

Definition at line 17 of file cr.h.

Function Documentation

read_cr0()

static __always_inline CRx_TYPE read_cr0 ( void  )

static

Definition at line 21 of file cr.h.

References COMPILER_BARRIER, CRx_RET, CRx_TYPE, and value.

Referenced by disable_cache(), enable_cache(), paging_disable_pae(), paging_enable_pae(), paging_is_enabled(), and reg_cpu_cr_read().

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read_cr2()

static __always_inline CRx_TYPE read_cr2 ( void  )

static

Definition at line 43 of file cr.h.

References COMPILER_BARRIER, CRx_RET, CRx_TYPE, and value.

Referenced by x86_exception().

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read_cr3()

static __always_inline CRx_TYPE read_cr3 ( void  )

static

Definition at line 55 of file cr.h.

References COMPILER_BARRIER, CRx_RET, CRx_TYPE, and value.

Referenced by get_pdpt_addr().

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read_cr4()

static __always_inline CRx_TYPE read_cr4 ( void  )

static

Definition at line 76 of file cr.h.

References COMPILER_BARRIER, CRx_RET, CRx_TYPE, and value.

Referenced by baytrail_init_pre_device(), dnv_configure_mca(), getsec_enabled(), intel_txt_romstage_init(), paging_disable_pae(), paging_enable_pae(), reg_cpu_cr_read(), secondary_cpu_init(), and soc_init_pre_device().

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write_cr0()

static __always_inline void write_cr0 ( CRx_TYPE  data )

static

Definition at line 33 of file cr.h.

References COMPILER_BARRIER, and CRx_IN.

Referenced by disable_cache(), enable_cache(), paging_disable_pae(), paging_enable_pae(), and reg_cpu_cr_write().

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write_cr3()

static __always_inline void write_cr3 ( CRx_TYPE  data )

static

Definition at line 67 of file cr.h.

References COMPILER_BARRIER, and CRx_IN.

Referenced by paging_enable_pae_cr3().

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write_cr4()

static __always_inline void write_cr4 ( CRx_TYPE  data )

static

Definition at line 88 of file cr.h.

References COMPILER_BARRIER, and CRx_IN.

Referenced by baytrail_init_pre_device(), dnv_configure_mca(), getsec_enabled(), intel_txt_romstage_init(), paging_disable_pae(), paging_enable_pae(), reg_cpu_cr_write(), secondary_cpu_init(), and soc_init_pre_device().

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