s3_mtrr.c File Reference

#include <stdint.h>
#include <cpu/x86/msr.h>
#include <cpu/x86/mtrr.h>
#include <cpu/amd/mtrr.h>
#include <cpu/x86/cache.h>
#include <string.h>
#include <northbridge/amd/agesa/agesa_helper.h>

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Functions
static void	write_mtrr (u8 **p_nvram_pos, unsigned int idx)
void	backup_mtrr (void *mtrr_store, u32 *mtrr_store_size)
void	restore_mtrr (void)

Function Documentation

backup_mtrr()

void backup_mtrr	(	void *	mtrr_store,
		u32 *	mtrr_store_size
	)

Definition at line 20 of file s3_mtrr.c.

References msr_struct::lo, MTRR_FIX_16K_80000, MTRR_FIX_16K_A0000, MTRR_FIX_4K_C0000, MTRR_FIX_4K_F8000, MTRR_FIX_64K_00000, MTRR_PHYS_BASE, rdmsr(), SYSCFG_MSR, SYSCFG_MSR_MtrrFixDramModEn, TOP_MEM, TOP_MEM2, write_mtrr(), and wrmsr().

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restore_mtrr()

void restore_mtrr

(

void

)

Definition at line 58 of file s3_mtrr.c.

References disable_cache(), msr_struct::hi, msr_struct::lo, MTRR_FIX_16K_80000, MTRR_FIX_16K_A0000, MTRR_FIX_4K_C0000, MTRR_FIX_4K_F8000, MTRR_FIX_64K_00000, MTRR_PHYS_BASE, MTRR_PHYS_MASK, OemS3Saved_MTRR_Storage(), rdmsr(), SYSCFG_MSR, SYSCFG_MSR_MtrrFixDramModEn, and wrmsr().

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write_mtrr()

static void write_mtrr ( u8 **  p_nvram_pos, unsigned int  idx  )

static

Definition at line 11 of file s3_mtrr.c.

References memcpy(), and rdmsr().

Referenced by backup_mtrr().

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