smm_relocate.c File Reference

#include <amdblocks/smm.h>
#include <console/console.h>
#include <cpu/amd/amd64_save_state.h>
#include <cpu/amd/msr.h>
#include <cpu/cpu.h>
#include <cpu/x86/msr.h>
#include <cpu/x86/smm.h>
#include <types.h>

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Functions
static void	fill_in_relocation_params (struct smm_relocation_params *params)
void	get_smm_info (uintptr_t *perm_smbase, size_t *perm_smsize, size_t *smm_save_state_size)
void	smm_relocation_handler (int cpu, uintptr_t curr_smbase, uintptr_t staggered_smbase)

Variables
static struct smm_relocation_params	smm_reloc_params

Function Documentation

fill_in_relocation_params()

static void fill_in_relocation_params ( struct smm_relocation_params *  params )

static

Definition at line 14 of file smm_relocate.c.

References ALIGN_DOWN, cpu_phys_address_size(), KiB, params, smm_region(), SMM_TSEG_WB, and smm_relocation_params::tseg_base.

Referenced by get_smm_info().

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get_smm_info()

void get_smm_info	(	uintptr_t *	perm_smbase,
		size_t *	perm_smsize,
		size_t *	smm_save_state_size
	)

Definition at line 29 of file smm_relocate.c.

References BIOS_DEBUG, fill_in_relocation_params(), printk, smm_reloc_params, smm_subregion(), and SMM_SUBREGION_HANDLER.

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smm_relocation_handler()

void smm_relocation_handler	(	int	cpu,
		uintptr_t	curr_smbase,
		uintptr_t	staggered_smbase
	)

Definition at line 39 of file smm_relocate.c.

References SMM_ADDR_MSR, SMM_AMD64_SAVE_STATE_OFFSET, SMM_MASK_MSR, smm_reloc_params, smm_relocation_params::tseg_base, smm_relocation_params::tseg_mask, and wrmsr().

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Variable Documentation

smm_reloc_params

struct smm_relocation_params smm_reloc_params

static

Definition at line 1 of file smm_relocate.c.

Referenced by get_smm_info(), and smm_relocation_handler().