SmmStm.h File Reference

#include "StmApi.h"
#include <stdbool.h>

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Functions
int	load_stm_image (uintptr_t mseg)
void	stm_setup (uintptr_t mseg, int cpu, uintptr_t smbase, uintptr_t smbase_base, uint32_t offset32)
int	add_pi_resource (STM_RSC *resource_list, uint32_t num_entries)
int	delete_pi_resource (STM_RSC *resource_list, uint32_t num_entries)
int	get_pi_resource (STM_RSC *resource_list, uint32_t *resource_size)
void	notify_stm_resource_change (void *stm_resource)
void *	get_stm_resource (void)
void	setup_smm_descriptor (void *smbase, int32_t apic_id, int32_t entry32_off)
bool	stm_check_stm_image (void *stm_image, uint32_t stm_image_size)
void	stm_gen_4g_pagetable_ia32 (uint32_t pagetable_base)
void	stm_gen_4g_pagetable_x64 (uint32_t pagetable_base)

Function Documentation

add_pi_resource()

int add_pi_resource	(	STM_RSC *	resource_list,
		uint32_t	num_entries
	)

Definition at line 470 of file SmmStm.c.

References add_resource(), BIOS_DEBUG, get_resource_size(), m_rsc_end_node, m_stm_resource_size_available, m_stm_resource_size_used, m_stm_resource_total_size, m_stm_resources_ptr, memcpy(), memset(), NULL, printk, stm_resource_heap, validate_resource(), and wbinvd().

Referenced by add_msr_resources(), and add_simple_resources().

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delete_pi_resource()

int delete_pi_resource	(	STM_RSC *	resource_list,
		uint32_t	num_entries
	)

Definition at line 523 of file SmmStm.c.

References m_rsc_end_node, m_stm_resource_size_available, m_stm_resource_size_used, m_stm_resource_total_size, m_stm_resources_ptr, memcpy(), and NULL.

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get_pi_resource()

int get_pi_resource	(	STM_RSC *	resource_list,
		uint32_t *	resource_size
	)

Definition at line 551 of file SmmStm.c.

References m_stm_resource_size_used, m_stm_resources_ptr, and memcpy().

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get_stm_resource()

void* get_stm_resource

(

void

)

Definition at line 675 of file SmmStm.c.

References m_stm_resources_ptr.

Referenced by setup_smm_descriptor().

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load_stm_image()

int load_stm_image

(

uintptr_t

mseg

)

Definition at line 21 of file StmPlatformSmm.c.

References BIOS_DEBUG, cbfs_load(), HARDWARE_STM_HEADER::cr3_offset, STM_HEADER::hw_stm_hdr, memset(), HARDWARE_STM_HEADER::monitor_features, printk, SOFTWARE_STM_HEADER::static_image_size, stm_check_stm_image(), stm_gen_4g_pagetable_x64(), HARDWARE_STM_HEADER::stm_header_revision, and STM_HEADER::sw_stm_hdr.

Referenced by stm_setup().

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notify_stm_resource_change()

void notify_stm_resource_change

(

void *

stm_resource

)

setup_smm_descriptor()

void setup_smm_descriptor	(	void *	smbase,
		int32_t	apic_id,
		int32_t	entry32_off
	)

Definition at line 80 of file StmPlatformSmm.c.

References TXT_PROCESSOR_SMM_DESCRIPTOR::acpi_rsdp, descriptor::base, BIOS_DEBUG, TXT_PROCESSOR_SMM_DESCRIPTOR::bios_hw_resource_requirements_ptr, get_stm_resource(), descriptor::limit, TXT_PROCESSOR_SMM_DESCRIPTOR::local_apic_id, memcpy(), memset(), printk, read_gdtr(), ROM_CODE_SEG, ROM_DATA_SEG, TXT_PROCESSOR_SMM_DESCRIPTOR::signature, TXT_PROCESSOR_SMM_DESCRIPTOR::size, TXT_PROCESSOR_SMM_DESCRIPTOR::smm_cs, SMM_DEFAULT_BASE, TXT_PROCESSOR_SMM_DESCRIPTOR::smm_descriptor_ver_major, TXT_PROCESSOR_SMM_DESCRIPTOR::smm_descriptor_ver_minor, TXT_PROCESSOR_SMM_DESCRIPTOR::smm_ds, SMM_ENTRY_OFFSET, TXT_PROCESSOR_SMM_DESCRIPTOR::smm_gdt_ptr, TXT_PROCESSOR_SMM_DESCRIPTOR::smm_gdt_size, TXT_PROCESSOR_SMM_DESCRIPTOR::smm_other_segment, SMM_PSD_OFFSET, TXT_PROCESSOR_SMM_DESCRIPTOR::smm_smi_handler_rip, TXT_PROCESSOR_SMM_DESCRIPTOR::smm_ss, SMM_TASK_STATE_SEG, TXT_PROCESSOR_SMM_DESCRIPTOR::smm_tr, TXT_PROCESSOR_SMM_DESCRIPTOR_SIGNATURE, TXT_PROCESSOR_SMM_DESCRIPTOR_VERSION_MAJOR, and TXT_PROCESSOR_SMM_DESCRIPTOR_VERSION_MINOR.

Referenced by stm_setup().

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stm_check_stm_image()

bool stm_check_stm_image	(	void *	stm_image,
		uint32_t	stm_image_size
	)

Definition at line 632 of file SmmStm.c.

References SOFTWARE_STM_HEADER::additional_dynamic_memory_size, mp_state::cpu_count, HARDWARE_STM_HEADER::cr3_offset, get_vmcs_size(), STM_HEADER::hw_stm_hdr, SOFTWARE_STM_HEADER::per_proc_dynamic_memory_size, SOFTWARE_STM_HEADER::static_image_size, STM_PAGES_TO_SIZE, STM_SIZE_TO_PAGES, and STM_HEADER::sw_stm_hdr.

Referenced by load_stm_image().

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stm_gen_4g_pagetable_ia32()

void stm_gen_4g_pagetable_ia32

(

uint32_t

pagetable_base

)

stm_gen_4g_pagetable_x64()

void stm_gen_4g_pagetable_x64

(

uint32_t

pagetable_base

)

Definition at line 592 of file SmmStm.c.

References IA32_PG_P, IA32_PG_PS, IA32_PG_RW, PTP_SIZE, and SIZE_4KB.

Referenced by load_stm_image().

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stm_setup()

void stm_setup	(	uintptr_t	mseg,
		int	cpu,
		uintptr_t	smbase,
		uintptr_t	smbase_base,
		uint32_t	offset32
	)

Definition at line 139 of file StmPlatformSmm.c.

References add_resources_cmd(), BIOS_DEBUG, BIOS_WARNING, msr_struct::hi, IA32_SMM_MONITOR_CTL_MSR, IA32_SMM_MONITOR_VALID, IA32_VMX_BASIC_MSR, msr_struct::lo, load_stm_image(), printk, rdmsr(), setup_smm_descriptor(), stm_load_status, stm_resource_heap, VMX_BASIC_HI_DUAL_MONITOR, and wrmsr().

Referenced by smm_do_relocation().

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