mirror of
https://github.com/projectacrn/acrn-hypervisor.git
synced 2025-06-24 14:33:38 +00:00
HV: split acpi.c
Split acpi.c to acpi_base.c and acpi_ext.c. The former one will go FuSa and the later one will not; Tracked-On: #3107 Signed-off-by: Victor Sun <victor.sun@intel.com> Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Victor Sun
ACRN System Integration
parent
cbab1f831c
commit
86fe2e033c
@ -161,8 +161,9 @@ endif
|
||||
ifeq ($(CONFIG_DMAR_PARSE_ENABLED),y)
|
||||
C_SRCS += acpi_parser/dmar_parse.c
|
||||
endif
|
||||
C_SRCS += acpi_parser/acpi_ext.c
|
||||
|
||||
C_SRCS += boot/acpi.c
|
||||
C_SRCS += boot/acpi_base.c
|
||||
C_SRCS += boot/dmar_info.c
|
||||
C_SRCS += boot/cmdline.c
|
||||
C_SRCS += boot/guest/vboot_wrapper.c
|
||||
|
||||
161
hypervisor/acpi_parser/acpi_ext.c
Normal file
161
hypervisor/acpi_parser/acpi_ext.c
Normal file
@ -0,0 +1,161 @@
|
||||
/*-
|
||||
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
|
||||
*
|
||||
* Copyright (c) 2003 John Baldwin <jhb@FreeBSD.org>
|
||||
* Copyright (c) 2018 Intel Corporation
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*/
|
||||
#include <types.h>
|
||||
#include <rtl.h>
|
||||
#include <vboot.h>
|
||||
#include "acpi.h"
|
||||
#include <pgtable.h>
|
||||
#include <ioapic.h>
|
||||
#include <logmsg.h>
|
||||
#include <host_pm.h>
|
||||
#include <acrn_common.h>
|
||||
|
||||
#ifndef CONFIG_CONSTANT_ACPI
|
||||
/* Per ACPI spec:
|
||||
* There are two fundamental types of ACPI tables:
|
||||
*
|
||||
* Tables that contain AML code produced from the ACPI Source Language (ASL).
|
||||
* These include the DSDT, any SSDTs, and sometimes OEM-specific tables (OEMx).
|
||||
*
|
||||
* Tables that contain simple data and no AML byte code. These types of tables
|
||||
* are known as ACPI Data Tables. They include tables such as the FADT, MADT,
|
||||
* ECDT, SRAT, etc. -essentially any table other than a DSDT or SSDT.
|
||||
*
|
||||
* The second type of table, the ACPI Data Table, could be parsed here.
|
||||
*
|
||||
* When ACRN go FuSa, the platform ACPI data should be fixed. The MACRO of
|
||||
* CONFIG_CONSTANT_ACPI will be defined, then this code is not needed.
|
||||
*/
|
||||
|
||||
#define ACPI_SIG_FACS 0x53434146U /* "FACS" */
|
||||
#define ACPI_SIG_FADT "FACP" /* Fixed ACPI Description Table */
|
||||
|
||||
/* FACP field offsets */
|
||||
#define OFFSET_FACS_ADDR 36U
|
||||
#define OFFSET_FACS_X_ADDR 132U
|
||||
#define OFFSET_PM1A_EVT 148U
|
||||
#define OFFSET_PM1A_CNT 172U
|
||||
|
||||
/* FACS field offsets */
|
||||
#define OFFSET_FACS_SIGNATURE 0U
|
||||
#define OFFSET_FACS_LENGTH 4U
|
||||
#define OFFSET_WAKE_VECTOR_32 12U
|
||||
#define OFFSET_WAKE_VECTOR_64 24U
|
||||
|
||||
/* get a dword value from given table and its offset */
|
||||
static inline uint32_t get_acpi_dt_dword(const uint8_t *dt_addr, uint32_t dt_offset)
|
||||
{
|
||||
return *(uint32_t *)(dt_addr + dt_offset);
|
||||
}
|
||||
|
||||
/* get a qword value from given table and its offset */
|
||||
static inline uint64_t get_acpi_dt_qword(const uint8_t *dt_addr, uint32_t dt_offset)
|
||||
{
|
||||
return *(uint64_t *)(dt_addr + dt_offset);
|
||||
}
|
||||
|
||||
struct packed_gas {
|
||||
uint8_t space_id;
|
||||
uint8_t bit_width;
|
||||
uint8_t bit_offset;
|
||||
uint8_t access_size;
|
||||
uint64_t address;
|
||||
} __attribute__((packed));
|
||||
|
||||
/* get a GAS struct from given table and its offset.
|
||||
* ACPI table stores packed gas, but it is not guaranteed that
|
||||
* struct acpi_generic_address is packed, so do not use memcpy in function.
|
||||
* @pre dt_addr != NULL && gas != NULL
|
||||
*/
|
||||
static inline void get_acpi_dt_gas(const uint8_t *dt_addr, uint32_t dt_offset, struct acpi_generic_address *gas)
|
||||
{
|
||||
struct packed_gas *dt_gas = (struct packed_gas *)(dt_addr + dt_offset);
|
||||
|
||||
gas->space_id = dt_gas->space_id;
|
||||
gas->bit_width = dt_gas->bit_width;
|
||||
gas->bit_offset = dt_gas->bit_offset;
|
||||
gas->access_size = dt_gas->access_size;
|
||||
gas->address = dt_gas->address;
|
||||
}
|
||||
|
||||
/* @pre facp_addr != NULL */
|
||||
static void *get_facs_table(const uint8_t *facp_addr)
|
||||
{
|
||||
uint8_t *facs_addr, *facs_x_addr;
|
||||
uint32_t signature, length;
|
||||
|
||||
facs_addr = (uint8_t *)(uint64_t)get_acpi_dt_dword(facp_addr, OFFSET_FACS_ADDR);
|
||||
|
||||
facs_x_addr = (uint8_t *)get_acpi_dt_qword(facp_addr, OFFSET_FACS_X_ADDR);
|
||||
|
||||
if (facs_x_addr != NULL) {
|
||||
facs_addr = facs_x_addr;
|
||||
}
|
||||
|
||||
if (facs_addr != NULL) {
|
||||
signature = get_acpi_dt_dword(facs_addr, OFFSET_FACS_SIGNATURE);
|
||||
|
||||
if (signature != ACPI_SIG_FACS) {
|
||||
facs_addr = NULL;
|
||||
} else {
|
||||
length = get_acpi_dt_dword(facs_addr, OFFSET_FACS_LENGTH);
|
||||
|
||||
if (length < 64U) {
|
||||
facs_addr = NULL;
|
||||
}
|
||||
}
|
||||
}
|
||||
return (void *)facs_addr;
|
||||
}
|
||||
|
||||
/* put all ACPI fix up code here */
|
||||
void acpi_fixup(void)
|
||||
{
|
||||
uint8_t *facp_addr, *facs_addr;
|
||||
struct acpi_generic_address pm1a_cnt, pm1a_evt;
|
||||
struct pm_s_state_data *sx_data = get_host_sstate_data();
|
||||
|
||||
facp_addr = (uint8_t *)get_acpi_tbl(ACPI_SIG_FADT);
|
||||
|
||||
if (facp_addr != NULL) {
|
||||
get_acpi_dt_gas(facp_addr, OFFSET_PM1A_EVT, &pm1a_evt);
|
||||
get_acpi_dt_gas(facp_addr, OFFSET_PM1A_CNT, &pm1a_cnt);
|
||||
(void)memcpy_s((void *)&sx_data->pm1a_evt, sizeof(struct acpi_generic_address),
|
||||
(const void *)&pm1a_evt, sizeof(struct acpi_generic_address));
|
||||
(void)memcpy_s((void *)&sx_data->pm1a_cnt, sizeof(struct acpi_generic_address),
|
||||
(const void *)&pm1a_cnt, sizeof(struct acpi_generic_address));
|
||||
|
||||
facs_addr = (uint8_t *)get_facs_table(facp_addr);
|
||||
if (facs_addr != NULL) {
|
||||
sx_data->wake_vector_32 = (uint32_t *)(facs_addr + OFFSET_WAKE_VECTOR_32);
|
||||
sx_data->wake_vector_64 = (uint64_t *)(facs_addr + OFFSET_WAKE_VECTOR_64);
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif
|
||||
@ -39,7 +39,6 @@
|
||||
#define ACPI_SIG_RSDP "RSD PTR " /* Root System Description Ptr */
|
||||
#define ACPI_OEM_ID_SIZE 6
|
||||
#define ACPI_SIG_MADT "APIC" /* Multiple APIC Description Table */
|
||||
#define ACPI_SIG_FADT "FACP" /* Fixed ACPI Description Table */
|
||||
#define RSDP_CHECKSUM_LENGTH 20
|
||||
#define ACPI_NAME_SIZE 4U
|
||||
#define ACPI_MADT_TYPE_LOCAL_APIC 0U
|
||||
@ -320,126 +319,3 @@ uint16_t parse_madt_ioapic(struct ioapic_info *ioapic_id_array)
|
||||
|
||||
return ioapic_parse_madt(madt, ioapic_id_array);
|
||||
}
|
||||
|
||||
#ifndef CONFIG_CONSTANT_ACPI
|
||||
/* Per ACPI spec:
|
||||
* There are two fundamental types of ACPI tables:
|
||||
*
|
||||
* Tables that contain AML code produced from the ACPI Source Language (ASL).
|
||||
* These include the DSDT, any SSDTs, and sometimes OEM-specific tables (OEMx).
|
||||
*
|
||||
* Tables that contain simple data and no AML byte code. These types of tables
|
||||
* are known as ACPI Data Tables. They include tables such as the FADT, MADT,
|
||||
* ECDT, SRAT, etc. -essentially any table other than a DSDT or SSDT.
|
||||
*
|
||||
* The second type of table, the ACPI Data Table, could be parsed here.
|
||||
*
|
||||
* When ACRN go FuSa, the platform ACPI data should be fixed. The MACRO of
|
||||
* CONFIG_CONSTANT_ACPI will be defined, then this code is not needed.
|
||||
*/
|
||||
|
||||
#define ACPI_SIG_FACS 0x53434146U /* "FACS" */
|
||||
|
||||
/* FACP field offsets */
|
||||
#define OFFSET_FACS_ADDR 36U
|
||||
#define OFFSET_FACS_X_ADDR 132U
|
||||
#define OFFSET_PM1A_EVT 148U
|
||||
#define OFFSET_PM1A_CNT 172U
|
||||
|
||||
/* FACS field offsets */
|
||||
#define OFFSET_FACS_SIGNATURE 0U
|
||||
#define OFFSET_FACS_LENGTH 4U
|
||||
#define OFFSET_WAKE_VECTOR_32 12U
|
||||
#define OFFSET_WAKE_VECTOR_64 24U
|
||||
|
||||
/* get a dword value from given table and its offset */
|
||||
static inline uint32_t get_acpi_dt_dword(const uint8_t *dt_addr, uint32_t dt_offset)
|
||||
{
|
||||
return *(uint32_t *)(dt_addr + dt_offset);
|
||||
}
|
||||
|
||||
/* get a qword value from given table and its offset */
|
||||
static inline uint64_t get_acpi_dt_qword(const uint8_t *dt_addr, uint32_t dt_offset)
|
||||
{
|
||||
return *(uint64_t *)(dt_addr + dt_offset);
|
||||
}
|
||||
|
||||
struct packed_gas {
|
||||
uint8_t space_id;
|
||||
uint8_t bit_width;
|
||||
uint8_t bit_offset;
|
||||
uint8_t access_size;
|
||||
uint64_t address;
|
||||
} __attribute__((packed));
|
||||
|
||||
/* get a GAS struct from given table and its offset.
|
||||
* ACPI table stores packed gas, but it is not guaranteed that
|
||||
* struct acpi_generic_address is packed, so do not use memcpy in function.
|
||||
* @pre dt_addr != NULL && gas != NULL
|
||||
*/
|
||||
static inline void get_acpi_dt_gas(const uint8_t *dt_addr, uint32_t dt_offset, struct acpi_generic_address *gas)
|
||||
{
|
||||
struct packed_gas *dt_gas = (struct packed_gas *)(dt_addr + dt_offset);
|
||||
|
||||
gas->space_id = dt_gas->space_id;
|
||||
gas->bit_width = dt_gas->bit_width;
|
||||
gas->bit_offset = dt_gas->bit_offset;
|
||||
gas->access_size = dt_gas->access_size;
|
||||
gas->address = dt_gas->address;
|
||||
}
|
||||
|
||||
/* @pre facp_addr != NULL */
|
||||
static void *get_facs_table(const uint8_t *facp_addr)
|
||||
{
|
||||
uint8_t *facs_addr, *facs_x_addr;
|
||||
uint32_t signature, length;
|
||||
|
||||
facs_addr = (uint8_t *)(uint64_t)get_acpi_dt_dword(facp_addr, OFFSET_FACS_ADDR);
|
||||
|
||||
facs_x_addr = (uint8_t *)get_acpi_dt_qword(facp_addr, OFFSET_FACS_X_ADDR);
|
||||
|
||||
if (facs_x_addr != NULL) {
|
||||
facs_addr = facs_x_addr;
|
||||
}
|
||||
|
||||
if (facs_addr != NULL) {
|
||||
signature = get_acpi_dt_dword(facs_addr, OFFSET_FACS_SIGNATURE);
|
||||
|
||||
if (signature != ACPI_SIG_FACS) {
|
||||
facs_addr = NULL;
|
||||
} else {
|
||||
length = get_acpi_dt_dword(facs_addr, OFFSET_FACS_LENGTH);
|
||||
|
||||
if (length < 64U) {
|
||||
facs_addr = NULL;
|
||||
}
|
||||
}
|
||||
}
|
||||
return (void *)facs_addr;
|
||||
}
|
||||
|
||||
/* put all ACPI fix up code here */
|
||||
void acpi_fixup(void)
|
||||
{
|
||||
uint8_t *facp_addr, *facs_addr;
|
||||
struct acpi_generic_address pm1a_cnt, pm1a_evt;
|
||||
struct pm_s_state_data *sx_data = get_host_sstate_data();
|
||||
|
||||
facp_addr = (uint8_t *)get_acpi_tbl(ACPI_SIG_FADT);
|
||||
|
||||
if (facp_addr != NULL) {
|
||||
get_acpi_dt_gas(facp_addr, OFFSET_PM1A_EVT, &pm1a_evt);
|
||||
get_acpi_dt_gas(facp_addr, OFFSET_PM1A_CNT, &pm1a_cnt);
|
||||
(void)memcpy_s((void *)&sx_data->pm1a_evt, sizeof(struct acpi_generic_address),
|
||||
(const void *)&pm1a_evt, sizeof(struct acpi_generic_address));
|
||||
(void)memcpy_s((void *)&sx_data->pm1a_cnt, sizeof(struct acpi_generic_address),
|
||||
(const void *)&pm1a_cnt, sizeof(struct acpi_generic_address));
|
||||
|
||||
facs_addr = (uint8_t *)get_facs_table(facp_addr);
|
||||
if (facs_addr != NULL) {
|
||||
sx_data->wake_vector_32 = (uint32_t *)(facs_addr + OFFSET_WAKE_VECTOR_32);
|
||||
sx_data->wake_vector_64 = (uint64_t *)(facs_addr + OFFSET_WAKE_VECTOR_64);
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif
|
||||
Loading…
Reference in New Issue
Block a user