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