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ACPI: Keep common flags in structures for later usage
This commit is contained in:
Liav A
Andreas Kling
parent
3cbc2f4381
commit
5d7855adea
Notes:
sideshowbarker
2024-07-19 08:45:35 +09:00
Author: https://github.com/supercomputer7 Commit: https://github.com/SerenityOS/serenity/commit/5d7855adeab Pull-request: https://github.com/SerenityOS/serenity/pull/1415 Reviewed-by: https://github.com/awesomekling
5 changed files with 128 additions and 27 deletions
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@ -94,6 +94,16 @@ namespace ACPI {
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klog() << "ACPI Limited: No AML Interpretation Allowed";
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ASSERT_NOT_REACHED();
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}
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const FADTFlags::HardwareFeatures& Parser::hardware_features() const
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{
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klog() << "ACPI Limited: Hardware features cannot be obtained";
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ASSERT_NOT_REACHED();
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}
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const FADTFlags::x86_Specific_Flags& Parser::x86_specific_flags() const
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{
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klog() << "ACPI Limited: x86 specific features cannot be obtained";
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ASSERT_NOT_REACHED();
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}
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bool Parser::is_operable()
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{
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return false;
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@ -48,6 +48,9 @@ public:
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virtual void try_acpi_shutdown();
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virtual bool can_shutdown() { return false; }
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virtual const FADTFlags::HardwareFeatures& hardware_features() const;
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virtual const FADTFlags::x86_Specific_Flags& x86_specific_flags() const;
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virtual void enable_aml_interpretation();
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virtual void enable_aml_interpretation(File&);
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virtual void enable_aml_interpretation(u8*, u32);
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@ -87,6 +87,15 @@ namespace ACPI {
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m_facs = find_table("FACS");
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}
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const FADTFlags::HardwareFeatures& StaticParser::hardware_features() const
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{
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return m_hardware_flags;
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}
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const FADTFlags::x86_Specific_Flags& StaticParser::x86_specific_flags() const
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{
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return m_x86_specific_flags;
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}
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void StaticParser::init_fadt()
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{
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klog() << "ACPI: Initializing Fixed ACPI data";
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@ -96,11 +105,40 @@ namespace ACPI {
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ASSERT(!m_fadt.is_null());
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auto checkup_region = MM.allocate_kernel_region(m_fadt.page_base(), (PAGE_SIZE * 2), "ACPI Static Parser", Region::Access::Read);
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auto* sdt = (const Structures::SDTHeader*)checkup_region->vaddr().offset(m_fadt.offset_in_page()).as_ptr();
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auto* sdt = (const Structures::FADT*)checkup_region->vaddr().offset(m_fadt.offset_in_page()).as_ptr();
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#ifdef ACPI_DEBUG
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dbg() << "ACPI: FADT @ V " << sdt << ", P " << (void*)fadt.as_ptr();
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#endif
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klog() << "ACPI: Fixed ACPI data, Revision " << sdt->revision << ", Length " << sdt->length << " bytes";
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klog() << "ACPI: Fixed ACPI data, Revision " << sdt->h.revision << ", Length " << sdt->h.length << " bytes";
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klog() << "ACPI: DSDT " << PhysicalAddress(sdt->dsdt_ptr);
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m_x86_specific_flags.cmos_rtc_not_present = (sdt->ia_pc_boot_arch_flags & (u8)FADTFlags::IA_PC_Flags::CMOS_RTC_Not_Present);
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m_x86_specific_flags.keyboard_8042 = (sdt->ia_pc_boot_arch_flags & (u8)FADTFlags::IA_PC_Flags::PS2_8042);
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m_x86_specific_flags.legacy_devices = (sdt->ia_pc_boot_arch_flags & (u8)FADTFlags::IA_PC_Flags::Legacy_Devices);
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m_x86_specific_flags.msi_not_supported = (sdt->ia_pc_boot_arch_flags & (u8)FADTFlags::IA_PC_Flags::MSI_Not_Supported);
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m_x86_specific_flags.vga_not_present = (sdt->ia_pc_boot_arch_flags & (u8)FADTFlags::IA_PC_Flags::VGA_Not_Present);
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m_hardware_flags.cpu_software_sleep = (sdt->flags & (u32)FADTFlags::FeatureFlags::CPU_SW_SLP);
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m_hardware_flags.docking_capability = (sdt->flags & (u32)FADTFlags::FeatureFlags::DCK_CAP);
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m_hardware_flags.fix_rtc = (sdt->flags & (u32)FADTFlags::FeatureFlags::FIX_RTC);
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m_hardware_flags.force_apic_cluster_model = (sdt->flags & (u32)FADTFlags::FeatureFlags::FORCE_APIC_CLUSTER_MODEL);
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m_hardware_flags.force_apic_physical_destination_mode = (sdt->flags & (u32)FADTFlags::FeatureFlags::FORCE_APIC_PHYSICAL_DESTINATION_MODE);
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m_hardware_flags.hardware_reduced_acpi = (sdt->flags & (u32)FADTFlags::FeatureFlags::HW_REDUCED_ACPI);
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m_hardware_flags.headless = (sdt->flags & (u32)FADTFlags::FeatureFlags::HEADLESS);
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m_hardware_flags.low_power_s0_idle_capable = (sdt->flags & (u32)FADTFlags::FeatureFlags::LOW_POWER_S0_IDLE_CAPABLE);
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m_hardware_flags.multiprocessor_c2 = (sdt->flags & (u32)FADTFlags::FeatureFlags::P_LVL2_UP);
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m_hardware_flags.pci_express_wake = (sdt->flags & (u32)FADTFlags::FeatureFlags::PCI_EXP_WAK);
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m_hardware_flags.power_button = (sdt->flags & (u32)FADTFlags::FeatureFlags::PWR_BUTTON);
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m_hardware_flags.processor_c1 = (sdt->flags & (u32)FADTFlags::FeatureFlags::PROC_C1);
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m_hardware_flags.remote_power_on_capable = (sdt->flags & (u32)FADTFlags::FeatureFlags::REMOTE_POWER_ON_CAPABLE);
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m_hardware_flags.reset_register_supported = (sdt->flags & (u32)FADTFlags::FeatureFlags::RESET_REG_SUPPORTED);
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m_hardware_flags.rtc_s4 = (sdt->flags & (u32)FADTFlags::FeatureFlags::RTC_s4);
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m_hardware_flags.s4_rtc_status_valid = (sdt->flags & (u32)FADTFlags::FeatureFlags::S4_RTC_STS_VALID);
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m_hardware_flags.sealed_case = (sdt->flags & (u32)FADTFlags::FeatureFlags::SEALED_CASE);
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m_hardware_flags.sleep_button = (sdt->flags & (u32)FADTFlags::FeatureFlags::SLP_BUTTON);
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m_hardware_flags.timer_value_extension = (sdt->flags & (u32)FADTFlags::FeatureFlags::TMR_VAL_EXT);
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m_hardware_flags.use_platform_clock = (sdt->flags & (u32)FADTFlags::FeatureFlags::USE_PLATFORM_CLOCK);
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m_hardware_flags.wbinvd = (sdt->flags & (u32)FADTFlags::FeatureFlags::WBINVD);
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m_hardware_flags.wbinvd_flush = (sdt->flags & (u32)FADTFlags::FeatureFlags::WBINVD_FLUSH);
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}
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bool StaticParser::can_reboot()
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@ -109,7 +147,7 @@ namespace ACPI {
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auto* fadt = (const Structures::FADT*)region->vaddr().offset(m_fadt.offset_in_page()).as_ptr();
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if (fadt->h.revision < 2)
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return false;
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return (fadt->flags & (u32)FADTFeatureFlags::RESET_REG_SUPPORTED) != 0;
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return m_hardware_flags.reset_register_supported;
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}
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void StaticParser::access_generic_address(const Structures::GenericAddressStructure& structure, u32 value)
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@ -26,8 +26,8 @@
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#pragma once
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#include <Kernel/ACPI/ACPIParser.h>
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#include <AK/OwnPtr.h>
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#include <Kernel/ACPI/ACPIParser.h>
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namespace Kernel {
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namespace ACPI {
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@ -45,6 +45,9 @@ namespace ACPI {
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virtual void try_acpi_shutdown() override;
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virtual bool is_operable() override { return m_operable; }
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virtual const FADTFlags::HardwareFeatures& hardware_features() const override;
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virtual const FADTFlags::x86_Specific_Flags& x86_specific_flags() const override;
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protected:
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StaticParser();
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explicit StaticParser(PhysicalAddress);
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@ -69,6 +72,8 @@ namespace ACPI {
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PhysicalAddress m_facs;
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bool m_xsdt_supported;
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FADTFlags::HardwareFeatures m_hardware_flags;
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FADTFlags::x86_Specific_Flags m_x86_specific_flags;
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};
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}
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}
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@ -35,29 +35,74 @@ namespace Kernel {
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namespace ACPI {
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enum class FADTFeatureFlags : u32 {
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WBINVD = 1 << 0,
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WBINVD_FLUSH = 1 << 1,
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PROC_C1 = 1 << 2,
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P_LVL2_UP = 1 << 3,
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PWR_BUTTON = 1 << 4,
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SLP_BUTTON = 1 << 5,
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FIX_RTC = 1 << 6,
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RTC_s4 = 1 << 7,
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TMR_VAL_EXT = 1 << 8,
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DCK_CAP = 1 << 9,
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RESET_REG_SUPPORTED = 1 << 10,
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SEALED_CASE = 1 << 11,
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HEADLESS = 1 << 12,
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CPU_SW_SLP = 1 << 13,
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PCI_EXP_WAK = 1 << 14,
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USE_PLATFORM_CLOCK = 1 << 15,
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S4_RTC_STS_VALID = 1 << 16,
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REMOTE_POWER_ON_CAPABLE = 1 << 17,
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FORCE_APIC_CLUSTER_MODEL = 1 << 18,
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FORCE_APIC_PHYSICAL_DESTINATION_MODE = 1 << 19,
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HW_REDUCED_ACPI = 1 << 20,
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LOW_POWER_S0_IDLE_CAPABLE = 1 << 21
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namespace FADTFlags {
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enum class FeatureFlags : u32 {
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WBINVD = 1 << 0,
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WBINVD_FLUSH = 1 << 1,
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PROC_C1 = 1 << 2,
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P_LVL2_UP = 1 << 3,
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PWR_BUTTON = 1 << 4,
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SLP_BUTTON = 1 << 5,
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FIX_RTC = 1 << 6,
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RTC_s4 = 1 << 7,
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TMR_VAL_EXT = 1 << 8,
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DCK_CAP = 1 << 9,
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RESET_REG_SUPPORTED = 1 << 10,
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SEALED_CASE = 1 << 11,
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HEADLESS = 1 << 12,
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CPU_SW_SLP = 1 << 13,
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PCI_EXP_WAK = 1 << 14,
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USE_PLATFORM_CLOCK = 1 << 15,
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S4_RTC_STS_VALID = 1 << 16,
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REMOTE_POWER_ON_CAPABLE = 1 << 17,
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FORCE_APIC_CLUSTER_MODEL = 1 << 18,
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FORCE_APIC_PHYSICAL_DESTINATION_MODE = 1 << 19,
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HW_REDUCED_ACPI = 1 << 20,
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LOW_POWER_S0_IDLE_CAPABLE = 1 << 21
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};
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enum class IA_PC_Flags : u8 {
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Legacy_Devices = 1 << 0,
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PS2_8042 = 1 << 1,
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VGA_Not_Present = 1 << 2,
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MSI_Not_Supported = 1 << 3,
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PCIe_ASPM_Controls = 1 << 4,
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CMOS_RTC_Not_Present = 1 << 5
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};
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struct [[gnu::packed]] HardwareFeatures
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{
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bool wbinvd : 1;
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bool wbinvd_flush : 1;
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bool processor_c1 : 1;
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bool multiprocessor_c2 : 1;
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bool power_button : 1;
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bool sleep_button : 1;
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bool fix_rtc : 1;
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bool rtc_s4 : 1;
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bool timer_value_extension : 1;
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bool docking_capability : 1;
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bool reset_register_supported : 1;
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bool sealed_case : 1;
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bool headless : 1;
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bool cpu_software_sleep : 1;
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bool pci_express_wake : 1;
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bool use_platform_clock : 1;
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bool s4_rtc_status_valid : 1;
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bool remote_power_on_capable : 1;
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bool force_apic_cluster_model : 1;
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bool force_apic_physical_destination_mode : 1;
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bool hardware_reduced_acpi : 1;
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bool low_power_s0_idle_capable : 1;
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};
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struct [[gnu::packed]] x86_Specific_Flags
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{
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bool legacy_devices : 1;
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bool keyboard_8042 : 1;
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bool vga_not_present : 1;
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bool msi_not_supported : 1;
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bool cmos_rtc_not_present : 1;
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};
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};
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namespace GenericAddressStructure {
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