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authorLiav A <liavalb@gmail.com>2020-02-28 22:24:10 +0200
committerAndreas Kling <kling@serenityos.org>2020-02-29 00:12:46 +0100
commitb9c65ea7463d0eabd05292a080c6531ef0d28cfd (patch)
tree3df4ca8f2366278eab58ffe0b846ceab4dcebf12
parentbf55d83c1f466935abcc84bbb261e9be77fc9db3 (diff)
downloadserenity-b9c65ea7463d0eabd05292a080c6531ef0d28cfd.zip
ACPI: Adopt the changes in the definitions file
Also, the functions for StaticParsing namespace were added. Therefore, some early access functionality is being used also in ACPI::StaticParser class.
-rw-r--r--Kernel/ACPI/ACPIDynamicParser.cpp117
-rw-r--r--Kernel/ACPI/ACPIDynamicParser.h11
-rw-r--r--Kernel/ACPI/ACPIParser.cpp126
-rw-r--r--Kernel/ACPI/ACPIParser.h10
-rw-r--r--Kernel/ACPI/ACPIStaticParser.cpp547
-rw-r--r--Kernel/ACPI/ACPIStaticParser.h60
6 files changed, 407 insertions, 464 deletions
diff --git a/Kernel/ACPI/ACPIDynamicParser.cpp b/Kernel/ACPI/ACPIDynamicParser.cpp
index 4f33538905..c46031956a 100644
--- a/Kernel/ACPI/ACPIDynamicParser.cpp
+++ b/Kernel/ACPI/ACPIDynamicParser.cpp
@@ -28,70 +28,71 @@
#include <Kernel/ACPI/ACPIParser.h>
namespace Kernel {
-
-void ACPIDynamicParser::initialize(PhysicalAddress rsdp)
-{
- if (!ACPIStaticParser::is_initialized()) {
- new ACPIDynamicParser(rsdp);
+namespace ACPI {
+ void DynamicParser::initialize(PhysicalAddress rsdp)
+ {
+ if (!StaticParser::is_initialized()) {
+ new DynamicParser(rsdp);
+ }
}
-}
-void ACPIDynamicParser::initialize_without_rsdp()
-{
- if (!ACPIStaticParser::is_initialized()) {
- new ACPIDynamicParser();
+ void DynamicParser::initialize_without_rsdp()
+ {
+ if (!StaticParser::is_initialized()) {
+ new DynamicParser();
+ }
}
-}
-ACPIDynamicParser::ACPIDynamicParser()
- : IRQHandler(9)
- , ACPIStaticParser()
+ DynamicParser::DynamicParser()
+ : IRQHandler(9)
+ , StaticParser()
-{
- kprintf("ACPI: Dynamic Parsing Enabled, Can parse AML\n");
-}
-ACPIDynamicParser::ACPIDynamicParser(PhysicalAddress rsdp)
- : IRQHandler(9)
- , ACPIStaticParser(rsdp)
-{
- kprintf("ACPI: Dynamic Parsing Enabled, Can parse AML\n");
-}
+ {
+ kprintf("ACPI: Dynamic Parsing Enabled, Can parse AML\n");
+ }
+ DynamicParser::DynamicParser(PhysicalAddress rsdp)
+ : IRQHandler(9)
+ , StaticParser(rsdp)
+ {
+ kprintf("ACPI: Dynamic Parsing Enabled, Can parse AML\n");
+ }
-void ACPIDynamicParser::handle_irq(RegisterState&)
-{
- // FIXME: Implement IRQ handling of ACPI signals!
- ASSERT_NOT_REACHED();
-}
+ void DynamicParser::handle_irq(RegisterState&)
+ {
+ // FIXME: Implement IRQ handling of ACPI signals!
+ ASSERT_NOT_REACHED();
+ }
-void ACPIDynamicParser::enable_aml_interpretation()
-{
- // FIXME: Implement AML Interpretation
- ASSERT_NOT_REACHED();
-}
-void ACPIDynamicParser::enable_aml_interpretation(File&)
-{
- // FIXME: Implement AML Interpretation
- ASSERT_NOT_REACHED();
-}
-void ACPIDynamicParser::enable_aml_interpretation(u8*, u32)
-{
- // FIXME: Implement AML Interpretation
- ASSERT_NOT_REACHED();
-}
-void ACPIDynamicParser::disable_aml_interpretation()
-{
- // FIXME: Implement AML Interpretation
- ASSERT_NOT_REACHED();
-}
-void ACPIDynamicParser::do_acpi_shutdown()
-{
- // FIXME: Implement AML Interpretation to perform ACPI shutdown
- ASSERT_NOT_REACHED();
-}
+ void DynamicParser::enable_aml_interpretation()
+ {
+ // FIXME: Implement AML Interpretation
+ ASSERT_NOT_REACHED();
+ }
+ void DynamicParser::enable_aml_interpretation(File&)
+ {
+ // FIXME: Implement AML Interpretation
+ ASSERT_NOT_REACHED();
+ }
+ void DynamicParser::enable_aml_interpretation(u8*, u32)
+ {
+ // FIXME: Implement AML Interpretation
+ ASSERT_NOT_REACHED();
+ }
+ void DynamicParser::disable_aml_interpretation()
+ {
+ // FIXME: Implement AML Interpretation
+ ASSERT_NOT_REACHED();
+ }
+ void DynamicParser::do_acpi_shutdown()
+ {
+ // FIXME: Implement AML Interpretation to perform ACPI shutdown
+ ASSERT_NOT_REACHED();
+ }
-void ACPIDynamicParser::build_namespace()
-{
- // FIXME: Implement AML Interpretation to build the ACPI namespace
- ASSERT_NOT_REACHED();
-}
+ void DynamicParser::build_namespace()
+ {
+ // FIXME: Implement AML Interpretation to build the ACPI namespace
+ ASSERT_NOT_REACHED();
+ }
}
+}
diff --git a/Kernel/ACPI/ACPIDynamicParser.h b/Kernel/ACPI/ACPIDynamicParser.h
index a02d6e7474..4ba83879bc 100644
--- a/Kernel/ACPI/ACPIDynamicParser.h
+++ b/Kernel/ACPI/ACPIDynamicParser.h
@@ -34,9 +34,9 @@
#include <LibBareMetal/Memory/PhysicalAddress.h>
namespace Kernel {
-
-class ACPIDynamicParser final : public IRQHandler
- , ACPIStaticParser {
+namespace ACPI {
+class DynamicParser final : public IRQHandler
+ , StaticParser {
public:
static void initialize(PhysicalAddress rsdp);
static void initialize_without_rsdp();
@@ -48,8 +48,8 @@ public:
virtual void do_acpi_shutdown() override;
protected:
- ACPIDynamicParser();
- explicit ACPIDynamicParser(PhysicalAddress);
+ DynamicParser();
+ explicit DynamicParser(PhysicalAddress);
private:
void build_namespace();
@@ -60,3 +60,4 @@ private:
};
}
+}
diff --git a/Kernel/ACPI/ACPIParser.cpp b/Kernel/ACPI/ACPIParser.cpp
index ff4a421a98..bfbf3eaf16 100644
--- a/Kernel/ACPI/ACPIParser.cpp
+++ b/Kernel/ACPI/ACPIParser.cpp
@@ -27,78 +27,78 @@
#include <Kernel/ACPI/ACPIParser.h>
namespace Kernel {
+namespace ACPI {
+ static Parser* s_acpi_parser;
-static ACPIParser* s_acpi_parser;
-
-ACPIParser& ACPIParser::the()
-{
- ASSERT(s_acpi_parser != nullptr);
- return *s_acpi_parser;
-}
+ Parser& Parser::the()
+ {
+ ASSERT(s_acpi_parser != nullptr);
+ return *s_acpi_parser;
+ }
-void ACPIParser::initialize_limited()
-{
- if (!ACPIParser::is_initialized()) {
- s_acpi_parser = new ACPIParser(false);
+ void Parser::initialize_limited()
+ {
+ if (!Parser::is_initialized()) {
+ s_acpi_parser = new Parser(false);
+ }
}
-}
-bool ACPIParser::is_initialized()
-{
- return (s_acpi_parser != nullptr);
-}
+ bool Parser::is_initialized()
+ {
+ return (s_acpi_parser != nullptr);
+ }
-ACPIParser::ACPIParser(bool usable)
-{
- if (usable) {
- kprintf("ACPI: Setting up a functional parser\n");
- } else {
- kprintf("ACPI: Limited Initialization. Vital functions are disabled by a request\n");
+ Parser::Parser(bool usable)
+ {
+ if (usable) {
+ kprintf("ACPI: Setting up a functional parser\n");
+ } else {
+ kprintf("ACPI: Limited Initialization. Vital functions are disabled by a request\n");
+ }
+ s_acpi_parser = this;
}
- s_acpi_parser = this;
-}
-PhysicalAddress ACPIParser::find_table(const char*)
-{
- kprintf("ACPI: Requested to search for a table, Abort!\n");
- return {};
-}
+ PhysicalAddress Parser::find_table(const char*)
+ {
+ kprintf("ACPI: Requested to search for a table, Abort!\n");
+ return {};
+ }
-void ACPIParser::do_acpi_reboot()
-{
- kprintf("ACPI: Cannot invoke reboot!\n");
- ASSERT_NOT_REACHED();
-}
+ void Parser::do_acpi_reboot()
+ {
+ kprintf("ACPI: Cannot invoke reboot!\n");
+ ASSERT_NOT_REACHED();
+ }
-void ACPIParser::do_acpi_shutdown()
-{
- kprintf("ACPI: Cannot invoke shutdown!\n");
- ASSERT_NOT_REACHED();
-}
+ void Parser::do_acpi_shutdown()
+ {
+ kprintf("ACPI: Cannot invoke shutdown!\n");
+ ASSERT_NOT_REACHED();
+ }
-void ACPIParser::enable_aml_interpretation()
-{
- kprintf("ACPI: No AML Interpretation Allowed\n");
- ASSERT_NOT_REACHED();
-}
-void ACPIParser::enable_aml_interpretation(File&)
-{
- kprintf("ACPI: No AML Interpretation Allowed\n");
- ASSERT_NOT_REACHED();
-}
-void ACPIParser::enable_aml_interpretation(u8*, u32)
-{
- kprintf("ACPI: No AML Interpretation Allowed\n");
- ASSERT_NOT_REACHED();
-}
-void ACPIParser::disable_aml_interpretation()
-{
- kprintf("ACPI Limited: No AML Interpretation Allowed\n");
- ASSERT_NOT_REACHED();
-}
-bool ACPIParser::is_operable()
-{
- return false;
+ void Parser::enable_aml_interpretation()
+ {
+ kprintf("ACPI: No AML Interpretation Allowed\n");
+ ASSERT_NOT_REACHED();
+ }
+ void Parser::enable_aml_interpretation(File&)
+ {
+ kprintf("ACPI: No AML Interpretation Allowed\n");
+ ASSERT_NOT_REACHED();
+ }
+ void Parser::enable_aml_interpretation(u8*, u32)
+ {
+ kprintf("ACPI: No AML Interpretation Allowed\n");
+ ASSERT_NOT_REACHED();
+ }
+ void Parser::disable_aml_interpretation()
+ {
+ kprintf("ACPI Limited: No AML Interpretation Allowed\n");
+ ASSERT_NOT_REACHED();
+ }
+ bool Parser::is_operable()
+ {
+ return false;
+ }
}
-
}
diff --git a/Kernel/ACPI/ACPIParser.h b/Kernel/ACPI/ACPIParser.h
index 1929b42811..e3a4d17cab 100644
--- a/Kernel/ACPI/ACPIParser.h
+++ b/Kernel/ACPI/ACPIParser.h
@@ -34,10 +34,10 @@
#include <LibBareMetal/Memory/VirtualAddress.h>
namespace Kernel {
-
-class ACPIParser {
+namespace ACPI {
+class Parser {
public:
- static ACPIParser& the();
+ static Parser& the();
static bool is_initialized();
static void initialize_limited();
@@ -53,8 +53,8 @@ public:
virtual bool is_operable();
protected:
- explicit ACPIParser(bool usable);
+ explicit Parser(bool usable);
bool m_operable;
};
-
+}
}
diff --git a/Kernel/ACPI/ACPIStaticParser.cpp b/Kernel/ACPI/ACPIStaticParser.cpp
index a5dfdb4a5c..21e1272d36 100644
--- a/Kernel/ACPI/ACPIStaticParser.cpp
+++ b/Kernel/ACPI/ACPIStaticParser.cpp
@@ -32,378 +32,321 @@
//#define ACPI_DEBUG
namespace Kernel {
+namespace ACPI {
-void ACPIStaticParser::initialize(PhysicalAddress rsdp)
-{
- if (!ACPIParser::is_initialized()) {
- new ACPIStaticParser(rsdp);
+ void StaticParser::initialize(PhysicalAddress rsdp)
+ {
+ if (!Parser::is_initialized()) {
+ new StaticParser(rsdp);
+ }
}
-}
-void ACPIStaticParser::initialize_without_rsdp()
-{
- if (!ACPIParser::is_initialized()) {
- new ACPIStaticParser();
+ void StaticParser::initialize_without_rsdp()
+ {
+ if (!Parser::is_initialized()) {
+ new StaticParser();
+ }
}
-}
-bool ACPIStaticParser::is_initialized()
-{
- return ACPIParser::is_initialized();
-}
+ bool StaticParser::is_initialized()
+ {
+ return Parser::is_initialized();
+ }
-void ACPIStaticParser::locate_static_data()
-{
- locate_main_system_description_table();
- initialize_main_system_description_table();
- init_fadt();
- locate_all_aml_tables();
-}
+ void StaticParser::locate_static_data()
+ {
+ locate_main_system_description_table();
+ initialize_main_system_description_table();
+ init_fadt();
+ init_facs();
+ }
-PhysicalAddress ACPIStaticParser::find_table(const char* sig)
-{
+ PhysicalAddress StaticParser::find_table(const char* sig)
+ {
#ifdef ACPI_DEBUG
- dbg() << "ACPI: Calling Find Table method!";
+ dbg() << "ACPI: Calling Find Table method!";
#endif
- for (auto* physical_sdt_ptr : m_main_sdt->get_sdt_pointers()) {
- auto region = MM.allocate_kernel_region(PhysicalAddress(page_base_of(physical_sdt_ptr)), (PAGE_SIZE * 2), "ACPI Static Parser Tables Finding", Region::Access::Read);
- auto* sdt = (const ACPI_RAW::SDTHeader*)region->vaddr().offset(offset_in_page(physical_sdt_ptr)).as_ptr();
+ for (auto p_sdt : m_sdt_pointers) {
+ auto region = MM.allocate_kernel_region(p_sdt.page_base(), (PAGE_SIZE * 2), "ACPI Static Parser Tables Finding", Region::Access::Read);
+ auto* sdt = (const Structures::SDTHeader*)region->vaddr().offset(p_sdt.offset_in_page().get()).as_ptr();
#ifdef ACPI_DEBUG
- dbg() << "ACPI: Examining Table @ P " << physical_sdt_ptr;
+ dbg() << "ACPI: Examining Table @ P " << physical_sdt_ptr;
#endif
- if (!strncmp(sdt->sig, sig, 4)) {
+ if (!strncmp(sdt->sig, sig, 4)) {
#ifdef ACPI_DEBUG
- dbg() << "ACPI: Found Table @ P " << physical_sdt_ptr;
+ dbg() << "ACPI: Found Table @ P " << physical_sdt_ptr;
#endif
- return PhysicalAddress((uintptr_t)physical_sdt_ptr);
+ return p_sdt;
+ }
}
+ return {};
}
- return {};
-}
-void ACPIStaticParser::init_fadt()
-{
- kprintf("ACPI: Initializing Fixed ACPI data\n");
- kprintf("ACPI: Searching for the Fixed ACPI Data Table\n");
+ void StaticParser::init_facs()
+ {
+ m_facs = find_table("FACS");
+ }
- auto fadt = find_table("FACP");
- ASSERT(!fadt.is_null());
+ void StaticParser::init_fadt()
+ {
+ kprintf("ACPI: Initializing Fixed ACPI data\n");
+ kprintf("ACPI: Searching for the Fixed ACPI Data Table\n");
- auto checkup_region = MM.allocate_kernel_region(fadt.page_base(), (PAGE_SIZE * 2), "ACPI Static Parser", Region::Access::Read);
-#ifdef ACPI_DEBUG
- dbg() << "ACPI: Checking FADT Length to choose the correct mapping size";
-#endif
+ m_fadt = find_table("FACP");
+ ASSERT(!m_fadt.is_null());
- auto* sdt = (const ACPI_RAW::SDTHeader*)checkup_region->vaddr().offset(fadt.offset_in_page().get()).as_ptr();
+ auto checkup_region = MM.allocate_kernel_region(m_fadt.page_base(), (PAGE_SIZE * 2), "ACPI Static Parser", Region::Access::Read);
+ auto* sdt = (const Structures::SDTHeader*)checkup_region->vaddr().offset(m_fadt.offset_in_page().get()).as_ptr();
#ifdef ACPI_DEBUG
- dbg() << "ACPI: FADT @ V " << sdt << ", P " << (void*)fadt.as_ptr();
+ dbg() << "ACPI: FADT @ V " << sdt << ", P " << (void*)fadt.as_ptr();
#endif
- u32 length = sdt->length;
- kprintf("ACPI: Fixed ACPI data, Revision %u\n", sdt->revision);
+ kprintf("ACPI: Fixed ACPI data, Revision %u, Length %u bytes\n", sdt->revision, sdt->length);
+ }
- auto fadt_region = MM.allocate_kernel_region(fadt.page_base(), PAGE_ROUND_UP(length) + PAGE_SIZE, "ACPI Static Parser", Region::Access::Read);
- m_fadt = make<ACPI::FixedACPIData>(*(ACPI_RAW::FADT*)fadt_region->vaddr().offset(fadt.offset_in_page().get()).as_ptr());
+ void StaticParser::do_acpi_reboot()
+ {
+ // FIXME: Determine if we need to do MMIO/PCI/IO access to reboot, according to ACPI spec 6.2, Section 4.8.3.6
#ifdef ACPI_DEBUG
- dbg() << "ACPI: Finished to initialize Fixed ACPI data";
+ dbg() << "ACPI: Rebooting, Probing FADT (P @ " << m_fadt.ptr() << ")";
#endif
-}
+ auto region = MM.allocate_kernel_region(m_fadt.page_base(), (PAGE_SIZE * 2), "ACPI Static Parser", Region::Access::Read);
+ auto* fadt = (const Structures::FADT*)region->vaddr().offset(m_fadt.offset_in_page().get()).as_ptr();
+ if (fadt->h.revision >= 2) {
+ kprintf("ACPI: Reboot, Sending value 0%x to Port 0x%x\n", fadt->reset_value, fadt->reset_reg.address);
+ IO::out8(fadt->reset_reg.address, fadt->reset_value);
+ } else {
+ kprintf("ACPI: Reboot, Not supported!\n");
+ }
-void ACPIStaticParser::do_acpi_reboot()
-{
- // FIXME: Determine if we need to do MMIO/PCI/IO access to reboot, according to ACPI spec 6.2, Section 4.8.3.6
-#ifdef ACPI_DEBUG
- dbg() << "ACPI: Rebooting, Probing FADT (P @ " << m_fadt.ptr() << ")";
-#endif
- if (m_fadt->m_revision >= 2) {
- kprintf("ACPI: Reboot, Sending value 0%x to Port 0x%x\n", m_fadt->m_reset_value, m_fadt->m_reset_reg.address);
- IO::out8(m_fadt->m_reset_reg.address, m_fadt->m_reset_value);
- } else {
- kprintf("ACPI: Reboot, Not supported!\n");
+ ASSERT_NOT_REACHED(); /// If rebooting didn't work, halt.
}
- ASSERT_NOT_REACHED(); /// If rebooting didn't work, halt.
-}
-
-void ACPIStaticParser::do_acpi_shutdown()
-{
- kprintf("ACPI: Shutdown is not supported with the current configuration, Abort!\n");
- ASSERT_NOT_REACHED();
-}
-
-inline bool validate_acpi_table(ACPI_RAW::SDTHeader& v_header, size_t length)
-{
- u8 checksum = 0;
- auto* sdt = (u8*)&v_header;
- for (size_t i = 0; i < length; i++)
- checksum += sdt[i];
- if (checksum == 0)
- return true;
- return false;
-}
+ void StaticParser::do_acpi_shutdown()
+ {
+ kprintf("ACPI: Shutdown is not supported with the current configuration, Abort!\n");
+ ASSERT_NOT_REACHED();
+ }
-size_t ACPIStaticParser::get_table_size(PhysicalAddress table_header)
-{
- InterruptDisabler disabler;
+ size_t StaticParser::get_table_size(PhysicalAddress table_header)
+ {
+ InterruptDisabler disabler;
#ifdef ACPI_DEBUG
- dbg() << "ACPI: Checking SDT Length";
+ dbg() << "ACPI: Checking SDT Length";
#endif
- auto region = MM.allocate_kernel_region(table_header.page_base(), (PAGE_SIZE * 2), "ACPI get_table_size()", Region::Access::Read);
- auto* sdt = (volatile ACPI_RAW::SDTHeader*)region->vaddr().offset(table_header.offset_in_page().get()).as_ptr();
- return sdt->length;
-}
+ auto region = MM.allocate_kernel_region(table_header.page_base(), (PAGE_SIZE * 2), "ACPI get_table_size()", Region::Access::Read);
+ auto* sdt = (volatile Structures::SDTHeader*)region->vaddr().offset(table_header.offset_in_page().get()).as_ptr();
+ return sdt->length;
+ }
-u8 ACPIStaticParser::get_table_revision(PhysicalAddress table_header)
-{
- InterruptDisabler disabler;
+ u8 StaticParser::get_table_revision(PhysicalAddress table_header)
+ {
+ InterruptDisabler disabler;
#ifdef ACPI_DEBUG
- dbg() << "ACPI: Checking SDT Revision";
+ dbg() << "ACPI: Checking SDT Revision";
#endif
- auto region = MM.allocate_kernel_region(table_header.page_base(), (PAGE_SIZE * 2), "ACPI get_table_revision()", Region::Access::Read);
- auto* sdt = (volatile ACPI_RAW::SDTHeader*)region->vaddr().offset(table_header.offset_in_page().get()).as_ptr();
- return sdt->revision;
-}
+ auto region = MM.allocate_kernel_region(table_header.page_base(), (PAGE_SIZE * 2), "ACPI get_table_revision()", Region::Access::Read);
+ auto* sdt = (volatile Structures::SDTHeader*)region->vaddr().offset(table_header.offset_in_page().get()).as_ptr();
+ return sdt->revision;
+ }
-void ACPIStaticParser::initialize_main_system_description_table()
-{
+ void StaticParser::initialize_main_system_description_table()
+ {
#ifdef ACPI_DEBUG
- dbg() << "ACPI: Checking Main SDT Length to choose the correct mapping size";
+ dbg() << "ACPI: Checking Main SDT Length to choose the correct mapping size";
#endif
- ASSERT(!m_main_system_description_table.is_null());
- auto length = get_table_size(m_main_system_description_table);
- auto revision = get_table_revision(m_main_system_description_table);
-
- auto main_sdt_region = MM.allocate_kernel_region(m_main_system_description_table.page_base(), PAGE_ROUND_UP(length) + PAGE_SIZE, "ACPI Static Parser Initialization", Region::Access::Read, false, true);
- auto* sdt = (volatile ACPI_RAW::SDTHeader*)main_sdt_region->vaddr().offset(m_main_system_description_table.offset_in_page().get()).as_ptr();
- kprintf("ACPI: Main Description Table valid? 0x%x\n", validate_acpi_table(const_cast<ACPI_RAW::SDTHeader&>(*sdt), length));
-
- Vector<ACPI_RAW::SDTHeader*> sdt_pointers;
- if (m_xsdt_supported) {
- volatile auto* xsdt = (volatile ACPI_RAW::XSDT*)sdt;
- kprintf("ACPI: Using XSDT, Enumerating tables @ P 0x%x\n", m_main_system_description_table.get());
- kprintf("ACPI: XSDT Revision %d, Total length - %u\n", revision, length);
+ ASSERT(!m_main_system_description_table.is_null());
+ auto length = get_table_size(m_main_system_description_table);
+ auto revision = get_table_revision(m_main_system_description_table);
+
+ auto main_sdt_region = MM.allocate_kernel_region(m_main_system_description_table.page_base(), PAGE_ROUND_UP(length) + PAGE_SIZE, "ACPI Static Parser Initialization", Region::Access::Read, false, true);
+ auto* sdt = (volatile Structures::SDTHeader*)main_sdt_region->vaddr().offset(m_main_system_description_table.offset_in_page().get()).as_ptr();
+ kprintf("ACPI: Main Description Table valid? 0x%x\n", StaticParsing::validate_table(const_cast<Structures::SDTHeader&>(*sdt), length));
+
+ if (m_xsdt_supported) {
+ volatile auto* xsdt = (volatile Structures::XSDT*)sdt;
+ kprintf("ACPI: Using XSDT, Enumerating tables @ P 0x%x\n", m_main_system_description_table.get());
+ kprintf("ACPI: XSDT Revision %d, Total length - %u\n", revision, length);
#ifdef ACPI_DEBUG
- dbg() << "ACPI: XSDT pointer @ V " << xsdt;
+ dbg() << "ACPI: XSDT pointer @ V " << xsdt;
#endif
- for (u32 i = 0; i < ((length - sizeof(ACPI_RAW::SDTHeader)) / sizeof(u64)); i++) {
+ for (u32 i = 0; i < ((length - sizeof(Structures::SDTHeader)) / sizeof(u64)); i++) {
#ifdef ACPI_DEBUG
- dbg() << "ACPI: Found new table [" << i << "], @ V 0x" << String::format("%x", &xsdt->table_ptrs[i]) << " - P 0x" << String::format("%x", xsdt->table_ptrs[i]);
+ dbg() << "ACPI: Found new table [" << i << "], @ V 0x" << String::format("%x", &xsdt->table_ptrs[i]) << " - P 0x" << String::format("%x", xsdt->table_ptrs[i]);
#endif
- sdt_pointers.append((ACPI_RAW::SDTHeader*)xsdt->table_ptrs[i]);
- }
- } else {
- volatile auto* rsdt = (volatile ACPI_RAW::RSDT*)sdt;
- kprintf("ACPI: Using RSDT, Enumerating tables @ P 0x%x\n", m_main_system_description_table.get());
- kprintf("ACPI: RSDT Revision %d, Total length - %u\n", revision, length);
+ m_sdt_pointers.append(PhysicalAddress(xsdt->table_ptrs[i]));
+ }
+ } else {
+ volatile auto* rsdt = (volatile Structures::RSDT*)sdt;
+ kprintf("ACPI: Using RSDT, Enumerating tables @ P 0x%x\n", m_main_system_description_table.get());
+ kprintf("ACPI: RSDT Revision %d, Total length - %u\n", revision, length);
#ifdef ACPI_DEBUG
- dbg() << "ACPI: RSDT pointer @ V " << rsdt;
+ dbg() << "ACPI: RSDT pointer @ V " << rsdt;
#endif
- for (u32 i = 0; i < ((length - sizeof(ACPI_RAW::SDTHeader)) / sizeof(u32)); i++) {
+ for (u32 i = 0; i < ((length - sizeof(Structures::SDTHeader)) / sizeof(u32)); i++) {
#ifdef ACPI_DEBUG
- dbg() << "ACPI: Found new table [" << i << "], @ V 0x" << String::format("%x", &rsdt->table_ptrs[i]) << " - P 0x" << String::format("%x", rsdt->table_ptrs[i]);
+ dbg() << "ACPI: Found new table [" << i << "], @ V 0x" << String::format("%x", &rsdt->table_ptrs[i]) << " - P 0x" << String::format("%x", rsdt->table_ptrs[i]);
#endif
- sdt_pointers.append((ACPI_RAW::SDTHeader*)rsdt->table_ptrs[i]);
+ m_sdt_pointers.append(PhysicalAddress(rsdt->table_ptrs[i]));
+ }
}
}
- m_main_sdt = OwnPtr<ACPI::MainSystemDescriptionTable>(new ACPI::MainSystemDescriptionTable(move(sdt_pointers)));
-}
-void ACPIStaticParser::locate_main_system_description_table()
-{
- auto rsdp_region = MM.allocate_kernel_region(m_rsdp.page_base(), (PAGE_SIZE * 2), "ACPI Static Parser Initialization", Region::Access::Read, false, true);
- volatile auto* rsdp = (ACPI_RAW::RSDPDescriptor20*)rsdp_region->vaddr().offset(m_rsdp.offset_in_page().get()).as_ptr();
- if (rsdp->base.revision == 0) {
- m_xsdt_supported = false;
- } else if (rsdp->base.revision >= 2) {
- if (rsdp->xsdt_ptr != (u64) nullptr) {
- m_xsdt_supported = true;
- } else {
+ void StaticParser::locate_main_system_description_table()
+ {
+ auto rsdp_region = MM.allocate_kernel_region(m_rsdp.page_base(), (PAGE_SIZE * 2), "ACPI Static Parser Initialization", Region::Access::Read, false, true);
+ volatile auto* rsdp = (Structures::RSDPDescriptor20*)rsdp_region->vaddr().offset(m_rsdp.offset_in_page().get()).as_ptr();
+ if (rsdp->base.revision == 0) {
m_xsdt_supported = false;
+ } else if (rsdp->base.revision >= 2) {
+ if (rsdp->xsdt_ptr != (u64) nullptr) {
+ m_xsdt_supported = true;
+ } else {
+ m_xsdt_supported = false;
+ }
+ }
+ if (!m_xsdt_supported) {
+ m_main_system_description_table = PhysicalAddress(rsdp->base.rsdt_ptr);
+ } else {
+ m_main_system_description_table = PhysicalAddress(rsdp->xsdt_ptr);
}
}
- if (!m_xsdt_supported) {
- m_main_system_description_table = PhysicalAddress(rsdp->base.rsdt_ptr);
- } else {
- m_main_system_description_table = PhysicalAddress(rsdp->xsdt_ptr);
- }
-}
-
-void ACPIStaticParser::locate_all_aml_tables()
-{
- // Note: According to the ACPI spec, DSDT pointer may be found in the FADT table.
- // All other continuation of the DSDT can be found as pointers in the RSDT/XSDT.
- kprintf("ACPI: Searching for AML Tables\n");
- m_aml_tables_ptrs.append(m_fadt->get_dsdt());
- for (auto* sdt_ptr : m_main_sdt->get_sdt_pointers()) {
- auto region = MM.allocate_kernel_region(PhysicalAddress(page_base_of(sdt_ptr)), (PAGE_SIZE * 2), "ACPI Static Parser AML Tables Finding", Region::Access::Read);
- auto* sdt = (ACPI_RAW::SDTHeader*)region->vaddr().offset(offset_in_page(sdt_ptr)).as_ptr();
-#ifdef ACPI_DEBUG
- dbg() << "ACPI: Examining Table @ P " << sdt_ptr;
-#endif
- if (!strncmp(sdt->sig, "SSDT", 4)) {
- kprintf("ACPI: Found AML Table @ P 0x%x, registering\n", sdt_ptr);
- m_aml_tables_ptrs.append(sdt);
+ StaticParser::StaticParser()
+ : Parser(true)
+ , m_rsdp(StaticParsing::search_rsdp())
+ {
+ if (!m_rsdp.is_null()) {
+ kprintf("ACPI: Using RSDP @ P 0x%x\n", m_rsdp);
+ m_operable = true;
+ locate_static_data();
+ } else {
+ m_operable = false;
+ kprintf("ACPI: Disabled, due to RSDP being absent\n");
}
}
-}
-ACPIStaticParser::ACPIStaticParser()
- : ACPIParser(true)
- , m_rsdp(search_rsdp())
-{
- if (!m_rsdp.is_null()) {
- kprintf("ACPI: Using RSDP @ P 0x%x\n", m_rsdp);
+ StaticParser::StaticParser(PhysicalAddress rsdp)
+ : Parser(true)
+ , m_rsdp(rsdp)
+ {
+ kprintf("ACPI: Using RSDP @ Px%x\n", rsdp.get());
m_operable = true;
locate_static_data();
- } else {
- m_operable = false;
- kprintf("ACPI: Disabled, due to RSDP being absent\n");
}
-}
-PhysicalAddress ACPIStaticParser::search_rsdp_in_ebda(u16 ebda_segment)
-{
- auto rsdp_region = MM.allocate_kernel_region(PhysicalAddress(page_base_of((u32)(ebda_segment << 4))), PAGE_ROUND_UP(1024), "ACPI Static Parser RSDP Finding #1", Region::Access::Read, false, true);
- char* p_rsdp_str = (char*)(PhysicalAddress(ebda_segment << 4).as_ptr());
- for (char* rsdp_str = (char*)rsdp_region->vaddr().offset(offset_in_page((u32)(ebda_segment << 4))).as_ptr(); rsdp_str < (char*)(rsdp_region->vaddr().offset(offset_in_page((u32)(ebda_segment << 4))).get() + 1024); rsdp_str += 16) {
+ PhysicalAddress StaticParsing::search_rsdp_in_ebda(u16 ebda_segment)
+ {
+ auto rsdp_region = MM.allocate_kernel_region(PhysicalAddress(page_base_of((u32)(ebda_segment << 4))), PAGE_ROUND_UP(1024), "ACPI Static Parser RSDP Finding #1", Region::Access::Read, false, true);
+ char* p_rsdp_str = (char*)(PhysicalAddress(ebda_segment << 4).as_ptr());
+ for (char* rsdp_str = (char*)rsdp_region->vaddr().offset(offset_in_page((u32)(ebda_segment << 4))).as_ptr(); rsdp_str < (char*)(rsdp_region->vaddr().offset(offset_in_page((u32)(ebda_segment << 4))).get() + 1024); rsdp_str += 16) {
#ifdef ACPI_DEBUG
- dbg() << "ACPI: Looking for RSDP in EBDA @ V " << (void*)rsdp_str << ", P " << (void*)p_rsdp_str;
+ dbg() << "ACPI: Looking for RSDP in EBDA @ V " << (void*)rsdp_str << ", P " << (void*)p_rsdp_str;
#endif
- if (!strncmp("RSD PTR ", rsdp_str, strlen("RSD PTR ")))
- return PhysicalAddress((uintptr_t)p_rsdp_str);
- p_rsdp_str += 16;
+ if (!strncmp("RSD PTR ", rsdp_str, strlen("RSD PTR ")))
+ return PhysicalAddress((uintptr_t)p_rsdp_str);
+ p_rsdp_str += 16;
+ }
+ return {};
}
- return {};
-}
-PhysicalAddress ACPIStaticParser::search_rsdp_in_bios_area()
-{
- auto rsdp_region = MM.allocate_kernel_region(PhysicalAddress(page_base_of((u32)0xE0000)), PAGE_ROUND_UP(0xFFFFF - 0xE0000), "ACPI Static Parser RSDP Finding #2", Region::Access::Read, false, true);
- char* p_rsdp_str = (char*)(PhysicalAddress(0xE0000).as_ptr());
- for (char* rsdp_str = (char*)rsdp_region->vaddr().offset(offset_in_page((u32)(0xE0000))).as_ptr(); rsdp_str < (char*)(rsdp_region->vaddr().offset(offset_in_page((u32)(0xE0000))).get() + (0xFFFFF - 0xE0000)); rsdp_str += 16) {
+ PhysicalAddress StaticParsing::search_rsdp_in_bios_area()
+ {
+ auto rsdp_region = MM.allocate_kernel_region(PhysicalAddress(0xE0000), PAGE_ROUND_UP(0xFFFFF - 0xE0000), "ACPI Static Parser RSDP Finding #2", Region::Access::Read, false, true);
+ char* p_rsdp_str = (char*)(PhysicalAddress(0xE0000).as_ptr());
+ for (char* rsdp_str = (char*)rsdp_region->vaddr().offset(offset_in_page((u32)(0xE0000))).as_ptr(); rsdp_str < (char*)(rsdp_region->vaddr().offset(offset_in_page((u32)(0xE0000))).get() + (0xFFFFF - 0xE0000)); rsdp_str += 16) {
#ifdef ACPI_DEBUG
- dbg() << "ACPI: Looking for RSDP in BIOS ROM area @ V " << (void*)rsdp_str << ", P " << (void*)p_rsdp_str;
+ dbg() << "ACPI: Looking for RSDP in BIOS ROM area @ V " << (void*)rsdp_str << ", P " << (void*)p_rsdp_str;
#endif
- if (!strncmp("RSD PTR ", rsdp_str, strlen("RSD PTR ")))
- return PhysicalAddress((uintptr_t)p_rsdp_str);
- p_rsdp_str += 16;
+ if (!strncmp("RSD PTR ", rsdp_str, strlen("RSD PTR ")))
+ return PhysicalAddress((uintptr_t)p_rsdp_str);
+ p_rsdp_str += 16;
+ }
+ return {};
}
- return {};
-}
-PhysicalAddress ACPIStaticParser::search_rsdp()
-{
- PhysicalAddress rsdp;
- auto region = MM.allocate_kernel_region(PhysicalAddress(0), PAGE_SIZE, "ACPI Static Parser RSDP Finding", Region::Access::Read);
- u16 ebda_seg = (u16) * ((uint16_t*)((region->vaddr().get() & PAGE_MASK) + 0x40e));
- kprintf("ACPI: Probing EBDA, Segment 0x%x\n", ebda_seg);
-
- rsdp = search_rsdp_in_ebda(ebda_seg);
- if (!rsdp.is_null())
- return rsdp;
- return search_rsdp_in_bios_area();
-}
+ inline bool StaticParsing::validate_table(Structures::SDTHeader& v_header, size_t length)
+ {
+ u8 checksum = 0;
+ auto* sdt = (u8*)&v_header;
+ for (size_t i = 0; i < length; i++)
+ checksum += sdt[i];
+ if (checksum == 0)
+ return true;
+ return false;
+ }
-ACPIStaticParser::ACPIStaticParser(PhysicalAddress rsdp)
- : ACPIParser(true)
- , m_rsdp(rsdp)
-{
- kprintf("ACPI: Using RSDP @ Px%x\n", rsdp.get());
- m_operable = true;
- locate_static_data();
-}
+ PhysicalAddress StaticParsing::search_rsdp()
+ {
+ PhysicalAddress rsdp;
+ auto region = MM.allocate_kernel_region(PhysicalAddress(0), PAGE_SIZE, "ACPI RSDP Searching", Region::Access::Read);
+ u16 ebda_seg = (u16) * ((uint16_t*)((region->vaddr().get() & PAGE_MASK) + 0x40e));
+ kprintf("ACPI: Probing EBDA, Segment 0x%x\n", ebda_seg);
+
+ rsdp = search_rsdp_in_ebda(ebda_seg);
+ if (!rsdp.is_null())
+ return rsdp;
+ return search_rsdp_in_bios_area();
+ }
-ACPI::MainSystemDescriptionTable::MainSystemDescriptionTable(Vector<ACPI_RAW::SDTHeader*>&& sdt_pointers)
-{
- for (auto* sdt_ptr : sdt_pointers) {
-#ifdef ACPI_DEBUG
- dbg() << "ACPI: Register new table in Main SDT, @ P " << sdt_ptr;
-#endif
- m_sdt_pointers.append(sdt_ptr);
+ PhysicalAddress StaticParsing::search_table(PhysicalAddress rsdp, const char* signature)
+ {
+ // FIXME: There's no validation of ACPI tables here. Use the checksum to validate the tables.
+ // FIXME: Don't blindly use PAGE_SIZE here, but probe the actual length.
+
+ ASSERT(strlen(signature) == 4);
+ auto rsdp_region = MM.allocate_kernel_region(rsdp.page_base(), (PAGE_SIZE * 2), "ACPI Static Parsing search_table()", Region::Access::Read, false, true);
+ volatile auto* rsdp_ptr = (Structures::RSDPDescriptor20*)rsdp_region->vaddr().offset(rsdp.offset_in_page().get()).as_ptr();
+ if (rsdp_ptr->base.revision == 0) {
+ return search_table_in_rsdt(PhysicalAddress(rsdp_ptr->base.rsdt_ptr), signature);
+ }
+ if (rsdp_ptr->base.revision >= 2) {
+ if (rsdp_ptr->xsdt_ptr != (u64) nullptr)
+ return search_table_in_xsdt(PhysicalAddress(rsdp_ptr->xsdt_ptr), signature);
+ return search_table_in_rsdt(PhysicalAddress(rsdp_ptr->base.rsdt_ptr), signature);
+ }
+ ASSERT_NOT_REACHED();
}
-}
-Vector<ACPI_RAW::SDTHeader*>& ACPI::MainSystemDescriptionTable::get_sdt_pointers()
-{
- return m_sdt_pointers;
-}
-ACPI::FixedACPIData::FixedACPIData(ACPI_RAW::FADT& fadt)
-{
- m_dsdt_ptr = fadt.dsdt_ptr;
-#ifdef ACPI_DEBUG
- dbg() << "ACPI: DSDT pointer @ P 0x" << String::format("%x", m_dsdt_ptr);
-#endif
- m_revision = fadt.h.revision;
- m_x_dsdt_ptr = fadt.x_dsdt;
- m_preferred_pm_profile = fadt.preferred_pm_profile;
- m_sci_int = fadt.sci_int;
- m_smi_cmd = fadt.smi_cmd;
- m_acpi_enable_value = fadt.acpi_enable_value;
- m_acpi_disable_value = fadt.acpi_disable_value;
- m_s4bios_req = fadt.s4bios_req;
- m_pstate_cnt = fadt.pstate_cnt;
-
- m_PM1a_EVT_BLK = fadt.PM1a_EVT_BLK;
- m_PM1b_EVT_BLK = fadt.PM1b_EVT_BLK;
- m_PM1a_CNT_BLK = fadt.PM1a_CNT_BLK;
- m_PM1b_CNT_BLK = fadt.PM1b_CNT_BLK;
- m_PM2_CNT_BLK = fadt.PM2_CNT_BLK;
- m_PM_TMR_BLK = fadt.PM_TMR_BLK;
- m_GPE0_BLK = fadt.GPE0_BLK;
- m_GPE1_BLK = fadt.GPE1_BLK;
- m_PM1_EVT_LEN = fadt.PM1_EVT_LEN;
- m_PM1_CNT_LEN = fadt.PM1_CNT_LEN;
- m_PM2_CNT_LEN = fadt.PM2_CNT_LEN;
- m_PM_TMR_LEN = fadt.PM_TMR_LEN;
- m_GPE0_BLK_LEN = fadt.GPE0_BLK_LEN;
- m_GPE1_BLK_LEN = fadt.GPE1_BLK_LEN;
- m_GPE1_BASE = fadt.GPE1_BASE;
- m_cst_cnt = fadt.cst_cnt;
- m_P_LVL2_LAT = fadt.P_LVL2_LAT;
- m_P_LVL3_LAT = fadt.P_LVL3_LAT;
- m_flush_size = fadt.flush_size;
-
- m_flush_stride = fadt.flush_stride;
- m_duty_offset = fadt.duty_offset;
- m_duty_width = fadt.duty_width;
- m_day_alrm = fadt.day_alrm;
- m_mon_alrm = fadt.mon_alrm;
- m_century = fadt.century;
-
- m_ia_pc_boot_arch_flags = fadt.ia_pc_boot_arch_flags;
- m_flags = fadt.flags;
-
- m_reset_reg = fadt.reset_reg;
- // FIXME: The numbers in the debug log are incorrect, probably a bug in locating the right values...
-#ifdef ACPI_DEBUG
- dbg() << "ACPI: Reset Register @ IO 0x" << String::format("%x", m_reset_reg.address);
- dbg() << "ACPI: Reset Register Address space 0x" << String::format("%x", fadt.reset_reg.address_space);
-#endif
- m_reset_value = fadt.reset_value;
-#ifdef ACPI_DEBUG
- dbg() << "ACPI: Reset Register value @ P 0x" << String::format("%x", m_reset_value);
-#endif
- m_x_pm1a_evt_blk = fadt.x_pm1a_evt_blk;
- m_x_pm1b_evt_blk = fadt.x_pm1b_evt_blk;
- m_x_pm1a_cnt_blk = fadt.x_pm1a_cnt_blk;
- m_x_pm1b_cnt_blk = fadt.x_pm1b_cnt_blk;
- m_x_pm2_cnt_blk = fadt.x_pm2_cnt_blk;
- m_x_pm_tmr_blk = fadt.x_pm_tmr_blk;
- m_x_gpe0_blk = fadt.x_gpe0_blk;
- m_x_gpe1_blk = fadt.x_gpe1_blk;
- m_sleep_control = fadt.sleep_control;
- m_sleep_status = fadt.sleep_status;
-
- m_hypervisor_vendor_identity = fadt.hypervisor_vendor_identity;
-}
+ PhysicalAddress StaticParsing::search_table_in_xsdt(PhysicalAddress xsdt, const char* signature)
+ {
+ // FIXME: There's no validation of ACPI tables here. Use the checksum to validate the tables.
+ // FIXME: Don't blindly use PAGE_SIZE here, but probe the actual length.
+
+ ASSERT(strlen(signature) == 4);
+ auto main_sdt_region = MM.allocate_kernel_region(xsdt.page_base(), PAGE_SIZE, "ACPI Static Parsing search_table_in_xsdt()", Region::Access::Read, false, true);
+ auto* xsdt_ptr = (volatile Structures::XSDT*)main_sdt_region->vaddr().offset(xsdt.offset_in_page().get()).as_ptr();
+ for (u32 i = 0; i < ((xsdt_ptr->h.length - sizeof(Structures::SDTHeader)) / sizeof(u64)); i++) {
+ if (match_table_signature(PhysicalAddress((uintptr_t)xsdt_ptr->table_ptrs[i]), signature))
+ return PhysicalAddress((uintptr_t)xsdt_ptr->table_ptrs[i]);
+ }
+ return {};
+ }
+
+ bool StaticParsing::match_table_signature(PhysicalAddress table_header, const char* signature)
+ {
+ // FIXME: There's no validation of ACPI tables here. Use the checksum to validate the tables.
+ // FIXME: Don't blindly use PAGE_SIZE here, but probe the actual length.
-ACPI_RAW::SDTHeader* ACPI::FixedACPIData::get_dsdt()
-{
- if (m_x_dsdt_ptr != (uintptr_t) nullptr)
- return (ACPI_RAW::SDTHeader*)m_x_dsdt_ptr;
- else {
- ASSERT((ACPI_RAW::SDTHeader*)m_dsdt_ptr != nullptr);
- return (ACPI_RAW::SDTHeader*)m_dsdt_ptr;
+ ASSERT(strlen(signature) == 4);
+ auto main_sdt_region = MM.allocate_kernel_region(table_header.page_base(), PAGE_SIZE, "ACPI Static Parsing match_table_signature()", Region::Access::Read, false, true);
+ auto* table_ptr = (volatile Structures::RSDT*)main_sdt_region->vaddr().offset(table_header.offset_in_page().get()).as_ptr();
+ return !strncmp(const_cast<const char*>(table_ptr->h.sig), signature, 4);
}
-}
+ PhysicalAddress StaticParsing::search_table_in_rsdt(PhysicalAddress rsdt, const char* signature)
+ {
+ // FIXME: There's no validation of ACPI tables here. Use the checksum to validate the tables.
+ // FIXME: Don't blindly use PAGE_SIZE here, but probe the actual length.
+ ASSERT(strlen(signature) == 4);
+
+ auto main_sdt_region = MM.allocate_kernel_region(rsdt.page_base(), PAGE_SIZE, "ACPI Static Parsing search_table_in_rsdt()", Region::Access::Read, false, true);
+ auto* rsdt_ptr = (volatile Structures::RSDT*)main_sdt_region->vaddr().offset(rsdt.offset_in_page().get()).as_ptr();
+
+ for (u32 i = 0; i < ((rsdt_ptr->h.length - sizeof(Structures::SDTHeader)) / sizeof(u32)); i++) {
+ if (match_table_signature(PhysicalAddress((uintptr_t)rsdt_ptr->table_ptrs[i]), signature))
+ return PhysicalAddress((uintptr_t)rsdt_ptr->table_ptrs[i]);
+ }
+ return {};
+ }
+
+}
}
diff --git a/Kernel/ACPI/ACPIStaticParser.h b/Kernel/ACPI/ACPIStaticParser.h
index 13a3f7186f..4cee0088de 100644
--- a/Kernel/ACPI/ACPIStaticParser.h
+++ b/Kernel/ACPI/ACPIStaticParser.h
@@ -30,42 +30,40 @@
#include <AK/OwnPtr.h>
namespace Kernel {
+namespace ACPI {
-class ACPIStaticParser : ACPIParser {
-public:
- static void initialize(PhysicalAddress rsdp);
- static void initialize_without_rsdp();
- static bool is_initialized();
+ class StaticParser : Parser {
+ public:
+ static void initialize(PhysicalAddress rsdp);
+ static void initialize_without_rsdp();
+ static bool is_initialized();
- virtual PhysicalAddress find_table(const char* sig) override;
- virtual void do_acpi_reboot() override;
- virtual void do_acpi_shutdown() override;
- virtual bool is_operable() override { return m_operable; }
+ virtual PhysicalAddress find_table(const char* sig) override;
+ virtual void do_acpi_reboot() override;
+ virtual void do_acpi_shutdown() override;
+ virtual bool is_operable() override { return m_operable; }
-protected:
- ACPIStaticParser();
- explicit ACPIStaticParser(PhysicalAddress);
+ protected:
+ StaticParser();
+ explicit StaticParser(PhysicalAddress);
-private:
- void locate_static_data();
- void locate_all_aml_tables();
- void locate_main_system_description_table();
- void initialize_main_system_description_table();
- size_t get_table_size(PhysicalAddress);
- u8 get_table_revision(PhysicalAddress);
- void init_fadt();
- PhysicalAddress search_rsdp_in_ebda(u16 ebda_segment);
- PhysicalAddress search_rsdp_in_bios_area();
- PhysicalAddress search_rsdp();
+ private:
+ void locate_static_data();
+ void locate_main_system_description_table();
+ void initialize_main_system_description_table();
+ size_t get_table_size(PhysicalAddress);
+ u8 get_table_revision(PhysicalAddress);
+ void init_fadt();
+ void init_facs();
- PhysicalAddress m_rsdp;
- PhysicalAddress m_main_system_description_table;
+ PhysicalAddress m_rsdp;
+ PhysicalAddress m_main_system_description_table;
- OwnPtr<ACPI::MainSystemDescriptionTable> m_main_sdt;
- OwnPtr<ACPI::FixedACPIData> m_fadt;
-
- Vector<ACPI_RAW::SDTHeader*> m_aml_tables_ptrs;
- bool m_xsdt_supported;
-};
+ Vector<PhysicalAddress> m_sdt_pointers;
+ PhysicalAddress m_fadt;
+ PhysicalAddress m_facs;
+ bool m_xsdt_supported;
+ };
+}
}