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AK: Add global FlatPtr typedef. It's u32 or u64, based on sizeof(void*)

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Use this instead of uintptr_t throughout the codebase. This makes it
possible to pass a FlatPtr to something that has u32 and u64 overloads.
This commit is contained in:
Andreas Kling 2020-03-08 10:36:51 +01:00
parent b98d8ad5b0
commit b1058b33fb
36 changed files with 164 additions and 161 deletions
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12
Kernel/ACPI/ACPIStaticParser.cpp
View file

@ -247,7 +247,7 @@ namespace ACPI {
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);
return PhysicalAddress((FlatPtr)p_rsdp_str);
p_rsdp_str += 16;
}
return {};
@ -262,7 +262,7 @@ namespace ACPI {
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);
return PhysicalAddress((FlatPtr)p_rsdp_str);
p_rsdp_str += 16;
}
return {};
@ -320,8 +320,8 @@ namespace ACPI {
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]);
if (match_table_signature(PhysicalAddress((FlatPtr)xsdt_ptr->table_ptrs[i]), signature))
return PhysicalAddress((FlatPtr)xsdt_ptr->table_ptrs[i]);
}
return {};
}
@ -347,8 +347,8 @@ namespace ACPI {
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]);
if (match_table_signature(PhysicalAddress((FlatPtr)rsdt_ptr->table_ptrs[i]), signature))
return PhysicalAddress((FlatPtr)rsdt_ptr->table_ptrs[i]);
}
return {};
}

8
Kernel/ACPI/DMIDecoder.cpp
View file

@ -134,7 +134,7 @@ void DMIDecoder::enumerate_smbios_tables()
size_t table_size = get_table_size(p_table);
p_table = p_table.offset(table_size);
v_table_ptr = (SMBIOS::TableHeader*)((uintptr_t)v_table_ptr + table_size);
v_table_ptr = (SMBIOS::TableHeader*)((FlatPtr)v_table_ptr + table_size);
#ifdef SMBIOS_DEBUG
dbg() << "DMIDecoder: Next table @ P 0x" << p_table.get();
#endif
@ -221,7 +221,7 @@ PhysicalAddress DMIDecoder::find_entry64bit_point()
dbg() << "DMI Decoder: Looking for 64 bit Entry point @ V " << (void*)entry_str << " P " << (void*)tested_physical_ptr;
#endif
if (!strncmp("_SM3_", entry_str, strlen("_SM3_")))
return PhysicalAddress((uintptr_t)tested_physical_ptr);
return PhysicalAddress((FlatPtr)tested_physical_ptr);
tested_physical_ptr += 16;
}
@ -239,7 +239,7 @@ PhysicalAddress DMIDecoder::find_entry32bit_point()
dbg() << "DMI Decoder: Looking for 32 bit Entry point @ V " << (void*)entry_str << " P " << (void*)tested_physical_ptr;
#endif
if (!strncmp("_SM_", entry_str, strlen("_SM_")))
return PhysicalAddress((uintptr_t)tested_physical_ptr);
return PhysicalAddress((FlatPtr)tested_physical_ptr);
tested_physical_ptr += 16;
}
@ -264,7 +264,7 @@ u64 DMIDecoder::get_bios_characteristics()
auto* bios_info = (SMBIOS::BIOSInfo*)get_smbios_physical_table_by_type(0).as_ptr();
ASSERT(bios_info != nullptr);
klog() << "DMIDecoder: BIOS info @ " << PhysicalAddress((uintptr_t)bios_info);
klog() << "DMIDecoder: BIOS info @ " << PhysicalAddress((FlatPtr)bios_info);
return bios_info->bios_characteristics;
}

26
Kernel/ACPI/MultiProcessorParser.cpp
View file

@ -45,9 +45,9 @@ void MultiProcessorParser::initialize()
MultiProcessorParser::MultiProcessorParser()
: m_floating_pointer(search_floating_pointer())
, m_operable((m_floating_pointer != (uintptr_t) nullptr))
, m_operable((m_floating_pointer != (FlatPtr) nullptr))
{
if (m_floating_pointer != (uintptr_t) nullptr) {
if (m_floating_pointer != (FlatPtr) nullptr) {
klog() << "MultiProcessor: Floating Pointer Structure @ " << PhysicalAddress(m_floating_pointer);
parse_floating_pointer_data();
parse_configuration_table();
@ -89,7 +89,7 @@ void MultiProcessorParser::parse_configuration_table()
p_entry = (MultiProcessor::EntryHeader*)(u32)p_entry + (u8)MultiProcessor::ConfigurationTableEntryLength::Processor;
break;
case ((u8)MultiProcessor::ConfigurationTableEntryType::Bus):
m_bus_entries.append((uintptr_t)p_entry);
m_bus_entries.append((FlatPtr)p_entry);
entry = (MultiProcessor::EntryHeader*)(u32)entry + (u8)MultiProcessor::ConfigurationTableEntryLength::Bus;
p_entry = (MultiProcessor::EntryHeader*)(u32)p_entry + (u8)MultiProcessor::ConfigurationTableEntryLength::Bus;
break;
@ -98,7 +98,7 @@ void MultiProcessorParser::parse_configuration_table()
p_entry = (MultiProcessor::EntryHeader*)(u32)p_entry + (u8)MultiProcessor::ConfigurationTableEntryLength::IOAPIC;
break;
case ((u8)MultiProcessor::ConfigurationTableEntryType::IO_Interrupt_Assignment):
m_io_interrupt_redirection_entries.append((uintptr_t)p_entry);
m_io_interrupt_redirection_entries.append((FlatPtr)p_entry);
entry = (MultiProcessor::EntryHeader*)(u32)entry + (u8)MultiProcessor::ConfigurationTableEntryLength::IO_Interrupt_Assignment;
p_entry = (MultiProcessor::EntryHeader*)(u32)p_entry + (u8)MultiProcessor::ConfigurationTableEntryLength::IO_Interrupt_Assignment;
break;
@ -124,20 +124,20 @@ void MultiProcessorParser::parse_configuration_table()
}
}
uintptr_t MultiProcessorParser::search_floating_pointer()
FlatPtr MultiProcessorParser::search_floating_pointer()
{
uintptr_t mp_floating_pointer = (uintptr_t) nullptr;
FlatPtr mp_floating_pointer = (FlatPtr) nullptr;
auto region = MM.allocate_kernel_region(PhysicalAddress(0), PAGE_SIZE, "MultiProcessor Parser Floating Pointer Structure Finding", Region::Access::Read);
u16 ebda_seg = (u16) * ((uint16_t*)((region->vaddr().get() & PAGE_MASK) + 0x40e));
klog() << "MultiProcessor: Probing EBDA, Segment 0x" << String::format("%x", ebda_seg);
mp_floating_pointer = search_floating_pointer_in_ebda(ebda_seg);
if (mp_floating_pointer != (uintptr_t) nullptr)
if (mp_floating_pointer != (FlatPtr) nullptr)
return mp_floating_pointer;
return search_floating_pointer_in_bios_area();
}
uintptr_t MultiProcessorParser::search_floating_pointer_in_ebda(u16 ebda_segment)
FlatPtr MultiProcessorParser::search_floating_pointer_in_ebda(u16 ebda_segment)
{
auto floating_pointer_region = MM.allocate_kernel_region(PhysicalAddress(page_base_of((u32)(ebda_segment << 4))), PAGE_ROUND_UP(1024), "MultiProcessor Parser floating_pointer Finding #1", Region::Access::Read, false, true);
char* p_floating_pointer_str = (char*)(PhysicalAddress(ebda_segment << 4).as_ptr());
@ -146,12 +146,12 @@ uintptr_t MultiProcessorParser::search_floating_pointer_in_ebda(u16 ebda_segment
dbg() << "MultiProcessor: Looking for floating pointer structure in EBDA @ V0x " << String::format("%x", floating_pointer_str) << ", P0x" << String::format("%x", p_floating_pointer_str);
#endif
if (!strncmp("_MP_", floating_pointer_str, strlen("_MP_")))
return (uintptr_t)p_floating_pointer_str;
return (FlatPtr)p_floating_pointer_str;
p_floating_pointer_str += 16;
}
return (uintptr_t) nullptr;
return (FlatPtr) nullptr;
}
uintptr_t MultiProcessorParser::search_floating_pointer_in_bios_area()
FlatPtr MultiProcessorParser::search_floating_pointer_in_bios_area()
{
auto floating_pointer_region = MM.allocate_kernel_region(PhysicalAddress(page_base_of((u32)0xE0000)), PAGE_ROUND_UP(0xFFFFF - 0xE0000), "MultiProcessor Parser floating_pointer Finding #2", Region::Access::Read, false, true);
char* p_floating_pointer_str = (char*)(PhysicalAddress(0xE0000).as_ptr());
@ -160,10 +160,10 @@ uintptr_t MultiProcessorParser::search_floating_pointer_in_bios_area()
dbg() << "MultiProcessor: Looking for floating pointer structure in BIOS area @ V0x " << String::format("%x", floating_pointer_str) << ", P0x" << String::format("%x", p_floating_pointer_str);
#endif
if (!strncmp("_MP_", floating_pointer_str, strlen("_MP_")))
return (uintptr_t)p_floating_pointer_str;
return (FlatPtr)p_floating_pointer_str;
p_floating_pointer_str += 16;
}
return (uintptr_t) nullptr;
return (FlatPtr) nullptr;
}
Vector<unsigned> MultiProcessorParser::get_pci_bus_ids()

14
Kernel/ACPI/MultiProcessorParser.h
View file

@ -225,14 +225,14 @@ protected:
Vector<unsigned> get_pci_bus_ids();
uintptr_t search_floating_pointer();
uintptr_t search_floating_pointer_in_ebda(u16 ebda_segment);
uintptr_t search_floating_pointer_in_bios_area();
FlatPtr search_floating_pointer();
FlatPtr search_floating_pointer_in_ebda(u16 ebda_segment);
FlatPtr search_floating_pointer_in_bios_area();
uintptr_t m_floating_pointer;
uintptr_t m_configuration_table;
Vector<uintptr_t> m_io_interrupt_redirection_entries;
Vector<uintptr_t> m_bus_entries;
FlatPtr m_floating_pointer;
FlatPtr m_configuration_table;
Vector<FlatPtr> m_io_interrupt_redirection_entries;
Vector<FlatPtr> m_bus_entries;
bool m_operable;
size_t m_configuration_table_length;