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Kernel: Implement more AML method invocation stuff

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Method invocation is starting to come together. This implemenetation
can interpret some of the qemu's functions to enter ACPI mode.

PCI config space access is currently the one thing is between
entering ACPI mode.
This commit is contained in:
Bananymous
2024-04-10 01:52:14 +03:00
parent 23fa39121c
commit ff203d8d34
23 changed files with 619 additions and 108 deletions
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19
kernel/include/kernel/ACPI/AML/Region.h
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@@ -23,12 +23,15 @@ namespace Kernel::ACPI::AML
GenericSerialBus = 9,
PCC = 10,
};
RegionSpace space;
uint64_t offset;
uint64_t length;
RegionSpace region_space;
uint64_t region_offset;
uint64_t region_length;
OpRegion(NameSeg name, RegionSpace space, uint64_t offset, uint64_t length)
: NamedObject(Node::Type::OpRegion, name), space(space), offset(offset), length(length)
OpRegion(NameSeg name, RegionSpace region_space, uint64_t region_offset, uint64_t region_length)
: NamedObject(Node::Type::OpRegion, name)
, region_space(region_space)
, region_offset(region_offset)
, region_length(region_length)
{}
static ParseResult parse(AML::ParseContext& context)
@@ -74,7 +77,7 @@ namespace Kernel::ACPI::AML
length.value()
));
if (!context.root_namespace->add_named_object(context, name.value(), op_region))
if (!Namespace::root_namespace()->add_named_object(context, name.value(), op_region))
return ParseResult::Failure;
#if AML_DEBUG_LEVEL >= 2
@@ -88,7 +91,7 @@ namespace Kernel::ACPI::AML
virtual void debug_print(int indent) const override
{
BAN::StringView region_space_name;
switch (space)
switch (region_space)
{
case RegionSpace::SystemMemory: region_space_name = "SystemMemory"sv; break;
case RegionSpace::SystemIO: region_space_name = "SystemIO"sv; break;
@@ -106,7 +109,7 @@ namespace Kernel::ACPI::AML
AML_DEBUG_PRINT_INDENT(indent);
AML_DEBUG_PRINT("OperationRegion(");
name.debug_print();
AML_DEBUG_PRINT(", {}, 0x{H}, 0x{H})", region_space_name, offset, length);
AML_DEBUG_PRINT(", {}, 0x{H}, 0x{H})", region_space_name, region_offset, region_length);
}
};