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Kernel: Rewrite the AML conversion API

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This doesn't currently make the interpreter any better, but it will make
further implementation easier to be spec (or hardware...) compliant
This commit is contained in:
Bananymous
2024-08-15 02:13:41 +03:00
parent 44d5c8c4b4
commit 3f5ee6f414
37 changed files with 564 additions and 416 deletions
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40
kernel/kernel/ACPI/ACPI.cpp
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@@ -2,6 +2,7 @@
#include <BAN/StringView.h>
#include <kernel/ACPI/ACPI.h>
#include <kernel/ACPI/AML.h>
#include <kernel/ACPI/AML/Alias.h>
#include <kernel/ACPI/AML/Device.h>
#include <kernel/ACPI/AML/Field.h>
#include <kernel/ACPI/AML/Integer.h>
@@ -144,10 +145,10 @@ acpi_release_global_lock:
auto field_element = MUST(BAN::RefPtr<AML::FieldElement>::create(""_sv, register_bit_offset, register_bit_width, field_rules));
field_element->op_region = op_region;
auto result = field_element->as_integer();
auto result = field_element->convert(AML::Node::ConvInteger);
if (!result)
return {};
return result->value;
return static_cast<AML::Integer*>(result.ptr())->value;
}
bool GAS::write(uint64_t value)
@@ -168,7 +169,7 @@ acpi_release_global_lock:
auto field_element = MUST(BAN::RefPtr<AML::FieldElement>::create(""_sv, register_bit_offset, register_bit_width, field_rules));
field_element->op_region = op_region;
return field_element->store(MUST(BAN::RefPtr<AML::Integer>::create(value)));
return !!field_element->store(MUST(BAN::RefPtr<AML::Integer>::create(value)));
}
enum PM1Event : uint16_t
@@ -494,7 +495,25 @@ acpi_release_global_lock:
dwarnln("\\_S5 not found");
return;
}
auto s5_evaluated = s5_object->evaluate();
BAN::RefPtr<AML::Node> s5_evaluated = s5_object;
while (true)
{
bool done = false;
switch (s5_evaluated->type)
{
case AML::Node::Type::Alias:
s5_evaluated = static_cast<AML::Alias*>(s5_evaluated.ptr())->target;
break;
case AML::Node::Type::Name:
s5_evaluated = static_cast<AML::Name*>(s5_evaluated.ptr())->object;
break;
default:
done = true;
break;
}
if (done)
break;
}
if (!s5_evaluated)
{
dwarnln("Failed to evaluate \\_S5");
@@ -512,9 +531,9 @@ acpi_release_global_lock:
return;
}
auto slp_typa = s5_package->elements[0]->as_integer();
auto slp_typb = s5_package->elements[1]->as_integer();
if (!slp_typa || !slp_typb)
auto slp_typa_node = s5_package->elements[0]->convert(AML::Node::ConvInteger);
auto slp_typb_node = s5_package->elements[1]->convert(AML::Node::ConvInteger);
if (!slp_typa_node || !slp_typb_node)
{
dwarnln("Failed to get SLP_TYPx values");
return;
@@ -525,9 +544,12 @@ acpi_release_global_lock:
dprintln("Entering sleep state S5");
const auto slp_typa_value = static_cast<AML::Integer*>(slp_typa_node.ptr())->value;
const auto slp_typb_value = static_cast<AML::Integer*>(slp_typb_node.ptr())->value;
uint16_t pm1a_data = IO::inw(fadt().pm1a_cnt_blk);
pm1a_data &= ~(PM1_CNT_SLP_TYP_MASK << PM1_CNT_SLP_TYP_SHIFT);
pm1a_data |= (slp_typa->value & PM1_CNT_SLP_TYP_MASK) << PM1_CNT_SLP_TYP_SHIFT;
pm1a_data |= (slp_typa_value & PM1_CNT_SLP_TYP_MASK) << PM1_CNT_SLP_TYP_SHIFT;
pm1a_data |= PM1_CNT_SLP_EN;
IO::outw(fadt().pm1a_cnt_blk, pm1a_data);
@@ -535,7 +557,7 @@ acpi_release_global_lock:
{
uint16_t pm1b_data = IO::inw(fadt().pm1b_cnt_blk);
pm1b_data &= ~(PM1_CNT_SLP_TYP_MASK << PM1_CNT_SLP_TYP_SHIFT);
pm1b_data |= (slp_typb->value & PM1_CNT_SLP_TYP_MASK) << PM1_CNT_SLP_TYP_SHIFT;
pm1b_data |= (slp_typb_value & PM1_CNT_SLP_TYP_MASK) << PM1_CNT_SLP_TYP_SHIFT;
pm1b_data |= PM1_CNT_SLP_EN;
IO::outw(fadt().pm1b_cnt_blk, pm1b_data);
}