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authorAmlal <amlalelmahrouss@icloud.com>2024-12-21 21:59:13 +0100
committerAmlal <amlalelmahrouss@icloud.com>2024-12-21 21:59:45 +0100
commit610f91d87152cbe48d3054fcf437d8239da6ef35 (patch)
treea386f7047ab73d088169ab2371ddc6ffe8020f1c /dev/Kernel/HALKit/AMD64/HalAPICController.cc
parent509fcca5986651c8ba712fb395f8498f2dea4109 (diff)
IMP: :boom: Breaking changes some checks are needed to be done.
Signed-off-by: Amlal <amlalelmahrouss@icloud.com>
Diffstat (limited to 'dev/Kernel/HALKit/AMD64/HalAPICController.cc')
-rw-r--r--dev/Kernel/HALKit/AMD64/HalAPICController.cc39
1 files changed, 39 insertions, 0 deletions
diff --git a/dev/Kernel/HALKit/AMD64/HalAPICController.cc b/dev/Kernel/HALKit/AMD64/HalAPICController.cc
new file mode 100644
index 00000000..e29bea67
--- /dev/null
+++ b/dev/Kernel/HALKit/AMD64/HalAPICController.cc
@@ -0,0 +1,39 @@
+/* -------------------------------------------
+
+ Copyright (C) 2024, TQ B.V, all rights reserved.
+
+------------------------------------------- */
+
+#include <Modules/ACPI/ACPIFactoryInterface.h>
+#include <HALKit/AMD64/Processor.h>
+
+#define cIOAPICRegVal (4)
+#define cIOAPICRegReg (0)
+
+namespace Kernel::HAL
+{
+ /// @brief Read from APIC controller.
+ /// @param reg register.
+ UInt32 APICController::Read(UInt32 reg) noexcept
+ {
+ MUST_PASS(this->fApic);
+
+ UInt32 volatile* io_apic = (UInt32 volatile*)this->fApic;
+ io_apic[cIOAPICRegReg] = (reg & 0xFF);
+
+ return io_apic[cIOAPICRegVal];
+ }
+
+ /// @brief Write to APIC controller.
+ /// @param reg register.
+ /// @param value value.
+ Void APICController::Write(UInt32 reg, UInt32 value) noexcept
+ {
+ MUST_PASS(this->fApic);
+
+ UInt32 volatile* io_apic = (UInt32 volatile*)this->fApic;
+
+ io_apic[cIOAPICRegReg] = (reg & 0xFF);
+ io_apic[cIOAPICRegVal] = value;
+ }
+} // namespace Kernel::HAL