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authorAmlal El Mahrouss <amlal@nekernel.org>2025-11-23 21:06:27 -0500
committerGitHub <noreply@github.com>2025-11-23 21:06:27 -0500
commit23040fad647634c08697451fc22ee2ca999629c8 (patch)
tree72888f88c7728c82f3f6df1f4f70591de15eab36 /src/kernel/HALKit/RISCV
parente5cc7351f0577b54c528fb827a7c7e6306c3e843 (diff)
parent83d870e58457a1d335a1d9b9966a6a1887cc297b (diff)
Merge pull request #81 from nekernel-org/dev
feat! breaking changes on kernel sources.
Diffstat (limited to 'src/kernel/HALKit/RISCV')
-rw-r--r--src/kernel/HALKit/RISCV/.keep0
-rw-r--r--src/kernel/HALKit/RISCV/AP.h35
-rw-r--r--src/kernel/HALKit/RISCV/APM/.gitkeep0
-rw-r--r--src/kernel/HALKit/RISCV/HalApplicationProcessor.cc40
-rw-r--r--src/kernel/HALKit/RISCV/Storage/.gitkeep0
5 files changed, 75 insertions, 0 deletions
diff --git a/src/kernel/HALKit/RISCV/.keep b/src/kernel/HALKit/RISCV/.keep
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/src/kernel/HALKit/RISCV/.keep
diff --git a/src/kernel/HALKit/RISCV/AP.h b/src/kernel/HALKit/RISCV/AP.h
new file mode 100644
index 00000000..1061b637
--- /dev/null
+++ b/src/kernel/HALKit/RISCV/AP.h
@@ -0,0 +1,35 @@
+/* ========================================
+
+ Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
+
+ File: AP.h
+ Purpose: RISC-V hardware threads.
+
+ Revision History:
+
+ 30/01/24: Added file (amlel)
+
+======================================== */
+
+#pragma once
+
+#include <NeKit/Defines.h>
+
+namespace Kernel {
+typedef Int64 hal_ap_kind;
+
+typedef struct HAL_HARDWARE_THREAD {
+ Kernel::UIntPtr fStartAddress;
+ Kernel::UIntPtr fStackPtr;
+ Kernel::UIntPtr fFramePtr;
+ Kernel::UInt8 fPrivileged : 1;
+ Kernel::UInt32 fPageMemoryFlags;
+ hal_ap_kind fIdentNumber;
+} HAL_HARDWARE_THREAD;
+
+/// @brief Set PC to specific hart.
+/// @param hart the hart
+/// @param epc the pc.
+/// @return
+EXTERN_C Kernel::Void hal_set_pc_to_hart(HAL_HARDWARE_THREAD* hart, Kernel::VoidPtr epc);
+} // namespace Kernel
diff --git a/src/kernel/HALKit/RISCV/APM/.gitkeep b/src/kernel/HALKit/RISCV/APM/.gitkeep
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/src/kernel/HALKit/RISCV/APM/.gitkeep
diff --git a/src/kernel/HALKit/RISCV/HalApplicationProcessor.cc b/src/kernel/HALKit/RISCV/HalApplicationProcessor.cc
new file mode 100644
index 00000000..520481d1
--- /dev/null
+++ b/src/kernel/HALKit/RISCV/HalApplicationProcessor.cc
@@ -0,0 +1,40 @@
+/* ========================================
+
+ Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
+
+======================================== */
+
+#include <HALKit/RISCV/AP.h>
+#include <HALKit/RISCV/Processor.h>
+#include <KernelKit/DebugOutput.h>
+
+using namespace Kernel;
+
+namespace Kernel {
+namespace Detail {
+ STATIC void mp_hang_fn(void) {
+ while (YES)
+ ;
+ }
+
+} // namespace Detail
+
+/// @brief wakes up thread.
+/// wakes up thread from hang.
+void mp_wakeup_thread(HAL::StackFramePtr stack) {
+ if (!stack) return;
+
+ hal_set_pc_to_hart(reinterpret_cast<HAL_HARDWARE_THREAD*>(stack->R15),
+ reinterpret_cast<VoidPtr>(stack->IP));
+}
+
+/// @brief makes thread sleep.
+/// hooks and hangs thread to prevent code from executing.
+void mp_hang_thread(HAL::StackFramePtr stack) {
+ if (!stack) return;
+
+ hal_set_pc_to_hart(reinterpret_cast<HAL_HARDWARE_THREAD*>(stack->R15),
+ reinterpret_cast<VoidPtr>(Kernel::Detail::mp_hang_fn));
+}
+
+} // namespace Kernel
diff --git a/src/kernel/HALKit/RISCV/Storage/.gitkeep b/src/kernel/HALKit/RISCV/Storage/.gitkeep
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/src/kernel/HALKit/RISCV/Storage/.gitkeep