diff options
Diffstat (limited to 'src/kernel/HALKit/RISCV')
| -rw-r--r-- | src/kernel/HALKit/RISCV/.keep | 0 | ||||
| -rw-r--r-- | src/kernel/HALKit/RISCV/AP.h | 35 | ||||
| -rw-r--r-- | src/kernel/HALKit/RISCV/APM/.gitkeep | 0 | ||||
| -rw-r--r-- | src/kernel/HALKit/RISCV/HalApplicationProcessor.cc | 40 | ||||
| -rw-r--r-- | src/kernel/HALKit/RISCV/Storage/.gitkeep | 0 |
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 |
