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authorAmlal El Mahrouss <amlal.elmahrouss@icloud.com>2025-03-23 19:13:48 +0100
committerAmlal El Mahrouss <amlal.elmahrouss@icloud.com>2025-03-23 19:15:17 +0100
commita13e1c0911c0627184bc38f18c7fdda64447b3ad (patch)
tree073a62c09bf216e85a3f310376640fa1805147f9 /dev/kernel/HALKit/RISCV
parent149fa096eb306d03686b3b67e813cf1a78e08cd0 (diff)
meta(kernel): Reworked repository's filesystem structure.
Removing useless parts of the project too. Signed-off-by: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>
Diffstat (limited to 'dev/kernel/HALKit/RISCV')
-rw-r--r--dev/kernel/HALKit/RISCV/.keep0
-rw-r--r--dev/kernel/HALKit/RISCV/AP.h35
-rw-r--r--dev/kernel/HALKit/RISCV/APM/.gitkeep0
-rw-r--r--dev/kernel/HALKit/RISCV/HalAP.cc40
-rw-r--r--dev/kernel/HALKit/RISCV/ReadMe.md4
-rw-r--r--dev/kernel/HALKit/RISCV/Storage/.gitkeep0
6 files changed, 79 insertions, 0 deletions
diff --git a/dev/kernel/HALKit/RISCV/.keep b/dev/kernel/HALKit/RISCV/.keep
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/dev/kernel/HALKit/RISCV/.keep
diff --git a/dev/kernel/HALKit/RISCV/AP.h b/dev/kernel/HALKit/RISCV/AP.h
new file mode 100644
index 00000000..c198a404
--- /dev/null
+++ b/dev/kernel/HALKit/RISCV/AP.h
@@ -0,0 +1,35 @@
+/* -------------------------------------------
+
+ Copyright (C) 2024-2025, Amlal EL Mahrouss, all rights reserved.
+
+ File: AP.h
+ Purpose: RISC-V hardware threads.
+
+ Revision History:
+
+ 30/01/24: Added file (amlel)
+
+------------------------------------------- */
+
+#pragma once
+
+#include <NewKit/Defines.h>
+
+namespace NeOS
+{
+ typedef Int64 hal_ap_kind;
+
+ typedef struct HAL_HARDWARE_THREAD
+ {
+ NeOS::UIntPtr fStartAddress;
+ NeOS::UInt8 fPrivleged : 1;
+ NeOS::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 NeOS::Void hal_set_pc_to_hart(HAL_HARDWARE_THREAD* hart, NeOS::VoidPtr epc);
+} // namespace NeOS
diff --git a/dev/kernel/HALKit/RISCV/APM/.gitkeep b/dev/kernel/HALKit/RISCV/APM/.gitkeep
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/dev/kernel/HALKit/RISCV/APM/.gitkeep
diff --git a/dev/kernel/HALKit/RISCV/HalAP.cc b/dev/kernel/HALKit/RISCV/HalAP.cc
new file mode 100644
index 00000000..788acf0f
--- /dev/null
+++ b/dev/kernel/HALKit/RISCV/HalAP.cc
@@ -0,0 +1,40 @@
+/* -------------------------------------------
+
+ Copyright (C) 2024-2025, Amlal EL Mahrouss, all rights reserved.
+
+------------------------------------------- */
+
+#include <HALKit/RISCV/Processor.h>
+#include <KernelKit/DebugOutput.h>
+#include <HALKit/RISCV/AP.h>
+
+using namespace NeOS;
+
+namespace NeOS::Detail
+{
+ STATIC void mp_hang_fn(void)
+ {
+ while (YES)
+ ;
+ }
+} // namespace NeOS::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->BP));
+}
+
+/// @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>(NeOS::Detail::mp_hang_fn));
+}
diff --git a/dev/kernel/HALKit/RISCV/ReadMe.md b/dev/kernel/HALKit/RISCV/ReadMe.md
new file mode 100644
index 00000000..b099aa31
--- /dev/null
+++ b/dev/kernel/HALKit/RISCV/ReadMe.md
@@ -0,0 +1,4 @@
+RISCV64 Hardware Abstraction Layer
+
+- Supported CPU: RISCV64
+- Supported Firmware: CoreBoot \ No newline at end of file
diff --git a/dev/kernel/HALKit/RISCV/Storage/.gitkeep b/dev/kernel/HALKit/RISCV/Storage/.gitkeep
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/dev/kernel/HALKit/RISCV/Storage/.gitkeep