Kernel: Improvements and fixes regarding the VMMers and assembly code.

Signed-off-by: Amlal El Mahrouss <amlalelmahrouss@icloud.com>

1 files changed, 91 insertions, 0 deletions

diff --git a/Private/ArchKit/ArchKit.hpp b/Private/ArchKit/ArchKit.hpp
new file mode 100644
index 00000000..eefd6f5f
--- /dev/null
+++ b/Private/ArchKit/ArchKit.hpp
@@ -0,0 +1,91 @@
+/*
+ *	========================================================
+ *
+ *	HCore
+ * 	Copyright Mahrouss Logic, all rights reserved.
+ *
+ * 	========================================================
+ */
+
+#pragma once
+
+#include <NewKit/Defines.hpp>
+#include <NewKit/Function.hpp>
+#include <NewKit/Array.hpp>
+
+#ifdef __x86_64__
+#   include <HALKit/AMD64/Hypervisor.hpp>
+#   include <HALKit/AMD64/Processor.hpp>
+#   include <HALKit/AMD64/HalPageAlloc.hpp>
+#elif defined(__powerpc64__)
+#   include <HALKit/PowerPC/Processor.hpp>
+#else
+#   error Unknown architecture
+#endif
+
+namespace HCore
+{
+    class SystemCallDefaultImpl final
+    {
+    public:
+        static Int32 Exec() { return 0; }
+
+    };
+
+    template <SSizeT ID>
+    class SystemCall
+    {
+    public:
+        explicit SystemCall()
+        {
+            kcout << "SystemCall::SystemCall";
+        }
+
+        virtual ~SystemCall()
+        {
+            kcout << "SystemCall::~SystemCall";
+        }
+
+        SystemCall &operator=(const SystemCall &) = default;
+        SystemCall(const SystemCall &) = default;
+
+        // Should not be called alone!
+        virtual bool Exec() const
+        {
+            kcout << "SystemCall->Exec<RET>()";
+            return false;
+        }
+
+    };
+
+    constexpr static inline SSizeT syscall_hash(const char *seed, int mul)
+    {
+        SSizeT hash = 0;
+
+        for (SSizeT idx = 0; seed[idx] != 0; ++idx)
+        {
+            hash += seed[idx];
+            hash ^= mul;
+        }
+
+        return hash;
+    }
+
+    bool ke_init_hal();
+} // namespace HCore
+
+#define kMaxSyscalls 0x100
+#define kSyscallGate 0x21
+
+extern HCore::Array<void (*)(HCore::Int32 id, HCore::HAL::StackFrame *), kMaxSyscalls> kSyscalls;
+
+extern "C" void rt_wait_for_io();
+extern "C" void rt_syscall_handle(HCore::HAL::StackFrame* stackFrame);
+extern "C" HCore::HAL::StackFrame* rt_get_current_context();
+extern "C" int rt_do_context_switch(HCore::HAL::StackFrame* stackFrame);
+
+inline HCore::VoidPtr kKernelVirtualStart;
+inline HCore::UIntPtr kKernelVirtualSize;
+
+inline HCore::VoidPtr kKernelPhysicalStart;
+inline HCore::UIntPtr kKernelPhysicalSize;