Kernel: Many improvements done to the kernel and it's HAL and protocols.

Will implement BFileReader on next commit.

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

1 files changed, 72 insertions, 0 deletions

diff --git a/Private/KernelKit/PEFCodeManager.hxx b/Private/KernelKit/PEFCodeManager.hxx
new file mode 100644
index 00000000..3541d11b
--- /dev/null
+++ b/Private/KernelKit/PEFCodeManager.hxx
@@ -0,0 +1,72 @@
+/*
+ *	========================================================
+ *
+ *	HCore
+ * 	Copyright Mahrouss Logic, all rights reserved.
+ *
+ * 	========================================================
+ */
+
+#ifndef _INC_CODE_MANAGER_PEF_
+#define _INC_CODE_MANAGER_PEF_
+
+#include <KernelKit/PEF.hpp>
+#include <NewKit/ErrorOr.hpp>
+#include <NewKit/String.hpp>
+
+#include "NewKit/Defines.hpp"
+
+namespace HCore {
+///
+/// \name PEFLoader
+/// \brief PEF loader class.
+///
+class PEFLoader : public Loader {
+ private:
+  explicit PEFLoader() = delete;
+
+ public:
+  explicit PEFLoader(const VoidPtr blob);
+  explicit PEFLoader(const char *path);
+  ~PEFLoader() override;
+
+ public:
+  HCORE_COPY_DEFAULT(PEFLoader);
+
+ public:
+  typedef void (*MainKind)(void);
+
+ public:
+  const char *Path() override;
+  const char *Format() override;
+  const char *MIME() override;
+
+ public:
+  ErrorOr<VoidPtr> LoadStart() override;
+  VoidPtr FindSymbol(const char *name, Int32 kind) override;
+
+ public:
+  bool IsLoaded() noexcept;
+
+ private:
+  Ref<StringView> fPath;
+  VoidPtr fCachedBlob;
+  bool fBad;
+};
+
+namespace Utils {
+/// \brief Much like Mac OS's UPP.
+/// This is read-only by design.
+/// It handles different kind of code.
+/// ARM <-> AMD64 for example.
+typedef struct UniversalProcedureTable final {
+  const Char NAME[kPefNameLen];
+  const VoidPtr TRAP;
+  const SizeT ARCH;
+} __attribute__((packed)) UniversalProcedureTableType;
+
+bool execute_from_image(PEFLoader &exec) noexcept;
+}  // namespace Utils
+}  // namespace HCore
+
+#endif  // ifndef _INC_CODE_MANAGER_PEF_