reworking loader

1 files changed, 47 insertions, 0 deletions

diff --git a/api/loader/efi/shim.h b/api/loader/efi/shim.h
new file mode 100644
index 0000000..3486c34
--- /dev/null
+++ b/api/loader/efi/shim.h
@@ -0,0 +1,47 @@
+#pragma once
+
+#include <loader/shim.h>
+
+#include <efi.h>
+
+#ifdef __ELF__
+    #define EFIEXPORT __attribute__((visibility("default"))) 
+#else
+    #define EFIEXPORT __declspec(dllexport)
+#endif
+
+#define OsVendorMemoryType(t) ((EFI_MEMORY_TYPE)(0x80000000|t))
+#define SystemMemoryType OsVendorMemoryType(1)
+
+struct efi_loader_image;
+
+struct efi_loader_image
+{
+    CHAR16 *path;
+    EFI_HANDLE image_handle;
+    EFI_SYSTEM_TABLE *system_table;
+    EFI_FILE_PROTOCOL *root;
+    EFI_FILE_PROTOCOL *file;
+    EFI_PHYSICAL_ADDRESS buffer_base;
+    UINTN buffer_size;
+};
+
+typedef EFI_STATUS (*efi_image_func)(struct efi_loader_image *image);
+typedef EFI_STATUS (*efi_page_alloc_func)(EFI_MEMORY_TYPE type,
+        UINTN size,
+        EFI_PHYSICAL_ADDRESS *base);
+typedef EFI_STATUS (*efi_page_free_func)(EFI_PHYSICAL_ADDRESS base, UINTN size);
+
+struct efi_loader_interface
+{
+    efi_page_alloc_func page_alloc;
+    efi_page_free_func page_free;
+
+    efi_image_func image_open;
+    efi_image_func image_alloc;
+    efi_image_func image_load;
+};
+
+typedef EFI_STATUS (*efi_shim_entry_func)(struct efi_loader_image *image,
+    struct efi_loader_interface *interface);
+