Create foundational structure for MetalOS - Phase 1 complete

Co-authored-by: johndoe6345789 <224850594+johndoe6345789@users.noreply.github.com>

bootloader/include/bootloader.h

@@ -0,0 +1,22 @@
+#ifndef METALOS_BOOTLOADER_BOOTLOADER_H
+#define METALOS_BOOTLOADER_BOOTLOADER_H
+
+#include "efi.h"
+
+// Bootloader version
+#define BOOTLOADER_VERSION_MAJOR 0
+#define BOOTLOADER_VERSION_MINOR 1
+#define BOOTLOADER_VERSION_PATCH 0
+
+// Memory limits
+#define KERNEL_LOAD_ADDRESS 0x100000  // 1MB mark
+#define MAX_KERNEL_SIZE     0x1000000 // 16MB max
+
+// Function declarations
+EFI_STATUS initialize_graphics(EFI_HANDLE ImageHandle);
+EFI_STATUS load_kernel(EFI_HANDLE ImageHandle);
+void* get_rsdp(void);
+void print_string(const CHAR16* str);
+void print_status(const CHAR16* operation, EFI_STATUS status);
+
+#endif // METALOS_BOOTLOADER_BOOTLOADER_H

bootloader/include/efi.h

@@ -0,0 +1,98 @@
+#ifndef METALOS_BOOTLOADER_EFI_H
+#define METALOS_BOOTLOADER_EFI_H
+
+#include <stdint.h>
+
+// Basic UEFI types
+typedef uint64_t EFI_STATUS;
+typedef void*    EFI_HANDLE;
+typedef uint64_t UINTN;
+typedef uint16_t CHAR16;
+
+// EFI Status codes
+#define EFI_SUCCESS                 0
+#define EFI_LOAD_ERROR              1
+#define EFI_INVALID_PARAMETER       2
+#define EFI_UNSUPPORTED             3
+#define EFI_BUFFER_TOO_SMALL        5
+#define EFI_NOT_READY               6
+#define EFI_NOT_FOUND               14
+
+// EFI Memory types
+#define EfiReservedMemoryType       0
+#define EfiLoaderCode               1
+#define EfiLoaderData               2
+#define EfiBootServicesCode         3
+#define EfiBootServicesData         4
+#define EfiRuntimeServicesCode      5
+#define EfiRuntimeServicesData      6
+#define EfiConventionalMemory       7
+#define EfiUnusableMemory           8
+#define EfiACPIReclaimMemory        9
+#define EfiACPIMemoryNVS            10
+#define EfiMemoryMappedIO           11
+#define EfiMemoryMappedIOPortSpace  12
+#define EfiPalCode                  13
+#define EfiPersistentMemory         14
+
+typedef struct {
+    uint32_t Type;
+    uint64_t PhysicalStart;
+    uint64_t VirtualStart;
+    uint64_t NumberOfPages;
+    uint64_t Attribute;
+} EFI_MEMORY_DESCRIPTOR;
+
+// Graphics Output Protocol structures
+typedef struct {
+    uint32_t RedMask;
+    uint32_t GreenMask;
+    uint32_t BlueMask;
+    uint32_t ReservedMask;
+} EFI_PIXEL_BITMASK;
+
+typedef enum {
+    PixelRedGreenBlueReserved8BitPerColor,
+    PixelBlueGreenRedReserved8BitPerColor,
+    PixelBitMask,
+    PixelBltOnly,
+    PixelFormatMax
+} EFI_GRAPHICS_PIXEL_FORMAT;
+
+typedef struct {
+    uint32_t                    Version;
+    uint32_t                    HorizontalResolution;
+    uint32_t                    VerticalResolution;
+    EFI_GRAPHICS_PIXEL_FORMAT   PixelFormat;
+    EFI_PIXEL_BITMASK           PixelInformation;
+    uint32_t                    PixelsPerScanLine;
+} EFI_GRAPHICS_OUTPUT_MODE_INFORMATION;
+
+typedef struct {
+    uint32_t                                MaxMode;
+    uint32_t                                Mode;
+    EFI_GRAPHICS_OUTPUT_MODE_INFORMATION*   Info;
+    UINTN                                   SizeOfInfo;
+    uint64_t                                FrameBufferBase;
+    UINTN                                   FrameBufferSize;
+} EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE;
+
+// Boot information passed to kernel
+typedef struct {
+    uint64_t memory_map_size;
+    uint64_t memory_map_descriptor_size;
+    EFI_MEMORY_DESCRIPTOR* memory_map;
+    
+    uint64_t framebuffer_base;
+    uint32_t framebuffer_width;
+    uint32_t framebuffer_height;
+    uint32_t framebuffer_pitch;
+    uint32_t framebuffer_bpp;
+    
+    uint64_t kernel_base;
+    uint64_t kernel_size;
+    
+    void* rsdp; // ACPI RSDP pointer
+} BootInfo;
+
+#endif // METALOS_BOOTLOADER_EFI_H