[BOOT] Add EFI headers and entry point

2024-05-22 19:56:17 -04:00
parent 88449693d4
commit 8e7c2d02bb
15 changed files with 1395 additions and 0 deletions
--- a/BOOT/ENVIRON/INC/efidef.h
+++ b/BOOT/ENVIRON/INC/efidef.h
@@ -0,0 +1,196 @@
+/*++
+
+Copyright (c) 2024, the LibreXP developers.
+Provided under the BSD 3-Clause license.
+
+Module Name:
+
+   efidef.h
+
+Abstract:
+
+   Provides basic EFI type/structure definitions.
+
+--*/
+
+#ifndef _EFIDEF_H
+#define _EFIDEF_H
+
+#ifndef VOID
+    #define VOID void
+#endif
+
+#ifndef CONST
+    #define CONST const
+#endif
+
+#ifndef NULL
+#if defined(__cplusplus)
+    #define NULL 0
+#else
+    #define NULL ((VOID *) 0)
+#endif
+#endif
+
+#if defined(__cplusplus)
+    typedef bool BOOLEAN;
+#else
+    typedef UINT8 BOOLEAN;
+#endif
+
+#ifndef TRUE
+#if defined(__cplusplus)
+    typedef bool BOOLEAN;
+    #define TRUE  true
+    #define FALSE false
+#else
+    typedef UINT8 BOOLEAN;
+    #define TRUE  ((BOOLEAN) 1)
+    #define FALSE ((BOOLEAN) 0)
+#endif
+#endif
+
+typedef UINT16 CHAR16;
+typedef UINT8 CHAR8;
+
+typedef UINTN EFI_STATUS;
+typedef UINT64 EFI_LBA;
+typedef UINTN EFI_TPL;
+typedef VOID *EFI_HANDLE;
+typedef VOID *EFI_EVENT;
+
+/*
+ * Decorators to show parameter direction.
+ *
+ * IN - argument passed into routine.
+ * OUT - argument pointer returned by routine.
+ * OPTIONAL - argument is not required.
+ */
+
+#ifndef IN
+    #define IN
+    #define OUT
+    #define OPTIONAL
+#endif
+
+/*
+ * Globally Unique IDentifier.
+ */
+
+typedef struct {
+    UINT32 Data1;
+    UINT16 Data2;
+    UINT16 Data3;
+    UINT8  Data4[8];
+} EFI_GUID;
+
+/*
+ * Time definitons.
+ */
+
+typedef struct {
+    UINT16 Year;
+    UINT8  Month;
+    UINT8  Day;
+    UINT8  Hour;
+    UINT8  Minute;
+    UINT8  Second;
+    UINT8  Pad1;
+    UINT32 Nanosecond;
+    INT16  Timezone;
+    UINT8  Daylight;
+    UINT8  Pad2;
+} EFI_TIME;
+
+/* For EFI_TIME.Daylight */
+#define EFI_TIME_ADJUST_DAYLIGHT 0x01
+#define EFI_TIME_IN_DAYLIGHT     0x02
+
+/* For EFI_TIME.TimeZone */
+#define EFI_UNSPECIFIED_TIMEZONE 0x07FF
+
+/*
+ * Networking definitions.
+ */
+
+typedef struct {
+    UINT8 Addr[4];
+} EFI_IPv4_ADDRESS;
+
+typedef struct {
+    UINT8 Addr[16];
+} EFI_IPv6_ADDRESS;
+
+typedef struct {
+    UINT8 Addr[32];
+} EFI_MAC_ADDRESS;
+
+/*
+ * Memory definitions.
+ */
+
+typedef UINT64 EFI_PHYSICAL_ADDRESS;
+typedef UINT64 EFI_VIRTUAL_ADDRESS;
+
+typedef enum {
+    AllocateAnyPages,
+    AllocateMaxAddress,
+    AllocateAddress,
+    MaxAllocateType
+} EFI_ALLOCATE_TYPE;
+
+typedef enum {
+    EfiReservedMemoryType,
+    EfiLoaderCode,
+    EfiLoaderData,
+    EfiBootServicesCode,
+    EfiBootServicesData,
+    EfiRuntimeServicesCode,
+    EfiRuntimeServicesData,
+    EfiConventionalMemory,
+    EfiUnusableMemory,
+    EfiACPIReclaimMemory,
+    EfiACPIMemoryNVS,
+    EfiMemoryMappedIO,
+    EfiMemoryMappedIOPortSpace,
+    EfiPalCode,
+    EfiPersistentMemory,
+    EfiUnacceptedMemoryType,
+    EfiMaxMemoryType
+} EFI_MEMORY_TYPE;
+
+/* Memory range caching types */
+#define EFI_MEMORY_UC  0x0000000000000001
+#define EFI_MEMORY_WC  0x0000000000000002
+#define EFI_MEMORY_WT  0x0000000000000004
+#define EFI_MEMORY_WB  0x0000000000000008
+#define EFI_MEMORY_UCE 0x0000000000000010  
+
+/* Memory range protection flags */
+#define EFI_MEMORY_WP 0x0000000000001000
+#define EFI_MEMORY_RP 0x0000000000002000
+#define EFI_MEMORY_XP 0x0000000000004000
+#define EFI_MEMORY_RO 0x0000000000020000
+
+/* Memory type runtime mapping flags */
+#define EFI_MEMORY_NV      0x0000000000008000
+#define EFI_MEMORY_RUNTIME 0x8000000000000000
+
+#define EFI_MEMORY_DESCRIPTOR_VERSION 1
+
+typedef struct {
+    UINT32 Type;
+    UINT32 Pad;
+    EFI_PHYSICAL_ADDRESS PhysicalStart;
+    EFI_VIRTUAL_ADDRESS VirtualStart;
+    UINT64 NumberOfPages;
+    UINT64 Attribute;
+} EFI_MEMORY_DESCRIPTOR;
+
+#define EFI_PAGE_SIZE  4096
+#define EFI_PAGE_MASK  0xFFF
+#define EFI_PAGE_SHIFT 12
+
+#define EFI_SIZE_TO_PAGES(s) (((s) >> EFI_PAGE_SHIFT) + ((s) & EFI_PAGE_MASK ? 1 : 0))
+
+#endif