helos1/main.h
2021-10-10 14:11:45 +08:00

49 lines
1.5 KiB
C

#ifdef __cplusplus
extern "C" {
#include <efi.h>
}
#else
#include <efi.h>
#endif
#define PROJECT_NAME "Helos1"
#define PROJECT_NAME_LONG L"Helos1"
#define FASTCALL_ABI __attribute__((ms_abi)) // declares a function as Microsoft x64 ABI. Used in the EFI part of the kernel.
#define SYSV_ABI __attribute__((sysv_abi)) // declares a function as System V AMD64 ABI. Used in the Kernel space (other than EFI bootstrap code).
#define ALIGNED(n) __attribute__((__aligned__(n)))
#define PACKED __attribute__((__packed__))
#if (defined __STDC_VERSION__) && __STDC_VERSION__ >= 201112L
#define NORETURN _Noreturn
#else
#define NORETURN __attribute__((__noreturn__))
#endif
#define noreturn NORETURN
// Don't (uint64_t) a function symbol directly, use this
#define LOCATE_SYMBOL(var, symbol) \
asm volatile("leaq " #symbol "(%%rip), %0" \
: "=r"(var))
extern EFI_HANDLE efiImageHandle;
extern EFI_SYSTEM_TABLE * efiSystemTable;
extern EFI_BOOT_SERVICES *efiBootServices;
extern SIMPLE_TEXT_OUTPUT_INTERFACE *efiStdout, *efiStderr;
extern SIMPLE_INPUT_INTERFACE * efiStdin;
#define HELOS_BUFFER_SIZE 16384
extern char Buffer[HELOS_BUFFER_SIZE]; // general-purpose buffer, user saved (volatile), not used in interrupt handlers
extern const char link_TextStart[], link_TextEnd[];
extern const char link_DataStart[], link_DataEnd[];
extern const char link_RodataStart[], link_RodataEnd[];
extern const char link_BssStart[], link_BssEnd[];
extern const char link_RelocStart[], link_RelocEnd[];