efi_wrapper.h

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/* SPDX-License-Identifier: BSD-3-Clause */
 
#ifndef __EFI_WRAPPER_H__
#define __EFI_WRAPPER_H__
 
#define EFI_WRAPPER_VER 2
 
/* Provide generic x86 calling conventions. */
#define ABI_X86 __attribute((regparm(0)))
 
/* Errors returned by the EFI wrapper. */
enum efi_wrapper_error {
        INVALID_VER = -1,
};
 
struct efi_wrapper_params {
        /* Mainboard Inputs */
        int version;
 
        void ABI_X86 (*console_out)(unsigned char byte);
 
        unsigned int tsc_ticks_per_microsecond;
} __packed;
 
typedef int ABI_X86 (*efi_wrapper_entry_t)(struct efi_wrapper_params *);
#endif