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#ifndef _DRIVERS_FIRMWARE_EFI_EFISTUB_H
#define _DRIVERS_FIRMWARE_EFI_EFISTUB_H
/* error code which can't be mistaken for valid address */
#define EFI_ERROR (~0UL)
/*
* __init annotations should not be used in the EFI stub, since the code is
* either included in the decompressor (x86, ARM) where they have no effect,
* or the whole stub is __init annotated at the section level (arm64), by
* renaming the sections, in which case the __init annotation will be
* redundant, and will result in section names like .init.init.text, and our
* linker script does not expect that.
*/
#undef __init
/*
* Allow the platform to override the allocation granularity: this allows
* systems that have the capability to run with a larger page size to deal
* with the allocations for initrd and fdt more efficiently.
*/
#ifndef EFI_ALLOC_ALIGN
#define EFI_ALLOC_ALIGN EFI_PAGE_SIZE
#endif
void efi_char16_printk(efi_system_table_t *, efi_char16_t *);
efi_status_t efi_open_volume(efi_system_table_t *sys_table_arg, void *__image,
void **__fh);
efi_status_t efi_file_size(efi_system_table_t *sys_table_arg, void *__fh,
efi_char16_t *filename_16, void **handle,
u64 *file_sz);
efi_status_t efi_file_read(void *handle, unsigned long *size, void *addr);
efi_status_t efi_file_close(void *handle);
unsigned long get_dram_base(efi_system_table_t *sys_table_arg);
efi_status_t update_fdt(efi_system_table_t *sys_table, void *orig_fdt,
unsigned long orig_fdt_size,
void *fdt, int new_fdt_size, char *cmdline_ptr,
u64 initrd_addr, u64 initrd_size,
efi_memory_desc_t *memory_map,
unsigned long map_size, unsigned long desc_size,
u32 desc_ver);
efi_status_t allocate_new_fdt_and_exit_boot(efi_system_table_t *sys_table,
void *handle,
unsigned long *new_fdt_addr,
unsigned long max_addr,
u64 initrd_addr, u64 initrd_size,
char *cmdline_ptr,
unsigned long fdt_addr,
unsigned long fdt_size);
void *get_fdt(efi_system_table_t *sys_table, unsigned long *fdt_size);
void efi_get_virtmap(efi_memory_desc_t *memory_map, unsigned long map_size,
unsigned long desc_size, efi_memory_desc_t *runtime_map,
int *count);
efi_status_t efi_get_random_bytes(efi_system_table_t *sys_table,
unsigned long size, u8 *out);
efi_status_t efi_random_alloc(efi_system_table_t *sys_table_arg,
unsigned long size, unsigned long align,
unsigned long *addr, unsigned long random_seed);
efi_status_t check_platform_features(efi_system_table_t *sys_table_arg);
efi_status_t efi_random_get_seed(efi_system_table_t *sys_table_arg);
#endif
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