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861 lines
24 KiB
861 lines
24 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef _DRIVERS_FIRMWARE_EFI_EFISTUB_H |
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#define _DRIVERS_FIRMWARE_EFI_EFISTUB_H |
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#include <linux/compiler.h> |
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#include <linux/efi.h> |
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#include <linux/kernel.h> |
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#include <linux/kern_levels.h> |
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#include <linux/types.h> |
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#include <asm/efi.h> |
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/* |
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* __init annotations should not be used in the EFI stub, since the code is |
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* either included in the decompressor (x86, ARM) where they have no effect, |
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* or the whole stub is __init annotated at the section level (arm64), by |
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* renaming the sections, in which case the __init annotation will be |
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* redundant, and will result in section names like .init.init.text, and our |
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* linker script does not expect that. |
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*/ |
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#undef __init |
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/* |
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* Allow the platform to override the allocation granularity: this allows |
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* systems that have the capability to run with a larger page size to deal |
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* with the allocations for initrd and fdt more efficiently. |
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*/ |
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#ifndef EFI_ALLOC_ALIGN |
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#define EFI_ALLOC_ALIGN EFI_PAGE_SIZE |
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#endif |
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extern bool efi_nochunk; |
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extern bool efi_nokaslr; |
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extern bool efi_noinitrd; |
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extern int efi_loglevel; |
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extern bool efi_novamap; |
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extern const efi_system_table_t *efi_system_table; |
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efi_status_t __efiapi efi_pe_entry(efi_handle_t handle, |
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efi_system_table_t *sys_table_arg); |
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#ifndef ARCH_HAS_EFISTUB_WRAPPERS |
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#define efi_is_native() (true) |
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#define efi_bs_call(func, ...) efi_system_table->boottime->func(__VA_ARGS__) |
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#define efi_rt_call(func, ...) efi_system_table->runtime->func(__VA_ARGS__) |
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#define efi_table_attr(inst, attr) (inst->attr) |
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#define efi_call_proto(inst, func, ...) inst->func(inst, ##__VA_ARGS__) |
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#endif |
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#define efi_info(fmt, ...) \ |
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efi_printk(KERN_INFO fmt, ##__VA_ARGS__) |
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#define efi_warn(fmt, ...) \ |
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efi_printk(KERN_WARNING "WARNING: " fmt, ##__VA_ARGS__) |
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#define efi_err(fmt, ...) \ |
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efi_printk(KERN_ERR "ERROR: " fmt, ##__VA_ARGS__) |
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#define efi_debug(fmt, ...) \ |
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efi_printk(KERN_DEBUG "DEBUG: " fmt, ##__VA_ARGS__) |
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#define efi_printk_once(fmt, ...) \ |
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({ \ |
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static bool __print_once; \ |
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bool __ret_print_once = !__print_once; \ |
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\ |
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if (!__print_once) { \ |
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__print_once = true; \ |
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efi_printk(fmt, ##__VA_ARGS__); \ |
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} \ |
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__ret_print_once; \ |
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}) |
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#define efi_info_once(fmt, ...) \ |
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efi_printk_once(KERN_INFO fmt, ##__VA_ARGS__) |
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#define efi_warn_once(fmt, ...) \ |
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efi_printk_once(KERN_WARNING "WARNING: " fmt, ##__VA_ARGS__) |
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#define efi_err_once(fmt, ...) \ |
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efi_printk_once(KERN_ERR "ERROR: " fmt, ##__VA_ARGS__) |
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#define efi_debug_once(fmt, ...) \ |
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efi_printk_once(KERN_DEBUG "DEBUG: " fmt, ##__VA_ARGS__) |
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/* Helper macros for the usual case of using simple C variables: */ |
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#ifndef fdt_setprop_inplace_var |
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#define fdt_setprop_inplace_var(fdt, node_offset, name, var) \ |
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fdt_setprop_inplace((fdt), (node_offset), (name), &(var), sizeof(var)) |
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#endif |
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#ifndef fdt_setprop_var |
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#define fdt_setprop_var(fdt, node_offset, name, var) \ |
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fdt_setprop((fdt), (node_offset), (name), &(var), sizeof(var)) |
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#endif |
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#define get_efi_var(name, vendor, ...) \ |
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efi_rt_call(get_variable, (efi_char16_t *)(name), \ |
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(efi_guid_t *)(vendor), __VA_ARGS__) |
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#define set_efi_var(name, vendor, ...) \ |
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efi_rt_call(set_variable, (efi_char16_t *)(name), \ |
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(efi_guid_t *)(vendor), __VA_ARGS__) |
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#define efi_get_handle_at(array, idx) \ |
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(efi_is_native() ? (array)[idx] \ |
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: (efi_handle_t)(unsigned long)((u32 *)(array))[idx]) |
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#define efi_get_handle_num(size) \ |
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((size) / (efi_is_native() ? sizeof(efi_handle_t) : sizeof(u32))) |
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#define for_each_efi_handle(handle, array, size, i) \ |
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for (i = 0; \ |
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i < efi_get_handle_num(size) && \ |
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((handle = efi_get_handle_at((array), i)) || true); \ |
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i++) |
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static inline |
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void efi_set_u64_split(u64 data, u32 *lo, u32 *hi) |
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{ |
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*lo = lower_32_bits(data); |
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*hi = upper_32_bits(data); |
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} |
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/* |
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* Allocation types for calls to boottime->allocate_pages. |
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*/ |
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#define EFI_ALLOCATE_ANY_PAGES 0 |
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#define EFI_ALLOCATE_MAX_ADDRESS 1 |
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#define EFI_ALLOCATE_ADDRESS 2 |
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#define EFI_MAX_ALLOCATE_TYPE 3 |
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/* |
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* The type of search to perform when calling boottime->locate_handle |
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*/ |
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#define EFI_LOCATE_ALL_HANDLES 0 |
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#define EFI_LOCATE_BY_REGISTER_NOTIFY 1 |
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#define EFI_LOCATE_BY_PROTOCOL 2 |
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/* |
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* boottime->stall takes the time period in microseconds |
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*/ |
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#define EFI_USEC_PER_SEC 1000000 |
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/* |
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* boottime->set_timer takes the time in 100ns units |
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*/ |
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#define EFI_100NSEC_PER_USEC ((u64)10) |
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/* |
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* An efi_boot_memmap is used by efi_get_memory_map() to return the |
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* EFI memory map in a dynamically allocated buffer. |
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* |
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* The buffer allocated for the EFI memory map includes extra room for |
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* a minimum of EFI_MMAP_NR_SLACK_SLOTS additional EFI memory descriptors. |
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* This facilitates the reuse of the EFI memory map buffer when a second |
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* call to ExitBootServices() is needed because of intervening changes to |
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* the EFI memory map. Other related structures, e.g. x86 e820ext, need |
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* to factor in this headroom requirement as well. |
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*/ |
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#define EFI_MMAP_NR_SLACK_SLOTS 8 |
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struct efi_boot_memmap { |
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efi_memory_desc_t **map; |
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unsigned long *map_size; |
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unsigned long *desc_size; |
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u32 *desc_ver; |
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unsigned long *key_ptr; |
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unsigned long *buff_size; |
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}; |
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typedef struct efi_generic_dev_path efi_device_path_protocol_t; |
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typedef void *efi_event_t; |
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/* Note that notifications won't work in mixed mode */ |
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typedef void (__efiapi *efi_event_notify_t)(efi_event_t, void *); |
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#define EFI_EVT_TIMER 0x80000000U |
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#define EFI_EVT_RUNTIME 0x40000000U |
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#define EFI_EVT_NOTIFY_WAIT 0x00000100U |
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#define EFI_EVT_NOTIFY_SIGNAL 0x00000200U |
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/** |
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* efi_set_event_at() - add event to events array |
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* |
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* @events: array of UEFI events |
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* @ids: index where to put the event in the array |
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* @event: event to add to the aray |
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* |
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* boottime->wait_for_event() takes an array of events as input. |
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* Provide a helper to set it up correctly for mixed mode. |
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*/ |
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static inline |
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void efi_set_event_at(efi_event_t *events, size_t idx, efi_event_t event) |
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{ |
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if (efi_is_native()) |
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events[idx] = event; |
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else |
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((u32 *)events)[idx] = (u32)(unsigned long)event; |
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} |
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#define EFI_TPL_APPLICATION 4 |
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#define EFI_TPL_CALLBACK 8 |
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#define EFI_TPL_NOTIFY 16 |
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#define EFI_TPL_HIGH_LEVEL 31 |
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typedef enum { |
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EfiTimerCancel, |
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EfiTimerPeriodic, |
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EfiTimerRelative |
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} EFI_TIMER_DELAY; |
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/* |
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* EFI Boot Services table |
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*/ |
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union efi_boot_services { |
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struct { |
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efi_table_hdr_t hdr; |
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void *raise_tpl; |
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void *restore_tpl; |
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efi_status_t (__efiapi *allocate_pages)(int, int, unsigned long, |
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efi_physical_addr_t *); |
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efi_status_t (__efiapi *free_pages)(efi_physical_addr_t, |
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unsigned long); |
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efi_status_t (__efiapi *get_memory_map)(unsigned long *, void *, |
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unsigned long *, |
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unsigned long *, u32 *); |
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efi_status_t (__efiapi *allocate_pool)(int, unsigned long, |
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void **); |
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efi_status_t (__efiapi *free_pool)(void *); |
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efi_status_t (__efiapi *create_event)(u32, unsigned long, |
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efi_event_notify_t, void *, |
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efi_event_t *); |
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efi_status_t (__efiapi *set_timer)(efi_event_t, |
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EFI_TIMER_DELAY, u64); |
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efi_status_t (__efiapi *wait_for_event)(unsigned long, |
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efi_event_t *, |
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unsigned long *); |
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void *signal_event; |
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efi_status_t (__efiapi *close_event)(efi_event_t); |
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void *check_event; |
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void *install_protocol_interface; |
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void *reinstall_protocol_interface; |
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void *uninstall_protocol_interface; |
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efi_status_t (__efiapi *handle_protocol)(efi_handle_t, |
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efi_guid_t *, void **); |
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void *__reserved; |
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void *register_protocol_notify; |
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efi_status_t (__efiapi *locate_handle)(int, efi_guid_t *, |
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void *, unsigned long *, |
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efi_handle_t *); |
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efi_status_t (__efiapi *locate_device_path)(efi_guid_t *, |
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efi_device_path_protocol_t **, |
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efi_handle_t *); |
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efi_status_t (__efiapi *install_configuration_table)(efi_guid_t *, |
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void *); |
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void *load_image; |
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void *start_image; |
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efi_status_t __noreturn (__efiapi *exit)(efi_handle_t, |
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efi_status_t, |
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unsigned long, |
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efi_char16_t *); |
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void *unload_image; |
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efi_status_t (__efiapi *exit_boot_services)(efi_handle_t, |
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unsigned long); |
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void *get_next_monotonic_count; |
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efi_status_t (__efiapi *stall)(unsigned long); |
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void *set_watchdog_timer; |
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void *connect_controller; |
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efi_status_t (__efiapi *disconnect_controller)(efi_handle_t, |
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efi_handle_t, |
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efi_handle_t); |
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void *open_protocol; |
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void *close_protocol; |
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void *open_protocol_information; |
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void *protocols_per_handle; |
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void *locate_handle_buffer; |
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efi_status_t (__efiapi *locate_protocol)(efi_guid_t *, void *, |
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void **); |
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void *install_multiple_protocol_interfaces; |
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void *uninstall_multiple_protocol_interfaces; |
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void *calculate_crc32; |
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void *copy_mem; |
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void *set_mem; |
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void *create_event_ex; |
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}; |
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struct { |
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efi_table_hdr_t hdr; |
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u32 raise_tpl; |
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u32 restore_tpl; |
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u32 allocate_pages; |
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u32 free_pages; |
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u32 get_memory_map; |
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u32 allocate_pool; |
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u32 free_pool; |
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u32 create_event; |
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u32 set_timer; |
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u32 wait_for_event; |
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u32 signal_event; |
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u32 close_event; |
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u32 check_event; |
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u32 install_protocol_interface; |
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u32 reinstall_protocol_interface; |
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u32 uninstall_protocol_interface; |
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u32 handle_protocol; |
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u32 __reserved; |
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u32 register_protocol_notify; |
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u32 locate_handle; |
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u32 locate_device_path; |
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u32 install_configuration_table; |
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u32 load_image; |
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u32 start_image; |
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u32 exit; |
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u32 unload_image; |
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u32 exit_boot_services; |
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u32 get_next_monotonic_count; |
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u32 stall; |
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u32 set_watchdog_timer; |
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u32 connect_controller; |
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u32 disconnect_controller; |
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u32 open_protocol; |
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u32 close_protocol; |
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u32 open_protocol_information; |
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u32 protocols_per_handle; |
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u32 locate_handle_buffer; |
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u32 locate_protocol; |
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u32 install_multiple_protocol_interfaces; |
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u32 uninstall_multiple_protocol_interfaces; |
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u32 calculate_crc32; |
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u32 copy_mem; |
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u32 set_mem; |
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u32 create_event_ex; |
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} mixed_mode; |
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}; |
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typedef union efi_uga_draw_protocol efi_uga_draw_protocol_t; |
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union efi_uga_draw_protocol { |
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struct { |
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efi_status_t (__efiapi *get_mode)(efi_uga_draw_protocol_t *, |
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u32*, u32*, u32*, u32*); |
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void *set_mode; |
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void *blt; |
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}; |
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struct { |
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u32 get_mode; |
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u32 set_mode; |
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u32 blt; |
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} mixed_mode; |
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}; |
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typedef struct { |
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u16 scan_code; |
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efi_char16_t unicode_char; |
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} efi_input_key_t; |
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union efi_simple_text_input_protocol { |
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struct { |
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void *reset; |
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efi_status_t (__efiapi *read_keystroke)(efi_simple_text_input_protocol_t *, |
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efi_input_key_t *); |
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efi_event_t wait_for_key; |
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}; |
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struct { |
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u32 reset; |
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u32 read_keystroke; |
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u32 wait_for_key; |
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} mixed_mode; |
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}; |
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efi_status_t efi_wait_for_key(unsigned long usec, efi_input_key_t *key); |
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union efi_simple_text_output_protocol { |
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struct { |
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void *reset; |
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efi_status_t (__efiapi *output_string)(efi_simple_text_output_protocol_t *, |
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efi_char16_t *); |
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void *test_string; |
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}; |
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struct { |
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u32 reset; |
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u32 output_string; |
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u32 test_string; |
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} mixed_mode; |
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}; |
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#define PIXEL_RGB_RESERVED_8BIT_PER_COLOR 0 |
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#define PIXEL_BGR_RESERVED_8BIT_PER_COLOR 1 |
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#define PIXEL_BIT_MASK 2 |
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#define PIXEL_BLT_ONLY 3 |
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#define PIXEL_FORMAT_MAX 4 |
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typedef struct { |
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u32 red_mask; |
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u32 green_mask; |
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u32 blue_mask; |
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u32 reserved_mask; |
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} efi_pixel_bitmask_t; |
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typedef struct { |
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u32 version; |
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u32 horizontal_resolution; |
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u32 vertical_resolution; |
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int pixel_format; |
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efi_pixel_bitmask_t pixel_information; |
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u32 pixels_per_scan_line; |
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} efi_graphics_output_mode_info_t; |
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typedef union efi_graphics_output_protocol_mode efi_graphics_output_protocol_mode_t; |
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union efi_graphics_output_protocol_mode { |
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struct { |
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u32 max_mode; |
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u32 mode; |
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efi_graphics_output_mode_info_t *info; |
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unsigned long size_of_info; |
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efi_physical_addr_t frame_buffer_base; |
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unsigned long frame_buffer_size; |
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}; |
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struct { |
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u32 max_mode; |
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u32 mode; |
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u32 info; |
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u32 size_of_info; |
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u64 frame_buffer_base; |
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u32 frame_buffer_size; |
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} mixed_mode; |
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}; |
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typedef union efi_graphics_output_protocol efi_graphics_output_protocol_t; |
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union efi_graphics_output_protocol { |
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struct { |
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efi_status_t (__efiapi *query_mode)(efi_graphics_output_protocol_t *, |
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u32, unsigned long *, |
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efi_graphics_output_mode_info_t **); |
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efi_status_t (__efiapi *set_mode) (efi_graphics_output_protocol_t *, u32); |
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void *blt; |
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efi_graphics_output_protocol_mode_t *mode; |
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}; |
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struct { |
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u32 query_mode; |
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u32 set_mode; |
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u32 blt; |
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u32 mode; |
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} mixed_mode; |
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}; |
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typedef union { |
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struct { |
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u32 revision; |
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efi_handle_t parent_handle; |
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efi_system_table_t *system_table; |
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efi_handle_t device_handle; |
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void *file_path; |
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void *reserved; |
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u32 load_options_size; |
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void *load_options; |
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void *image_base; |
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__aligned_u64 image_size; |
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unsigned int image_code_type; |
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unsigned int image_data_type; |
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efi_status_t (__efiapi *unload)(efi_handle_t image_handle); |
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}; |
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struct { |
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u32 revision; |
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u32 parent_handle; |
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u32 system_table; |
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u32 device_handle; |
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u32 file_path; |
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u32 reserved; |
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u32 load_options_size; |
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u32 load_options; |
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u32 image_base; |
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__aligned_u64 image_size; |
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u32 image_code_type; |
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u32 image_data_type; |
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u32 unload; |
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} mixed_mode; |
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} efi_loaded_image_t; |
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typedef struct { |
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u64 size; |
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u64 file_size; |
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u64 phys_size; |
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efi_time_t create_time; |
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efi_time_t last_access_time; |
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efi_time_t modification_time; |
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__aligned_u64 attribute; |
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efi_char16_t filename[]; |
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} efi_file_info_t; |
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typedef struct efi_file_protocol efi_file_protocol_t; |
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struct efi_file_protocol { |
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u64 revision; |
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efi_status_t (__efiapi *open) (efi_file_protocol_t *, |
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efi_file_protocol_t **, |
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efi_char16_t *, u64, u64); |
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efi_status_t (__efiapi *close) (efi_file_protocol_t *); |
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efi_status_t (__efiapi *delete) (efi_file_protocol_t *); |
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efi_status_t (__efiapi *read) (efi_file_protocol_t *, |
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unsigned long *, void *); |
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efi_status_t (__efiapi *write) (efi_file_protocol_t *, |
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unsigned long, void *); |
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efi_status_t (__efiapi *get_position)(efi_file_protocol_t *, u64 *); |
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efi_status_t (__efiapi *set_position)(efi_file_protocol_t *, u64); |
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efi_status_t (__efiapi *get_info) (efi_file_protocol_t *, |
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efi_guid_t *, unsigned long *, |
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void *); |
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efi_status_t (__efiapi *set_info) (efi_file_protocol_t *, |
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efi_guid_t *, unsigned long, |
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void *); |
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efi_status_t (__efiapi *flush) (efi_file_protocol_t *); |
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}; |
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typedef struct efi_simple_file_system_protocol efi_simple_file_system_protocol_t; |
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struct efi_simple_file_system_protocol { |
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u64 revision; |
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int (__efiapi *open_volume)(efi_simple_file_system_protocol_t *, |
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efi_file_protocol_t **); |
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}; |
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#define EFI_FILE_MODE_READ 0x0000000000000001 |
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#define EFI_FILE_MODE_WRITE 0x0000000000000002 |
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#define EFI_FILE_MODE_CREATE 0x8000000000000000 |
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typedef enum { |
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EfiPciIoWidthUint8, |
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EfiPciIoWidthUint16, |
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EfiPciIoWidthUint32, |
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EfiPciIoWidthUint64, |
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EfiPciIoWidthFifoUint8, |
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EfiPciIoWidthFifoUint16, |
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EfiPciIoWidthFifoUint32, |
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EfiPciIoWidthFifoUint64, |
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EfiPciIoWidthFillUint8, |
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EfiPciIoWidthFillUint16, |
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EfiPciIoWidthFillUint32, |
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EfiPciIoWidthFillUint64, |
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EfiPciIoWidthMaximum |
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} EFI_PCI_IO_PROTOCOL_WIDTH; |
|
|
|
typedef enum { |
|
EfiPciIoAttributeOperationGet, |
|
EfiPciIoAttributeOperationSet, |
|
EfiPciIoAttributeOperationEnable, |
|
EfiPciIoAttributeOperationDisable, |
|
EfiPciIoAttributeOperationSupported, |
|
EfiPciIoAttributeOperationMaximum |
|
} EFI_PCI_IO_PROTOCOL_ATTRIBUTE_OPERATION; |
|
|
|
typedef struct { |
|
u32 read; |
|
u32 write; |
|
} efi_pci_io_protocol_access_32_t; |
|
|
|
typedef union efi_pci_io_protocol efi_pci_io_protocol_t; |
|
|
|
typedef |
|
efi_status_t (__efiapi *efi_pci_io_protocol_cfg_t)(efi_pci_io_protocol_t *, |
|
EFI_PCI_IO_PROTOCOL_WIDTH, |
|
u32 offset, |
|
unsigned long count, |
|
void *buffer); |
|
|
|
typedef struct { |
|
void *read; |
|
void *write; |
|
} efi_pci_io_protocol_access_t; |
|
|
|
typedef struct { |
|
efi_pci_io_protocol_cfg_t read; |
|
efi_pci_io_protocol_cfg_t write; |
|
} efi_pci_io_protocol_config_access_t; |
|
|
|
union efi_pci_io_protocol { |
|
struct { |
|
void *poll_mem; |
|
void *poll_io; |
|
efi_pci_io_protocol_access_t mem; |
|
efi_pci_io_protocol_access_t io; |
|
efi_pci_io_protocol_config_access_t pci; |
|
void *copy_mem; |
|
void *map; |
|
void *unmap; |
|
void *allocate_buffer; |
|
void *free_buffer; |
|
void *flush; |
|
efi_status_t (__efiapi *get_location)(efi_pci_io_protocol_t *, |
|
unsigned long *segment_nr, |
|
unsigned long *bus_nr, |
|
unsigned long *device_nr, |
|
unsigned long *func_nr); |
|
void *attributes; |
|
void *get_bar_attributes; |
|
void *set_bar_attributes; |
|
uint64_t romsize; |
|
void *romimage; |
|
}; |
|
struct { |
|
u32 poll_mem; |
|
u32 poll_io; |
|
efi_pci_io_protocol_access_32_t mem; |
|
efi_pci_io_protocol_access_32_t io; |
|
efi_pci_io_protocol_access_32_t pci; |
|
u32 copy_mem; |
|
u32 map; |
|
u32 unmap; |
|
u32 allocate_buffer; |
|
u32 free_buffer; |
|
u32 flush; |
|
u32 get_location; |
|
u32 attributes; |
|
u32 get_bar_attributes; |
|
u32 set_bar_attributes; |
|
u64 romsize; |
|
u32 romimage; |
|
} mixed_mode; |
|
}; |
|
|
|
#define EFI_PCI_IO_ATTRIBUTE_ISA_MOTHERBOARD_IO 0x0001 |
|
#define EFI_PCI_IO_ATTRIBUTE_ISA_IO 0x0002 |
|
#define EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO 0x0004 |
|
#define EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY 0x0008 |
|
#define EFI_PCI_IO_ATTRIBUTE_VGA_IO 0x0010 |
|
#define EFI_PCI_IO_ATTRIBUTE_IDE_PRIMARY_IO 0x0020 |
|
#define EFI_PCI_IO_ATTRIBUTE_IDE_SECONDARY_IO 0x0040 |
|
#define EFI_PCI_IO_ATTRIBUTE_MEMORY_WRITE_COMBINE 0x0080 |
|
#define EFI_PCI_IO_ATTRIBUTE_IO 0x0100 |
|
#define EFI_PCI_IO_ATTRIBUTE_MEMORY 0x0200 |
|
#define EFI_PCI_IO_ATTRIBUTE_BUS_MASTER 0x0400 |
|
#define EFI_PCI_IO_ATTRIBUTE_MEMORY_CACHED 0x0800 |
|
#define EFI_PCI_IO_ATTRIBUTE_MEMORY_DISABLE 0x1000 |
|
#define EFI_PCI_IO_ATTRIBUTE_EMBEDDED_DEVICE 0x2000 |
|
#define EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM 0x4000 |
|
#define EFI_PCI_IO_ATTRIBUTE_DUAL_ADDRESS_CYCLE 0x8000 |
|
#define EFI_PCI_IO_ATTRIBUTE_ISA_IO_16 0x10000 |
|
#define EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO_16 0x20000 |
|
#define EFI_PCI_IO_ATTRIBUTE_VGA_IO_16 0x40000 |
|
|
|
struct efi_dev_path; |
|
|
|
typedef union apple_properties_protocol apple_properties_protocol_t; |
|
|
|
union apple_properties_protocol { |
|
struct { |
|
unsigned long version; |
|
efi_status_t (__efiapi *get)(apple_properties_protocol_t *, |
|
struct efi_dev_path *, |
|
efi_char16_t *, void *, u32 *); |
|
efi_status_t (__efiapi *set)(apple_properties_protocol_t *, |
|
struct efi_dev_path *, |
|
efi_char16_t *, void *, u32); |
|
efi_status_t (__efiapi *del)(apple_properties_protocol_t *, |
|
struct efi_dev_path *, |
|
efi_char16_t *); |
|
efi_status_t (__efiapi *get_all)(apple_properties_protocol_t *, |
|
void *buffer, u32 *); |
|
}; |
|
struct { |
|
u32 version; |
|
u32 get; |
|
u32 set; |
|
u32 del; |
|
u32 get_all; |
|
} mixed_mode; |
|
}; |
|
|
|
typedef u32 efi_tcg2_event_log_format; |
|
|
|
typedef union efi_tcg2_protocol efi_tcg2_protocol_t; |
|
|
|
union efi_tcg2_protocol { |
|
struct { |
|
void *get_capability; |
|
efi_status_t (__efiapi *get_event_log)(efi_tcg2_protocol_t *, |
|
efi_tcg2_event_log_format, |
|
efi_physical_addr_t *, |
|
efi_physical_addr_t *, |
|
efi_bool_t *); |
|
void *hash_log_extend_event; |
|
void *submit_command; |
|
void *get_active_pcr_banks; |
|
void *set_active_pcr_banks; |
|
void *get_result_of_set_active_pcr_banks; |
|
}; |
|
struct { |
|
u32 get_capability; |
|
u32 get_event_log; |
|
u32 hash_log_extend_event; |
|
u32 submit_command; |
|
u32 get_active_pcr_banks; |
|
u32 set_active_pcr_banks; |
|
u32 get_result_of_set_active_pcr_banks; |
|
} mixed_mode; |
|
}; |
|
|
|
typedef union efi_load_file_protocol efi_load_file_protocol_t; |
|
typedef union efi_load_file_protocol efi_load_file2_protocol_t; |
|
|
|
union efi_load_file_protocol { |
|
struct { |
|
efi_status_t (__efiapi *load_file)(efi_load_file_protocol_t *, |
|
efi_device_path_protocol_t *, |
|
bool, unsigned long *, void *); |
|
}; |
|
struct { |
|
u32 load_file; |
|
} mixed_mode; |
|
}; |
|
|
|
typedef struct { |
|
u32 attributes; |
|
u16 file_path_list_length; |
|
u8 variable_data[]; |
|
// efi_char16_t description[]; |
|
// efi_device_path_protocol_t file_path_list[]; |
|
// u8 optional_data[]; |
|
} __packed efi_load_option_t; |
|
|
|
#define EFI_LOAD_OPTION_ACTIVE 0x0001U |
|
#define EFI_LOAD_OPTION_FORCE_RECONNECT 0x0002U |
|
#define EFI_LOAD_OPTION_HIDDEN 0x0008U |
|
#define EFI_LOAD_OPTION_CATEGORY 0x1f00U |
|
#define EFI_LOAD_OPTION_CATEGORY_BOOT 0x0000U |
|
#define EFI_LOAD_OPTION_CATEGORY_APP 0x0100U |
|
|
|
#define EFI_LOAD_OPTION_BOOT_MASK \ |
|
(EFI_LOAD_OPTION_ACTIVE|EFI_LOAD_OPTION_HIDDEN|EFI_LOAD_OPTION_CATEGORY) |
|
#define EFI_LOAD_OPTION_MASK (EFI_LOAD_OPTION_FORCE_RECONNECT|EFI_LOAD_OPTION_BOOT_MASK) |
|
|
|
typedef struct { |
|
u32 attributes; |
|
u16 file_path_list_length; |
|
const efi_char16_t *description; |
|
const efi_device_path_protocol_t *file_path_list; |
|
size_t optional_data_size; |
|
const void *optional_data; |
|
} efi_load_option_unpacked_t; |
|
|
|
void efi_pci_disable_bridge_busmaster(void); |
|
|
|
typedef efi_status_t (*efi_exit_boot_map_processing)( |
|
struct efi_boot_memmap *map, |
|
void *priv); |
|
|
|
efi_status_t efi_exit_boot_services(void *handle, |
|
struct efi_boot_memmap *map, |
|
void *priv, |
|
efi_exit_boot_map_processing priv_func); |
|
|
|
efi_status_t allocate_new_fdt_and_exit_boot(void *handle, |
|
unsigned long *new_fdt_addr, |
|
u64 initrd_addr, u64 initrd_size, |
|
char *cmdline_ptr, |
|
unsigned long fdt_addr, |
|
unsigned long fdt_size); |
|
|
|
void *get_fdt(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(unsigned long size, u8 *out); |
|
|
|
efi_status_t efi_random_alloc(unsigned long size, unsigned long align, |
|
unsigned long *addr, unsigned long random_seed); |
|
|
|
efi_status_t check_platform_features(void); |
|
|
|
void *get_efi_config_table(efi_guid_t guid); |
|
|
|
/* NOTE: These functions do not print a trailing newline after the string */ |
|
void efi_char16_puts(efi_char16_t *); |
|
void efi_puts(const char *str); |
|
|
|
__printf(1, 2) int efi_printk(char const *fmt, ...); |
|
|
|
void efi_free(unsigned long size, unsigned long addr); |
|
|
|
void efi_apply_loadoptions_quirk(const void **load_options, int *load_options_size); |
|
|
|
char *efi_convert_cmdline(efi_loaded_image_t *image, int *cmd_line_len); |
|
|
|
efi_status_t efi_get_memory_map(struct efi_boot_memmap *map); |
|
|
|
efi_status_t efi_allocate_pages(unsigned long size, unsigned long *addr, |
|
unsigned long max); |
|
|
|
efi_status_t efi_allocate_pages_aligned(unsigned long size, unsigned long *addr, |
|
unsigned long max, unsigned long align); |
|
|
|
efi_status_t efi_low_alloc_above(unsigned long size, unsigned long align, |
|
unsigned long *addr, unsigned long min); |
|
|
|
efi_status_t efi_relocate_kernel(unsigned long *image_addr, |
|
unsigned long image_size, |
|
unsigned long alloc_size, |
|
unsigned long preferred_addr, |
|
unsigned long alignment, |
|
unsigned long min_addr); |
|
|
|
efi_status_t efi_parse_options(char const *cmdline); |
|
|
|
void efi_parse_option_graphics(char *option); |
|
|
|
efi_status_t efi_setup_gop(struct screen_info *si, efi_guid_t *proto, |
|
unsigned long size); |
|
|
|
efi_status_t handle_cmdline_files(efi_loaded_image_t *image, |
|
const efi_char16_t *optstr, |
|
int optstr_size, |
|
unsigned long soft_limit, |
|
unsigned long hard_limit, |
|
unsigned long *load_addr, |
|
unsigned long *load_size); |
|
|
|
|
|
static inline efi_status_t efi_load_dtb(efi_loaded_image_t *image, |
|
unsigned long *load_addr, |
|
unsigned long *load_size) |
|
{ |
|
return handle_cmdline_files(image, L"dtb=", sizeof(L"dtb=") - 2, |
|
ULONG_MAX, ULONG_MAX, load_addr, load_size); |
|
} |
|
|
|
efi_status_t efi_load_initrd(efi_loaded_image_t *image, |
|
unsigned long *load_addr, |
|
unsigned long *load_size, |
|
unsigned long soft_limit, |
|
unsigned long hard_limit); |
|
/* |
|
* This function handles the architcture specific differences between arm and |
|
* arm64 regarding where the kernel image must be loaded and any memory that |
|
* must be reserved. On failure it is required to free all |
|
* all allocations it has made. |
|
*/ |
|
efi_status_t handle_kernel_image(unsigned long *image_addr, |
|
unsigned long *image_size, |
|
unsigned long *reserve_addr, |
|
unsigned long *reserve_size, |
|
efi_loaded_image_t *image); |
|
|
|
asmlinkage void __noreturn efi_enter_kernel(unsigned long entrypoint, |
|
unsigned long fdt_addr, |
|
unsigned long fdt_size); |
|
|
|
void efi_handle_post_ebs_state(void); |
|
|
|
enum efi_secureboot_mode efi_get_secureboot(void); |
|
|
|
#ifdef CONFIG_RESET_ATTACK_MITIGATION |
|
void efi_enable_reset_attack_mitigation(void); |
|
#else |
|
static inline void |
|
efi_enable_reset_attack_mitigation(void) { } |
|
#endif |
|
|
|
void efi_retrieve_tpm2_eventlog(void); |
|
|
|
#endif
|
|
|