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efi_loader: Initial EFI_DEVICE_PATH_UTILITIES_PROTOCOL

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Not complete, but enough for Shell.efi and SCT.efi.  We'll implement the
rest as needed or once we have SCT running properly so there is a way to
validate the interface against the conformance test suite.

Initial skeleton written by Leif, and then implementation by Rob.

Signed-off-by: Leif Lindholm <leif.lindholm@linaro.org>
[Fill initial skeleton]
Signed-off-by: Rob Clark <robdclark@gmail.com>
[Rebase on v2018.03-rc1]
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Leif Lindholm
2018-03-09 17:43:21 +01:00
committed by Alexander Graf
parent 8396e3fd63
commit e70f8dfa2c
5 changed files with 130 additions and 1 deletions
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29
include/efi_api.h
View File

@@ -587,6 +587,35 @@ struct efi_device_path_to_text_protocol
bool allow_shortcuts);
};
#define EFI_DEVICE_PATH_UTILITIES_PROTOCOL_GUID \
EFI_GUID(0x0379be4e, 0xd706, 0x437d, \
0xb0, 0x37, 0xed, 0xb8, 0x2f, 0xb7, 0x72, 0xa4)
struct efi_device_path_utilities_protocol {
efi_uintn_t (EFIAPI *get_device_path_size)(
const struct efi_device_path *device_path);
struct efi_device_path *(EFIAPI *duplicate_device_path)(
const struct efi_device_path *device_path);
struct efi_device_path *(EFIAPI *append_device_path)(
const struct efi_device_path *src1,
const struct efi_device_path *src2);
struct efi_device_path *(EFIAPI *append_device_node)(
const struct efi_device_path *device_path,
const struct efi_device_path *device_node);
struct efi_device_path *(EFIAPI *append_device_path_instance)(
const struct efi_device_path *device_path,
const struct efi_device_path *device_path_instance);
struct efi_device_path *(EFIAPI *get_next_device_path_instance)(
struct efi_device_path **device_path_instance,
efi_uintn_t *device_path_instance_size);
bool (EFIAPI *is_device_path_multi_instance)(
const struct efi_device_path *device_path);
struct efi_device_path *(EFIAPI *create_device_node)(
uint8_t node_type,
uint8_t node_sub_type,
uint16_t node_length);
};
#define EFI_GOP_GUID \
EFI_GUID(0x9042a9de, 0x23dc, 0x4a38, \
0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a)

4
include/efi_loader.h
View File

@@ -83,6 +83,9 @@ extern struct efi_simple_text_output_protocol efi_con_out;
extern struct efi_simple_input_interface efi_con_in;
extern struct efi_console_control_protocol efi_console_control;
extern const struct efi_device_path_to_text_protocol efi_device_path_to_text;
/* implementation of the EFI_DEVICE_PATH_UTILITIES_PROTOCOL */
extern const struct efi_device_path_utilities_protocol
efi_device_path_utilities;
uint16_t *efi_dp_str(struct efi_device_path *dp);
@@ -97,6 +100,7 @@ extern const efi_guid_t efi_guid_loaded_image;
extern const efi_guid_t efi_guid_device_path_to_text_protocol;
extern const efi_guid_t efi_simple_file_system_protocol_guid;
extern const efi_guid_t efi_file_info_guid;
extern const efi_guid_t efi_guid_device_path_utilities_protocol;
extern unsigned int __efi_runtime_start, __efi_runtime_stop;
extern unsigned int __efi_runtime_rel_start, __efi_runtime_rel_stop;