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efi_loader: efi_console: use helper functions

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Use helper functions efi_created_handle and efi_add_protocol
for creating the console handles and instaling the respective
protocols.

This change is needed if we want to move from an array of
protocols to a linked list of protocols.

Eliminate EFI_PROTOCOL_OBJECT which is not used anymore.

Currently we have not defined protocol interfaces to be const.
So efi_con_out and efi_console_control cannot be defined as const.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Heinrich Schuchardt 2017-10-26 19:25:59 +02:00 committed by Alexander Graf
parent 48b66230ee
commit ebb4dd5bc3
2 changed files with 37 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
include/efi_loader.h
View File

@ -78,9 +78,9 @@ const char *__efi_nesting_dec(void);
extern struct efi_runtime_services efi_runtime_services;
extern struct efi_system_table systab;
extern const struct efi_simple_text_output_protocol efi_con_out;
extern struct efi_simple_text_output_protocol efi_con_out;
extern struct efi_simple_input_interface efi_con_in;
extern const struct efi_console_control_protocol efi_console_control;
extern struct efi_console_control_protocol efi_console_control;
extern const struct efi_device_path_to_text_protocol efi_device_path_to_text;
uint16_t *efi_dp_str(struct efi_device_path *dp);
@ -121,14 +121,6 @@ struct efi_object {
void *handle;
};
#define EFI_PROTOCOL_OBJECT(_guid, _protocol) (struct efi_object){ \
.protocols = {{ \
.guid = &(_guid), \
.protocol_interface = (void *)(_protocol), \
}}, \
.handle = (void *)(_protocol), \
}
/**
* struct efi_event
*

48
lib/efi_loader/efi_console.c
View File

@ -46,6 +46,10 @@ static struct cout_mode efi_cout_modes[] = {
};
const efi_guid_t efi_guid_console_control = CONSOLE_CONTROL_GUID;
const efi_guid_t efi_guid_text_output_protocol =
EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID;
const efi_guid_t efi_guid_text_input_protocol =
EFI_SIMPLE_TEXT_INPUT_PROTOCOL_GUID;
#define cESC '\x1b'
#define ESC "\x1b"
@ -81,7 +85,7 @@ static efi_status_t EFIAPI efi_cin_lock_std_in(
return EFI_EXIT(EFI_UNSUPPORTED);
}
const struct efi_console_control_protocol efi_console_control = {
struct efi_console_control_protocol efi_console_control = {
.get_mode = efi_cin_get_mode,
.set_mode = efi_cin_set_mode,
.lock_std_in = efi_cin_lock_std_in,
@ -374,7 +378,7 @@ static efi_status_t EFIAPI efi_cout_enable_cursor(
return EFI_EXIT(EFI_SUCCESS);
}
const struct efi_simple_text_output_protocol efi_con_out = {
struct efi_simple_text_output_protocol efi_con_out = {
.reset = efi_cout_reset,
.output_string = efi_cout_output_string,
.test_string = efi_cout_test_string,
@ -490,23 +494,38 @@ static void EFIAPI efi_console_timer_notify(struct efi_event *event,
}
static struct efi_object efi_console_control_obj =
EFI_PROTOCOL_OBJECT(efi_guid_console_control, &efi_console_control);
static struct efi_object efi_console_output_obj =
EFI_PROTOCOL_OBJECT(EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID, &efi_con_out);
static struct efi_object efi_console_input_obj =
EFI_PROTOCOL_OBJECT(EFI_SIMPLE_TEXT_INPUT_PROTOCOL_GUID, &efi_con_in);
/* This gets called from do_bootefi_exec(). */
int efi_console_register(void)
{
efi_status_t r;
struct efi_object *efi_console_control_obj;
struct efi_object *efi_console_output_obj;
struct efi_object *efi_console_input_obj;
/* Hook up to the device list */
list_add_tail(&efi_console_control_obj.link, &efi_obj_list);
list_add_tail(&efi_console_output_obj.link, &efi_obj_list);
list_add_tail(&efi_console_input_obj.link, &efi_obj_list);
/* Create handles */
r = efi_create_handle((void **)&efi_console_control_obj);
if (r != EFI_SUCCESS)
goto out_of_memory;
r = efi_add_protocol(efi_console_control_obj->handle,
&efi_guid_console_control, &efi_console_control);
if (r != EFI_SUCCESS)
goto out_of_memory;
r = efi_create_handle((void **)&efi_console_output_obj);
if (r != EFI_SUCCESS)
goto out_of_memory;
r = efi_add_protocol(efi_console_output_obj->handle,
&efi_guid_text_output_protocol, &efi_con_out);
if (r != EFI_SUCCESS)
goto out_of_memory;
r = efi_create_handle((void **)&efi_console_input_obj);
if (r != EFI_SUCCESS)
goto out_of_memory;
r = efi_add_protocol(efi_console_input_obj->handle,
&efi_guid_text_input_protocol, &efi_con_in);
if (r != EFI_SUCCESS)
goto out_of_memory;
/* Create console events */
r = efi_create_event(EVT_NOTIFY_WAIT, TPL_CALLBACK,
efi_key_notify, NULL, &efi_con_in.wait_for_key);
if (r != EFI_SUCCESS) {
@ -525,4 +544,7 @@ int efi_console_register(void)
if (r != EFI_SUCCESS)
printf("ERROR: Failed to set console timer\n");
return r;
out_of_memory:
printf("ERROR: Out of meemory\n");
return r;
}