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efi_loader: refactor efi_create_event

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efi_create_event is refactored to make it possible to call it
internally. For EFI applications wrapper function
efi_create_event_ext is created.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
xypron.glpk@gmx.de 2017-07-18 20:17:20 +02:00 committed by Alexander Graf
parent 503f269554
commit 49deb455e6
2 changed files with 29 additions and 12 deletions
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6
include/efi_loader.h
View file

@ -116,6 +116,12 @@ efi_status_t efi_exit_func(efi_status_t ret);
void efi_runtime_relocate(ulong offset, struct efi_mem_desc *map);
/* Call this to set the current device name */
void efi_set_bootdev(const char *dev, const char *devnr, const char *path);
/* Call this to create an event */
efi_status_t efi_create_event(enum efi_event_type type, UINTN notify_tpl,
void (EFIAPI *notify_function) (
struct efi_event *event,
void *context),
void *notify_context, struct efi_event **event);
/* Generic EFI memory allocator, call this to get memory */
void *efi_alloc(uint64_t len, int memory_type);

35
lib/efi_loader/efi_boottime.c
View file

@ -179,26 +179,23 @@ static efi_status_t EFIAPI efi_free_pool_ext(void *buffer)
*/
static struct efi_event efi_events[16];
static efi_status_t EFIAPI efi_create_event(
enum efi_event_type type, UINTN notify_tpl,
void (EFIAPI *notify_function) (
efi_status_t efi_create_event(enum efi_event_type type, UINTN notify_tpl,
void (EFIAPI *notify_function) (
struct efi_event *event,
void *context),
void *notify_context, struct efi_event **event)
void *notify_context, struct efi_event **event)
{
int i;
EFI_ENTRY("%d, 0x%zx, %p, %p", type, notify_tpl, notify_function,
notify_context);
if (event == NULL)
return EFI_EXIT(EFI_INVALID_PARAMETER);
return EFI_INVALID_PARAMETER;
if ((type & EVT_NOTIFY_SIGNAL) && (type & EVT_NOTIFY_WAIT))
return EFI_EXIT(EFI_INVALID_PARAMETER);
return EFI_INVALID_PARAMETER;
if ((type & (EVT_NOTIFY_SIGNAL|EVT_NOTIFY_WAIT)) &&
notify_function == NULL)
return EFI_EXIT(EFI_INVALID_PARAMETER);
return EFI_INVALID_PARAMETER;
for (i = 0; i < ARRAY_SIZE(efi_events); ++i) {
if (efi_events[i].type)
@ -211,11 +208,25 @@ static efi_status_t EFIAPI efi_create_event(
efi_events[i].trigger_next = -1ULL;
efi_events[i].signaled = 0;
*event = &efi_events[i];
return EFI_EXIT(EFI_SUCCESS);
return EFI_SUCCESS;
}
return EFI_EXIT(EFI_OUT_OF_RESOURCES);
return EFI_OUT_OF_RESOURCES;
}
static efi_status_t EFIAPI efi_create_event_ext(
enum efi_event_type type, UINTN notify_tpl,
void (EFIAPI *notify_function) (
struct efi_event *event,
void *context),
void *notify_context, struct efi_event **event)
{
EFI_ENTRY("%d, 0x%zx, %p, %p", type, notify_tpl, notify_function,
notify_context);
return EFI_EXIT(efi_create_event(type, notify_tpl, notify_function,
notify_context, event));
}
/*
* Our timers have to work without interrupts, so we check whenever keyboard
* input or disk accesses happen if enough time elapsed for it to fire.
@ -1055,7 +1066,7 @@ static const struct efi_boot_services efi_boot_services = {
.get_memory_map = efi_get_memory_map_ext,
.allocate_pool = efi_allocate_pool_ext,
.free_pool = efi_free_pool_ext,
.create_event = efi_create_event,
.create_event = efi_create_event_ext,
.set_timer = efi_set_timer,
.wait_for_event = efi_wait_for_event,
.signal_event = efi_signal_event_ext,