efi_loader: refactor efi_set_timer

efi_set_timer is refactored to make the function callable internally.
Wrapper function efi_set_timer_ext is provided for EFI applications.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>

diff --git a/include/efi_loader.h b/include/efi_loader.h
index c364015..342e960 100644 (file)
--- a/include/efi_loader.h
+++ b/include/efi_loader.h
@@ -122,6 +122,9 @@ efi_status_t efi_create_event(enum efi_event_type type, UINTN notify_tpl,
                                        struct efi_event *event,
                                        void *context),
                              void *notify_context, struct efi_event **event);
+/* Call this to set a timer */
+efi_status_t efi_set_timer(struct efi_event *event, int type,
+                          uint64_t trigger_time);
 
 /* Generic EFI memory allocator, call this to get memory */
 void *efi_alloc(uint64_t len, int memory_type);

diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c
index 30227cc..4cd06b3 100644 (file)
--- a/lib/efi_loader/efi_boottime.c
+++ b/lib/efi_loader/efi_boottime.c
@@ -252,16 +252,14 @@ void efi_timer_check(void)
        WATCHDOG_RESET();
 }
 
-static efi_status_t EFIAPI efi_set_timer(struct efi_event *event, int type,
-                                        uint64_t trigger_time)
+efi_status_t efi_set_timer(struct efi_event *event, int type,
+                          uint64_t trigger_time)
 {
        /* We don't have 64bit division available everywhere, so limit timer
         * distances to 32bit bits. */
        u32 trigger32 = trigger_time;
        int i;
 
-       EFI_ENTRY("%p, %d, %"PRIx64, event, type, trigger_time);
-
        if (trigger32 < trigger_time) {
                printf("WARNING: Truncating timer from %"PRIx64" to %x\n",
                       trigger_time, trigger32);
@@ -283,13 +281,20 @@ static efi_status_t EFIAPI efi_set_timer(struct efi_event *event, int type,
                                timer_get_us() + (trigger32 / 10);
                        break;
                default:
-                       return EFI_EXIT(EFI_INVALID_PARAMETER);
+                       return EFI_INVALID_PARAMETER;
                }
                event->trigger_type = type;
                event->trigger_time = trigger_time;
-               return EFI_EXIT(EFI_SUCCESS);
+               return EFI_SUCCESS;
        }
-       return EFI_EXIT(EFI_INVALID_PARAMETER);
+       return EFI_INVALID_PARAMETER;
+}
+
+static efi_status_t EFIAPI efi_set_timer_ext(struct efi_event *event, int type,
+                                        uint64_t trigger_time)
+{
+       EFI_ENTRY("%p, %d, %"PRIx64, event, type, trigger_time);
+       return EFI_EXIT(efi_set_timer(event, type, trigger_time));
 }
 
 static efi_status_t EFIAPI efi_wait_for_event(unsigned long num_events,
@@ -1067,7 +1072,7 @@ static const struct efi_boot_services efi_boot_services = {
        .allocate_pool = efi_allocate_pool_ext,
        .free_pool = efi_free_pool_ext,
        .create_event = efi_create_event_ext,
-       .set_timer = efi_set_timer,
+       .set_timer = efi_set_timer_ext,
        .wait_for_event = efi_wait_for_event,
        .signal_event = efi_signal_event_ext,
        .close_event = efi_close_event,