From a17e62cc533b8eb59616fc21001be90685770a06 Mon Sep 17 00:00:00 2001
From: Rob Clark <robdclark@gmail.com>
Date: Mon, 24 Jul 2017 10:39:01 -0400
Subject: [PATCH] efi_loader: expose protocols via GUID
shim.efi (or rather gnu-efi's LibLocateProtocol() which shim.efi uses)
resolves protocols via efi_locate_handle() so the console protocols
need to be added to the efi object list.
Signed-off-by: Rob Clark <robdclark@gmail.com>
[agraf: whitespace fixes]
Signed-off-by: Alexander Graf <agraf@suse.de>
---
include/efi_api.h | 9 +++++++++
lib/efi_loader/efi_console.c | 14 ++++++++++++++
2 files changed, 23 insertions(+)
diff --git a/include/efi_api.h b/include/efi_api.h
index 8f881d2903..ec1b321e8e 100644
--- a/include/efi_api.h
+++ b/include/efi_api.h
@@ -349,6 +349,11 @@ struct simple_text_output_mode {
bool cursor_visible;
};
+
+#define EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID \
+ EFI_GUID(0x387477c2, 0x69c7, 0x11d2, \
+ 0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
+
struct efi_simple_text_output_protocol {
void *reset;
efi_status_t (EFIAPI *output_string)(
@@ -383,6 +388,10 @@ struct efi_input_key {
s16 unicode_char;
};
+#define EFI_SIMPLE_TEXT_INPUT_PROTOCOL_GUID \
+ EFI_GUID(0x387477c1, 0x69c7, 0x11d2, \
+ 0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
+
struct efi_simple_input_interface {
efi_status_t(EFIAPI *reset)(struct efi_simple_input_interface *this,
bool ExtendedVerification);
diff --git a/lib/efi_loader/efi_console.c b/lib/efi_loader/efi_console.c
index 95e632394f..5ebce4b544 100644
--- a/lib/efi_loader/efi_console.c
+++ b/lib/efi_loader/efi_console.c
@@ -442,10 +442,24 @@ static void EFIAPI efi_console_timer_notify(struct efi_event *event,
EFI_EXIT(EFI_SUCCESS);
}
+
+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;
+
+ /* 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);
+
r = efi_create_event(EVT_NOTIFY_WAIT, TPL_CALLBACK,
efi_key_notify, NULL, &efi_con_in.wait_for_key);
if (r != EFI_SUCCESS) {
--
2.39.5