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Diffstat (limited to 'lib/efi_loader/efi_console.c')
-rw-r--r--lib/efi_loader/efi_console.c27
1 files changed, 18 insertions, 9 deletions
diff --git a/lib/efi_loader/efi_console.c b/lib/efi_loader/efi_console.c
index 9d9f786a6db..953f6831466 100644
--- a/lib/efi_loader/efi_console.c
+++ b/lib/efi_loader/efi_console.c
@@ -9,6 +9,7 @@
#include <ansi.h>
#include <charset.h>
+#include <efi_device_path.h>
#include <malloc.h>
#include <time.h>
#include <dm/device.h>
@@ -30,6 +31,17 @@ struct cout_mode {
__maybe_unused static struct efi_object uart_obj;
+/*
+ * suppress emission of ANSI escape-characters for use by unit tests. Leave it
+ * as 0 for the default behaviour
+ */
+static bool no_ansi;
+
+void efi_console_set_ansi(bool allow_ansi)
+{
+ no_ansi = !allow_ansi;
+}
+
static struct cout_mode efi_cout_modes[] = {
/* EFI Mode 0 is 80x25 and always present */
{
@@ -348,13 +360,6 @@ static int __maybe_unused query_vidconsole(int *rows, int *cols)
return 0;
}
-/**
- * efi_setup_console_size() - update the mode table.
- *
- * By default the only mode available is 80x25. If the console has at least 50
- * lines, enable mode 80x50. If we can query the console size and it is neither
- * 80x25 nor 80x50, set it as an additional mode.
- */
void efi_setup_console_size(void)
{
int rows = 25, cols = 80;
@@ -362,8 +367,12 @@ void efi_setup_console_size(void)
if (IS_ENABLED(CONFIG_VIDEO))
ret = query_vidconsole(&rows, &cols);
- if (ret)
- ret = query_console_serial(&rows, &cols);
+ if (ret) {
+ if (no_ansi)
+ ret = 0;
+ else
+ ret = query_console_serial(&rows, &cols);
+ }
if (ret)
return;