*/
#include <common.h>
+#include <charset.h>
+#include <dm/device.h>
#include <efi_loader.h>
+#include <stdio_dev.h>
+#include <video_console.h>
-/* If we can't determine the console size, default to 80x24 */
-static int console_columns = 80;
-static int console_rows = 24;
static bool console_size_queried;
+#define EFI_COUT_MODE_2 2
+#define EFI_MAX_COUT_MODE 3
+
+struct cout_mode {
+ unsigned long columns;
+ unsigned long rows;
+ int present;
+};
+
+static struct cout_mode efi_cout_modes[] = {
+ /* EFI Mode 0 is 80x25 and always present */
+ {
+ .columns = 80,
+ .rows = 25,
+ .present = 1,
+ },
+ /* EFI Mode 1 is always 80x50 */
+ {
+ .columns = 80,
+ .rows = 50,
+ .present = 0,
+ },
+ /* Value are unknown until we query the console */
+ {
+ .columns = 0,
+ .rows = 0,
+ .present = 0,
+ },
+};
+
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"
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,
};
+/* Default to mode 0 */
static struct simple_text_output_mode efi_con_mode = {
- .max_mode = 0,
+ .max_mode = 1,
.mode = 0,
.attribute = 0,
.cursor_column = 0,
return EFI_EXIT(EFI_UNSUPPORTED);
}
-static void print_unicode_in_utf8(u16 c)
-{
- char utf8[4] = { 0 };
- char *b = utf8;
-
- if (c < 0x80) {
- *(b++) = c;
- } else if (c < 0x800) {
- *(b++) = 192 + c / 64;
- *(b++) = 128 + c % 64;
- } else {
- *(b++) = 224 + c / 4096;
- *(b++) = 128 + c / 64 % 64;
- *(b++) = 128 + c % 64;
- }
-
- puts(utf8);
-}
-
static efi_status_t EFIAPI efi_cout_output_string(
struct efi_simple_text_output_protocol *this,
- const unsigned short *string)
+ const efi_string_t string)
{
- u16 ch;
+ struct simple_text_output_mode *con = &efi_con_mode;
+ struct cout_mode *mode = &efi_cout_modes[con->mode];
EFI_ENTRY("%p, %p", this, string);
- for (;(ch = *string); string++) {
- print_unicode_in_utf8(ch);
- efi_con_mode.cursor_column++;
- if (ch == '\n') {
- efi_con_mode.cursor_column = 1;
- efi_con_mode.cursor_row++;
- } else if (efi_con_mode.cursor_column > console_columns) {
- efi_con_mode.cursor_column = 1;
- efi_con_mode.cursor_row++;
+
+ unsigned int n16 = utf16_strlen(string);
+ char buf[MAX_UTF8_PER_UTF16 * n16 + 1];
+ char *p;
+
+ *utf16_to_utf8((u8 *)buf, string, n16) = '\0';
+
+ fputs(stdout, buf);
+
+ for (p = buf; *p; p++) {
+ switch (*p) {
+ case '\r': /* carriage-return */
+ con->cursor_column = 0;
+ break;
+ case '\n': /* newline */
+ con->cursor_column = 0;
+ con->cursor_row++;
+ break;
+ case '\t': /* tab, assume 8 char align */
+ break;
+ case '\b': /* backspace */
+ con->cursor_column = max(0, con->cursor_column - 1);
+ break;
+ default:
+ con->cursor_column++;
+ break;
}
- if (efi_con_mode.cursor_row > console_rows) {
- efi_con_mode.cursor_row = console_rows;
+ if (con->cursor_column >= mode->columns) {
+ con->cursor_column = 0;
+ con->cursor_row++;
}
+ con->cursor_row = min(con->cursor_row, (s32)mode->rows - 1);
}
return EFI_EXIT(EFI_SUCCESS);
static efi_status_t EFIAPI efi_cout_test_string(
struct efi_simple_text_output_protocol *this,
- const unsigned short *string)
+ const efi_string_t string)
{
EFI_ENTRY("%p, %p", this, string);
return EFI_EXIT(EFI_SUCCESS);
}
+static bool cout_mode_matches(struct cout_mode *mode, int rows, int cols)
+{
+ if (!mode->present)
+ return false;
+
+ return (mode->rows == rows) && (mode->columns == cols);
+}
+
+static int query_console_serial(int *rows, int *cols)
+{
+ /* Ask the terminal about its size */
+ int n[3];
+ u64 timeout;
+
+ /* Empty input buffer */
+ while (tstc())
+ getc();
+
+ printf(ESC"[18t");
+
+ /* Check if we have a terminal that understands */
+ timeout = timer_get_us() + 1000000;
+ while (!tstc())
+ if (timer_get_us() > timeout)
+ return -1;
+
+ /* Read {depth,rows,cols} */
+ if (term_read_reply(n, 3, 't'))
+ return -1;
+
+ *cols = n[2];
+ *rows = n[1];
+
+ return 0;
+}
+
static efi_status_t EFIAPI efi_cout_query_mode(
struct efi_simple_text_output_protocol *this,
unsigned long mode_number, unsigned long *columns,
EFI_ENTRY("%p, %ld, %p, %p", this, mode_number, columns, rows);
if (!console_size_queried) {
- /* Ask the terminal about its size */
- int n[3];
- u64 timeout;
+ const char *stdout_name = env_get("stdout");
+ int rows, cols;
console_size_queried = true;
- /* Empty input buffer */
- while (tstc())
- getc();
-
- printf(ESC"[18t");
-
- /* Check if we have a terminal that understands */
- timeout = timer_get_us() + 1000000;
- while (!tstc())
- if (timer_get_us() > timeout)
- goto out;
-
- /* Read {depth,rows,cols} */
- if (term_read_reply(n, 3, 't')) {
+ if (stdout_name && !strcmp(stdout_name, "vidconsole") &&
+ IS_ENABLED(CONFIG_DM_VIDEO)) {
+ struct stdio_dev *stdout_dev =
+ stdio_get_by_name("vidconsole");
+ struct udevice *dev = stdout_dev->priv;
+ struct vidconsole_priv *priv =
+ dev_get_uclass_priv(dev);
+ rows = priv->rows;
+ cols = priv->cols;
+ } else if (query_console_serial(&rows, &cols)) {
goto out;
}
- console_columns = n[2];
- console_rows = n[1];
+ /* Test if we can have Mode 1 */
+ if (cols >= 80 && rows >= 50) {
+ efi_cout_modes[1].present = 1;
+ efi_con_mode.max_mode = 2;
+ }
+
+ /*
+ * Install our mode as mode 2 if it is different
+ * than mode 0 or 1 and set it as the currently selected mode
+ */
+ if (!cout_mode_matches(&efi_cout_modes[0], rows, cols) &&
+ !cout_mode_matches(&efi_cout_modes[1], rows, cols)) {
+ efi_cout_modes[EFI_COUT_MODE_2].columns = cols;
+ efi_cout_modes[EFI_COUT_MODE_2].rows = rows;
+ efi_cout_modes[EFI_COUT_MODE_2].present = 1;
+ efi_con_mode.max_mode = EFI_MAX_COUT_MODE;
+ efi_con_mode.mode = EFI_COUT_MODE_2;
+ }
}
+ if (mode_number >= efi_con_mode.max_mode)
+ return EFI_EXIT(EFI_UNSUPPORTED);
+
+ if (efi_cout_modes[mode_number].present != 1)
+ return EFI_EXIT(EFI_UNSUPPORTED);
+
out:
if (columns)
- *columns = console_columns;
+ *columns = efi_cout_modes[mode_number].columns;
if (rows)
- *rows = console_rows;
+ *rows = efi_cout_modes[mode_number].rows;
return EFI_EXIT(EFI_SUCCESS);
}
{
EFI_ENTRY("%p, %ld", this, mode_number);
- /* We only support text output for now */
- if (mode_number == EFI_CONSOLE_MODE_TEXT)
- return EFI_EXIT(EFI_SUCCESS);
- return EFI_EXIT(EFI_UNSUPPORTED);
+ if (mode_number > efi_con_mode.max_mode)
+ return EFI_EXIT(EFI_UNSUPPORTED);
+
+ efi_con_mode.mode = mode_number;
+ efi_con_mode.cursor_column = 0;
+ efi_con_mode.cursor_row = 0;
+
+ return EFI_EXIT(EFI_SUCCESS);
}
+static const struct {
+ unsigned int fg;
+ unsigned int bg;
+} color[] = {
+ { 30, 40 }, /* 0: black */
+ { 34, 44 }, /* 1: blue */
+ { 32, 42 }, /* 2: green */
+ { 36, 46 }, /* 3: cyan */
+ { 31, 41 }, /* 4: red */
+ { 35, 45 }, /* 5: magenta */
+ { 33, 43 }, /* 6: brown, map to yellow as edk2 does*/
+ { 37, 47 }, /* 7: light grey, map to white */
+};
+
+/* See EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.SetAttribute(). */
static efi_status_t EFIAPI efi_cout_set_attribute(
struct efi_simple_text_output_protocol *this,
unsigned long attribute)
{
+ unsigned int bold = EFI_ATTR_BOLD(attribute);
+ unsigned int fg = EFI_ATTR_FG(attribute);
+ unsigned int bg = EFI_ATTR_BG(attribute);
+
EFI_ENTRY("%p, %lx", this, attribute);
- /* Just ignore attributes (colors) for now */
- return EFI_EXIT(EFI_UNSUPPORTED);
+ if (attribute)
+ printf(ESC"[%u;%u;%um", bold, color[fg].fg, color[bg].bg);
+ else
+ printf(ESC"[0;37;40m");
+
+ return EFI_EXIT(EFI_SUCCESS);
}
static efi_status_t EFIAPI efi_cout_clear_screen(
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,
return EFI_EXIT(EFI_SUCCESS);
}
-const struct efi_simple_input_interface efi_con_in = {
+struct efi_simple_input_interface efi_con_in = {
.reset = efi_cin_reset,
.read_key_stroke = efi_cin_read_key_stroke,
.wait_for_key = NULL,
};
+
+static struct efi_event *console_timer_event;
+
+static void EFIAPI efi_key_notify(struct efi_event *event, void *context)
+{
+}
+
+static void EFIAPI efi_console_timer_notify(struct efi_event *event,
+ void *context)
+{
+ EFI_ENTRY("%p, %p", event, context);
+ if (tstc()) {
+ efi_con_in.wait_for_key->is_signaled = true;
+ efi_signal_event(efi_con_in.wait_for_key);
+ }
+ EFI_EXIT(EFI_SUCCESS);
+}
+
+
+/* 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;
+
+ /* Create handles */
+ r = efi_create_handle((efi_handle_t *)&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((efi_handle_t *)&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((efi_handle_t *)&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) {
+ printf("ERROR: Failed to register WaitForKey event\n");
+ return r;
+ }
+ r = efi_create_event(EVT_TIMER | EVT_NOTIFY_SIGNAL, TPL_CALLBACK,
+ efi_console_timer_notify, NULL,
+ &console_timer_event);
+ if (r != EFI_SUCCESS) {
+ printf("ERROR: Failed to register console event\n");
+ return r;
+ }
+ /* 5000 ns cycle is sufficient for 2 MBaud */
+ r = efi_set_timer(console_timer_event, EFI_TIMER_PERIODIC, 50);
+ 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;
+}
projects / u-boot / blobdiff