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Diffstat (limited to 'lib/efi_loader/efi_console.c')
-rw-r--r--lib/efi_loader/efi_console.c154
1 files changed, 106 insertions, 48 deletions
diff --git a/lib/efi_loader/efi_console.c b/lib/efi_loader/efi_console.c
index 3fc82b8726..01732aafea 100644
--- a/lib/efi_loader/efi_console.c
+++ b/lib/efi_loader/efi_console.c
@@ -8,7 +8,10 @@
#include <common.h>
#include <charset.h>
+#include <dm/device.h>
#include <efi_loader.h>
+#include <stdio_dev.h>
+#include <video_console.h>
static bool console_size_queried;
@@ -137,34 +140,46 @@ static efi_status_t EFIAPI efi_cout_reset(
return EFI_EXIT(EFI_UNSUPPORTED);
}
-static void print_unicode_in_utf8(u16 c)
-{
- char utf8[MAX_UTF8_PER_UTF16] = { 0 };
- utf16_to_utf8((u8 *)utf8, &c, 1);
- 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)
{
- struct cout_mode *mode;
- u16 ch;
+ struct simple_text_output_mode *con = &efi_con_mode;
+ struct cout_mode *mode = &efi_cout_modes[con->mode];
- mode = &efi_cout_modes[efi_con_mode.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 > mode->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 > mode->rows)
- efi_con_mode.cursor_row = mode->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);
@@ -172,7 +187,7 @@ static efi_status_t EFIAPI efi_cout_output_string(
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);
@@ -186,6 +201,34 @@ static bool cout_mode_matches(struct cout_mode *mode, int rows, int cols)
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,
@@ -194,34 +237,24 @@ static efi_status_t EFIAPI efi_cout_query_mode(
EFI_ENTRY("%p, %ld, %p, %p", this, mode_number, columns, rows);
if (!console_size_queried) {
- /* Ask the terminal about its size */
- int n[3];
- int cols;
- int rows;
- 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;
}
- cols = n[2];
- rows = n[1];
-
/* Test if we can have Mode 1 */
if (cols >= 80 && rows >= 50) {
efi_cout_modes[1].present = 1;
@@ -274,14 +307,37 @@ static efi_status_t EFIAPI efi_cout_set_mode(
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(
@@ -426,8 +482,10 @@ static void EFIAPI efi_console_timer_notify(struct efi_event *event,
void *context)
{
EFI_ENTRY("%p, %p", event, context);
- if (tstc())
+ if (tstc()) {
+ efi_con_in.wait_for_key->is_signaled = true;
efi_signal_event(efi_con_in.wait_for_key);
+ }
EFI_EXIT(EFI_SUCCESS);
}