#include <common.h>
#include <charset.h>
+#include <malloc.h>
+#include <time.h>
#include <dm/device.h>
#include <efi_loader.h>
#include <env.h>
#include <stdio_dev.h>
#include <video_console.h>
+#include <linux/delay.h>
#define EFI_COUT_MODE_2 2
#define EFI_MAX_COUT_MODE 3
if (timer_get_us() > timeout)
return 1;
- *c = getc();
+ *c = getchar();
return 0;
}
-/*
+/**
* Receive and parse a reply from the terminal.
*
* @n: array of return values
* @num: number of return values expected
* @end_char: character indicating end of terminal message
- * @return: non-zero indicates error
+ * Return: non-zero indicates error
*/
static int term_read_reply(int *n, int num, char end_char)
{
return 0;
}
+/**
+ * efi_cout_output_string() - write Unicode string to console
+ *
+ * This function implements the OutputString service of the simple text output
+ * protocol. See the Unified Extensible Firmware Interface (UEFI) specification
+ * for details.
+ *
+ * @this: simple text output protocol
+ * @string: u16 string
+ * Return: status code
+ */
static efi_status_t EFIAPI efi_cout_output_string(
struct efi_simple_text_output_protocol *this,
const efi_string_t string)
return EFI_EXIT(ret);
}
+/**
+ * efi_cout_test_string() - test writing Unicode string to console
+ *
+ * This function implements the TestString service of the simple text output
+ * protocol. See the Unified Extensible Firmware Interface (UEFI) specification
+ * for details.
+ *
+ * As in OutputString we simply convert UTF-16 to UTF-8 there are no unsupported
+ * code points and we can always return EFI_SUCCESS.
+ *
+ * @this: simple text output protocol
+ * @string: u16 string
+ * Return: status code
+ */
static efi_status_t EFIAPI efi_cout_test_string(
struct efi_simple_text_output_protocol *this,
const efi_string_t string)
return EFI_EXIT(EFI_SUCCESS);
}
+/**
+ * cout_mode_matches() - check if mode has given terminal size
+ *
+ * @mode: text mode
+ * @rows: number of rows
+ * @cols: number of columns
+ * Return: true if number of rows and columns matches the mode and
+ * the mode is present
+ */
static bool cout_mode_matches(struct cout_mode *mode, int rows, int cols)
{
if (!mode->present)
/**
* query_console_serial() - query console size
*
- * @rows pointer to return number of rows
- * @columns pointer to return number of columns
- * Returns 0 on success
+ * When using a serial console or the net console we can only devise the
+ * terminal size by querying the terminal using ECMA-48 control sequences.
+ *
+ * @rows: pointer to return number of rows
+ * @cols: pointer to return number of columns
+ * Returns: 0 on success
*/
static int query_console_serial(int *rows, int *cols)
{
/* Empty input buffer */
while (tstc())
- getc();
+ getchar();
/*
* Not all terminals understand CSI [18t for querying the console size.
return ret;
}
-/*
- * Update the mode table.
+/**
+ * query_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
}
}
+
+/**
+ * efi_cout_query_mode() - get terminal size for a text mode
+ *
+ * This function implements the QueryMode service of the simple text output
+ * protocol. See the Unified Extensible Firmware Interface (UEFI) specification
+ * for details.
+ *
+ * @this: simple text output protocol
+ * @mode_number: mode number to retrieve information on
+ * @columns: number of columns
+ * @rows: number of rows
+ * Return: status code
+ */
static efi_status_t EFIAPI efi_cout_query_mode(
struct efi_simple_text_output_protocol *this,
unsigned long mode_number, unsigned long *columns,
{ 37, 47 }, /* 7: light gray, map to white */
};
-/* See EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.SetAttribute(). */
+/**
+ * efi_cout_set_attribute() - set fore- and background color
+ *
+ * This function implements the SetAttribute service of the simple text output
+ * protocol. See the Unified Extensible Firmware Interface (UEFI) specification
+ * for details.
+ *
+ * @this: simple text output protocol
+ * @attribute: foreground color - bits 0-3, background color - bits 4-6
+ * Return: status code
+ */
static efi_status_t EFIAPI efi_cout_set_attribute(
struct efi_simple_text_output_protocol *this,
unsigned long attribute)
return EFI_EXIT(EFI_SUCCESS);
}
+/**
+ * efi_cout_clear_screen() - clear screen
+ *
+ * This function implements the ClearScreen service of the simple text output
+ * protocol. See the Unified Extensible Firmware Interface (UEFI) specification
+ * for details.
+ *
+ * @this: pointer to the protocol instance
+ * Return: status code
+ */
static efi_status_t EFIAPI efi_cout_clear_screen(
struct efi_simple_text_output_protocol *this)
{
EFI_ENTRY("%p", this);
- printf(ESC"[2J");
+ /*
+ * The Linux console wants both a clear and a home command. The video
+ * uclass does not support <ESC>[H without coordinates, yet.
+ */
+ printf(ESC "[2J" ESC "[1;1H");
efi_con_mode.cursor_column = 0;
efi_con_mode.cursor_row = 0;
return EFI_EXIT(EFI_SUCCESS);
}
+/**
+ * efi_cout_clear_set_mode() - set text model
+ *
+ * This function implements the SetMode service of the simple text output
+ * protocol. See the Unified Extensible Firmware Interface (UEFI) specification
+ * for details.
+ *
+ * @this: pointer to the protocol instance
+ * @mode_number: number of the text mode to set
+ * Return: status code
+ */
static efi_status_t EFIAPI efi_cout_set_mode(
struct efi_simple_text_output_protocol *this,
unsigned long mode_number)
return EFI_EXIT(EFI_SUCCESS);
}
+/**
+ * efi_cout_reset() - reset the terminal
+ *
+ * This function implements the Reset service of the simple text output
+ * protocol. See the Unified Extensible Firmware Interface (UEFI) specification
+ * for details.
+ *
+ * @this: pointer to the protocol instance
+ * @extended_verification: if set an extended verification may be executed
+ * Return: status code
+ */
static efi_status_t EFIAPI efi_cout_reset(
struct efi_simple_text_output_protocol *this,
char extended_verification)
return EFI_EXIT(EFI_SUCCESS);
}
+/**
+ * efi_cout_set_cursor_position() - reset the terminal
+ *
+ * This function implements the SetCursorPosition service of the simple text
+ * output protocol. See the Unified Extensible Firmware Interface (UEFI)
+ * specification for details.
+ *
+ * @this: pointer to the protocol instance
+ * @column: column to move to
+ * @row: row to move to
+ * Return: status code
+ */
static efi_status_t EFIAPI efi_cout_set_cursor_position(
struct efi_simple_text_output_protocol *this,
unsigned long column, unsigned long row)
return EFI_EXIT(ret);
}
+/**
+ * efi_cout_enable_cursor() - enable the cursor
+ *
+ * This function implements the EnableCursor service of the simple text output
+ * protocol. See the Unified Extensible Firmware Interface (UEFI) specification
+ * for details.
+ *
+ * @this: pointer to the protocol instance
+ * @enable: if true enable, if false disable the cursor
+ * Return: status code
+ */
static efi_status_t EFIAPI efi_cout_enable_cursor(
struct efi_simple_text_output_protocol *this,
bool enable)
* struct efi_cin_notify_function - registered console input notify function
*
* @link: link to list
- * @data: key to notify
+ * @key: key to notify
* @function: function to call
*/
struct efi_cin_notify_function {
* set_shift_mask() - set shift mask
*
* @mod: Xterm shift mask
+ * @key_state: receives the state of the shift, alt, control, and logo keys
*/
void set_shift_mask(int mod, struct efi_key_state *key_state)
{
*
* This gets called when we have already parsed CSI.
*
- * @modifiers: bit mask (shift, alt, ctrl)
- * @return: the unmodified code
+ * @key_state: receives the state of the shift, alt, control, and logo keys
+ * Return: the unmodified code
*/
static int analyze_modifiers(struct efi_key_state *key_state)
{
int c, mod = 0, ret = 0;
- c = getc();
+ c = getchar();
if (c != ';') {
ret = c;
if (c == '~')
goto out;
- c = getc();
+ c = getchar();
}
for (;;) {
switch (c) {
mod += c - '0';
/* fall through */
case ';':
- c = getc();
+ c = getchar();
break;
default:
goto out;
switch (ch) {
case 0x1b:
/*
+ * If a second key is received within 10 ms, assume that we are
+ * dealing with an escape sequence. Otherwise consider this the
+ * escape key being hit. 10 ms is long enough to work fine at
+ * 1200 baud and above.
+ */
+ udelay(10000);
+ if (!tstc()) {
+ pressed_key.scan_code = 23;
+ break;
+ }
+ /*
* Xterm Control Sequences
* https://www.xfree86.org/4.8.0/ctlseqs.html
*/
- ch = getc();
+ ch = getchar();
switch (ch) {
case cESC: /* ESC */
pressed_key.scan_code = 23;
break;
case 'O': /* F1 - F4, End */
- ch = getc();
+ ch = getchar();
/* consider modifiers */
if (ch == 'F') { /* End */
pressed_key.scan_code = 6;
break;
} else if (ch < 'P') {
set_shift_mask(ch - '0', &key->key_state);
- ch = getc();
+ ch = getchar();
}
pressed_key.scan_code = ch - 'P' + 11;
break;
case '[':
- ch = getc();
+ ch = getchar();
switch (ch) {
case 'A'...'D': /* up, down right, left */
pressed_key.scan_code = ch - 'A' + 1;
static void efi_cin_empty_buffer(void)
{
while (tstc())
- getc();
+ getchar();
key_available = false;
}
projects / platform / kernel / u-boot.git / blobdiff