.cursor_visible = 1,
};
+static int term_get_char(s32 *c)
+{
+ u64 timeout;
+
+ /* Wait up to 100 ms for a character */
+ timeout = timer_get_us() + 100000;
+
+ while (!tstc())
+ if (timer_get_us() > timeout)
+ return 1;
+
+ *c = getc();
+ return 0;
+}
+
/*
* Receive and parse a reply from the terminal.
*
*/
static int term_read_reply(int *n, int num, char end_char)
{
- char c;
+ s32 c;
int i = 0;
- c = getc();
- if (c != cESC)
+ if (term_get_char(&c) || c != cESC)
return -1;
- c = getc();
- if (c != '[')
+
+ if (term_get_char(&c) || c != '[')
return -1;
n[0] = 0;
while (1) {
- c = getc();
- if (c == ';') {
- i++;
- if (i >= num)
+ if (!term_get_char(&c)) {
+ if (c == ';') {
+ i++;
+ if (i >= num)
+ return -1;
+ n[i] = 0;
+ continue;
+ } else if (c == end_char) {
+ break;
+ } else if (c > '9' || c < '0') {
return -1;
- n[i] = 0;
- continue;
- } else if (c == end_char) {
- break;
- } else if (c > '9' || c < '0') {
+ }
+
+ /* Read one more decimal position */
+ n[i] *= 10;
+ n[i] += c - '0';
+ } else {
return -1;
}
-
- /* Read one more decimal position */
- n[i] *= 10;
- n[i] += c - '0';
}
if (i != num - 1)
return -1;
EFI_ENTRY("%p, %p", this, string);
+ if (!this || !string) {
+ ret = EFI_INVALID_PARAMETER;
+ goto out;
+ }
+
buf = malloc(utf16_utf8_strlen(string) + 1);
if (!buf) {
ret = EFI_OUT_OF_RESOURCES;
return (mode->rows == rows) && (mode->columns == cols);
}
+/**
+ * query_console_serial() - query console size
+ *
+ * @rows pointer to return number of rows
+ * @columns pointer to return number of columns
+ * Returns 0 on success
+ */
static int query_console_serial(int *rows, int *cols)
{
- /* Ask the terminal about its size */
- int n[3];
- u64 timeout;
+ int ret = 0;
+ int n[2];
/* 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];
+ /*
+ * Not all terminals understand CSI [18t for querying the console size.
+ * We should adhere to escape sequences documented in the console_codes
+ * man page and the ECMA-48 standard.
+ *
+ * So here we follow a different approach. We position the cursor to the
+ * bottom right and query its position. Before leaving the function we
+ * restore the original cursor position.
+ */
+ printf(ESC "7" /* Save cursor position */
+ ESC "[r" /* Set scrolling region to full window */
+ ESC "[999;999H" /* Move to bottom right corner */
+ ESC "[6n"); /* Query cursor position */
+
+ /* Read {rows,cols} */
+ if (term_read_reply(n, 2, 'R')) {
+ ret = 1;
+ goto out;
+ }
- return 0;
+ *cols = n[1];
+ *rows = n[0];
+out:
+ printf(ESC "8"); /* Restore cursor position */
+ return ret;
}
/*
struct efi_simple_text_output_protocol *this,
unsigned long column, unsigned long row)
{
+ efi_status_t ret = EFI_SUCCESS;
+ struct simple_text_output_mode *con = &efi_con_mode;
+ struct cout_mode *mode = &efi_cout_modes[con->mode];
+
EFI_ENTRY("%p, %ld, %ld", this, column, row);
- printf(ESC"[%d;%df", (int)row, (int)column);
+ /* Check parameters */
+ if (!this) {
+ ret = EFI_INVALID_PARAMETER;
+ goto out;
+ }
+ if (row >= mode->rows || column >= mode->columns) {
+ ret = EFI_UNSUPPORTED;
+ goto out;
+ }
+
+ /*
+ * Set cursor position by sending CSI H.
+ * EFI origin is [0, 0], terminal origin is [1, 1].
+ */
+ printf(ESC "[%d;%dH", (int)row + 1, (int)column + 1);
efi_con_mode.cursor_column = column;
efi_con_mode.cursor_row = row;
-
- return EFI_EXIT(EFI_SUCCESS);
+out:
+ return EFI_EXIT(ret);
}
static efi_status_t EFIAPI efi_cout_enable_cursor(
EFI_ENTRY("%p, %d", this, enable);
printf(ESC"[?25%c", enable ? 'h' : 'l');
+ efi_con_mode.cursor_visible = !!enable;
return EFI_EXIT(EFI_SUCCESS);
}
*
* This gets called when we have already parsed CSI.
*
- * @modifiers: bitmask (shift, alt, ctrl)
+ * @modifiers: bit mask (shift, alt, ctrl)
* @return: the unmodified code
*/
static int analyze_modifiers(struct efi_key_state *key_state)
ret = EFI_NOT_READY;
goto out;
}
+ /*
+ * CTRL+A - CTRL+Z have to be signaled as a - z.
+ * SHIFT+CTRL+A - SHIFT+CTRL+Z have to be signaled as A - Z.
+ */
+ switch (next_key.key.unicode_char) {
+ case 0x01 ... 0x07:
+ case 0x0b ... 0x0c:
+ case 0x0e ... 0x1a:
+ if (!(next_key.key_state.key_toggle_state &
+ EFI_CAPS_LOCK_ACTIVE) ^
+ !(next_key.key_state.key_shift_state &
+ (EFI_LEFT_SHIFT_PRESSED | EFI_RIGHT_SHIFT_PRESSED)))
+ next_key.key.unicode_char += 0x40;
+ else
+ next_key.key.unicode_char += 0x60;
+ }
*key_data = next_key;
key_available = false;
efi_con_in.wait_for_key->is_signaled = false;
+
out:
return EFI_EXIT(ret);
}
* efi_cin_set_state() - set toggle key state
*
* @this: instance of the EFI_SIMPLE_TEXT_INPUT_PROTOCOL
- * @key_toggle_state: key toggle state
+ * @key_toggle_state: pointer to key toggle state
* Return: status code
*
* This function implements the SetState service of the
*/
static efi_status_t EFIAPI efi_cin_set_state(
struct efi_simple_text_input_ex_protocol *this,
- u8 key_toggle_state)
+ u8 *key_toggle_state)
{
- EFI_ENTRY("%p, %u", this, key_toggle_state);
+ EFI_ENTRY("%p, %p", this, key_toggle_state);
/*
* U-Boot supports multiple console input sources like serial and
* net console for which a key toggle state cannot be set at all.
* efi_console_register() - install the console protocols
*
* This function is called from do_bootefi_exec().
+ *
+ * Return: status code
*/
-int efi_console_register(void)
+efi_status_t efi_console_register(void)
{
efi_status_t r;
- struct efi_object *efi_console_output_obj;
- struct efi_object *efi_console_input_obj;
+ efi_handle_t console_output_handle;
+ efi_handle_t console_input_handle;
/* Set up mode information */
query_console_size();
/* Create handles */
- r = efi_create_handle((efi_handle_t *)&efi_console_output_obj);
+ r = efi_create_handle(&console_output_handle);
if (r != EFI_SUCCESS)
goto out_of_memory;
- r = efi_add_protocol(efi_console_output_obj->handle,
+ r = efi_add_protocol(console_output_handle,
&efi_guid_text_output_protocol, &efi_con_out);
if (r != EFI_SUCCESS)
goto out_of_memory;
- systab.con_out_handle = efi_console_output_obj->handle;
- systab.stderr_handle = efi_console_output_obj->handle;
+ systab.con_out_handle = console_output_handle;
+ systab.stderr_handle = console_output_handle;
- r = efi_create_handle((efi_handle_t *)&efi_console_input_obj);
+ r = efi_create_handle(&console_input_handle);
if (r != EFI_SUCCESS)
goto out_of_memory;
- r = efi_add_protocol(efi_console_input_obj->handle,
+ r = efi_add_protocol(console_input_handle,
&efi_guid_text_input_protocol, &efi_con_in);
if (r != EFI_SUCCESS)
goto out_of_memory;
- systab.con_in_handle = efi_console_input_obj->handle;
- r = efi_add_protocol(efi_console_input_obj->handle,
+ systab.con_in_handle = console_input_handle;
+ r = efi_add_protocol(console_input_handle,
&efi_guid_text_input_ex_protocol, &efi_con_in_ex);
if (r != EFI_SUCCESS)
goto out_of_memory;
projects / platform / kernel / u-boot.git / blobdiff