},
};
-const efi_guid_t efi_guid_text_output_protocol =
- EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID;
+const efi_guid_t efi_guid_text_input_ex_protocol =
+ EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL_GUID;
const efi_guid_t efi_guid_text_input_protocol =
EFI_SIMPLE_TEXT_INPUT_PROTOCOL_GUID;
+const efi_guid_t efi_guid_text_output_protocol =
+ EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID;
#define cESC '\x1b'
#define ESC "\x1b"
.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;
{
struct simple_text_output_mode *con = &efi_con_mode;
struct cout_mode *mode = &efi_cout_modes[con->mode];
+ char *buf, *pos;
+ u16 *p;
+ efi_status_t ret = EFI_SUCCESS;
EFI_ENTRY("%p, %p", this, string);
- unsigned int n16 = utf16_strlen(string);
- char buf[MAX_UTF8_PER_UTF16 * n16 + 1];
- u16 *p;
-
- *utf16_to_utf8((u8 *)buf, string, n16) = '\0';
+ if (!this || !string) {
+ ret = EFI_INVALID_PARAMETER;
+ goto out;
+ }
+ buf = malloc(utf16_utf8_strlen(string) + 1);
+ if (!buf) {
+ ret = EFI_OUT_OF_RESOURCES;
+ goto out;
+ }
+ pos = buf;
+ utf16_utf8_strcpy(&pos, string);
fputs(stdout, buf);
+ free(buf);
/*
* Update the cursor position.
*
* The UEFI spec provides advance rules for U+0000, U+0008, U+000A,
* and U000D. All other characters, including control characters
- * U+0007 (bel) and U+0009 (tab), have to increase the column by one.
+ * U+0007 (BEL) and U+0009 (TAB), have to increase the column by one.
*/
for (p = string; *p; ++p) {
switch (*p) {
con->cursor_row = min(con->cursor_row, (s32)mode->rows - 1);
}
- return EFI_EXIT(EFI_SUCCESS);
+out:
+ return EFI_EXIT(ret);
}
static efi_status_t EFIAPI efi_cout_test_string(
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;
}
/*
return EFI_EXIT(EFI_SUCCESS);
}
-static efi_status_t EFIAPI efi_cout_set_mode(
- struct efi_simple_text_output_protocol *this,
- unsigned long mode_number)
-{
- EFI_ENTRY("%p, %ld", this, mode_number);
-
-
- 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;
{ 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 */
+ { 33, 43 }, /* 6: brown, map to yellow as EDK2 does*/
+ { 37, 47 }, /* 7: light gray, map to white */
};
/* See EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.SetAttribute(). */
EFI_ENTRY("%p, %lx", this, attribute);
+ efi_con_mode.attribute = attribute;
if (attribute)
printf(ESC"[%u;%u;%um", bold, color[fg].fg, color[bg].bg);
else
return EFI_EXIT(EFI_SUCCESS);
}
+static efi_status_t EFIAPI efi_cout_set_mode(
+ struct efi_simple_text_output_protocol *this,
+ unsigned long mode_number)
+{
+ EFI_ENTRY("%p, %ld", this, mode_number);
+
+ if (mode_number >= efi_con_mode.max_mode)
+ return EFI_EXIT(EFI_UNSUPPORTED);
+ efi_con_mode.mode = mode_number;
+ EFI_CALL(efi_cout_clear_screen(this));
+
+ return EFI_EXIT(EFI_SUCCESS);
+}
+
static efi_status_t EFIAPI efi_cout_reset(
struct efi_simple_text_output_protocol *this,
char extended_verification)
/* Clear screen */
EFI_CALL(efi_cout_clear_screen(this));
/* Set default colors */
+ efi_con_mode.attribute = 0x07;
printf(ESC "[0;37;40m");
return EFI_EXIT(EFI_SUCCESS);
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);
}
.mode = (void*)&efi_con_mode,
};
-static efi_status_t EFIAPI efi_cin_reset(
- struct efi_simple_input_interface *this,
- bool extended_verification)
-{
- EFI_ENTRY("%p, %d", this, extended_verification);
+/**
+ * struct efi_cin_notify_function - registered console input notify function
+ *
+ * @link: link to list
+ * @data: key to notify
+ * @function: function to call
+ */
+struct efi_cin_notify_function {
+ struct list_head link;
+ struct efi_key_data key;
+ efi_status_t (EFIAPI *function)
+ (struct efi_key_data *key_data);
+};
- /* Empty input buffer */
- while (tstc())
- getc();
+static bool key_available;
+static struct efi_key_data next_key;
+static LIST_HEAD(cin_notify_functions);
- return EFI_EXIT(EFI_SUCCESS);
+/**
+ * set_shift_mask() - set shift mask
+ *
+ * @mod: Xterm shift mask
+ */
+void set_shift_mask(int mod, struct efi_key_state *key_state)
+{
+ key_state->key_shift_state = EFI_SHIFT_STATE_VALID;
+ if (mod) {
+ --mod;
+ if (mod & 1)
+ key_state->key_shift_state |= EFI_LEFT_SHIFT_PRESSED;
+ if (mod & 2)
+ key_state->key_shift_state |= EFI_LEFT_ALT_PRESSED;
+ if (mod & 4)
+ key_state->key_shift_state |= EFI_LEFT_CONTROL_PRESSED;
+ if (mod & 8)
+ key_state->key_shift_state |= EFI_LEFT_LOGO_PRESSED;
+ } else {
+ key_state->key_shift_state |= EFI_LEFT_LOGO_PRESSED;
+ }
}
-/*
- * Analyze modifiers (shift, alt, ctrl) for function keys.
+/**
+ * analyze_modifiers() - analyze modifiers (shift, alt, ctrl) for function keys
+ *
* 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 char skip_modifiers(int *modifiers)
+static int analyze_modifiers(struct efi_key_state *key_state)
{
- char c, mod = 0, ret = 0;
+ int c, mod = 0, ret = 0;
c = getc();
}
}
out:
- if (mod)
- --mod;
- if (modifiers)
- *modifiers = mod;
+ set_shift_mask(mod, key_state);
if (!ret)
ret = c;
return ret;
}
-static efi_status_t EFIAPI efi_cin_read_key_stroke(
- struct efi_simple_input_interface *this,
- struct efi_input_key *key)
+/**
+ * efi_cin_read_key() - read a key from the console input
+ *
+ * @key: - key received
+ * Return: - status code
+ */
+static efi_status_t efi_cin_read_key(struct efi_key_data *key)
{
struct efi_input_key pressed_key = {
.scan_code = 0,
.unicode_char = 0,
};
- char ch;
+ s32 ch;
- EFI_ENTRY("%p, %p", this, key);
+ if (console_read_unicode(&ch))
+ return EFI_NOT_READY;
- /* We don't do interrupts, so check for timers cooperatively */
- efi_timer_check();
+ key->key_state.key_shift_state = EFI_SHIFT_STATE_INVALID;
+ key->key_state.key_toggle_state = EFI_TOGGLE_STATE_INVALID;
- if (!tstc()) {
- /* No key pressed */
- return EFI_EXIT(EFI_NOT_READY);
- }
+ /* We do not support multi-word codes */
+ if (ch >= 0x10000)
+ ch = '?';
- ch = getc();
- if (ch == cESC) {
+ switch (ch) {
+ case 0x1b:
/*
* Xterm Control Sequences
* https://www.xfree86.org/4.8.0/ctlseqs.html
break;
case 'O': /* F1 - F4 */
ch = getc();
- /* skip modifiers */
- if (ch <= '9')
+ /* consider modifiers */
+ if (ch < 'P') {
+ set_shift_mask(ch - '0', &key->key_state);
ch = getc();
+ }
pressed_key.scan_code = ch - 'P' + 11;
break;
- case 'a'...'z':
- ch = ch - 'a';
- break;
case '[':
ch = getc();
switch (ch) {
pressed_key.scan_code = 5;
break;
case '1':
- ch = skip_modifiers(NULL);
+ ch = analyze_modifiers(&key->key_state);
switch (ch) {
case '1'...'5': /* F1 - F5 */
pressed_key.scan_code = ch - '1' + 11;
}
break;
case '2':
- ch = skip_modifiers(NULL);
+ ch = analyze_modifiers(&key->key_state);
switch (ch) {
case '0'...'1': /* F9 - F10 */
pressed_key.scan_code = ch - '0' + 19;
break;
case '3': /* DEL */
pressed_key.scan_code = 8;
- skip_modifiers(NULL);
+ analyze_modifiers(&key->key_state);
break;
case '5': /* PG UP */
pressed_key.scan_code = 9;
- skip_modifiers(NULL);
+ analyze_modifiers(&key->key_state);
break;
case '6': /* PG DOWN */
pressed_key.scan_code = 10;
- skip_modifiers(NULL);
+ analyze_modifiers(&key->key_state);
break;
- }
+ } /* [ */
break;
+ default:
+ /* ALT key */
+ set_shift_mask(3, &key->key_state);
}
- } else if (ch == 0x7f) {
+ break;
+ case 0x7f:
/* Backspace */
ch = 0x08;
}
- if (!pressed_key.scan_code)
+ if (pressed_key.scan_code) {
+ key->key_state.key_shift_state |= EFI_SHIFT_STATE_VALID;
+ } else {
pressed_key.unicode_char = ch;
- *key = pressed_key;
- return EFI_EXIT(EFI_SUCCESS);
+ /*
+ * Assume left control key for control characters typically
+ * entered using the control key.
+ */
+ if (ch >= 0x01 && ch <= 0x1f) {
+ key->key_state.key_shift_state |=
+ EFI_SHIFT_STATE_VALID;
+ switch (ch) {
+ case 0x01 ... 0x07:
+ case 0x0b ... 0x0c:
+ case 0x0e ... 0x1f:
+ key->key_state.key_shift_state |=
+ EFI_LEFT_CONTROL_PRESSED;
+ }
+ }
+ }
+ key->key = pressed_key;
+
+ return EFI_SUCCESS;
}
-struct efi_simple_input_interface efi_con_in = {
+/**
+ * efi_cin_notify() - notify registered functions
+ */
+static void efi_cin_notify(void)
+{
+ struct efi_cin_notify_function *item;
+
+ list_for_each_entry(item, &cin_notify_functions, link) {
+ bool match = true;
+
+ /* We do not support toggle states */
+ if (item->key.key.unicode_char || item->key.key.scan_code) {
+ if (item->key.key.unicode_char !=
+ next_key.key.unicode_char ||
+ item->key.key.scan_code != next_key.key.scan_code)
+ match = false;
+ }
+ if (item->key.key_state.key_shift_state &&
+ item->key.key_state.key_shift_state !=
+ next_key.key_state.key_shift_state)
+ match = false;
+
+ if (match)
+ /* We don't bother about the return code */
+ EFI_CALL(item->function(&next_key));
+ }
+}
+
+/**
+ * efi_cin_check() - check if keyboard input is available
+ */
+static void efi_cin_check(void)
+{
+ efi_status_t ret;
+
+ if (key_available) {
+ efi_signal_event(efi_con_in.wait_for_key);
+ return;
+ }
+
+ if (tstc()) {
+ ret = efi_cin_read_key(&next_key);
+ if (ret == EFI_SUCCESS) {
+ key_available = true;
+
+ /* Notify registered functions */
+ efi_cin_notify();
+
+ /* Queue the wait for key event */
+ if (key_available)
+ efi_signal_event(efi_con_in.wait_for_key);
+ }
+ }
+}
+
+/**
+ * efi_cin_empty_buffer() - empty input buffer
+ */
+static void efi_cin_empty_buffer(void)
+{
+ while (tstc())
+ getc();
+ key_available = false;
+}
+
+/**
+ * efi_cin_reset_ex() - reset console input
+ *
+ * @this: - the extended simple text input protocol
+ * @extended_verification: - extended verification
+ *
+ * This function implements the reset service of the
+ * EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL.
+ *
+ * See the Unified Extensible Firmware Interface (UEFI) specification for
+ * details.
+ *
+ * Return: old value of the task priority level
+ */
+static efi_status_t EFIAPI efi_cin_reset_ex(
+ struct efi_simple_text_input_ex_protocol *this,
+ bool extended_verification)
+{
+ efi_status_t ret = EFI_SUCCESS;
+
+ EFI_ENTRY("%p, %d", this, extended_verification);
+
+ /* Check parameters */
+ if (!this) {
+ ret = EFI_INVALID_PARAMETER;
+ goto out;
+ }
+
+ efi_cin_empty_buffer();
+out:
+ return EFI_EXIT(ret);
+}
+
+/**
+ * efi_cin_read_key_stroke_ex() - read key stroke
+ *
+ * @this: instance of the EFI_SIMPLE_TEXT_INPUT_PROTOCOL
+ * @key_data: key read from console
+ * Return: status code
+ *
+ * This function implements the ReadKeyStrokeEx service of the
+ * EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL.
+ *
+ * See the Unified Extensible Firmware Interface (UEFI) specification for
+ * details.
+ */
+static efi_status_t EFIAPI efi_cin_read_key_stroke_ex(
+ struct efi_simple_text_input_ex_protocol *this,
+ struct efi_key_data *key_data)
+{
+ efi_status_t ret = EFI_SUCCESS;
+
+ EFI_ENTRY("%p, %p", this, key_data);
+
+ /* Check parameters */
+ if (!this || !key_data) {
+ ret = EFI_INVALID_PARAMETER;
+ goto out;
+ }
+
+ /* We don't do interrupts, so check for timers cooperatively */
+ efi_timer_check();
+
+ /* Enable console input after ExitBootServices */
+ efi_cin_check();
+
+ if (!key_available) {
+ 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: pointer to key toggle state
+ * Return: status code
+ *
+ * This function implements the SetState service of the
+ * EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL.
+ *
+ * See the Unified Extensible Firmware Interface (UEFI) specification for
+ * details.
+ */
+static efi_status_t EFIAPI efi_cin_set_state(
+ struct efi_simple_text_input_ex_protocol *this,
+ u8 *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.
+ *
+ * According to the UEFI specification it is allowable to not implement
+ * this service.
+ */
+ return EFI_EXIT(EFI_UNSUPPORTED);
+}
+
+/**
+ * efi_cin_register_key_notify() - register key notification function
+ *
+ * @this: instance of the EFI_SIMPLE_TEXT_INPUT_PROTOCOL
+ * @key_data: key to be notified
+ * @key_notify_function: function to be called if the key is pressed
+ * @notify_handle: handle for unregistering the notification
+ * Return: status code
+ *
+ * This function implements the SetState service of the
+ * EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL.
+ *
+ * See the Unified Extensible Firmware Interface (UEFI) specification for
+ * details.
+ */
+static efi_status_t EFIAPI efi_cin_register_key_notify(
+ struct efi_simple_text_input_ex_protocol *this,
+ struct efi_key_data *key_data,
+ efi_status_t (EFIAPI *key_notify_function)(
+ struct efi_key_data *key_data),
+ void **notify_handle)
+{
+ efi_status_t ret = EFI_SUCCESS;
+ struct efi_cin_notify_function *notify_function;
+
+ EFI_ENTRY("%p, %p, %p, %p",
+ this, key_data, key_notify_function, notify_handle);
+
+ /* Check parameters */
+ if (!this || !key_data || !key_notify_function || !notify_handle) {
+ ret = EFI_INVALID_PARAMETER;
+ goto out;
+ }
+
+ EFI_PRINT("u+%04x, sc %04x, sh %08x, tg %02x\n",
+ key_data->key.unicode_char,
+ key_data->key.scan_code,
+ key_data->key_state.key_shift_state,
+ key_data->key_state.key_toggle_state);
+
+ notify_function = calloc(1, sizeof(struct efi_cin_notify_function));
+ if (!notify_function) {
+ ret = EFI_OUT_OF_RESOURCES;
+ goto out;
+ }
+ notify_function->key = *key_data;
+ notify_function->function = key_notify_function;
+ list_add_tail(¬ify_function->link, &cin_notify_functions);
+ *notify_handle = notify_function;
+out:
+ return EFI_EXIT(ret);
+}
+
+/**
+ * efi_cin_unregister_key_notify() - unregister key notification function
+ *
+ * @this: instance of the EFI_SIMPLE_TEXT_INPUT_PROTOCOL
+ * @notification_handle: handle received when registering
+ * Return: status code
+ *
+ * This function implements the SetState service of the
+ * EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL.
+ *
+ * See the Unified Extensible Firmware Interface (UEFI) specification for
+ * details.
+ */
+static efi_status_t EFIAPI efi_cin_unregister_key_notify(
+ struct efi_simple_text_input_ex_protocol *this,
+ void *notification_handle)
+{
+ efi_status_t ret = EFI_INVALID_PARAMETER;
+ struct efi_cin_notify_function *item, *notify_function =
+ notification_handle;
+
+ EFI_ENTRY("%p, %p", this, notification_handle);
+
+ /* Check parameters */
+ if (!this || !notification_handle)
+ goto out;
+
+ list_for_each_entry(item, &cin_notify_functions, link) {
+ if (item == notify_function) {
+ ret = EFI_SUCCESS;
+ break;
+ }
+ }
+ if (ret != EFI_SUCCESS)
+ goto out;
+
+ /* Remove the notify function */
+ list_del(¬ify_function->link);
+ free(notify_function);
+out:
+ return EFI_EXIT(ret);
+}
+
+
+/**
+ * efi_cin_reset() - drain the input buffer
+ *
+ * @this: instance of the EFI_SIMPLE_TEXT_INPUT_PROTOCOL
+ * @extended_verification: allow for exhaustive verification
+ * Return: status code
+ *
+ * This function implements the Reset service of the
+ * EFI_SIMPLE_TEXT_INPUT_PROTOCOL.
+ *
+ * See the Unified Extensible Firmware Interface (UEFI) specification for
+ * details.
+ */
+static efi_status_t EFIAPI efi_cin_reset
+ (struct efi_simple_text_input_protocol *this,
+ bool extended_verification)
+{
+ efi_status_t ret = EFI_SUCCESS;
+
+ EFI_ENTRY("%p, %d", this, extended_verification);
+
+ /* Check parameters */
+ if (!this) {
+ ret = EFI_INVALID_PARAMETER;
+ goto out;
+ }
+
+ efi_cin_empty_buffer();
+out:
+ return EFI_EXIT(ret);
+}
+
+/**
+ * efi_cin_read_key_stroke() - read key stroke
+ *
+ * @this: instance of the EFI_SIMPLE_TEXT_INPUT_PROTOCOL
+ * @key: key read from console
+ * Return: status code
+ *
+ * This function implements the ReadKeyStroke service of the
+ * EFI_SIMPLE_TEXT_INPUT_PROTOCOL.
+ *
+ * See the Unified Extensible Firmware Interface (UEFI) specification for
+ * details.
+ */
+static efi_status_t EFIAPI efi_cin_read_key_stroke
+ (struct efi_simple_text_input_protocol *this,
+ struct efi_input_key *key)
+{
+ efi_status_t ret = EFI_SUCCESS;
+
+ EFI_ENTRY("%p, %p", this, key);
+
+ /* Check parameters */
+ if (!this || !key) {
+ ret = EFI_INVALID_PARAMETER;
+ goto out;
+ }
+
+ /* We don't do interrupts, so check for timers cooperatively */
+ efi_timer_check();
+
+ /* Enable console input after ExitBootServices */
+ efi_cin_check();
+
+ if (!key_available) {
+ ret = EFI_NOT_READY;
+ goto out;
+ }
+ *key = next_key.key;
+ key_available = false;
+ efi_con_in.wait_for_key->is_signaled = false;
+out:
+ return EFI_EXIT(ret);
+}
+
+static struct efi_simple_text_input_ex_protocol efi_con_in_ex = {
+ .reset = efi_cin_reset_ex,
+ .read_key_stroke_ex = efi_cin_read_key_stroke_ex,
+ .wait_for_key_ex = NULL,
+ .set_state = efi_cin_set_state,
+ .register_key_notify = efi_cin_register_key_notify,
+ .unregister_key_notify = efi_cin_unregister_key_notify,
+};
+
+struct efi_simple_text_input_protocol 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)
-{
-}
-
/*
- * Notification function of the console timer event.
+ * efi_console_timer_notify() - notify the console timer event
*
- * event: console timer event
- * context: not used
+ * @event: console timer event
+ * @context: not used
*/
static void EFIAPI efi_console_timer_notify(struct efi_event *event,
void *context)
{
EFI_ENTRY("%p, %p", event, context);
+ efi_cin_check();
+ EFI_EXIT(EFI_SUCCESS);
+}
- /* Check if input is available */
- if (tstc()) {
- /* Queue the wait for key event */
- efi_con_in.wait_for_key->is_signaled = true;
- efi_signal_event(efi_con_in.wait_for_key, true);
- }
+/**
+ * efi_key_notify() - notify the wait for key event
+ *
+ * @event: wait for key event
+ * @context: not used
+ */
+static void EFIAPI efi_key_notify(struct efi_event *event, void *context)
+{
+ EFI_ENTRY("%p, %p", event, context);
+ efi_cin_check();
EFI_EXIT(EFI_SUCCESS);
}
-/* This gets called from do_bootefi_exec(). */
-int efi_console_register(void)
+/**
+ * efi_console_register() - install the console protocols
+ *
+ * This function is called from do_bootefi_exec().
+ *
+ * Return: status code
+ */
+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;
- r = efi_create_handle((efi_handle_t *)&efi_console_input_obj);
+ systab.con_out_handle = console_output_handle;
+ systab.stderr_handle = console_output_handle;
+
+ 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 = 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;
/* Create console events */
r = efi_create_event(EVT_NOTIFY_WAIT, TPL_CALLBACK, efi_key_notify,
printf("ERROR: Failed to register WaitForKey event\n");
return r;
}
+ efi_con_in_ex.wait_for_key_ex = efi_con_in.wait_for_key;
r = efi_create_event(EVT_TIMER | EVT_NOTIFY_SIGNAL, TPL_CALLBACK,
efi_console_timer_notify, NULL, NULL,
&console_timer_event);
printf("ERROR: Failed to set console timer\n");
return r;
out_of_memory:
- printf("ERROR: Out of meemory\n");
+ printf("ERROR: Out of memory\n");
return r;
}
projects / platform / kernel / u-boot.git / blobdiff