Added keycodes for swapping and unswapping the Control and OS keys (#6110)

* Add MAGIC_SWAP_CONTROL_LGUI and MAGIC_UNSWAP_CONTROL_LGUI keycodes

Key codes to swap and unswap the control and windows/cmd keys

* Fix issues with pull request #6110

Renamed swap/unswap lctl and lgui key codes, added key codes to swap/unswap rctl and rgui, and moved new bool inside keycode_config.h struct to the end

* Move new keycodes to the end of the enum (#6110)

* add cases for swapped control and OS keys to mod_config (#6110)

* Add new keycodes to feature_bootmagic.md (#6110)

* Add R+L swap codes to keep in parity with AG_* codes

* Extend Magic range check to include new magic codes

* Update audio docs

* Combine 2 byte ranges into 1 word for EECONFG

Fix names for Keymap config EEPROM

* Update docs/feature_bootmagic.md

Co-Authored-By: noroadsleft <18669334+noroadsleft@users.noreply.github.com>

* Update docs/feature_bootmagic.md

Co-Authored-By: noroadsleft <18669334+noroadsleft@users.noreply.github.com>

* Update docs/feature_bootmagic.md

Co-Authored-By: noroadsleft <18669334+noroadsleft@users.noreply.github.com>

* Update docs/feature_bootmagic.md

Co-Authored-By: noroadsleft <18669334+noroadsleft@users.noreply.github.com>

3 files changed, 16 insertions, 6 deletions

diff --git a/tmk_core/common/command.c b/tmk_core/common/command.c
index d3884d9fa..949615ecf 100644
--- a/tmk_core/common/command.c
+++ b/tmk_core/common/command.c
@@ -286,6 +286,8 @@ static void print_eeconfig(void)
     print("keymap_config.raw: "); print_hex8(kc.raw); print("\n");
     print(".swap_control_capslock: "); print_dec(kc.swap_control_capslock); print("\n");
     print(".capslock_to_control: "); print_dec(kc.capslock_to_control); print("\n");
+    print(".swap_lctl_lgui: "); print_dec(kc.swap_lctl_lgui); print("\n");
+    print(".swap_rctl_rgui: "); print_dec(kc.swap_rctl_rgui); print("\n");
     print(".swap_lalt_lgui: "); print_dec(kc.swap_lalt_lgui); print("\n");
     print(".swap_ralt_rgui: "); print_dec(kc.swap_ralt_rgui); print("\n");
     print(".no_gui: "); print_dec(kc.no_gui); print("\n");
diff --git a/tmk_core/common/eeconfig.c b/tmk_core/common/eeconfig.c
index 4f440abc9..28f5d3ad5 100644
--- a/tmk_core/common/eeconfig.c
+++ b/tmk_core/common/eeconfig.c
@@ -39,7 +39,8 @@ void eeconfig_init_quantum(void) {
   eeprom_update_byte(EECONFIG_DEBUG,          0);
   eeprom_update_byte(EECONFIG_DEFAULT_LAYER,  0);
   default_layer_state = 0;
-  eeprom_update_byte(EECONFIG_KEYMAP,         0);
+  eeprom_update_byte(EECONFIG_KEYMAP_LOWER_BYTE, 0);
+  eeprom_update_byte(EECONFIG_KEYMAP_UPPER_BYTE, 0);
   eeprom_update_byte(EECONFIG_MOUSEKEY_ACCEL, 0);
   eeprom_update_byte(EECONFIG_BACKLIGHT,      0);
   eeprom_update_byte(EECONFIG_AUDIO,             0xFF); // On by default
@@ -127,12 +128,17 @@ void eeconfig_update_default_layer(uint8_t val) { eeprom_update_byte(EECONFIG_DE
  *
  * FIXME: needs doc
  */
-uint8_t eeconfig_read_keymap(void)      { return eeprom_read_byte(EECONFIG_KEYMAP); }
+uint16_t eeconfig_read_keymap(void) {
+    return ( eeprom_read_byte(EECONFIG_KEYMAP_LOWER_BYTE) | (eeprom_read_byte(EECONFIG_KEYMAP_UPPER_BYTE) << 8) );
+}
 /** \brief eeconfig update keymap
  *
  * FIXME: needs doc
  */
-void eeconfig_update_keymap(uint8_t val) { eeprom_update_byte(EECONFIG_KEYMAP, val); }
+void eeconfig_update_keymap(uint16_t val) {
+    eeprom_update_byte(EECONFIG_KEYMAP_LOWER_BYTE, val & 0xFF);
+    eeprom_update_byte(EECONFIG_KEYMAP_UPPER_BYTE, ( val >> 8 ) & 0xFF );
+}
 
 /** \brief eeconfig read backlight
  *
diff --git a/tmk_core/common/eeconfig.h b/tmk_core/common/eeconfig.h
index 3100041b4..0d5c6a82f 100644
--- a/tmk_core/common/eeconfig.h
+++ b/tmk_core/common/eeconfig.h
@@ -45,7 +45,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define EECONFIG_HAPTIC                            (uint32_t *)24
 #define EECONFIG_RGB_MATRIX                        (uint32_t *)28
 #define EECONFIG_RGB_MATRIX_SPEED                   (uint8_t *)32
-
+// TODO: Combine these into a single word and single block of EEPROM
+#define EECONFIG_KEYMAP_UPPER_BYTE                  (uint8_t *)33
 /* debug bit */
 #define EECONFIG_DEBUG_ENABLE                       (1<<0)
 #define EECONFIG_DEBUG_MATRIX                       (1<<1)
@@ -62,6 +63,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define EECONFIG_KEYMAP_SWAP_BACKSLASH_BACKSPACE    (1<<6)
 #define EECONFIG_KEYMAP_NKRO                        (1<<7)
 
+#define EECONFIG_KEYMAP_LOWER_BYTE EECONFIG_KEYMAP
 
 bool eeconfig_is_enabled(void);
 bool eeconfig_is_disabled(void);
@@ -81,8 +83,8 @@ void eeconfig_update_debug(uint8_t val);
 uint8_t eeconfig_read_default_layer(void);
 void eeconfig_update_default_layer(uint8_t val);
 
-uint8_t eeconfig_read_keymap(void);
-void eeconfig_update_keymap(uint8_t val);
+uint16_t eeconfig_read_keymap(void);
+void eeconfig_update_keymap(uint16_t val);
 
 #ifdef BACKLIGHT_ENABLE
 uint8_t eeconfig_read_backlight(void);