3 files changed, 79 insertions, 0 deletions
diff --git a/sys/include/dev/cons/ansi.h b/sys/include/dev/cons/ansi.h
new file mode 100644
index 0000000..98d7618
--- /dev/null
+++ b/sys/include/dev/cons/ansi.h
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Hyra nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _CONS_ANSI_H_
+#define _CONS_ANSI_H_
+
+#include <sys/types.h>
+#include <sys/cdefs.h>
+#include <sys/param.h>
+
+/* ANSI colors */
+#define ANSI_BLACK      0x000000
+#define ANSI_RED        0xAA0000
+#define ANSI_GREEN      0x00AA00
+#define ANSI_BLUE       0x0000AA
+#define ANSI_YELLOW     0xAA5500
+#define ANSI_MAGENTA    0xAA00AA
+#define ANSI_CYAN       0x00AAAA
+#define ANSI_WHITE      0xAAAAAA
+
+/* ANSI_FEED update codes */
+#define ANSI_UPDATE_COLOR  -1
+
+/*
+ * ANSI parser state machine.
+ *
+ * @prev: Previous char
+ * @csi: Encountered control seq introducer
+ * @reset_color: 1 if color is to be reset
+ * @set_fg: 1 if fg is being set
+ * @set_bg: 1 if bg is being set
+ * @fg: Foreground color
+ * @bg: Background color
+ * @flags: State flags
+ */
+struct ansi_state {
+    char prev;
+    uint8_t csi : 2;
+    uint8_t reset_color : 1;
+    uint8_t set_fg : 1;
+    uint8_t set_bg : 1;
+    uint32_t fg;
+    uint32_t bg;
+};
+
+int ansi_feed(struct ansi_state *statep, char c);
+
+#endif  /* !_CONS_ANSI_H_ */
diff --git a/sys/include/dev/cons/cons.h b/sys/include/dev/cons/cons.h
index b27be23..13153b2 100644
--- a/sys/include/dev/cons/cons.h
+++ b/sys/include/dev/cons/cons.h
@@ -34,6 +34,7 @@
 #include <sys/spinlock.h>
 #include <dev/video/fbdev.h>
 #include <dev/cons/consvar.h>
+#include <dev/cons/ansi.h>
 
 struct cons_char {
     char c;
@@ -45,6 +46,7 @@ struct cons_char {
 
 struct cons_screen {
     struct fbdev fbdev;
+    struct ansi_state ansi_s;
     uint32_t fg;
     uint32_t bg;
 
@@ -64,6 +66,8 @@ struct cons_screen {
 
 void cons_init(void);
 void cons_expose(void);
+void cons_update_color(struct cons_screen *scr, uint32_t fg, uint32_t bg);
+void cons_reset_color(struct cons_screen *scr);
 int cons_putch(struct cons_screen *scr, char c);
 int cons_putstr(struct cons_screen *scr, const char *s, size_t len);
 
diff --git a/sys/include/dev/video/fbdev.h b/sys/include/dev/video/fbdev.h
index c80fd92..c9fec94 100644
--- a/sys/include/dev/video/fbdev.h
+++ b/sys/include/dev/video/fbdev.h
@@ -52,5 +52,6 @@ fbdev_get_index(const struct fbdev *fbdev, uint32_t x, uint32_t y)
 }
 
 struct fbdev fbdev_get(void);
+void fbdev_init_dev(void);
 
 #endif  /* !_DEV_FBDEV_H_ */