Mirroring from commit 106549a4362f6b499da522f8f8f5ed9f98388f87 from Coreboot upstream

2026-02-17 08:55:05 +10:00
commit 5e919b3ee7
279 changed files with 89283 additions and 0 deletions
@@ -0,0 +1,43 @@
+#ifndef __VGAFB_H
+#define __VGAFB_H
+
+// Graphics pixel operations.
+struct gfx_op {
+    struct vgamode_s *curmode_g;
+    u32 linelength;
+    u32 displaystart;
+
+    u8 op;
+    u16 x, y;
+
+    u8 pixels[8];
+    u16 xlen, ylen;
+    u16 srcy;
+};
+
+#define GO_READ8   1
+#define GO_WRITE8  2
+#define GO_MEMSET  3
+#define GO_MEMMOVE 4
+
+struct cursorpos {
+    u8 x, y, page, pad;
+};
+
+struct carattr {
+    u8 car, attr, use_attr, pad;
+};
+
+// vgafb.c
+void memcpy_high(void *dest, void *src, u32 len);
+void init_gfx_op(struct gfx_op *op, struct vgamode_s *curmode_g);
+void handle_gfx_op(struct gfx_op *op);
+void *text_address(struct cursorpos cp);
+void vgafb_scroll(struct cursorpos win, struct cursorpos winsize
+                  , int lines, struct carattr ca);
+void vgafb_write_char(struct cursorpos cp, struct carattr ca);
+struct carattr vgafb_read_char(struct cursorpos cp);
+void vgafb_write_pixel(u8 color, u16 x, u16 y);
+u8 vgafb_read_pixel(u16 x, u16 y);
+
+#endif // vgafb.h