1 files changed, 114 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/com32/lib/sys/vesa/vesa.h b/contrib/syslinux-4.02/com32/lib/sys/vesa/vesa.h
new file mode 100644
index 0000000..3926c32
--- /dev/null
+++ b/contrib/syslinux-4.02/com32/lib/sys/vesa/vesa.h
@@ -0,0 +1,114 @@
+/* ----------------------------------------------------------------------- *
+ *
+ *   Copyright 1999-2008 H. Peter Anvin - All Rights Reserved
+ *
+ *   Permission is hereby granted, free of charge, to any person
+ *   obtaining a copy of this software and associated documentation
+ *   files (the "Software"), to deal in the Software without
+ *   restriction, including without limitation the rights to use,
+ *   copy, modify, merge, publish, distribute, sublicense, and/or
+ *   sell copies of the Software, and to permit persons to whom
+ *   the Software is furnished to do so, subject to the following
+ *   conditions:
+ *
+ *   The above copyright notice and this permission notice shall
+ *   be included in all copies or substantial portions of the Software.
+ *
+ *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ *   OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *   NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ *   HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ *   WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ *   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ *   OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * ----------------------------------------------------------------------- */
+
+#ifndef LIB_SYS_VESA_H
+#define LIB_SYS_VESA_H
+
+#include <inttypes.h>
+#include <com32.h>
+
+/* VESA General Information table */
+struct vesa_general_info {
+    uint32_t signature;		/* Magic number = "VESA" */
+    uint16_t version;
+    far_ptr_t vendor_string;
+    uint8_t capabilities[4];
+    far_ptr_t video_mode_ptr;
+    uint16_t total_memory;
+
+    uint16_t oem_software_rev;
+    far_ptr_t oem_vendor_name_ptr;
+    far_ptr_t oem_product_name_ptr;
+    far_ptr_t oem_product_rev_ptr;
+
+    uint8_t reserved[222];
+    uint8_t oem_data[256];
+} __attribute__ ((packed));
+
+#define VESA_MAGIC ('V' + ('E' << 8) + ('S' << 16) + ('A' << 24))
+#define VBE2_MAGIC ('V' + ('B' << 8) + ('E' << 16) + ('2' << 24))
+
+struct vesa_mode_info {
+    uint16_t mode_attr;
+    uint8_t win_attr[2];
+    uint16_t win_grain;
+    uint16_t win_size;
+    uint16_t win_seg[2];
+    far_ptr_t win_scheme;
+    uint16_t logical_scan;
+
+    uint16_t h_res;
+    uint16_t v_res;
+    uint8_t char_width;
+    uint8_t char_height;
+    uint8_t memory_planes;
+    uint8_t bpp;
+    uint8_t banks;
+    uint8_t memory_layout;
+    uint8_t bank_size;
+    uint8_t image_pages;
+    uint8_t page_function;
+
+    uint8_t rmask;
+    uint8_t rpos;
+    uint8_t gmask;
+    uint8_t gpos;
+    uint8_t bmask;
+    uint8_t bpos;
+    uint8_t resv_mask;
+    uint8_t resv_pos;
+    uint8_t dcm_info;
+
+    uint8_t *lfb_ptr;		/* Linear frame buffer address */
+    uint8_t *offscreen_ptr;	/* Offscreen memory address */
+    uint16_t offscreen_size;
+
+    uint8_t reserved[206];
+} __attribute__ ((packed));
+
+struct vesa_info {
+    struct vesa_general_info gi;
+    struct vesa_mode_info mi;
+};
+
+extern struct vesa_info __vesa_info;
+
+#if 0
+static inline void vesa_debug(uint32_t color, int pos)
+{
+    uint32_t *stp = (uint32_t *) __vesa_info.mi.lfb_ptr;
+    stp[pos * 3] = color;
+}
+#else
+static inline void vesa_debug(uint32_t color, int pos)
+{
+    (void)color;
+    (void)pos;
+}
+#endif
+
+#endif /* LIB_SYS_VESA_H */