X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Froms%2Fopenbios%2Flibopenbios%2Fvideo_common.c;fp=qemu%2Froms%2Fopenbios%2Flibopenbios%2Fvideo_common.c;h=9bbc18c3c7c6cebcd3ba007dd64802f121cbc41c;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git

diff --git a/qemu/roms/openbios/libopenbios/video_common.c b/qemu/roms/openbios/libopenbios/video_common.c
new file mode 100644
index 000000000..9bbc18c3c
--- /dev/null
+++ b/qemu/roms/openbios/libopenbios/video_common.c
@@ -0,0 +1,258 @@
+/*
+ *   Creation Date: <2002/10/23 20:26:40 samuel>
+ *   Time-stamp: <2004/01/07 19:39:15 samuel>
+ *
+ *     <video_common.c>
+ *
+ *     Shared video routines
+ *
+ *   Copyright (C) 2002, 2003, 2004 Samuel Rydh (samuel@ibrium.se)
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation
+ *
+ */
+
+#include "config.h"
+#include "libc/vsprintf.h"
+#include "libopenbios/bindings.h"
+#include "libopenbios/fontdata.h"
+#include "libopenbios/ofmem.h"
+#include "libopenbios/video.h"
+#include "packages/video.h"
+#include "drivers/vga.h"
+#define NO_QEMU_PROTOS
+#include "arch/common/fw_cfg.h"
+
+struct video_info video;
+
+unsigned long
+video_get_color( int col_ind )
+{
+	unsigned long col;
+	if( !VIDEO_DICT_VALUE(video.ih) || col_ind < 0 || col_ind > 255 )
+		return 0;
+	if( VIDEO_DICT_VALUE(video.depth) == 8 )
+		return col_ind;
+	col = video.pal[col_ind];
+	if( VIDEO_DICT_VALUE(video.depth) == 24 || VIDEO_DICT_VALUE(video.depth) == 32 )
+		return col;
+	if( VIDEO_DICT_VALUE(video.depth) == 15 )
+		return ((col>>9) & 0x7c00) | ((col>>6) & 0x03e0) | ((col>>3) & 0x1f);
+	return 0;
+}
+
+/* ( fbaddr maskaddr width height fgcolor bgcolor -- ) */
+
+void
+video_mask_blit(void)
+{
+	ucell bgcolor = POP();
+	ucell fgcolor = POP();
+	ucell height = POP();
+	ucell width = POP();
+	unsigned char *mask = (unsigned char *)POP();
+	unsigned char *fbaddr = (unsigned char *)POP();
+
+	ucell color;
+	unsigned char *dst, *rowdst;
+	int x, y, m, b, d, depthbytes;
+
+	fgcolor = video_get_color(fgcolor);
+	bgcolor = video_get_color(bgcolor);
+	d = VIDEO_DICT_VALUE(video.depth);
+	depthbytes = (d + 1) >> 3;
+
+	dst = fbaddr;
+	for( y = 0; y < height; y++) {
+		rowdst = dst;
+		for( x = 0; x < (width + 1) >> 3; x++ ) {
+			for (b = 0; b < 8; b++) {
+				m = (1 << (7 - b));
+
+				if (*mask & m) {
+					color = fgcolor;
+				} else {
+					color = bgcolor;
+				}
+
+				if( d >= 24 )
+					*((uint32_t*)dst) = color;
+				else if( d >= 15 )
+					*((uint16_t*)dst) = color;
+				else
+					*dst = color;
+
+				dst += depthbytes;
+			}
+			mask++;
+		}
+		dst = rowdst;
+		dst += VIDEO_DICT_VALUE(video.rb);
+	}
+}
+
+/* ( x y w h fgcolor bgcolor -- ) */
+
+void
+video_invert_rect( void )
+{
+	ucell bgcolor = POP();
+	ucell fgcolor = POP();
+	int h = POP();
+	int w = POP();
+	int y = POP();
+	int x = POP();
+	char *pp;
+
+	bgcolor = video_get_color(bgcolor);
+	fgcolor = video_get_color(fgcolor);
+
+	if (!VIDEO_DICT_VALUE(video.ih) || x < 0 || y < 0 || w <= 0 || h <= 0 ||
+		x + w > VIDEO_DICT_VALUE(video.w) || y + h > VIDEO_DICT_VALUE(video.h))
+		return;
+
+	pp = (char*)VIDEO_DICT_VALUE(video.mvirt) + VIDEO_DICT_VALUE(video.rb) * y;
+	for( ; h--; pp += *(video.rb) ) {
+		int ww = w;
+		if( VIDEO_DICT_VALUE(video.depth) == 24 || VIDEO_DICT_VALUE(video.depth) == 32 ) {
+			uint32_t *p = (uint32_t*)pp + x;
+			while( ww-- ) {
+				if (*p == fgcolor) {
+					*p++ = bgcolor;
+				} else if (*p == bgcolor) {
+					*p++ = fgcolor;
+				}
+			}
+		} else if( VIDEO_DICT_VALUE(video.depth) == 16 || VIDEO_DICT_VALUE(video.depth) == 15 ) {
+			uint16_t *p = (uint16_t*)pp + x;
+			while( ww-- ) {
+				if (*p == (uint16_t)fgcolor) {
+					*p++ = bgcolor;
+				} else if (*p == (uint16_t)bgcolor) {
+					*p++ = fgcolor;
+				}
+			}
+		} else {
+			char *p = (char *)(pp + x);
+
+			while( ww-- ) {
+				if (*p == (char)fgcolor) {
+					*p++ = bgcolor;
+				} else if (*p == (char)bgcolor) {
+					*p++ = fgcolor;
+				}
+			}
+		}
+	}
+}
+
+/* ( color_ind x y width height -- ) (?) */
+void
+video_fill_rect(void)
+{
+	int h = POP();
+	int w = POP();
+	int y = POP();
+	int x = POP();
+	int col_ind = POP();
+
+	char *pp;
+	unsigned long col = video_get_color(col_ind);
+
+        if (!VIDEO_DICT_VALUE(video.ih) || x < 0 || y < 0 || w <= 0 || h <= 0 ||
+            x + w > VIDEO_DICT_VALUE(video.w) || y + h > VIDEO_DICT_VALUE(video.h))
+		return;
+
+	pp = (char*)VIDEO_DICT_VALUE(video.mvirt) + VIDEO_DICT_VALUE(video.rb) * y;
+	for( ; h--; pp += VIDEO_DICT_VALUE(video.rb) ) {
+		int ww = w;
+		if( VIDEO_DICT_VALUE(video.depth) == 24 || VIDEO_DICT_VALUE(video.depth) == 32 ) {
+			uint32_t *p = (uint32_t*)pp + x;
+			while( ww-- )
+				*p++ = col;
+		} else if( VIDEO_DICT_VALUE(video.depth) == 16 || VIDEO_DICT_VALUE(video.depth) == 15 ) {
+			uint16_t *p = (uint16_t*)pp + x;
+			while( ww-- )
+				*p++ = col;
+		} else {
+                        char *p = (char *)(pp + x);
+
+			while( ww-- )
+				*p++ = col;
+		}
+	}
+}
+
+void setup_video()
+{
+	/* Make everything inside the video_info structure point to the
+	   values in the Forth dictionary. Hence everything is always in
+	   sync. */
+	phandle_t options;
+	char buf[6];
+
+	feval("['] display-ih cell+");
+	video.ih = cell2pointer(POP());
+
+	feval("['] frame-buffer-adr cell+");
+	video.mvirt = cell2pointer(POP());
+	feval("['] openbios-video-width cell+");
+	video.w = cell2pointer(POP());
+	feval("['] openbios-video-height cell+");
+	video.h = cell2pointer(POP());
+	feval("['] depth-bits cell+");
+	video.depth = cell2pointer(POP());
+	feval("['] line-bytes cell+");
+	video.rb = cell2pointer(POP());
+	feval("['] color-palette cell+");
+	video.pal = cell2pointer(POP());
+
+	/* Set global variables ready for fb8-install */
+	PUSH( pointer2cell(video_mask_blit) );
+	fword("is-noname-cfunc");
+	feval("to fb8-blitmask");
+	PUSH( pointer2cell(video_fill_rect) );
+	fword("is-noname-cfunc");
+	feval("to fb8-fillrect");
+	PUSH( pointer2cell(video_invert_rect) );
+	fword("is-noname-cfunc");
+	feval("to fb8-invertrect");
+
+	/* Static information */
+	PUSH((ucell)fontdata);
+	feval("to (romfont)");
+	PUSH(FONT_HEIGHT);
+	feval("to (romfont-height)");
+	PUSH(FONT_WIDTH);
+	feval("to (romfont-width)");
+
+	/* Initialise the structure */
+	VIDEO_DICT_VALUE(video.w) = VGA_DEFAULT_WIDTH;
+	VIDEO_DICT_VALUE(video.h) = VGA_DEFAULT_HEIGHT;
+	VIDEO_DICT_VALUE(video.depth) = VGA_DEFAULT_DEPTH;
+	VIDEO_DICT_VALUE(video.rb) = VGA_DEFAULT_LINEBYTES;
+
+#if defined(CONFIG_QEMU) && (defined(CONFIG_PPC) || defined(CONFIG_SPARC32) || defined(CONFIG_SPARC64))
+	/* If running from QEMU, grab the parameters from the firmware interface */
+	int w, h, d;
+
+	w = fw_cfg_read_i16(FW_CFG_ARCH_WIDTH);
+        h = fw_cfg_read_i16(FW_CFG_ARCH_HEIGHT);
+        d = fw_cfg_read_i16(FW_CFG_ARCH_DEPTH);
+	if (w && h && d) {
+		VIDEO_DICT_VALUE(video.w) = w;
+		VIDEO_DICT_VALUE(video.h) = h;
+		VIDEO_DICT_VALUE(video.depth) = d;
+		VIDEO_DICT_VALUE(video.rb) = (w * ((d + 7) / 8));
+	}
+#endif
+
+	/* Setup screen-#rows/screen-#columns */
+	options = find_dev("/options");
+	snprintf(buf, sizeof(buf), FMT_ucell, VIDEO_DICT_VALUE(video.w) / FONT_WIDTH);
+	set_property(options, "screen-#columns", buf, strlen(buf) + 1);
+	snprintf(buf, sizeof(buf), FMT_ucell, VIDEO_DICT_VALUE(video.h) / FONT_HEIGHT);
+	set_property(options, "screen-#rows", buf, strlen(buf) + 1);
+}