summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/drivers/emulation/qemu/Config.lb1
-rw-r--r--src/drivers/emulation/qemu/fb.h344
-rw-r--r--src/drivers/emulation/qemu/fbcon.h176
-rw-r--r--src/drivers/emulation/qemu/init.c90
4 files changed, 611 insertions, 0 deletions
diff --git a/src/drivers/emulation/qemu/Config.lb b/src/drivers/emulation/qemu/Config.lb
new file mode 100644
index 0000000000..3a8d35a057
--- /dev/null
+++ b/src/drivers/emulation/qemu/Config.lb
@@ -0,0 +1 @@
+driver init.o
diff --git a/src/drivers/emulation/qemu/fb.h b/src/drivers/emulation/qemu/fb.h
new file mode 100644
index 0000000000..01f2887707
--- /dev/null
+++ b/src/drivers/emulation/qemu/fb.h
@@ -0,0 +1,344 @@
+#ifndef _LINUX_FB_H
+#define _LINUX_FB_H
+
+#define u32 uint32_t
+#define u16 uint16_t
+#define u8 uint8_t
+#define s16 short
+
+/* Definitions of frame buffers */
+
+#define FB_MAJOR 29
+#define FB_MAX 32 /* sufficient for now */
+
+/* ioctls
+ 0x46 is 'F' */
+#define FBIOGET_VSCREENINFO 0x4600
+#define FBIOPUT_VSCREENINFO 0x4601
+#define FBIOGET_FSCREENINFO 0x4602
+#define FBIOGETCMAP 0x4604
+#define FBIOPUTCMAP 0x4605
+#define FBIOPAN_DISPLAY 0x4606
+/* 0x4607-0x460B are defined below */
+/* #define FBIOGET_MONITORSPEC 0x460C */
+/* #define FBIOPUT_MONITORSPEC 0x460D */
+/* #define FBIOSWITCH_MONIBIT 0x460E */
+#define FBIOGET_CON2FBMAP 0x460F
+#define FBIOPUT_CON2FBMAP 0x4610
+#define FBIOBLANK 0x4611 /* arg: 0 or vesa level + 1 */
+#define FBIOGET_VBLANK _IOR('F', 0x12, struct fb_vblank)
+#define FBIO_ALLOC 0x4613
+#define FBIO_FREE 0x4614
+#define FBIOGET_GLYPH 0x4615
+#define FBIOGET_HWCINFO 0x4616
+#define FBIOPUT_MODEINFO 0x4617
+#define FBIOGET_DISPINFO 0x4618
+
+
+#define FB_TYPE_PACKED_PIXELS 0 /* Packed Pixels */
+#define FB_TYPE_PLANES 1 /* Non interleaved planes */
+#define FB_TYPE_INTERLEAVED_PLANES 2 /* Interleaved planes */
+#define FB_TYPE_TEXT 3 /* Text/attributes */
+#define FB_TYPE_VGA_PLANES 4 /* EGA/VGA planes */
+
+#define FB_AUX_TEXT_MDA 0 /* Monochrome text */
+#define FB_AUX_TEXT_CGA 1 /* CGA/EGA/VGA Color text */
+#define FB_AUX_TEXT_S3_MMIO 2 /* S3 MMIO fasttext */
+#define FB_AUX_TEXT_MGA_STEP16 3 /* MGA Millenium I: text, attr, 14 reserved bytes */
+#define FB_AUX_TEXT_MGA_STEP8 4 /* other MGAs: text, attr, 6 reserved bytes */
+
+#define FB_AUX_VGA_PLANES_VGA4 0 /* 16 color planes (EGA/VGA) */
+#define FB_AUX_VGA_PLANES_CFB4 1 /* CFB4 in planes (VGA) */
+#define FB_AUX_VGA_PLANES_CFB8 2 /* CFB8 in planes (VGA) */
+
+#define FB_VISUAL_MONO01 0 /* Monochr. 1=Black 0=White */
+#define FB_VISUAL_MONO10 1 /* Monochr. 1=White 0=Black */
+#define FB_VISUAL_TRUECOLOR 2 /* True color */
+#define FB_VISUAL_PSEUDOCOLOR 3 /* Pseudo color (like atari) */
+#define FB_VISUAL_DIRECTCOLOR 4 /* Direct color */
+#define FB_VISUAL_STATIC_PSEUDOCOLOR 5 /* Pseudo color readonly */
+
+#define FB_ACCEL_NONE 0 /* no hardware accelerator */
+#define FB_ACCEL_ATARIBLITT 1 /* Atari Blitter */
+#define FB_ACCEL_AMIGABLITT 2 /* Amiga Blitter */
+#define FB_ACCEL_S3_TRIO64 3 /* Cybervision64 (S3 Trio64) */
+#define FB_ACCEL_NCR_77C32BLT 4 /* RetinaZ3 (NCR 77C32BLT) */
+#define FB_ACCEL_S3_VIRGE 5 /* Cybervision64/3D (S3 ViRGE) */
+#define FB_ACCEL_ATI_MACH64GX 6 /* ATI Mach 64GX family */
+#define FB_ACCEL_DEC_TGA 7 /* DEC 21030 TGA */
+#define FB_ACCEL_ATI_MACH64CT 8 /* ATI Mach 64CT family */
+#define FB_ACCEL_ATI_MACH64VT 9 /* ATI Mach 64CT family VT class */
+#define FB_ACCEL_ATI_MACH64GT 10 /* ATI Mach 64CT family GT class */
+#define FB_ACCEL_SUN_CREATOR 11 /* Sun Creator/Creator3D */
+#define FB_ACCEL_SUN_CGSIX 12 /* Sun cg6 */
+#define FB_ACCEL_SUN_LEO 13 /* Sun leo/zx */
+#define FB_ACCEL_IMS_TWINTURBO 14 /* IMS Twin Turbo */
+#define FB_ACCEL_3DLABS_PERMEDIA2 15 /* 3Dlabs Permedia 2 */
+#define FB_ACCEL_MATROX_MGA2064W 16 /* Matrox MGA2064W (Millenium) */
+#define FB_ACCEL_MATROX_MGA1064SG 17 /* Matrox MGA1064SG (Mystique) */
+#define FB_ACCEL_MATROX_MGA2164W 18 /* Matrox MGA2164W (Millenium II) */
+#define FB_ACCEL_MATROX_MGA2164W_AGP 19 /* Matrox MGA2164W (Millenium II) */
+#define FB_ACCEL_MATROX_MGAG100 20 /* Matrox G100 (Productiva G100) */
+#define FB_ACCEL_MATROX_MGAG200 21 /* Matrox G200 (Myst, Mill, ...) */
+#define FB_ACCEL_SUN_CG14 22 /* Sun cgfourteen */
+#define FB_ACCEL_SUN_BWTWO 23 /* Sun bwtwo */
+#define FB_ACCEL_SUN_CGTHREE 24 /* Sun cgthree */
+#define FB_ACCEL_SUN_TCX 25 /* Sun tcx */
+#define FB_ACCEL_MATROX_MGAG400 26 /* Matrox G400 */
+#define FB_ACCEL_NV3 27 /* nVidia RIVA 128 */
+#define FB_ACCEL_NV4 28 /* nVidia RIVA TNT */
+#define FB_ACCEL_NV5 29 /* nVidia RIVA TNT2 */
+#define FB_ACCEL_CT_6555x 30 /* C&T 6555x */
+#define FB_ACCEL_3DFX_BANSHEE 31 /* 3Dfx Banshee */
+#define FB_ACCEL_ATI_RAGE128 32 /* ATI Rage128 family */
+#define FB_ACCEL_IGS_CYBER2000 33 /* CyberPro 2000 */
+#define FB_ACCEL_IGS_CYBER2010 34 /* CyberPro 2010 */
+#define FB_ACCEL_IGS_CYBER5000 35 /* CyberPro 5000 */
+#define FB_ACCEL_SIS_GLAMOUR 36 /* SiS 300/630/540 */
+#define FB_ACCEL_3DLABS_PERMEDIA3 37 /* 3Dlabs Permedia 3 */
+#define FB_ACCEL_ATI_RADEON 38 /* ATI Radeon family */
+#define FB_ACCEL_SIS_GLAMOUR_2 40 /* SiS 315, 650, 740 */
+#define FB_ACCEL_SIS_XABRE 41 /* SiS 330 ("Xabre") */
+
+#define FB_ACCEL_NEOMAGIC_NM2070 90 /* NeoMagic NM2070 */
+#define FB_ACCEL_NEOMAGIC_NM2090 91 /* NeoMagic NM2090 */
+#define FB_ACCEL_NEOMAGIC_NM2093 92 /* NeoMagic NM2093 */
+#define FB_ACCEL_NEOMAGIC_NM2097 93 /* NeoMagic NM2097 */
+#define FB_ACCEL_NEOMAGIC_NM2160 94 /* NeoMagic NM2160 */
+#define FB_ACCEL_NEOMAGIC_NM2200 95 /* NeoMagic NM2200 */
+#define FB_ACCEL_NEOMAGIC_NM2230 96 /* NeoMagic NM2230 */
+#define FB_ACCEL_NEOMAGIC_NM2360 97 /* NeoMagic NM2360 */
+#define FB_ACCEL_NEOMAGIC_NM2380 98 /* NeoMagic NM2380 */
+
+#if 0
+
+struct fb_fix_screeninfo {
+ char id[16]; /* identification string eg "TT Builtin" */
+ unsigned long smem_start; /* Start of frame buffer mem */
+ /* (physical address) */
+ u32 smem_len; /* Length of frame buffer mem */
+ u32 type; /* see FB_TYPE_* */
+ u32 type_aux; /* Interleave for interleaved Planes */
+ u32 visual; /* see FB_VISUAL_* */
+ u16 xpanstep; /* zero if no hardware panning */
+ u16 ypanstep; /* zero if no hardware panning */
+ u16 ywrapstep; /* zero if no hardware ywrap */
+ u32 line_length; /* length of a line in bytes */
+ unsigned long mmio_start; /* Start of Memory Mapped I/O */
+ /* (physical address) */
+ u32 mmio_len; /* Length of Memory Mapped I/O */
+ u32 accel; /* Type of acceleration available */
+ u16 reserved[3]; /* Reserved for future compatibility */
+};
+
+#endif
+
+/* Interpretation of offset for color fields: All offsets are from the right,
+ * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you
+ * can use the offset as right argument to <<). A pixel afterwards is a bit
+ * stream and is written to video memory as that unmodified. This implies
+ * big-endian byte order if bits_per_pixel is greater than 8.
+ */
+struct fb_bitfield {
+ u32 offset; /* beginning of bitfield */
+ u32 length; /* length of bitfield */
+ u32 msb_right; /* != 0 : Most significant bit is */
+ /* right */
+};
+
+#define FB_NONSTD_HAM 1 /* Hold-And-Modify (HAM) */
+
+#define FB_ACTIVATE_NOW 0 /* set values immediately (or vbl)*/
+#define FB_ACTIVATE_NXTOPEN 1 /* activate on next open */
+#define FB_ACTIVATE_TEST 2 /* don't set, round up impossible */
+#define FB_ACTIVATE_MASK 15
+ /* values */
+#define FB_ACTIVATE_VBL 16 /* activate values on next vbl */
+#define FB_CHANGE_CMAP_VBL 32 /* change colormap on vbl */
+#define FB_ACTIVATE_ALL 64 /* change all VCs on this fb */
+
+#define FB_ACCELF_TEXT 1 /* text mode acceleration */
+
+#define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */
+#define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */
+#define FB_SYNC_EXT 4 /* external sync */
+#define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */
+#define FB_SYNC_BROADCAST 16 /* broadcast video timings */
+ /* vtotal = 144d/288n/576i => PAL */
+ /* vtotal = 121d/242n/484i => NTSC */
+#define FB_SYNC_ON_GREEN 32 /* sync on green */
+
+#define FB_VMODE_NONINTERLACED 0 /* non interlaced */
+#define FB_VMODE_INTERLACED 1 /* interlaced */
+#define FB_VMODE_DOUBLE 2 /* double scan */
+#define FB_VMODE_MASK 255
+
+#define FB_VMODE_YWRAP 256 /* ywrap instead of panning */
+#define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */
+#define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */
+
+struct fb_var_screeninfo {
+ u32 xres; /* visible resolution */
+ u32 yres;
+ u32 xres_virtual; /* virtual resolution */
+ u32 yres_virtual;
+ u32 xoffset; /* offset from virtual to visible */
+ u32 yoffset; /* resolution */
+
+ u32 bits_per_pixel; /* guess what */
+ u32 grayscale; /* != 0 Graylevels instead of colors */
+
+ struct fb_bitfield red; /* bitfield in fb mem if true color, */
+ struct fb_bitfield green; /* else only length is significant */
+ struct fb_bitfield blue;
+ struct fb_bitfield transp; /* transparency */
+
+ u32 nonstd; /* != 0 Non standard pixel format */
+
+ u32 activate; /* see FB_ACTIVATE_* */
+
+ u32 height; /* height of picture in mm */
+ u32 width; /* width of picture in mm */
+
+ u32 accel_flags; /* acceleration flags (hints) */
+
+ /* Timing: All values in pixclocks, except pixclock (of course) */
+ u32 pixclock; /* pixel clock in ps (pico seconds) */
+ u32 left_margin; /* time from sync to picture */
+ u32 right_margin; /* time from picture to sync */
+ u32 upper_margin; /* time from sync to picture */
+ u32 lower_margin;
+ u32 hsync_len; /* length of horizontal sync */
+ u32 vsync_len; /* length of vertical sync */
+ u32 sync; /* see FB_SYNC_* */
+ u32 vmode; /* see FB_VMODE_* */
+ u32 reserved[6]; /* Reserved for future compatibility */
+};
+
+struct fb_cmap {
+ u32 start; /* First entry */
+ u32 len; /* Number of entries */
+ u16 *red; /* Red values */
+ u16 *green;
+ u16 *blue;
+ u16 *transp; /* transparency, can be NULL */
+};
+
+struct fb_con2fbmap {
+ u32 console;
+ u32 framebuffer;
+};
+
+/* VESA Blanking Levels */
+#define VESA_NO_BLANKING 0
+#define VESA_VSYNC_SUSPEND 1
+#define VESA_HSYNC_SUSPEND 2
+#define VESA_POWERDOWN 3
+
+struct fb_monspecs {
+ u32 hfmin; /* hfreq lower limit (Hz) */
+ u32 hfmax; /* hfreq upper limit (Hz) */
+ u16 vfmin; /* vfreq lower limit (Hz) */
+ u16 vfmax; /* vfreq upper limit (Hz) */
+ unsigned dpms : 1; /* supports DPMS */
+};
+
+#define FB_VBLANK_VBLANKING 0x001 /* currently in a vertical blank */
+#define FB_VBLANK_HBLANKING 0x002 /* currently in a horizontal blank */
+#define FB_VBLANK_HAVE_VBLANK 0x004 /* vertical blanks can be detected */
+#define FB_VBLANK_HAVE_HBLANK 0x008 /* horizontal blanks can be detected */
+#define FB_VBLANK_HAVE_COUNT 0x010 /* global retrace counter is available */
+#define FB_VBLANK_HAVE_VCOUNT 0x020 /* the vcount field is valid */
+#define FB_VBLANK_HAVE_HCOUNT 0x040 /* the hcount field is valid */
+#define FB_VBLANK_VSYNCING 0x080 /* currently in a vsync */
+#define FB_VBLANK_HAVE_VSYNC 0x100 /* verical syncs can be detected */
+
+struct fb_vblank {
+ u32 flags; /* FB_VBLANK flags */
+ u32 count; /* counter of retraces since boot */
+ u32 vcount; /* current scanline position */
+ u32 hcount; /* current scandot position */
+ u32 reserved[4]; /* reserved for future compatibility */
+};
+
+
+#if 1
+
+#define FBCMD_GET_CURRENTPAR 0xDEAD0005
+#define FBCMD_SET_CURRENTPAR 0xDEAD8005
+
+#endif
+
+
+
+ /*
+ * Hardware Cursor
+ */
+
+#define FBIOGET_FCURSORINFO 0x4607
+#define FBIOGET_VCURSORINFO 0x4608
+#define FBIOPUT_VCURSORINFO 0x4609
+#define FBIOGET_CURSORSTATE 0x460A
+#define FBIOPUT_CURSORSTATE 0x460B
+
+
+struct fb_fix_cursorinfo {
+ u16 crsr_width; /* width and height of the cursor in */
+ u16 crsr_height; /* pixels (zero if no cursor) */
+ u16 crsr_xsize; /* cursor size in display pixels */
+ u16 crsr_ysize;
+ u16 crsr_color1; /* colormap entry for cursor color1 */
+ u16 crsr_color2; /* colormap entry for cursor color2 */
+};
+
+struct fb_var_cursorinfo {
+ u16 width;
+ u16 height;
+ u16 xspot;
+ u16 yspot;
+ u8 data[1]; /* field with [height][width] */
+};
+
+struct fb_cursorstate {
+ s16 xoffset;
+ s16 yoffset;
+ u16 mode;
+};
+
+
+struct fb_info {
+ char modename[40]; /* default video mode */
+// kdev_t node;
+ int flags;
+ int open; /* Has this been open already ? */
+ struct fb_var_screeninfo var; /* Current var */
+#if 0
+ struct fb_fix_screeninfo fix; /* Current fix */
+#endif
+ struct fb_monspecs monspecs; /* Current Monitor specs */
+ struct fb_cmap cmap; /* Current cmap */
+// struct fb_ops *fbops;
+ char *screen_base; /* Virtual address */
+ struct display *disp; /* initial display variable */
+// struct vc_data *display_fg; /* Console visible on this display */
+ char fontname[40]; /* default font name */
+#if 0
+ devfs_handle_t devfs_handle; /* Devfs handle for new name */
+ devfs_handle_t devfs_lhandle; /* Devfs handle for compat. symlink */
+ int (*changevar)(int); /* tell console var has changed */
+ int (*switch_con)(int, struct fb_info*);
+ /* tell fb to switch consoles */
+ int (*updatevar)(int, struct fb_info*);
+ /* tell fb to update the vars */
+ void (*blank)(int, struct fb_info*); /* tell fb to (un)blank the screen */
+ /* arg = 0: unblank */
+ /* arg > 0: VESA level (arg-1) */
+#endif
+ void *pseudo_palette; /* Fake palette of 16 colors and
+ the cursor's color for non
+ palette mode */
+ /* From here on everything is device dependent */
+ void *par;
+};
+
+#endif /* _LINUX_FB_H */
diff --git a/src/drivers/emulation/qemu/fbcon.h b/src/drivers/emulation/qemu/fbcon.h
new file mode 100644
index 0000000000..56328323dc
--- /dev/null
+++ b/src/drivers/emulation/qemu/fbcon.h
@@ -0,0 +1,176 @@
+/*
+ * linux/drivers/video/fbcon.h -- Low level frame buffer based console driver
+ *
+ * Copyright (C) 1997 Geert Uytterhoeven
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive
+ * for more details.
+ */
+
+#ifndef _VIDEO_FBCON_H
+#define _VIDEO_FBCON_H
+
+
+
+struct display {
+ /* Filled in by the frame buffer device */
+
+ struct fb_var_screeninfo var; /* variable infos. yoffset and vmode */
+ /* are updated by fbcon.c */
+ struct fb_cmap cmap; /* colormap */
+ char *screen_base; /* pointer to top of virtual screen */
+ /* (virtual address) */
+ int visual;
+ int type; /* see FB_TYPE_* */
+ int type_aux; /* Interleave for interleaved Planes */
+ u16 ypanstep; /* zero if no hardware ypan */
+ u16 ywrapstep; /* zero if no hardware ywrap */
+ u32 line_length; /* length of a line in bytes */
+ u16 can_soft_blank; /* zero if no hardware blanking */
+ u16 inverse; /* != 0 text black on white as default */
+// struct display_switch *dispsw; /* low level operations */
+// void *dispsw_data; /* optional dispsw helper data */
+
+#if 0
+ struct fb_fix_cursorinfo fcrsr;
+ struct fb_var_cursorinfo *vcrsr;
+ struct fb_cursorstate crsrstate;
+#endif
+
+ /* Filled in by the low-level console driver */
+
+ struct vc_data *conp; /* pointer to console data */
+// struct fb_info *fb_info; /* frame buffer for this console */
+ int vrows; /* number of virtual rows */
+ unsigned short cursor_x; /* current cursor position */
+ unsigned short cursor_y;
+ int fgcol; /* text colors */
+ int bgcol;
+ u32 next_line; /* offset to one line below */
+ u32 next_plane; /* offset to next plane */
+ u8 *fontdata; /* Font associated to this display */
+ unsigned short _fontheightlog;
+ unsigned short _fontwidthlog;
+ unsigned short _fontheight;
+ unsigned short _fontwidth;
+ int userfont; /* != 0 if fontdata kmalloc()ed */
+ u16 scrollmode; /* Scroll Method */
+ short yscroll; /* Hardware scrolling */
+ unsigned char fgshift, bgshift;
+ unsigned short charmask; /* 0xff or 0x1ff */
+};
+
+
+#define fontheight(p) ((p)->_fontheight)
+#define fontheightlog(p) ((p)->_fontheightlog)
+
+#ifdef CONFIG_FBCON_FONTWIDTH8_ONLY
+
+/* fontwidth w is supported by dispsw */
+#define FONTWIDTH(w) (1 << ((8) - 1))
+/* fontwidths w1-w2 inclusive are supported by dispsw */
+#define FONTWIDTHRANGE(w1,w2) FONTWIDTH(8)
+
+#define fontwidth(p) (8)
+#define fontwidthlog(p) (0)
+
+#else
+
+/* fontwidth w is supported by dispsw */
+#define FONTWIDTH(w) (1 << ((w) - 1))
+/* fontwidths w1-w2 inclusive are supported by dispsw */
+#define FONTWIDTHRANGE(w1,w2) (FONTWIDTH(w2+1) - FONTWIDTH(w1))
+
+#define fontwidth(p) ((p)->_fontwidth)
+#define fontwidthlog(p) ((p)->_fontwidthlog)
+
+#endif
+
+ /*
+ * Attribute Decoding
+ */
+
+/* Color */
+#define attr_fgcol(p,s) \
+ (((s) >> ((p)->fgshift)) & 0x0f)
+#define attr_bgcol(p,s) \
+ (((s) >> ((p)->bgshift)) & 0x0f)
+#define attr_bgcol_ec(p,conp) \
+ ((conp) ? (((conp)->vc_video_erase_char >> ((p)->bgshift)) & 0x0f) : 0)
+
+/* Monochrome */
+#define attr_bold(p,s) \
+ ((s) & 0x200)
+#define attr_reverse(p,s) \
+ (((s) & 0x800) ^ ((p)->inverse ? 0x800 : 0))
+#define attr_underline(p,s) \
+ ((s) & 0x400)
+#define attr_blink(p,s) \
+ ((s) & 0x8000)
+
+ /*
+ * Scroll Method
+ */
+
+/* Internal flags */
+#define __SCROLL_YPAN 0x001
+#define __SCROLL_YWRAP 0x002
+#define __SCROLL_YMOVE 0x003
+#define __SCROLL_YREDRAW 0x004
+#define __SCROLL_YMASK 0x00f
+#define __SCROLL_YFIXED 0x010
+#define __SCROLL_YNOMOVE 0x020
+#define __SCROLL_YPANREDRAW 0x040
+#define __SCROLL_YNOPARTIAL 0x080
+
+/* Only these should be used by the drivers */
+/* Which one should you use? If you have a fast card and slow bus,
+ then probably just 0 to indicate fbcon should choose between
+ YWRAP/YPAN+MOVE/YMOVE. On the other side, if you have a fast bus
+ and even better if your card can do fonting (1->8/32bit painting),
+ you should consider either SCROLL_YREDRAW (if your card is
+ able to do neither YPAN/YWRAP), or SCROLL_YNOMOVE.
+ The best is to test it with some real life scrolling (usually, not
+ all lines on the screen are filled completely with non-space characters,
+ and REDRAW performs much better on such lines, so don't cat a file
+ with every line covering all screen columns, it would not be the right
+ benchmark).
+ */
+#define SCROLL_YREDRAW (__SCROLL_YFIXED|__SCROLL_YREDRAW)
+#define SCROLL_YNOMOVE (__SCROLL_YNOMOVE|__SCROLL_YPANREDRAW)
+
+/* SCROLL_YNOPARTIAL, used in combination with the above, is for video
+ cards which can not handle using panning to scroll a portion of the
+ screen without excessive flicker. Panning will only be used for
+ whole screens.
+ */
+/* Namespace consistency */
+#define SCROLL_YNOPARTIAL __SCROLL_YNOPARTIAL
+
+
+#if defined(__i386__) || defined(__alpha__) || \
+ defined(__x86_64__) || defined(__hppa__) || \
+ defined(__powerpc64__)
+
+#define fb_readb __raw_readb
+#define fb_readw __raw_readw
+#define fb_readl __raw_readl
+#define fb_writeb __raw_writeb
+#define fb_writew __raw_writew
+#define fb_writel __raw_writel
+#define fb_memset memset_io
+
+#else
+
+#define fb_readb(addr) (*(volatile u8 *) (addr))
+#define fb_readw(addr) (*(volatile u16 *) (addr))
+#define fb_readl(addr) (*(volatile u32 *) (addr))
+#define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b))
+#define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b))
+#define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b))
+#define fb_memset memset
+
+#endif
+
+#endif /* _VIDEO_FBCON_H */
diff --git a/src/drivers/emulation/qemu/init.c b/src/drivers/emulation/qemu/init.c
new file mode 100644
index 0000000000..88fa5aeb75
--- /dev/null
+++ b/src/drivers/emulation/qemu/init.c
@@ -0,0 +1,90 @@
+#include <delay.h>
+#include <stdlib.h>
+#include <string.h>
+#include <arch/io.h>
+
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+
+#if CONFIG_CONSOLE_BTEXT==1
+
+#define PLL_CRTC_DECODE 0
+#define SUPPORT_8_BPP_ABOVE 0
+
+#include "fb.h"
+#include "fbcon.h"
+
+#include <console/btext.h>
+
+#endif /*CONFIG_CONSOLE_BTEXT*/
+
+
+/* VGA init. We use the Bochs VESA VBE extensions */
+#define VBE_DISPI_INDEX_ID 0x0
+#define VBE_DISPI_INDEX_XRES 0x1
+#define VBE_DISPI_INDEX_YRES 0x2
+#define VBE_DISPI_INDEX_BPP 0x3
+#define VBE_DISPI_INDEX_ENABLE 0x4
+#define VBE_DISPI_INDEX_BANK 0x5
+#define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
+#define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
+#define VBE_DISPI_INDEX_X_OFFSET 0x8
+#define VBE_DISPI_INDEX_Y_OFFSET 0x9
+#define VBE_DISPI_INDEX_NB 0xa
+
+#define VBE_DISPI_ID0 0xB0C0
+#define VBE_DISPI_ID1 0xB0C1
+#define VBE_DISPI_ID2 0xB0C2
+
+#define VBE_DISPI_DISABLED 0x00
+#define VBE_DISPI_ENABLED 0x01
+#define VBE_DISPI_LFB_ENABLED 0x40
+#define VBE_DISPI_NOCLEARMEM 0x80
+
+#define VBE_DISPI_LFB_PHYSICAL_ADDRESS 0xE0000000
+
+static void vbe_outw(int index, int val)
+{
+ outw(0x1ce, index);
+ outw(0x1cf, val);
+}
+
+static void qemu_init(void)
+{
+ int width=640, height=480, depth=8;
+
+ printk_debug("Initializing VGA!\n");
+
+ vbe_outw(VBE_DISPI_INDEX_XRES, width);
+ vbe_outw(VBE_DISPI_INDEX_YRES, height);
+ vbe_outw(VBE_DISPI_INDEX_BPP, depth);
+ vbe_outw(VBE_DISPI_INDEX_ENABLE, VBE_DISPI_ENABLED);
+ outb(0x3c0, 0x20); /* disable blanking */
+/*
+ vga_fb_phys_addr = VBE_DISPI_LFB_PHYSICAL_ADDRESS;
+ vga_fb_width = width;
+ vga_fb_height = height;
+ vga_fb_depth = depth;
+ vga_fb_bpp = (depth + 7) >> 3;
+ vga_fb_linesize = width * vga_fb_bpp;
+ */
+}
+
+static struct device_operations qemu_graph_ops = {
+ .read_resources = pci_dev_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .enable_resources = pci_dev_enable_resources,
+ .init = qemu_init,
+ .scan_bus = 0,
+};
+
+static struct pci_driver qemu_graph_driver __pci_driver = {
+ .ops = &qemu_graph_ops,
+ .vendor = 0x1234,
+ .device = 0x1111,
+};
+
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-28 23:11:25 +0000