Adding qemu as a submodule of KVMFORNFV

This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>

1 files changed, 0 insertions, 1182 deletions

diff --git a/qemu/roms/seabios/vgasrc/vgabios.c b/qemu/roms/seabios/vgasrc/vgabios.c
deleted file mode 100644
index f07e85bd3..000000000
--- a/qemu/roms/seabios/vgasrc/vgabios.c
+++ /dev/null
@@ -1,1182 +0,0 @@
-// VGA bios implementation
-//
-// Copyright (C) 2009-2013  Kevin O'Connor <kevin@koconnor.net>
-// Copyright (C) 2001-2008 the LGPL VGABios developers Team
-//
-// This file may be distributed under the terms of the GNU LGPLv3 license.
-
-#include "biosvar.h" // GET_BDA
-#include "bregs.h" // struct bregs
-#include "clext.h" // clext_1012
-#include "config.h" // CONFIG_*
-#include "output.h" // dprintf
-#include "std/vbe.h" // VBE_RETURN_STATUS_FAILED
-#include "stdvga.h" // stdvga_set_cursor_shape
-#include "string.h" // memset_far
-#include "vgabios.h" // calc_page_size
-#include "vgahw.h" // vgahw_set_mode
-
-
-/****************************************************************
- * Helper functions
- ****************************************************************/
-
-// Return the bits per pixel in system memory for a given mode.
-int
-vga_bpp(struct vgamode_s *vmode_g)
-{
-    switch (GET_GLOBAL(vmode_g->memmodel)) {
-    case MM_TEXT:
-        return 16;
-    case MM_PLANAR:
-        return 1;
-    }
-    u8 depth = GET_GLOBAL(vmode_g->depth);
-    if (depth > 8)
-        return ALIGN(depth, 8);
-    return depth;
-}
-
-u16
-calc_page_size(u8 memmodel, u16 width, u16 height)
-{
-    switch (memmodel) {
-    case MM_TEXT:
-        return ALIGN(width * height * 2, 2*1024);
-    case MM_CGA:
-        return 16*1024;
-    default:
-        return ALIGN(width * height / 8, 8*1024);
-    }
-}
-
-// Determine cursor shape (taking into account possible cursor scaling)
-u16
-get_cursor_shape(void)
-{
-    u16 cursor_type = GET_BDA(cursor_type);
-    u8 emulate_cursor = (GET_BDA(video_ctl) & 1) == 0;
-    if (!emulate_cursor)
-        return cursor_type;
-    u8 start = (cursor_type >> 8) & 0x3f;
-    u8 end = cursor_type & 0x1f;
-    u16 cheight = GET_BDA(char_height);
-    if (cheight <= 8 || end >= 8 || start >= 0x20)
-        return cursor_type;
-    if (end != (start + 1))
-        start = ((start + 1) * cheight / 8) - 1;
-    else
-        start = ((end + 1) * cheight / 8) - 2;
-    end = ((end + 1) * cheight / 8) - 1;
-    return (start << 8) | end;
-}
-
-static void
-set_cursor_shape(u16 cursor_type)
-{
-    vgafb_set_swcursor(0);
-    SET_BDA(cursor_type, cursor_type);
-    if (CONFIG_VGA_STDVGA_PORTS)
-        stdvga_set_cursor_shape(get_cursor_shape());
-}
-
-static void
-set_cursor_pos(struct cursorpos cp)
-{
-    u8 page = cp.page, x = cp.x, y = cp.y;
-
-    // Should not happen...
-    if (page > 7)
-        return;
-
-    vgafb_set_swcursor(0);
-
-    // Bios cursor pos
-    SET_BDA(cursor_pos[page], (y << 8) | x);
-
-    if (!CONFIG_VGA_STDVGA_PORTS)
-        return;
-
-    // Set the hardware cursor
-    u8 current = GET_BDA(video_page);
-    if (cp.page != current)
-        return;
-
-    // Calculate the memory address
-    stdvga_set_cursor_pos((int)text_address(cp));
-}
-
-struct cursorpos
-get_cursor_pos(u8 page)
-{
-    if (page == 0xff)
-        // special case - use current page
-        page = GET_BDA(video_page);
-    if (page > 7) {
-        struct cursorpos cp = { 0, 0, 0xfe };
-        return cp;
-    }
-    u16 xy = GET_BDA(cursor_pos[page]);
-    struct cursorpos cp = {xy, xy>>8, page};
-    return cp;
-}
-
-static void
-set_active_page(u8 page)
-{
-    if (page > 7)
-        return;
-
-    // Get the mode
-    struct vgamode_s *vmode_g = get_current_mode();
-    if (!vmode_g)
-        return;
-
-    vgafb_set_swcursor(0);
-
-    // Calculate memory address of start of page
-    struct cursorpos cp = {0, 0, page};
-    int address = (int)text_address(cp);
-    vgahw_set_displaystart(vmode_g, address);
-
-    // And change the BIOS page
-    SET_BDA(video_pagestart, address);
-    SET_BDA(video_page, page);
-
-    dprintf(1, "Set active page %02x address %04x\n", page, address);
-
-    // Display the cursor, now the page is active
-    set_cursor_pos(get_cursor_pos(page));
-}
-
-static void
-set_scan_lines(u8 lines)
-{
-    stdvga_set_scan_lines(lines);
-    SET_BDA(char_height, lines);
-    u16 vde = stdvga_get_vde();
-    u8 rows = vde / lines;
-    SET_BDA(video_rows, rows - 1);
-    u16 cols = GET_BDA(video_cols);
-    SET_BDA(video_pagesize, calc_page_size(MM_TEXT, cols, rows));
-    if (lines == 8)
-        set_cursor_shape(0x0607);
-    else
-        set_cursor_shape(((lines - 3) << 8) | (lines - 2));
-}
-
-
-/****************************************************************
- * Character writing
- ****************************************************************/
-
-// Write a character to the screen and calculate new cursor position.
-static void
-write_char(struct cursorpos *pcp, struct carattr ca)
-{
-    vgafb_write_char(*pcp, ca);
-    pcp->x++;
-    // Do we need to wrap ?
-    if (pcp->x == GET_BDA(video_cols)) {
-        pcp->x = 0;
-        pcp->y++;
-    }
-}
-
-// Write a character to the screen at a given position.  Implement
-// special characters and scroll the screen if necessary.
-static void
-write_teletype(struct cursorpos *pcp, struct carattr ca)
-{
-    switch (ca.car) {
-    case 7:
-        //FIXME should beep
-        break;
-    case 8:
-        if (pcp->x > 0)
-            pcp->x--;
-        break;
-    case '\r':
-        pcp->x = 0;
-        break;
-    case '\n':
-        pcp->y++;
-        break;
-    default:
-        write_char(pcp, ca);
-        break;
-    }
-
-    // Do we need to scroll ?
-    u16 nbrows = GET_BDA(video_rows);
-    if (pcp->y > nbrows) {
-        pcp->y--;
-
-        struct cursorpos dest = {0, 0, pcp->page};
-        struct cursorpos src = {0, 1, pcp->page};
-        struct cursorpos size = {GET_BDA(video_cols), nbrows};
-        vgafb_move_chars(dest, src, size);
-
-        struct cursorpos clr = {0, nbrows, pcp->page};
-        struct carattr attr = {' ', 0, 0};
-        struct cursorpos clrsize = {GET_BDA(video_cols), 1};
-        vgafb_clear_chars(clr, attr, clrsize);
-    }
-}
-
-
-/****************************************************************
- * Save and restore bda state
- ****************************************************************/
-
-struct saveBDAstate {
-    u8 bda_0x49[28];
-    u8 bda_0x84[6];
-    u16 vbe_mode;
-    struct segoff_s font0;
-    struct segoff_s font1;
-};
-
-int
-bda_save_restore(int cmd, u16 seg, void *data)
-{
-    if (!(cmd & SR_BDA))
-        return 0;
-    struct saveBDAstate *info = data;
-    if (cmd & SR_SAVE) {
-        memcpy_far(seg, info->bda_0x49, SEG_BDA, (void*)0x49
-                   , sizeof(info->bda_0x49));
-        memcpy_far(seg, info->bda_0x84, SEG_BDA, (void*)0x84
-                   , sizeof(info->bda_0x84));
-        SET_FARVAR(seg, info->vbe_mode, GET_BDA_EXT(vbe_mode));
-        SET_FARVAR(seg, info->font0, GET_IVT(0x1f));
-        SET_FARVAR(seg, info->font1, GET_IVT(0x43));
-    }
-    if (cmd & SR_RESTORE) {
-        memcpy_far(SEG_BDA, (void*)0x49, seg, info->bda_0x49
-                   , sizeof(info->bda_0x49));
-        memcpy_far(SEG_BDA, (void*)0x84, seg, info->bda_0x84
-                   , sizeof(info->bda_0x84));
-        u16 vbe_mode = GET_FARVAR(seg, info->vbe_mode);
-        SET_BDA_EXT(vbe_mode, vbe_mode);
-        struct vgamode_s *vmode_g = vgahw_find_mode(vbe_mode & ~MF_VBEFLAGS);
-        SET_BDA_EXT(vgamode_offset, (u32)vmode_g);
-        SET_IVT(0x1f, GET_FARVAR(seg, info->font0));
-        SET_IVT(0x43, GET_FARVAR(seg, info->font1));
-    }
-    return sizeof(*info);
-}
-
-
-/****************************************************************
- * Mode setting
- ****************************************************************/
-
-struct vgamode_s *
-get_current_mode(void)
-{
-    return (void*)(GET_BDA_EXT(vgamode_offset)+0);
-}
-
-// Setup BDA after a mode switch.
-int
-vga_set_mode(int mode, int flags)
-{
-    dprintf(1, "set VGA mode %x\n", mode);
-    struct vgamode_s *vmode_g = vgahw_find_mode(mode);
-    if (!vmode_g)
-        return VBE_RETURN_STATUS_FAILED;
-
-    vgafb_set_swcursor(0);
-
-    int ret = vgahw_set_mode(vmode_g, flags);
-    if (ret)
-        return ret;
-
-    // Set the BIOS mem
-    int width = GET_GLOBAL(vmode_g->width);
-    int height = GET_GLOBAL(vmode_g->height);
-    u8 memmodel = GET_GLOBAL(vmode_g->memmodel);
-    int cheight = GET_GLOBAL(vmode_g->cheight);
-    if (mode < 0x100)
-        SET_BDA(video_mode, mode);
-    else
-        SET_BDA(video_mode, 0xff);
-    SET_BDA_EXT(vbe_mode, mode | (flags & MF_VBEFLAGS));
-    SET_BDA_EXT(vgamode_offset, (u32)vmode_g);
-    if (CONFIG_VGA_ALLOCATE_EXTRA_STACK)
-        // Disable extra stack if it appears a modern OS is in use.
-        // This works around bugs in some versions of Windows (Vista
-        // and possibly later) when the stack is in the e-segment.
-        MASK_BDA_EXT(flags, BF_EXTRA_STACK
-                     , (flags & MF_LEGACY) ? BF_EXTRA_STACK : 0);
-    if (memmodel == MM_TEXT) {
-        SET_BDA(video_cols, width);
-        SET_BDA(video_rows, height-1);
-        SET_BDA(cursor_type, 0x0607);
-    } else {
-        int cwidth = GET_GLOBAL(vmode_g->cwidth);
-        SET_BDA(video_cols, width / cwidth);
-        SET_BDA(video_rows, (height / cheight) - 1);
-        SET_BDA(cursor_type, vga_emulate_text() ? 0x0607 : 0x0000);
-    }
-    SET_BDA(video_pagesize, calc_page_size(memmodel, width, height));
-    SET_BDA(crtc_address, CONFIG_VGA_STDVGA_PORTS ? stdvga_get_crtc() : 0);
-    SET_BDA(char_height, cheight);
-    SET_BDA(video_ctl, 0x60 | (flags & MF_NOCLEARMEM ? 0x80 : 0x00));
-    SET_BDA(video_switches, 0xF9);
-    SET_BDA(modeset_ctl, GET_BDA(modeset_ctl) & 0x7f);
-    int i;
-    for (i=0; i<8; i++)
-        SET_BDA(cursor_pos[i], 0x0000);
-    SET_BDA(video_pagestart, 0x0000);
-    SET_BDA(video_page, 0x00);
-
-    // Set the ints 0x1F and 0x43
-    SET_IVT(0x1f, SEGOFF(get_global_seg(), (u32)&vgafont8[128 * 8]));
-
-    switch (cheight) {
-    case 8:
-        SET_IVT(0x43, SEGOFF(get_global_seg(), (u32)vgafont8));
-        break;
-    case 14:
-        SET_IVT(0x43, SEGOFF(get_global_seg(), (u32)vgafont14));
-        break;
-    case 16:
-        SET_IVT(0x43, SEGOFF(get_global_seg(), (u32)vgafont16));
-        break;
-    }
-
-    return 0;
-}
-
-
-/****************************************************************
- * VGA int 10 handler
- ****************************************************************/
-
-static void
-handle_1000(struct bregs *regs)
-{
-    int mode = regs->al & 0x7f;
-
-    // Set regs->al
-    if (mode > 7)
-        regs->al = 0x20;
-    else if (mode == 6)
-        regs->al = 0x3f;
-    else
-        regs->al = 0x30;
-
-    int flags = MF_LEGACY | (GET_BDA(modeset_ctl) & (MF_NOPALETTE|MF_GRAYSUM));
-    if (regs->al & 0x80)
-        flags |= MF_NOCLEARMEM;
-
-    vga_set_mode(mode, flags);
-}
-
-static void
-handle_1001(struct bregs *regs)
-{
-    set_cursor_shape(regs->cx);
-}
-
-static void
-handle_1002(struct bregs *regs)
-{
-    struct cursorpos cp = {regs->dl, regs->dh, regs->bh};
-    set_cursor_pos(cp);
-}
-
-static void
-handle_1003(struct bregs *regs)
-{
-    regs->cx = GET_BDA(cursor_type);
-    struct cursorpos cp = get_cursor_pos(regs->bh);
-    regs->dl = cp.x;
-    regs->dh = cp.y;
-}
-
-// Read light pen pos (unimplemented)
-static void
-handle_1004(struct bregs *regs)
-{
-    debug_stub(regs);
-    regs->ax = regs->bx = regs->cx = regs->dx = 0;
-}
-
-static void
-handle_1005(struct bregs *regs)
-{
-    set_active_page(regs->al);
-}
-
-static void
-verify_scroll(struct bregs *regs, int dir)
-{
-    u8 ulx = regs->cl, uly = regs->ch, lrx = regs->dl, lry = regs->dh;
-    u16 nbrows = GET_BDA(video_rows) + 1;
-    if (lry >= nbrows)
-        lry = nbrows - 1;
-    u16 nbcols = GET_BDA(video_cols);
-    if (lrx >= nbcols)
-        lrx = nbcols - 1;
-    int wincols = lrx - ulx + 1, winrows = lry - uly + 1;
-    if (wincols <= 0 || winrows <= 0)
-        return;
-
-    u8 page = GET_BDA(video_page);
-    int clearlines = regs->al, movelines = winrows - clearlines;
-    if (!clearlines || movelines <= 0) {
-        // Clear whole area.
-        struct cursorpos clr = {ulx, uly, page};
-        struct carattr attr = {' ', regs->bh, 1};
-        struct cursorpos clrsize = {wincols, winrows};
-        vgafb_clear_chars(clr, attr, clrsize);
-        return;
-    }
-
-    if (dir > 0) {
-        // Normal scroll
-        struct cursorpos dest = {ulx, uly, page};
-        struct cursorpos src = {ulx, uly + clearlines, page};
-        struct cursorpos size = {wincols, movelines};
-        vgafb_move_chars(dest, src, size);
-
-        struct cursorpos clr = {ulx, uly + movelines, page};
-        struct carattr attr = {' ', regs->bh, 1};
-        struct cursorpos clrsize = {wincols, clearlines};
-        vgafb_clear_chars(clr, attr, clrsize);
-    } else {
-        // Scroll down
-        struct cursorpos dest = {ulx, uly + clearlines, page};
-        struct cursorpos src = {ulx, uly, page};
-        struct cursorpos size = {wincols, movelines};
-        vgafb_move_chars(dest, src, size);
-
-        struct cursorpos clr = {ulx, uly, page};
-        struct carattr attr = {' ', regs->bh, 1};
-        struct cursorpos clrsize = {wincols, clearlines};
-        vgafb_clear_chars(clr, attr, clrsize);
-    }
-}
-
-static void
-handle_1006(struct bregs *regs)
-{
-    verify_scroll(regs, 1);
-}
-
-static void
-handle_1007(struct bregs *regs)
-{
-    verify_scroll(regs, -1);
-}
-
-static void
-handle_1008(struct bregs *regs)
-{
-    struct carattr ca = vgafb_read_char(get_cursor_pos(regs->bh));
-    regs->al = ca.car;
-    regs->ah = ca.attr;
-}
-
-static void noinline
-handle_1009(struct bregs *regs)
-{
-    struct carattr ca = {regs->al, regs->bl, 1};
-    struct cursorpos cp = get_cursor_pos(regs->bh);
-    int count = regs->cx;
-    while (count--)
-        write_char(&cp, ca);
-}
-
-static void noinline
-handle_100a(struct bregs *regs)
-{
-    struct carattr ca = {regs->al, regs->bl, 0};
-    struct cursorpos cp = get_cursor_pos(regs->bh);
-    int count = regs->cx;
-    while (count--)
-        write_char(&cp, ca);
-}
-
-
-static void
-handle_100b00(struct bregs *regs)
-{
-    stdvga_set_border_color(regs->bl);
-}
-
-static void
-handle_100b01(struct bregs *regs)
-{
-    stdvga_set_palette(regs->bl);
-}
-
-static void
-handle_100bXX(struct bregs *regs)
-{
-    debug_stub(regs);
-}
-
-static void
-handle_100b(struct bregs *regs)
-{
-    if (!CONFIG_VGA_STDVGA_PORTS) {
-        handle_100bXX(regs);
-        return;
-    }
-    switch (regs->bh) {
-    case 0x00: handle_100b00(regs); break;
-    case 0x01: handle_100b01(regs); break;
-    default:   handle_100bXX(regs); break;
-    }
-}
-
-
-static void
-handle_100c(struct bregs *regs)
-{
-    // XXX - page (regs->bh) is unused
-    vgafb_write_pixel(regs->al, regs->cx, regs->dx);
-}
-
-static void
-handle_100d(struct bregs *regs)
-{
-    // XXX - page (regs->bh) is unused
-    regs->al = vgafb_read_pixel(regs->cx, regs->dx);
-}
-
-static void noinline
-handle_100e(struct bregs *regs)
-{
-    // Ralf Brown Interrupt list is WRONG on bh(page)
-    // We do output only on the current page !
-    struct carattr ca = {regs->al, regs->bl, 0};
-    struct cursorpos cp = get_cursor_pos(0xff);
-    write_teletype(&cp, ca);
-    set_cursor_pos(cp);
-}
-
-static void
-handle_100f(struct bregs *regs)
-{
-    regs->bh = GET_BDA(video_page);
-    regs->al = GET_BDA(video_mode) | (GET_BDA(video_ctl) & 0x80);
-    regs->ah = GET_BDA(video_cols);
-}
-
-
-static void
-handle_101000(struct bregs *regs)
-{
-    if (regs->bl > 0x14)
-        return;
-    stdvga_attr_write(regs->bl, regs->bh);
-}
-
-static void
-handle_101001(struct bregs *regs)
-{
-    stdvga_set_overscan_border_color(regs->bh);
-}
-
-static void
-handle_101002(struct bregs *regs)
-{
-    stdvga_set_all_palette_reg(regs->es, (u8*)(regs->dx + 0));
-}
-
-static void
-handle_101003(struct bregs *regs)
-{
-    stdvga_toggle_intensity(regs->bl);
-}
-
-static void
-handle_101007(struct bregs *regs)
-{
-    if (regs->bl > 0x14)
-        return;
-    regs->bh = stdvga_attr_read(regs->bl);
-}
-
-static void
-handle_101008(struct bregs *regs)
-{
-    regs->bh = stdvga_get_overscan_border_color();
-}
-
-static void
-handle_101009(struct bregs *regs)
-{
-    stdvga_get_all_palette_reg(regs->es, (u8*)(regs->dx + 0));
-}
-
-static void noinline
-handle_101010(struct bregs *regs)
-{
-    u8 rgb[3] = {regs->dh, regs->ch, regs->cl};
-    stdvga_dac_write(GET_SEG(SS), rgb, regs->bx, 1);
-}
-
-static void
-handle_101012(struct bregs *regs)
-{
-    stdvga_dac_write(regs->es, (u8*)(regs->dx + 0), regs->bx, regs->cx);
-}
-
-static void
-handle_101013(struct bregs *regs)
-{
-    stdvga_select_video_dac_color_page(regs->bl, regs->bh);
-}
-
-static void noinline
-handle_101015(struct bregs *regs)
-{
-    u8 rgb[3];
-    stdvga_dac_read(GET_SEG(SS), rgb, regs->bx, 1);
-    regs->dh = rgb[0];
-    regs->ch = rgb[1];
-    regs->cl = rgb[2];
-}
-
-static void
-handle_101017(struct bregs *regs)
-{
-    stdvga_dac_read(regs->es, (u8*)(regs->dx + 0), regs->bx, regs->cx);
-}
-
-static void
-handle_101018(struct bregs *regs)
-{
-    stdvga_pelmask_write(regs->bl);
-}
-
-static void
-handle_101019(struct bregs *regs)
-{
-    regs->bl = stdvga_pelmask_read();
-}
-
-static void
-handle_10101a(struct bregs *regs)
-{
-    stdvga_read_video_dac_state(&regs->bl, &regs->bh);
-}
-
-static void
-handle_10101b(struct bregs *regs)
-{
-    stdvga_perform_gray_scale_summing(regs->bx, regs->cx);
-}
-
-static void
-handle_1010XX(struct bregs *regs)
-{
-    debug_stub(regs);
-}
-
-static void
-handle_1010(struct bregs *regs)
-{
-    if (!CONFIG_VGA_STDVGA_PORTS) {
-        handle_1010XX(regs);
-        return;
-    }
-    switch (regs->al) {
-    case 0x00: handle_101000(regs); break;
-    case 0x01: handle_101001(regs); break;
-    case 0x02: handle_101002(regs); break;
-    case 0x03: handle_101003(regs); break;
-    case 0x07: handle_101007(regs); break;
-    case 0x08: handle_101008(regs); break;
-    case 0x09: handle_101009(regs); break;
-    case 0x10: handle_101010(regs); break;
-    case 0x12: handle_101012(regs); break;
-    case 0x13: handle_101013(regs); break;
-    case 0x15: handle_101015(regs); break;
-    case 0x17: handle_101017(regs); break;
-    case 0x18: handle_101018(regs); break;
-    case 0x19: handle_101019(regs); break;
-    case 0x1a: handle_10101a(regs); break;
-    case 0x1b: handle_10101b(regs); break;
-    default:   handle_1010XX(regs); break;
-    }
-}
-
-
-static void
-handle_101100(struct bregs *regs)
-{
-    stdvga_load_font(regs->es, (void*)(regs->bp+0), regs->cx
-                     , regs->dx, regs->bl, regs->bh);
-}
-
-static void
-handle_101101(struct bregs *regs)
-{
-    stdvga_load_font(get_global_seg(), vgafont14, 0x100, 0, regs->bl, 14);
-}
-
-static void
-handle_101102(struct bregs *regs)
-{
-    stdvga_load_font(get_global_seg(), vgafont8, 0x100, 0, regs->bl, 8);
-}
-
-static void
-handle_101103(struct bregs *regs)
-{
-    stdvga_set_text_block_specifier(regs->bl);
-}
-
-static void
-handle_101104(struct bregs *regs)
-{
-    stdvga_load_font(get_global_seg(), vgafont16, 0x100, 0, regs->bl, 16);
-}
-
-static void
-handle_101110(struct bregs *regs)
-{
-    stdvga_load_font(regs->es, (void*)(regs->bp+0), regs->cx
-                     , regs->dx, regs->bl, regs->bh);
-    set_scan_lines(regs->bh);
-}
-
-static void
-handle_101111(struct bregs *regs)
-{
-    stdvga_load_font(get_global_seg(), vgafont14, 0x100, 0, regs->bl, 14);
-    set_scan_lines(14);
-}
-
-static void
-handle_101112(struct bregs *regs)
-{
-    stdvga_load_font(get_global_seg(), vgafont8, 0x100, 0, regs->bl, 8);
-    set_scan_lines(8);
-}
-
-static void
-handle_101114(struct bregs *regs)
-{
-    stdvga_load_font(get_global_seg(), vgafont16, 0x100, 0, regs->bl, 16);
-    set_scan_lines(16);
-}
-
-static void
-handle_101120(struct bregs *regs)
-{
-    SET_IVT(0x1f, SEGOFF(regs->es, regs->bp));
-}
-
-void
-load_gfx_font(u16 seg, u16 off, u8 height, u8 bl, u8 dl)
-{
-    u8 rows;
-
-    SET_IVT(0x43, SEGOFF(seg, off));
-    switch(bl) {
-    case 0:
-        rows = dl;
-        break;
-    case 1:
-        rows = 14;
-        break;
-    case 3:
-        rows = 43;
-        break;
-    case 2:
-    default:
-        rows = 25;
-        break;
-    }
-    SET_BDA(video_rows, rows - 1);
-    SET_BDA(char_height, height);
-}
-
-static void
-handle_101121(struct bregs *regs)
-{
-    load_gfx_font(regs->es, regs->bp, regs->cx, regs->bl, regs->dl);
-}
-
-static void
-handle_101122(struct bregs *regs)
-{
-    load_gfx_font(get_global_seg(), (u32)vgafont14, 14, regs->bl, regs->dl);
-}
-
-static void
-handle_101123(struct bregs *regs)
-{
-    load_gfx_font(get_global_seg(), (u32)vgafont8, 8, regs->bl, regs->dl);
-}
-
-static void
-handle_101124(struct bregs *regs)
-{
-    load_gfx_font(get_global_seg(), (u32)vgafont16, 16, regs->bl, regs->dl);
-}
-
-static void
-handle_101130(struct bregs *regs)
-{
-    switch (regs->bh) {
-    case 0x00: {
-        struct segoff_s so = GET_IVT(0x1f);
-        regs->es = so.seg;
-        regs->bp = so.offset;
-        break;
-    }
-    case 0x01: {
-        struct segoff_s so = GET_IVT(0x43);
-        regs->es = so.seg;
-        regs->bp = so.offset;
-        break;
-    }
-    case 0x02:
-        regs->es = get_global_seg();
-        regs->bp = (u32)vgafont14;
-        break;
-    case 0x03:
-        regs->es = get_global_seg();
-        regs->bp = (u32)vgafont8;
-        break;
-    case 0x04:
-        regs->es = get_global_seg();
-        regs->bp = (u32)vgafont8 + 128 * 8;
-        break;
-    case 0x05:
-        regs->es = get_global_seg();
-        regs->bp = (u32)vgafont14alt;
-        break;
-    case 0x06:
-        regs->es = get_global_seg();
-        regs->bp = (u32)vgafont16;
-        break;
-    case 0x07:
-        regs->es = get_global_seg();
-        regs->bp = (u32)vgafont16alt;
-        break;
-    default:
-        dprintf(1, "Get font info BH(%02x) was discarded\n", regs->bh);
-        return;
-    }
-    // Set byte/char of on screen font
-    regs->cx = GET_BDA(char_height) & 0xff;
-
-    // Set Highest char row
-    regs->dl = GET_BDA(video_rows);
-}
-
-static void
-handle_1011XX(struct bregs *regs)
-{
-    debug_stub(regs);
-}
-
-static void
-handle_1011(struct bregs *regs)
-{
-    if (CONFIG_VGA_STDVGA_PORTS) {
-        switch (regs->al) {
-        case 0x00: handle_101100(regs); return;
-        case 0x01: handle_101101(regs); return;
-        case 0x02: handle_101102(regs); return;
-        case 0x03: handle_101103(regs); return;
-        case 0x04: handle_101104(regs); return;
-        case 0x10: handle_101110(regs); return;
-        case 0x11: handle_101111(regs); return;
-        case 0x12: handle_101112(regs); return;
-        case 0x14: handle_101114(regs); return;
-        }
-    }
-    switch (regs->al) {
-    case 0x30: handle_101130(regs); break;
-    case 0x20: handle_101120(regs); break;
-    case 0x21: handle_101121(regs); break;
-    case 0x22: handle_101122(regs); break;
-    case 0x23: handle_101123(regs); break;
-    case 0x24: handle_101124(regs); break;
-    default:   handle_1011XX(regs); break;
-    }
-}
-
-
-static void
-handle_101210(struct bregs *regs)
-{
-    u16 crtc_addr = GET_BDA(crtc_address);
-    if (crtc_addr == VGAREG_MDA_CRTC_ADDRESS)
-        regs->bx = 0x0103;
-    else
-        regs->bx = 0x0003;
-    regs->cx = GET_BDA(video_switches) & 0x0f;
-}
-
-static void
-handle_101230(struct bregs *regs)
-{
-    u8 mctl = GET_BDA(modeset_ctl);
-    u8 vswt = GET_BDA(video_switches);
-    switch (regs->al) {
-    case 0x00:
-        // 200 lines
-        mctl = (mctl & ~0x10) | 0x80;
-        vswt = (vswt & ~0x0f) | 0x08;
-        break;
-    case 0x01:
-        // 350 lines
-        mctl &= ~0x90;
-        vswt = (vswt & ~0x0f) | 0x09;
-        break;
-    case 0x02:
-        // 400 lines
-        mctl = (mctl & ~0x80) | 0x10;
-        vswt = (vswt & ~0x0f) | 0x09;
-        break;
-    default:
-        dprintf(1, "Select vert res (%02x) was discarded\n", regs->al);
-        break;
-    }
-    SET_BDA(modeset_ctl, mctl);
-    SET_BDA(video_switches, vswt);
-    regs->al = 0x12;
-}
-
-static void
-handle_101231(struct bregs *regs)
-{
-    u8 v = (regs->al & 0x01) << 3;
-    u8 mctl = GET_BDA(video_ctl) & ~0x08;
-    SET_BDA(video_ctl, mctl | v);
-    regs->al = 0x12;
-}
-
-static void
-handle_101232(struct bregs *regs)
-{
-    if (CONFIG_VGA_STDVGA_PORTS) {
-        stdvga_enable_video_addressing(regs->al);
-        regs->al = 0x12;
-    }
-}
-
-static void
-handle_101233(struct bregs *regs)
-{
-    u8 v = ((regs->al << 1) & 0x02) ^ 0x02;
-    u8 v2 = GET_BDA(modeset_ctl) & ~0x02;
-    SET_BDA(modeset_ctl, v | v2);
-    regs->al = 0x12;
-}
-
-static void
-handle_101234(struct bregs *regs)
-{
-    SET_BDA(video_ctl, (GET_BDA(video_ctl) & ~0x01) | (regs->al & 0x01));
-    regs->al = 0x12;
-}
-
-static void
-handle_101235(struct bregs *regs)
-{
-    debug_stub(regs);
-    regs->al = 0x12;
-}
-
-static void
-handle_101236(struct bregs *regs)
-{
-    debug_stub(regs);
-    regs->al = 0x12;
-}
-
-static void
-handle_1012XX(struct bregs *regs)
-{
-    debug_stub(regs);
-}
-
-static void
-handle_1012(struct bregs *regs)
-{
-    if (CONFIG_VGA_CIRRUS && regs->bl >= 0x80) {
-        clext_1012(regs);
-        return;
-    }
-
-    switch (regs->bl) {
-    case 0x10: handle_101210(regs); break;
-    case 0x30: handle_101230(regs); break;
-    case 0x31: handle_101231(regs); break;
-    case 0x32: handle_101232(regs); break;
-    case 0x33: handle_101233(regs); break;
-    case 0x34: handle_101234(regs); break;
-    case 0x35: handle_101235(regs); break;
-    case 0x36: handle_101236(regs); break;
-    default:   handle_1012XX(regs); break;
-    }
-}
-
-
-// Write string
-static void noinline
-handle_1013(struct bregs *regs)
-{
-    struct cursorpos cp;
-    if (regs->dh == 0xff)
-        // if row=0xff special case : use current cursor position
-        cp = get_cursor_pos(regs->bh);
-    else
-        cp = (struct cursorpos) {regs->dl, regs->dh, regs->bh};
-
-    u16 count = regs->cx;
-    u8 *offset_far = (void*)(regs->bp + 0);
-    u8 attr = regs->bl;
-    while (count--) {
-        u8 car = GET_FARVAR(regs->es, *offset_far);
-        offset_far++;
-        if (regs->al & 2) {
-            attr = GET_FARVAR(regs->es, *offset_far);
-            offset_far++;
-        }
-
-        struct carattr ca = {car, attr, 1};
-        write_teletype(&cp, ca);
-    }
-
-    if (regs->al & 1)
-        set_cursor_pos(cp);
-}
-
-
-static void
-handle_101a00(struct bregs *regs)
-{
-    regs->bx = GET_BDA(dcc_index);
-    regs->al = 0x1a;
-}
-
-static void
-handle_101a01(struct bregs *regs)
-{
-    SET_BDA(dcc_index, regs->bl);
-    dprintf(1, "Alternate Display code (%02x) was discarded\n", regs->bh);
-    regs->al = 0x1a;
-}
-
-static void
-handle_101aXX(struct bregs *regs)
-{
-    debug_stub(regs);
-}
-
-static void
-handle_101a(struct bregs *regs)
-{
-    switch (regs->al) {
-    case 0x00: handle_101a00(regs); break;
-    case 0x01: handle_101a01(regs); break;
-    default:   handle_101aXX(regs); break;
-    }
-}
-
-
-struct video_func_static static_functionality VAR16 = {
-    .modes          = 0x00,   // Filled in by stdvga_build_video_param()
-    .scanlines      = 0x07,   // 200, 350, 400 scan lines
-    .cblocks        = 0x02,   // mamimum number of visible charsets in text mode
-    .active_cblocks = 0x08,   // total number of charset blocks in text mode
-    .misc_flags     = 0x0ce7,
-};
-
-static void
-handle_101b(struct bregs *regs)
-{
-    u16 seg = regs->es;
-    struct video_func_info *info = (void*)(regs->di+0);
-    memset_far(seg, info, 0, sizeof(*info));
-    // Address of static functionality table
-    SET_FARVAR(seg, info->static_functionality
-               , SEGOFF(get_global_seg(), (u32)&static_functionality));
-
-    // Hard coded copy from BIOS area. Should it be cleaner ?
-    memcpy_far(seg, info->bda_0x49, SEG_BDA, (void*)0x49
-               , sizeof(info->bda_0x49));
-    memcpy_far(seg, info->bda_0x84, SEG_BDA, (void*)0x84
-               , sizeof(info->bda_0x84));
-
-    SET_FARVAR(seg, info->dcc_index, GET_BDA(dcc_index));
-    SET_FARVAR(seg, info->colors, 16);
-    SET_FARVAR(seg, info->pages, 8);
-    SET_FARVAR(seg, info->scan_lines, 2);
-    SET_FARVAR(seg, info->video_mem, 3);
-    regs->al = 0x1B;
-}
-
-
-static void
-handle_101c(struct bregs *regs)
-{
-    u16 seg = regs->es;
-    void *data = (void*)(regs->bx+0);
-    u16 states = regs->cx;
-    u8 cmd = regs->al;
-    if (states & ~0x07 || cmd > 2)
-        goto fail;
-    int ret = vgahw_save_restore(states | (cmd<<8), seg, data);
-    if (ret < 0)
-        goto fail;
-    if (cmd == 0)
-        regs->bx = ret / 64;
-    regs->al = 0x1c;
-fail:
-    return;
-}
-
-static void
-handle_10XX(struct bregs *regs)
-{
-    debug_stub(regs);
-}
-
-// INT 10h Video Support Service Entry Point
-void VISIBLE16
-handle_10(struct bregs *regs)
-{
-    debug_enter(regs, DEBUG_VGA_10);
-    switch (regs->ah) {
-    case 0x00: handle_1000(regs); break;
-    case 0x01: handle_1001(regs); break;
-    case 0x02: handle_1002(regs); break;
-    case 0x03: handle_1003(regs); break;
-    case 0x04: handle_1004(regs); break;
-    case 0x05: handle_1005(regs); break;
-    case 0x06: handle_1006(regs); break;
-    case 0x07: handle_1007(regs); break;
-    case 0x08: handle_1008(regs); break;
-    case 0x09: handle_1009(regs); break;
-    case 0x0a: handle_100a(regs); break;
-    case 0x0b: handle_100b(regs); break;
-    case 0x0c: handle_100c(regs); break;
-    case 0x0d: handle_100d(regs); break;
-    case 0x0e: handle_100e(regs); break;
-    case 0x0f: handle_100f(regs); break;
-    case 0x10: handle_1010(regs); break;
-    case 0x11: handle_1011(regs); break;
-    case 0x12: handle_1012(regs); break;
-    case 0x13: handle_1013(regs); break;
-    case 0x1a: handle_101a(regs); break;
-    case 0x1b: handle_101b(regs); break;
-    case 0x1c: handle_101c(regs); break;
-    case 0x4f: handle_104f(regs); break;
-    default:   handle_10XX(regs); break;
-    }
-}