From bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 Mon Sep 17 00:00:00 2001 From: RajithaY Date: Tue, 25 Apr 2017 03:31:15 -0700 Subject: 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 --- qemu/roms/seabios/vgasrc/vgabios.c | 1182 ------------------------------------ 1 file changed, 1182 deletions(-) delete mode 100644 qemu/roms/seabios/vgasrc/vgabios.c (limited to 'qemu/roms/seabios/vgasrc/vgabios.c') 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 -// 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(®s->bl, ®s->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; - } -} -- cgit 1.2.3-korg