+++ /dev/null
-/*
- * Maru vga device
- * Based on qemu/hw/vga.c
- *
- * Copyright (C) 2011 - 2013 Samsung Electronics Co., Ltd. All rights reserved.
- *
- * Contact:
- * JinHyung Jo <jinhyung.jo@samsung.com>
- * GiWoong Kim <giwoong.kim@samsung.com>
- * YeongKyoon Lee <yeongkyoon.lee@samsung.com>
- * HyunJun Son
- *
- * 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; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- * Contributors:
- * - S-Core Co., Ltd
- *
- */
-
-#include "hw/hw.h"
-#include "display/vga.h"
-#include "ui/console.h"
-#include "hw/i386/pc.h"
-#include "hw/pci/pci.h"
-#include "display/vga_int.h"
-#include "ui/pixel_ops.h"
-#include "qemu/timer.h"
-#include "hw/xen/xen.h"
-#include "trace.h"
-
-#include <pthread.h>
-
-#define MARU_VGA
-#include "maru_common.h"
-#include "maru_vga_int.h"
-#include "debug_ch.h"
-
-MULTI_DEBUG_CHANNEL(qemu, maru_vga);
-
-//#define DEBUG_VGA
-//#define DEBUG_VGA_MEM
-//#define DEBUG_VGA_REG
-
-//#define DEBUG_BOCHS_VBE
-
-/* 16 state changes per vertical frame @60 Hz */
-#define VGA_TEXT_CURSOR_PERIOD_MS (1000 * 2 * 16 / 60)
-
-#define cbswap_32(__x) \
-((uint32_t)( \
- (((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \
- (((uint32_t)(__x) & (uint32_t)0x0000ff00UL) << 8) | \
- (((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >> 8) | \
- (((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) ))
-
-#ifdef HOST_WORDS_BIGENDIAN
-#define PAT(x) cbswap_32(x)
-#else
-#define PAT(x) (x)
-#endif
-
-#ifdef HOST_WORDS_BIGENDIAN
-#define BIG 1
-#else
-#define BIG 0
-#endif
-
-#ifdef HOST_WORDS_BIGENDIAN
-#define GET_PLANE(data, p) (((data) >> (24 - (p) * 8)) & 0xff)
-#else
-#define GET_PLANE(data, p) (((data) >> ((p) * 8)) & 0xff)
-#endif
-
-static const uint32_t mask16[16] = {
- PAT(0x00000000),
- PAT(0x000000ff),
- PAT(0x0000ff00),
- PAT(0x0000ffff),
- PAT(0x00ff0000),
- PAT(0x00ff00ff),
- PAT(0x00ffff00),
- PAT(0x00ffffff),
- PAT(0xff000000),
- PAT(0xff0000ff),
- PAT(0xff00ff00),
- PAT(0xff00ffff),
- PAT(0xffff0000),
- PAT(0xffff00ff),
- PAT(0xffffff00),
- PAT(0xffffffff),
-};
-
-#undef PAT
-
-#ifdef HOST_WORDS_BIGENDIAN
-#define PAT(x) (x)
-#else
-#define PAT(x) cbswap_32(x)
-#endif
-
-static const uint32_t dmask16[16] = {
- PAT(0x00000000),
- PAT(0x000000ff),
- PAT(0x0000ff00),
- PAT(0x0000ffff),
- PAT(0x00ff0000),
- PAT(0x00ff00ff),
- PAT(0x00ffff00),
- PAT(0x00ffffff),
- PAT(0xff000000),
- PAT(0xff0000ff),
- PAT(0xff00ff00),
- PAT(0xff00ffff),
- PAT(0xffff0000),
- PAT(0xffff00ff),
- PAT(0xffffff00),
- PAT(0xffffffff),
-};
-
-static const uint32_t dmask4[4] = {
- PAT(0x00000000),
- PAT(0x0000ffff),
- PAT(0xffff0000),
- PAT(0xffffffff),
-};
-
-static uint32_t expand4[256];
-static uint16_t expand2[256];
-static uint8_t expand4to8[16];
-
-static void vga_dumb_update_retrace_info(VGACommonState *s)
-{
- (void) s;
-}
-
-static void vga_precise_update_retrace_info(VGACommonState *s)
-{
- int htotal_chars;
- int hretr_start_char;
- int hretr_skew_chars;
- int hretr_end_char;
-
- int vtotal_lines;
- int vretr_start_line;
- int vretr_end_line;
-
- int dots;
-#if 0
- int div2, sldiv2;
-#endif
- int clocking_mode;
- int clock_sel;
- const int clk_hz[] = {25175000, 28322000, 25175000, 25175000};
- int64_t chars_per_sec;
- struct vga_precise_retrace *r = &s->retrace_info.precise;
-
- htotal_chars = s->cr[VGA_CRTC_H_TOTAL] + 5;
- hretr_start_char = s->cr[VGA_CRTC_H_SYNC_START];
- hretr_skew_chars = (s->cr[VGA_CRTC_H_SYNC_END] >> 5) & 3;
- hretr_end_char = s->cr[VGA_CRTC_H_SYNC_END] & 0x1f;
-
- vtotal_lines = (s->cr[VGA_CRTC_V_TOTAL] |
- (((s->cr[VGA_CRTC_OVERFLOW] & 1) |
- ((s->cr[VGA_CRTC_OVERFLOW] >> 4) & 2)) << 8)) + 2;
- vretr_start_line = s->cr[VGA_CRTC_V_SYNC_START] |
- ((((s->cr[VGA_CRTC_OVERFLOW] >> 2) & 1) |
- ((s->cr[VGA_CRTC_OVERFLOW] >> 6) & 2)) << 8);
- vretr_end_line = s->cr[VGA_CRTC_V_SYNC_END] & 0xf;
-
- clocking_mode = (s->sr[VGA_SEQ_CLOCK_MODE] >> 3) & 1;
- clock_sel = (s->msr >> 2) & 3;
- dots = (s->msr & 1) ? 8 : 9;
-
- chars_per_sec = clk_hz[clock_sel] / dots;
-
- htotal_chars <<= clocking_mode;
-
- r->total_chars = vtotal_lines * htotal_chars;
- if (r->freq) {
- r->ticks_per_char = get_ticks_per_sec() / (r->total_chars * r->freq);
- } else {
- r->ticks_per_char = get_ticks_per_sec() / chars_per_sec;
- }
-
- r->vstart = vretr_start_line;
- r->vend = r->vstart + vretr_end_line + 1;
-
- r->hstart = hretr_start_char + hretr_skew_chars;
- r->hend = r->hstart + hretr_end_char + 1;
- r->htotal = htotal_chars;
-
-#if 0
- div2 = (s->cr[VGA_CRTC_MODE] >> 2) & 1;
- sldiv2 = (s->cr[VGA_CRTC_MODE] >> 3) & 1;
- printf (
- "hz=%f\n"
- "htotal = %d\n"
- "hretr_start = %d\n"
- "hretr_skew = %d\n"
- "hretr_end = %d\n"
- "vtotal = %d\n"
- "vretr_start = %d\n"
- "vretr_end = %d\n"
- "div2 = %d sldiv2 = %d\n"
- "clocking_mode = %d\n"
- "clock_sel = %d %d\n"
- "dots = %d\n"
- "ticks/char = %" PRId64 "\n"
- "\n",
- (double) get_ticks_per_sec() / (r->ticks_per_char * r->total_chars),
- htotal_chars,
- hretr_start_char,
- hretr_skew_chars,
- hretr_end_char,
- vtotal_lines,
- vretr_start_line,
- vretr_end_line,
- div2, sldiv2,
- clocking_mode,
- clock_sel,
- clk_hz[clock_sel],
- dots,
- r->ticks_per_char
- );
-#endif
-}
-
-static uint8_t vga_precise_retrace(VGACommonState *s)
-{
- struct vga_precise_retrace *r = &s->retrace_info.precise;
- uint8_t val = s->st01 & ~(ST01_V_RETRACE | ST01_DISP_ENABLE);
-
- if (r->total_chars) {
- int cur_line, cur_line_char, cur_char;
- int64_t cur_tick;
-
- cur_tick = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
-
- cur_char = (cur_tick / r->ticks_per_char) % r->total_chars;
- cur_line = cur_char / r->htotal;
-
- if (cur_line >= r->vstart && cur_line <= r->vend) {
- val |= ST01_V_RETRACE | ST01_DISP_ENABLE;
- } else {
- cur_line_char = cur_char % r->htotal;
- if (cur_line_char >= r->hstart && cur_line_char <= r->hend) {
- val |= ST01_DISP_ENABLE;
- }
- }
-
- return val;
- } else {
- return s->st01 ^ (ST01_V_RETRACE | ST01_DISP_ENABLE);
- }
-}
-
-static uint8_t vga_dumb_retrace(VGACommonState *s)
-{
- return s->st01 ^ (ST01_V_RETRACE | ST01_DISP_ENABLE);
-}
-
-typedef void maru_vga_draw_glyph8_func(uint8_t *d, int linesize,
- const uint8_t *font_ptr, int h,
- uint32_t fgcol, uint32_t bgcol);
-typedef void maru_vga_draw_glyph9_func(uint8_t *d, int linesize,
- const uint8_t *font_ptr, int h,
- uint32_t fgcol, uint32_t bgcol, int dup9);
-typedef void maru_vga_draw_line_func(VGACommonState *s1, uint8_t *d,
- const uint8_t *s, int width);
-
-#define DEPTH 8
-#include "maru_vga_template.h"
-
-#define DEPTH 15
-#include "maru_vga_template.h"
-
-#define BGR_FORMAT
-#define DEPTH 15
-#include "maru_vga_template.h"
-
-#define DEPTH 16
-#include "maru_vga_template.h"
-
-#define BGR_FORMAT
-#define DEPTH 16
-#include "maru_vga_template.h"
-
-#define DEPTH 32
-#include "maru_vga_template.h"
-
-#define BGR_FORMAT
-#define DEPTH 32
-#include "maru_vga_template.h"
-
-static unsigned int rgb_to_pixel8_dup(unsigned int r, unsigned int g, unsigned b)
-{
- unsigned int col;
- col = rgb_to_pixel8(r, g, b);
- col |= col << 8;
- col |= col << 16;
- return col;
-}
-
-static unsigned int rgb_to_pixel15_dup(unsigned int r, unsigned int g, unsigned b)
-{
- unsigned int col;
- col = rgb_to_pixel15(r, g, b);
- col |= col << 16;
- return col;
-}
-
-static unsigned int rgb_to_pixel15bgr_dup(unsigned int r, unsigned int g,
- unsigned int b)
-{
- unsigned int col;
- col = rgb_to_pixel15bgr(r, g, b);
- col |= col << 16;
- return col;
-}
-
-static unsigned int rgb_to_pixel16_dup(unsigned int r, unsigned int g, unsigned b)
-{
- unsigned int col;
- col = rgb_to_pixel16(r, g, b);
- col |= col << 16;
- return col;
-}
-
-static unsigned int rgb_to_pixel16bgr_dup(unsigned int r, unsigned int g,
- unsigned int b)
-{
- unsigned int col;
- col = rgb_to_pixel16bgr(r, g, b);
- col |= col << 16;
- return col;
-}
-
-static unsigned int rgb_to_pixel32_dup(unsigned int r, unsigned int g, unsigned b)
-{
- unsigned int col;
- col = rgb_to_pixel32(r, g, b);
- return col;
-}
-
-static unsigned int rgb_to_pixel32bgr_dup(unsigned int r, unsigned int g, unsigned b)
-{
- unsigned int col;
- col = rgb_to_pixel32bgr(r, g, b);
- return col;
-}
-
-/* return true if the palette was modified */
-static int update_palette16(VGACommonState *s)
-{
- int full_update, i;
- uint32_t v, col, *palette;
-
- full_update = 0;
- palette = s->last_palette;
- for(i = 0; i < 16; i++) {
- v = s->ar[i];
- if (s->ar[VGA_ATC_MODE] & 0x80) {
- v = ((s->ar[VGA_ATC_COLOR_PAGE] & 0xf) << 4) | (v & 0xf);
- } else {
- v = ((s->ar[VGA_ATC_COLOR_PAGE] & 0xc) << 4) | (v & 0x3f);
- }
- v = v * 3;
- col = s->rgb_to_pixel(c6_to_8(s->palette[v]),
- c6_to_8(s->palette[v + 1]),
- c6_to_8(s->palette[v + 2]));
- if (col != palette[i]) {
- full_update = 1;
- palette[i] = col;
- }
- }
- return full_update;
-}
-
-/* return true if the palette was modified */
-static int update_palette256(VGACommonState *s)
-{
- int full_update, i;
- uint32_t v, col, *palette;
-
- full_update = 0;
- palette = s->last_palette;
- v = 0;
- for(i = 0; i < 256; i++) {
- if (s->dac_8bit) {
- col = s->rgb_to_pixel(s->palette[v],
- s->palette[v + 1],
- s->palette[v + 2]);
- } else {
- col = s->rgb_to_pixel(c6_to_8(s->palette[v]),
- c6_to_8(s->palette[v + 1]),
- c6_to_8(s->palette[v + 2]));
- }
- if (col != palette[i]) {
- full_update = 1;
- palette[i] = col;
- }
- v += 3;
- }
- return full_update;
-}
-
-static void vga_get_offsets(VGACommonState *s,
- uint32_t *pline_offset,
- uint32_t *pstart_addr,
- uint32_t *pline_compare)
-{
- uint32_t start_addr, line_offset, line_compare;
-
- if (s->vbe_regs[VBE_DISPI_INDEX_ENABLE] & VBE_DISPI_ENABLED) {
- line_offset = s->vbe_line_offset;
- start_addr = s->vbe_start_addr;
- line_compare = 65535;
- } else {
- /* compute line_offset in bytes */
- line_offset = s->cr[VGA_CRTC_OFFSET];
- line_offset <<= 3;
-
- /* starting address */
- start_addr = s->cr[VGA_CRTC_START_LO] |
- (s->cr[VGA_CRTC_START_HI] << 8);
-
- /* line compare */
- line_compare = s->cr[VGA_CRTC_LINE_COMPARE] |
- ((s->cr[VGA_CRTC_OVERFLOW] & 0x10) << 4) |
- ((s->cr[VGA_CRTC_MAX_SCAN] & 0x40) << 3);
- }
- *pline_offset = line_offset;
- *pstart_addr = start_addr;
- *pline_compare = line_compare;
-}
-
-/* update start_addr and line_offset. Return TRUE if modified */
-static int update_basic_params(VGACommonState *s)
-{
- int full_update;
- uint32_t start_addr, line_offset, line_compare;
-
- full_update = 0;
-
- s->get_offsets(s, &line_offset, &start_addr, &line_compare);
-
- if (line_offset != s->line_offset ||
- start_addr != s->start_addr ||
- line_compare != s->line_compare) {
- s->line_offset = line_offset;
- s->start_addr = start_addr;
- s->line_compare = line_compare;
- full_update = 1;
- }
- return full_update;
-}
-
-#define NB_DEPTHS 7
-
-static inline int get_depth_index(DisplaySurface *s)
-{
- switch (surface_bits_per_pixel(s)) {
- default:
- case 8:
- return 0;
- case 15:
- return 1;
- case 16:
- return 2;
- case 32:
- if (is_surface_bgr(s)) {
- return 4;
- } else {
- return 3;
- }
- }
-}
-
-static maru_vga_draw_glyph8_func * const maru_vga_draw_glyph8_table[NB_DEPTHS] = {
- maru_vga_draw_glyph8_8,
- maru_vga_draw_glyph8_16,
- maru_vga_draw_glyph8_16,
- maru_vga_draw_glyph8_32,
- maru_vga_draw_glyph8_32,
- maru_vga_draw_glyph8_16,
- maru_vga_draw_glyph8_16,
-};
-
-static maru_vga_draw_glyph8_func * const maru_vga_draw_glyph16_table[NB_DEPTHS] = {
- maru_vga_draw_glyph16_8,
- maru_vga_draw_glyph16_16,
- maru_vga_draw_glyph16_16,
- maru_vga_draw_glyph16_32,
- maru_vga_draw_glyph16_32,
- maru_vga_draw_glyph16_16,
- maru_vga_draw_glyph16_16,
-};
-
-static maru_vga_draw_glyph9_func * const maru_vga_draw_glyph9_table[NB_DEPTHS] = {
- maru_vga_draw_glyph9_8,
- maru_vga_draw_glyph9_16,
- maru_vga_draw_glyph9_16,
- maru_vga_draw_glyph9_32,
- maru_vga_draw_glyph9_32,
- maru_vga_draw_glyph9_16,
- maru_vga_draw_glyph9_16,
-};
-
-static const uint8_t cursor_glyph[32 * 4] = {
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-};
-
-static void vga_get_text_resolution(VGACommonState *s, int *pwidth, int *pheight,
- int *pcwidth, int *pcheight)
-{
- int width, cwidth, height, cheight;
-
- /* total width & height */
- cheight = (s->cr[VGA_CRTC_MAX_SCAN] & 0x1f) + 1;
- cwidth = 8;
- if (!(s->sr[VGA_SEQ_CLOCK_MODE] & VGA_SR01_CHAR_CLK_8DOTS)) {
- cwidth = 9;
- }
- if (s->sr[VGA_SEQ_CLOCK_MODE] & 0x08) {
- cwidth = 16; /* NOTE: no 18 pixel wide */
- }
- width = (s->cr[VGA_CRTC_H_DISP] + 1);
- if (s->cr[VGA_CRTC_V_TOTAL] == 100) {
- /* ugly hack for CGA 160x100x16 - explain me the logic */
- height = 100;
- } else {
- height = s->cr[VGA_CRTC_V_DISP_END] |
- ((s->cr[VGA_CRTC_OVERFLOW] & 0x02) << 7) |
- ((s->cr[VGA_CRTC_OVERFLOW] & 0x40) << 3);
- height = (height + 1) / cheight;
- }
-
- *pwidth = width;
- *pheight = height;
- *pcwidth = cwidth;
- *pcheight = cheight;
-}
-
-typedef unsigned int rgb_to_pixel_dup_func(unsigned int r, unsigned int g, unsigned b);
-
-static rgb_to_pixel_dup_func * const rgb_to_pixel_dup_table[NB_DEPTHS] = {
- rgb_to_pixel8_dup,
- rgb_to_pixel15_dup,
- rgb_to_pixel16_dup,
- rgb_to_pixel32_dup,
- rgb_to_pixel32bgr_dup,
- rgb_to_pixel15bgr_dup,
- rgb_to_pixel16bgr_dup,
-};
-
-/*
- * Text mode update
- * Missing:
- * - double scan
- * - double width
- * - underline
- * - flashing
- */
-static void vga_draw_text(VGACommonState *s, int full_update)
-{
- DisplaySurface *surface = qemu_console_surface(s->con);
- int cx, cy, cheight, cw, ch, cattr, height, width, ch_attr;
- int cx_min, cx_max, linesize, x_incr, line, line1;
- uint32_t offset, fgcol, bgcol, v, cursor_offset;
- uint8_t *d1, *d, *src, *dest, *cursor_ptr;
- const uint8_t *font_ptr, *font_base[2];
- int dup9, line_offset, depth_index;
- uint32_t *palette;
- uint32_t *ch_attr_ptr;
- maru_vga_draw_glyph8_func *maru_vga_draw_glyph8;
- maru_vga_draw_glyph9_func *maru_vga_draw_glyph9;
- int64_t now = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL);
-
- /* compute font data address (in plane 2) */
- v = s->sr[VGA_SEQ_CHARACTER_MAP];
- offset = (((v >> 4) & 1) | ((v << 1) & 6)) * 8192 * 4 + 2;
- if (offset != s->font_offsets[0]) {
- s->font_offsets[0] = offset;
- full_update = 1;
- }
- font_base[0] = s->vram_ptr + offset;
-
- offset = (((v >> 5) & 1) | ((v >> 1) & 6)) * 8192 * 4 + 2;
- font_base[1] = s->vram_ptr + offset;
- if (offset != s->font_offsets[1]) {
- s->font_offsets[1] = offset;
- full_update = 1;
- }
- if (s->plane_updated & (1 << 2) || s->chain4_alias) {
- /* if the plane 2 was modified since the last display, it
- indicates the font may have been modified */
- s->plane_updated = 0;
- full_update = 1;
- }
- full_update |= update_basic_params(s);
-
- line_offset = s->line_offset;
-
- vga_get_text_resolution(s, &width, &height, &cw, &cheight);
- if ((height * width) <= 1) {
- /* better than nothing: exit if transient size is too small */
- return;
- }
- if ((height * width) > CH_ATTR_SIZE) {
- /* better than nothing: exit if transient size is too big */
- return;
- }
-
- if (width != s->last_width || height != s->last_height ||
- cw != s->last_cw || cheight != s->last_ch || s->last_depth) {
- s->last_scr_width = width * cw;
- s->last_scr_height = height * cheight;
- qemu_console_resize(s->con, s->last_scr_width, s->last_scr_height);
- surface = qemu_console_surface(s->con);
- dpy_text_resize(s->con, width, height);
- s->last_depth = 0;
- s->last_width = width;
- s->last_height = height;
- s->last_ch = cheight;
- s->last_cw = cw;
- full_update = 1;
- }
- s->rgb_to_pixel =
- rgb_to_pixel_dup_table[get_depth_index(surface)];
- full_update |= update_palette16(s);
- palette = s->last_palette;
- x_incr = cw * surface_bytes_per_pixel(surface);
-
- if (full_update) {
- s->full_update_text = 1;
- }
- if (s->full_update_gfx) {
- s->full_update_gfx = 0;
- full_update |= 1;
- }
-
- cursor_offset = ((s->cr[VGA_CRTC_CURSOR_HI] << 8) |
- s->cr[VGA_CRTC_CURSOR_LO]) - s->start_addr;
- if (cursor_offset != s->cursor_offset ||
- s->cr[VGA_CRTC_CURSOR_START] != s->cursor_start ||
- s->cr[VGA_CRTC_CURSOR_END] != s->cursor_end) {
- /* if the cursor position changed, we update the old and new
- chars */
- if (s->cursor_offset < CH_ATTR_SIZE)
- s->last_ch_attr[s->cursor_offset] = -1;
- if (cursor_offset < CH_ATTR_SIZE)
- s->last_ch_attr[cursor_offset] = -1;
- s->cursor_offset = cursor_offset;
- s->cursor_start = s->cr[VGA_CRTC_CURSOR_START];
- s->cursor_end = s->cr[VGA_CRTC_CURSOR_END];
- }
- cursor_ptr = s->vram_ptr + (s->start_addr + cursor_offset) * 4;
- if (now >= s->cursor_blink_time) {
- s->cursor_blink_time = now + VGA_TEXT_CURSOR_PERIOD_MS / 2;
- s->cursor_visible_phase = !s->cursor_visible_phase;
- }
-
- depth_index = get_depth_index(surface);
- if (cw == 16)
- maru_vga_draw_glyph8 = maru_vga_draw_glyph16_table[depth_index];
- else
- maru_vga_draw_glyph8 = maru_vga_draw_glyph8_table[depth_index];
- maru_vga_draw_glyph9 = maru_vga_draw_glyph9_table[depth_index];
-
- dest = surface_data(surface);
- linesize = surface_stride(surface);
- ch_attr_ptr = s->last_ch_attr;
- line = 0;
- offset = s->start_addr * 4;
- for(cy = 0; cy < height; cy++) {
- d1 = dest;
- src = s->vram_ptr + offset;
- cx_min = width;
- cx_max = -1;
- for(cx = 0; cx < width; cx++) {
- ch_attr = *(uint16_t *)src;
- if (full_update || ch_attr != *ch_attr_ptr || src == cursor_ptr) {
- if (cx < cx_min)
- cx_min = cx;
- if (cx > cx_max)
- cx_max = cx;
- *ch_attr_ptr = ch_attr;
-#ifdef HOST_WORDS_BIGENDIAN
- ch = ch_attr >> 8;
- cattr = ch_attr & 0xff;
-#else
- ch = ch_attr & 0xff;
- cattr = ch_attr >> 8;
-#endif
- font_ptr = font_base[(cattr >> 3) & 1];
- font_ptr += 32 * 4 * ch;
- bgcol = palette[cattr >> 4];
- fgcol = palette[cattr & 0x0f];
- if (cw != 9) {
- maru_vga_draw_glyph8(d1, linesize,
- font_ptr, cheight, fgcol, bgcol);
- } else {
- dup9 = 0;
- if (ch >= 0xb0 && ch <= 0xdf &&
- (s->ar[VGA_ATC_MODE] & 0x04)) {
- dup9 = 1;
- }
- maru_vga_draw_glyph9(d1, linesize,
- font_ptr, cheight, fgcol, bgcol, dup9);
- }
- if (src == cursor_ptr &&
- !(s->cr[VGA_CRTC_CURSOR_START] & 0x20) &&
- s->cursor_visible_phase) {
- int line_start, line_last, h;
- /* draw the cursor */
- line_start = s->cr[VGA_CRTC_CURSOR_START] & 0x1f;
- line_last = s->cr[VGA_CRTC_CURSOR_END] & 0x1f;
- /* XXX: check that */
- if (line_last > cheight - 1)
- line_last = cheight - 1;
- if (line_last >= line_start && line_start < cheight) {
- h = line_last - line_start + 1;
- d = d1 + linesize * line_start;
- if (cw != 9) {
- maru_vga_draw_glyph8(d, linesize,
- cursor_glyph, h, fgcol, bgcol);
- } else {
- maru_vga_draw_glyph9(d, linesize,
- cursor_glyph, h, fgcol, bgcol, 1);
- }
- }
- }
- }
- d1 += x_incr;
- src += 4;
- ch_attr_ptr++;
- }
- if (cx_max != -1) {
- dpy_gfx_update(s->con, cx_min * cw, cy * cheight,
- (cx_max - cx_min + 1) * cw, cheight);
- }
- dest += linesize * cheight;
- line1 = line + cheight;
- offset += line_offset;
- if (line < s->line_compare && line1 >= s->line_compare) {
- offset = 0;
- }
- line = line1;
- }
-}
-
-enum {
- maru_vga_draw_line2,
- maru_vga_draw_line2D2,
- maru_vga_draw_line4,
- maru_vga_draw_line4D2,
- maru_vga_draw_line8D2,
- maru_vga_draw_line8,
- maru_vga_draw_line15,
- maru_vga_draw_line16,
- maru_vga_draw_line24,
- maru_vga_draw_line32,
- maru_vga_draw_line_NB,
-};
-
-static maru_vga_draw_line_func * const maru_vga_draw_line_table[NB_DEPTHS * maru_vga_draw_line_NB] = {
- maru_vga_draw_line2_8,
- maru_vga_draw_line2_16,
- maru_vga_draw_line2_16,
- maru_vga_draw_line2_32,
- maru_vga_draw_line2_32,
- maru_vga_draw_line2_16,
- maru_vga_draw_line2_16,
-
- maru_vga_draw_line2d2_8,
- maru_vga_draw_line2d2_16,
- maru_vga_draw_line2d2_16,
- maru_vga_draw_line2d2_32,
- maru_vga_draw_line2d2_32,
- maru_vga_draw_line2d2_16,
- maru_vga_draw_line2d2_16,
-
- maru_vga_draw_line4_8,
- maru_vga_draw_line4_16,
- maru_vga_draw_line4_16,
- maru_vga_draw_line4_32,
- maru_vga_draw_line4_32,
- maru_vga_draw_line4_16,
- maru_vga_draw_line4_16,
-
- maru_vga_draw_line4d2_8,
- maru_vga_draw_line4d2_16,
- maru_vga_draw_line4d2_16,
- maru_vga_draw_line4d2_32,
- maru_vga_draw_line4d2_32,
- maru_vga_draw_line4d2_16,
- maru_vga_draw_line4d2_16,
-
- maru_vga_draw_line8d2_8,
- maru_vga_draw_line8d2_16,
- maru_vga_draw_line8d2_16,
- maru_vga_draw_line8d2_32,
- maru_vga_draw_line8d2_32,
- maru_vga_draw_line8d2_16,
- maru_vga_draw_line8d2_16,
-
- maru_vga_draw_line8_8,
- maru_vga_draw_line8_16,
- maru_vga_draw_line8_16,
- maru_vga_draw_line8_32,
- maru_vga_draw_line8_32,
- maru_vga_draw_line8_16,
- maru_vga_draw_line8_16,
-
- maru_vga_draw_line15_8,
- maru_vga_draw_line15_15,
- maru_vga_draw_line15_16,
- maru_vga_draw_line15_32,
- maru_vga_draw_line15_32bgr,
- maru_vga_draw_line15_15bgr,
- maru_vga_draw_line15_16bgr,
-
- maru_vga_draw_line16_8,
- maru_vga_draw_line16_15,
- maru_vga_draw_line16_16,
- maru_vga_draw_line16_32,
- maru_vga_draw_line16_32bgr,
- maru_vga_draw_line16_15bgr,
- maru_vga_draw_line16_16bgr,
-
- maru_vga_draw_line24_8,
- maru_vga_draw_line24_15,
- maru_vga_draw_line24_16,
- maru_vga_draw_line24_32,
- maru_vga_draw_line24_32bgr,
- maru_vga_draw_line24_15bgr,
- maru_vga_draw_line24_16bgr,
-
- maru_vga_draw_line32_8,
- maru_vga_draw_line32_15,
- maru_vga_draw_line32_16,
- maru_vga_draw_line32_32,
- maru_vga_draw_line32_32bgr,
- maru_vga_draw_line32_15bgr,
- maru_vga_draw_line32_16bgr,
-};
-
-static int vga_get_bpp(VGACommonState *s)
-{
- int ret;
-
- if (s->vbe_regs[VBE_DISPI_INDEX_ENABLE] & VBE_DISPI_ENABLED) {
- ret = s->vbe_regs[VBE_DISPI_INDEX_BPP];
- } else {
- ret = 0;
- }
- return ret;
-}
-
-static void vga_get_resolution(VGACommonState *s, int *pwidth, int *pheight)
-{
- int width, height;
-
- if (s->vbe_regs[VBE_DISPI_INDEX_ENABLE] & VBE_DISPI_ENABLED) {
- width = s->vbe_regs[VBE_DISPI_INDEX_XRES];
- height = s->vbe_regs[VBE_DISPI_INDEX_YRES];
- } else {
- width = (s->cr[VGA_CRTC_H_DISP] + 1) * 8;
- height = s->cr[VGA_CRTC_V_DISP_END] |
- ((s->cr[VGA_CRTC_OVERFLOW] & 0x02) << 7) |
- ((s->cr[VGA_CRTC_OVERFLOW] & 0x40) << 3);
- height = (height + 1);
- }
- *pwidth = width;
- *pheight = height;
-}
-
-/*
- * graphic modes
- */
-static void vga_draw_graphic(VGACommonState *s, int full_update)
-{
- DisplaySurface *surface = qemu_console_surface(s->con);
- int y1, y, update, linesize, y_start, double_scan, mask, depth;
- int width, height, shift_control, line_offset, bwidth, bits;
- ram_addr_t page0, page1, page_min, page_max;
- int disp_width, multi_scan, multi_run;
- uint8_t *d;
- uint32_t v, addr1, addr;
- maru_vga_draw_line_func *maru_vga_draw_line;
-#if defined(HOST_WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN)
- static const bool byteswap = false;
-#else
- static const bool byteswap = true;
-#endif
-
- full_update |= update_basic_params(s);
-
- if (!full_update)
- vga_sync_dirty_bitmap(s);
-
- s->get_resolution(s, &width, &height);
- disp_width = width;
-
- shift_control = (s->gr[VGA_GFX_MODE] >> 5) & 3;
- double_scan = (s->cr[VGA_CRTC_MAX_SCAN] >> 7);
- if (shift_control != 1) {
- multi_scan = (((s->cr[VGA_CRTC_MAX_SCAN] & 0x1f) + 1) << double_scan)
- - 1;
- } else {
- /* in CGA modes, multi_scan is ignored */
- /* XXX: is it correct ? */
- multi_scan = double_scan;
- }
- multi_run = multi_scan;
- if (shift_control != s->shift_control ||
- double_scan != s->double_scan) {
- full_update = 1;
- s->shift_control = shift_control;
- s->double_scan = double_scan;
- }
-
- if (shift_control == 0) {
- if (s->sr[VGA_SEQ_CLOCK_MODE] & 8) {
- disp_width <<= 1;
- }
- } else if (shift_control == 1) {
- if (s->sr[VGA_SEQ_CLOCK_MODE] & 8) {
- disp_width <<= 1;
- }
- }
-
- depth = s->get_bpp(s);
- if (s->line_offset != s->last_line_offset ||
- disp_width != s->last_width ||
- height != s->last_height ||
- s->last_depth != depth) {
- if (depth == 32 || (depth == 16 && !byteswap)) {
-#ifdef MARU_VGA /* create new sufrace by g_new0 in MARU VGA */
- TRACE("create the display surface\n");
- surface = qemu_create_displaysurface(disp_width, height);
-#else /* MARU_VGA */
- surface = qemu_create_displaysurface_from(disp_width,
- height, depth, s->line_offset,
- s->vram_ptr + (s->start_addr * 4), byteswap);
-#endif /* MARU_VGA */
- dpy_gfx_replace_surface(s->con, surface);
- } else {
- qemu_console_resize(s->con, disp_width, height);
- surface = qemu_console_surface(s->con);
- }
- s->last_scr_width = disp_width;
- s->last_scr_height = height;
- s->last_width = disp_width;
- s->last_height = height;
- s->last_line_offset = s->line_offset;
- s->last_depth = depth;
- full_update = 1;
- } else if (is_buffer_shared(surface) &&
- (full_update || surface_data(surface) != s->vram_ptr
- + (s->start_addr * 4))) {
- DisplaySurface *surface;
- surface = qemu_create_displaysurface_from(disp_width,
- height, depth, s->line_offset,
- s->vram_ptr + (s->start_addr * 4), byteswap);
- dpy_gfx_replace_surface(s->con, surface);
- }
-
- s->rgb_to_pixel =
- rgb_to_pixel_dup_table[get_depth_index(surface)];
-
- if (shift_control == 0) {
- full_update |= update_palette16(s);
- if (s->sr[VGA_SEQ_CLOCK_MODE] & 8) {
- v = maru_vga_draw_line4D2;
- } else {
- v = maru_vga_draw_line4;
- }
- bits = 4;
- } else if (shift_control == 1) {
- full_update |= update_palette16(s);
- if (s->sr[VGA_SEQ_CLOCK_MODE] & 8) {
- v = maru_vga_draw_line2D2;
- } else {
- v = maru_vga_draw_line2;
- }
- bits = 4;
- } else {
- switch(s->get_bpp(s)) {
- default:
- case 0:
- full_update |= update_palette256(s);
- v = maru_vga_draw_line8D2;
- bits = 4;
- break;
- case 8:
- full_update |= update_palette256(s);
- v = maru_vga_draw_line8;
- bits = 8;
- break;
- case 15:
- v = maru_vga_draw_line15;
- bits = 16;
- break;
- case 16:
- v = maru_vga_draw_line16;
- bits = 16;
- break;
- case 24:
- v = maru_vga_draw_line24;
- bits = 24;
- break;
- case 32:
- v = maru_vga_draw_line32;
- bits = 32;
- break;
- }
- }
- maru_vga_draw_line = maru_vga_draw_line_table[v * NB_DEPTHS +
- get_depth_index(surface)];
-
- if (!is_buffer_shared(surface) && s->cursor_invalidate) {
- s->cursor_invalidate(s);
- }
-
- line_offset = s->line_offset;
-#if 0
- printf("w=%d h=%d v=%d line_offset=%d cr[0x09]=0x%02x cr[0x17]=0x%02x linecmp=%d sr[0x01]=0x%02x\n",
- width, height, v, line_offset, s->cr[9], s->cr[VGA_CRTC_MODE],
- s->line_compare, s->sr[VGA_SEQ_CLOCK_MODE]);
-#endif
- addr1 = (s->start_addr * 4);
- bwidth = (width * bits + 7) / 8;
- y_start = -1;
- page_min = -1;
- page_max = 0;
- d = surface_data(surface);
- linesize = surface_stride(surface);
- y1 = 0;
- for(y = 0; y < height; y++) {
- addr = addr1;
- if (!(s->cr[VGA_CRTC_MODE] & 1)) {
- int shift;
- /* CGA compatibility handling */
- shift = 14 + ((s->cr[VGA_CRTC_MODE] >> 6) & 1);
- addr = (addr & ~(1 << shift)) | ((y1 & 1) << shift);
- }
- if (!(s->cr[VGA_CRTC_MODE] & 2)) {
- addr = (addr & ~0x8000) | ((y1 & 2) << 14);
- }
- update = full_update;
- page0 = addr;
- page1 = addr + bwidth - 1;
- update |= memory_region_get_dirty(&s->vram, page0, page1 - page0,
- DIRTY_MEMORY_VGA);
- /* explicit invalidation for the hardware cursor */
- update |= (s->invalidated_y_table[y >> 5] >> (y & 0x1f)) & 1;
-#ifdef MARU_VGA /* needs full update */
- update |= 1;
-#endif
- if (update) {
- if (y_start < 0)
- y_start = y;
- if (page0 < page_min)
- page_min = page0;
- if (page1 > page_max)
- page_max = page1;
- if (!(is_buffer_shared(surface))) {
- maru_vga_draw_line(s, d, s->vram_ptr + addr, width);
- if (s->cursor_draw_line)
- s->cursor_draw_line(s, d, y);
- }
- } else {
- if (y_start >= 0) {
- /* flush to display */
- dpy_gfx_update(s->con, 0, y_start,
- disp_width, y - y_start);
- y_start = -1;
- }
- }
- if (!multi_run) {
- mask = (s->cr[VGA_CRTC_MODE] & 3) ^ 3;
- if ((y1 & mask) == mask)
- addr1 += line_offset;
- y1++;
- multi_run = multi_scan;
- } else {
- multi_run--;
- }
- /* line compare acts on the displayed lines */
- if (y == s->line_compare)
- addr1 = 0;
- d += linesize;
- }
- if (y_start >= 0) {
- /* flush to display */
- dpy_gfx_update(s->con, 0, y_start,
- disp_width, y - y_start);
- }
- /* reset modified pages */
- if (page_max >= page_min) {
- memory_region_reset_dirty(&s->vram,
- page_min,
- page_max - page_min,
- DIRTY_MEMORY_VGA);
- }
- memset(s->invalidated_y_table, 0, ((height + 31) >> 5) * 4);
-}
-
-static void vga_draw_blank(VGACommonState *s, int full_update)
-{
- DisplaySurface *surface = qemu_console_surface(s->con);
- int i, w, val;
- uint8_t *d;
-
- if (!full_update)
- return;
- if (s->last_scr_width <= 0 || s->last_scr_height <= 0)
- return;
-
- s->rgb_to_pixel =
- rgb_to_pixel_dup_table[get_depth_index(surface)];
- if (surface_bits_per_pixel(surface) == 8) {
- val = s->rgb_to_pixel(0, 0, 0);
- } else {
- val = 0;
- }
- w = s->last_scr_width * surface_bytes_per_pixel(surface);
- d = surface_data(surface);
- for(i = 0; i < s->last_scr_height; i++) {
- memset(d, val, w);
- d += surface_stride(surface);
- }
- dpy_gfx_update(s->con, 0, 0,
- s->last_scr_width, s->last_scr_height);
-}
-
-#define GMODE_TEXT 0
-#define GMODE_GRAPH 1
-#define GMODE_BLANK 2
-
-static void vga_update_display(void *opaque)
-{
- VGACommonState *s = opaque;
- DisplaySurface *surface = qemu_console_surface(s->con);
- int full_update, graphic_mode;
-
- qemu_flush_coalesced_mmio_buffer();
-
- if (surface_bits_per_pixel(surface) == 0) {
- /* nothing to do */
- } else {
- full_update = 0;
- if (!(s->ar_index & 0x20)) {
- graphic_mode = GMODE_BLANK;
- } else {
- graphic_mode = s->gr[VGA_GFX_MISC] & VGA_GR06_GRAPHICS_MODE;
- }
- if (graphic_mode != s->graphic_mode) {
- s->graphic_mode = graphic_mode;
- s->cursor_blink_time = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL);
- full_update = 1;
- }
- switch(graphic_mode) {
- case GMODE_TEXT:
- vga_draw_text(s, full_update);
- break;
- case GMODE_GRAPH:
- vga_draw_graphic(s, full_update);
- break;
- case GMODE_BLANK:
- default:
- vga_draw_blank(s, full_update);
- break;
- }
- }
-}
-
-/* force a full display refresh */
-static void vga_invalidate_display(void *opaque)
-{
- VGACommonState *s = opaque;
-
- s->last_width = -1;
- s->last_height = -1;
-}
-
-#define TEXTMODE_X(x) ((x) % width)
-#define TEXTMODE_Y(x) ((x) / width)
-#define VMEM2CHTYPE(v) ((v & 0xff0007ff) | \
- ((v & 0x00000800) << 10) | ((v & 0x00007000) >> 1))
-/* relay text rendering to the display driver
- * instead of doing a full vga_update_display() */
-static void vga_update_text(void *opaque, console_ch_t *chardata)
-{
- VGACommonState *s = opaque;
- int graphic_mode, i, cursor_offset, cursor_visible;
- int cw, cheight, width, height, size, c_min, c_max;
- uint32_t *src;
- console_ch_t *dst, val;
- char msg_buffer[80];
- int full_update = 0;
-
- qemu_flush_coalesced_mmio_buffer();
-
- if (!(s->ar_index & 0x20)) {
- graphic_mode = GMODE_BLANK;
- } else {
- graphic_mode = s->gr[VGA_GFX_MISC] & VGA_GR06_GRAPHICS_MODE;
- }
- if (graphic_mode != s->graphic_mode) {
- s->graphic_mode = graphic_mode;
- full_update = 1;
- }
- if (s->last_width == -1) {
- s->last_width = 0;
- full_update = 1;
- }
-
- switch (graphic_mode) {
- case GMODE_TEXT:
- /* TODO: update palette */
- full_update |= update_basic_params(s);
-
- /* total width & height */
- cheight = (s->cr[VGA_CRTC_MAX_SCAN] & 0x1f) + 1;
- cw = 8;
- if (!(s->sr[VGA_SEQ_CLOCK_MODE] & VGA_SR01_CHAR_CLK_8DOTS)) {
- cw = 9;
- }
- if (s->sr[VGA_SEQ_CLOCK_MODE] & 0x08) {
- cw = 16; /* NOTE: no 18 pixel wide */
- }
- width = (s->cr[VGA_CRTC_H_DISP] + 1);
- if (s->cr[VGA_CRTC_V_TOTAL] == 100) {
- /* ugly hack for CGA 160x100x16 - explain me the logic */
- height = 100;
- } else {
- height = s->cr[VGA_CRTC_V_DISP_END] |
- ((s->cr[VGA_CRTC_OVERFLOW] & 0x02) << 7) |
- ((s->cr[VGA_CRTC_OVERFLOW] & 0x40) << 3);
- height = (height + 1) / cheight;
- }
-
- size = (height * width);
- if (size > CH_ATTR_SIZE) {
- if (!full_update)
- return;
-
- snprintf(msg_buffer, sizeof(msg_buffer), "%i x %i Text mode",
- width, height);
- break;
- }
-
- if (width != s->last_width || height != s->last_height ||
- cw != s->last_cw || cheight != s->last_ch) {
- s->last_scr_width = width * cw;
- s->last_scr_height = height * cheight;
- qemu_console_resize(s->con, s->last_scr_width, s->last_scr_height);
- dpy_text_resize(s->con, width, height);
- s->last_depth = 0;
- s->last_width = width;
- s->last_height = height;
- s->last_ch = cheight;
- s->last_cw = cw;
- full_update = 1;
- }
-
- if (full_update) {
- s->full_update_gfx = 1;
- }
- if (s->full_update_text) {
- s->full_update_text = 0;
- full_update |= 1;
- }
-
- /* Update "hardware" cursor */
- cursor_offset = ((s->cr[VGA_CRTC_CURSOR_HI] << 8) |
- s->cr[VGA_CRTC_CURSOR_LO]) - s->start_addr;
- if (cursor_offset != s->cursor_offset ||
- s->cr[VGA_CRTC_CURSOR_START] != s->cursor_start ||
- s->cr[VGA_CRTC_CURSOR_END] != s->cursor_end || full_update) {
- cursor_visible = !(s->cr[VGA_CRTC_CURSOR_START] & 0x20);
- if (cursor_visible && cursor_offset < size && cursor_offset >= 0)
- dpy_text_cursor(s->con,
- TEXTMODE_X(cursor_offset),
- TEXTMODE_Y(cursor_offset));
- else
- dpy_text_cursor(s->con, -1, -1);
- s->cursor_offset = cursor_offset;
- s->cursor_start = s->cr[VGA_CRTC_CURSOR_START];
- s->cursor_end = s->cr[VGA_CRTC_CURSOR_END];
- }
-
- src = (uint32_t *) s->vram_ptr + s->start_addr;
- dst = chardata;
-
- if (full_update) {
- for (i = 0; i < size; src ++, dst ++, i ++)
- console_write_ch(dst, VMEM2CHTYPE(le32_to_cpu(*src)));
-
- dpy_text_update(s->con, 0, 0, width, height);
- } else {
- c_max = 0;
-
- for (i = 0; i < size; src ++, dst ++, i ++) {
- console_write_ch(&val, VMEM2CHTYPE(le32_to_cpu(*src)));
- if (*dst != val) {
- *dst = val;
- c_max = i;
- break;
- }
- }
- c_min = i;
- for (; i < size; src ++, dst ++, i ++) {
- console_write_ch(&val, VMEM2CHTYPE(le32_to_cpu(*src)));
- if (*dst != val) {
- *dst = val;
- c_max = i;
- }
- }
-
- if (c_min <= c_max) {
- i = TEXTMODE_Y(c_min);
- dpy_text_update(s->con, 0, i, width, TEXTMODE_Y(c_max) - i + 1);
- }
- }
-
- return;
- case GMODE_GRAPH:
- if (!full_update)
- return;
-
- s->get_resolution(s, &width, &height);
- snprintf(msg_buffer, sizeof(msg_buffer), "%i x %i Graphic mode",
- width, height);
- break;
- case GMODE_BLANK:
- default:
- if (!full_update)
- return;
-
- snprintf(msg_buffer, sizeof(msg_buffer), "VGA Blank mode");
- break;
- }
-
- /* Display a message */
- s->last_width = 60;
- s->last_height = height = 3;
- dpy_text_cursor(s->con, -1, -1);
- dpy_text_resize(s->con, s->last_width, height);
-
- for (dst = chardata, i = 0; i < s->last_width * height; i ++)
- console_write_ch(dst ++, ' ');
-
- size = strlen(msg_buffer);
- width = (s->last_width - size) / 2;
- dst = chardata + s->last_width + width;
- for (i = 0; i < size; i ++)
- console_write_ch(dst ++, 0x00200100 | msg_buffer[i]);
-
- dpy_text_update(s->con, 0, 0, s->last_width, height);
-}
-
-static const GraphicHwOps vga_ops = {
- .invalidate = vga_invalidate_display,
- .gfx_update = vga_update_display,
- .text_update = vga_update_text,
-};
-
-void maru_vga_common_init(VGACommonState *s, Object *obj)
-{
- int i, j, v, b;
-
- for(i = 0;i < 256; i++) {
- v = 0;
- for(j = 0; j < 8; j++) {
- v |= ((i >> j) & 1) << (j * 4);
- }
- expand4[i] = v;
-
- v = 0;
- for(j = 0; j < 4; j++) {
- v |= ((i >> (2 * j)) & 3) << (j * 4);
- }
- expand2[i] = v;
- }
- for(i = 0; i < 16; i++) {
- v = 0;
- for(j = 0; j < 4; j++) {
- b = ((i >> j) & 1);
- v |= b << (2 * j);
- v |= b << (2 * j + 1);
- }
- expand4to8[i] = v;
- }
-
- /* valid range: 1 MB -> 256 MB */
- s->vram_size = 1024 * 1024;
- while (s->vram_size < (s->vram_size_mb << 20) &&
- s->vram_size < (256 << 20)) {
- s->vram_size <<= 1;
- }
- s->vram_size_mb = s->vram_size >> 20;
-
- s->is_vbe_vmstate = 1;
- memory_region_init_ram(&s->vram, obj, "maru_vga.vram", s->vram_size);
- vmstate_register_ram_global(&s->vram);
- xen_register_framebuffer(&s->vram);
- s->vram_ptr = memory_region_get_ram_ptr(&s->vram);
- s->get_bpp = vga_get_bpp;
- s->get_offsets = vga_get_offsets;
- s->get_resolution = vga_get_resolution;
- s->hw_ops = &vga_ops;
- switch (vga_retrace_method) {
- case VGA_RETRACE_DUMB:
- s->retrace = vga_dumb_retrace;
- s->update_retrace_info = vga_dumb_update_retrace_info;
- break;
-
- case VGA_RETRACE_PRECISE:
- s->retrace = vga_precise_retrace;
- s->update_retrace_info = vga_precise_update_retrace_info;
- break;
- }
- vga_dirty_log_start(s);
- TRACE("%s\n", __func__);
-}
-
-void maru_vga_common_fini(void)
-{
- /* do nothing */
- TRACE("%s\n", __func__);
-}
+++ /dev/null
-/*
- * vga device
- * Based on qemu/hw/vga_template.h
- *
- * Copyright (C) 2011 - 2012 Samsung Electronics Co., Ltd. All rights reserved.
- *
- * Contact:
- * GiWoong Kim <giwoong.kim@samsung.com>
- * YeongKyoon Lee <yeongkyoon.lee@samsung.com>
- * Hyunjun Son
- *
- * 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; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- * Contributors:
- * - S-Core Co., Ltd
- *
- */
-
-#if DEPTH == 8
-#define BPP 1
-#define PIXEL_TYPE uint8_t
-#elif DEPTH == 15 || DEPTH == 16
-#define BPP 2
-#define PIXEL_TYPE uint16_t
-#elif DEPTH == 32
-#define BPP 4
-#define PIXEL_TYPE uint32_t
-#else
-#error unsupport depth
-#endif
-
-#ifdef BGR_FORMAT
-#define PIXEL_NAME glue(DEPTH, bgr)
-#else
-#define PIXEL_NAME DEPTH
-#endif /* BGR_FORMAT */
-
-#if DEPTH != 15 && !defined(BGR_FORMAT)
-
-static inline void glue(maru_vga_draw_glyph_line_, DEPTH)(uint8_t *d,
- uint32_t font_data,
- uint32_t xorcol,
- uint32_t bgcol)
-{
-#if BPP == 1
- ((uint32_t *)d)[0] = (dmask16[(font_data >> 4)] & xorcol) ^ bgcol;
- ((uint32_t *)d)[1] = (dmask16[(font_data >> 0) & 0xf] & xorcol) ^ bgcol;
-#elif BPP == 2
- ((uint32_t *)d)[0] = (dmask4[(font_data >> 6)] & xorcol) ^ bgcol;
- ((uint32_t *)d)[1] = (dmask4[(font_data >> 4) & 3] & xorcol) ^ bgcol;
- ((uint32_t *)d)[2] = (dmask4[(font_data >> 2) & 3] & xorcol) ^ bgcol;
- ((uint32_t *)d)[3] = (dmask4[(font_data >> 0) & 3] & xorcol) ^ bgcol;
-#else
- ((uint32_t *)d)[0] = (-((font_data >> 7)) & xorcol) ^ bgcol;
- ((uint32_t *)d)[1] = (-((font_data >> 6) & 1) & xorcol) ^ bgcol;
- ((uint32_t *)d)[2] = (-((font_data >> 5) & 1) & xorcol) ^ bgcol;
- ((uint32_t *)d)[3] = (-((font_data >> 4) & 1) & xorcol) ^ bgcol;
- ((uint32_t *)d)[4] = (-((font_data >> 3) & 1) & xorcol) ^ bgcol;
- ((uint32_t *)d)[5] = (-((font_data >> 2) & 1) & xorcol) ^ bgcol;
- ((uint32_t *)d)[6] = (-((font_data >> 1) & 1) & xorcol) ^ bgcol;
- ((uint32_t *)d)[7] = (-((font_data >> 0) & 1) & xorcol) ^ bgcol;
-#endif
-}
-
-static void glue(maru_vga_draw_glyph8_, DEPTH)(uint8_t *d, int linesize,
- const uint8_t *font_ptr, int h,
- uint32_t fgcol, uint32_t bgcol)
-{
- uint32_t font_data, xorcol;
-
- xorcol = bgcol ^ fgcol;
- do {
- font_data = font_ptr[0];
- glue(maru_vga_draw_glyph_line_, DEPTH)(d, font_data, xorcol, bgcol);
- font_ptr += 4;
- d += linesize;
- } while (--h);
-}
-
-static void glue(maru_vga_draw_glyph16_, DEPTH)(uint8_t *d, int linesize,
- const uint8_t *font_ptr, int h,
- uint32_t fgcol, uint32_t bgcol)
-{
- uint32_t font_data, xorcol;
-
- xorcol = bgcol ^ fgcol;
- do {
- font_data = font_ptr[0];
- glue(maru_vga_draw_glyph_line_, DEPTH)(d,
- expand4to8[font_data >> 4],
- xorcol, bgcol);
- glue(maru_vga_draw_glyph_line_, DEPTH)(d + 8 * BPP,
- expand4to8[font_data & 0x0f],
- xorcol, bgcol);
- font_ptr += 4;
- d += linesize;
- } while (--h);
-}
-
-static void glue(maru_vga_draw_glyph9_, DEPTH)(uint8_t *d, int linesize,
- const uint8_t *font_ptr, int h,
- uint32_t fgcol, uint32_t bgcol, int dup9)
-{
- uint32_t font_data, xorcol, v;
-
- xorcol = bgcol ^ fgcol;
- do {
- font_data = font_ptr[0];
-#if BPP == 1
- stl_p((uint32_t *)d, (dmask16[(font_data >> 4)] & xorcol) ^ bgcol);
- v = (dmask16[(font_data >> 0) & 0xf] & xorcol) ^ bgcol;
- stl_p(((uint32_t *)d)+1, v);
- if (dup9)
- ((uint8_t *)d)[8] = v >> (24 * (1 - BIG));
- else
- ((uint8_t *)d)[8] = bgcol;
-
-#elif BPP == 2
- stl_p(((uint32_t *)d)+0, (dmask4[(font_data >> 6)] & xorcol) ^ bgcol);
- stl_p(((uint32_t *)d)+1, (dmask4[(font_data >> 4) & 3] & xorcol) ^ bgcol);
- stl_p(((uint32_t *)d)+2, (dmask4[(font_data >> 2) & 3] & xorcol) ^ bgcol);
- v = (dmask4[(font_data >> 0) & 3] & xorcol) ^ bgcol;
- stl_p(((uint32_t *)d)+3, v);
- if (dup9)
- ((uint16_t *)d)[8] = v >> (16 * (1 - BIG));
- else
- ((uint16_t *)d)[8] = bgcol;
-#else
- ((uint32_t *)d)[0] = (-((font_data >> 7)) & xorcol) ^ bgcol;
- ((uint32_t *)d)[1] = (-((font_data >> 6) & 1) & xorcol) ^ bgcol;
- ((uint32_t *)d)[2] = (-((font_data >> 5) & 1) & xorcol) ^ bgcol;
- ((uint32_t *)d)[3] = (-((font_data >> 4) & 1) & xorcol) ^ bgcol;
- ((uint32_t *)d)[4] = (-((font_data >> 3) & 1) & xorcol) ^ bgcol;
- ((uint32_t *)d)[5] = (-((font_data >> 2) & 1) & xorcol) ^ bgcol;
- ((uint32_t *)d)[6] = (-((font_data >> 1) & 1) & xorcol) ^ bgcol;
- v = (-((font_data >> 0) & 1) & xorcol) ^ bgcol;
- ((uint32_t *)d)[7] = v;
- if (dup9)
- ((uint32_t *)d)[8] = v;
- else
- ((uint32_t *)d)[8] = bgcol;
-#endif
- font_ptr += 4;
- d += linesize;
- } while (--h);
-}
-
-/*
- * 4 color mode
- */
-static void glue(maru_vga_draw_line2_, DEPTH)(VGACommonState *s1, uint8_t *d,
- const uint8_t *s, int width)
-{
- uint32_t plane_mask, *palette, data, v;
- int x;
-
- palette = s1->last_palette;
- plane_mask = mask16[s1->ar[0x12] & 0xf];
- width >>= 3;
- for(x = 0; x < width; x++) {
- data = ((uint32_t *)s)[0];
- data &= plane_mask;
- v = expand2[GET_PLANE(data, 0)];
- v |= expand2[GET_PLANE(data, 2)] << 2;
- ((PIXEL_TYPE *)d)[0] = palette[v >> 12];
- ((PIXEL_TYPE *)d)[1] = palette[(v >> 8) & 0xf];
- ((PIXEL_TYPE *)d)[2] = palette[(v >> 4) & 0xf];
- ((PIXEL_TYPE *)d)[3] = palette[(v >> 0) & 0xf];
-
- v = expand2[GET_PLANE(data, 1)];
- v |= expand2[GET_PLANE(data, 3)] << 2;
- ((PIXEL_TYPE *)d)[4] = palette[v >> 12];
- ((PIXEL_TYPE *)d)[5] = palette[(v >> 8) & 0xf];
- ((PIXEL_TYPE *)d)[6] = palette[(v >> 4) & 0xf];
- ((PIXEL_TYPE *)d)[7] = palette[(v >> 0) & 0xf];
- d += BPP * 8;
- s += 4;
- }
-}
-
-#if BPP == 1
-#define PUT_PIXEL2(d, n, v) ((uint16_t *)d)[(n)] = (v)
-#elif BPP == 2
-#define PUT_PIXEL2(d, n, v) ((uint32_t *)d)[(n)] = (v)
-#else
-#define PUT_PIXEL2(d, n, v) \
-((uint32_t *)d)[2*(n)] = ((uint32_t *)d)[2*(n)+1] = (v)
-#endif
-
-/*
- * 4 color mode, dup2 horizontal
- */
-static void glue(maru_vga_draw_line2d2_, DEPTH)(VGACommonState *s1, uint8_t *d,
- const uint8_t *s, int width)
-{
- uint32_t plane_mask, *palette, data, v;
- int x;
-
- palette = s1->last_palette;
- plane_mask = mask16[s1->ar[0x12] & 0xf];
- width >>= 3;
- for(x = 0; x < width; x++) {
- data = ((uint32_t *)s)[0];
- data &= plane_mask;
- v = expand2[GET_PLANE(data, 0)];
- v |= expand2[GET_PLANE(data, 2)] << 2;
- PUT_PIXEL2(d, 0, palette[v >> 12]);
- PUT_PIXEL2(d, 1, palette[(v >> 8) & 0xf]);
- PUT_PIXEL2(d, 2, palette[(v >> 4) & 0xf]);
- PUT_PIXEL2(d, 3, palette[(v >> 0) & 0xf]);
-
- v = expand2[GET_PLANE(data, 1)];
- v |= expand2[GET_PLANE(data, 3)] << 2;
- PUT_PIXEL2(d, 4, palette[v >> 12]);
- PUT_PIXEL2(d, 5, palette[(v >> 8) & 0xf]);
- PUT_PIXEL2(d, 6, palette[(v >> 4) & 0xf]);
- PUT_PIXEL2(d, 7, palette[(v >> 0) & 0xf]);
- d += BPP * 16;
- s += 4;
- }
-}
-
-/*
- * 16 color mode
- */
-static void glue(maru_vga_draw_line4_, DEPTH)(VGACommonState *s1, uint8_t *d,
- const uint8_t *s, int width)
-{
- uint32_t plane_mask, data, v, *palette;
- int x;
-
- palette = s1->last_palette;
- plane_mask = mask16[s1->ar[0x12] & 0xf];
- width >>= 3;
- for(x = 0; x < width; x++) {
- data = ((uint32_t *)s)[0];
- data &= plane_mask;
- v = expand4[GET_PLANE(data, 0)];
- v |= expand4[GET_PLANE(data, 1)] << 1;
- v |= expand4[GET_PLANE(data, 2)] << 2;
- v |= expand4[GET_PLANE(data, 3)] << 3;
- ((PIXEL_TYPE *)d)[0] = palette[v >> 28];
- ((PIXEL_TYPE *)d)[1] = palette[(v >> 24) & 0xf];
- ((PIXEL_TYPE *)d)[2] = palette[(v >> 20) & 0xf];
- ((PIXEL_TYPE *)d)[3] = palette[(v >> 16) & 0xf];
- ((PIXEL_TYPE *)d)[4] = palette[(v >> 12) & 0xf];
- ((PIXEL_TYPE *)d)[5] = palette[(v >> 8) & 0xf];
- ((PIXEL_TYPE *)d)[6] = palette[(v >> 4) & 0xf];
- ((PIXEL_TYPE *)d)[7] = palette[(v >> 0) & 0xf];
- d += BPP * 8;
- s += 4;
- }
-}
-
-/*
- * 16 color mode, dup2 horizontal
- */
-static void glue(maru_vga_draw_line4d2_, DEPTH)(VGACommonState *s1, uint8_t *d,
- const uint8_t *s, int width)
-{
- uint32_t plane_mask, data, v, *palette;
- int x;
-
- palette = s1->last_palette;
- plane_mask = mask16[s1->ar[0x12] & 0xf];
- width >>= 3;
- for(x = 0; x < width; x++) {
- data = ((uint32_t *)s)[0];
- data &= plane_mask;
- v = expand4[GET_PLANE(data, 0)];
- v |= expand4[GET_PLANE(data, 1)] << 1;
- v |= expand4[GET_PLANE(data, 2)] << 2;
- v |= expand4[GET_PLANE(data, 3)] << 3;
- PUT_PIXEL2(d, 0, palette[v >> 28]);
- PUT_PIXEL2(d, 1, palette[(v >> 24) & 0xf]);
- PUT_PIXEL2(d, 2, palette[(v >> 20) & 0xf]);
- PUT_PIXEL2(d, 3, palette[(v >> 16) & 0xf]);
- PUT_PIXEL2(d, 4, palette[(v >> 12) & 0xf]);
- PUT_PIXEL2(d, 5, palette[(v >> 8) & 0xf]);
- PUT_PIXEL2(d, 6, palette[(v >> 4) & 0xf]);
- PUT_PIXEL2(d, 7, palette[(v >> 0) & 0xf]);
- d += BPP * 16;
- s += 4;
- }
-}
-
-/*
- * 256 color mode, double pixels
- *
- * XXX: add plane_mask support (never used in standard VGA modes)
- */
-static void glue(maru_vga_draw_line8d2_, DEPTH)(VGACommonState *s1, uint8_t *d,
- const uint8_t *s, int width)
-{
- uint32_t *palette;
- int x;
-
- palette = s1->last_palette;
- width >>= 3;
- for(x = 0; x < width; x++) {
- PUT_PIXEL2(d, 0, palette[s[0]]);
- PUT_PIXEL2(d, 1, palette[s[1]]);
- PUT_PIXEL2(d, 2, palette[s[2]]);
- PUT_PIXEL2(d, 3, palette[s[3]]);
- d += BPP * 8;
- s += 4;
- }
-}
-
-/*
- * standard 256 color mode
- *
- * XXX: add plane_mask support (never used in standard VGA modes)
- */
-static void glue(maru_vga_draw_line8_, DEPTH)(VGACommonState *s1, uint8_t *d,
- const uint8_t *s, int width)
-{
- uint32_t *palette;
- int x;
-
- palette = s1->last_palette;
- width >>= 3;
- for(x = 0; x < width; x++) {
- ((PIXEL_TYPE *)d)[0] = palette[s[0]];
- ((PIXEL_TYPE *)d)[1] = palette[s[1]];
- ((PIXEL_TYPE *)d)[2] = palette[s[2]];
- ((PIXEL_TYPE *)d)[3] = palette[s[3]];
- ((PIXEL_TYPE *)d)[4] = palette[s[4]];
- ((PIXEL_TYPE *)d)[5] = palette[s[5]];
- ((PIXEL_TYPE *)d)[6] = palette[s[6]];
- ((PIXEL_TYPE *)d)[7] = palette[s[7]];
- d += BPP * 8;
- s += 8;
- }
-}
-
-#endif /* DEPTH != 15 */
-
-
-/* XXX: optimize */
-
-/*
- * 15 bit color
- */
-static void glue(maru_vga_draw_line15_, PIXEL_NAME)(VGACommonState *s1, uint8_t *d,
- const uint8_t *s, int width)
-{
-#if DEPTH == 15 && defined(HOST_WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN)
- memcpy(d, s, width * 2);
-#else
- int w;
- uint32_t v, r, g, b;
-
- w = width;
- do {
- v = lduw_raw((void *)s);
- r = (v >> 7) & 0xf8;
- g = (v >> 2) & 0xf8;
- b = (v << 3) & 0xf8;
- ((PIXEL_TYPE *)d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
- s += 2;
- d += BPP;
- } while (--w != 0);
-#endif
-}
-
-/*
- * 16 bit color
- */
-static void glue(maru_vga_draw_line16_, PIXEL_NAME)(VGACommonState *s1, uint8_t *d,
- const uint8_t *s, int width)
-{
-#if DEPTH == 16 && defined(HOST_WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN)
- memcpy(d, s, width * 2);
-#else
- int w;
- uint32_t v, r, g, b;
-
- w = width;
- do {
- v = lduw_raw((void *)s);
- r = (v >> 8) & 0xf8;
- g = (v >> 3) & 0xfc;
- b = (v << 3) & 0xf8;
- ((PIXEL_TYPE *)d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
- s += 2;
- d += BPP;
- } while (--w != 0);
-#endif
-}
-
-/*
- * 24 bit color
- */
-static void glue(maru_vga_draw_line24_, PIXEL_NAME)(VGACommonState *s1, uint8_t *d,
- const uint8_t *s, int width)
-{
- int w;
- uint32_t r, g, b;
-
- w = width;
- do {
-#if defined(TARGET_WORDS_BIGENDIAN)
- r = s[0];
- g = s[1];
- b = s[2];
-#else
- b = s[0];
- g = s[1];
- r = s[2];
-#endif
- ((PIXEL_TYPE *)d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
- s += 3;
- d += BPP;
- } while (--w != 0);
-}
-
-/*
- * 32 bit color
- */
-static void glue(maru_vga_draw_line32_, PIXEL_NAME)(VGACommonState *s1, uint8_t *d,
- const uint8_t *s, int width)
-{
-#if DEPTH == 32 && defined(HOST_WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN) && !defined(BGR_FORMAT)
- memcpy(d, s, width * 4);
-#else
- int w;
- uint32_t r, g, b;
-
- w = width;
- do {
-#if defined(TARGET_WORDS_BIGENDIAN)
- r = s[1];
- g = s[2];
- b = s[3];
-#else
- b = s[0];
- g = s[1];
- r = s[2];
-#endif
- ((PIXEL_TYPE *)d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
- s += 4;
- d += BPP;
- } while (--w != 0);
-#endif
-}
-
-#undef PUT_PIXEL2
-#undef DEPTH
-#undef BPP
-#undef PIXEL_TYPE
-#undef PIXEL_NAME
-#undef BGR_FORMAT
projects / sdk / emulator / qemu.git / commitdiff