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-rw-r--r--hw/display/vmware_vga.c1282
1 files changed, 1282 insertions, 0 deletions
diff --git a/hw/display/vmware_vga.c b/hw/display/vmware_vga.c
new file mode 100644
index 0000000000..bcad47a68d
--- /dev/null
+++ b/hw/display/vmware_vga.c
@@ -0,0 +1,1282 @@
+/*
+ * QEMU VMware-SVGA "chipset".
+ *
+ * Copyright (c) 2007 Andrzej Zaborowski <balrog@zabor.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#include "hw/hw.h"
+#include "hw/loader.h"
+#include "ui/console.h"
+#include "hw/pci/pci.h"
+
+#undef VERBOSE
+#define HW_RECT_ACCEL
+#define HW_FILL_ACCEL
+#define HW_MOUSE_ACCEL
+
+#include "vga_int.h"
+
+/* See http://vmware-svga.sf.net/ for some documentation on VMWare SVGA */
+
+struct vmsvga_state_s {
+ VGACommonState vga;
+
+ int invalidated;
+ int depth;
+ int bypp;
+ int enable;
+ int config;
+ struct {
+ int id;
+ int x;
+ int y;
+ int on;
+ } cursor;
+
+ int index;
+ int scratch_size;
+ uint32_t *scratch;
+ int new_width;
+ int new_height;
+ uint32_t guest;
+ uint32_t svgaid;
+ int syncing;
+
+ MemoryRegion fifo_ram;
+ uint8_t *fifo_ptr;
+ unsigned int fifo_size;
+
+ union {
+ uint32_t *fifo;
+ struct QEMU_PACKED {
+ uint32_t min;
+ uint32_t max;
+ uint32_t next_cmd;
+ uint32_t stop;
+ /* Add registers here when adding capabilities. */
+ uint32_t fifo[0];
+ } *cmd;
+ };
+
+#define REDRAW_FIFO_LEN 512
+ struct vmsvga_rect_s {
+ int x, y, w, h;
+ } redraw_fifo[REDRAW_FIFO_LEN];
+ int redraw_fifo_first, redraw_fifo_last;
+};
+
+struct pci_vmsvga_state_s {
+ PCIDevice card;
+ struct vmsvga_state_s chip;
+ MemoryRegion io_bar;
+};
+
+#define SVGA_MAGIC 0x900000UL
+#define SVGA_MAKE_ID(ver) (SVGA_MAGIC << 8 | (ver))
+#define SVGA_ID_0 SVGA_MAKE_ID(0)
+#define SVGA_ID_1 SVGA_MAKE_ID(1)
+#define SVGA_ID_2 SVGA_MAKE_ID(2)
+
+#define SVGA_LEGACY_BASE_PORT 0x4560
+#define SVGA_INDEX_PORT 0x0
+#define SVGA_VALUE_PORT 0x1
+#define SVGA_BIOS_PORT 0x2
+
+#define SVGA_VERSION_2
+
+#ifdef SVGA_VERSION_2
+# define SVGA_ID SVGA_ID_2
+# define SVGA_IO_BASE SVGA_LEGACY_BASE_PORT
+# define SVGA_IO_MUL 1
+# define SVGA_FIFO_SIZE 0x10000
+# define SVGA_PCI_DEVICE_ID PCI_DEVICE_ID_VMWARE_SVGA2
+#else
+# define SVGA_ID SVGA_ID_1
+# define SVGA_IO_BASE SVGA_LEGACY_BASE_PORT
+# define SVGA_IO_MUL 4
+# define SVGA_FIFO_SIZE 0x10000
+# define SVGA_PCI_DEVICE_ID PCI_DEVICE_ID_VMWARE_SVGA
+#endif
+
+enum {
+ /* ID 0, 1 and 2 registers */
+ SVGA_REG_ID = 0,
+ SVGA_REG_ENABLE = 1,
+ SVGA_REG_WIDTH = 2,
+ SVGA_REG_HEIGHT = 3,
+ SVGA_REG_MAX_WIDTH = 4,
+ SVGA_REG_MAX_HEIGHT = 5,
+ SVGA_REG_DEPTH = 6,
+ SVGA_REG_BITS_PER_PIXEL = 7, /* Current bpp in the guest */
+ SVGA_REG_PSEUDOCOLOR = 8,
+ SVGA_REG_RED_MASK = 9,
+ SVGA_REG_GREEN_MASK = 10,
+ SVGA_REG_BLUE_MASK = 11,
+ SVGA_REG_BYTES_PER_LINE = 12,
+ SVGA_REG_FB_START = 13,
+ SVGA_REG_FB_OFFSET = 14,
+ SVGA_REG_VRAM_SIZE = 15,
+ SVGA_REG_FB_SIZE = 16,
+
+ /* ID 1 and 2 registers */
+ SVGA_REG_CAPABILITIES = 17,
+ SVGA_REG_MEM_START = 18, /* Memory for command FIFO */
+ SVGA_REG_MEM_SIZE = 19,
+ SVGA_REG_CONFIG_DONE = 20, /* Set when memory area configured */
+ SVGA_REG_SYNC = 21, /* Write to force synchronization */
+ SVGA_REG_BUSY = 22, /* Read to check if sync is done */
+ SVGA_REG_GUEST_ID = 23, /* Set guest OS identifier */
+ SVGA_REG_CURSOR_ID = 24, /* ID of cursor */
+ SVGA_REG_CURSOR_X = 25, /* Set cursor X position */
+ SVGA_REG_CURSOR_Y = 26, /* Set cursor Y position */
+ SVGA_REG_CURSOR_ON = 27, /* Turn cursor on/off */
+ SVGA_REG_HOST_BITS_PER_PIXEL = 28, /* Current bpp in the host */
+ SVGA_REG_SCRATCH_SIZE = 29, /* Number of scratch registers */
+ SVGA_REG_MEM_REGS = 30, /* Number of FIFO registers */
+ SVGA_REG_NUM_DISPLAYS = 31, /* Number of guest displays */
+ SVGA_REG_PITCHLOCK = 32, /* Fixed pitch for all modes */
+
+ SVGA_PALETTE_BASE = 1024, /* Base of SVGA color map */
+ SVGA_PALETTE_END = SVGA_PALETTE_BASE + 767,
+ SVGA_SCRATCH_BASE = SVGA_PALETTE_BASE + 768,
+};
+
+#define SVGA_CAP_NONE 0
+#define SVGA_CAP_RECT_FILL (1 << 0)
+#define SVGA_CAP_RECT_COPY (1 << 1)
+#define SVGA_CAP_RECT_PAT_FILL (1 << 2)
+#define SVGA_CAP_LEGACY_OFFSCREEN (1 << 3)
+#define SVGA_CAP_RASTER_OP (1 << 4)
+#define SVGA_CAP_CURSOR (1 << 5)
+#define SVGA_CAP_CURSOR_BYPASS (1 << 6)
+#define SVGA_CAP_CURSOR_BYPASS_2 (1 << 7)
+#define SVGA_CAP_8BIT_EMULATION (1 << 8)
+#define SVGA_CAP_ALPHA_CURSOR (1 << 9)
+#define SVGA_CAP_GLYPH (1 << 10)
+#define SVGA_CAP_GLYPH_CLIPPING (1 << 11)
+#define SVGA_CAP_OFFSCREEN_1 (1 << 12)
+#define SVGA_CAP_ALPHA_BLEND (1 << 13)
+#define SVGA_CAP_3D (1 << 14)
+#define SVGA_CAP_EXTENDED_FIFO (1 << 15)
+#define SVGA_CAP_MULTIMON (1 << 16)
+#define SVGA_CAP_PITCHLOCK (1 << 17)
+
+/*
+ * FIFO offsets (seen as an array of 32-bit words)
+ */
+enum {
+ /*
+ * The original defined FIFO offsets
+ */
+ SVGA_FIFO_MIN = 0,
+ SVGA_FIFO_MAX, /* The distance from MIN to MAX must be at least 10K */
+ SVGA_FIFO_NEXT_CMD,
+ SVGA_FIFO_STOP,
+
+ /*
+ * Additional offsets added as of SVGA_CAP_EXTENDED_FIFO
+ */
+ SVGA_FIFO_CAPABILITIES = 4,
+ SVGA_FIFO_FLAGS,
+ SVGA_FIFO_FENCE,
+ SVGA_FIFO_3D_HWVERSION,
+ SVGA_FIFO_PITCHLOCK,
+};
+
+#define SVGA_FIFO_CAP_NONE 0
+#define SVGA_FIFO_CAP_FENCE (1 << 0)
+#define SVGA_FIFO_CAP_ACCELFRONT (1 << 1)
+#define SVGA_FIFO_CAP_PITCHLOCK (1 << 2)
+
+#define SVGA_FIFO_FLAG_NONE 0
+#define SVGA_FIFO_FLAG_ACCELFRONT (1 << 0)
+
+/* These values can probably be changed arbitrarily. */
+#define SVGA_SCRATCH_SIZE 0x8000
+#define SVGA_MAX_WIDTH 2360
+#define SVGA_MAX_HEIGHT 1770
+
+#ifdef VERBOSE
+# define GUEST_OS_BASE 0x5001
+static const char *vmsvga_guest_id[] = {
+ [0x00] = "Dos",
+ [0x01] = "Windows 3.1",
+ [0x02] = "Windows 95",
+ [0x03] = "Windows 98",
+ [0x04] = "Windows ME",
+ [0x05] = "Windows NT",
+ [0x06] = "Windows 2000",
+ [0x07] = "Linux",
+ [0x08] = "OS/2",
+ [0x09] = "an unknown OS",
+ [0x0a] = "BSD",
+ [0x0b] = "Whistler",
+ [0x0c] = "an unknown OS",
+ [0x0d] = "an unknown OS",
+ [0x0e] = "an unknown OS",
+ [0x0f] = "an unknown OS",
+ [0x10] = "an unknown OS",
+ [0x11] = "an unknown OS",
+ [0x12] = "an unknown OS",
+ [0x13] = "an unknown OS",
+ [0x14] = "an unknown OS",
+ [0x15] = "Windows 2003",
+};
+#endif
+
+enum {
+ SVGA_CMD_INVALID_CMD = 0,
+ SVGA_CMD_UPDATE = 1,
+ SVGA_CMD_RECT_FILL = 2,
+ SVGA_CMD_RECT_COPY = 3,
+ SVGA_CMD_DEFINE_BITMAP = 4,
+ SVGA_CMD_DEFINE_BITMAP_SCANLINE = 5,
+ SVGA_CMD_DEFINE_PIXMAP = 6,
+ SVGA_CMD_DEFINE_PIXMAP_SCANLINE = 7,
+ SVGA_CMD_RECT_BITMAP_FILL = 8,
+ SVGA_CMD_RECT_PIXMAP_FILL = 9,
+ SVGA_CMD_RECT_BITMAP_COPY = 10,
+ SVGA_CMD_RECT_PIXMAP_COPY = 11,
+ SVGA_CMD_FREE_OBJECT = 12,
+ SVGA_CMD_RECT_ROP_FILL = 13,
+ SVGA_CMD_RECT_ROP_COPY = 14,
+ SVGA_CMD_RECT_ROP_BITMAP_FILL = 15,
+ SVGA_CMD_RECT_ROP_PIXMAP_FILL = 16,
+ SVGA_CMD_RECT_ROP_BITMAP_COPY = 17,
+ SVGA_CMD_RECT_ROP_PIXMAP_COPY = 18,
+ SVGA_CMD_DEFINE_CURSOR = 19,
+ SVGA_CMD_DISPLAY_CURSOR = 20,
+ SVGA_CMD_MOVE_CURSOR = 21,
+ SVGA_CMD_DEFINE_ALPHA_CURSOR = 22,
+ SVGA_CMD_DRAW_GLYPH = 23,
+ SVGA_CMD_DRAW_GLYPH_CLIPPED = 24,
+ SVGA_CMD_UPDATE_VERBOSE = 25,
+ SVGA_CMD_SURFACE_FILL = 26,
+ SVGA_CMD_SURFACE_COPY = 27,
+ SVGA_CMD_SURFACE_ALPHA_BLEND = 28,
+ SVGA_CMD_FRONT_ROP_FILL = 29,
+ SVGA_CMD_FENCE = 30,
+};
+
+/* Legal values for the SVGA_REG_CURSOR_ON register in cursor bypass mode */
+enum {
+ SVGA_CURSOR_ON_HIDE = 0,
+ SVGA_CURSOR_ON_SHOW = 1,
+ SVGA_CURSOR_ON_REMOVE_FROM_FB = 2,
+ SVGA_CURSOR_ON_RESTORE_TO_FB = 3,
+};
+
+static inline void vmsvga_update_rect(struct vmsvga_state_s *s,
+ int x, int y, int w, int h)
+{
+ DisplaySurface *surface = qemu_console_surface(s->vga.con);
+ int line;
+ int bypl;
+ int width;
+ int start;
+ uint8_t *src;
+ uint8_t *dst;
+
+ if (x < 0) {
+ fprintf(stderr, "%s: update x was < 0 (%d)\n", __func__, x);
+ w += x;
+ x = 0;
+ }
+ if (w < 0) {
+ fprintf(stderr, "%s: update w was < 0 (%d)\n", __func__, w);
+ w = 0;
+ }
+ if (x + w > surface_width(surface)) {
+ fprintf(stderr, "%s: update width too large x: %d, w: %d\n",
+ __func__, x, w);
+ x = MIN(x, surface_width(surface));
+ w = surface_width(surface) - x;
+ }
+
+ if (y < 0) {
+ fprintf(stderr, "%s: update y was < 0 (%d)\n", __func__, y);
+ h += y;
+ y = 0;
+ }
+ if (h < 0) {
+ fprintf(stderr, "%s: update h was < 0 (%d)\n", __func__, h);
+ h = 0;
+ }
+ if (y + h > surface_height(surface)) {
+ fprintf(stderr, "%s: update height too large y: %d, h: %d\n",
+ __func__, y, h);
+ y = MIN(y, surface_height(surface));
+ h = surface_height(surface) - y;
+ }
+
+ bypl = surface_stride(surface);
+ width = surface_bytes_per_pixel(surface) * w;
+ start = surface_bytes_per_pixel(surface) * x + bypl * y;
+ src = s->vga.vram_ptr + start;
+ dst = surface_data(surface) + start;
+
+ for (line = h; line > 0; line--, src += bypl, dst += bypl) {
+ memcpy(dst, src, width);
+ }
+ dpy_gfx_update(s->vga.con, x, y, w, h);
+}
+
+static inline void vmsvga_update_rect_delayed(struct vmsvga_state_s *s,
+ int x, int y, int w, int h)
+{
+ struct vmsvga_rect_s *rect = &s->redraw_fifo[s->redraw_fifo_last++];
+
+ s->redraw_fifo_last &= REDRAW_FIFO_LEN - 1;
+ rect->x = x;
+ rect->y = y;
+ rect->w = w;
+ rect->h = h;
+}
+
+static inline void vmsvga_update_rect_flush(struct vmsvga_state_s *s)
+{
+ struct vmsvga_rect_s *rect;
+
+ if (s->invalidated) {
+ s->redraw_fifo_first = s->redraw_fifo_last;
+ return;
+ }
+ /* Overlapping region updates can be optimised out here - if someone
+ * knows a smart algorithm to do that, please share. */
+ while (s->redraw_fifo_first != s->redraw_fifo_last) {
+ rect = &s->redraw_fifo[s->redraw_fifo_first++];
+ s->redraw_fifo_first &= REDRAW_FIFO_LEN - 1;
+ vmsvga_update_rect(s, rect->x, rect->y, rect->w, rect->h);
+ }
+}
+
+#ifdef HW_RECT_ACCEL
+static inline void vmsvga_copy_rect(struct vmsvga_state_s *s,
+ int x0, int y0, int x1, int y1, int w, int h)
+{
+ DisplaySurface *surface = qemu_console_surface(s->vga.con);
+ uint8_t *vram = s->vga.vram_ptr;
+ int bypl = surface_stride(surface);
+ int bypp = surface_bytes_per_pixel(surface);
+ int width = bypp * w;
+ int line = h;
+ uint8_t *ptr[2];
+
+ if (y1 > y0) {
+ ptr[0] = vram + bypp * x0 + bypl * (y0 + h - 1);
+ ptr[1] = vram + bypp * x1 + bypl * (y1 + h - 1);
+ for (; line > 0; line --, ptr[0] -= bypl, ptr[1] -= bypl) {
+ memmove(ptr[1], ptr[0], width);
+ }
+ } else {
+ ptr[0] = vram + bypp * x0 + bypl * y0;
+ ptr[1] = vram + bypp * x1 + bypl * y1;
+ for (; line > 0; line --, ptr[0] += bypl, ptr[1] += bypl) {
+ memmove(ptr[1], ptr[0], width);
+ }
+ }
+
+ vmsvga_update_rect_delayed(s, x1, y1, w, h);
+}
+#endif
+
+#ifdef HW_FILL_ACCEL
+static inline void vmsvga_fill_rect(struct vmsvga_state_s *s,
+ uint32_t c, int x, int y, int w, int h)
+{
+ DisplaySurface *surface = qemu_console_surface(s->vga.con);
+ int bypl = surface_stride(surface);
+ int width = surface_bytes_per_pixel(surface) * w;
+ int line = h;
+ int column;
+ uint8_t *fst;
+ uint8_t *dst;
+ uint8_t *src;
+ uint8_t col[4];
+
+ col[0] = c;
+ col[1] = c >> 8;
+ col[2] = c >> 16;
+ col[3] = c >> 24;
+
+ fst = s->vga.vram_ptr + surface_bytes_per_pixel(surface) * x + bypl * y;
+
+ if (line--) {
+ dst = fst;
+ src = col;
+ for (column = width; column > 0; column--) {
+ *(dst++) = *(src++);
+ if (src - col == surface_bytes_per_pixel(surface)) {
+ src = col;
+ }
+ }
+ dst = fst;
+ for (; line > 0; line--) {
+ dst += bypl;
+ memcpy(dst, fst, width);
+ }
+ }
+
+ vmsvga_update_rect_delayed(s, x, y, w, h);
+}
+#endif
+
+struct vmsvga_cursor_definition_s {
+ int width;
+ int height;
+ int id;
+ int bpp;
+ int hot_x;
+ int hot_y;
+ uint32_t mask[1024];
+ uint32_t image[4096];
+};
+
+#define SVGA_BITMAP_SIZE(w, h) ((((w) + 31) >> 5) * (h))
+#define SVGA_PIXMAP_SIZE(w, h, bpp) (((((w) * (bpp)) + 31) >> 5) * (h))
+
+#ifdef HW_MOUSE_ACCEL
+static inline void vmsvga_cursor_define(struct vmsvga_state_s *s,
+ struct vmsvga_cursor_definition_s *c)
+{
+ QEMUCursor *qc;
+ int i, pixels;
+
+ qc = cursor_alloc(c->width, c->height);
+ qc->hot_x = c->hot_x;
+ qc->hot_y = c->hot_y;
+ switch (c->bpp) {
+ case 1:
+ cursor_set_mono(qc, 0xffffff, 0x000000, (void *)c->image,
+ 1, (void *)c->mask);
+#ifdef DEBUG
+ cursor_print_ascii_art(qc, "vmware/mono");
+#endif
+ break;
+ case 32:
+ /* fill alpha channel from mask, set color to zero */
+ cursor_set_mono(qc, 0x000000, 0x000000, (void *)c->mask,
+ 1, (void *)c->mask);
+ /* add in rgb values */
+ pixels = c->width * c->height;
+ for (i = 0; i < pixels; i++) {
+ qc->data[i] |= c->image[i] & 0xffffff;
+ }
+#ifdef DEBUG
+ cursor_print_ascii_art(qc, "vmware/32bit");
+#endif
+ break;
+ default:
+ fprintf(stderr, "%s: unhandled bpp %d, using fallback cursor\n",
+ __func__, c->bpp);
+ cursor_put(qc);
+ qc = cursor_builtin_left_ptr();
+ }
+
+ dpy_cursor_define(s->vga.con, qc);
+ cursor_put(qc);
+}
+#endif
+
+#define CMD(f) le32_to_cpu(s->cmd->f)
+
+static inline int vmsvga_fifo_length(struct vmsvga_state_s *s)
+{
+ int num;
+
+ if (!s->config || !s->enable) {
+ return 0;
+ }
+ num = CMD(next_cmd) - CMD(stop);
+ if (num < 0) {
+ num += CMD(max) - CMD(min);
+ }
+ return num >> 2;
+}
+
+static inline uint32_t vmsvga_fifo_read_raw(struct vmsvga_state_s *s)
+{
+ uint32_t cmd = s->fifo[CMD(stop) >> 2];
+
+ s->cmd->stop = cpu_to_le32(CMD(stop) + 4);
+ if (CMD(stop) >= CMD(max)) {
+ s->cmd->stop = s->cmd->min;
+ }
+ return cmd;
+}
+
+static inline uint32_t vmsvga_fifo_read(struct vmsvga_state_s *s)
+{
+ return le32_to_cpu(vmsvga_fifo_read_raw(s));
+}
+
+static void vmsvga_fifo_run(struct vmsvga_state_s *s)
+{
+ uint32_t cmd, colour;
+ int args, len;
+ int x, y, dx, dy, width, height;
+ struct vmsvga_cursor_definition_s cursor;
+ uint32_t cmd_start;
+
+ len = vmsvga_fifo_length(s);
+ while (len > 0) {
+ /* May need to go back to the start of the command if incomplete */
+ cmd_start = s->cmd->stop;
+
+ switch (cmd = vmsvga_fifo_read(s)) {
+ case SVGA_CMD_UPDATE:
+ case SVGA_CMD_UPDATE_VERBOSE:
+ len -= 5;
+ if (len < 0) {
+ goto rewind;
+ }
+
+ x = vmsvga_fifo_read(s);
+ y = vmsvga_fifo_read(s);
+ width = vmsvga_fifo_read(s);
+ height = vmsvga_fifo_read(s);
+ vmsvga_update_rect_delayed(s, x, y, width, height);
+ break;
+
+ case SVGA_CMD_RECT_FILL:
+ len -= 6;
+ if (len < 0) {
+ goto rewind;
+ }
+
+ colour = vmsvga_fifo_read(s);
+ x = vmsvga_fifo_read(s);
+ y = vmsvga_fifo_read(s);
+ width = vmsvga_fifo_read(s);
+ height = vmsvga_fifo_read(s);
+#ifdef HW_FILL_ACCEL
+ vmsvga_fill_rect(s, colour, x, y, width, height);
+ break;
+#else
+ args = 0;
+ goto badcmd;
+#endif
+
+ case SVGA_CMD_RECT_COPY:
+ len -= 7;
+ if (len < 0) {
+ goto rewind;
+ }
+
+ x = vmsvga_fifo_read(s);
+ y = vmsvga_fifo_read(s);
+ dx = vmsvga_fifo_read(s);
+ dy = vmsvga_fifo_read(s);
+ width = vmsvga_fifo_read(s);
+ height = vmsvga_fifo_read(s);
+#ifdef HW_RECT_ACCEL
+ vmsvga_copy_rect(s, x, y, dx, dy, width, height);
+ break;
+#else
+ args = 0;
+ goto badcmd;
+#endif
+
+ case SVGA_CMD_DEFINE_CURSOR:
+ len -= 8;
+ if (len < 0) {
+ goto rewind;
+ }
+
+ cursor.id = vmsvga_fifo_read(s);
+ cursor.hot_x = vmsvga_fifo_read(s);
+ cursor.hot_y = vmsvga_fifo_read(s);
+ cursor.width = x = vmsvga_fifo_read(s);
+ cursor.height = y = vmsvga_fifo_read(s);
+ vmsvga_fifo_read(s);
+ cursor.bpp = vmsvga_fifo_read(s);
+
+ args = SVGA_BITMAP_SIZE(x, y) + SVGA_PIXMAP_SIZE(x, y, cursor.bpp);
+ if (SVGA_BITMAP_SIZE(x, y) > sizeof cursor.mask ||
+ SVGA_PIXMAP_SIZE(x, y, cursor.bpp) > sizeof cursor.image) {
+ goto badcmd;
+ }
+
+ len -= args;
+ if (len < 0) {
+ goto rewind;
+ }
+
+ for (args = 0; args < SVGA_BITMAP_SIZE(x, y); args++) {
+ cursor.mask[args] = vmsvga_fifo_read_raw(s);
+ }
+ for (args = 0; args < SVGA_PIXMAP_SIZE(x, y, cursor.bpp); args++) {
+ cursor.image[args] = vmsvga_fifo_read_raw(s);
+ }
+#ifdef HW_MOUSE_ACCEL
+ vmsvga_cursor_define(s, &cursor);
+ break;
+#else
+ args = 0;
+ goto badcmd;
+#endif
+
+ /*
+ * Other commands that we at least know the number of arguments
+ * for so we can avoid FIFO desync if driver uses them illegally.
+ */
+ case SVGA_CMD_DEFINE_ALPHA_CURSOR:
+ len -= 6;
+ if (len < 0) {
+ goto rewind;
+ }
+ vmsvga_fifo_read(s);
+ vmsvga_fifo_read(s);
+ vmsvga_fifo_read(s);
+ x = vmsvga_fifo_read(s);
+ y = vmsvga_fifo_read(s);
+ args = x * y;
+ goto badcmd;
+ case SVGA_CMD_RECT_ROP_FILL:
+ args = 6;
+ goto badcmd;
+ case SVGA_CMD_RECT_ROP_COPY:
+ args = 7;
+ goto badcmd;
+ case SVGA_CMD_DRAW_GLYPH_CLIPPED:
+ len -= 4;
+ if (len < 0) {
+ goto rewind;
+ }
+ vmsvga_fifo_read(s);
+ vmsvga_fifo_read(s);
+ args = 7 + (vmsvga_fifo_read(s) >> 2);
+ goto badcmd;
+ case SVGA_CMD_SURFACE_ALPHA_BLEND:
+ args = 12;
+ goto badcmd;
+
+ /*
+ * Other commands that are not listed as depending on any
+ * CAPABILITIES bits, but are not described in the README either.
+ */
+ case SVGA_CMD_SURFACE_FILL:
+ case SVGA_CMD_SURFACE_COPY:
+ case SVGA_CMD_FRONT_ROP_FILL:
+ case SVGA_CMD_FENCE:
+ case SVGA_CMD_INVALID_CMD:
+ break; /* Nop */
+
+ default:
+ args = 0;
+ badcmd:
+ len -= args;
+ if (len < 0) {
+ goto rewind;
+ }
+ while (args--) {
+ vmsvga_fifo_read(s);
+ }
+ printf("%s: Unknown command 0x%02x in SVGA command FIFO\n",
+ __func__, cmd);
+ break;
+
+ rewind:
+ s->cmd->stop = cmd_start;
+ break;
+ }
+ }
+
+ s->syncing = 0;
+}
+
+static uint32_t vmsvga_index_read(void *opaque, uint32_t address)
+{
+ struct vmsvga_state_s *s = opaque;
+
+ return s->index;
+}
+
+static void vmsvga_index_write(void *opaque, uint32_t address, uint32_t index)
+{
+ struct vmsvga_state_s *s = opaque;
+
+ s->index = index;
+}
+
+static uint32_t vmsvga_value_read(void *opaque, uint32_t address)
+{
+ uint32_t caps;
+ struct vmsvga_state_s *s = opaque;
+ DisplaySurface *surface = qemu_console_surface(s->vga.con);
+
+ switch (s->index) {
+ case SVGA_REG_ID:
+ return s->svgaid;
+
+ case SVGA_REG_ENABLE:
+ return s->enable;
+
+ case SVGA_REG_WIDTH:
+ return surface_width(surface);
+
+ case SVGA_REG_HEIGHT:
+ return surface_height(surface);
+
+ case SVGA_REG_MAX_WIDTH:
+ return SVGA_MAX_WIDTH;
+
+ case SVGA_REG_MAX_HEIGHT:
+ return SVGA_MAX_HEIGHT;
+
+ case SVGA_REG_DEPTH:
+ return s->depth;
+
+ case SVGA_REG_BITS_PER_PIXEL:
+ return (s->depth + 7) & ~7;
+
+ case SVGA_REG_PSEUDOCOLOR:
+ return 0x0;
+
+ case SVGA_REG_RED_MASK:
+ return surface->pf.rmask;
+
+ case SVGA_REG_GREEN_MASK:
+ return surface->pf.gmask;
+
+ case SVGA_REG_BLUE_MASK:
+ return surface->pf.bmask;
+
+ case SVGA_REG_BYTES_PER_LINE:
+ return s->bypp * s->new_width;
+
+ case SVGA_REG_FB_START: {
+ struct pci_vmsvga_state_s *pci_vmsvga
+ = container_of(s, struct pci_vmsvga_state_s, chip);
+ return pci_get_bar_addr(&pci_vmsvga->card, 1);
+ }
+
+ case SVGA_REG_FB_OFFSET:
+ return 0x0;
+
+ case SVGA_REG_VRAM_SIZE:
+ return s->vga.vram_size; /* No physical VRAM besides the framebuffer */
+
+ case SVGA_REG_FB_SIZE:
+ return s->vga.vram_size;
+
+ case SVGA_REG_CAPABILITIES:
+ caps = SVGA_CAP_NONE;
+#ifdef HW_RECT_ACCEL
+ caps |= SVGA_CAP_RECT_COPY;
+#endif
+#ifdef HW_FILL_ACCEL
+ caps |= SVGA_CAP_RECT_FILL;
+#endif
+#ifdef HW_MOUSE_ACCEL
+ if (dpy_cursor_define_supported(s->vga.con)) {
+ caps |= SVGA_CAP_CURSOR | SVGA_CAP_CURSOR_BYPASS_2 |
+ SVGA_CAP_CURSOR_BYPASS;
+ }
+#endif
+ return caps;
+
+ case SVGA_REG_MEM_START: {
+ struct pci_vmsvga_state_s *pci_vmsvga
+ = container_of(s, struct pci_vmsvga_state_s, chip);
+ return pci_get_bar_addr(&pci_vmsvga->card, 2);
+ }
+
+ case SVGA_REG_MEM_SIZE:
+ return s->fifo_size;
+
+ case SVGA_REG_CONFIG_DONE:
+ return s->config;
+
+ case SVGA_REG_SYNC:
+ case SVGA_REG_BUSY:
+ return s->syncing;
+
+ case SVGA_REG_GUEST_ID:
+ return s->guest;
+
+ case SVGA_REG_CURSOR_ID:
+ return s->cursor.id;
+
+ case SVGA_REG_CURSOR_X:
+ return s->cursor.x;
+
+ case SVGA_REG_CURSOR_Y:
+ return s->cursor.x;
+
+ case SVGA_REG_CURSOR_ON:
+ return s->cursor.on;
+
+ case SVGA_REG_HOST_BITS_PER_PIXEL:
+ return (s->depth + 7) & ~7;
+
+ case SVGA_REG_SCRATCH_SIZE:
+ return s->scratch_size;
+
+ case SVGA_REG_MEM_REGS:
+ case SVGA_REG_NUM_DISPLAYS:
+ case SVGA_REG_PITCHLOCK:
+ case SVGA_PALETTE_BASE ... SVGA_PALETTE_END:
+ return 0;
+
+ default:
+ if (s->index >= SVGA_SCRATCH_BASE &&
+ s->index < SVGA_SCRATCH_BASE + s->scratch_size) {
+ return s->scratch[s->index - SVGA_SCRATCH_BASE];
+ }
+ printf("%s: Bad register %02x\n", __func__, s->index);
+ }
+
+ return 0;
+}
+
+static void vmsvga_value_write(void *opaque, uint32_t address, uint32_t value)
+{
+ struct vmsvga_state_s *s = opaque;
+
+ switch (s->index) {
+ case SVGA_REG_ID:
+ if (value == SVGA_ID_2 || value == SVGA_ID_1 || value == SVGA_ID_0) {
+ s->svgaid = value;
+ }
+ break;
+
+ case SVGA_REG_ENABLE:
+ s->enable = !!value;
+ s->invalidated = 1;
+ s->vga.invalidate(&s->vga);
+ if (s->enable && s->config) {
+ vga_dirty_log_stop(&s->vga);
+ } else {
+ vga_dirty_log_start(&s->vga);
+ }
+ break;
+
+ case SVGA_REG_WIDTH:
+ if (value <= SVGA_MAX_WIDTH) {
+ s->new_width = value;
+ s->invalidated = 1;
+ } else {
+ printf("%s: Bad width: %i\n", __func__, value);
+ }
+ break;
+
+ case SVGA_REG_HEIGHT:
+ if (value <= SVGA_MAX_HEIGHT) {
+ s->new_height = value;
+ s->invalidated = 1;
+ } else {
+ printf("%s: Bad height: %i\n", __func__, value);
+ }
+ break;
+
+ case SVGA_REG_BITS_PER_PIXEL:
+ if (value != s->depth) {
+ printf("%s: Bad bits per pixel: %i bits\n", __func__, value);
+ s->config = 0;
+ }
+ break;
+
+ case SVGA_REG_CONFIG_DONE:
+ if (value) {
+ s->fifo = (uint32_t *) s->fifo_ptr;
+ /* Check range and alignment. */
+ if ((CMD(min) | CMD(max) | CMD(next_cmd) | CMD(stop)) & 3) {
+ break;
+ }
+ if (CMD(min) < (uint8_t *) s->cmd->fifo - (uint8_t *) s->fifo) {
+ break;
+ }
+ if (CMD(max) > SVGA_FIFO_SIZE) {
+ break;
+ }
+ if (CMD(max) < CMD(min) + 10 * 1024) {
+ break;
+ }
+ vga_dirty_log_stop(&s->vga);
+ }
+ s->config = !!value;
+ break;
+
+ case SVGA_REG_SYNC:
+ s->syncing = 1;
+ vmsvga_fifo_run(s); /* Or should we just wait for update_display? */
+ break;
+
+ case SVGA_REG_GUEST_ID:
+ s->guest = value;
+#ifdef VERBOSE
+ if (value >= GUEST_OS_BASE && value < GUEST_OS_BASE +
+ ARRAY_SIZE(vmsvga_guest_id)) {
+ printf("%s: guest runs %s.\n", __func__,
+ vmsvga_guest_id[value - GUEST_OS_BASE]);
+ }
+#endif
+ break;
+
+ case SVGA_REG_CURSOR_ID:
+ s->cursor.id = value;
+ break;
+
+ case SVGA_REG_CURSOR_X:
+ s->cursor.x = value;
+ break;
+
+ case SVGA_REG_CURSOR_Y:
+ s->cursor.y = value;
+ break;
+
+ case SVGA_REG_CURSOR_ON:
+ s->cursor.on |= (value == SVGA_CURSOR_ON_SHOW);
+ s->cursor.on &= (value != SVGA_CURSOR_ON_HIDE);
+#ifdef HW_MOUSE_ACCEL
+ if (value <= SVGA_CURSOR_ON_SHOW) {
+ dpy_mouse_set(s->vga.con, s->cursor.x, s->cursor.y, s->cursor.on);
+ }
+#endif
+ break;
+
+ case SVGA_REG_DEPTH:
+ case SVGA_REG_MEM_REGS:
+ case SVGA_REG_NUM_DISPLAYS:
+ case SVGA_REG_PITCHLOCK:
+ case SVGA_PALETTE_BASE ... SVGA_PALETTE_END:
+ break;
+
+ default:
+ if (s->index >= SVGA_SCRATCH_BASE &&
+ s->index < SVGA_SCRATCH_BASE + s->scratch_size) {
+ s->scratch[s->index - SVGA_SCRATCH_BASE] = value;
+ break;
+ }
+ printf("%s: Bad register %02x\n", __func__, s->index);
+ }
+}
+
+static uint32_t vmsvga_bios_read(void *opaque, uint32_t address)
+{
+ printf("%s: what are we supposed to return?\n", __func__);
+ return 0xcafe;
+}
+
+static void vmsvga_bios_write(void *opaque, uint32_t address, uint32_t data)
+{
+ printf("%s: what are we supposed to do with (%08x)?\n", __func__, data);
+}
+
+static inline void vmsvga_check_size(struct vmsvga_state_s *s)
+{
+ DisplaySurface *surface = qemu_console_surface(s->vga.con);
+
+ if (s->new_width != surface_width(surface) ||
+ s->new_height != surface_height(surface)) {
+ qemu_console_resize(s->vga.con, s->new_width, s->new_height);
+ s->invalidated = 1;
+ }
+}
+
+static void vmsvga_update_display(void *opaque)
+{
+ struct vmsvga_state_s *s = opaque;
+ DisplaySurface *surface = qemu_console_surface(s->vga.con);
+ bool dirty = false;
+
+ if (!s->enable) {
+ s->vga.update(&s->vga);
+ return;
+ }
+
+ vmsvga_check_size(s);
+
+ vmsvga_fifo_run(s);
+ vmsvga_update_rect_flush(s);
+
+ /*
+ * Is it more efficient to look at vram VGA-dirty bits or wait
+ * for the driver to issue SVGA_CMD_UPDATE?
+ */
+ if (memory_region_is_logging(&s->vga.vram)) {
+ vga_sync_dirty_bitmap(&s->vga);
+ dirty = memory_region_get_dirty(&s->vga.vram, 0,
+ surface_stride(surface) * surface_height(surface),
+ DIRTY_MEMORY_VGA);
+ }
+ if (s->invalidated || dirty) {
+ s->invalidated = 0;
+ memcpy(surface_data(surface), s->vga.vram_ptr,
+ surface_stride(surface) * surface_height(surface));
+ dpy_gfx_update(s->vga.con, 0, 0,
+ surface_width(surface), surface_height(surface));
+ }
+ if (dirty) {
+ memory_region_reset_dirty(&s->vga.vram, 0,
+ surface_stride(surface) * surface_height(surface),
+ DIRTY_MEMORY_VGA);
+ }
+}
+
+static void vmsvga_reset(DeviceState *dev)
+{
+ struct pci_vmsvga_state_s *pci =
+ DO_UPCAST(struct pci_vmsvga_state_s, card.qdev, dev);
+ struct vmsvga_state_s *s = &pci->chip;
+
+ s->index = 0;
+ s->enable = 0;
+ s->config = 0;
+ s->svgaid = SVGA_ID;
+ s->cursor.on = 0;
+ s->redraw_fifo_first = 0;
+ s->redraw_fifo_last = 0;
+ s->syncing = 0;
+
+ vga_dirty_log_start(&s->vga);
+}
+
+static void vmsvga_invalidate_display(void *opaque)
+{
+ struct vmsvga_state_s *s = opaque;
+ if (!s->enable) {
+ s->vga.invalidate(&s->vga);
+ return;
+ }
+
+ s->invalidated = 1;
+}
+
+/* save the vga display in a PPM image even if no display is
+ available */
+static void vmsvga_screen_dump(void *opaque, const char *filename, bool cswitch,
+ Error **errp)
+{
+ struct vmsvga_state_s *s = opaque;
+ DisplaySurface *surface = qemu_console_surface(s->vga.con);
+
+ if (!s->enable) {
+ s->vga.screen_dump(&s->vga, filename, cswitch, errp);
+ return;
+ }
+
+ if (surface_bits_per_pixel(surface) == 32) {
+ DisplaySurface *ds = qemu_create_displaysurface_from(
+ surface_width(surface),
+ surface_height(surface),
+ 32,
+ surface_stride(surface),
+ s->vga.vram_ptr, false);
+ ppm_save(filename, ds, errp);
+ g_free(ds);
+ }
+}
+
+static void vmsvga_text_update(void *opaque, console_ch_t *chardata)
+{
+ struct vmsvga_state_s *s = opaque;
+
+ if (s->vga.text_update) {
+ s->vga.text_update(&s->vga, chardata);
+ }
+}
+
+static int vmsvga_post_load(void *opaque, int version_id)
+{
+ struct vmsvga_state_s *s = opaque;
+
+ s->invalidated = 1;
+ if (s->config) {
+ s->fifo = (uint32_t *) s->fifo_ptr;
+ }
+ return 0;
+}
+
+static const VMStateDescription vmstate_vmware_vga_internal = {
+ .name = "vmware_vga_internal",
+ .version_id = 0,
+ .minimum_version_id = 0,
+ .minimum_version_id_old = 0,
+ .post_load = vmsvga_post_load,
+ .fields = (VMStateField[]) {
+ VMSTATE_INT32_EQUAL(depth, struct vmsvga_state_s),
+ VMSTATE_INT32(enable, struct vmsvga_state_s),
+ VMSTATE_INT32(config, struct vmsvga_state_s),
+ VMSTATE_INT32(cursor.id, struct vmsvga_state_s),
+ VMSTATE_INT32(cursor.x, struct vmsvga_state_s),
+ VMSTATE_INT32(cursor.y, struct vmsvga_state_s),
+ VMSTATE_INT32(cursor.on, struct vmsvga_state_s),
+ VMSTATE_INT32(index, struct vmsvga_state_s),
+ VMSTATE_VARRAY_INT32(scratch, struct vmsvga_state_s,
+ scratch_size, 0, vmstate_info_uint32, uint32_t),
+ VMSTATE_INT32(new_width, struct vmsvga_state_s),
+ VMSTATE_INT32(new_height, struct vmsvga_state_s),
+ VMSTATE_UINT32(guest, struct vmsvga_state_s),
+ VMSTATE_UINT32(svgaid, struct vmsvga_state_s),
+ VMSTATE_INT32(syncing, struct vmsvga_state_s),
+ VMSTATE_UNUSED(4), /* was fb_size */
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static const VMStateDescription vmstate_vmware_vga = {
+ .name = "vmware_vga",
+ .version_id = 0,
+ .minimum_version_id = 0,
+ .minimum_version_id_old = 0,
+ .fields = (VMStateField[]) {
+ VMSTATE_PCI_DEVICE(card, struct pci_vmsvga_state_s),
+ VMSTATE_STRUCT(chip, struct pci_vmsvga_state_s, 0,
+ vmstate_vmware_vga_internal, struct vmsvga_state_s),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static void vmsvga_init(struct vmsvga_state_s *s,
+ MemoryRegion *address_space, MemoryRegion *io)
+{
+ DisplaySurface *surface;
+
+ s->scratch_size = SVGA_SCRATCH_SIZE;
+ s->scratch = g_malloc(s->scratch_size * 4);
+
+ s->vga.con = graphic_console_init(vmsvga_update_display,
+ vmsvga_invalidate_display,
+ vmsvga_screen_dump,
+ vmsvga_text_update, s);
+ surface = qemu_console_surface(s->vga.con);
+
+ s->fifo_size = SVGA_FIFO_SIZE;
+ memory_region_init_ram(&s->fifo_ram, "vmsvga.fifo", s->fifo_size);
+ vmstate_register_ram_global(&s->fifo_ram);
+ s->fifo_ptr = memory_region_get_ram_ptr(&s->fifo_ram);
+
+ vga_common_init(&s->vga);
+ vga_init(&s->vga, address_space, io, true);
+ vmstate_register(NULL, 0, &vmstate_vga_common, &s->vga);
+ /* Save some values here in case they are changed later.
+ * This is suspicious and needs more though why it is needed. */
+ s->depth = surface_bits_per_pixel(surface);
+ s->bypp = surface_bytes_per_pixel(surface);
+}
+
+static uint64_t vmsvga_io_read(void *opaque, hwaddr addr, unsigned size)
+{
+ struct vmsvga_state_s *s = opaque;
+
+ switch (addr) {
+ case SVGA_IO_MUL * SVGA_INDEX_PORT: return vmsvga_index_read(s, addr);
+ case SVGA_IO_MUL * SVGA_VALUE_PORT: return vmsvga_value_read(s, addr);
+ case SVGA_IO_MUL * SVGA_BIOS_PORT: return vmsvga_bios_read(s, addr);
+ default: return -1u;
+ }
+}
+
+static void vmsvga_io_write(void *opaque, hwaddr addr,
+ uint64_t data, unsigned size)
+{
+ struct vmsvga_state_s *s = opaque;
+
+ switch (addr) {
+ case SVGA_IO_MUL * SVGA_INDEX_PORT:
+ vmsvga_index_write(s, addr, data);
+ break;
+ case SVGA_IO_MUL * SVGA_VALUE_PORT:
+ vmsvga_value_write(s, addr, data);
+ break;
+ case SVGA_IO_MUL * SVGA_BIOS_PORT:
+ vmsvga_bios_write(s, addr, data);
+ break;
+ }
+}
+
+static const MemoryRegionOps vmsvga_io_ops = {
+ .read = vmsvga_io_read,
+ .write = vmsvga_io_write,
+ .endianness = DEVICE_LITTLE_ENDIAN,
+ .valid = {
+ .min_access_size = 4,
+ .max_access_size = 4,
+ },
+};
+
+static int pci_vmsvga_initfn(PCIDevice *dev)
+{
+ struct pci_vmsvga_state_s *s =
+ DO_UPCAST(struct pci_vmsvga_state_s, card, dev);
+
+ s->card.config[PCI_CACHE_LINE_SIZE] = 0x08; /* Cache line size */
+ s->card.config[PCI_LATENCY_TIMER] = 0x40; /* Latency timer */
+ s->card.config[PCI_INTERRUPT_LINE] = 0xff; /* End */
+
+ memory_region_init_io(&s->io_bar, &vmsvga_io_ops, &s->chip,
+ "vmsvga-io", 0x10);
+ memory_region_set_flush_coalesced(&s->io_bar);
+ pci_register_bar(&s->card, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io_bar);
+
+ vmsvga_init(&s->chip, pci_address_space(dev), pci_address_space_io(dev));
+
+ pci_register_bar(&s->card, 1, PCI_BASE_ADDRESS_MEM_PREFETCH,
+ &s->chip.vga.vram);
+ pci_register_bar(&s->card, 2, PCI_BASE_ADDRESS_MEM_PREFETCH,
+ &s->chip.fifo_ram);
+
+ if (!dev->rom_bar) {
+ /* compatibility with pc-0.13 and older */
+ vga_init_vbe(&s->chip.vga, pci_address_space(dev));
+ }
+
+ return 0;
+}
+
+static Property vga_vmware_properties[] = {
+ DEFINE_PROP_UINT32("vgamem_mb", struct pci_vmsvga_state_s,
+ chip.vga.vram_size_mb, 16),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void vmsvga_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
+
+ k->no_hotplug = 1;
+ k->init = pci_vmsvga_initfn;
+ k->romfile = "vgabios-vmware.bin";
+ k->vendor_id = PCI_VENDOR_ID_VMWARE;
+ k->device_id = SVGA_PCI_DEVICE_ID;
+ k->class_id = PCI_CLASS_DISPLAY_VGA;
+ k->subsystem_vendor_id = PCI_VENDOR_ID_VMWARE;
+ k->subsystem_id = SVGA_PCI_DEVICE_ID;
+ dc->reset = vmsvga_reset;
+ dc->vmsd = &vmstate_vmware_vga;
+ dc->props = vga_vmware_properties;
+}
+
+static const TypeInfo vmsvga_info = {
+ .name = "vmware-svga",
+ .parent = TYPE_PCI_DEVICE,
+ .instance_size = sizeof(struct pci_vmsvga_state_s),
+ .class_init = vmsvga_class_init,
+};
+
+static void vmsvga_register_types(void)
+{
+ type_register_static(&vmsvga_info);
+}
+
+type_init(vmsvga_register_types)