/* * QEMU VMware-SVGA "chipset". * * Copyright (c) 2007 Andrzej Zaborowski * * 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.h" #include "loader.h" #include "console.h" #include "pci.h" #undef VERBOSE #define HW_RECT_ACCEL #define HW_FILL_ACCEL #define HW_MOUSE_ACCEL # include "vga_int.h" struct vmsvga_state_s { VGACommonState vga; int width; int height; 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; uint32_t wred; uint32_t wgreen; uint32_t wblue; int syncing; int fb_size; 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) { int line; int bypl; int width; int start; uint8_t *src; uint8_t *dst; if (x + w > s->width) { fprintf(stderr, "%s: update width too large x: %d, w: %d\n", __FUNCTION__, x, w); x = MIN(x, s->width); w = s->width - x; } if (y + h > s->height) { fprintf(stderr, "%s: update height too large y: %d, h: %d\n", __FUNCTION__, y, h); y = MIN(y, s->height); h = s->height - y; } line = h; bypl = s->bypp * s->width; width = s->bypp * w; start = s->bypp * x + bypl * y; src = s->vga.vram_ptr + start; dst = ds_get_data(s->vga.ds) + start; for (; line > 0; line --, src += bypl, dst += bypl) memcpy(dst, src, width); dpy_update(s->vga.ds, x, y, w, h); } static inline void vmsvga_update_screen(struct vmsvga_state_s *s) { memcpy(ds_get_data(s->vga.ds), s->vga.vram_ptr, s->bypp * s->width * s->height); dpy_update(s->vga.ds, 0, 0, s->width, s->height); } 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) { uint8_t *vram = s->vga.vram_ptr; int bypl = s->bypp * s->width; int width = s->bypp * w; int line = h; uint8_t *ptr[2]; if (y1 > y0) { ptr[0] = vram + s->bypp * x0 + bypl * (y0 + h - 1); ptr[1] = vram + s->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 + s->bypp * x0 + bypl * y0; ptr[1] = vram + s->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) { uint8_t *vram = s->vga.vram_ptr; int bypp = s->bypp; int bypl = bypp * s->width; int width = bypp * w; int line = h; int column; uint8_t *fst = vram + bypp * x + bypl * y; 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; if (line--) { dst = fst; src = col; for (column = width; column > 0; column--) { *(dst++) = *(src++); if (src - col == bypp) { 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", __FUNCTION__, c->bpp); cursor_put(qc); qc = cursor_builtin_left_ptr(); } dpy_cursor_define(s->vga.ds, 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", __FUNCTION__, 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; switch (s->index) { case SVGA_REG_ID: return s->svgaid; case SVGA_REG_ENABLE: return s->enable; case SVGA_REG_WIDTH: return s->width; case SVGA_REG_HEIGHT: return s->height; 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 s->wred; case SVGA_REG_GREEN_MASK: return s->wgreen; case SVGA_REG_BLUE_MASK: return s->wblue; case SVGA_REG_BYTES_PER_LINE: return ((s->depth + 7) >> 3) * 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; case SVGA_REG_FB_SIZE: return s->fb_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.ds)) { 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", __FUNCTION__, 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->config &= !!value; s->width = -1; s->height = -1; s->invalidated = 1; s->vga.invalidate(&s->vga); if (s->enable) { s->fb_size = ((s->depth + 7) >> 3) * s->new_width * s->new_height; vga_dirty_log_stop(&s->vga); } else { vga_dirty_log_start(&s->vga); } break; case SVGA_REG_WIDTH: s->new_width = value; s->invalidated = 1; break; case SVGA_REG_HEIGHT: s->new_height = value; s->invalidated = 1; break; case SVGA_REG_DEPTH: case SVGA_REG_BITS_PER_PIXEL: if (value != s->depth) { printf("%s: Bad colour depth: %i bits\n", __FUNCTION__, 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; } 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", __FUNCTION__, 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.ds, s->cursor.x, s->cursor.y, s->cursor.on); } #endif break; 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", __FUNCTION__, s->index); } } static uint32_t vmsvga_bios_read(void *opaque, uint32_t address) { printf("%s: what are we supposed to return?\n", __FUNCTION__); 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", __FUNCTION__, data); } static inline void vmsvga_size(struct vmsvga_state_s *s) { if (s->new_width != s->width || s->new_height != s->height) { s->width = s->new_width; s->height = s->new_height; qemu_console_resize(s->vga.ds, s->width, s->height); s->invalidated = 1; } } static void vmsvga_update_display(void *opaque) { struct vmsvga_state_s *s = opaque; if (!s->enable) { s->vga.update(&s->vga); return; } vmsvga_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 (s->invalidated) { s->invalidated = 0; vmsvga_update_screen(s); } } 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->width = -1; s->height = -1; 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; if (!s->enable) { s->vga.screen_dump(&s->vga, filename, cswitch, errp); return; } if (s->depth == 32) { DisplaySurface *ds = qemu_create_displaysurface_from(s->width, s->height, 32, ds_get_linesize(s->vga.ds), s->vga.vram_ptr); 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_INT32(fb_size, struct vmsvga_state_s), 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) { s->scratch_size = SVGA_SCRATCH_SIZE; s->scratch = g_malloc(s->scratch_size * 4); s->vga.ds = graphic_console_init(vmsvga_update_display, vmsvga_invalidate_display, vmsvga_screen_dump, vmsvga_text_update, s); 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); s->depth = ds_get_bits_per_pixel(s->vga.ds); s->bypp = ds_get_bytes_per_pixel(s->vga.ds); switch (s->depth) { case 8: s->wred = 0x00000007; s->wgreen = 0x00000038; s->wblue = 0x000000c0; break; case 15: s->wred = 0x0000001f; s->wgreen = 0x000003e0; s->wblue = 0x00007c00; break; case 16: s->wred = 0x0000001f; s->wgreen = 0x000007e0; s->wblue = 0x0000f800; break; case 24: s->wred = 0x00ff0000; s->wgreen = 0x0000ff00; s->wblue = 0x000000ff; break; case 32: s->wred = 0x00ff0000; s->wgreen = 0x0000ff00; s->wblue = 0x000000ff; break; } } 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); MemoryRegion *iomem; iomem = &s->chip.vga.vram; 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, iomem); 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 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)