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Fri, 08 Jun 2018 16:06:57 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fRNeu-0006mK-Bv for qemu-devel@nongnu.org; Fri, 08 Jun 2018 16:06:54 -0400 Received: from mout.kundenserver.de ([212.227.126.134]:50651) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1fRNen-0006hC-Av; Fri, 08 Jun 2018 16:06:45 -0400 Received: from localhost.localdomain ([78.238.229.36]) by mrelayeu.kundenserver.de (mreue002 [212.227.15.167]) with ESMTPSA (Nemesis) id 0MgTYM-1ff5JB2oly-00Ng4e; Fri, 08 Jun 2018 22:06:16 +0200 From: Laurent Vivier To: qemu-devel@nongnu.org Date: Fri, 8 Jun 2018 22:05:49 +0200 Message-Id: <20180608200558.386-5-laurent@vivier.eu> X-Mailer: git-send-email 2.14.4 In-Reply-To: <20180608200558.386-1-laurent@vivier.eu> References: <20180608200558.386-1-laurent@vivier.eu> X-Provags-ID: V03:K1:Q9OjtTAyWfr7sUFPJeOwWaEkEvTgd3oJeVMu6KngUnxQVnek088 vmbK8oi4dCaUCsoOg5yQGYoEFXjREe6lCLVGUy+crgZuSCo6JAwwagrujRZK0UztjYyrSue 81YkinOMVU52DBYDrnswQ95oZBOkirZiw/DOaZi3c2wOQSnmdt9l2OMd5/QAIGfKNjKPo9c vJOmxZ6sqZ4Q8Chv9Vq8g== X-UI-Out-Filterresults: notjunk:1;V01:K0:H+CCkaOh/9Q=:i0e49VShjM/5EX4uDriTzD 6zNx7JNqKnbnQV3zbLXObiSjfXX4F1mpMq9YEWsSpxGbrg1qP3HPCfV3DcHyymeqoC1vBp76I iY8YKlZU5tfjAZthHuzjv0BzoMOscc8whkJRCyPwTMVCVVCkw6iXlUzT5ou/k+WW2oeU5LF6F DONxdCw4qsK9MtbTvpEY7NkPdU2Omi2LoL83eLLIN+NfCv08mRKbrUfgpMCr0b2wET+/g70Mr d1lJur5HOYGP6oCj4BUsScFqRXCFdkiKWzy7rfQFlLYkoaOs1FezG6U+kJhkBc+ejqxEwWMRj kUz93b3MjN7WSG6gatvzRQmDbUmoZK5x6HqVOJGJ9BAUkKP4IEmAPd1eXKNBiqrdQBsgJ6gwZ rlfL6szmmvuT+N/twCKsOF59cbiDIibugIuisKQ1yCUkZX6LDndG27dogW+TkDhpli3BzadU+ l9f0Gfb+sHUTJreljTX+GaNZ7mALWG+ZtC3U6Bv8lHksxgUe7athaxT7MVpx5l4GjoBYxzjRh /wMytEQGQ4vn/KBT6983+WZcWj8thkc4fYpgyroDsQVf3NzbHSgN7a/MXrBH/fCqbEFFEOdi8 o8qXAMEmiCtDIyLv0E3SRMD/t2TrHBsv2iCNg3PzJXe/c3wdhO+x2nxnSavr2TQkp6bW7bpcK JNuiSF5xleDsMyt/bm1Ghh98Vp8LAEq3lp9qDYdq3uD3ToTMWwik77Q2XGe1lC8WBvIg= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 212.227.126.134 Subject: [Qemu-devel] [RFC 04/13] hw/m68k: add video card X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Fam Zheng , qemu-block@nongnu.org, Jason Wang , "Dr. David Alan Gilbert" , Max Reitz , =?UTF-8?q?Herv=C3=A9=20Poussineau?= , Gerd Hoffmann , Paolo Bonzini , Yongbok Kim , =?UTF-8?q?Andreas=20F=C3=A4rber?= , Aurelien Jarno , Laurent Vivier Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Laurent Vivier Signed-off-by: Laurent Vivier --- arch_init.c | 4 + hw/display/Makefile.objs | 1 + hw/display/macfb-template.h | 158 +++++++++++++++++++++++++ hw/display/macfb.c | 283 ++++++++++++++++++++++++++++++++++++++++= ++++ qemu-options.hx | 2 +- vl.c | 3 +- 6 files changed, 449 insertions(+), 2 deletions(-) create mode 100644 hw/display/macfb-template.h create mode 100644 hw/display/macfb.c diff --git a/arch_init.c b/arch_init.c index f4f3f610c8..5a71b48dc5 100644 --- a/arch_init.c +++ b/arch_init.c @@ -39,6 +39,10 @@ int graphic_width =3D 1024; int graphic_height =3D 768; int graphic_depth =3D 8; +#elif defined(TARGET_M68K) +int graphic_width =3D 800; +int graphic_height =3D 600; +int graphic_depth =3D 8; #else int graphic_width =3D 800; int graphic_height =3D 600; diff --git a/hw/display/Makefile.objs b/hw/display/Makefile.objs index b5d97ab26d..925d5b848f 100644 --- a/hw/display/Makefile.objs +++ b/hw/display/Makefile.objs @@ -19,6 +19,7 @@ common-obj-$(CONFIG_EXYNOS4) +=3D exynos4210_fimd.o common-obj-$(CONFIG_FRAMEBUFFER) +=3D framebuffer.o common-obj-$(CONFIG_MILKYMIST) +=3D milkymist-vgafb.o common-obj-$(CONFIG_ZAURUS) +=3D tc6393xb.o +common-obj-$(CONFIG_MACFB) +=3D macfb.o =20 common-obj-$(CONFIG_MILKYMIST_TMU2) +=3D milkymist-tmu2.o milkymist-tmu2.o-cflags :=3D $(X11_CFLAGS) diff --git a/hw/display/macfb-template.h b/hw/display/macfb-template.h new file mode 100644 index 0000000000..b6ae5d728f --- /dev/null +++ b/hw/display/macfb-template.h @@ -0,0 +1,158 @@ +#if defined(READ_BITS) +#define PALETTE(i, r, g, b) \ + do { \ + r =3D s->color_palette[i * 3]; \ + g =3D s->color_palette[i * 3 + 1]; \ + b =3D s->color_palette[i * 3 + 2]; \ + } while (0) + +#if READ_BITS =3D=3D 1 +#define READ_PIXEL(from, x, r, g, b) \ + do { \ + int bit =3D x & 7; \ + int idx =3D (*from >> (7 - bit)) & 1; \ + r =3D g =3D b =3D ((1 - idx) << 7); \ + from +=3D (bit =3D=3D 7); \ + } while (0) +#elif READ_BITS =3D=3D 2 +#define READ_PIXEL(from, x, r, g, b) \ + do { \ + int bit =3D (x & 3); \ + int idx =3D (*from >> ((3 - bit) << 1)) & 3; \ + PALETTE(idx, r, g, b); \ + from +=3D (bit =3D=3D 3); \ + } while (0) +#elif READ_BITS =3D=3D 4 +#define READ_PIXEL(from, x, r, g, b) \ + do { \ + int bit =3D x & 1; \ + int idx =3D (*from >> ((1 - bit) << 2)) & 15; \ + PALETTE(idx, r, g, b); \ + from +=3D (bit =3D=3D 1); \ + } while (0) +#elif READ_BITS =3D=3D 8 +#define READ_PIXEL(from, x, r, g, b) \ + do { \ + PALETTE(*from, r, g, b); \ + from++; \ + } while (0) +#elif READ_BITS =3D=3D 16 +#define READ_PIXEL(from, x, r, g, b) \ + do { \ + uint16_t pixel; \ + pixel =3D (from[0] << 8) | from[1]; \ + r =3D ((pixel >> 10) & 0x1f) << 3; \ + g =3D ((pixel >> 5) & 0x1f) << 3; \ + b =3D (pixel & 0x1f) << 3; \ + from +=3D 2; \ + } while (0) +#elif READ_BITS =3D=3D 24 +#define READ_PIXEL(from, x, r, g, b) \ + do { \ + r =3D *from++; \ + g =3D *from++; \ + b =3D *from++; \ + } while (0) +#else +#error unknown bit depth +#endif + +#if WRITE_BITS =3D=3D 8 +#define WRITE_PIXEL(to, r, g, b) \ + do { \ + *to =3D rgb_to_pixel8(r, g, b); \ + to +=3D 1; \ + } while (0) +#elif WRITE_BITS =3D=3D 15 +#define WRITE_PIXEL(to, r, g, b) \ + do { \ + *(uint16_t *)to =3D rgb_to_pixel15(r, g, b); \ + to +=3D 2; \ + } while (0) +#elif WRITE_BITS =3D=3D 16 +#define WRITE_PIXEL(to, r, g, b) \ + do { \ + *(uint16_t *)to =3D rgb_to_pixel16(r, g, b); \ + to +=3D 2; \ + } while (0) +#elif WRITE_BITS =3D=3D 24 +#define WRITE_PIXEL(to, r, g, b) \ + do { \ + uint32_t tmp =3D rgb_to_pixel24(r, g, b); \ + *(to++) =3D tmp & 0xff; \ + *(to++) =3D (tmp >> 8) & 0xff; \ + *(to++) =3D (tmp >> 16) & 0xff; \ + } while (0) +#elif WRITE_BITS =3D=3D 32 +#define WRITE_PIXEL(to, r, g, b) \ + do { \ + *(uint32_t *)to =3D rgb_to_pixel32(r, g, b); \ + to +=3D 4; \ + } while (0) +#else +#error unknown bit depth +#endif + +static void glue(glue(glue(draw_line, READ_BITS), _), WRITE_BITS) + (MacfbState *s, uint8_t *to, uint8_t *from, int = width) +{ + uint8_t r, g, b; + int x; + for (x =3D 0; x < width; x++) { + READ_PIXEL(from, x, r, g, b); + WRITE_PIXEL(to, r, g, b); + } +} +#undef READ_BITS +#undef READ_PIXEL +#undef WRITE_PIXEL + +#elif defined(WRITE_BITS) + +#undef MACFB_RECLEVEL +#define MACFB_RECLEVEL 2 +#define READ_BITS 1 +#include "macfb-template.h" +#define READ_BITS 2 +#include "macfb-template.h" +#define READ_BITS 4 +#include "macfb-template.h" +#define READ_BITS 8 +#include "macfb-template.h" +#define READ_BITS 16 +#include "macfb-template.h" +#define READ_BITS 24 +#include "macfb-template.h" +#undef WRITE_BITS + +#else + +#define WRITE_BITS 8 +#include "macfb-template.h" + +#define WRITE_BITS 16 +#include "macfb-template.h" + +#define WRITE_BITS 24 +#include "macfb-template.h" + +#define WRITE_BITS 32 +#include "macfb-template.h" + +typedef void (*macfb_draw_line_func_t)(MacfbState *, uint8_t *, uint8_t *,= int); + +static macfb_draw_line_func_t macfb_draw_line[24][32] =3D { + [0] =3D { [7] =3D draw_line1_8, [15] =3D draw_line1_16, + [23] =3D draw_line1_24, [31] =3D draw_line1_32 }, + [1] =3D { [7] =3D draw_line2_8, [15] =3D draw_line2_16, + [23] =3D draw_line2_24, [31] =3D draw_line2_32 }, + [3] =3D { [7] =3D draw_line4_8, [15] =3D draw_line4_16, + [23] =3D draw_line4_24, [31] =3D draw_line4_32 }, + [7] =3D { [7] =3D draw_line8_8, [15] =3D draw_line8_16, + [23] =3D draw_line8_24, [31] =3D draw_line8_32 }, + [15] =3D { [7] =3D draw_line16_8, [15] =3D draw_line16_16, + [23] =3D draw_line16_24, [31] =3D draw_line16_32 }, + [23] =3D { [7] =3D draw_line24_8, [15] =3D draw_line24_16, + [23] =3D draw_line24_24, [31] =3D draw_line24_32 }, +}; +#endif diff --git a/hw/display/macfb.c b/hw/display/macfb.c new file mode 100644 index 0000000000..b2dd300a80 --- /dev/null +++ b/hw/display/macfb.c @@ -0,0 +1,283 @@ +/* + * QEMU Motorola 680x0 Macintosh Video Card Emulation + * Copyright (c) 2012-2018 Laurent Vivier + * + * some parts from QEMU G364 framebuffer Emulator. + * Copyright (c) 2007-2011 Herve Poussineau + * + * This work is licensed under the terms of the GNU GPL, version 2 or late= r. + * See the COPYING file in the top-level directory. + * + */ + +#include "qemu/osdep.h" +#include "hw/sysbus.h" +#include "ui/console.h" +#include "ui/pixel_ops.h" + +struct MacfbState { + SysBusDevice busdev; + MemoryRegion mem_vram; + MemoryRegion mem_ctrl; + QemuConsole *con; + + uint8_t *vram; + uint32_t palette_current; + uint8_t color_palette[256 * 3]; + uint32_t width, height; /* in pixels */ + uint8_t depth; +}; +typedef struct MacfbState MacfbState; + +#define TYPE_MACFB "sysbus-macfb" +#define MACFB(obj) \ + OBJECT_CHECK(MacfbSysBusState, (obj), TYPE_MACFB) + +#define MACFB_PAGE_SIZE 4096 +#define MACFB_VRAM_SIZE (4 * 1024 * 1024) + +#define DAFB_RESET 0x200 +#define DAFB_LUT 0x213 + +#include "macfb-template.h" + +static inline void reset_dirty(MacfbState *s, + ram_addr_t page_min, ram_addr_t page_max) +{ + memory_region_reset_dirty(&s->mem_vram, + page_min, + page_max + MACFB_PAGE_SIZE - page_min - 1, + DIRTY_MEMORY_VGA); +} + +static void macfb_draw_graphic(MacfbState *s) +{ + DisplaySurface *surface =3D qemu_console_surface(s->con); + ram_addr_t page, page_min, page_max; + int y, ymin; + int macfb_stride =3D (s->depth * s->width + 7) / 8; + macfb_draw_line_func_t draw_line; + + if (s->depth > 24) { + hw_error("macfb: unknown guest depth %d", s->depth); + return; + } + if (surface_bits_per_pixel(surface) > 32) { + hw_error("macfb: unknown host depth %d", + surface_bits_per_pixel(surface)); + return; + } + draw_line =3D macfb_draw_line[s->depth - 1][surface_bits_per_pixel(sur= face) + - 1]; + + if (draw_line =3D=3D NULL) { + hw_error("macfb: unknown guest/host depth combination %d/%d", s->d= epth, + surface_bits_per_pixel(surface)); + return; + } + + page_min =3D (ram_addr_t)-1; + page_max =3D 0; + ymin =3D -1; + page =3D 0; + for (y =3D 0; y < s->height; y++) { + int update; + + update =3D memory_region_get_dirty(&s->mem_vram, page, macfb_strid= e, + DIRTY_MEMORY_VGA); + + if (update) { + uint8_t *data_display; + + data_display =3D surface_data(surface) + y * surface_stride(su= rface); + draw_line(s, data_display, s->vram + page, s->width); + + if (ymin < 0) { + ymin =3D y; + } + if (page_min =3D=3D (ram_addr_t)-1) { + page_min =3D page; + } + page_max =3D page + macfb_stride - 1; + } else { + if (ymin >=3D 0) { + dpy_gfx_update(s->con, 0, ymin, s->width, y - ymin); + ymin =3D -1; + } + } + page +=3D macfb_stride; + } + if (ymin >=3D 0) { + dpy_gfx_update(s->con, 0, ymin, s->width, y - ymin); + } + if (page_min !=3D (ram_addr_t)-1) { + reset_dirty(s, page_min, page_max); + } +} + +static void macfb_invalidate_display(void *opaque) +{ + MacfbState *s =3D opaque; + + memory_region_set_dirty(&s->mem_vram, 0, MACFB_VRAM_SIZE); +} + +static void macfb_update_display(void *opaque) +{ + MacfbState *s =3D opaque; + DisplaySurface *surface =3D qemu_console_surface(s->con); + + qemu_flush_coalesced_mmio_buffer(); + + if (s->width =3D=3D 0 || s->height =3D=3D 0) { + return; + } + + if (s->width !=3D surface_width(surface) || + s->height !=3D surface_height(surface)) { + qemu_console_resize(s->con, s->width, s->height); + } + + macfb_draw_graphic(s); +} + +static void macfb_reset(MacfbState *s) +{ + int i; + + s->palette_current =3D 0; + for (i =3D 0; i < 256; i++) { + s->color_palette[i * 3] =3D 255 - i; + s->color_palette[i * 3 + 1] =3D 255 - i; + s->color_palette[i * 3 + 2] =3D 255 - i; + } + memset(s->vram, 0, MACFB_VRAM_SIZE); + macfb_invalidate_display(s); +} + +static uint64_t macfb_ctrl_read(void *opaque, + hwaddr addr, + unsigned int size) +{ + return 0; +} + +static void macfb_ctrl_write(void *opaque, + hwaddr addr, + uint64_t val, + unsigned int size) +{ + MacfbState *s =3D opaque; + switch (addr) { + case DAFB_RESET: + s->palette_current =3D 0; + break; + case DAFB_LUT: + s->color_palette[s->palette_current++] =3D val; + if (s->palette_current % 3) { + macfb_invalidate_display(s); + } + break; + } +} + +static const MemoryRegionOps macfb_ctrl_ops =3D { + .read =3D macfb_ctrl_read, + .write =3D macfb_ctrl_write, + .endianness =3D DEVICE_BIG_ENDIAN, + .impl.min_access_size =3D 1, + .impl.max_access_size =3D 4, +}; + +static int macfb_post_load(void *opaque, int version_id) +{ + macfb_invalidate_display(opaque); + return 0; +} + +static const VMStateDescription vmstate_macfb =3D { + .name =3D "macfb", + .version_id =3D 1, + .minimum_version_id =3D 1, + .minimum_version_id_old =3D 1, + .post_load =3D macfb_post_load, + .fields =3D (VMStateField[]) { + VMSTATE_BUFFER_UNSAFE(color_palette, MacfbState, 0, 256 * 3), + VMSTATE_UINT32(palette_current, MacfbState), + VMSTATE_END_OF_LIST() + } +}; + +static const GraphicHwOps macfb_ops =3D { + .invalidate =3D macfb_invalidate_display, + .gfx_update =3D macfb_update_display, +}; + +static void macfb_init(DeviceState *dev, MacfbState *s) +{ + s->vram =3D g_malloc0(MACFB_VRAM_SIZE); + + s->con =3D graphic_console_init(dev, 0, &macfb_ops, s); + + memory_region_init_io(&s->mem_ctrl, NULL, &macfb_ctrl_ops, s, "ctrl", + 0x1000); + memory_region_init_ram_ptr(&s->mem_vram, NULL, "vram", MACFB_VRAM_SIZE, + s->vram); + vmstate_register_ram(&s->mem_vram, dev); + memory_region_set_coalescing(&s->mem_vram); +} + +typedef struct { + SysBusDevice busdev; + MacfbState macfb; +} MacfbSysBusState; + +static int macfb_sysbus_init(SysBusDevice *dev) +{ + MacfbState *s =3D &MACFB(dev)->macfb; + + macfb_init(DEVICE(dev), s); + sysbus_init_mmio(dev, &s->mem_ctrl); + sysbus_init_mmio(dev, &s->mem_vram); + + return 0; +} + +static void macfb_sysbus_reset(DeviceState *d) +{ + MacfbSysBusState *s =3D MACFB(d); + macfb_reset(&s->macfb); +} + +static Property macfb_sysbus_properties[] =3D { + DEFINE_PROP_UINT32("width", MacfbSysBusState, macfb.width, 640), + DEFINE_PROP_UINT32("height", MacfbSysBusState, macfb.height, 480), + DEFINE_PROP_UINT8("depth", MacfbSysBusState, macfb.depth, 8), + DEFINE_PROP_END_OF_LIST(), +}; + +static void macfb_sysbus_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc =3D DEVICE_CLASS(klass); + SysBusDeviceClass *k =3D SYS_BUS_DEVICE_CLASS(klass); + + k->init =3D macfb_sysbus_init; + dc->desc =3D "Macintosh framebuffer"; + dc->reset =3D macfb_sysbus_reset; + dc->vmsd =3D &vmstate_macfb; + dc->props =3D macfb_sysbus_properties; +} + +static TypeInfo macfb_sysbus_info =3D { + .name =3D TYPE_MACFB, + .parent =3D TYPE_SYS_BUS_DEVICE, + .instance_size =3D sizeof(MacfbSysBusState), + .class_init =3D macfb_sysbus_class_init, +}; + +static void macfb_register_types(void) +{ + type_register_static(&macfb_sysbus_info); +} + +type_init(macfb_register_types) diff --git a/qemu-options.hx b/qemu-options.hx index c0d3951e9f..c1181561e1 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -1551,7 +1551,7 @@ ETEXI =20 DEF("g", 1, QEMU_OPTION_g , "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n", - QEMU_ARCH_PPC | QEMU_ARCH_SPARC) + QEMU_ARCH_PPC | QEMU_ARCH_SPARC | QEMU_ARCH_M68K) STEXI @item -g @var{width}x@var{height}[x@var{depth}] @findex -g diff --git a/vl.c b/vl.c index 06031715ac..ac8e50ee92 100644 --- a/vl.c +++ b/vl.c @@ -3308,7 +3308,8 @@ int main(int argc, char **argv, char **envp) if (*p =3D=3D 'x') { p++; depth =3D strtol(p, (char **)&p, 10); - if (depth !=3D 8 && depth !=3D 15 && depth !=3D 16= && + if (depth !=3D 1 && depth !=3D 2 && depth !=3D 4 && + depth !=3D 8 && depth !=3D 15 && depth !=3D 16= && depth !=3D 24 && depth !=3D 32) goto graphic_error; } else if (*p =3D=3D '\0') { --=20 2.14.4