hw: move target-independent files to subdirectories

This patch tackles all files that are compiled once, moving
them to subdirectories of hw/.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 617 insertions, 0 deletions

diff --git a/hw/display/g364fb.c b/hw/display/g364fb.c
new file mode 100644
index 0000000..f7014e9
--- /dev/null
+++ b/hw/display/g364fb.c
@@ -0,0 +1,617 @@
+/*
+ * QEMU G364 framebuffer Emulator.
+ *
+ * Copyright (c) 2007-2011 Herve Poussineau
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "hw/hw.h"
+#include "ui/console.h"
+#include "ui/pixel_ops.h"
+#include "trace.h"
+#include "hw/sysbus.h"
+
+typedef struct G364State {
+    /* hardware */
+    uint8_t *vram;
+    uint32_t vram_size;
+    qemu_irq irq;
+    MemoryRegion mem_vram;
+    MemoryRegion mem_ctrl;
+    /* registers */
+    uint8_t color_palette[256][3];
+    uint8_t cursor_palette[3][3];
+    uint16_t cursor[512];
+    uint32_t cursor_position;
+    uint32_t ctla;
+    uint32_t top_of_screen;
+    uint32_t width, height; /* in pixels */
+    /* display refresh support */
+    QemuConsole *con;
+    int depth;
+    int blanked;
+} G364State;
+
+#define REG_BOOT     0x000000
+#define REG_DISPLAY  0x000118
+#define REG_VDISPLAY 0x000150
+#define REG_CTLA     0x000300
+#define REG_TOP      0x000400
+#define REG_CURS_PAL 0x000508
+#define REG_CURS_POS 0x000638
+#define REG_CLR_PAL  0x000800
+#define REG_CURS_PAT 0x001000
+#define REG_RESET    0x100000
+
+#define CTLA_FORCE_BLANK 0x00000400
+#define CTLA_NO_CURSOR   0x00800000
+
+#define G364_PAGE_SIZE 4096
+
+static inline int check_dirty(G364State *s, ram_addr_t page)
+{
+    return memory_region_get_dirty(&s->mem_vram, page, G364_PAGE_SIZE,
+                                   DIRTY_MEMORY_VGA);
+}
+
+static inline void reset_dirty(G364State *s,
+                               ram_addr_t page_min, ram_addr_t page_max)
+{
+    memory_region_reset_dirty(&s->mem_vram,
+                              page_min,
+                              page_max + G364_PAGE_SIZE - page_min - 1,
+                              DIRTY_MEMORY_VGA);
+}
+
+static void g364fb_draw_graphic8(G364State *s)
+{
+    DisplaySurface *surface = qemu_console_surface(s->con);
+    int i, w;
+    uint8_t *vram;
+    uint8_t *data_display, *dd;
+    ram_addr_t page, page_min, page_max;
+    int x, y;
+    int xmin, xmax;
+    int ymin, ymax;
+    int xcursor, ycursor;
+    unsigned int (*rgb_to_pixel)(unsigned int r, unsigned int g, unsigned int b);
+
+    switch (surface_bits_per_pixel(surface)) {
+        case 8:
+            rgb_to_pixel = rgb_to_pixel8;
+            w = 1;
+            break;
+        case 15:
+            rgb_to_pixel = rgb_to_pixel15;
+            w = 2;
+            break;
+        case 16:
+            rgb_to_pixel = rgb_to_pixel16;
+            w = 2;
+            break;
+        case 32:
+            rgb_to_pixel = rgb_to_pixel32;
+            w = 4;
+            break;
+        default:
+            hw_error("g364: unknown host depth %d",
+                     surface_bits_per_pixel(surface));
+            return;
+    }
+
+    page = 0;
+    page_min = (ram_addr_t)-1;
+    page_max = 0;
+
+    x = y = 0;
+    xmin = s->width;
+    xmax = 0;
+    ymin = s->height;
+    ymax = 0;
+
+    if (!(s->ctla & CTLA_NO_CURSOR)) {
+        xcursor = s->cursor_position >> 12;
+        ycursor = s->cursor_position & 0xfff;
+    } else {
+        xcursor = ycursor = -65;
+    }
+
+    vram = s->vram + s->top_of_screen;
+    /* XXX: out of range in vram? */
+    data_display = dd = surface_data(surface);
+    while (y < s->height) {
+        if (check_dirty(s, page)) {
+            if (y < ymin)
+                ymin = ymax = y;
+            if (page_min == (ram_addr_t)-1)
+                page_min = page;
+            page_max = page;
+            if (x < xmin)
+                xmin = x;
+            for (i = 0; i < G364_PAGE_SIZE; i++) {
+                uint8_t index;
+                unsigned int color;
+                if (unlikely((y >= ycursor && y < ycursor + 64) &&
+                    (x >= xcursor && x < xcursor + 64))) {
+                    /* pointer area */
+                    int xdiff = x - xcursor;
+                    uint16_t curs = s->cursor[(y - ycursor) * 8 + xdiff / 8];
+                    int op = (curs >> ((xdiff & 7) * 2)) & 3;
+                    if (likely(op == 0)) {
+                        /* transparent */
+                        index = *vram;
+                        color = (*rgb_to_pixel)(
+                            s->color_palette[index][0],
+                            s->color_palette[index][1],
+                            s->color_palette[index][2]);
+                    } else {
+                        /* get cursor color */
+                        index = op - 1;
+                        color = (*rgb_to_pixel)(
+                            s->cursor_palette[index][0],
+                            s->cursor_palette[index][1],
+                            s->cursor_palette[index][2]);
+                    }
+                } else {
+                    /* normal area */
+                    index = *vram;
+                    color = (*rgb_to_pixel)(
+                        s->color_palette[index][0],
+                        s->color_palette[index][1],
+                        s->color_palette[index][2]);
+                }
+                memcpy(dd, &color, w);
+                dd += w;
+                x++;
+                vram++;
+                if (x == s->width) {
+                    xmax = s->width - 1;
+                    y++;
+                    if (y == s->height) {
+                        ymax = s->height - 1;
+                        goto done;
+                    }
+                    data_display = dd = data_display + surface_stride(surface);
+                    xmin = 0;
+                    x = 0;
+                }
+            }
+            if (x > xmax)
+                xmax = x;
+            if (y > ymax)
+                ymax = y;
+        } else {
+            int dy;
+            if (page_min != (ram_addr_t)-1) {
+                reset_dirty(s, page_min, page_max);
+                page_min = (ram_addr_t)-1;
+                page_max = 0;
+                dpy_gfx_update(s->con, xmin, ymin,
+                               xmax - xmin + 1, ymax - ymin + 1);
+                xmin = s->width;
+                xmax = 0;
+                ymin = s->height;
+                ymax = 0;
+            }
+            x += G364_PAGE_SIZE;
+            dy = x / s->width;
+            x = x % s->width;
+            y += dy;
+            vram += G364_PAGE_SIZE;
+            data_display += dy * surface_stride(surface);
+            dd = data_display + x * w;
+        }
+        page += G364_PAGE_SIZE;
+    }
+
+done:
+    if (page_min != (ram_addr_t)-1) {
+        dpy_gfx_update(s->con, xmin, ymin, xmax - xmin + 1, ymax - ymin + 1);
+        reset_dirty(s, page_min, page_max);
+    }
+}
+
+static void g364fb_draw_blank(G364State *s)
+{
+    DisplaySurface *surface = qemu_console_surface(s->con);
+    int i, w;
+    uint8_t *d;
+
+    if (s->blanked) {
+        /* Screen is already blank. No need to redraw it */
+        return;
+    }
+
+    w = s->width * surface_bytes_per_pixel(surface);
+    d = surface_data(surface);
+    for (i = 0; i < s->height; i++) {
+        memset(d, 0, w);
+        d += surface_stride(surface);
+    }
+
+    dpy_gfx_update(s->con, 0, 0, s->width, s->height);
+    s->blanked = 1;
+}
+
+static void g364fb_update_display(void *opaque)
+{
+    G364State *s = opaque;
+    DisplaySurface *surface = qemu_console_surface(s->con);
+
+    qemu_flush_coalesced_mmio_buffer();
+
+    if (s->width == 0 || s->height == 0)
+        return;
+
+    if (s->width != surface_width(surface) ||
+        s->height != surface_height(surface)) {
+        qemu_console_resize(s->con, s->width, s->height);
+    }
+
+    if (s->ctla & CTLA_FORCE_BLANK) {
+        g364fb_draw_blank(s);
+    } else if (s->depth == 8) {
+        g364fb_draw_graphic8(s);
+    } else {
+        error_report("g364: unknown guest depth %d", s->depth);
+    }
+
+    qemu_irq_raise(s->irq);
+}
+
+static inline void g364fb_invalidate_display(void *opaque)
+{
+    G364State *s = opaque;
+
+    s->blanked = 0;
+    memory_region_set_dirty(&s->mem_vram, 0, s->vram_size);
+}
+
+static void g364fb_reset(G364State *s)
+{
+    qemu_irq_lower(s->irq);
+
+    memset(s->color_palette, 0, sizeof(s->color_palette));
+    memset(s->cursor_palette, 0, sizeof(s->cursor_palette));
+    memset(s->cursor, 0, sizeof(s->cursor));
+    s->cursor_position = 0;
+    s->ctla = 0;
+    s->top_of_screen = 0;
+    s->width = s->height = 0;
+    memset(s->vram, 0, s->vram_size);
+    g364fb_invalidate_display(s);
+}
+
+static void g364fb_screen_dump(void *opaque, const char *filename, bool cswitch,
+                               Error **errp)
+{
+    G364State *s = opaque;
+    int ret, y, x;
+    uint8_t index;
+    uint8_t *data_buffer;
+    FILE *f;
+
+    qemu_flush_coalesced_mmio_buffer();
+
+    if (s->depth != 8) {
+        error_setg(errp, "g364: unknown guest depth %d", s->depth);
+        return;
+    }
+
+    f = fopen(filename, "wb");
+    if (!f) {
+        error_setg(errp, "failed to open file '%s': %s", filename,
+                   strerror(errno));
+        return;
+    }
+
+    if (s->ctla & CTLA_FORCE_BLANK) {
+        /* blank screen */
+        ret = fprintf(f, "P4\n%d %d\n", s->width, s->height);
+        if (ret < 0) {
+            goto write_err;
+        }
+        for (y = 0; y < s->height; y++)
+            for (x = 0; x < s->width; x++) {
+                ret = fputc(0, f);
+                if (ret == EOF) {
+                    goto write_err;
+                }
+            }
+    } else {
+        data_buffer = s->vram + s->top_of_screen;
+        ret = fprintf(f, "P6\n%d %d\n%d\n", s->width, s->height, 255);
+        if (ret < 0) {
+            goto write_err;
+        }
+        for (y = 0; y < s->height; y++)
+            for (x = 0; x < s->width; x++, data_buffer++) {
+                index = *data_buffer;
+                ret = fputc(s->color_palette[index][0], f);
+                if (ret == EOF) {
+                    goto write_err;
+                }
+                ret = fputc(s->color_palette[index][1], f);
+                if (ret == EOF) {
+                    goto write_err;
+                }
+                ret = fputc(s->color_palette[index][2], f);
+                if (ret == EOF) {
+                    goto write_err;
+                }
+        }
+    }
+
+out:
+    fclose(f);
+    return;
+
+write_err:
+    error_setg(errp, "failed to write to file '%s': %s", filename,
+               strerror(errno));
+    unlink(filename);
+    goto out;
+}
+
+/* called for accesses to io ports */
+static uint64_t g364fb_ctrl_read(void *opaque,
+                                 hwaddr addr,
+                                 unsigned int size)
+{
+    G364State *s = opaque;
+    uint32_t val;
+
+    if (addr >= REG_CURS_PAT && addr < REG_CURS_PAT + 0x1000) {
+        /* cursor pattern */
+        int idx = (addr - REG_CURS_PAT) >> 3;
+        val = s->cursor[idx];
+    } else if (addr >= REG_CURS_PAL && addr < REG_CURS_PAL + 0x18) {
+        /* cursor palette */
+        int idx = (addr - REG_CURS_PAL) >> 3;
+        val = ((uint32_t)s->cursor_palette[idx][0] << 16);
+        val |= ((uint32_t)s->cursor_palette[idx][1] << 8);
+        val |= ((uint32_t)s->cursor_palette[idx][2] << 0);
+    } else {
+        switch (addr) {
+            case REG_DISPLAY:
+                val = s->width / 4;
+                break;
+            case REG_VDISPLAY:
+                val = s->height * 2;
+                break;
+            case REG_CTLA:
+                val = s->ctla;
+                break;
+            default:
+            {
+                error_report("g364: invalid read at [" TARGET_FMT_plx "]",
+                             addr);
+                val = 0;
+                break;
+            }
+        }
+    }
+
+    trace_g364fb_read(addr, val);
+
+    return val;
+}
+
+static void g364fb_update_depth(G364State *s)
+{
+    static const int depths[8] = { 1, 2, 4, 8, 15, 16, 0 };
+    s->depth = depths[(s->ctla & 0x00700000) >> 20];
+}
+
+static void g364_invalidate_cursor_position(G364State *s)
+{
+    DisplaySurface *surface = qemu_console_surface(s->con);
+    int ymin, ymax, start, end;
+
+    /* invalidate only near the cursor */
+    ymin = s->cursor_position & 0xfff;
+    ymax = MIN(s->height, ymin + 64);
+    start = ymin * surface_stride(surface);
+    end = (ymax + 1) * surface_stride(surface);
+
+    memory_region_set_dirty(&s->mem_vram, start, end - start);
+}
+
+static void g364fb_ctrl_write(void *opaque,
+                              hwaddr addr,
+                              uint64_t val,
+                              unsigned int size)
+{
+    G364State *s = opaque;
+
+    trace_g364fb_write(addr, val);
+
+    if (addr >= REG_CLR_PAL && addr < REG_CLR_PAL + 0x800) {
+        /* color palette */
+        int idx = (addr - REG_CLR_PAL) >> 3;
+        s->color_palette[idx][0] = (val >> 16) & 0xff;
+        s->color_palette[idx][1] = (val >> 8) & 0xff;
+        s->color_palette[idx][2] = val & 0xff;
+        g364fb_invalidate_display(s);
+    } else if (addr >= REG_CURS_PAT && addr < REG_CURS_PAT + 0x1000) {
+        /* cursor pattern */
+        int idx = (addr - REG_CURS_PAT) >> 3;
+        s->cursor[idx] = val;
+        g364fb_invalidate_display(s);
+    } else if (addr >= REG_CURS_PAL && addr < REG_CURS_PAL + 0x18) {
+        /* cursor palette */
+        int idx = (addr - REG_CURS_PAL) >> 3;
+        s->cursor_palette[idx][0] = (val >> 16) & 0xff;
+        s->cursor_palette[idx][1] = (val >> 8) & 0xff;
+        s->cursor_palette[idx][2] = val & 0xff;
+        g364fb_invalidate_display(s);
+    } else {
+        switch (addr) {
+        case REG_BOOT: /* Boot timing */
+        case 0x00108: /* Line timing: half sync */
+        case 0x00110: /* Line timing: back porch */
+        case 0x00120: /* Line timing: short display */
+        case 0x00128: /* Frame timing: broad pulse */
+        case 0x00130: /* Frame timing: v sync */
+        case 0x00138: /* Frame timing: v preequalise */
+        case 0x00140: /* Frame timing: v postequalise */
+        case 0x00148: /* Frame timing: v blank */
+        case 0x00158: /* Line timing: line time */
+        case 0x00160: /* Frame store: line start */
+        case 0x00168: /* vram cycle: mem init */
+        case 0x00170: /* vram cycle: transfer delay */
+        case 0x00200: /* vram cycle: mask register */
+            /* ignore */
+            break;
+        case REG_TOP:
+            s->top_of_screen = val;
+            g364fb_invalidate_display(s);
+            break;
+        case REG_DISPLAY:
+            s->width = val * 4;
+            break;
+        case REG_VDISPLAY:
+            s->height = val / 2;
+            break;
+        case REG_CTLA:
+            s->ctla = val;
+            g364fb_update_depth(s);
+            g364fb_invalidate_display(s);
+            break;
+        case REG_CURS_POS:
+            g364_invalidate_cursor_position(s);
+            s->cursor_position = val;
+            g364_invalidate_cursor_position(s);
+            break;
+        case REG_RESET:
+            g364fb_reset(s);
+            break;
+        default:
+            error_report("g364: invalid write of 0x%" PRIx64
+                         " at [" TARGET_FMT_plx "]", val, addr);
+            break;
+        }
+    }
+    qemu_irq_lower(s->irq);
+}
+
+static const MemoryRegionOps g364fb_ctrl_ops = {
+    .read = g364fb_ctrl_read,
+    .write = g364fb_ctrl_write,
+    .endianness = DEVICE_LITTLE_ENDIAN,
+    .impl.min_access_size = 4,
+    .impl.max_access_size = 4,
+};
+
+static int g364fb_post_load(void *opaque, int version_id)
+{
+    G364State *s = opaque;
+
+    /* force refresh */
+    g364fb_update_depth(s);
+    g364fb_invalidate_display(s);
+
+    return 0;
+}
+
+static const VMStateDescription vmstate_g364fb = {
+    .name = "g364fb",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .minimum_version_id_old = 1,
+    .post_load = g364fb_post_load,
+    .fields = (VMStateField[]) {
+        VMSTATE_VBUFFER_UINT32(vram, G364State, 1, NULL, 0, vram_size),
+        VMSTATE_BUFFER_UNSAFE(color_palette, G364State, 0, 256 * 3),
+        VMSTATE_BUFFER_UNSAFE(cursor_palette, G364State, 0, 9),
+        VMSTATE_UINT16_ARRAY(cursor, G364State, 512),
+        VMSTATE_UINT32(cursor_position, G364State),
+        VMSTATE_UINT32(ctla, G364State),
+        VMSTATE_UINT32(top_of_screen, G364State),
+        VMSTATE_UINT32(width, G364State),
+        VMSTATE_UINT32(height, G364State),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+static void g364fb_init(DeviceState *dev, G364State *s)
+{
+    s->vram = g_malloc0(s->vram_size);
+
+    s->con = graphic_console_init(g364fb_update_display,
+                                  g364fb_invalidate_display,
+                                  g364fb_screen_dump, NULL, s);
+
+    memory_region_init_io(&s->mem_ctrl, &g364fb_ctrl_ops, s, "ctrl", 0x180000);
+    memory_region_init_ram_ptr(&s->mem_vram, "vram",
+                               s->vram_size, s->vram);
+    vmstate_register_ram(&s->mem_vram, dev);
+    memory_region_set_coalescing(&s->mem_vram);
+}
+
+typedef struct {
+    SysBusDevice busdev;
+    G364State g364;
+} G364SysBusState;
+
+static int g364fb_sysbus_init(SysBusDevice *dev)
+{
+    G364State *s = &FROM_SYSBUS(G364SysBusState, dev)->g364;
+
+    g364fb_init(&dev->qdev, s);
+    sysbus_init_irq(dev, &s->irq);
+    sysbus_init_mmio(dev, &s->mem_ctrl);
+    sysbus_init_mmio(dev, &s->mem_vram);
+
+    return 0;
+}
+
+static void g364fb_sysbus_reset(DeviceState *d)
+{
+    G364SysBusState *s = DO_UPCAST(G364SysBusState, busdev.qdev, d);
+    g364fb_reset(&s->g364);
+}
+
+static Property g364fb_sysbus_properties[] = {
+    DEFINE_PROP_HEX32("vram_size", G364SysBusState, g364.vram_size,
+    8 * 1024 * 1024),
+    DEFINE_PROP_END_OF_LIST(),
+};
+
+static void g364fb_sysbus_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
+
+    k->init = g364fb_sysbus_init;
+    dc->desc = "G364 framebuffer";
+    dc->reset = g364fb_sysbus_reset;
+    dc->vmsd = &vmstate_g364fb;
+    dc->props = g364fb_sysbus_properties;
+}
+
+static const TypeInfo g364fb_sysbus_info = {
+    .name          = "sysbus-g364",
+    .parent        = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(G364SysBusState),
+    .class_init    = g364fb_sysbus_class_init,
+};
+
+static void g364fb_register_types(void)
+{
+    type_register_static(&g364fb_sysbus_info);
+}
+
+type_init(g364fb_register_types)