mirror of https://github.com/xemu-project/xemu.git
Pull request q800 20211008
macfb: fixes for booting MacOS -----BEGIN PGP SIGNATURE----- iQJGBAABCAAwFiEEzS913cjjpNwuT1Fz8ww4vT8vvjwFAmFgLywSHGxhdXJlbnRA dml2aWVyLmV1AAoJEPMMOL0/L748oVMP/0P0PaJzy8bPgeR9dMM+1j8tH//07JEM K3B+oxs6lYfR3bWSaDtkiVdo+mu1E4eUXNFwCqLrI0U6FRZIyw+1AoOa2nWP1JjN 2resEGQVssBPXU6UJKQVPfRgG9jiVi0qmg9VL62fqwvuH+ek187ioWrgicW26mER KJcnl+K1VlZRyCS6SaY1zaLjTl+jKie7HC8fLpMhYrcwG0B+GT7c+0yWt4hL+ZdO EF1VTMZHY03jx2BM/QLWJoxq35ut/7p1rK2tY0uztwCfxsFlh/29iztmcl9ZveAr ZgA8URpm1cTUfR79p6GciISH27URvS+djxsFUfdk9+52IhVtKSqJSSwkRGkyocvQ kDre8NqgolM8bbn5R4z7yz+r7FA6Foi8bx0HMaMjo8NhiT2f4uJHb/3aHq0nV2/s TfYpDR81BPHciuzv36JI1MF/UF0vM6nQo9XL/0rWzfkH7NVLBPzyoHONI7MF4G9V QtDx/668Q3UZIQ0LBTVgxmSieQdGYoNeKGEO3rWZskkBUW0x8AoamU7SUtPoUl2R K22nRlg2Cfl+QnW5OEiGQCRXSBWEsFzamf4+QOT+kgK43/bbLSmqwJNsJToRQA4i 3xdH03NG+u1sfCIM/WWVk6B2p86BqHvo5+pwmdFBMp4SeYUFlXDFHzQwljcwn4lp ZjMWoS5fd6wE =BRg1 -----END PGP SIGNATURE----- Merge remote-tracking branch 'remotes/vivier-m68k/tags/m68k-next-pull-request' into staging Pull request q800 20211008 macfb: fixes for booting MacOS # gpg: Signature made Fri 08 Oct 2021 04:44:44 AM PDT # gpg: using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C # gpg: issuer "laurent@vivier.eu" # gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full] # gpg: aka "Laurent Vivier <laurent@vivier.eu>" [full] # gpg: aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full] * remotes/vivier-m68k/tags/m68k-next-pull-request: q800: wire macfb IRQ to separate video interrupt on VIA2 macfb: add vertical blank interrupt macfb: fix 24-bit RGB pixel encoding macfb: fix up 1-bit pixel encoding macfb: add common monitor modes supported by the MacOS toolbox ROM macfb: add qdev property to specify display type macfb: implement mode sense to allow display type to be detected macfb: add trace events for reading and writing the control registers macfb: use memory_region_init_ram() in macfb_common_realize() for the framebuffer macfb: fix overflow of color_palette array macfb: fix invalid object reference in macfb_common_realize() macfb: update macfb.c to use the Error API best practices macfb: handle errors that occur during realize Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson
commit
15a0578903
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@ -20,16 +20,102 @@
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#include "qapi/error.h"
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#include "hw/qdev-properties.h"
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#include "migration/vmstate.h"
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#include "trace.h"
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#define VIDEO_BASE 0x00001000
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#define VIDEO_BASE 0x0
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#define DAFB_BASE 0x00800000
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#define MACFB_PAGE_SIZE 4096
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#define MACFB_VRAM_SIZE (4 * MiB)
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#define DAFB_RESET 0x200
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#define DAFB_LUT 0x213
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#define DAFB_MODE_VADDR1 0x0
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#define DAFB_MODE_VADDR2 0x4
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#define DAFB_MODE_CTRL1 0x8
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#define DAFB_MODE_CTRL2 0xc
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#define DAFB_MODE_SENSE 0x1c
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#define DAFB_INTR_MASK 0x104
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#define DAFB_INTR_STAT 0x108
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#define DAFB_INTR_CLEAR 0x10c
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#define DAFB_RESET 0x200
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#define DAFB_LUT 0x213
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#define DAFB_INTR_VBL 0x4
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/* Vertical Blank period (60.15Hz) */
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#define DAFB_INTR_VBL_PERIOD_NS 16625800
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/*
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* Quadra sense codes taken from Apple Technical Note HW26:
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* "Macintosh Quadra Built-In Video". The sense codes and
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* extended sense codes have different meanings:
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*
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* Sense:
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* bit 2: SENSE2 (pin 10)
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* bit 1: SENSE1 (pin 7)
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* bit 0: SENSE0 (pin 4)
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*
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* 0 = pin tied to ground
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* 1 = pin unconnected
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*
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* Extended Sense:
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* bit 2: pins 4-10
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* bit 1: pins 10-7
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* bit 0: pins 7-4
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*
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* 0 = pins tied together
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* 1 = pins unconnected
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*
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* Reads from the sense register appear to be active low, i.e. a 1 indicates
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* that the pin is tied to ground, a 0 indicates the pin is disconnected.
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*
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* Writes to the sense register appear to activate pulldowns i.e. a 1 enables
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* a pulldown on a particular pin.
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*
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* The MacOS toolbox appears to use a series of reads and writes to first
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* determine if extended sense is to be used, and then check which pins are
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* tied together in order to determine the display type.
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*/
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typedef struct MacFbSense {
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uint8_t type;
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uint8_t sense;
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uint8_t ext_sense;
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} MacFbSense;
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static MacFbSense macfb_sense_table[] = {
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{ MACFB_DISPLAY_APPLE_21_COLOR, 0x0, 0 },
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{ MACFB_DISPLAY_APPLE_PORTRAIT, 0x1, 0 },
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{ MACFB_DISPLAY_APPLE_12_RGB, 0x2, 0 },
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{ MACFB_DISPLAY_APPLE_2PAGE_MONO, 0x3, 0 },
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{ MACFB_DISPLAY_NTSC_UNDERSCAN, 0x4, 0 },
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{ MACFB_DISPLAY_NTSC_OVERSCAN, 0x4, 0 },
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{ MACFB_DISPLAY_APPLE_12_MONO, 0x6, 0 },
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{ MACFB_DISPLAY_APPLE_13_RGB, 0x6, 0 },
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{ MACFB_DISPLAY_16_COLOR, 0x7, 0x3 },
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{ MACFB_DISPLAY_PAL1_UNDERSCAN, 0x7, 0x0 },
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{ MACFB_DISPLAY_PAL1_OVERSCAN, 0x7, 0x0 },
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{ MACFB_DISPLAY_PAL2_UNDERSCAN, 0x7, 0x6 },
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{ MACFB_DISPLAY_PAL2_OVERSCAN, 0x7, 0x6 },
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{ MACFB_DISPLAY_VGA, 0x7, 0x5 },
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{ MACFB_DISPLAY_SVGA, 0x7, 0x5 },
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};
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static MacFbMode macfb_mode_table[] = {
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{ MACFB_DISPLAY_VGA, 1, 0x100, 0x71e, 640, 480, 0x400, 0x1000 },
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{ MACFB_DISPLAY_VGA, 2, 0x100, 0x70e, 640, 480, 0x400, 0x1000 },
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{ MACFB_DISPLAY_VGA, 4, 0x100, 0x706, 640, 480, 0x400, 0x1000 },
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{ MACFB_DISPLAY_VGA, 8, 0x100, 0x702, 640, 480, 0x400, 0x1000 },
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{ MACFB_DISPLAY_VGA, 24, 0x100, 0x7ff, 640, 480, 0x1000, 0x1000 },
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{ MACFB_DISPLAY_VGA, 1, 0xd0 , 0x70e, 800, 600, 0x340, 0xe00 },
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{ MACFB_DISPLAY_VGA, 2, 0xd0 , 0x706, 800, 600, 0x340, 0xe00 },
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{ MACFB_DISPLAY_VGA, 4, 0xd0 , 0x702, 800, 600, 0x340, 0xe00 },
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{ MACFB_DISPLAY_VGA, 8, 0xd0, 0x700, 800, 600, 0x340, 0xe00 },
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{ MACFB_DISPLAY_VGA, 24, 0x340, 0x100, 800, 600, 0xd00, 0xe00 },
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{ MACFB_DISPLAY_APPLE_21_COLOR, 1, 0x90, 0x506, 1152, 870, 0x240, 0x80 },
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{ MACFB_DISPLAY_APPLE_21_COLOR, 2, 0x90, 0x502, 1152, 870, 0x240, 0x80 },
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{ MACFB_DISPLAY_APPLE_21_COLOR, 4, 0x90, 0x500, 1152, 870, 0x240, 0x80 },
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{ MACFB_DISPLAY_APPLE_21_COLOR, 8, 0x120, 0x5ff, 1152, 870, 0x480, 0x80 },
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};
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typedef void macfb_draw_line_func(MacfbState *s, uint8_t *d, uint32_t addr,
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int width);
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@ -49,7 +135,9 @@ static void macfb_draw_line1(MacfbState *s, uint8_t *d, uint32_t addr,
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for (x = 0; x < width; x++) {
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int bit = x & 7;
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int idx = (macfb_read_byte(s, addr) >> (7 - bit)) & 1;
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r = g = b = ((1 - idx) << 7);
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r = s->color_palette[idx * 3];
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g = s->color_palette[idx * 3 + 1];
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b = s->color_palette[idx * 3 + 2];
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addr += (bit == 7);
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*(uint32_t *)d = rgb_to_pixel32(r, g, b);
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@ -143,10 +231,10 @@ static void macfb_draw_line24(MacfbState *s, uint8_t *d, uint32_t addr,
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int x;
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for (x = 0; x < width; x++) {
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r = macfb_read_byte(s, addr);
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g = macfb_read_byte(s, addr + 1);
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b = macfb_read_byte(s, addr + 2);
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addr += 3;
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r = macfb_read_byte(s, addr + 1);
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g = macfb_read_byte(s, addr + 2);
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b = macfb_read_byte(s, addr + 3);
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addr += 4;
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*(uint32_t *)d = rgb_to_pixel32(r, g, b);
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d += 4;
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@ -187,7 +275,7 @@ static void macfb_draw_graphic(MacfbState *s)
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ram_addr_t page;
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uint32_t v = 0;
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int y, ymin;
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int macfb_stride = (s->depth * s->width + 7) / 8;
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int macfb_stride = s->mode->stride;
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macfb_draw_line_func *macfb_draw_line;
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switch (s->depth) {
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@ -219,7 +307,7 @@ static void macfb_draw_graphic(MacfbState *s)
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DIRTY_MEMORY_VGA);
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ymin = -1;
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page = 0;
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page = s->mode->offset;
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for (y = 0; y < s->height; y++, page += macfb_stride) {
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if (macfb_check_dirty(s, snap, page, macfb_stride)) {
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uint8_t *data_display;
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@ -252,6 +340,124 @@ static void macfb_invalidate_display(void *opaque)
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memory_region_set_dirty(&s->mem_vram, 0, MACFB_VRAM_SIZE);
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}
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static uint32_t macfb_sense_read(MacfbState *s)
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{
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MacFbSense *macfb_sense;
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uint8_t sense;
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assert(s->type < ARRAY_SIZE(macfb_sense_table));
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macfb_sense = &macfb_sense_table[s->type];
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if (macfb_sense->sense == 0x7) {
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/* Extended sense */
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sense = 0;
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if (!(macfb_sense->ext_sense & 1)) {
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/* Pins 7-4 together */
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if (~s->regs[DAFB_MODE_SENSE >> 2] & 3) {
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sense = (~s->regs[DAFB_MODE_SENSE >> 2] & 7) | 3;
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}
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}
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if (!(macfb_sense->ext_sense & 2)) {
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/* Pins 10-7 together */
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if (~s->regs[DAFB_MODE_SENSE >> 2] & 6) {
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sense = (~s->regs[DAFB_MODE_SENSE >> 2] & 7) | 6;
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}
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}
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if (!(macfb_sense->ext_sense & 4)) {
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/* Pins 4-10 together */
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if (~s->regs[DAFB_MODE_SENSE >> 2] & 5) {
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sense = (~s->regs[DAFB_MODE_SENSE >> 2] & 7) | 5;
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}
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}
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} else {
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/* Normal sense */
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sense = (~macfb_sense->sense & 7) |
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(~s->regs[DAFB_MODE_SENSE >> 2] & 7);
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}
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trace_macfb_sense_read(sense);
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return sense;
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}
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static void macfb_sense_write(MacfbState *s, uint32_t val)
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{
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s->regs[DAFB_MODE_SENSE >> 2] = val;
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trace_macfb_sense_write(val);
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return;
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}
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static void macfb_update_mode(MacfbState *s)
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{
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s->width = s->mode->width;
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s->height = s->mode->height;
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s->depth = s->mode->depth;
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trace_macfb_update_mode(s->width, s->height, s->depth);
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macfb_invalidate_display(s);
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}
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static void macfb_mode_write(MacfbState *s)
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{
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MacFbMode *macfb_mode;
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int i;
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for (i = 0; i < ARRAY_SIZE(macfb_mode_table); i++) {
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macfb_mode = &macfb_mode_table[i];
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if (s->type != macfb_mode->type) {
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continue;
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}
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if ((s->regs[DAFB_MODE_CTRL1 >> 2] & 0xff) ==
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(macfb_mode->mode_ctrl1 & 0xff) &&
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(s->regs[DAFB_MODE_CTRL2 >> 2] & 0xff) ==
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(macfb_mode->mode_ctrl2 & 0xff)) {
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s->mode = macfb_mode;
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macfb_update_mode(s);
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break;
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}
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}
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}
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static MacFbMode *macfb_find_mode(MacfbDisplayType display_type,
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uint16_t width, uint16_t height,
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uint8_t depth)
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{
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MacFbMode *macfb_mode;
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int i;
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for (i = 0; i < ARRAY_SIZE(macfb_mode_table); i++) {
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macfb_mode = &macfb_mode_table[i];
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if (display_type == macfb_mode->type && width == macfb_mode->width &&
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height == macfb_mode->height && depth == macfb_mode->depth) {
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return macfb_mode;
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}
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}
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return NULL;
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}
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static gchar *macfb_mode_list(void)
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{
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gchar *list = NULL;
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gchar *mode;
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MacFbMode *macfb_mode;
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int i;
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for (i = 0; i < ARRAY_SIZE(macfb_mode_table); i++) {
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macfb_mode = &macfb_mode_table[i];
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mode = g_strdup_printf(" %dx%dx%d\n", macfb_mode->width,
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macfb_mode->height, macfb_mode->depth);
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list = g_strconcat(mode, list, NULL);
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g_free(mode);
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}
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return list;
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}
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static void macfb_update_display(void *opaque)
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{
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MacfbState *s = opaque;
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@ -271,6 +477,36 @@ static void macfb_update_display(void *opaque)
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macfb_draw_graphic(s);
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}
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static void macfb_update_irq(MacfbState *s)
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{
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uint32_t irq_state = s->irq_state & s->irq_mask;
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if (irq_state) {
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qemu_irq_raise(s->irq);
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} else {
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qemu_irq_lower(s->irq);
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}
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}
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static int64_t macfb_next_vbl(void)
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{
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return (qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + DAFB_INTR_VBL_PERIOD_NS) /
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DAFB_INTR_VBL_PERIOD_NS * DAFB_INTR_VBL_PERIOD_NS;
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}
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static void macfb_vbl_timer(void *opaque)
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{
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MacfbState *s = opaque;
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int64_t next_vbl;
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s->irq_state |= DAFB_INTR_VBL;
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macfb_update_irq(s);
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/* 60 Hz irq */
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next_vbl = macfb_next_vbl();
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timer_mod(s->vbl_timer, next_vbl);
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}
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static void macfb_reset(MacfbState *s)
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{
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int i;
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|
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@ -289,7 +525,26 @@ static uint64_t macfb_ctrl_read(void *opaque,
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hwaddr addr,
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unsigned int size)
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{
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return 0;
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MacfbState *s = opaque;
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uint64_t val = 0;
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switch (addr) {
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case DAFB_MODE_VADDR1:
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case DAFB_MODE_VADDR2:
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case DAFB_MODE_CTRL1:
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case DAFB_MODE_CTRL2:
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val = s->regs[addr >> 2];
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break;
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case DAFB_INTR_STAT:
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val = s->irq_state;
|
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break;
|
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case DAFB_MODE_SENSE:
|
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val = macfb_sense_read(s);
|
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break;
|
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}
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trace_macfb_ctrl_read(addr, val, size);
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return val;
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}
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|
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static void macfb_ctrl_write(void *opaque,
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|
|
@ -298,17 +553,52 @@ static void macfb_ctrl_write(void *opaque,
|
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unsigned int size)
|
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{
|
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MacfbState *s = opaque;
|
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int64_t next_vbl;
|
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|
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switch (addr) {
|
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case DAFB_MODE_VADDR1:
|
||||
case DAFB_MODE_VADDR2:
|
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s->regs[addr >> 2] = val;
|
||||
break;
|
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case DAFB_MODE_CTRL1 ... DAFB_MODE_CTRL1 + 3:
|
||||
case DAFB_MODE_CTRL2 ... DAFB_MODE_CTRL2 + 3:
|
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s->regs[addr >> 2] = val;
|
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if (val) {
|
||||
macfb_mode_write(s);
|
||||
}
|
||||
break;
|
||||
case DAFB_MODE_SENSE:
|
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macfb_sense_write(s, val);
|
||||
break;
|
||||
case DAFB_INTR_MASK:
|
||||
s->irq_mask = val;
|
||||
if (val & DAFB_INTR_VBL) {
|
||||
next_vbl = macfb_next_vbl();
|
||||
timer_mod(s->vbl_timer, next_vbl);
|
||||
} else {
|
||||
timer_del(s->vbl_timer);
|
||||
}
|
||||
break;
|
||||
case DAFB_INTR_CLEAR:
|
||||
s->irq_state &= ~DAFB_INTR_VBL;
|
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macfb_update_irq(s);
|
||||
break;
|
||||
case DAFB_RESET:
|
||||
s->palette_current = 0;
|
||||
s->irq_state &= ~DAFB_INTR_VBL;
|
||||
macfb_update_irq(s);
|
||||
break;
|
||||
case DAFB_LUT:
|
||||
s->color_palette[s->palette_current++] = val;
|
||||
s->color_palette[s->palette_current] = val;
|
||||
s->palette_current = (s->palette_current + 1) %
|
||||
ARRAY_SIZE(s->color_palette);
|
||||
if (s->palette_current % 3) {
|
||||
macfb_invalidate_display(s);
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
trace_macfb_ctrl_write(addr, val, size);
|
||||
}
|
||||
|
||||
static const MemoryRegionOps macfb_ctrl_ops = {
|
||||
|
|
@ -321,7 +611,7 @@ static const MemoryRegionOps macfb_ctrl_ops = {
|
|||
|
||||
static int macfb_post_load(void *opaque, int version_id)
|
||||
{
|
||||
macfb_invalidate_display(opaque);
|
||||
macfb_mode_write(opaque);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
@ -334,6 +624,7 @@ static const VMStateDescription vmstate_macfb = {
|
|||
.fields = (VMStateField[]) {
|
||||
VMSTATE_UINT8_ARRAY(color_palette, MacfbState, 256 * 3),
|
||||
VMSTATE_UINT32(palette_current, MacfbState),
|
||||
VMSTATE_UINT32_ARRAY(regs, MacfbState, MACFB_NUM_REGS),
|
||||
VMSTATE_END_OF_LIST()
|
||||
}
|
||||
};
|
||||
|
|
@ -343,14 +634,20 @@ static const GraphicHwOps macfb_ops = {
|
|||
.gfx_update = macfb_update_display,
|
||||
};
|
||||
|
||||
static void macfb_common_realize(DeviceState *dev, MacfbState *s, Error **errp)
|
||||
static bool macfb_common_realize(DeviceState *dev, MacfbState *s, Error **errp)
|
||||
{
|
||||
DisplaySurface *surface;
|
||||
|
||||
if (s->depth != 1 && s->depth != 2 && s->depth != 4 && s->depth != 8 &&
|
||||
s->depth != 16 && s->depth != 24) {
|
||||
error_setg(errp, "unknown guest depth %d", s->depth);
|
||||
return;
|
||||
s->mode = macfb_find_mode(s->type, s->width, s->height, s->depth);
|
||||
if (!s->mode) {
|
||||
gchar *list;
|
||||
error_setg(errp, "unknown display mode: width %d, height %d, depth %d",
|
||||
s->width, s->height, s->depth);
|
||||
list = macfb_mode_list();
|
||||
error_append_hint(errp, "Available modes:\n%s", list);
|
||||
g_free(list);
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
s->con = graphic_console_init(dev, 0, &macfb_ops, s);
|
||||
|
|
@ -359,18 +656,21 @@ static void macfb_common_realize(DeviceState *dev, MacfbState *s, Error **errp)
|
|||
if (surface_bits_per_pixel(surface) != 32) {
|
||||
error_setg(errp, "unknown host depth %d",
|
||||
surface_bits_per_pixel(surface));
|
||||
return;
|
||||
return false;
|
||||
}
|
||||
|
||||
memory_region_init_io(&s->mem_ctrl, OBJECT(dev), &macfb_ctrl_ops, s,
|
||||
"macfb-ctrl", 0x1000);
|
||||
|
||||
memory_region_init_ram_nomigrate(&s->mem_vram, OBJECT(s), "macfb-vram",
|
||||
MACFB_VRAM_SIZE, errp);
|
||||
memory_region_init_ram(&s->mem_vram, OBJECT(dev), "macfb-vram",
|
||||
MACFB_VRAM_SIZE, &error_abort);
|
||||
s->vram = memory_region_get_ram_ptr(&s->mem_vram);
|
||||
s->vram_bit_mask = MACFB_VRAM_SIZE - 1;
|
||||
vmstate_register_ram(&s->mem_vram, dev);
|
||||
memory_region_set_coalescing(&s->mem_vram);
|
||||
|
||||
s->vbl_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, macfb_vbl_timer, s);
|
||||
macfb_update_mode(s);
|
||||
return true;
|
||||
}
|
||||
|
||||
static void macfb_sysbus_realize(DeviceState *dev, Error **errp)
|
||||
|
|
@ -378,9 +678,22 @@ static void macfb_sysbus_realize(DeviceState *dev, Error **errp)
|
|||
MacfbSysBusState *s = MACFB(dev);
|
||||
MacfbState *ms = &s->macfb;
|
||||
|
||||
macfb_common_realize(dev, ms, errp);
|
||||
if (!macfb_common_realize(dev, ms, errp)) {
|
||||
return;
|
||||
}
|
||||
|
||||
sysbus_init_mmio(SYS_BUS_DEVICE(s), &ms->mem_ctrl);
|
||||
sysbus_init_mmio(SYS_BUS_DEVICE(s), &ms->mem_vram);
|
||||
|
||||
qdev_init_gpio_out(dev, &ms->irq, 1);
|
||||
}
|
||||
|
||||
static void macfb_nubus_set_irq(void *opaque, int n, int level)
|
||||
{
|
||||
MacfbNubusState *s = NUBUS_MACFB(opaque);
|
||||
NubusDevice *nd = NUBUS_DEVICE(s);
|
||||
|
||||
nubus_set_irq(nd, level);
|
||||
}
|
||||
|
||||
static void macfb_nubus_realize(DeviceState *dev, Error **errp)
|
||||
|
|
@ -391,10 +704,29 @@ static void macfb_nubus_realize(DeviceState *dev, Error **errp)
|
|||
MacfbState *ms = &s->macfb;
|
||||
|
||||
ndc->parent_realize(dev, errp);
|
||||
if (*errp) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (!macfb_common_realize(dev, ms, errp)) {
|
||||
return;
|
||||
}
|
||||
|
||||
macfb_common_realize(dev, ms, errp);
|
||||
memory_region_add_subregion(&nd->slot_mem, DAFB_BASE, &ms->mem_ctrl);
|
||||
memory_region_add_subregion(&nd->slot_mem, VIDEO_BASE, &ms->mem_vram);
|
||||
|
||||
ms->irq = qemu_allocate_irq(macfb_nubus_set_irq, s, 0);
|
||||
}
|
||||
|
||||
static void macfb_nubus_unrealize(DeviceState *dev)
|
||||
{
|
||||
MacfbNubusState *s = NUBUS_MACFB(dev);
|
||||
MacfbNubusDeviceClass *ndc = NUBUS_MACFB_GET_CLASS(dev);
|
||||
MacfbState *ms = &s->macfb;
|
||||
|
||||
ndc->parent_unrealize(dev);
|
||||
|
||||
qemu_free_irq(ms->irq);
|
||||
}
|
||||
|
||||
static void macfb_sysbus_reset(DeviceState *d)
|
||||
|
|
@ -413,6 +745,8 @@ static Property macfb_sysbus_properties[] = {
|
|||
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_UINT8("display", MacfbSysBusState, macfb.type,
|
||||
MACFB_DISPLAY_VGA),
|
||||
DEFINE_PROP_END_OF_LIST(),
|
||||
};
|
||||
|
||||
|
|
@ -420,6 +754,8 @@ static Property macfb_nubus_properties[] = {
|
|||
DEFINE_PROP_UINT32("width", MacfbNubusState, macfb.width, 640),
|
||||
DEFINE_PROP_UINT32("height", MacfbNubusState, macfb.height, 480),
|
||||
DEFINE_PROP_UINT8("depth", MacfbNubusState, macfb.depth, 8),
|
||||
DEFINE_PROP_UINT8("display", MacfbNubusState, macfb.type,
|
||||
MACFB_DISPLAY_VGA),
|
||||
DEFINE_PROP_END_OF_LIST(),
|
||||
};
|
||||
|
||||
|
|
@ -441,6 +777,8 @@ static void macfb_nubus_class_init(ObjectClass *klass, void *data)
|
|||
|
||||
device_class_set_parent_realize(dc, macfb_nubus_realize,
|
||||
&ndc->parent_realize);
|
||||
device_class_set_parent_unrealize(dc, macfb_nubus_unrealize,
|
||||
&ndc->parent_unrealize);
|
||||
dc->desc = "Nubus Macintosh framebuffer";
|
||||
dc->reset = macfb_nubus_reset;
|
||||
dc->vmsd = &vmstate_macfb;
|
||||
|
|
|
|||
|
|
@ -167,3 +167,10 @@ sm501_disp_ctrl_read(uint32_t addr, uint32_t val) "addr=0x%x, val=0x%x"
|
|||
sm501_disp_ctrl_write(uint32_t addr, uint32_t val) "addr=0x%x, val=0x%x"
|
||||
sm501_2d_engine_read(uint32_t addr, uint32_t val) "addr=0x%x, val=0x%x"
|
||||
sm501_2d_engine_write(uint32_t addr, uint32_t val) "addr=0x%x, val=0x%x"
|
||||
|
||||
# macfb.c
|
||||
macfb_ctrl_read(uint64_t addr, uint64_t value, unsigned int size) "addr 0x%"PRIx64 " value 0x%"PRIx64 " size %u"
|
||||
macfb_ctrl_write(uint64_t addr, uint64_t value, unsigned int size) "addr 0x%"PRIx64 " value 0x%"PRIx64 " size %u"
|
||||
macfb_sense_read(uint32_t value) "video sense: 0x%"PRIx32
|
||||
macfb_sense_write(uint32_t value) "video sense: 0x%"PRIx32
|
||||
macfb_update_mode(uint32_t width, uint32_t height, uint8_t depth) "setting mode to width %"PRId32 " height %"PRId32 " size %d"
|
||||
|
|
|
|||
|
|
@ -74,7 +74,7 @@
|
|||
* is needed by the kernel to have early display and
|
||||
* thus provided by the bootloader
|
||||
*/
|
||||
#define VIDEO_BASE 0xf9001000
|
||||
#define VIDEO_BASE 0xf9000000
|
||||
|
||||
#define MAC_CLOCK 3686418
|
||||
|
||||
|
|
@ -221,6 +221,7 @@ static void q800_init(MachineState *machine)
|
|||
uint8_t *prom;
|
||||
const int io_slice_nb = (IO_SIZE / IO_SLICE) - 1;
|
||||
int i, checksum;
|
||||
MacFbMode *macfb_mode;
|
||||
ram_addr_t ram_size = machine->ram_size;
|
||||
const char *kernel_filename = machine->kernel_filename;
|
||||
const char *initrd_filename = machine->initrd_filename;
|
||||
|
|
@ -406,8 +407,10 @@ static void q800_init(MachineState *machine)
|
|||
MAC_NUBUS_FIRST_SLOT * NUBUS_SUPER_SLOT_SIZE);
|
||||
sysbus_mmio_map(SYS_BUS_DEVICE(dev), 1, NUBUS_SLOT_BASE +
|
||||
MAC_NUBUS_FIRST_SLOT * NUBUS_SLOT_SIZE);
|
||||
|
||||
for (i = 0; i < VIA2_NUBUS_IRQ_NB; i++) {
|
||||
qdev_connect_gpio_out(dev, 9,
|
||||
qdev_get_gpio_in_named(via2_dev, "nubus-irq",
|
||||
VIA2_NUBUS_IRQ_INTVIDEO));
|
||||
for (i = 1; i < VIA2_NUBUS_IRQ_NB; i++) {
|
||||
qdev_connect_gpio_out(dev, 9 + i,
|
||||
qdev_get_gpio_in_named(via2_dev, "nubus-irq",
|
||||
VIA2_NUBUS_IRQ_9 + i));
|
||||
|
|
@ -418,11 +421,19 @@ static void q800_init(MachineState *machine)
|
|||
/* framebuffer in nubus slot #9 */
|
||||
|
||||
dev = qdev_new(TYPE_NUBUS_MACFB);
|
||||
qdev_prop_set_uint32(dev, "slot", 9);
|
||||
qdev_prop_set_uint32(dev, "width", graphic_width);
|
||||
qdev_prop_set_uint32(dev, "height", graphic_height);
|
||||
qdev_prop_set_uint8(dev, "depth", graphic_depth);
|
||||
if (graphic_width == 1152 && graphic_height == 870 && graphic_depth == 8) {
|
||||
qdev_prop_set_uint8(dev, "display", MACFB_DISPLAY_APPLE_21_COLOR);
|
||||
} else {
|
||||
qdev_prop_set_uint8(dev, "display", MACFB_DISPLAY_VGA);
|
||||
}
|
||||
qdev_realize_and_unref(dev, BUS(nubus), &error_fatal);
|
||||
|
||||
macfb_mode = (NUBUS_MACFB(dev)->macfb).mode;
|
||||
|
||||
cs = CPU(cpu);
|
||||
if (linux_boot) {
|
||||
uint64_t high;
|
||||
|
|
@ -445,12 +456,12 @@ static void q800_init(MachineState *machine)
|
|||
BOOTINFO1(cs->as, parameters_base,
|
||||
BI_MAC_MEMSIZE, ram_size >> 20); /* in MB */
|
||||
BOOTINFO2(cs->as, parameters_base, BI_MEMCHUNK, 0, ram_size);
|
||||
BOOTINFO1(cs->as, parameters_base, BI_MAC_VADDR, VIDEO_BASE);
|
||||
BOOTINFO1(cs->as, parameters_base, BI_MAC_VADDR,
|
||||
VIDEO_BASE + macfb_mode->offset);
|
||||
BOOTINFO1(cs->as, parameters_base, BI_MAC_VDEPTH, graphic_depth);
|
||||
BOOTINFO1(cs->as, parameters_base, BI_MAC_VDIM,
|
||||
(graphic_height << 16) | graphic_width);
|
||||
BOOTINFO1(cs->as, parameters_base, BI_MAC_VROW,
|
||||
(graphic_width * graphic_depth + 7) / 8);
|
||||
BOOTINFO1(cs->as, parameters_base, BI_MAC_VROW, macfb_mode->stride);
|
||||
BOOTINFO1(cs->as, parameters_base, BI_MAC_SCCBASE, SCC_BASE);
|
||||
|
||||
rom = g_malloc(sizeof(*rom));
|
||||
|
|
|
|||
|
|
@ -14,9 +14,42 @@
|
|||
#define MACFB_H
|
||||
|
||||
#include "exec/memory.h"
|
||||
#include "hw/irq.h"
|
||||
#include "ui/console.h"
|
||||
#include "qemu/timer.h"
|
||||
#include "qom/object.h"
|
||||
|
||||
typedef enum {
|
||||
MACFB_DISPLAY_APPLE_21_COLOR = 0,
|
||||
MACFB_DISPLAY_APPLE_PORTRAIT = 1,
|
||||
MACFB_DISPLAY_APPLE_12_RGB = 2,
|
||||
MACFB_DISPLAY_APPLE_2PAGE_MONO = 3,
|
||||
MACFB_DISPLAY_NTSC_UNDERSCAN = 4,
|
||||
MACFB_DISPLAY_NTSC_OVERSCAN = 5,
|
||||
MACFB_DISPLAY_APPLE_12_MONO = 6,
|
||||
MACFB_DISPLAY_APPLE_13_RGB = 7,
|
||||
MACFB_DISPLAY_16_COLOR = 8,
|
||||
MACFB_DISPLAY_PAL1_UNDERSCAN = 9,
|
||||
MACFB_DISPLAY_PAL1_OVERSCAN = 10,
|
||||
MACFB_DISPLAY_PAL2_UNDERSCAN = 11,
|
||||
MACFB_DISPLAY_PAL2_OVERSCAN = 12,
|
||||
MACFB_DISPLAY_VGA = 13,
|
||||
MACFB_DISPLAY_SVGA = 14,
|
||||
} MacfbDisplayType;
|
||||
|
||||
typedef struct MacFbMode {
|
||||
uint8_t type;
|
||||
uint8_t depth;
|
||||
uint32_t mode_ctrl1;
|
||||
uint32_t mode_ctrl2;
|
||||
uint32_t width;
|
||||
uint32_t height;
|
||||
uint32_t stride;
|
||||
uint32_t offset;
|
||||
} MacFbMode;
|
||||
|
||||
#define MACFB_NUM_REGS 8
|
||||
|
||||
typedef struct MacfbState {
|
||||
MemoryRegion mem_vram;
|
||||
MemoryRegion mem_ctrl;
|
||||
|
|
@ -28,6 +61,15 @@ typedef struct MacfbState {
|
|||
uint8_t color_palette[256 * 3];
|
||||
uint32_t width, height; /* in pixels */
|
||||
uint8_t depth;
|
||||
uint8_t type;
|
||||
|
||||
uint32_t regs[MACFB_NUM_REGS];
|
||||
MacFbMode *mode;
|
||||
|
||||
uint32_t irq_state;
|
||||
uint32_t irq_mask;
|
||||
QEMUTimer *vbl_timer;
|
||||
qemu_irq irq;
|
||||
} MacfbState;
|
||||
|
||||
#define TYPE_MACFB "sysbus-macfb"
|
||||
|
|
@ -46,6 +88,7 @@ struct MacfbNubusDeviceClass {
|
|||
DeviceClass parent_class;
|
||||
|
||||
DeviceRealize parent_realize;
|
||||
DeviceUnrealize parent_unrealize;
|
||||
};
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue