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author | Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> | 2024-12-22 12:59:53 +0000 |
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committer | Thomas Huth <huth@tuxfamily.org> | 2024-12-29 07:13:47 +0100 |
commit | c178be67fdece8e0184b4014233c918899198fcb (patch) | |
tree | 7e1b9ac455e0e81c53bbcbaaeff2a1e3b1174a87 | |
parent | 292ab2faa7bce3a66c855bf80dd134e4156fa9d7 (diff) | |
download | qemu-c178be67fdece8e0184b4014233c918899198fcb.zip qemu-c178be67fdece8e0184b4014233c918899198fcb.tar.gz qemu-c178be67fdece8e0184b4014233c918899198fcb.tar.bz2 |
next-cube: add empty slots for unknown accesses to next.scr memory region
The next.scr memory is now effectively unused, however there are 3 separate region
accesses still logged that occur when booting a NeXTStep disk image. Use the
empty_slot device to capture and ignore memory accesses to these 3 memory regions.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-ID: <20241222130012.1013374-15-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Thomas Huth <huth@tuxfamily.org>
-rw-r--r-- | hw/m68k/Kconfig | 1 | ||||
-rw-r--r-- | hw/m68k/next-cube.c | 8 |
2 files changed, 9 insertions, 0 deletions
diff --git a/hw/m68k/Kconfig b/hw/m68k/Kconfig index 0092cda..aff769b 100644 --- a/hw/m68k/Kconfig +++ b/hw/m68k/Kconfig @@ -18,6 +18,7 @@ config NEXTCUBE depends on M68K select FRAMEBUFFER select ESCC + select EMPTY_SLOT config Q800 bool diff --git a/hw/m68k/next-cube.c b/hw/m68k/next-cube.c index 97a6f6c..6ca9170 100644 --- a/hw/m68k/next-cube.c +++ b/hw/m68k/next-cube.c @@ -22,6 +22,7 @@ #include "qom/object.h" #include "hw/char/escc.h" /* ZILOG 8530 Serial Emulation */ #include "hw/block/fdc.h" +#include "hw/misc/empty_slot.h" #include "hw/qdev-properties.h" #include "qapi/error.h" #include "qemu/error-report.h" @@ -1238,6 +1239,13 @@ static void next_cube_init(MachineState *machine) /* BMAP IO - acts as a catch-all for now */ sysbus_mmio_map(SYS_BUS_DEVICE(pcdev), 1, 0x02100000); + /* unknown: Brightness control register? */ + empty_slot_init("next.unknown.0", 0x02110000, 0x10); + /* unknown: Magneto-Optical drive controller? */ + empty_slot_init("next.unknown.1", 0x02112000, 0x10); + /* unknown: Serial clock configuration register? */ + empty_slot_init("next.unknown.2", 0x02118004, 0x10); + /* BMAP memory */ memory_region_init_ram_flags_nomigrate(&m->bmapm1, NULL, "next.bmapmem", 64, RAM_SHARED, &error_fatal); |