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q800: introduce mac-io container memory region 

Move all devices from the IO region to within the container in preparation
for updating the IO aliasing mechanism.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230621085353.113233-11-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Mark Cave-Ayland 2023-06-21 09:53:39 +01:00 committed by Laurent Vivier
parent 1ecc6ec1ff
commit 7527c52fd0
2 changed files with 7 additions and 0 deletions
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6
hw/m68k/q800.c
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@ -177,6 +177,12 @@ static void q800_machine_init(MachineState *machine)
/* RAM */
memory_region_add_subregion(get_system_memory(), 0, machine->ram);
/*
* Create container for all IO devices
*/
memory_region_init(&m->macio, OBJECT(machine), "mac-io", IO_SLICE);
memory_region_add_subregion(get_system_memory(), IO_BASE, &m->macio);
/*
* Memory from IO_BASE to IO_BASE + IO_SLICE is repeated
* from IO_BASE + IO_SLICE to IO_BASE + IO_SIZE

1
include/hw/m68k/q800.h
View File

@ -39,6 +39,7 @@ struct Q800MachineState {
M68kCPU cpu;
MemoryRegion rom;
GLUEState glue;
MemoryRegion macio;
};
#define TYPE_Q800_MACHINE MACHINE_TYPE_NAME("q800")