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Re: [Qemu-devel] [PATCH 2/2] m48t59: add mem_base value to m48t59_init_i
From: |
Peter Maydell |
Subject: |
Re: [Qemu-devel] [PATCH 2/2] m48t59: add mem_base value to m48t59_init_isa() |
Date: |
Mon, 19 Jan 2015 15:04:38 +0000 |
On 19 January 2015 at 12:57, Artyom Tarasenko <address@hidden> wrote:
> But out of curiosity, would it be possible to have a sysbus device
> somewhere in a middle of PCI space? Do sysbus devices have higher
> priority if the address spaces overlap? Or do you mean that the PCI
> controller needs to be modified to have a hole for a sysbus device?
You can specify the priority when you map devices into a MemoryRegion,
so you can handle this by either making the sysbus device a positive
priority or by making the PCI window have a negative priority.
(We don't actually get this right on x86 currently,
which has resulted in some awkwardness for the PPC desire to
make PCI address 0 valid.)
-- PMM
- Re: [Qemu-devel] [PATCH 2/2] m48t59: add mem_base value to m48t59_init_isa(), (continued)
- Re: [Qemu-devel] [PATCH 2/2] m48t59: add mem_base value to m48t59_init_isa(), Mark Cave-Ayland, 2015/01/19
- Re: [Qemu-devel] [PATCH 2/2] m48t59: add mem_base value to m48t59_init_isa(), Mark Cave-Ayland, 2015/01/19
- Re: [Qemu-devel] [PATCH 2/2] m48t59: add mem_base value to m48t59_init_isa(), Andreas Färber, 2015/01/19
- Re: [Qemu-devel] [PATCH 2/2] m48t59: add mem_base value to m48t59_init_isa(), Artyom Tarasenko, 2015/01/20
- Re: [Qemu-devel] [PATCH 2/2] m48t59: add mem_base value to m48t59_init_isa(), Mark Cave-Ayland, 2015/01/19
- Re: [Qemu-devel] [PATCH 2/2] m48t59: add mem_base value to m48t59_init_isa(), Hervé Poussineau, 2015/01/19
- Re: [Qemu-devel] [PATCH 2/2] m48t59: add mem_base value to m48t59_init_isa(),
Peter Maydell <=
- Re: [Qemu-devel] [PATCH 2/2] m48t59: add mem_base value to m48t59_init_isa(), Mark Cave-Ayland, 2015/01/19
- Re: [Qemu-devel] [PATCH 2/2] m48t59: add mem_base value to m48t59_init_isa(), Peter Maydell, 2015/01/19
[Qemu-devel] [PATCH 1/2] m48t59: introduce new year_offset qdev property, Mark Cave-Ayland, 2015/01/19
Re: [Qemu-devel] [PATCH 0/2] m48t59: add year offset and MMIO ISA mapping, Artyom Tarasenko, 2015/01/19
Re: [Qemu-devel] [PATCH 0/2] m48t59: add year offset and MMIO ISA mapping, Hervé Poussineau, 2015/01/19