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Re: [Qemu-ppc] [PATCH 2/2] m48t59: add mem_base value to m48t59_init_isa
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-ppc] [PATCH 2/2] m48t59: add mem_base value to m48t59_init_isa() |
Date: |
Mon, 19 Jan 2015 13:59:38 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0 |
On 19/01/2015 13:57, Artyom Tarasenko wrote:
>> > Is it really ISA if it's MMIO? In other words, why can't this be a
>> > sysbus device?
> On physical machines it's EBus, which is pretty much like 8-bit ISA.
> So, I think modelling it as ISA is closer to to the reality.
> 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?
What does the memory map look like (simplifying to "where can BARs be"
and "where is the RTC")?
Paolo
- [Qemu-ppc] [PATCH 0/2] m48t59: add year offset and MMIO ISA mapping, Mark Cave-Ayland, 2015/01/19
- [Qemu-ppc] [PATCH 2/2] m48t59: add mem_base value to m48t59_init_isa(), Mark Cave-Ayland, 2015/01/19
- Re: [Qemu-ppc] [PATCH 2/2] m48t59: add mem_base value to m48t59_init_isa(), Paolo Bonzini, 2015/01/19
- Re: [Qemu-ppc] [PATCH 2/2] m48t59: add mem_base value to m48t59_init_isa(), Andreas Färber, 2015/01/19
- Re: [Qemu-ppc] [PATCH 2/2] m48t59: add mem_base value to m48t59_init_isa(), Artyom Tarasenko, 2015/01/19
- Re: [Qemu-ppc] [PATCH 2/2] m48t59: add mem_base value to m48t59_init_isa(), Paolo Bonzini, 2015/01/19
- Re: [Qemu-ppc] [PATCH 2/2] m48t59: add mem_base value to m48t59_init_isa(), Andreas Färber, 2015/01/19
- Re: [Qemu-ppc] [PATCH 2/2] m48t59: add mem_base value to m48t59_init_isa(), Paolo Bonzini, 2015/01/19
- Re: [Qemu-ppc] [PATCH 2/2] m48t59: add mem_base value to m48t59_init_isa(), Artyom Tarasenko, 2015/01/19
- Re: [Qemu-ppc] [PATCH 2/2] m48t59: add mem_base value to m48t59_init_isa(), Paolo Bonzini, 2015/01/19
- Re: [Qemu-ppc] [Qemu-devel] [PATCH 2/2] m48t59: add mem_base value to m48t59_init_isa(), Maciej W. Rozycki, 2015/01/19
- Re: [Qemu-ppc] [Qemu-devel] [PATCH 2/2] m48t59: add mem_base value to m48t59_init_isa(), Mark Cave-Ayland, 2015/01/19