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Re: [Qemu-devel] [PATCH v3 0/5] Remove sysbus_add_memory and sysbus_del_
From: |
Andreas Färber |
Subject: |
Re: [Qemu-devel] [PATCH v3 0/5] Remove sysbus_add_memory and sysbus_del_memory |
Date: |
Thu, 28 Mar 2013 16:15:58 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130307 Thunderbird/17.0.4 |
Am 28.03.2013 12:25, schrieb Peter Maydell:
> Ping!
All patches have at least one Reviewed-by or Acked-by including that of
the lm32 maintainer, so you could just apply these to arm-devs.next, no?
Andreas
>
> -- PMM
>
> On 15 March 2013 14:34, Peter Maydell <address@hidden> wrote:
>> The functions sysbus_add_memory and sysbus_del_memory are odd wrappers
>> around around memory_region_add/del_subregion, and their presence
>> is an encouragement to devices to try to map their own memory
>> regions into the system address space.
>>
>> Since they're only used in a couple of places in the milkymist
>> and musicpal platforms, rewrite those uses to have the sysbus
>> devices expose the memory regions as sysbus mmio regions, and
>> then have the creator of the device (ie board code) map them
>> in the right places. Then we can remove the functions altogether.
>>
>> The series includes a trivial patch to sysbus to make the init
>> method optional, since (as part of the move towards using only
>> instance_init and realize) it's now possible to have a simple
>> functional device which only needs an instance_init method
>> and no realize or init [the musicpal-misc device introduced
>> in patch 2 being one such example].
>>
>> Tested on both musicpal and milkymist.
>>
>> I rather suspect sysbus_add_io and sysbus_del_io should also be
>> removed, but since their users are in PPC and x86 platforms I'll
>> let somebody else do that part :-)
>>
>> Changes v2->v3:
>> * changed field name of parent obj in MusicPalMiscState to
>> 'parent_obj' as per convention
>> * rebased on master
>> Changes v1->v2:
>> * updated 'qdevify musicpal-misc' to drop unneeded typedef
>> and QOM macros, as per review discussion
>>
>>
>> Peter Maydell (5):
>> sysbus: make SysBusDeviceClass::init optional
>> musicpal: qdevify musicpal-misc
>> milkymist-minimac2: Just expose buffers as a sysbus mmio region
>> milkymist-softusb: Don't map RAM memory regions in the device itself
>> sysbus: Remove sysbus_add_memory and sysbus_del_memory
>>
>> hw/arm/musicpal.c | 28 +++++++++++++++++++++++-----
>> hw/milkymist-hw.h | 6 +++---
>> hw/milkymist-minimac2.c | 5 +----
>> hw/milkymist-softusb.c | 21 +++++++++++----------
>> hw/sysbus.c | 21 +++------------------
>> hw/sysbus.h | 5 -----
>> 6 files changed, 41 insertions(+), 45 deletions(-)
>>
>> --
>> 1.7.9.5
>>
>>
>
--
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GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg
- [Qemu-devel] [PATCH v3 1/5] sysbus: make SysBusDeviceClass::init optional, (continued)
- [Qemu-devel] [PATCH v3 1/5] sysbus: make SysBusDeviceClass::init optional, Peter Maydell, 2013/03/15
- [Qemu-devel] [PATCH v3 4/5] milkymist-softusb: Don't map RAM memory regions in the device itself, Peter Maydell, 2013/03/15
- [Qemu-devel] [PATCH v3 5/5] sysbus: Remove sysbus_add_memory and sysbus_del_memory, Peter Maydell, 2013/03/15
- [Qemu-devel] [PATCH v3 3/5] milkymist-minimac2: Just expose buffers as a sysbus mmio region, Peter Maydell, 2013/03/15
- [Qemu-devel] [PATCH v3 2/5] musicpal: qdevify musicpal-misc, Peter Maydell, 2013/03/15
- Re: [Qemu-devel] [PATCH v3 0/5] Remove sysbus_add_memory and sysbus_del_memory, Paolo Bonzini, 2013/03/15
- Re: [Qemu-devel] [PATCH v3 0/5] Remove sysbus_add_memory and sysbus_del_memory, Peter Maydell, 2013/03/28
- Re: [Qemu-devel] [PATCH v3 0/5] Remove sysbus_add_memory and sysbus_del_memory,
Andreas Färber <=