From: Aleksandar Markovic <aleksandar.m.mail@gmail.com>
To: "Philippe Mathieu-Daudé" <philmd@redhat.com>
Cc: "Stefano Stabellini" <sstabellini@kernel.org>,
"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>,
"Paul Durrant" <paul@xen.org>,
"Michael S. Tsirkin" <mst@redhat.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"Eduardo Habkost" <ehabkost@redhat.com>,
"Hervé Poussineau" <hpoussin@reactos.org>,
"Aleksandar Markovic" <amarkovic@wavecomp.com>,
"Igor Mammedov" <imammedo@redhat.com>,
"Anthony Perard" <anthony.perard@citrix.com>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Aleksandar Rikalo" <aleksandar.rikalo@rt-rk.com>,
"Aurelien Jarno" <aurelien@aurel32.net>,
"Richard Henderson" <rth@twiddle.net>
Subject: Re: [PATCH v2 00/20] hw/i386/pc: Split PIIX3 southbridge from i440FX northbridge
Date: Sat, 26 Oct 2019 17:17:20 +0200 [thread overview]
Message-ID: <CAL1e-=g-pUMjDiEKvkPb_OFMB5f7iDJPDkS2=cJ43HTaP2zmxg@mail.gmail.com> (raw)
In-Reply-To: <bc8bf8fc-7140-8762-3061-0068ade6ef89@redhat.com>
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On Saturday, October 26, 2019, Philippe Mathieu-Daudé <philmd@redhat.com>
wrote:
> Hi Aleksandar,
>
> On 10/25/19 12:51 PM, Aleksandar Markovic wrote:
>
>> On Thursday, October 24, 2019, Aleksandar Markovic <
>> aleksandar.m.mail@gmail.com <mailto:aleksandar.m.mail@gmail.com>> wrote:
>>
>>
>>
>> On Friday, October 18, 2019, Philippe Mathieu-Daudé
>> <philmd@redhat.com <mailto:philmd@redhat.com>> wrote:
>>
>> Changes since v1 [0]:
>> - Removed patch reintroducing DO_UPCAST() use (thuth)
>> - Took various patches out to reduce series (thuth)
>> - Added review tags (thanks all for reviewing!)
>>
>>
>> Philippe,
>>
>> Do you intend to submit v3? The softfreeze is close.
>>
>> A.
>>
>>
>> Philippe,
>>
>> It looks you are very busy these days. Do you mind my integrating this
>> series in next Mips queue, in its present v2 state? (You can certainly do
>> further refinements later on.)
>>
>
> I addressed the review comments from this version, however it can not
> be merged yet ...
OK. Let's not rush. Let me know if I can help in any way.
A.
>
>
>> Aleksandar
>>
>> $ git backport-diff -u pc_split_i440fx_piix-v1 -r
>> mc146818rtc_init..
>> Key:
>> [----] : patches are identical
>> [####] : number of functional differences between
>> upstream/downstream patch
>> [down] : patch is downstream-only
>> The flags [FC] indicate (F)unctional and (C)ontextual
>> differences, respectively
>>
>> 001/20:[----] [--] 'MAINTAINERS: Keep PIIX4 South Bridge
>> separate from PC Chipsets'
>> 002/20:[0011] [FC] 'piix4: add Reset Control Register'
>> 003/20:[0014] [FC] 'piix4: add a i8259 interrupt controller as
>> specified in datasheet'
>> 004/20:[----] [--] 'Revert "irq: introduce qemu_irq_proxy()"'
>> 005/20:[----] [--] 'piix4: rename PIIX4 object to piix4-isa'
>> 006/20:[----] [-C] 'piix4: add a i8257 dma controller as
>> specified in datasheet'
>> 007/20:[----] [-C] 'piix4: add a i8254 pit controller as
>> specified in datasheet'
>> 008/20:[----] [-C] 'piix4: add a mc146818rtc controller as
>> specified in datasheet'
>> 009/20:[----] [--] 'hw/mips/mips_malta: Create IDE hard drive
>> array dynamically'
>> 010/20:[----] [--] 'hw/mips/mips_malta: Extract the PIIX4
>> creation code as piix4_create()'
>> 011/20:[----] [--] 'hw/isa/piix4: Move piix4_create() to
>> hw/isa/piix4.c'
>> 012/20:[----] [--] 'hw/i386: Remove obsolete
>> LoadStateHandler::load_state_old handlers'
>> 013/20:[----] [--] 'hw/pci-host/piix: Extract piix3_create()'
>> 014/20:[0010] [FC] 'hw/pci-host/piix: Move RCR_IOPORT register
>> definition'
>> 015/20:[----] [--] 'hw/pci-host/piix: Define and use the PIIX
>> IRQ Route Control Registers'
>> 016/20:[----] [--] 'hw/pci-host/piix: Move i440FX declarations
>> to hw/pci-host/i440fx.h'
>> 017/20:[----] [--] 'hw/pci-host/piix: Fix code style issues'
>> 018/20:[0012] [FC] 'hw/pci-host/piix: Extract PIIX3 functions to
>> hw/isa/piix3.c'
>> 019/20:[----] [--] 'hw/pci-host: Rename incorrectly named 'piix'
>> as 'i440fx''
>> 020/20:[----] [-C] 'hw/pci-host/i440fx: Remove the last PIIX3
>> traces'
>>
>> Previous cover:
>>
>> This series is a rework of "piix4: cleanup and improvements" [1]
>> from Hervé, and my "remove i386/pc dependency: PIIX cleanup" [2].
>>
>> Still trying to remove the strong X86/PC dependency 2 years later,
>> one step at a time.
>> Here we split the PIIX3 southbridge from i440FX northbridge.
>> The i440FX northbridge is only used by the PC machine, while the
>> PIIX southbridge is also used by the Malta MIPS machine.
>>
>> This is also a step forward using KConfig with the Malta board.
>> Without this split, it was impossible to compile the Malta without
>> pulling various X86 pieces of code.
>>
>> The overall design cleanup is not yet perfect, but enough to post
>> as a series.
>>
>> Now that the PIIX3 code is extracted, the code duplication with
>> the
>> PIIX4 chipset is obvious. Not worth improving for now because it
>> isn't broken.
>>
>> [0]
>> https://lists.gnu.org/archive/html/qemu-devel/2019-10/msg036
>> 85.html
>> <https://lists.gnu.org/archive/html/qemu-devel/2019-10/
>> msg03685.html>
>> [1]
>> https://www.mail-archive.com/qemu-devel@nongnu.org/msg500737.html
>> <https://www.mail-archive.com/qemu-devel@nongnu.org/msg500737.html>
>> [2]
>> https://www.mail-archive.com/qemu-devel@nongnu.org/msg504081.html
>> <https://www.mail-archive.com/qemu-devel@nongnu.org/msg504081.html>
>>
>> Based-on: <20191018133547.10936-1-philmd@redhat.com
>> <mailto:20191018133547.10936-1-philmd@redhat.com>>
>> mc146818rtc: Allow call object_initialize(MC146818_RTC) instead
>> of rtc_init()
>>
>
> ... because it depends on this series which has been queued by Paolo but
> is not yet merged.
>
> https://mid.mail-archive.com/20191018133547.10936-1-philmd@r
>> edhat.com
>> <https://mid.mail-archive.com/20191018133547.10936-1-philmd@
>> redhat.com>
>>
>> Hervé Poussineau (5):
>> piix4: Add the Reset Control Register
>> piix4: Add a i8259 Interrupt Controller as specified in
>> datasheet
>> piix4: Rename PIIX4 object to piix4-isa
>> piix4: Add a i8257 DMA Controller as specified in datasheet
>> piix4: Add a i8254 PIT Controller as specified in datasheet
>>
>> Philippe Mathieu-Daudé (15):
>> MAINTAINERS: Keep PIIX4 South Bridge separate from PC Chipsets
>> Revert "irq: introduce qemu_irq_proxy()"
>> piix4: Add a MC146818 RTC Controller as specified in datasheet
>> hw/mips/mips_malta: Create IDE hard drive array dynamically
>> hw/mips/mips_malta: Extract the PIIX4 creation code as
>> piix4_create()
>> hw/isa/piix4: Move piix4_create() to hw/isa/piix4.c
>> hw/i386: Remove obsolete LoadStateHandler::load_state_old
>> handlers
>> hw/pci-host/piix: Extract piix3_create()
>> hw/pci-host/piix: Move RCR_IOPORT register definition
>> hw/pci-host/piix: Define and use the PIIX IRQ Route Control
>> Registers
>> hw/pci-host/piix: Move i440FX declarations to
>> hw/pci-host/i440fx.h
>> hw/pci-host/piix: Fix code style issues
>> hw/pci-host/piix: Extract PIIX3 functions to hw/isa/piix3.c
>> hw/pci-host: Rename incorrectly named 'piix' as 'i440fx'
>> hw/pci-host/i440fx: Remove the last PIIX3 traces
>>
>> MAINTAINERS | 14 +-
>> hw/acpi/pcihp.c | 2 +-
>> hw/acpi/piix4.c | 42 +--
>> hw/core/irq.c | 14 -
>> hw/i386/Kconfig | 3 +-
>> hw/i386/acpi-build.c | 5 +-
>> hw/i386/pc_piix.c | 10 +-
>> hw/i386/xen/xen-hvm.c | 5 +-
>> hw/intc/apic_common.c | 49 ----
>> hw/isa/Kconfig | 4 +
>> hw/isa/Makefile.objs | 1 +
>> hw/isa/piix3.c | 399
>> +++++++++++++++++++++++++++++
>> hw/isa/piix4.c | 151 ++++++++++-
>> hw/mips/gt64xxx_pci.c | 5 +-
>> hw/mips/mips_malta.c | 46 +---
>> hw/pci-host/Kconfig | 3 +-
>> hw/pci-host/Makefile.objs | 2 +-
>> hw/pci-host/{piix.c => i440fx.c} | 424
>> +------------------------------
>> hw/timer/i8254_common.c | 40 ---
>> include/hw/acpi/piix4.h | 6 -
>> include/hw/i386/pc.h | 37 ---
>> include/hw/irq.h | 5 -
>> include/hw/isa/isa.h | 2 +
>> include/hw/pci-host/i440fx.h | 36 +++
>> include/hw/southbridge/piix.h | 74 ++++++
>> stubs/pci-host-piix.c | 3 +-
>> 26 files changed, 699 insertions(+), 683 deletions(-)
>> create mode 100644 hw/isa/piix3.c
>> rename hw/pci-host/{piix.c => i440fx.c} (58%)
>> delete mode 100644 include/hw/acpi/piix4.h
>> create mode 100644 include/hw/pci-host/i440fx.h
>> create mode 100644 include/hw/southbridge/piix.h
>>
>> -- 2.21.0
>>
>>
>>
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prev parent reply other threads:[~2019-10-26 15:19 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-18 13:47 [PATCH v2 00/20] hw/i386/pc: Split PIIX3 southbridge from i440FX northbridge Philippe Mathieu-Daudé
2019-10-18 13:47 ` [PATCH v2 01/20] MAINTAINERS: Keep PIIX4 South Bridge separate from PC Chipsets Philippe Mathieu-Daudé
2019-10-21 0:54 ` Li Qiang
2019-10-18 13:47 ` [PATCH v2 02/20] piix4: Add the Reset Control Register Philippe Mathieu-Daudé
2019-10-21 1:25 ` Li Qiang
2019-10-21 8:37 ` Philippe Mathieu-Daudé
2019-10-18 13:47 ` [PATCH v2 03/20] piix4: Add a i8259 Interrupt Controller as specified in datasheet Philippe Mathieu-Daudé
2019-10-21 14:59 ` Li Qiang
2019-10-26 14:29 ` Philippe Mathieu-Daudé
2019-10-22 8:44 ` Esteban Bosse
2019-10-22 9:35 ` Philippe Mathieu-Daudé
2019-10-23 18:53 ` Esteban Bosse
2019-10-22 8:48 ` Esteban Bosse
2019-10-22 9:24 ` Philippe Mathieu-Daudé
2019-10-22 9:42 ` Peter Maydell
2019-10-23 18:52 ` Esteban Bosse
2019-10-22 9:53 ` Aleksandar Markovic
2019-10-22 10:09 ` Philippe Mathieu-Daudé
2019-10-18 13:47 ` [PATCH v2 04/20] Revert "irq: introduce qemu_irq_proxy()" Philippe Mathieu-Daudé
2019-10-21 15:18 ` Li Qiang
2019-10-22 8:50 ` Esteban Bosse
2019-10-18 13:47 ` [PATCH v2 05/20] piix4: Rename PIIX4 object to piix4-isa Philippe Mathieu-Daudé
2019-10-21 15:19 ` Li Qiang
2019-10-22 8:57 ` Esteban Bosse
2019-10-18 13:47 ` [PATCH v2 06/20] piix4: Add a i8257 DMA Controller as specified in datasheet Philippe Mathieu-Daudé
2019-10-21 15:25 ` Li Qiang
2019-10-21 15:56 ` Philippe Mathieu-Daudé
2019-10-22 9:01 ` Esteban Bosse
2019-10-18 13:47 ` [PATCH v2 07/20] piix4: Add a i8254 PIT " Philippe Mathieu-Daudé
2019-10-18 13:47 ` [PATCH v2 08/20] piix4: Add a MC146818 RTC " Philippe Mathieu-Daudé
2019-10-18 13:47 ` [PATCH v2 09/20] hw/mips/mips_malta: Create IDE hard drive array dynamically Philippe Mathieu-Daudé
2019-10-21 15:28 ` Li Qiang
2019-10-18 13:47 ` [PATCH v2 10/20] hw/mips/mips_malta: Extract the PIIX4 creation code as piix4_create() Philippe Mathieu-Daudé
2019-10-18 13:47 ` [PATCH v2 11/20] hw/isa/piix4: Move piix4_create() to hw/isa/piix4.c Philippe Mathieu-Daudé
2019-10-18 13:47 ` [PATCH v2 12/20] hw/i386: Remove obsolete LoadStateHandler::load_state_old handlers Philippe Mathieu-Daudé
2019-10-18 13:47 ` [PATCH v2 13/20] hw/pci-host/piix: Extract piix3_create() Philippe Mathieu-Daudé
2019-10-22 9:33 ` Esteban Bosse
2019-10-18 13:47 ` [PATCH v2 14/20] hw/pci-host/piix: Move RCR_IOPORT register definition Philippe Mathieu-Daudé
2019-10-18 13:47 ` [PATCH v2 15/20] hw/pci-host/piix: Define and use the PIIX IRQ Route Control Registers Philippe Mathieu-Daudé
2019-10-18 13:47 ` [PATCH v2 16/20] hw/pci-host/piix: Move i440FX declarations to hw/pci-host/i440fx.h Philippe Mathieu-Daudé
2019-10-18 13:47 ` [PATCH v2 17/20] hw/pci-host/piix: Fix code style issues Philippe Mathieu-Daudé
2019-10-22 9:39 ` Esteban Bosse
2019-10-18 13:47 ` [PATCH v2 18/20] hw/pci-host/piix: Extract PIIX3 functions to hw/isa/piix3.c Philippe Mathieu-Daudé
2019-10-18 13:47 ` [PATCH v2 19/20] hw/pci-host: Rename incorrectly named 'piix' as 'i440fx' Philippe Mathieu-Daudé
2019-10-18 13:47 ` [PATCH v2 20/20] hw/pci-host/i440fx: Remove the last PIIX3 traces Philippe Mathieu-Daudé
2019-10-18 17:04 ` Aleksandar Markovic
2019-10-19 15:22 ` Philippe Mathieu-Daudé
2019-10-19 10:50 ` [PATCH v2 00/20] hw/i386/pc: Split PIIX3 southbridge from i440FX northbridge no-reply
2019-10-19 15:15 ` Aleksandar Markovic
2019-10-24 19:55 ` Aleksandar Markovic
2019-10-25 10:51 ` Aleksandar Markovic
2019-10-26 14:39 ` Philippe Mathieu-Daudé
2019-10-26 15:17 ` Aleksandar Markovic [this message]
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