Re: [PATCH v2 04/14] hw: Move M48T59 device from hw/timer/ to hw/rtc/ subdirectory

[Laurent Vivier]

Le 04/10/2019 à 01:03, Philippe Mathieu-Daudé a écrit :
> The M48T59 is a Real Time Clock, not a timer.
> Move it under the hw/rtc/ subdirectory.
> 
> Reviewed-by: Alistair Francis <address@hidden>
> Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
> ---
> v2: delete include/hw/timer/m48t59.h (dgibson)
> ---
>  MAINTAINERS                         |  4 +-
>  hw/ppc/ppc405_boards.c              |  2 +-
>  hw/ppc/prep.c                       |  2 +-
>  hw/rtc/Kconfig                      |  3 ++
>  hw/rtc/Makefile.objs                |  4 ++
>  hw/{timer => rtc}/m48t59-internal.h |  0
>  hw/{timer => rtc}/m48t59-isa.c      |  4 +-
>  hw/{timer => rtc}/m48t59.c          |  2 +-
>  hw/sparc/sun4m.c                    |  2 +-
>  hw/sparc64/sun4u.c                  |  2 +-
>  hw/timer/Kconfig                    |  3 --
>  hw/timer/Makefile.objs              |  4 --
>  include/hw/rtc/m48t59.h             | 57 +++++++++++++++++++++++++++++
>  include/hw/timer/m48t59.h           | 32 ----------------
>  14 files changed, 73 insertions(+), 48 deletions(-)
>  rename hw/{timer => rtc}/m48t59-internal.h (100%)
>  rename hw/{timer => rtc}/m48t59-isa.c (98%)
>  rename hw/{timer => rtc}/m48t59.c (99%)
>  create mode 100644 include/hw/rtc/m48t59.h
>  delete mode 100644 include/hw/timer/m48t59.h
> 
> diff --git a/MAINTAINERS b/MAINTAINERS
> index e3255cdbf2..5d85424a33 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -1064,9 +1064,9 @@ F: hw/pci-host/prep.[hc]
>  F: hw/isa/i82378.c
>  F: hw/isa/pc87312.c
>  F: hw/dma/i82374.c
> -F: hw/timer/m48t59-isa.c
> +F: hw/rtc/m48t59-isa.c
>  F: include/hw/isa/pc87312.h
> -F: include/hw/timer/m48t59.h
> +F: include/hw/rtc/m48t59.h
>  F: pc-bios/ppc_rom.bin
>  
>  sPAPR
> diff --git a/hw/ppc/ppc405_boards.c b/hw/ppc/ppc405_boards.c
> index 388cae0b43..1f721feed6 100644
> --- a/hw/ppc/ppc405_boards.c
> +++ b/hw/ppc/ppc405_boards.c
> @@ -29,7 +29,7 @@
>  #include "cpu.h"
>  #include "hw/ppc/ppc.h"
>  #include "ppc405.h"
> -#include "hw/timer/m48t59.h"
> +#include "hw/rtc/m48t59.h"
>  #include "hw/block/flash.h"
>  #include "sysemu/sysemu.h"
>  #include "sysemu/qtest.h"
> diff --git a/hw/ppc/prep.c b/hw/ppc/prep.c
> index 3a51536e1a..862345c2ac 100644
> --- a/hw/ppc/prep.c
> +++ b/hw/ppc/prep.c
> @@ -25,7 +25,7 @@
>  
>  #include "qemu/osdep.h"
>  #include "cpu.h"
> -#include "hw/timer/m48t59.h"
> +#include "hw/rtc/m48t59.h"
>  #include "hw/char/serial.h"
>  #include "hw/block/fdc.h"
>  #include "net/net.h"
> diff --git a/hw/rtc/Kconfig b/hw/rtc/Kconfig
> index 7ffd702268..159c233517 100644
> --- a/hw/rtc/Kconfig
> +++ b/hw/rtc/Kconfig
> @@ -1,3 +1,6 @@
> +config M48T59
> +    bool
> +
>  config PL031
>      bool
>  
> diff --git a/hw/rtc/Makefile.objs b/hw/rtc/Makefile.objs
> index 3cac0d5a63..c87f81405e 100644
> --- a/hw/rtc/Makefile.objs
> +++ b/hw/rtc/Makefile.objs
> @@ -1,2 +1,6 @@
> +common-obj-$(CONFIG_M48T59) += m48t59.o
> +ifeq ($(CONFIG_ISA_BUS),y)
> +common-obj-$(CONFIG_M48T59) += m48t59-isa.o
> +endif
>  common-obj-$(CONFIG_PL031) += pl031.o
>  obj-$(CONFIG_MC146818RTC) += mc146818rtc.o
> diff --git a/hw/timer/m48t59-internal.h b/hw/rtc/m48t59-internal.h
> similarity index 100%
> rename from hw/timer/m48t59-internal.h
> rename to hw/rtc/m48t59-internal.h
> diff --git a/hw/timer/m48t59-isa.c b/hw/rtc/m48t59-isa.c
> similarity index 98%
> rename from hw/timer/m48t59-isa.c
> rename to hw/rtc/m48t59-isa.c
> index 5e5432abfd..7fde854c0f 100644
> --- a/hw/timer/m48t59-isa.c
> +++ b/hw/rtc/m48t59-isa.c
> @@ -1,5 +1,5 @@
>  /*
> - * QEMU M48T59 and M48T08 NVRAM emulation (ISA bus interface
> + * QEMU M48T59 and M48T08 NVRAM emulation (ISA bus interface)
>   *
>   * Copyright (c) 2003-2005, 2007 Jocelyn Mayer
>   * Copyright (c) 2013 Hervé Poussineau
> @@ -26,7 +26,7 @@
>  #include "qemu/osdep.h"
>  #include "hw/isa/isa.h"
>  #include "hw/qdev-properties.h"
> -#include "hw/timer/m48t59.h"
> +#include "hw/rtc/m48t59.h"
>  #include "m48t59-internal.h"
>  #include "qemu/module.h"
>  
> diff --git a/hw/timer/m48t59.c b/hw/rtc/m48t59.c
> similarity index 99%
> rename from hw/timer/m48t59.c
> rename to hw/rtc/m48t59.c
> index a9fc2f981a..fc592b9fb1 100644
> --- a/hw/timer/m48t59.c
> +++ b/hw/rtc/m48t59.c
> @@ -27,7 +27,7 @@
>  #include "qemu-common.h"
>  #include "hw/irq.h"
>  #include "hw/qdev-properties.h"
> -#include "hw/timer/m48t59.h"
> +#include "hw/rtc/m48t59.h"
>  #include "qemu/timer.h"
>  #include "sysemu/runstate.h"
>  #include "sysemu/sysemu.h"
> diff --git a/hw/sparc/sun4m.c b/hw/sparc/sun4m.c
> index 6c5a17a020..2aaa5bf1ae 100644
> --- a/hw/sparc/sun4m.c
> +++ b/hw/sparc/sun4m.c
> @@ -31,7 +31,7 @@
>  #include "qemu/error-report.h"
>  #include "qemu/timer.h"
>  #include "hw/sparc/sun4m_iommu.h"
> -#include "hw/timer/m48t59.h"
> +#include "hw/rtc/m48t59.h"
>  #include "migration/vmstate.h"
>  #include "hw/sparc/sparc32_dma.h"
>  #include "hw/block/fdc.h"
> diff --git a/hw/sparc64/sun4u.c b/hw/sparc64/sun4u.c
> index 1ded2a4c9a..955082773b 100644
> --- a/hw/sparc64/sun4u.c
> +++ b/hw/sparc64/sun4u.c
> @@ -36,7 +36,7 @@
>  #include "hw/pci-host/sabre.h"
>  #include "hw/char/serial.h"
>  #include "hw/char/parallel.h"
> -#include "hw/timer/m48t59.h"
> +#include "hw/rtc/m48t59.h"
>  #include "migration/vmstate.h"
>  #include "hw/input/i8042.h"
>  #include "hw/block/fdc.h"
> diff --git a/hw/timer/Kconfig b/hw/timer/Kconfig
> index af415c8ef8..a57e9b59fc 100644
> --- a/hw/timer/Kconfig
> +++ b/hw/timer/Kconfig
> @@ -24,9 +24,6 @@ config M41T80
>      bool
>      depends on I2C
>  
> -config M48T59
> -    bool
> -
>  config TWL92230
>      bool
>      depends on I2C
> diff --git a/hw/timer/Makefile.objs b/hw/timer/Makefile.objs
> index b0159189cf..fe2d1fbc40 100644
> --- a/hw/timer/Makefile.objs
> +++ b/hw/timer/Makefile.objs
> @@ -7,10 +7,6 @@ common-obj-$(CONFIG_DS1338) += ds1338.o
>  common-obj-$(CONFIG_HPET) += hpet.o
>  common-obj-$(CONFIG_I8254) += i8254_common.o i8254.o
>  common-obj-$(CONFIG_M41T80) += m41t80.o
> -common-obj-$(CONFIG_M48T59) += m48t59.o
> -ifeq ($(CONFIG_ISA_BUS),y)
> -common-obj-$(CONFIG_M48T59) += m48t59-isa.o
> -endif
>  common-obj-$(CONFIG_PUV3) += puv3_ost.o
>  common-obj-$(CONFIG_TWL92230) += twl92230.o
>  common-obj-$(CONFIG_XILINX) += xilinx_timer.o
> diff --git a/include/hw/rtc/m48t59.h b/include/hw/rtc/m48t59.h
> new file mode 100644
> index 0000000000..e7ea4e8761
> --- /dev/null
> +++ b/include/hw/rtc/m48t59.h
> @@ -0,0 +1,57 @@
> +/*
> + * QEMU M48T59 and M48T08 NVRAM emulation
> + *
> + * Copyright (c) 2003-2005, 2007 Jocelyn Mayer
> + * Copyright (c) 2013 Hervé Poussineau
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining a 
> copy
> + * of this software and associated documentation files (the "Software"), to 
> deal
> + * in the Software without restriction, including without limitation the 
> rights
> + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
> + * copies of the Software, and to permit persons to whom the Software is
> + * furnished to do so, subject to the following conditions:
> + *
> + * The above copyright notice and this permission notice shall be included in
> + * all copies or substantial portions of the Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
> + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
> FROM,
> + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
> + * THE SOFTWARE.
> + */
> +
> +#ifndef HW_RTC_M48T59_H
> +#define HW_RTC_M48T59_H
> +
> +#include "exec/hwaddr.h"
> +#include "qom/object.h"
> +
> +#define TYPE_NVRAM "nvram"
> +
> +#define NVRAM_CLASS(klass) \
> +    OBJECT_CLASS_CHECK(NvramClass, (klass), TYPE_NVRAM)
> +#define NVRAM_GET_CLASS(obj) \
> +    OBJECT_GET_CLASS(NvramClass, (obj), TYPE_NVRAM)
> +#define NVRAM(obj) \
> +    INTERFACE_CHECK(Nvram, (obj), TYPE_NVRAM)
> +
> +typedef struct Nvram Nvram;
> +
> +typedef struct NvramClass {
> +    InterfaceClass parent;
> +
> +    uint32_t (*read)(Nvram *obj, uint32_t addr);
> +    void (*write)(Nvram *obj, uint32_t addr, uint32_t val);
> +    void (*toggle_lock)(Nvram *obj, int lock);
> +} NvramClass;
> +
> +Nvram *m48t59_init_isa(ISABus *bus, uint32_t io_base, uint16_t size,
> +                       int base_year, int type);
> +Nvram *m48t59_init(qemu_irq IRQ, hwaddr mem_base,
> +                   uint32_t io_base, uint16_t size, int base_year,
> +                   int type);
> +
> +#endif /* HW_M48T59_H */
> diff --git a/include/hw/timer/m48t59.h b/include/hw/timer/m48t59.h
> deleted file mode 100644
> index f74854c026..0000000000
> --- a/include/hw/timer/m48t59.h
> +++ /dev/null
> @@ -1,32 +0,0 @@
> -#ifndef HW_M48T59_H
> -#define HW_M48T59_H
> -
> -#include "exec/hwaddr.h"
> -#include "qom/object.h"
> -
> -#define TYPE_NVRAM "nvram"
> -
> -#define NVRAM_CLASS(klass) \
> -    OBJECT_CLASS_CHECK(NvramClass, (klass), TYPE_NVRAM)
> -#define NVRAM_GET_CLASS(obj) \
> -    OBJECT_GET_CLASS(NvramClass, (obj), TYPE_NVRAM)
> -#define NVRAM(obj) \
> -    INTERFACE_CHECK(Nvram, (obj), TYPE_NVRAM)
> -
> -typedef struct Nvram Nvram;
> -
> -typedef struct NvramClass {
> -    InterfaceClass parent;
> -
> -    uint32_t (*read)(Nvram *obj, uint32_t addr);
> -    void (*write)(Nvram *obj, uint32_t addr, uint32_t val);
> -    void (*toggle_lock)(Nvram *obj, int lock);
> -} NvramClass;
> -
> -Nvram *m48t59_init_isa(ISABus *bus, uint32_t io_base, uint16_t size,
> -                       int base_year, int type);
> -Nvram *m48t59_init(qemu_irq IRQ, hwaddr mem_base,
> -                   uint32_t io_base, uint16_t size, int base_year,
> -                   int type);
> -
> -#endif /* HW_M48T59_H */
> 

Applied to my trivial-patches branch.

Thanks,
Laurent