Re: [Qemu-devel] [PATCH pic32 v2 5/5] Two new machine platforms: pic32mz7 and pic32mz.

[Antony Pavlov <antonynpavlov@gmail.com>]

On Sun, 5 Jul 2015 21:27:04 -0700
Serge Vakulenko <serge.vakulenko@gmail.com> wrote:

> On Wed, Jul 1, 2015 at 10:56 PM, Antony Pavlov <antonynpavlov@gmail.com> wrote:
> > On Tue, 30 Jun 2015 21:12:34 -0700
> > Serge Vakulenko <serge.vakulenko@gmail.com> wrote:
> >
> >> Signed-off-by: Serge Vakulenko <serge.vakulenko@gmail.com>
> >> ---
> >>  hw/mips/Makefile.objs       |    3 +
> >>  hw/mips/mips_pic32mx7.c     | 1652 +++++++++++++++++++++++++
> >>  hw/mips/mips_pic32mz.c      | 2840 +++++++++++++++++++++++++++++++++++++++++++
> >>  hw/mips/pic32_ethernet.c    |  557 +++++++++
> >>  hw/mips/pic32_gpio.c        |   39 +
> >>  hw/mips/pic32_load_hex.c    |  238 ++++
> >>  hw/mips/pic32_peripherals.h |  210 ++++
> >>  hw/mips/pic32_sdcard.c      |  428 +++++++
> >>  hw/mips/pic32_spi.c         |  121 ++
> >>  hw/mips/pic32_uart.c        |  228 ++++
> >>  hw/mips/pic32mx.h           | 1290 ++++++++++++++++++++
> >>  hw/mips/pic32mz.h           | 2093 +++++++++++++++++++++++++++++++
> >>  12 files changed, 9699 insertions(+)
> >>  create mode 100644 hw/mips/mips_pic32mx7.c
> >>  create mode 100644 hw/mips/mips_pic32mz.c
> >>  create mode 100644 hw/mips/pic32_ethernet.c
> >>  create mode 100644 hw/mips/pic32_gpio.c
> >>  create mode 100644 hw/mips/pic32_load_hex.c
> >>  create mode 100644 hw/mips/pic32_peripherals.h
> >>  create mode 100644 hw/mips/pic32_sdcard.c
> >>  create mode 100644 hw/mips/pic32_spi.c
> >>  create mode 100644 hw/mips/pic32_uart.c
> >>  create mode 100644 hw/mips/pic32mx.h
> >>  create mode 100644 hw/mips/pic32mz.h
> >>
> >> diff --git a/hw/mips/Makefile.objs b/hw/mips/Makefile.objs
> >> index 9633f3a..dcbaec9 100644
> >> --- a/hw/mips/Makefile.objs
> >> +++ b/hw/mips/Makefile.objs
> >> @@ -3,3 +3,6 @@ obj-y += addr.o cputimer.o mips_int.o
> >>  obj-$(CONFIG_JAZZ) += mips_jazz.o
> >>  obj-$(CONFIG_FULONG) += mips_fulong2e.o
> >>  obj-y += gt64xxx_pci.o
> >> +obj-y += mips_pic32mz.o mips_pic32mx7.o
> >> +obj-y += pic32_load_hex.o pic32_sdcard.o pic32_spi.o pic32_uart.o pic32_gpio.o
> >> +obj-y += pic32_ethernet.o
> >
> > Can we move mips-unrelated stuff to the appropriate dirs?
> > E.g. pic32_gpio.c can to go to hw/gpio.
> 
> All these files are pic32-related. They depend on pic32_t data
> structure declared in pic32_peripherals.h and register definitions in
> pic32mx.h and pic32mz.h. I see no point to move them around.

But why hw/gpio/pic32_gpio.c can't include pic32_peripherals.h?
You can see that mainline qemu.git/hw/mips/ does not contain any header file,
so just put your header files into the proper dir (I suppose qemu.git/include/hw/mips).


> > Also please use separate patch for every peripheral controller (see Aurelien's comment).
> 
> Agreed.
> 
> >> diff --git a/hw/mips/mips_pic32mx7.c b/hw/mips/mips_pic32mx7.c
> >> new file mode 100644
> >> index 0000000..1d8ffb5
> >> --- /dev/null
> >> +++ b/hw/mips/mips_pic32mx7.c
> >> @@ -0,0 +1,1652 @@
> >> +/*
> >> + * QEMU support for Microchip PIC32MX7 microcontroller.
> >> + *
> >> + * Copyright (c) 2015 Serge Vakulenko
> >> + *
> >> + * 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.
> >> + */
> >> +
> >> +/* Only 32-bit little endian mode supported. */
> >> +#include "config.h"
> >> +#if !defined TARGET_MIPS64 && !defined TARGET_WORDS_BIGENDIAN
> >
> > Please don't use C preprocessor directive for conditional compilation of the whole file.
> > Use Makefile instead. See CONFIG_FULONG for example (fulong2e is mips64le-only).
> 
> Makes sense.
> 
> Thanks,
> --Serge
> 
> > --
> > Best regards,
> >   Antony Pavlov


-- 
-- 
Best regards,
  Antony Pavlov