Re: [PATCH v37 13/17] target/avr: Register AVR support with the rest of QEMU

[Aleksandar Markovic]

On Wednesday, November 27, 2019, Michael Rolnik <address@hidden> wrote:
> Add AVR related definitions into QEMU
>
> Signed-off-by: Michael Rolnik <address@hidden>
> Tested-by: Philippe Mathieu-Daudé <address@hidden>
> Reviewed-by: Aleksandar Markovic <address@hidden>
> ---
>  qapi/machine.json          | 3 ++-
>  include/disas/dis-asm.h    | 6 ++++++
>  include/sysemu/arch_init.h | 1 +
>  arch_init.c                | 2 ++
>  tests/machine-none-test.c  | 1 +
>  5 files changed, 12 insertions(+), 1 deletion(-)
>
> diff --git a/qapi/machine.json b/qapi/machine.json
> index ca26779f1a..8c6df54921 100644
> --- a/qapi/machine.json
> +++ b/qapi/machine.json
> @@ -21,11 +21,12 @@
>  #        is true even for "qemu-system-x86_64".
>  #
>  # ppcemb: dropped in 3.1
> +# avr: since 5.0
>  #
>  # Since: 3.0
>  ##
>  { 'enum' : 'SysEmuTarget',
> -  'data' : [ 'aarch64', 'alpha', 'arm', 'cris', 'hppa', 'i386', 'lm32',
> +  'data' : [ 'aarch64', 'alpha', 'arm', 'avr', 'cris', 'hppa', 'i386', 'lm32',
>               'm68k', 'microblaze', 'microblazeel', 'mips', 'mips64',
>               'mips64el', 'mipsel', 'moxie', 'nios2', 'or1k', 'ppc',
>               'ppc64', 'riscv32', 'riscv64', 's390x', 'sh4',
> diff --git a/include/disas/dis-asm.h b/include/disas/dis-asm.h
> index e9c7dd8eb4..8bedce17ac 100644
> --- a/include/disas/dis-asm.h
> +++ b/include/disas/dis-asm.h
> @@ -211,6 +211,12 @@ enum bfd_architecture
>  #define bfd_mach_m32r          0  /* backwards compatibility */
>    bfd_arch_mn10200,    /* Matsushita MN10200 */
>    bfd_arch_mn10300,    /* Matsushita MN10300 */
> +  bfd_arch_avr,       /* Atmel AVR microcontrollers.  */
> +#define bfd_mach_avr1          1
> +#define bfd_mach_avr2          2
> +#define bfd_mach_avr3          3
> +#define bfd_mach_avr4          4
> +#define bfd_mach_avr5          5

Here you should cover all avr cores, as in:

https://github.com/CyberGrandChallenge/binutils/blob/master/bfd/archures.c

I don't think this segment is used at all for AVR in QEMU currently, but complete it just in case.

 

>    bfd_arch_cris,       /* Axis CRIS */
>  #define bfd_mach_cris_v0_v10   255
>  #define bfd_mach_cris_v32      32
> diff --git a/include/sysemu/arch_init.h b/include/sysemu/arch_init.h
> index 62c6fe4cf1..893df26ce2 100644
> --- a/include/sysemu/arch_init.h
> +++ b/include/sysemu/arch_init.h
> @@ -24,6 +24,7 @@ enum {
>      QEMU_ARCH_NIOS2 = (1 << 17),
>      QEMU_ARCH_HPPA = (1 << 18),
>      QEMU_ARCH_RISCV = (1 << 19),
> +    QEMU_ARCH_AVR = (1 << 20),
>  };
>
>  extern const uint32_t arch_type;
> diff --git a/arch_init.c b/arch_init.c
> index 705d0b94ad..6a741165b2 100644
> --- a/arch_init.c
> +++ b/arch_init.c
> @@ -89,6 +89,8 @@ int graphic_depth = 32;
>  #define QEMU_ARCH QEMU_ARCH_UNICORE32
>  #elif defined(TARGET_XTENSA)
>  #define QEMU_ARCH QEMU_ARCH_XTENSA
> +#elif defined(TARGET_AVR)
> +#define QEMU_ARCH QEMU_ARCH_AVR
>  #endif
>
>  const uint32_t arch_type = QEMU_ARCH;
> diff --git a/tests/machine-none-test.c b/tests/machine-none-test.c
> index 5953d31755..3e5c74e73e 100644
> --- a/tests/machine-none-test.c
> +++ b/tests/machine-none-test.c
> @@ -27,6 +27,7 @@ static struct arch2cpu cpus_map[] = {
>      /* tested targets list */
>      { "arm", "cortex-a15" },
>      { "aarch64", "cortex-a57" },
> +    { "avr", "avr6-avr-cpu" },
>      { "x86_64", "qemu64,apic-id=0" },
>      { "i386", "qemu32,apic-id=0" },
>      { "alpha", "ev67" },
> --

This single line should be a sepatare patch "target/avr: Add machine none test"

 

> 2.17.2 (Apple Git-113)