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Re: [PATCH 13/17] hw/gpio/zaurus.c: Use LOG_GUEST_ERROR for bad guest re


From: Philippe Mathieu-Daudé
Subject: Re: [PATCH 13/17] hw/gpio/zaurus.c: Use LOG_GUEST_ERROR for bad guest register accesses
Date: Mon, 29 Jun 2020 11:13:22 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0

On 6/28/20 4:24 PM, Peter Maydell wrote:
> Instead of logging guest accesses to invalid register offsets in this
> device using zaurus_printf() (which just prints to stderr), use the
> usual qemu_log_mask(LOG_GUEST_ERROR,...).
> 
> Since this was the only use of the zaurus_printf() macro outside
> spitz.c, we can move the definition of that macro from sharpsl.h
> to spitz.c.
> 
> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>

> ---
>  include/hw/arm/sharpsl.h |  3 ---
>  hw/arm/spitz.c           |  3 +++
>  hw/gpio/zaurus.c         | 12 +++++++-----
>  3 files changed, 10 insertions(+), 8 deletions(-)
> 
> diff --git a/include/hw/arm/sharpsl.h b/include/hw/arm/sharpsl.h
> index 89e168fbff3..e986b28c527 100644
> --- a/include/hw/arm/sharpsl.h
> +++ b/include/hw/arm/sharpsl.h
> @@ -9,9 +9,6 @@
>  
>  #include "exec/hwaddr.h"
>  
> -#define zaurus_printf(format, ...)   \
> -    fprintf(stderr, "%s: " format, __func__, ##__VA_ARGS__)
> -
>  /* zaurus.c */
>  
>  #define SL_PXA_PARAM_BASE    0xa0000a00
> diff --git a/hw/arm/spitz.c b/hw/arm/spitz.c
> index bab9968ccee..6eb46869157 100644
> --- a/hw/arm/spitz.c
> +++ b/hw/arm/spitz.c
> @@ -62,6 +62,9 @@ typedef struct {
>  #define SPITZ_MACHINE_CLASS(klass) \
>      OBJECT_CLASS_CHECK(SpitzMachineClass, klass, TYPE_SPITZ_MACHINE)
>  
> +#define zaurus_printf(format, ...)                              \
> +    fprintf(stderr, "%s: " format, __func__, ##__VA_ARGS__)
> +
>  #undef REG_FMT
>  #define REG_FMT                         "0x%02lx"
>  
> diff --git a/hw/gpio/zaurus.c b/hw/gpio/zaurus.c
> index 9a12c683420..258e9264930 100644
> --- a/hw/gpio/zaurus.c
> +++ b/hw/gpio/zaurus.c
> @@ -22,9 +22,7 @@
>  #include "hw/sysbus.h"
>  #include "migration/vmstate.h"
>  #include "qemu/module.h"
> -
> -#undef REG_FMT
> -#define REG_FMT                      "0x%02lx"
> +#include "qemu/log.h"
>  
>  /* SCOOP devices */
>  
> @@ -104,7 +102,9 @@ static uint64_t scoop_read(void *opaque, hwaddr addr,
>      case SCOOP_GPRR:
>          return s->gpio_level;
>      default:
> -        zaurus_printf("Bad register offset " REG_FMT "\n", (unsigned 
> long)addr);
> +        qemu_log_mask(LOG_GUEST_ERROR,
> +                      "scoop_read: bad register offset 0x%02" HWADDR_PRIx 
> "\n",
> +                      addr);
>      }
>  
>      return 0;
> @@ -150,7 +150,9 @@ static void scoop_write(void *opaque, hwaddr addr,
>          scoop_gpio_handler_update(s);
>          break;
>      default:
> -        zaurus_printf("Bad register offset " REG_FMT "\n", (unsigned 
> long)addr);
> +        qemu_log_mask(LOG_GUEST_ERROR,
> +                      "scoop_write: bad register offset 0x%02" HWADDR_PRIx 
> "\n",
> +                      addr);
>      }
>  }
>  
> 




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