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Re: [PATCH 14/17] hw/arm/spitz: Use LOG_GUEST_ERROR for bad guest regist


From: Alistair Francis
Subject: Re: [PATCH 14/17] hw/arm/spitz: Use LOG_GUEST_ERROR for bad guest register accesses
Date: Tue, 30 Jun 2020 17:52:23 -0700

On Sun, Jun 28, 2020 at 7:33 AM Peter Maydell <peter.maydell@linaro.org> wrote:
>
> Instead of logging guest accesses to invalid register offsets in the
> Spitz flash device with zaurus_printf() (which just prints to stderr),
> use the usual qemu_log_mask(LOG_GUEST_ERROR,...).
>
> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>

Alistair

> ---
>  hw/arm/spitz.c | 12 +++++++-----
>  1 file changed, 7 insertions(+), 5 deletions(-)
>
> diff --git a/hw/arm/spitz.c b/hw/arm/spitz.c
> index 6eb46869157..49eae3fce4e 100644
> --- a/hw/arm/spitz.c
> +++ b/hw/arm/spitz.c
> @@ -23,6 +23,7 @@
>  #include "hw/ssi/ssi.h"
>  #include "hw/block/flash.h"
>  #include "qemu/timer.h"
> +#include "qemu/log.h"
>  #include "hw/arm/sharpsl.h"
>  #include "ui/console.h"
>  #include "hw/audio/wm8750.h"
> @@ -65,9 +66,6 @@ typedef struct {
>  #define zaurus_printf(format, ...)                              \
>      fprintf(stderr, "%s: " format, __func__, ##__VA_ARGS__)
>
> -#undef REG_FMT
> -#define REG_FMT                         "0x%02lx"
> -
>  /* Spitz Flash */
>  #define FLASH_BASE              0x0c000000
>  #define FLASH_ECCLPLB           0x00    /* Line parity 7 - 0 bit */
> @@ -137,7 +135,9 @@ static uint64_t sl_read(void *opaque, hwaddr addr, 
> unsigned size)
>          return ecc_digest(&s->ecc, nand_getio(s->nand));
>
>      default:
> -        zaurus_printf("Bad register offset " REG_FMT "\n", (unsigned 
> long)addr);
> +        qemu_log_mask(LOG_GUEST_ERROR,
> +                      "sl_read: bad register offset 0x%02" HWADDR_PRIx "\n",
> +                      addr);
>      }
>      return 0;
>  }
> @@ -168,7 +168,9 @@ static void sl_write(void *opaque, hwaddr addr,
>          break;
>
>      default:
> -        zaurus_printf("Bad register offset " REG_FMT "\n", (unsigned 
> long)addr);
> +        qemu_log_mask(LOG_GUEST_ERROR,
> +                      "sl_write: bad register offset 0x%02" HWADDR_PRIx "\n",
> +                      addr);
>      }
>  }
>
> --
> 2.20.1
>
>



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