Re: [PATCH 15/17] hw/arm/pxa2xx_pic: Use LOG_GUEST_ERROR for bad guest register accesses

[Philippe Mathieu-Daudé]

On 6/28/20 4:24 PM, Peter Maydell wrote:
> Instead of using printf() for logging guest accesses to invalid
> register offsets in the pxa2xx PIC device, use the usual
> qemu_log_mask(LOG_GUEST_ERROR,...).
> 
> This was the only user of the REG_FMT macro in pxa.h, so we can
> remove that.
> 
> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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

> ---
>  include/hw/arm/pxa.h | 1 -
>  hw/arm/pxa2xx_pic.c  | 9 +++++++--
>  2 files changed, 7 insertions(+), 3 deletions(-)
> 
> diff --git a/include/hw/arm/pxa.h b/include/hw/arm/pxa.h
> index f6dfb5c0cf0..8843e5f9107 100644
> --- a/include/hw/arm/pxa.h
> +++ b/include/hw/arm/pxa.h
> @@ -184,7 +184,6 @@ struct PXA2xxI2SState {
>  };
>  
>  # define PA_FMT                      "0x%08lx"
> -# define REG_FMT             "0x" TARGET_FMT_plx
>  
>  PXA2xxState *pxa270_init(MemoryRegion *address_space, unsigned int 
> sdram_size,
>                           const char *revision);
> diff --git a/hw/arm/pxa2xx_pic.c b/hw/arm/pxa2xx_pic.c
> index 105c5e63f2f..ceee6aa48db 100644
> --- a/hw/arm/pxa2xx_pic.c
> +++ b/hw/arm/pxa2xx_pic.c
> @@ -11,6 +11,7 @@
>  #include "qemu/osdep.h"
>  #include "qapi/error.h"
>  #include "qemu/module.h"
> +#include "qemu/log.h"
>  #include "cpu.h"
>  #include "hw/arm/pxa.h"
>  #include "hw/sysbus.h"
> @@ -166,7 +167,9 @@ static uint64_t pxa2xx_pic_mem_read(void *opaque, hwaddr 
> offset,
>      case ICHP:       /* Highest Priority register */
>          return pxa2xx_pic_highest(s);
>      default:
> -        printf("%s: Bad register offset " REG_FMT "\n", __func__, offset);
> +        qemu_log_mask(LOG_GUEST_ERROR,
> +                      "pxa2xx_pic_mem_read: bad register offset 0x%" 
> HWADDR_PRIx
> +                      "\n", offset);
>          return 0;
>      }
>  }
> @@ -199,7 +202,9 @@ static void pxa2xx_pic_mem_write(void *opaque, hwaddr 
> offset,
>          s->priority[32 + ((offset - IPR32) >> 2)] = value & 0x8000003f;
>          break;
>      default:
> -        printf("%s: Bad register offset " REG_FMT "\n", __func__, offset);
> +        qemu_log_mask(LOG_GUEST_ERROR,
> +                      "pxa2xx_pic_mem_write: bad register offset 0x%"
> +                      HWADDR_PRIx "\n", offset);
>          return;
>      }
>      pxa2xx_pic_update(opaque);
>