Re: [Qemu-devel] [PATCH for-3.1 2/2] hw/block/onenand: use qemu_log_mask() for reporting

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

On 15/11/18 15:35, Peter Maydell wrote:
> Update the onenand device to use qemu_log_mask() for reporting
> guest errors and unimplemented features, rather than plain
> fprintf() and hw_error().
> 
> (We leave the hw_error() in onenand_reset(), as that is
> triggered by a failure to read the underlying block device
> for the bootRAM, not by guest action.)
> 
> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>

> ---
>   hw/block/onenand.c | 22 +++++++++++++---------
>   1 file changed, 13 insertions(+), 9 deletions(-)
> 
> diff --git a/hw/block/onenand.c b/hw/block/onenand.c
> index 49ef68c9b14..2b48609776d 100644
> --- a/hw/block/onenand.c
> +++ b/hw/block/onenand.c
> @@ -28,6 +28,7 @@
>   #include "exec/memory.h"
>   #include "hw/sysbus.h"
>   #include "qemu/error-report.h"
> +#include "qemu/log.h"
>   
>   /* 11 for 2kB-page OneNAND ("2nd generation") and 10 for 1kB-page chips */
>   #define PAGE_SHIFT	11
> @@ -594,8 +595,8 @@ static void onenand_command(OneNANDState *s)
>       default:
>           s->status |= ONEN_ERR_CMD;
>           s->intstatus |= ONEN_INT;
> -        fprintf(stderr, "%s: unknown OneNAND command %x\n",
> -                        __func__, s->command);
> +        qemu_log_mask(LOG_GUEST_ERROR, "unknown OneNAND command %x\n",
> +                      s->command);
>       }
>   
>       onenand_intr_update(s);
> @@ -657,12 +658,13 @@ static uint64_t onenand_read(void *opaque, hwaddr addr,
>       case 0xff02:	/* ECC Result of spare area data */
>       case 0xff03:	/* ECC Result of main area data */
>       case 0xff04:	/* ECC Result of spare area data */
> -        hw_error("%s: implement ECC\n", __func__);
> +        qemu_log_mask(LOG_UNIMP,
> +                      "onenand: ECC result registers unimplemented\n");
>           return 0x0000;
>       }
>   
> -    fprintf(stderr, "%s: unknown OneNAND register %x\n",
> -                    __func__, offset);
> +    qemu_log_mask(LOG_GUEST_ERROR, "read of unknown OneNAND register 0x%x\n",
> +                  offset);
>       return 0;
>   }
>   
> @@ -706,8 +708,9 @@ static void onenand_write(void *opaque, hwaddr addr,
>               break;
>   
>           default:
> -            fprintf(stderr, "%s: unknown OneNAND boot command %"PRIx64"\n",
> -                            __func__, value);
> +            qemu_log_mask(LOG_GUEST_ERROR,
> +                          "unknown OneNAND boot command %" PRIx64 "\n",
> +                          value);
>           }
>           break;
>   
> @@ -757,8 +760,9 @@ static void onenand_write(void *opaque, hwaddr addr,
>           break;
>   
>       default:
> -        fprintf(stderr, "%s: unknown OneNAND register %x\n",
> -                        __func__, offset);
> +        qemu_log_mask(LOG_GUEST_ERROR,
> +                      "write to unknown OneNAND register 0x%x\n",
> +                      offset);
>       }
>   }
>   
>