Re: [Qemu-devel] [PATCH v3 08/46] hw/char: Replace fprintf(stderr, "*\n" with error_report()

[Philippe Mathieu-Daudé]

On 10/19/2017 01:16 PM, Alistair Francis wrote:
> Replace a large number of the fprintf(stderr, "*\n" calls with
> error_report(). The functions were renamed with these commands and then
> compiler issues where manually fixed.
[...]
> ---
> V2:
>  - Split hw patch into individual directories
> 
>  hw/char/mcf_uart.c  | 5 +++--
>  hw/char/sh_serial.c | 9 +++++----
>  2 files changed, 8 insertions(+), 6 deletions(-)
> 
> diff --git a/hw/char/mcf_uart.c b/hw/char/mcf_uart.c
> index 56fa402b58..14cb051be9 100644
> --- a/hw/char/mcf_uart.c
> +++ b/hw/char/mcf_uart.c
> @@ -6,6 +6,7 @@
>   * This code is licensed under the GPL
>   */
>  #include "qemu/osdep.h"
> +#include "qemu/error-report.h"
>  #include "hw/hw.h"
>  #include "hw/sysbus.h"
>  #include "hw/m68k/mcf.h"
> @@ -174,7 +175,7 @@ static void mcf_do_command(mcf_uart_state *s, uint8_t cmd)
>          mcf_uart_do_tx(s);
>          break;
>      case 3: /* Reserved.  */
> -        fprintf(stderr, "mcf_uart: Bad TX command\n");
> +        error_report("mcf_uart: Bad TX command");

I'd rather use qemu_log_mask(LOG_GUEST_ERROR,...) here.

>          break;
>      }
>  
> @@ -189,7 +190,7 @@ static void mcf_do_command(mcf_uart_state *s, uint8_t cmd)
>          s->rx_enabled = 0;
>          break;
>      case 3: /* Reserved.  */
> -        fprintf(stderr, "mcf_uart: Bad RX command\n");
> +        error_report("mcf_uart: Bad RX command");

ditto

>          break;
>      }
>  }
> diff --git a/hw/char/sh_serial.c b/hw/char/sh_serial.c
> index 835b5378a0..7bb3f3c70b 100644
> --- a/hw/char/sh_serial.c
> +++ b/hw/char/sh_serial.c
> @@ -25,6 +25,7 @@
>   * THE SOFTWARE.
>   */
>  #include "qemu/osdep.h"
> +#include "qemu/error-report.h"
>  #include "hw/hw.h"
>  #include "hw/sh4/sh.h"
>  #include "chardev/char-fe.h"
> @@ -190,8 +191,8 @@ static void sh_serial_write(void *opaque, hwaddr offs,
>          }
>      }
>  
> -    fprintf(stderr, "sh_serial: unsupported write to 0x%02"
> -            HWADDR_PRIx "\n", offs);
> +    error_report("sh_serial: unsupported write to 0x%02"
> +                 HWADDR_PRIx "", offs);

and qemu_log_mask(LOG_UNIMP, ...) here

>      abort();
>  }
>  
> @@ -290,8 +291,8 @@ static uint64_t sh_serial_read(void *opaque, hwaddr offs,
>  #endif
>  
>      if (ret & ~((1 << 16) - 1)) {
> -        fprintf(stderr, "sh_serial: unsupported read from 0x%02"
> -                HWADDR_PRIx "\n", offs);
> +        error_report("sh_serial: unsupported read from 0x%02"
> +                     HWADDR_PRIx "", offs);

ditto

>          abort();
>      }
>  
>