Re: [Qemu-devel] [PATCH v3 4/8] i.MX: Standardize i.MX AVIC debug

[Peter Crosthwaite]

On Sat, Oct 24, 2015 at 1:15 PM, Jean-Christophe Dubois
<address@hidden> wrote:
> The goal is to have debug code always compiled during build.
>
> We standardize all debug output on the following format:
>
> [QOM_TYPE_NAME]reporting_function: debug message
>
> We also replace IPRINTF with qemu_log_mask(). The qemu_log_mask() output
> is following the same format as the above debug.
>
> Signed-off-by: Jean-Christophe Dubois <address@hidden>

Reviewed-by: Peter Crosthwaite <address@hidden>

> ---
>
> Changes since v1:
>  * use HWADDR_PRIx for address formating
>  * standardize qemu_log_mask on same model.
>
> Changes since v2:
>  * None
>
>  hw/intc/imx_avic.c | 44 ++++++++++++++++++--------------------------
>  1 file changed, 18 insertions(+), 26 deletions(-)
>
> diff --git a/hw/intc/imx_avic.c b/hw/intc/imx_avic.c
> index 96c376b..e0535ff 100644
> --- a/hw/intc/imx_avic.c
> +++ b/hw/intc/imx_avic.c
> @@ -17,27 +17,17 @@
>
>  #include "hw/intc/imx_avic.h"
>
> -#define DEBUG_INT 1
> -#undef DEBUG_INT /* comment out for debugging */
> -
> -#ifdef DEBUG_INT
> -#define DPRINTF(fmt, args...) \
> -do { printf("%s: " fmt , TYPE_IMX_AVIC, ##args); } while (0)
> -#else
> -#define DPRINTF(fmt, args...) do {} while (0)
> +#ifndef DEBUG_IMX_AVIC
> +#define DEBUG_IMX_AVIC 0
>  #endif
>
> -/*
> - * Define to 1 for messages about attempts to
> - * access unimplemented registers or similar.
> - */
> -#define DEBUG_IMPLEMENTATION 1
> -#if DEBUG_IMPLEMENTATION
> -#  define IPRINTF(fmt, args...) \
> -    do  { fprintf(stderr, "%s: " fmt, TYPE_IMX_AVIC, ##args); } while (0)
> -#else
> -#  define IPRINTF(fmt, args...) do {} while (0)
> -#endif
> +#define DPRINTF(fmt, args...) \
> +    do { \
> +        if (DEBUG_IMX_AVIC) { \
> +            fprintf(stderr, "[%s]%s: " fmt , TYPE_IMX_AVIC, \
> +                                             __func__, ##args); \
> +        } \
> +    } while (0)
>
>  static const VMStateDescription vmstate_imx_avic = {
>      .name = TYPE_IMX_AVIC,
> @@ -115,8 +105,8 @@ static uint64_t imx_avic_read(void *opaque,
>  {
>      IMXAVICState *s = (IMXAVICState *)opaque;
>
> +    DPRINTF("read(offset = 0x%" HWADDR_PRIx ")\n", offset);
>
> -    DPRINTF("read(offset = 0x%x)\n", offset >> 2);
>      switch (offset >> 2) {
>      case 0: /* INTCNTL */
>          return s->intcntl;
> @@ -213,7 +203,8 @@ static uint64_t imx_avic_read(void *opaque,
>          return 0x4;
>
>      default:
> -        IPRINTF("%s: Bad offset 0x%x\n", __func__, (int)offset);
> +        qemu_log_mask(LOG_GUEST_ERROR, "[%s]%s: Bad register at offset 0x%"
> +                      HWADDR_PRIx "\n", TYPE_IMX_AVIC, __func__, offset);
>          return 0;
>      }
>  }
> @@ -225,13 +216,13 @@ static void imx_avic_write(void *opaque, hwaddr offset,
>
>      /* Vector Registers not yet supported */
>      if (offset >= 0x100 && offset <= 0x2fc) {
> -        IPRINTF("%s to vector register %d ignored\n", __func__,
> -                (unsigned int)((offset - 0x100) >> 2));
> +        qemu_log_mask(LOG_UNIMP, "[%s]%s: vector %d ignored\n",
> +                      TYPE_IMX_AVIC, __func__, (int)((offset - 0x100) >> 2));
>          return;
>      }
>
> -    DPRINTF("%s(0x%x) = %x\n", __func__,
> -            (unsigned int)offset>>2, (unsigned int)val);
> +    DPRINTF("(0x%" HWADDR_PRIx ") = 0x%x\n", offset, (unsigned int)val);
> +
>      switch (offset >> 2) {
>      case 0: /* Interrupt Control Register, INTCNTL */
>          s->intcntl = val & (ABFEN | NIDIS | FIDIS | NIAD | FIAD | NM);
> @@ -305,7 +296,8 @@ static void imx_avic_write(void *opaque, hwaddr offset,
>          return;
>
>      default:
> -        IPRINTF("%s: Bad offset %x\n", __func__, (int)offset);
> +        qemu_log_mask(LOG_GUEST_ERROR, "[%s]%s: Bad register at offset 0x%"
> +                      HWADDR_PRIx "\n", TYPE_IMX_AVIC, __func__, offset);
>      }
>      imx_avic_update(s);
>  }
> --
> 2.5.0
>