[PATCH v42 26/98] hw/sd/sdcard: Convert SD_STATUS to generic_read_byte (ACMD13)

Philippe Mathieu-Daudé posted 98 patches 6 months ago
There is a newer version of this series
[PATCH v42 26/98] hw/sd/sdcard: Convert SD_STATUS to generic_read_byte (ACMD13)
Posted by Philippe Mathieu-Daudé 6 months ago
From: Philippe Mathieu-Daudé <f4bug@amsat.org>

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 hw/sd/sd.c | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index ccf81b9e59..1c4811f410 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -1703,10 +1703,9 @@ static sd_rsp_type_t sd_app_command(SDState *sd,
     case 13:  /* ACMD13: SD_STATUS */
         switch (sd->state) {
         case sd_transfer_state:
-            sd->state = sd_sendingdata_state;
-            sd->data_start = 0;
-            sd->data_offset = 0;
-            return sd_r1;
+            return sd_cmd_to_sendingdata(sd, req, 0,
+                                         sd->sd_status,
+                                         sizeof(sd->sd_status));
 
         default:
             break;
@@ -2136,6 +2135,7 @@ uint8_t sd_read_byte(SDState *sd)
     case 6:  /* CMD6:   SWITCH_FUNCTION */
     case 9:  /* CMD9:   SEND_CSD */
     case 10: /* CMD10:  SEND_CID */
+    case 13: /* ACMD13: SD_STATUS */
     case 17: /* CMD17:  READ_SINGLE_BLOCK */
     case 19: /* CMD19:  SEND_TUNING_BLOCK (SD) */
     case 30: /* CMD30:  SEND_WRITE_PROT */
@@ -2143,13 +2143,6 @@ uint8_t sd_read_byte(SDState *sd)
         sd_generic_read_byte(sd, &ret);
         break;
 
-    case 13:  /* ACMD13: SD_STATUS */
-        ret = sd->sd_status[sd->data_offset ++];
-
-        if (sd->data_offset >= sizeof(sd->sd_status))
-            sd->state = sd_transfer_state;
-        break;
-
     case 18:  /* CMD18:  READ_MULTIPLE_BLOCK */
         if (sd->data_offset == 0) {
             if (!address_in_range(sd, "READ_MULTIPLE_BLOCK",
-- 
2.41.0


Re: [PATCH v42 26/98] hw/sd/sdcard: Convert SD_STATUS to generic_read_byte (ACMD13)
Posted by Cédric Le Goater 6 months ago
On 6/28/24 9:01 AM, Philippe Mathieu-Daudé wrote:
> From: Philippe Mathieu-Daudé <f4bug@amsat.org>
> 
> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>


Reviewed-by: Cédric Le Goater <clg@redhat.com>

Thanks,

C.


> ---
>   hw/sd/sd.c | 15 ++++-----------
>   1 file changed, 4 insertions(+), 11 deletions(-)
> 
> diff --git a/hw/sd/sd.c b/hw/sd/sd.c
> index ccf81b9e59..1c4811f410 100644
> --- a/hw/sd/sd.c
> +++ b/hw/sd/sd.c
> @@ -1703,10 +1703,9 @@ static sd_rsp_type_t sd_app_command(SDState *sd,
>       case 13:  /* ACMD13: SD_STATUS */
>           switch (sd->state) {
>           case sd_transfer_state:
> -            sd->state = sd_sendingdata_state;
> -            sd->data_start = 0;
> -            sd->data_offset = 0;
> -            return sd_r1;
> +            return sd_cmd_to_sendingdata(sd, req, 0,
> +                                         sd->sd_status,
> +                                         sizeof(sd->sd_status));
>   
>           default:
>               break;
> @@ -2136,6 +2135,7 @@ uint8_t sd_read_byte(SDState *sd)
>       case 6:  /* CMD6:   SWITCH_FUNCTION */
>       case 9:  /* CMD9:   SEND_CSD */
>       case 10: /* CMD10:  SEND_CID */
> +    case 13: /* ACMD13: SD_STATUS */
>       case 17: /* CMD17:  READ_SINGLE_BLOCK */
>       case 19: /* CMD19:  SEND_TUNING_BLOCK (SD) */
>       case 30: /* CMD30:  SEND_WRITE_PROT */
> @@ -2143,13 +2143,6 @@ uint8_t sd_read_byte(SDState *sd)
>           sd_generic_read_byte(sd, &ret);
>           break;
>   
> -    case 13:  /* ACMD13: SD_STATUS */
> -        ret = sd->sd_status[sd->data_offset ++];
> -
> -        if (sd->data_offset >= sizeof(sd->sd_status))
> -            sd->state = sd_transfer_state;
> -        break;
> -
>       case 18:  /* CMD18:  READ_MULTIPLE_BLOCK */
>           if (sd->data_offset == 0) {
>               if (!address_in_range(sd, "READ_MULTIPLE_BLOCK",