diff mbox series

[08/11] hw/sd/sdcard: Convert GEN_CMD to generic_read_byte (CMD56)

Message ID 20240625061015.24095-9-philmd@linaro.org (mailing list archive)
State New, archived
Headers show
Series hw/sd/sd: Introduce sd_cmd_to_sendingdata() and sd_generic_read_byte() | expand

Commit Message

Philippe Mathieu-Daudé June 25, 2024, 6:10 a.m. UTC 
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 hw/sd/sd.c | 19 +++++++------------
 1 file changed, 7 insertions(+), 12 deletions(-)
diff mbox series

Patch

diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index 6e6b37bd2d..bf78f06b5c 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -1626,10 +1626,12 @@  static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req)
         switch (sd->state) {
         case sd_transfer_state:
             sd->data_offset = 0;
-            if (req.arg & 1)
-                sd->state = sd_sendingdata_state;
-            else
-                sd->state = sd_receivingdata_state;
+            if (req.arg & 1) {
+                return sd_cmd_to_sendingdata(sd, req, 0,
+                                             sd->vendor_data,
+                                             sizeof(sd->vendor_data));
+            }
+            sd->state = sd_receivingdata_state;
             return sd_r1;
 
         default:
@@ -2115,6 +2117,7 @@  uint8_t sd_read_byte(SDState *sd)
     case 17: /* CMD17:  READ_SINGLE_BLOCK */
     case 19: /* CMD19:  SEND_TUNING_BLOCK (SD) */
     case 30: /* CMD30:  SEND_WRITE_PROT */
+    case 56: /* CMD56:  GEN_CMD */
         sd_generic_read_byte(sd, &ret);
         break;
 
@@ -2163,14 +2166,6 @@  uint8_t sd_read_byte(SDState *sd)
             sd->state = sd_transfer_state;
         break;
 
-    case 56:  /* CMD56:  GEN_CMD */
-        ret = sd->vendor_data[sd->data_offset ++];
-
-        if (sd->data_offset >= sizeof(sd->vendor_data)) {
-            sd->state = sd_transfer_state;
-        }
-        break;
-
     default:
         qemu_log_mask(LOG_GUEST_ERROR, "%s: unknown command\n", __func__);
         return 0x00;