hw/sd: Add sd_cmd_unimplemented() handler

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
[ clg: Fix redundant assignment of .cmd ]
Message-Id: <20210624142209.1193073-7-f4bug@amsat.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>

hw/sd/sd.c

@@ -1011,6 +1011,15 @@ static sd_rsp_type_t sd_cmd_illegal(SDState *sd, SDRequest req)
     return sd_illegal;
 }
 
+/* Commands that are recognised but not yet implemented. */
+static sd_rsp_type_t sd_cmd_unimplemented(SDState *sd, SDRequest req)
+{
+    qemu_log_mask(LOG_UNIMP, "%s: CMD%i not implemented\n",
+                  sd_proto(sd)->name, req.cmd);
+
+    return sd_illegal;
+}
+
 static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req)
 {
     uint32_t rca = 0x0000;
@@ -1565,9 +1574,6 @@ static sd_rsp_type_t sd_app_command(SDState *sd,
 
     switch (req.cmd) {
     case 6:  /* ACMD6:  SET_BUS_WIDTH */
-        if (sd->spi) {
-            goto unimplemented_spi_cmd;
-        }
         switch (sd->state) {
         case sd_transfer_state:
             sd->sd_status[0] &= 0x3f;
@@ -1698,12 +1704,6 @@ static sd_rsp_type_t sd_app_command(SDState *sd,
     default:
         /* Fall back to standard commands.  */
         return sd_normal_command(sd, req);
-
-    unimplemented_spi_cmd:
-        /* Commands that are recognised but not yet implemented in SPI mode.  */
-        qemu_log_mask(LOG_UNIMP, "SD: CMD%i not implemented in SPI mode\n",
-                      req.cmd);
-        return sd_illegal;
     }
 
     qemu_log_mask(LOG_GUEST_ERROR, "SD: ACMD%i in a wrong state\n", req.cmd);
@@ -2139,6 +2139,9 @@ static const SDProto sd_proto_spi = {
         [26]        = sd_cmd_illegal,
         [52 ... 54] = sd_cmd_illegal,
     },
+    .acmd = {
+        [6]         = sd_cmd_unimplemented,
+    },
 };
 
 static const SDProto sd_proto_sd = {