[10/21] hw/sd/sdcard: Add sd_cmd_READ_SINGLE_BLOCK handler (CMD17)

Commit Message

Philippe Mathieu-Daudé June 27, 2024, 4:43 p.m. UTC

Signed-off-by: Philippe Mathieu-Daudé <[e-mail]>
---
 hw/sd/sd.c | 37 ++++++++++++++++++++-----------------
 1 file changed, 20 insertions(+), 17 deletions(-)

Patch

diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index d731c3df58..e2a7ed8b45 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -240,7 +240,6 @@  static const char *sd_response_name(sd_rsp_type_t rsp)
 static const char *sd_cmd_name(SDState *sd, uint8_t cmd)
 {
     static const char *cmd_abbrev[SDMMC_CMD_MAX] = {
-                                            [17]    = "READ_SINGLE_BLOCK",
         [18]    = "READ_MULTIPLE_BLOCK",
                                             [21]    = "DPS_spec",
         [24]    = "WRITE_BLOCK",            [25]    = "WRITE_MULTIPLE_BLOCK",
@@ -1441,6 +1440,24 @@  static sd_rsp_type_t sd_cmd_SET_BLOCKLEN(SDState *sd, SDRequest req)
     return sd_r1;
 }
 
+/* CMD17 */
+static sd_rsp_type_t sd_cmd_READ_SINGLE_BLOCK(SDState *sd, SDRequest req)
+{
+    uint64_t addr;
+
+    if (sd->state != sd_transfer_state) {
+        return sd_invalid_state_for_cmd(sd, req);
+    }
+
+    addr = sd_req_get_address(sd, req);
+    if (!address_in_range(sd, "READ_SINGLE_BLOCK", addr, sd->blk_len)) {
+        return sd_r1;
+    }
+
+    sd_blk_read(sd, addr, sd->blk_len);
+    return sd_cmd_to_sendingdata(sd, req, addr, NULL, sd->blk_len);
+}
+
 /* CMD19 */
 static sd_rsp_type_t sd_cmd_SEND_TUNING_BLOCK(SDState *sd, SDRequest req)
 {
@@ -1507,22 +1524,6 @@  static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req)
 
     switch (req.cmd) {
     /* Block read commands (Class 2) */
-    case 17:  /* CMD17:  READ_SINGLE_BLOCK */
-        addr = sd_req_get_address(sd, req);
-        switch (sd->state) {
-        case sd_transfer_state:
-
-            if (!address_in_range(sd, "READ_SINGLE_BLOCK", addr, sd->blk_len)) {
-                return sd_r1;
-            }
-            sd_blk_read(sd, addr, sd->blk_len);
-            return sd_cmd_to_sendingdata(sd, req, addr, NULL, sd->blk_len);
-
-        default:
-            break;
-        }
-        break;
-
     case 18:  /* CMD18:  READ_MULTIPLE_BLOCK */
         addr = sd_req_get_address(sd, req);
         switch (sd->state) {
@@ -2306,6 +2307,7 @@  static const SDProto sd_proto_spi = {
         [12] = {0,  sd_spi, "STOP_TRANSMISSION", sd_cmd_STOP_TRANSMISSION},
         [13] = {0,  sd_spi, "SEND_STATUS", sd_cmd_SEND_STATUS},
         [16] = {2,  sd_spi, "SET_BLOCKLEN", sd_cmd_SET_BLOCKLEN},
+        [17] = {2,  sd_spi, "READ_SINGLE_BLOCK", sd_cmd_READ_SINGLE_BLOCK},
         [34] = {10, sd_spi, "READ_SEC_CMD", sd_cmd_optional},
         [35] = {10, sd_spi, "WRITE_SEC_CMD", sd_cmd_optional},
         [36] = {10, sd_spi, "SEND_PSI", sd_cmd_optional},
@@ -2338,6 +2340,7 @@  static const SDProto sd_proto_sd = {
         [13] = {0,  sd_ac,   "SEND_STATUS", sd_cmd_SEND_STATUS},
         [15] = {0,  sd_ac,   "GO_INACTIVE_STATE", sd_cmd_GO_INACTIVE_STATE},
         [16] = {2,  sd_ac,   "SET_BLOCKLEN", sd_cmd_SET_BLOCKLEN},
+        [17] = {2,  sd_adtc, "READ_SINGLE_BLOCK", sd_cmd_READ_SINGLE_BLOCK},
         [19] = {2,  sd_adtc, "SEND_TUNING_BLOCK", sd_cmd_SEND_TUNING_BLOCK},
         [20] = {2,  sd_ac,   "SPEED_CLASS_CONTROL", sd_cmd_optional},
         [23] = {2,  sd_ac,   "SET_BLOCK_COUNT", sd_cmd_SET_BLOCK_COUNT},