diff mbox series

[v2,04/11] hw/sd/sdcard: Duplicate READ_SINGLE_BLOCK / READ_MULTIPLE_BLOCK cases

Message ID 20240627162729.80909-5-philmd@linaro.org
State Superseded
Headers show
Series hw/sd/sd: Introduce sd_cmd_to_sendingdata() and sd_generic_read_byte() | expand

Commit Message

Philippe Mathieu-Daudé June 27, 2024, 4:27 p.m. UTC 
In order to modify the READ_SINGLE_BLOCK case in the
next commit, duplicate it first.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 hw/sd/sd.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
diff mbox series

Patch

diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index 8201f3245c..dfcb213aa9 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -1398,6 +1398,24 @@  static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req)
         break;
 
     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->state = sd_sendingdata_state;
+            sd->data_start = addr;
+            sd->data_offset = 0;
+            return sd_r1;
+
+        default:
+            break;
+        }
+        break;
+
     case 18:  /* CMD18:  READ_MULTIPLE_BLOCK */
         addr = sd_req_get_address(sd, req);
         switch (sd->state) {