aboutsummaryrefslogtreecommitdiff
path: root/hw
diff options
context:
space:
mode:
authorPhilippe Mathieu-Daudé <philmd@linaro.org>2024-06-14 15:17:55 +0200
committerPhilippe Mathieu-Daudé <philmd@linaro.org>2024-07-02 10:08:24 +0200
commite55cbe727b07f1c39f57c1af842ff2fca9bc2d4a (patch)
treea8d60ff653ad495f5313f661dc9993fcd1aa1448 /hw
parentc239084f5b2b13e74716071a5e029329a52e643a (diff)
hw/sd/sdcard: Send WRITE_PROT bits MSB first (CMD30)
Per sections 3.6.1 (SD Bus Protocol) and 7.3.2 (Responses): In the CMD line the Most Significant Bit is transmitted first. Use the stl_be_p() helper to store the value in big-endian. Fixes: a1bb27b1e9 ("Initial SD card emulation") Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Tested-by: Cédric Le Goater <clg@redhat.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-Id: <20240628070216.92609-8-philmd@linaro.org>
Diffstat (limited to 'hw')
-rw-r--r--hw/sd/sd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index b5d002e6d7..1e9530f9ae 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -1508,7 +1508,7 @@ static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req)
}
sd->state = sd_sendingdata_state;
- *(uint32_t *) sd->data = sd_wpbits(sd, req.arg);
+ stl_be_p(sd->data, sd_wpbits(sd, req.arg));
sd->data_start = addr;
sd->data_offset = 0;
return sd_r1;