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hw/sd/sdcard: Send WRITE_PROT bits MSB first (CMD30)

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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>
This commit is contained in:
Philippe Mathieu-Daudé 2024-06-14 15:17:55 +02:00
parent c239084f5b
commit e55cbe727b
1 changed files with 1 additions and 1 deletions
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hw/sd/sd.c
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@ -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;