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[PULL 13/26] hw/sd/sdcard: Return ILLEGAL for CMD19/CMD23 prior SD spec v3.01

Cédric Le Goater posted 26 patches 1 year, 7 months ago

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Maintainers: "Cédric Le Goater" <clg@kaod.org>, Peter Maydell <peter.maydell@linaro.org>, Andrew Jeffery <andrew@aj.id.au>, Joel Stanley <joel@jms.id.au>, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, Alistair Francis <alistair@alistair23.me>, Kevin Wolf <kwolf@redhat.com>, Hanna Reitz <hreitz@redhat.com>, Bin Meng <bin.meng@windriver.com>, Palmer Dabbelt <palmer@dabbelt.com>, Weiwei Li <liweiwei@iscas.ac.cn>, Daniel Henrique Barboza <dbarboza@ventanamicro.com>, Liu Zhiwei <zhiwei_liu@linux.alibaba.com>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Cleber Rosa <crosa@redhat.com>, Wainer dos Santos Moschetta <wainersm@redhat.com>, Beraldo Leal <bleal@redhat.com>

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[PULL 13/26] hw/sd/sdcard: Return ILLEGAL for CMD19/CMD23 prior SD spec v3.01

Posted by Cédric Le Goater 1 year, 7 months ago

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

CMD19 (SEND_TUNING_BLOCK) and CMD23 (SET_BLOCK_COUNT) were
added in the Physical Layer Simplified Specification v3.01.
When earlier spec version is requested, we should return ILLEGAL.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-Id: <20220509141320.98374-1-philippe.mathieu.daude@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
---
 hw/sd/sd.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index 77a717d35507..0be9ee965ac9 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -1263,7 +1263,7 @@ static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req)
 
     case 19:    /* CMD19: SEND_TUNING_BLOCK (SD) */
         if (sd->spec_version < SD_PHY_SPECv3_01_VERS) {
-            break;
+            goto bad_cmd;
         }
         if (sd->state == sd_transfer_state) {
             sd->state = sd_sendingdata_state;
@@ -1274,7 +1274,7 @@ static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req)
 
     case 23:    /* CMD23: SET_BLOCK_COUNT */
         if (sd->spec_version < SD_PHY_SPECv3_01_VERS) {
-            break;
+            goto bad_cmd;
         }
         switch (sd->state) {
         case sd_transfer_state:
-- 
2.41.0