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Diffstat (limited to 'results/scraper/launchpad-without-comments/1895895')
| -rw-r--r-- | results/scraper/launchpad-without-comments/1895895 | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/results/scraper/launchpad-without-comments/1895895 b/results/scraper/launchpad-without-comments/1895895 new file mode 100644 index 000000000..b6bc1f5f4 --- /dev/null +++ b/results/scraper/launchpad-without-comments/1895895 @@ -0,0 +1,29 @@ +Attaching SD-Card to specific SD-Bus Sabrelite (ARM) + +Currently, I am looking for a method of attaching an sd-card to a specific bus as opposed to defaulting to the first. + +QEMU Version: 5.0.0 +Specifically trying to use qemu-system-arm binary + + +Running an "info qtree" shows the output seen in the attached image. I have attempted multiple different combinations of arguments to attempt to get the sd-card to appear on the FOURTH sd-bus but no luck. The machine type being used is Sabrelite. It should be noted that I was able to PATCH QEMU to achieve the result I expected but I had hoped this functionality was already available and did not require modification to QEMU itself. + + +For reference, this is the patch that was made to source to allow the card to attach to a specific bus. After the change was made, an sd-card could be attached to a bus with the following flags: + +-drive file=sdcard.img,format=raw,id=mycard -device sd-card,drive=mycard,bus=sd-bus.0 + + +diff qemu-5.1.0.orig/hw/sd/sdhci.c qemu-5.1.0/hw/sd/sdhci.c +1311a1312,1314 +> static int index=0; +> char name[64]; +> sprintf(name, "sd-bus.%d", index++); +1313c1316 +< TYPE_SDHCI_BUS, DEVICE(s), "sd-bus"); +--- +> TYPE_SDHCI_BUS, DEVICE(s), name); + + + +If there is a way to attach an sd-card to the specific bus that does NOT require this change, I'd appreciate it. \ No newline at end of file |