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authorTom Rini <trini@konsulko.com>2016-09-20 09:34:53 -0400
committerTom Rini <trini@konsulko.com>2016-09-20 09:34:53 -0400
commita2ed3f452dd1cf4982fe46d5111d200909786686 (patch)
treea66b5a2f3b6491df7ba9345178502959fb19c84f /board/sandbox/README.sandbox
parent60c629b836fb6b6ae79e4e0663977056d75de198 (diff)
parent8f224b3734d042884a8981a14db64c48e87b87a2 (diff)
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Merge git://git.denx.de/u-boot-dm
Diffstat (limited to 'board/sandbox/README.sandbox')
-rw-r--r--board/sandbox/README.sandbox19
1 files changed, 19 insertions, 0 deletions
diff --git a/board/sandbox/README.sandbox b/board/sandbox/README.sandbox
index ed820d3..02d8ab3 100644
--- a/board/sandbox/README.sandbox
+++ b/board/sandbox/README.sandbox
@@ -320,6 +320,25 @@ CONFIG_SPI_IDLE_VAL
The idle value on the SPI bus
+Block Device Emulation
+----------------------
+
+U-Boot can use raw disk images for block device emulation. To e.g. list
+the contents of the root directory on the second partion of the image
+"disk.raw", you can use the following commands:
+
+=>host bind 0 ./disk.raw
+=>ls host 0:2
+
+A disk image can be created using the following commands:
+
+$> truncate -s 1200M ./disk.raw
+$> echo -e "label: gpt\n,64M,U\n,,L" | /usr/sbin/sfdisk ./disk.raw
+$> lodev=`sudo losetup -P -f --show ./disk.raw`
+$> sudo mkfs.vfat -n EFI -v ${lodev}p1
+$> sudo mkfs.ext4 -L ROOT -v ${lodev}p2
+
+
Writing Sandbox Drivers
-----------------------