Alistair Delva has uploaded this change for review. (
https://gem5-review.googlesource.com/c/public/gem5/+/54186 )
Change subject: configs: Add support for initrd/initramfs
......................................................................
configs: Add support for initrd/initramfs
Allow the user to specify the path to an initrd/initramfs file which
will be loaded in memory after the DTB. The load address for this data
will be passed to Linux via DeviceTree.
Change-Id: I52e12b9b88ab415fe3b318a6359026651667f3c6
Signed-off-by: Alistair Delva <[email protected]>
---
M configs/example/arm/starter_fs.py
1 file changed, 19 insertions(+), 0 deletions(-)
diff --git a/configs/example/arm/starter_fs.py
b/configs/example/arm/starter_fs.py
index 11190db..7195af4 100644
--- a/configs/example/arm/starter_fs.py
+++ b/configs/example/arm/starter_fs.py
@@ -150,6 +150,9 @@
os.path.join(m5.options.outdir, 'system.dtb')
system.generateDtb(system.workload.dtb_filename)
+ if args.initrd:
+ system.workload.initrd_filename = args.initrd
+
# Linux boot command flags
kernel_cmd = [
# Tell Linux to use the simulated serial port as a console
@@ -198,6 +201,8 @@
help="DTB file to load")
parser.add_argument("--kernel", type=str, default=default_kernel,
help="Linux kernel")
+ parser.add_argument("--initrd", type=str, default=None,
+ help="initrd/initramfs file to load")
parser.add_argument("--disk-image", type=str,
default=default_disk,
help="Disk to instantiate")
--
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Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: I52e12b9b88ab415fe3b318a6359026651667f3c6
Gerrit-Change-Number: 54186
Gerrit-PatchSet: 1
Gerrit-Owner: Alistair Delva <[email protected]>
Gerrit-MessageType: newchange
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