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gem5: arm linux kernel bisection result and script

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Ciro Santilli
2018-08-12 12:30:15 +01:00
parent e5e68750ce
commit 6792bfd45a
3 changed files with 11 additions and 0 deletions
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4
README.adoc
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@@ -7342,6 +7342,8 @@ git -C linux checkout v4.16
git -C linux checkout - git -C linux checkout -
.... ....
Bisected down to Linux kernel commit link:https://github.com/torvalds/linux/commit/c5e1035c9687025373b7c48a08efb37f5329916b[c5e1035c9687025373b7c48a08efb37f5329916b].
If we check out gem5 to a previous revision 60600f09c25255b3c8f72da7fb49100e2682093a, which is when I first noticed that v4.17 was not working, then there is another error instead: If we check out gem5 to a previous revision 60600f09c25255b3c8f72da7fb49100e2682093a, which is when I first noticed that v4.17 was not working, then there is another error instead:
.... ....
@@ -9490,6 +9492,8 @@ git submodule update
rm -rf out/arm/buildroot/build/host-qemu-custom.bisect/ rm -rf out/arm/buildroot/build/host-qemu-custom.bisect/
.... ....
An example of Linux kernel commit bisection on gem5 boots can be found at: link:linux-bisect-boot-gem5[].
==== Sanity checks ==== Sanity checks
Basic C and C++ hello worlds: Basic C and C++ hello worlds:

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linux-bisect-boot-gem5 Normal file
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@@ -0,0 +1,7 @@
#!/usr/bin/env bash
set -eu
cd ..
# Rebuilds were failing without this.
rm -rf out/arm/buildroot/build/linux-custom.bisect/
./build -aa -L bisect
./run -aa -E 'm5 exit' -L bisect -gu

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qemu-bisect-boot Normal file → Executable file
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