readme: minor fixes

This commit is contained in:
Ciro Santilli 六四事件 法轮功
2018-11-22 00:00:00 +00:00
parent 70d26c7547
commit d6905e28f1

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@@ -2869,7 +2869,7 @@ cd linux-kernel-module-cheat
sudo ./setup -y sudo ./setup -y
.... ....
and then proceed exactly as in <<prebiult>>. and then proceed exactly as in <<prebuilt>>.
We don't want to build the full Buildroot image inside the VM as that would be way too slow, thus the recommendation for the prebuilt setup. We don't want to build the full Buildroot image inside the VM as that would be way too slow, thus the recommendation for the prebuilt setup.
@@ -8538,7 +8538,7 @@ but the approximation is reasonable.
+ +
It is used mostly for microarchitecture research purposes: when you are making a new chip technology, you don't really need to specialize enormously to an existing microarchitecture, but rather develop something that will work with a wide range of future architectures. It is used mostly for microarchitecture research purposes: when you are making a new chip technology, you don't really need to specialize enormously to an existing microarchitecture, but rather develop something that will work with a wide range of future architectures.
** runs are deterministic by default, unlike QEMU which has a special <<qemu-record-and-replay>> mode, that requires first playing the content once and then replaying ** runs are deterministic by default, unlike QEMU which has a special <<qemu-record-and-replay>> mode, that requires first playing the content once and then replaying
** gem5 ARM at least appears to implement more low level CPU functionality than QEMU, e.g. QEMU only added EL2 in 2018, and EL3 is yet unimplemented: https://stackoverflow.com/questions/42824706/qemu-system-aarch64-entering-el1-when-emulating-a53-power-up gem5 `fs.py` can enable EL3 with `-V` and EL2 with `--enable-security-extensions` ** gem5 ARM at least appears to implement more low level CPU functionality than QEMU, e.g. QEMU only added EL2 in 2018: https://stackoverflow.com/questions/42824706/qemu-system-aarch64-entering-el1-when-emulating-a53-power-up See also: <<arm-exception-level>>
* disadvantage of gem5: slower than QEMU, see: <<benchmark-linux-kernel-boot>> * disadvantage of gem5: slower than QEMU, see: <<benchmark-linux-kernel-boot>>
+ +
This implies that the user base is much smaller, since no Android devs. This implies that the user base is much smaller, since no Android devs.