Arm64ec introduced the InterruptFaultPage which is lower overhead since
instead of ldr+str it just turns in to a single str. We were already
allocating the space, FEXCore and the frontend signal delegator just
needed to be updated to understand the new location.
We can additionally use this in the future if we want to make deferred
async signals INSIDE the JIT only cost a single str as well.
Aside from its own self-test, the parser is unused and should remain that way,
since it's a maintenance burden with no real benefit. Burn it.
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Moves it to the hypervisor leafs.
Before:
```bash
$ FEXBash 'cat /proc/cpuinfo | grep "model name"'
model name : FEX-2404-101-gf9effcb Cortex-A78C
model name : FEX-2404-101-gf9effcb Cortex-A78C
model name : FEX-2404-101-gf9effcb Cortex-A78C
model name : FEX-2404-101-gf9effcb Cortex-A78C
model name : FEX-2404-101-gf9effcb Cortex-X1C
model name : FEX-2404-101-gf9effcb Cortex-X1C
model name : FEX-2404-101-gf9effcb Cortex-X1C
model name : FEX-2404-101-gf9effcb Cortex-X1C
```
After:
```bash
$ FEXBash 'cat /proc/cpuinfo | grep "model name"'
model name : Cortex-A78C
model name : Cortex-A78C
model name : Cortex-A78C
model name : Cortex-A78C
model name : Cortex-X1C
model name : Cortex-X1C
model name : Cortex-X1C
model name : Cortex-X1C
```
Now the FEX string is in the hypervisor functions as a leaf, so if some
utility wants the FEX version they can query that directly
Ex:
```bash
$ ./Bin/FEXInterpreter get_cpuid_fex
Maximum 4000_0001h sub-leaf: 2
We are running under FEX on host: 2
FEX version string is: 'FEX-2404-113-g820494d'
```
This was a funny joke that this was here, but it is fundamentally
incompatible with what we're doing. All those users are running proot
anyway because of how broken running under termux directly is.
Just remove this from here.
Reorder PPA building to be after the github tag. PPA takes a while to
run, so good to get it out of the way up front so it can be handled in
the background while doing the rest of the release.
Also update the link which was renamed.
The final tail of the file reading was incorrect, so our hashing was
"correct" but it was using stale data from the previous block size read.
Noticed this while wiring up the CI rootfs fetching since the hashing is
a lot simpler there.
Now instead of reading a tail, just attempt to read the full block size
and use the resulting data size instead. Confirmed it matches expected
results now.
In the process we are going to need to update hyperlinks and hashes
anyway, change the hash to XXH3 so it is faster to run.
Exposes the host architecture through this CPUID function. Only exposes
the architectures we support. Not burning 16-bits on using ELF machine
definitions here.
Uses 4 bits still for future expansion.
FEX hardly works on Termux as-is, but we should make sure to document
how to update the packages otherwise we will quickly become outdated on
their package management.
Ryan Houdek