Re: [PATCH v3 13/14] arm/cpu: Add sysreg generation scripts

[Cornelia Huck <cohuck@redhat.com>]

On Thu, Mar 20 2025, Sebastian Ott <sebott@redhat.com> wrote:

> On Tue, 11 Mar 2025, Cornelia Huck wrote:
>> +++ b/scripts/gen-cpu-sysregs-header.awk
> [...]
>> +BEGIN {
>> +    print ""
>> +} END {
>> +    print ""
>> +}
>> +
>> +# skip blank lines and comment lines
>> +/^$/ { next }
>> +/^[\t ]*#/ { next }
>> +
>> +/^Sysreg\t/ || /^Sysreg /{
>> +
>> +	reg = $2
>> +	op0 = $3
>> +	op1 = $4
>> +	crn = $5
>> +	crm = $6
>> +	op2 = $7
>> +
>> +	if (op0 == 3 && (op1>=0 && op1<=3) && crn==0 && (crm>=0 && crm<=7) && (op2>=0 && op2<=7)) {
>> +	    idreg = 1
>> +        } else {
>> +	    idreg = 0
>> +	}
>
> This doesn't seem to be used. I guess this is in preparation for later
> usage, when this can do more than just the plain register definition?

In fact, I might have got muddled a bit in my scripts, let me check. (I
think we should simply skip out-of-range regs.)