Update to Binutils 2.38

[Sebastian Huber]

On 25/02/2022 15:33, Sebastian Huber wrote:
> On 24/02/2022 10:46, Sebastian Huber wrote:
>> Hello,
>>
>> just for your information, I updated the RSB to use Binutils 2.38 for 
>> the RTEMS 6 tool suite.
> 
> This update causes a lot of trouble for riscv BSPs:
> 
> unrecognized opcode `csrr a0,mcause'
> unrecognized opcode `csrr a0,mstatus'
> unrecognized opcode `csrr a1,mhartid'
> unrecognized opcode `csrr a1,mstatus'
> unrecognized opcode `csrr a2,mepc'
> unrecognized opcode `csrr a2,mscratch'
> unrecognized opcode `csrr a3,mhartid'
> unrecognized opcode `csrr a4,mhartid'
> unrecognized opcode `csrr a5,mhartid'
> unrecognized opcode `csrrc a0,mstatus,0x8'
> unrecognized opcode `csrrc a1,mstatus,0x8'
> unrecognized opcode `csrrc a2,mstatus,0x8'
> unrecognized opcode `csrrc a3,mstatus,0x8'
> unrecognized opcode `csrrc a4,mstatus,0x8'
> unrecognized opcode `csrrc a5,mstatus,0x8'
> unrecognized opcode `csrrc a6,mstatus,0x8'
> unrecognized opcode `csrrc a7,mstatus,0x8'
> unrecognized opcode `csrrc s0,mstatus,0x8'
> unrecognized opcode `csrrc s1,mstatus,0x8'
> unrecognized opcode `csrrc s2,mstatus,0x8'
> unrecognized opcode `csrrc s3,mstatus,0x8'
> unrecognized opcode `csrrc s4,mstatus,0x8'
> unrecognized opcode `csrrc t3,mstatus,0x8'
> unrecognized opcode `csrrc zero,mstatus,0x8'
> unrecognized opcode `csrr s0,mscratch'
> unrecognized opcode `csrr s1,mscratch'
> unrecognized opcode `csrr s2,mscratch'
> unrecognized opcode `csrr s4,mscratch'
> unrecognized opcode `csrrs a5,mie,8'
> unrecognized opcode `csrrs a5,mie,a5'
> unrecognized opcode `csrrs zero,mstatus,a0'
> unrecognized opcode `csrrs zero,mstatus,a1'
> unrecognized opcode `csrrs zero,mstatus,a2'
> unrecognized opcode `csrrs zero,mstatus,a3'
> unrecognized opcode `csrrs zero,mstatus,a4'
> unrecognized opcode `csrrs zero,mstatus,a5'
> unrecognized opcode `csrrs zero,mstatus,a6'
> unrecognized opcode `csrrs zero,mstatus,a7'
> unrecognized opcode `csrrs zero,mstatus,s0'
> unrecognized opcode `csrrs zero,mstatus,s1'
> unrecognized opcode `csrrs zero,mstatus,s2'
> unrecognized opcode `csrrs zero,mstatus,s3'
> unrecognized opcode `csrrs zero,mstatus,s4'
> unrecognized opcode `csrrs zero,mstatus,t3'
> unrecognized opcode `csrw mepc,a1'
> unrecognized opcode `csrw mstatus,a0'

I fixed the riscv issues.

> 
> and powerpc BSPs:
> 
> unrecognized opcode: `dlmzb.'
> unrecognized opcode: `eieio'
> unrecognized opcode: `mfdcr'
> unrecognized opcode: `mfpid'
> unrecognized opcode: `mfsrin'
> unrecognized opcode: `mftcr'
> unrecognized opcode: `mtdcr'
> unrecognized opcode: `mtevpr'
> unrecognized opcode: `mtpid'
> unrecognized opcode: `mtsrin'
> unrecognized opcode: `mttcr'
> unrecognized opcode: `tlbre'
> unrecognized opcode: `tlbrehi'
> unrecognized opcode: `tlbrelo'
> unrecognized opcode: `tlbsx.'
> unrecognized opcode: `tlbwe'
> unrecognized opcode: `tlbwehi'
> unrecognized opcode: `tlbwelo'
> unrecognized opcode: `wait'
> 
> I am on holidays next week, so we can revert the patch, someone else 
> fixes the issue, or we let it be broken for a while.

I fixed some powerpc issues, however, there seems to be also a code 
generation issue for -mcpu=405 in GCC (this could be a previously 
undetected GCC bug). We are not the only ones having issues with 
Binutils 2.38:

https://sourceware.org/pipermail/binutils/2022-February/119787.html

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