Re: Quick fix for syscall man page

[walter harms <wharms@bfs.de>]

Am 09.09.2019 10:52, schrieb Michael Kerrisk (man-pages):
> [Adding Adam Borowski in CC, since he wrote the riscv text back at the
> start of 2018, andand he may have a comment.]
> 
> On Thu, 5 Sep 2019 at 18:35, Florin Blanaru <florin.blanaru96@gmail.com> wrote:
>>
>> http://man7.org/linux/man-pages/man2/syscall.2.html
>>
>> In the first table, for the riscv Arch/ABI, the instruction should be
>> ecall instead of scall.
>>
>> According the official manual, the instruction has been renamed.
>> https://content.riscv.org/wp-content/uploads/2017/05/riscv-spec-v2.2.pdf
>>
>> "The SCALL and SBREAK instructions have been renamed to ECALL and
>> EBREAK, re-spectively. Their encoding and functionality are
>> unchanged."
> 

Maybe it would be helpful to add a "footnote" that this is a rename only.
Otherwise people may get confused.

jm2c
wh

> Thanks for all of the details. I've applied the patch below.
> 
> Cheers,
> 
> Michael
> 
> diff --git a/man2/syscall.2 b/man2/syscall.2
> index 77e6bccdd..33e5ea655 100644
> --- a/man2/syscall.2
> +++ b/man2/syscall.2
> @@ -196,7 +196,7 @@ mips        syscall v0      v0      v1      a3      1, 6
>  nios2  trap    r2      r2      -       r7
>  parisc ble 0x100(%sr2, %r0)    r20     r28     -       -
>  powerpc        sc      r0      r3      -       r0      1
> -riscv  scall   a7      a0      a1      -
> +riscv  ecall   a7      a0      a1      -
>  s390   svc 0   r1      r2      r3      -       3
>  s390x  svc 0   r1      r2      r3      -       3
>  superh trap #0x17      r3      r0      r1      -       4, 6
>