On 2/20/20 12:39 PM, Vineet Gupta wrote:
> Am I not following this correctly ?
Oh never mind, they use 2 seperate regs to convey syscall result and error, so
your code is right.
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Hi Adhemerval,
On 2/20/20 5:14 AM, Adhemerval Zanella wrote:
>
>
> On 19/02/2020 18:40, Vineet Gupta wrote:
>> On 2/10/20 11:20 AM, Adhemerval Zanella wrote:
>>> It changes the nios INTERNAL_SYSCALL_RAW macro to return a negative
>>> value instead of 'r2' register value on 'err' macro argument.
Hi Arnd,
> On Thu, Feb 20, 2020 at 4:42 PM Lukasz Majewski wrote:
> > > On Thu, Feb 20, 2020 at 2:15 PM Lukasz Majewski
> > > wrote:
>
> >
> > I do see two approaches here:
> >
> > 1. In glibc:
> >
> > When -D_TIME_BITS=64 is set - redirections are enabled for syscall
> > wrappers; for exampl
Hi Arnd,
On Thu, Feb 20, 2020 at 09:31:32AM +0100, Arnd Bergmann wrote:
> > > How do I build a latest RISCV 32-bit kernel + userland - do you have
> > > a buildroot branch somewhere that I can build / test with qemu ?
> >
> > Maybe a bit off topic - there is such QEMU and Yocto/OE based test
> > s
On Thu, Feb 20, 2020 at 4:42 PM Lukasz Majewski wrote:
> > On Thu, Feb 20, 2020 at 2:15 PM Lukasz Majewski wrote:
>
> I do see two approaches here:
>
> 1. In glibc:
>
> When -D_TIME_BITS=64 is set - redirections are enabled for syscall
> wrappers; for example __clock_settime64 is used instead of
Hi Arnd,
> On Thu, Feb 20, 2020 at 2:15 PM Lukasz Majewski wrote:
> > > On Thu, Feb 20, 2020 at 10:37 AM Lukasz Majewski
> > > wrote:
> > > > > On Thu, Feb 20, 2020 at 12:11 AM Lukasz Majewski
> > > > > Are there any glibc issues that prevent it
> > > > > from working correctly,
> > > >
> >
On Thu, Feb 20, 2020 at 2:15 PM Lukasz Majewski wrote:
> > On Thu, Feb 20, 2020 at 10:37 AM Lukasz Majewski
> > wrote:
> > > > On Thu, Feb 20, 2020 at 12:11 AM Lukasz Majewski
> > > > Are there any glibc issues that prevent it from working
> > > > correctly,
> > >
> > > I think that the glibc wr
On Thu, 20 Feb 2020, Arnd Bergmann wrote:
> But surely that structure layout would be the same on ARM and ARC
> as well as all other 32-bit architectures with _TIME_BITS=64, right?
Yes.
> What's wrong with having a single implementation for the most
> recent set of stat syscalls, with the older
On 19/02/2020 18:40, Vineet Gupta wrote:
> On 2/10/20 11:20 AM, Adhemerval Zanella wrote:
>> It changes the nios INTERNAL_SYSCALL_RAW macro to return a negative
>> value instead of 'r2' register value on 'err' macro argument.
>>
>> The macro INTERNAL_SYSCALL_DECL is no longer required, and the
>
Hi Arnd,
> On Thu, Feb 20, 2020 at 10:37 AM Lukasz Majewski
> wrote:
> > > On Thu, Feb 20, 2020 at 12:11 AM Lukasz Majewski
> > >
> > > Would it be possible to take a snapshot of your glibc tree
> >
> > The description of the status of Y2038 supporting glibc on ARM 32
> > can be found here [1]
On Thu, Feb 20, 2020 at 10:37 AM Lukasz Majewski wrote:
> > On Thu, Feb 20, 2020 at 12:11 AM Lukasz Majewski
> >
> > Would it be possible to take a snapshot of your glibc tree
>
> The description of the status of Y2038 supporting glibc on ARM 32 can
> be found here [1].
>
> The most recent patche
Hi Arnd, Joseph,
> On Thu, Feb 20, 2020 at 1:46 AM Joseph Myers
> wrote:
> >
> > On Thu, 20 Feb 2020, Vineet Gupta wrote:
> >
> > > The first 4 will need more work as sym aliasing like
> > > strong_alias (__xstat64, __xstat)
> > >
> > > will be needed in those ARM files (which in turn use
On 19. 02. 20, 18:50, Krzysztof Kozlowski wrote:
> The ioreadX() helpers have inconsistent interface. On some architectures
> void *__iomem address argument is a pointer to const, on some not.
>
> Implementations of ioreadX() do not modify the memory under the address
> so they can be converted t
Hi Arnd,
> On Thu, Feb 20, 2020 at 12:11 AM Lukasz Majewski
> wrote:
> > > On 2/14/20 2:39 PM, Alistair Francis wrote:
> > > > On Tue, Feb 11, 2020 at 5:30 PM Joseph Myers
> > > An the reason this all works on RISCV is that your kernel doesn't
> > > define __ARCH_WANT_STAT64 -> lacks __NR_sta
On Thu, Feb 20, 2020 at 12:11 AM Lukasz Majewski wrote:
> > On 2/14/20 2:39 PM, Alistair Francis wrote:
> > > On Tue, Feb 11, 2020 at 5:30 PM Joseph Myers
> > An the reason this all works on RISCV is that your kernel doesn't
> > define __ARCH_WANT_STAT64 -> lacks __NR_statat64 and instead uses the
On Thu, Feb 20, 2020 at 1:46 AM Joseph Myers wrote:
>
> On Thu, 20 Feb 2020, Vineet Gupta wrote:
>
> > The first 4 will need more work as sym aliasing like
> > strong_alias (__xstat64, __xstat)
> >
> > will be needed in those ARM files (which in turn use i386).
>
> The situation for Arm is f
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