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Re: [Qemu-devel] [Bug 1344320] [NEW] qemu-aarch64 cannot execute glibc
From: |
Richard Henderson |
Subject: |
Re: [Qemu-devel] [Bug 1344320] [NEW] qemu-aarch64 cannot execute glibc |
Date: |
Mon, 21 Jul 2014 08:55:42 -1000 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 |
On 07/19/2014 12:54 AM, Peter Maydell wrote:
> On 18 July 2014 21:30, Andreas Schwab <address@hidden> wrote:
>> qemu: uncaught target signal 4 (Illegal instruction) - core dumped
>> Illegal instruction
>> $ objdump -d
>> /daten/build/build-root/home/abuild/rpmbuild/BUILD/glibc-2.19.90/cc-base/elf/ld-linux-aarch64.so.1
>> | grep ' 4828:'
>> 4828: d53be040 mrs x0, cntvct_el0
>
> That's awkward, it looks like glibc has started reading the
> generic timer from userspace, and our implementation is
> #ifndef CONFIG_USER_ONLY.
>
> Do we have any current implementations of timers/counters
> used by linux-user?
Yes, several. We pass through to cpu_get_real_ticks.
r~
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