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On Wed, 2019-09-11 at 11:02 -0700, Matt Turner wrote: |
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> From my original generation SolidRun Cubox: |
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> |
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> $ ./hwcap-dump |
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> hwcap:000000000004ead6 |
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> hwcap2:0000000000000000 |
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> mattst88@cubox ~/cpuid2cpuflags-7-dev $ uname -a |
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> Linux cubox 5.2.7 #11 Wed Aug 7 17:50:03 PDT 2019 armv7l ARMv7 |
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> Processor rev 5 (v7l) Marvell Dove GNU/Linux |
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> |
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> cpuid2cflags says |
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> CPU_FLAGS_ARM: edsp iwmmxt thumb vfp vfpv3 v4 v5 v6 v7 thumb2 |
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> |
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> /proc/cpuinfo: |
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> |
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> processor : 0 |
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> model name : ARMv7 Processor rev 5 (v7l) |
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> BogoMIPS : 333.33 |
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> Features : half thumb fastmult vfp edsp iwmmxt thumbee vfpv3 |
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> vfpv3d16 tls idivt |
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> CPU implementer : 0x56 |
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> CPU architecture: 7 |
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> CPU variant : 0x0 |
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> CPU part : 0x581 |
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> CPU revision : 5 |
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> |
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> Hardware : Marvell Dove |
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> Revision : 0000 |
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> Serial : 0000000000000000 |
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|
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Thanks. |
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|
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> |
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> I've got an "iwmmxt2" flag on x11-libs/pixman, but I don't think |
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> there's a hwcap bit for it. At least not that I see in |
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> arch/arm/include/uapi/asm/hwcap.h |
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|
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Maybe there's some other way of inferring it. For example, 'thumb2' |
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we're basing on ARM version. |
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|
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> |
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> That's just as well. It's only a very small optimization over iwmmxt. |
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> |
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|
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-- |
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Best regards, |
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Michał Górny |