mirror of https://gitee.com/openkylin/linux.git
[SPARC64]: Create a HWCAP_SPARC_N2 and report it to userspace on Niagara-2.
Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -70,6 +70,7 @@
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#define HWCAP_SPARC_V9 16
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#define HWCAP_SPARC_ULTRA3 32
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#define HWCAP_SPARC_BLKINIT 64
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#define HWCAP_SPARC_N2 128
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/*
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* These are used to set parameters in the core dumps.
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@ -155,8 +156,13 @@ static inline unsigned int sparc64_elf_hwcap(void)
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if (tlb_type == cheetah || tlb_type == cheetah_plus)
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cap |= HWCAP_SPARC_ULTRA3;
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else if (tlb_type == hypervisor)
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else if (tlb_type == hypervisor) {
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if (sun4v_chip_type == SUN4V_CHIP_NIAGARA1 ||
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sun4v_chip_type == SUN4V_CHIP_NIAGARA2)
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cap |= HWCAP_SPARC_BLKINIT;
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if (sun4v_chip_type == SUN4V_CHIP_NIAGARA2)
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cap |= HWCAP_SPARC_N2;
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}
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return cap;
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}
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