Commit 8b224b81 authored by David S. Miller's avatar David S. Miller
Browse files

[SPARC64]: Create a HWCAP_SPARC_N2 and report it to userspace on Niagara-2. 



Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 7dc40880

include/asm-sparc64/elf.h

+8 −2
Original line number Diff line number Diff line
@@ -70,6 +70,7 @@ 
#define HWCAP_SPARC_V9		16

#define HWCAP_SPARC_ULTRA3	32

#define HWCAP_SPARC_BLKINIT	64

#define HWCAP_SPARC_N2		128



/*

 * These are used to set parameters in the core dumps.
@@ -155,8 +156,13 @@ static inline unsigned int sparc64_elf_hwcap(void) 


	if (tlb_type == cheetah || tlb_type == cheetah_plus)

		cap |= HWCAP_SPARC_ULTRA3;

	else if (tlb_type == hypervisor)

	else if (tlb_type == hypervisor) {

		if (sun4v_chip_type == SUN4V_CHIP_NIAGARA1 ||

		    sun4v_chip_type == SUN4V_CHIP_NIAGARA2)

			cap |= HWCAP_SPARC_BLKINIT;

		if (sun4v_chip_type == SUN4V_CHIP_NIAGARA2)

			cap |= HWCAP_SPARC_N2;

	}



	return cap;

}