Add HWCAP_NEON to the ARM hwcap.h file

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Catalin Marinas 2008-11-06 13:23:07 +00:00
parent 4369ae16ee
commit 2bedbdf414
3 changed files with 11 additions and 0 deletions

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@ -16,6 +16,7 @@
#define HWCAP_IWMMXT 512
#define HWCAP_CRUNCH 1024
#define HWCAP_THUMBEE 2048
#define HWCAP_NEON 4096
#if defined(__KERNEL__) && !defined(__ASSEMBLY__)
/*

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@ -773,6 +773,7 @@ static const char *hwcap_str[] = {
"iwmmxt",
"crunch",
"thumbee",
"neon",
NULL
};

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@ -371,6 +371,15 @@ static int __init vfp_init(void)
* in place; report VFP support to userspace.
*/
elf_hwcap |= HWCAP_VFP;
#ifdef CONFIG_NEON
/*
* Check for the presence of the Advanced SIMD
* load/store instructions, integer and single
* precision floating point operations.
*/
if ((fmrx(MVFR1) & 0x000fff00) == 0x00011100)
elf_hwcap |= HWCAP_NEON;
#endif
}
return 0;
}