提交 2bedbdf4 编写于 作者: C Catalin Marinas

Add HWCAP_NEON to the ARM hwcap.h file

Signed-off-by: NCatalin Marinas <catalin.marinas@arm.com>

上级 4369ae16
......@@ -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__)
/*
......
......@@ -773,6 +773,7 @@ static const char *hwcap_str[] = {
"iwmmxt",
"crunch",
"thumbee",
"neon",
NULL
};
......
......@@ -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;
}
......
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