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| author | Catalin Marinas <catalin.marinas@arm.com> | 2007-09-25 18:22:24 +0400 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-01-26 17:41:28 +0300 |
| commit | 25ebee020bd34d1f4c5678538204f0b10bf9f6d5 (patch) | |
| tree | b9b04ddf0b9916922a3cba47a7f64f44cd0b28ff /arch/arm/vfp/vfp.h | |
| parent | c98929c07a01c9ec2e1e5253456acc7168da8b66 (diff) | |
| download | linux-25ebee020bd34d1f4c5678538204f0b10bf9f6d5.tar.xz | |
[ARM] 4583/1: ARMv7: Add VFPv3 support
This patch adds the support for VFPv3 (the kernel currently supports
VFPv2). The main difference is 32 double registers (compared to 16).
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/vfp/vfp.h')
| -rw-r--r-- | arch/arm/vfp/vfp.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/vfp/vfp.h b/arch/arm/vfp/vfp.h index 791d0238c68f..c85860bad585 100644 --- a/arch/arm/vfp/vfp.h +++ b/arch/arm/vfp/vfp.h @@ -265,7 +265,11 @@ struct vfp_double { * which returns (double)0.0. This is useful for the compare with * zero instructions. */ +#ifdef CONFIG_VFPv3 +#define VFP_REG_ZERO 32 +#else #define VFP_REG_ZERO 16 +#endif extern u64 vfp_get_double(unsigned int reg); extern void vfp_put_double(u64 val, unsigned int reg); |