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| author | Catalin Marinas <catalin.marinas@arm.com> | 2007-09-25 16:22:24 +0200 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-01-26 15:41:28 +0100 |
| commit | 25ebee020bd34d1f4c5678538204f0b10bf9f6d5 (patch) | |
| tree | b9b04ddf0b9916922a3cba47a7f64f44cd0b28ff /include/asm-arm/fpstate.h | |
| parent | [ARM] 4582/2: Add support for the common VFP subarchitecture (diff) | |
| download | linux-25ebee020bd34d1f4c5678538204f0b10bf9f6d5.tar.xz linux-25ebee020bd34d1f4c5678538204f0b10bf9f6d5.zip | |
[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 'include/asm-arm/fpstate.h')
| -rw-r--r-- | include/asm-arm/fpstate.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/include/asm-arm/fpstate.h b/include/asm-arm/fpstate.h index f31cda5a55ee..392eb5332323 100644 --- a/include/asm-arm/fpstate.h +++ b/include/asm-arm/fpstate.h @@ -17,14 +17,18 @@ /* * VFP storage area has: * - FPEXC, FPSCR, FPINST and FPINST2. - * - 16 double precision data registers - * - an implementation-dependant word of state for FLDMX/FSTMX + * - 16 or 32 double precision data registers + * - an implementation-dependant word of state for FLDMX/FSTMX (pre-ARMv6) * * FPEXC will always be non-zero once the VFP has been used in this process. */ struct vfp_hard_struct { +#ifdef CONFIG_VFPv3 + __u64 fpregs[32]; +#else __u64 fpregs[16]; +#endif #if __LINUX_ARM_ARCH__ < 6 __u32 fpmx_state; #endif @@ -35,6 +39,7 @@ struct vfp_hard_struct { */ __u32 fpinst; __u32 fpinst2; + #ifdef CONFIG_SMP __u32 cpu; #endif |