diff options
Diffstat (limited to 'include/asm-arm/vfpmacros.h')
| -rw-r--r-- | include/asm-arm/vfpmacros.h | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/include/asm-arm/vfpmacros.h b/include/asm-arm/vfpmacros.h index 27fe028b4e7..cccb3892e73 100644 --- a/include/asm-arm/vfpmacros.h +++ b/include/asm-arm/vfpmacros.h @@ -15,19 +15,33 @@ .endm @ read all the working registers back into the VFP - .macro VFPFLDMIA, base + .macro VFPFLDMIA, base, tmp #if __LINUX_ARM_ARCH__ < 6 LDC p11, cr0, [\base],#33*4 @ FLDMIAX \base!, {d0-d15} #else LDC p11, cr0, [\base],#32*4 @ FLDMIAD \base!, {d0-d15} #endif +#ifdef CONFIG_VFPv3 + VFPFMRX \tmp, MVFR0 @ Media and VFP Feature Register 0 + and \tmp, \tmp, #MVFR0_A_SIMD_MASK @ A_SIMD field + cmp \tmp, #2 @ 32 x 64bit registers? + ldceql p11, cr0, [\base],#32*4 @ FLDMIAD \base!, {d16-d31} + addne \base, \base, #32*4 @ step over unused register space +#endif .endm @ write all the working registers out of the VFP - .macro VFPFSTMIA, base + .macro VFPFSTMIA, base, tmp #if __LINUX_ARM_ARCH__ < 6 STC p11, cr0, [\base],#33*4 @ FSTMIAX \base!, {d0-d15} #else STC p11, cr0, [\base],#32*4 @ FSTMIAD \base!, {d0-d15} #endif +#ifdef CONFIG_VFPv3 + VFPFMRX \tmp, MVFR0 @ Media and VFP Feature Register 0 + and \tmp, \tmp, #MVFR0_A_SIMD_MASK @ A_SIMD field + cmp \tmp, #2 @ 32 x 64bit registers? + stceql p11, cr0, [\base],#32*4 @ FSTMIAD \base!, {d16-d31} + addne \base, \base, #32*4 @ step over unused register space +#endif .endm |