From 4baa9922430662431231ac637adedddbb0cfb2d7 Mon Sep 17 00:00:00 2001 From: Russell King Date: Sat, 2 Aug 2008 10:55:55 +0100 Subject: [ARM] move include/asm-arm to arch/arm/include/asm Move platform independent header files to arch/arm/include/asm, leaving those in asm/arch* and asm/plat* alone. Signed-off-by: Russell King --- arch/arm/include/asm/vfpmacros.h | 47 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 arch/arm/include/asm/vfpmacros.h (limited to 'arch/arm/include/asm/vfpmacros.h') diff --git a/arch/arm/include/asm/vfpmacros.h b/arch/arm/include/asm/vfpmacros.h new file mode 100644 index 00000000000..422f3cc204a --- /dev/null +++ b/arch/arm/include/asm/vfpmacros.h @@ -0,0 +1,47 @@ +/* + * arch/arm/include/asm/vfpmacros.h + * + * Assembler-only file containing VFP macros and register definitions. + */ +#include "vfp.h" + +@ Macros to allow building with old toolkits (with no VFP support) + .macro VFPFMRX, rd, sysreg, cond + MRC\cond p10, 7, \rd, \sysreg, cr0, 0 @ FMRX \rd, \sysreg + .endm + + .macro VFPFMXR, sysreg, rd, cond + MCR\cond p10, 7, \rd, \sysreg, cr0, 0 @ FMXR \sysreg, \rd + .endm + + @ read all the working registers back into the VFP + .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, 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 -- cgit v1.2.3