Contributors: 7
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Catalin Marinas |
168 |
33.40% |
2 |
20.00% |
| Tony Lindgren |
129 |
25.65% |
1 |
10.00% |
| Stefan Agner |
108 |
21.47% |
2 |
20.00% |
| Russell King |
92 |
18.29% |
2 |
20.00% |
| Paul Walmsley |
4 |
0.80% |
1 |
10.00% |
| Greg Kroah-Hartman |
1 |
0.20% |
1 |
10.00% |
| David Howells |
1 |
0.20% |
1 |
10.00% |
| Total |
503 |
|
10 |
|
/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/include/asm/vfpmacros.h
*
* Assembler-only file containing VFP macros and register definitions.
*/
#include <asm/hwcap.h>
#include <asm/vfp.h>
#ifdef CONFIG_AS_VFP_VMRS_FPINST
.macro VFPFMRX, rd, sysreg, cond
vmrs\cond \rd, \sysreg
.endm
.macro VFPFMXR, sysreg, rd, cond
vmsr\cond \sysreg, \rd
.endm
#else
@ 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
#endif
@ read all the working registers back into the VFP
.macro VFPFLDMIA, base, tmp
.fpu vfpv2
#if __LINUX_ARM_ARCH__ < 6
fldmiax \base!, {d0-d15}
#else
vldmia \base!, {d0-d15}
#endif
#ifdef CONFIG_VFPv3
.fpu vfpv3
#if __LINUX_ARM_ARCH__ <= 6
ldr \tmp, =elf_hwcap @ may not have MVFR regs
ldr \tmp, [\tmp, #0]
tst \tmp, #HWCAP_VFPD32
vldmiane \base!, {d16-d31}
addeq \base, \base, #32*4 @ step over unused register space
#else
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?
vldmiaeq \base!, {d16-d31}
addne \base, \base, #32*4 @ step over unused register space
#endif
#endif
.endm
@ write all the working registers out of the VFP
.macro VFPFSTMIA, base, tmp
#if __LINUX_ARM_ARCH__ < 6
fstmiax \base!, {d0-d15}
#else
vstmia \base!, {d0-d15}
#endif
#ifdef CONFIG_VFPv3
.fpu vfpv3
#if __LINUX_ARM_ARCH__ <= 6
ldr \tmp, =elf_hwcap @ may not have MVFR regs
ldr \tmp, [\tmp, #0]
tst \tmp, #HWCAP_VFPD32
vstmiane \base!, {d16-d31}
addeq \base, \base, #32*4 @ step over unused register space
#else
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?
vstmiaeq \base!, {d16-d31}
addne \base, \base, #32*4 @ step over unused register space
#endif
#endif
.endm