提交 bb54a335 编写于 作者: C Catalin Marinas 提交者: Russell King

[ARM] 3472/1: Use the D variants of FLDMIA/FSTMIA on ARMv6

Patch from Catalin Marinas

The X variants are deprecated starting with ARMv6. Using the D variants,
the fpmx_state in vfp_hard_struct is no longer needed.
Signed-off-by: NCatalin Marinas <catalin.marinas@arm.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
上级 1320a80d
...@@ -26,7 +26,9 @@ ...@@ -26,7 +26,9 @@
struct vfp_hard_struct { struct vfp_hard_struct {
__u64 fpregs[16]; __u64 fpregs[16];
#if __LINUX_ARM_ARCH__ < 6
__u32 fpmx_state; __u32 fpmx_state;
#endif
__u32 fpexc; __u32 fpexc;
__u32 fpscr; __u32 fpscr;
/* /*
......
...@@ -16,10 +16,18 @@ ...@@ -16,10 +16,18 @@
@ read all the working registers back into the VFP @ read all the working registers back into the VFP
.macro VFPFLDMIA, base .macro VFPFLDMIA, base
#if __LINUX_ARM_ARCH__ < 6
LDC p11, cr0, [\base],#33*4 @ FLDMIAX \base!, {d0-d15} LDC p11, cr0, [\base],#33*4 @ FLDMIAX \base!, {d0-d15}
#else
LDC p11, cr0, [\base],#32*4 @ FLDMIAD \base!, {d0-d15}
#endif
.endm .endm
@ write all the working registers out of the VFP @ write all the working registers out of the VFP
.macro VFPFSTMIA, base .macro VFPFSTMIA, base
#if __LINUX_ARM_ARCH__ < 6
STC p11, cr0, [\base],#33*4 @ FSTMIAX \base!, {d0-d15} STC p11, cr0, [\base],#33*4 @ FSTMIAX \base!, {d0-d15}
#else
STC p11, cr0, [\base],#32*4 @ FSTMIAD \base!, {d0-d15}
#endif
.endm .endm
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