| Server IP : 172.67.216.182 / Your IP : 172.70.92.160 Web Server : Apache System : Linux krdc-ubuntu-s-2vcpu-4gb-amd-blr1-01.localdomain 5.15.0-142-generic #152-Ubuntu SMP Mon May 19 10:54:31 UTC 2025 x86_64 User : www ( 1000) PHP Version : 7.4.33 Disable Function : passthru,exec,system,putenv,chroot,chgrp,chown,shell_exec,popen,proc_open,pcntl_exec,ini_alter,ini_restore,dl,openlog,syslog,readlink,symlink,popepassthru,pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,imap_open,apache_setenv MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /usr/src/linux-headers-5.15.0-143/arch/arm/include/asm/ |
Upload File : |
/* 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