/*
* This file is subject to the terms and conditions of the GNU General Public
* License . See the file " COPYING " in the main directory of this archive
* for more details .
*
* Copyright ( C ) 1996 , 1998 by Ralf Baechle
*
* Multi - arch abstraction and asm macros for easier reading :
* Copyright ( C ) 1996 David S . Miller ( davem @ davemloft . net )
*
* Further modifications to make this work :
* Copyright ( c ) 1998 Harald Koerfgen
*/
#include <linux/export.h>
#include <asm/asm.h>
#include <asm/asmmacro.h>
#include <asm/errno.h>
#include <asm/fpregdef.h>
#include <asm/mipsregs.h>
#include <asm/asm-offsets.h>
#include <asm/regdef.h>
#define EX(a,b) \
9 : a,##b; \
.section __ex_table,"a" ; \
PTR_WD 9 b,fault; \
.previous
#define EX2(a,b) \
9 : a,##b; \
.section __ex_table,"a" ; \
PTR_WD 9 b,fault; \
PTR_WD 9 b+4 ,fault; \
.previous
.set mips1
/*
* Save a thread ' s fp context .
*/
LEAF(_save_fp)
EXPORT_SYMBOL(_save_fp)
fpu_save_single a0, t1 # clobbers t1
jr ra
END(_save_fp)
/*
* Restore a thread ' s fp context .
*/
LEAF(_restore_fp)
fpu_restore_single a0, t1 # clobbers t1
jr ra
END(_restore_fp)
.set noreorder
/**
* _ save_fp_context ( ) - save FP context from the FPU
* @ a0 - pointer to fpregs field of sigcontext
* @ a1 - pointer to fpc_csr field of sigcontext
*
* Save FP context , including the 32 FP data registers and the FP
* control & status register , from the FPU to signal context .
*/
LEAF(_save_fp_context)
.set push
.set hardfloat
li v0, 0 # assume success
cfc1 t1, fcr31
EX2(s.d $f0, 0 (a0))
EX2(s.d $f2, 16 (a0))
EX2(s.d $f4, 32 (a0))
EX2(s.d $f6, 48 (a0))
EX2(s.d $f8, 64 (a0))
EX2(s.d $f10, 80 (a0))
EX2(s.d $f12, 96 (a0))
EX2(s.d $f14, 112 (a0))
EX2(s.d $f16, 128 (a0))
EX2(s.d $f18, 144 (a0))
EX2(s.d $f20, 160 (a0))
EX2(s.d $f22, 176 (a0))
EX2(s.d $f24, 192 (a0))
EX2(s.d $f26, 208 (a0))
EX2(s.d $f28, 224 (a0))
EX2(s.d $f30, 240 (a0))
jr ra
EX(sw t1, (a1))
.set pop
END(_save_fp_context)
/**
* _ restore_fp_context ( ) - restore FP context to the FPU
* @ a0 - pointer to fpregs field of sigcontext
* @ a1 - pointer to fpc_csr field of sigcontext
*
* Restore FP context , including the 32 FP data registers and the FP
* control & status register , from signal context to the FPU .
*/
LEAF(_restore_fp_context)
.set push
.set hardfloat
li v0, 0 # assume success
EX(lw t0, (a1))
EX2(l.d $f0, 0 (a0))
EX2(l.d $f2, 16 (a0))
EX2(l.d $f4, 32 (a0))
EX2(l.d $f6, 48 (a0))
EX2(l.d $f8, 64 (a0))
EX2(l.d $f10, 80 (a0))
EX2(l.d $f12, 96 (a0))
EX2(l.d $f14, 112 (a0))
EX2(l.d $f16, 128 (a0))
EX2(l.d $f18, 144 (a0))
EX2(l.d $f20, 160 (a0))
EX2(l.d $f22, 176 (a0))
EX2(l.d $f24, 192 (a0))
EX2(l.d $f26, 208 (a0))
EX2(l.d $f28, 224 (a0))
EX2(l.d $f30, 240 (a0))
jr ra
ctc1 t0, fcr31
.set pop
END(_restore_fp_context)
.set reorder
.type fault, @function
.ent fault
fault: li v0, -EFAULT
jr ra
.end fault
Messung V0.5 in Prozent C=91 H=94 G=92
¤ Diese beiden folgenden Angebotsgruppen bietet das Unternehmen0.10Angebot
(Wie Sie bei der Firma Beratungs- und Dienstleistungen beauftragen können 2026-09-28)
¤
*Eine klare Vorstellung vom Zielzustand