cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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asmmacro-32.h (2529B)


      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 * asmmacro.h: Assembler macros to make things easier to read.
      4 *
      5 * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
      6 * Copyright (C) 1998, 1999, 2003 Ralf Baechle
      7 */
      8#ifndef _ASM_ASMMACRO_32_H
      9#define _ASM_ASMMACRO_32_H
     10
     11#include <asm/asm-offsets.h>
     12#include <asm/regdef.h>
     13#include <asm/fpregdef.h>
     14#include <asm/mipsregs.h>
     15
     16	.macro	fpu_save_single thread tmp=t0
     17	.set push
     18	SET_HARDFLOAT
     19	cfc1	\tmp,  fcr31
     20	s.d	$f0,  THREAD_FPR0(\thread)
     21	s.d	$f2,  THREAD_FPR2(\thread)
     22	s.d	$f4,  THREAD_FPR4(\thread)
     23	s.d	$f6,  THREAD_FPR6(\thread)
     24	s.d	$f8,  THREAD_FPR8(\thread)
     25	s.d	$f10, THREAD_FPR10(\thread)
     26	s.d	$f12, THREAD_FPR12(\thread)
     27	s.d	$f14, THREAD_FPR14(\thread)
     28	s.d	$f16, THREAD_FPR16(\thread)
     29	s.d	$f18, THREAD_FPR18(\thread)
     30	s.d	$f20, THREAD_FPR20(\thread)
     31	s.d	$f22, THREAD_FPR22(\thread)
     32	s.d	$f24, THREAD_FPR24(\thread)
     33	s.d	$f26, THREAD_FPR26(\thread)
     34	s.d	$f28, THREAD_FPR28(\thread)
     35	s.d	$f30, THREAD_FPR30(\thread)
     36	sw	\tmp, THREAD_FCR31(\thread)
     37	.set pop
     38	.endm
     39
     40	.macro	fpu_restore_single thread tmp=t0
     41	.set push
     42	SET_HARDFLOAT
     43	lw	\tmp, THREAD_FCR31(\thread)
     44	l.d	$f0,  THREAD_FPR0(\thread)
     45	l.d	$f2,  THREAD_FPR2(\thread)
     46	l.d	$f4,  THREAD_FPR4(\thread)
     47	l.d	$f6,  THREAD_FPR6(\thread)
     48	l.d	$f8,  THREAD_FPR8(\thread)
     49	l.d	$f10, THREAD_FPR10(\thread)
     50	l.d	$f12, THREAD_FPR12(\thread)
     51	l.d	$f14, THREAD_FPR14(\thread)
     52	l.d	$f16, THREAD_FPR16(\thread)
     53	l.d	$f18, THREAD_FPR18(\thread)
     54	l.d	$f20, THREAD_FPR20(\thread)
     55	l.d	$f22, THREAD_FPR22(\thread)
     56	l.d	$f24, THREAD_FPR24(\thread)
     57	l.d	$f26, THREAD_FPR26(\thread)
     58	l.d	$f28, THREAD_FPR28(\thread)
     59	l.d	$f30, THREAD_FPR30(\thread)
     60	ctc1	\tmp, fcr31
     61	.set pop
     62	.endm
     63
     64	.macro	cpu_save_nonscratch thread
     65	LONG_S	s0, THREAD_REG16(\thread)
     66	LONG_S	s1, THREAD_REG17(\thread)
     67	LONG_S	s2, THREAD_REG18(\thread)
     68	LONG_S	s3, THREAD_REG19(\thread)
     69	LONG_S	s4, THREAD_REG20(\thread)
     70	LONG_S	s5, THREAD_REG21(\thread)
     71	LONG_S	s6, THREAD_REG22(\thread)
     72	LONG_S	s7, THREAD_REG23(\thread)
     73	LONG_S	sp, THREAD_REG29(\thread)
     74	LONG_S	fp, THREAD_REG30(\thread)
     75	.endm
     76
     77	.macro	cpu_restore_nonscratch thread
     78	LONG_L	s0, THREAD_REG16(\thread)
     79	LONG_L	s1, THREAD_REG17(\thread)
     80	LONG_L	s2, THREAD_REG18(\thread)
     81	LONG_L	s3, THREAD_REG19(\thread)
     82	LONG_L	s4, THREAD_REG20(\thread)
     83	LONG_L	s5, THREAD_REG21(\thread)
     84	LONG_L	s6, THREAD_REG22(\thread)
     85	LONG_L	s7, THREAD_REG23(\thread)
     86	LONG_L	sp, THREAD_REG29(\thread)
     87	LONG_L	fp, THREAD_REG30(\thread)
     88	LONG_L	ra, THREAD_REG31(\thread)
     89	.endm
     90
     91#endif /* _ASM_ASMMACRO_32_H */