diff options
Diffstat (limited to 'arch/frv/lib')
-rw-r--r-- | arch/frv/lib/Makefile | 8 | ||||
-rw-r--r-- | arch/frv/lib/__ashldi3.S | 40 | ||||
-rw-r--r-- | arch/frv/lib/__ashrdi3.S | 41 | ||||
-rw-r--r-- | arch/frv/lib/__lshrdi3.S | 40 | ||||
-rw-r--r-- | arch/frv/lib/__muldi3.S | 32 | ||||
-rw-r--r-- | arch/frv/lib/__negdi2.S | 28 | ||||
-rw-r--r-- | arch/frv/lib/__ucmpdi2.S | 45 | ||||
-rw-r--r-- | arch/frv/lib/atomic-lib.c | 8 | ||||
-rw-r--r-- | arch/frv/lib/atomic-ops.S | 62 | ||||
-rw-r--r-- | arch/frv/lib/atomic64-ops.S | 68 | ||||
-rw-r--r-- | arch/frv/lib/cache.S | 98 | ||||
-rw-r--r-- | arch/frv/lib/checksum.c | 166 | ||||
-rw-r--r-- | arch/frv/lib/insl_ns.S | 52 | ||||
-rw-r--r-- | arch/frv/lib/insl_sw.S | 40 | ||||
-rw-r--r-- | arch/frv/lib/memcpy.S | 135 | ||||
-rw-r--r-- | arch/frv/lib/memset.S | 182 | ||||
-rw-r--r-- | arch/frv/lib/outsl_ns.S | 59 | ||||
-rw-r--r-- | arch/frv/lib/outsl_sw.S | 45 |
18 files changed, 0 insertions, 1149 deletions
diff --git a/arch/frv/lib/Makefile b/arch/frv/lib/Makefile deleted file mode 100644 index 970e8b4f1a02..000000000000 --- a/arch/frv/lib/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -# -# Makefile for FRV-specific library files.. -# - -lib-y := \ - __ashldi3.o __lshrdi3.o __muldi3.o __ashrdi3.o __negdi2.o __ucmpdi2.o \ - checksum.o memcpy.o memset.o atomic-ops.o atomic64-ops.o \ - outsl_ns.o outsl_sw.o insl_ns.o insl_sw.o cache.o atomic-lib.o diff --git a/arch/frv/lib/__ashldi3.S b/arch/frv/lib/__ashldi3.S deleted file mode 100644 index db5b6dc37a11..000000000000 --- a/arch/frv/lib/__ashldi3.S +++ /dev/null @@ -1,40 +0,0 @@ -/* __ashldi3.S: 64-bit arithmetic shift left - * - * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - - .text - .p2align 4 - -############################################################################### -# -# unsigned long long __ashldi3(unsigned long long value [GR8:GR9], unsigned by [GR10]) -# -############################################################################### - .globl __ashldi3 - .type __ashldi3,@function -__ashldi3: - andicc.p gr10,#63,gr10,icc0 - setlos #32,gr5 - andicc.p gr10,#32,gr0,icc1 - beqlr icc0,#0 - ckeq icc1,cc4 ; cc4 is true if 0<N<32 - - # deal with a shift in the range 1<=N<=31 - csll.p gr8,gr10,gr8 ,cc4,#1 ; MSW <<= N - csub gr5,gr10,gr5 ,cc4,#1 ; M = 32 - N - csrl.p gr9,gr5,gr4 ,cc4,#1 - csll gr9,gr10,gr9 ,cc4,#1 ; LSW <<= N - cor.p gr4,gr8,gr8 ,cc4,#1 ; MSW |= LSW >> M - - # deal with a shift in the range 32<=N<=63 - csll gr9,gr10,gr8 ,cc4,#0 ; MSW = LSW << (N & 31 [implicit AND]) - cor.p gr0,gr0,gr9 ,cc4,#0 ; LSW = 0 - bralr - .size __ashldi3, .-__ashldi3 diff --git a/arch/frv/lib/__ashrdi3.S b/arch/frv/lib/__ashrdi3.S deleted file mode 100644 index 5742665bfd29..000000000000 --- a/arch/frv/lib/__ashrdi3.S +++ /dev/null @@ -1,41 +0,0 @@ -/* __ashrdi3.S: 64-bit arithmetic shift right - * - * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - - .text - .p2align 4 - -############################################################################### -# -# signed long long __ashrdi3(signed long long value [GR8:GR9], unsigned by [GR10]) -# -############################################################################### - .globl __ashrdi3 - .type __ashrdi3,@function -__ashrdi3: - andicc.p gr10,#63,gr10,icc0 - setlos #32,gr5 - andicc.p gr10,#32,gr0,icc1 - beqlr icc0,#0 - setlos.p #31,gr6 - ckeq icc1,cc4 ; cc4 is true if 0<N<32 - - # deal with a shift in the range 1<=N<=31 - csrl.p gr9,gr10,gr9 ,cc4,#1 ; LSW >>= N - csub gr5,gr10,gr5 ,cc4,#1 ; M = 32 - N - csll.p gr8,gr5,gr4 ,cc4,#1 - csra gr8,gr10,gr8 ,cc4,#1 ; MSW >>= N - cor.p gr4,gr9,gr9 ,cc4,#1 ; LSW |= MSW << M - - # deal with a shift in the range 32<=N<=63 - csra gr8,gr10,gr9 ,cc4,#0 ; LSW = MSW >> (N & 31 [implicit AND]) - csra.p gr8,gr6,gr8 ,cc4,#0 ; MSW >>= 31 - bralr - .size __ashrdi3, .-__ashrdi3 diff --git a/arch/frv/lib/__lshrdi3.S b/arch/frv/lib/__lshrdi3.S deleted file mode 100644 index 7b41f6304f04..000000000000 --- a/arch/frv/lib/__lshrdi3.S +++ /dev/null @@ -1,40 +0,0 @@ -/* __lshrdi3.S: 64-bit logical shift right - * - * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - - .text - .p2align 4 - -############################################################################### -# -# unsigned long long __lshrdi3(unsigned long long value [GR8:GR9], unsigned by [GR10]) -# -############################################################################### - .globl __lshrdi3 - .type __lshrdi3,@function -__lshrdi3: - andicc.p gr10,#63,gr10,icc0 - setlos #32,gr5 - andicc.p gr10,#32,gr0,icc1 - beqlr icc0,#0 - ckeq icc1,cc4 ; cc4 is true if 0<N<32 - - # deal with a shift in the range 1<=N<=31 - csrl.p gr9,gr10,gr9 ,cc4,#1 ; LSW >>= N - csub gr5,gr10,gr5 ,cc4,#1 ; M = 32 - N - csll.p gr8,gr5,gr4 ,cc4,#1 - csrl gr8,gr10,gr8 ,cc4,#1 ; MSW >>= N - cor.p gr4,gr9,gr9 ,cc4,#1 ; LSW |= MSW << M - - # deal with a shift in the range 32<=N<=63 - csrl gr8,gr10,gr9 ,cc4,#0 ; LSW = MSW >> (N & 31 [implicit AND]) - cor.p gr0,gr0,gr8 ,cc4,#0 ; MSW = 0 - bralr - .size __lshrdi3, .-__lshrdi3 diff --git a/arch/frv/lib/__muldi3.S b/arch/frv/lib/__muldi3.S deleted file mode 100644 index 2703d9b79361..000000000000 --- a/arch/frv/lib/__muldi3.S +++ /dev/null @@ -1,32 +0,0 @@ -/* __muldi3.S: 64-bit multiply - * - * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - - .text - .p2align 4 - -############################################################################### -# -# unsigned long long __muldi3(unsigned long long x [GR8:GR9], -# unsigned long long y [GR10:GR11]) -# -############################################################################### - .globl __muldi3, __mulll, __umulll - .type __muldi3,@function -__muldi3: -__mulll: -__umulll: - umul gr8,gr11,gr4 ; GR4:GR5 = x.MSW * y.LSW - umul gr9,gr10,gr6 ; GR6:GR7 = x.LSW * y.MSW - umul.p gr9,gr11,gr8 ; GR8:GR9 = x.LSW * y.LSW - add gr5,gr7,gr5 - add.p gr8,gr5,gr8 ; GR8 += GR5 + GR7 - bralr - .size __muldi3, .-__muldi3 diff --git a/arch/frv/lib/__negdi2.S b/arch/frv/lib/__negdi2.S deleted file mode 100644 index d1747bf24997..000000000000 --- a/arch/frv/lib/__negdi2.S +++ /dev/null @@ -1,28 +0,0 @@ -/* __negdi2.S: 64-bit negate - * - * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - - - .text - .p2align 4 - -############################################################################### -# -# unsigned long long __negdi2(unsigned long long value [GR8:GR9]) -# -############################################################################### - .globl __negdi2 - .type __negdi2,@function -__negdi2: - subcc gr0,gr9,gr9,icc0 - subx gr0,gr8,gr8,icc0 - bralr - .size __negdi2, .-__negdi2 - diff --git a/arch/frv/lib/__ucmpdi2.S b/arch/frv/lib/__ucmpdi2.S deleted file mode 100644 index d892f16ffaa9..000000000000 --- a/arch/frv/lib/__ucmpdi2.S +++ /dev/null @@ -1,45 +0,0 @@ -/* __ucmpdi2.S: 64-bit unsigned compare - * - * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - - - .text - .p2align 4 - -############################################################################### -# -# int __ucmpdi2(unsigned long long a [GR8:GR9], -# unsigned long long b [GR10:GR11]) -# -# - returns 0, 1, or 2 as a <, =, > b respectively. -# -############################################################################### - .globl __ucmpdi2 - .type __ucmpdi2,@function -__ucmpdi2: - or.p gr8,gr0,gr4 - subcc gr8,gr10,gr0,icc0 - setlos.p #0,gr8 - bclr icc0,#2 ; a.msw < b.msw - - setlos.p #2,gr8 - bhilr icc0,#0 ; a.msw > b.msw - - subcc.p gr9,gr11,gr0,icc1 - setlos #0,gr8 - setlos.p #2,gr9 - setlos #1,gr7 - cknc icc1,cc6 - cor.p gr9,gr0,gr8, cc6,#1 - cckls icc1,cc4, cc6,#1 - andcr cc6,cc4,cc4 - cor gr7,gr0,gr8, cc4,#1 - bralr - .size __ucmpdi2, .-__ucmpdi2 diff --git a/arch/frv/lib/atomic-lib.c b/arch/frv/lib/atomic-lib.c deleted file mode 100644 index 3027576f7782..000000000000 --- a/arch/frv/lib/atomic-lib.c +++ /dev/null @@ -1,8 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 - -#include <linux/export.h> -#include <asm/atomic.h> - -#define __ATOMIC_LIB__ - -#include <asm/atomic_defs.h> diff --git a/arch/frv/lib/atomic-ops.S b/arch/frv/lib/atomic-ops.S deleted file mode 100644 index b7439a960b5b..000000000000 --- a/arch/frv/lib/atomic-ops.S +++ /dev/null @@ -1,62 +0,0 @@ -/* atomic-ops.S: kernel atomic operations - * - * For an explanation of how atomic ops work in this arch, see: - * Documentation/frv/atomic-ops.txt - * - * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -#include <asm/spr-regs.h> - - .text - .balign 4 - -############################################################################### -# -# uint32_t __xchg_32(uint32_t i, uint32_t *v) -# -############################################################################### - .globl __xchg_32 - .type __xchg_32,@function -__xchg_32: - or.p gr8,gr8,gr10 -0: - orcc gr0,gr0,gr0,icc3 /* set ICC3.Z */ - ckeq icc3,cc7 - ld.p @(gr9,gr0),gr8 /* LD.P/ORCR must be atomic */ - orcr cc7,cc7,cc3 /* set CC3 to true */ - cst.p gr10,@(gr9,gr0) ,cc3,#1 - corcc gr29,gr29,gr0 ,cc3,#1 /* clear ICC3.Z if store happens */ - beq icc3,#0,0b - bralr - - .size __xchg_32, .-__xchg_32 - -############################################################################### -# -# uint32_t __cmpxchg_32(uint32_t *v, uint32_t test, uint32_t new) -# -############################################################################### - .globl __cmpxchg_32 - .type __cmpxchg_32,@function -__cmpxchg_32: - or.p gr8,gr8,gr11 -0: - orcc gr0,gr0,gr0,icc3 - ckeq icc3,cc7 - ld.p @(gr11,gr0),gr8 - orcr cc7,cc7,cc3 - subcc gr8,gr9,gr7,icc0 - bnelr icc0,#0 - cst.p gr10,@(gr11,gr0) ,cc3,#1 - corcc gr29,gr29,gr0 ,cc3,#1 - beq icc3,#0,0b - bralr - - .size __cmpxchg_32, .-__cmpxchg_32 diff --git a/arch/frv/lib/atomic64-ops.S b/arch/frv/lib/atomic64-ops.S deleted file mode 100644 index c4c472308a33..000000000000 --- a/arch/frv/lib/atomic64-ops.S +++ /dev/null @@ -1,68 +0,0 @@ -/* kernel atomic64 operations - * - * For an explanation of how atomic ops work in this arch, see: - * Documentation/frv/atomic-ops.txt - * - * Copyright (C) 2009 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -#include <asm/spr-regs.h> - - .text - .balign 4 - - -############################################################################### -# -# uint64_t __xchg_64(uint64_t i, uint64_t *v) -# -############################################################################### - .globl __xchg_64 - .type __xchg_64,@function -__xchg_64: - or.p gr8,gr8,gr4 - or gr9,gr9,gr5 -0: - orcc gr0,gr0,gr0,icc3 /* set ICC3.Z */ - ckeq icc3,cc7 - ldd.p @(gr10,gr0),gr8 /* LDD.P/ORCR must be atomic */ - orcr cc7,cc7,cc3 /* set CC3 to true */ - cstd.p gr4,@(gr10,gr0) ,cc3,#1 - corcc gr29,gr29,gr0 ,cc3,#1 /* clear ICC3.Z if store happens */ - beq icc3,#0,0b - bralr - - .size __xchg_64, .-__xchg_64 - -############################################################################### -# -# uint64_t __cmpxchg_64(uint64_t test, uint64_t new, uint64_t *v) -# -############################################################################### - .globl __cmpxchg_64 - .type __cmpxchg_64,@function -__cmpxchg_64: - or.p gr8,gr8,gr4 - or gr9,gr9,gr5 -0: - orcc gr0,gr0,gr0,icc3 /* set ICC3.Z */ - ckeq icc3,cc7 - ldd.p @(gr12,gr0),gr8 /* LDD.P/ORCR must be atomic */ - orcr cc7,cc7,cc3 - subcc gr8,gr4,gr0,icc0 - subcc.p gr9,gr5,gr0,icc1 - bnelr icc0,#0 - bnelr icc1,#0 - cstd.p gr10,@(gr12,gr0) ,cc3,#1 - corcc gr29,gr29,gr0 ,cc3,#1 /* clear ICC3.Z if store happens */ - beq icc3,#0,0b - bralr - - .size __cmpxchg_64, .-__cmpxchg_64 - diff --git a/arch/frv/lib/cache.S b/arch/frv/lib/cache.S deleted file mode 100644 index 0c4fb204911b..000000000000 --- a/arch/frv/lib/cache.S +++ /dev/null @@ -1,98 +0,0 @@ -/* cache.S: cache management routines - * - * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -#include <asm/spr-regs.h> -#include <asm/cache.h> - - .text - .p2align 4 - -############################################################################### -# -# Write back a range of dcache -# - void frv_dcache_writeback(unsigned long start [GR8], unsigned long size [GR9]) -# -############################################################################### - .globl frv_dcache_writeback - .type frv_dcache_writeback,@function -frv_dcache_writeback: - andi gr8,~(L1_CACHE_BYTES-1),gr8 - -2: dcf @(gr8,gr0) - addi gr8,#L1_CACHE_BYTES,gr8 - cmp gr9,gr8,icc0 - bhi icc0,#2,2b - - membar - bralr - .size frv_dcache_writeback, .-frv_dcache_writeback - -############################################################################## -# -# Invalidate a range of dcache and icache -# - void frv_cache_invalidate(unsigned long start [GR8], unsigned long end [GR9]); -# -############################################################################### - .globl frv_cache_invalidate - .type frv_cache_invalidate,@function -frv_cache_invalidate: - andi gr8,~(L1_CACHE_BYTES-1),gr8 - -2: dci @(gr8,gr0) - ici @(gr8,gr0) - addi gr8,#L1_CACHE_BYTES,gr8 - cmp gr9,gr8,icc0 - bhi icc0,#2,2b - - membar - bralr - .size frv_cache_invalidate, .-frv_cache_invalidate - -############################################################################## -# -# Invalidate a range of icache -# - void frv_icache_invalidate(unsigned long start [GR8], unsigned long end [GR9]); -# -############################################################################### - .globl frv_icache_invalidate - .type frv_icache_invalidate,@function -frv_icache_invalidate: - andi gr8,~(L1_CACHE_BYTES-1),gr8 - -2: ici @(gr8,gr0) - addi gr8,#L1_CACHE_BYTES,gr8 - cmp gr9,gr8,icc0 - bhi icc0,#2,2b - - membar - bralr - .size frv_icache_invalidate, .-frv_icache_invalidate - -############################################################################### -# -# Write back and invalidate a range of dcache and icache -# - void frv_cache_wback_inv(unsigned long start [GR8], unsigned long end [GR9]) -# -############################################################################### - .globl frv_cache_wback_inv - .type frv_cache_wback_inv,@function -frv_cache_wback_inv: - andi gr8,~(L1_CACHE_BYTES-1),gr8 - -2: dcf @(gr8,gr0) - ici @(gr8,gr0) - addi gr8,#L1_CACHE_BYTES,gr8 - cmp gr9,gr8,icc0 - bhi icc0,#2,2b - - membar - bralr - .size frv_cache_wback_inv, .-frv_cache_wback_inv diff --git a/arch/frv/lib/checksum.c b/arch/frv/lib/checksum.c deleted file mode 100644 index 44e16d59bc10..000000000000 --- a/arch/frv/lib/checksum.c +++ /dev/null @@ -1,166 +0,0 @@ -/* - * INET An implementation of the TCP/IP protocol suite for the LINUX - * operating system. INET is implemented using the BSD Socket - * interface as the means of communication with the user level. - * - * IP/TCP/UDP checksumming routines - * - * Authors: Jorge Cwik, <jorge@laser.satlink.net> - * Arnt Gulbrandsen, <agulbra@nvg.unit.no> - * Tom May, <ftom@netcom.com> - * Andreas Schwab, <schwab@issan.informatik.uni-dortmund.de> - * Lots of code moved from tcp.c and ip.c; see those files - * for more names. - * - * 03/02/96 Jes Sorensen, Andreas Schwab, Roman Hodek: - * Fixed some nasty bugs, causing some horrible crashes. - * A: At some points, the sum (%0) was used as - * length-counter instead of the length counter - * (%1). Thanks to Roman Hodek for pointing this out. - * B: GCC seems to mess up if one uses too many - * data-registers to hold input values and one tries to - * specify d0 and d1 as scratch registers. Letting gcc choose these - * registers itself solves the problem. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -/* Revised by Kenneth Albanowski for m68knommu. Basic problem: unaligned access kills, so most - of the assembly has to go. */ - -#include <net/checksum.h> -#include <linux/module.h> - -static inline unsigned short from32to16(unsigned long x) -{ - /* add up 16-bit and 16-bit for 16+c bit */ - x = (x & 0xffff) + (x >> 16); - /* add up carry.. */ - x = (x & 0xffff) + (x >> 16); - return x; -} - -static unsigned long do_csum(const unsigned char * buff, int len) -{ - int odd, count; - unsigned long result = 0; - - if (len <= 0) - goto out; - odd = 1 & (unsigned long) buff; - if (odd) { - result = *buff; - len--; - buff++; - } - count = len >> 1; /* nr of 16-bit words.. */ - if (count) { - if (2 & (unsigned long) buff) { - result += *(unsigned short *) buff; - count--; - len -= 2; - buff += 2; - } - count >>= 1; /* nr of 32-bit words.. */ - if (count) { - unsigned long carry = 0; - do { - unsigned long w = *(unsigned long *) buff; - count--; - buff += 4; - result += carry; - result += w; - carry = (w > result); - } while (count); - result += carry; - result = (result & 0xffff) + (result >> 16); - } - if (len & 2) { - result += *(unsigned short *) buff; - buff += 2; - } - } - if (len & 1) - result += (*buff << 8); - result = from32to16(result); - if (odd) - result = ((result >> 8) & 0xff) | ((result & 0xff) << 8); -out: - return result; -} - -/* - * computes the checksum of a memory block at buff, length len, - * and adds in "sum" (32-bit) - * - * returns a 32-bit number suitable for feeding into itself - * or csum_tcpudp_magic - * - * this function must be called with even lengths, except - * for the last fragment, which may be odd - * - * it's best to have buff aligned on a 32-bit boundary - */ -__wsum csum_partial(const void *buff, int len, __wsum sum) -{ - unsigned int result = do_csum(buff, len); - - /* add in old sum, and carry.. */ - result += (__force u32)sum; - if ((__force u32)sum > result) - result += 1; - return (__force __wsum)result; -} - -EXPORT_SYMBOL(csum_partial); - -/* - * this routine is used for miscellaneous IP-like checksums, mainly - * in icmp.c - */ -__sum16 ip_compute_csum(const void *buff, int len) -{ - return (__force __sum16)~do_csum(buff, len); -} - -EXPORT_SYMBOL(ip_compute_csum); - -/* - * copy from fs while checksumming, otherwise like csum_partial - */ -__wsum -csum_partial_copy_from_user(const void __user *src, void *dst, - int len, __wsum sum, int *csum_err) -{ - int rem; - - if (csum_err) - *csum_err = 0; - - rem = copy_from_user(dst, src, len); - if (rem != 0) { - if (csum_err) - *csum_err = -EFAULT; - memset(dst + len - rem, 0, rem); - len = rem; - } - - return csum_partial(dst, len, sum); -} - -EXPORT_SYMBOL(csum_partial_copy_from_user); - -/* - * copy from ds while checksumming, otherwise like csum_partial - */ -__wsum -csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum) -{ - memcpy(dst, src, len); - return csum_partial(dst, len, sum); -} - -EXPORT_SYMBOL(csum_partial_copy_nocheck); diff --git a/arch/frv/lib/insl_ns.S b/arch/frv/lib/insl_ns.S deleted file mode 100644 index d1658425a9f7..000000000000 --- a/arch/frv/lib/insl_ns.S +++ /dev/null @@ -1,52 +0,0 @@ -/* insl_ns.S: input array of 4b words from device port without byte swapping - * - * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - - - .text - .p2align 4 - -############################################################################### -# -# void __insl_ns(unsigned int port, void *buf, int n) -# -############################################################################### - .globl __insl_ns - .type __insl_ns,@function -__insl_ns: - andicc.p gr9,#3,gr0,icc0 - setlos #4,gr4 - bne icc0,#0,__insl_ns_misaligned - subi gr9,#4,gr9 -0: - ldi.p @(gr8,#0),gr5 - subicc gr10,#1,gr10,icc0 - stu.p gr5,@(gr9,gr4) - bhi icc0,#2,0b - bralr - -__insl_ns_misaligned: - subi.p gr9,#1,gr9 - setlos #1,gr4 -0: - ldi @(gr8,#0),gr5 - - srli gr5,#24,gr6 - stbu.p gr6,@(gr9,gr4) - srli gr5,#16,gr6 - stbu.p gr6,@(gr9,gr4) - srli gr5,#8,gr6 - stbu.p gr6,@(gr9,gr4) - subicc gr10,#1,gr10,icc0 - stbu.p gr5,@(gr9,gr4) - bhi icc0,#2,0b - bralr - - .size __insl_ns, .-__insl_ns diff --git a/arch/frv/lib/insl_sw.S b/arch/frv/lib/insl_sw.S deleted file mode 100644 index 9b5aa95d069b..000000000000 --- a/arch/frv/lib/insl_sw.S +++ /dev/null @@ -1,40 +0,0 @@ -/* insl_sw.S: input array of 4b words from device port with byte swapping - * - * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - - - .text - .p2align 4 - -############################################################################### -# -# void __insl_sw(unsigned int port, void *buf, int n) -# -############################################################################### - .globl __insl_sw - .type __insl_sw,@function -__insl_sw: - subi.p gr9,#1,gr9 - setlos #1,gr4 -0: - ldi.p @(gr8,#0),gr5 ; get 0xAABBCCDD - subicc gr10,#1,gr10,icc0 - - stbu.p gr5,@(gr9,gr4) ; write 0xDD - srli gr5,#8,gr5 - stbu.p gr5,@(gr9,gr4) ; write 0xCC - srli gr5,#8,gr5 - stbu.p gr5,@(gr9,gr4) ; write 0xBB - srli gr5,#8,gr5 - stbu.p gr5,@(gr9,gr4) ; write 0xAA - bhi icc0,#2,0b - bralr - - .size __insl_sw, .-__insl_sw diff --git a/arch/frv/lib/memcpy.S b/arch/frv/lib/memcpy.S deleted file mode 100644 index 9c5965273428..000000000000 --- a/arch/frv/lib/memcpy.S +++ /dev/null @@ -1,135 +0,0 @@ -/* memcpy.S: optimised assembly memcpy - * - * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - - - .text - .p2align 4 - -############################################################################### -# -# void *memcpy(void *to, const char *from, size_t count) -# -# - NOTE: must not use any stack. exception detection performs function return -# to caller's fixup routine, aborting the remainder of the copy -# -############################################################################### - .globl memcpy,__memcpy_end - .type memcpy,@function -memcpy: - or.p gr8,gr9,gr4 - orcc gr10,gr0,gr0,icc3 - or.p gr10,gr4,gr4 - beqlr icc3,#0 - - # optimise based on best common alignment for to, from & count - andicc.p gr4,#0x0f,gr0,icc0 - setlos #8,gr11 - andicc.p gr4,#0x07,gr0,icc1 - beq icc0,#0,memcpy_16 - andicc.p gr4,#0x03,gr0,icc0 - beq icc1,#0,memcpy_8 - andicc.p gr4,#0x01,gr0,icc1 - beq icc0,#0,memcpy_4 - setlos.p #1,gr11 - beq icc1,#0,memcpy_2 - - # do byte by byte copy - sub.p gr8,gr11,gr3 - sub gr9,gr11,gr9 -0: ldubu.p @(gr9,gr11),gr4 - subicc gr10,#1,gr10,icc0 - stbu.p gr4,@(gr3,gr11) - bne icc0,#2,0b - bralr - - # do halfword by halfword copy -memcpy_2: - setlos #2,gr11 - sub.p gr8,gr11,gr3 - sub gr9,gr11,gr9 -0: lduhu.p @(gr9,gr11),gr4 - subicc gr10,#2,gr10,icc0 - sthu.p gr4,@(gr3,gr11) - bne icc0,#2,0b - bralr - - # do word by word copy -memcpy_4: - setlos #4,gr11 - sub.p gr8,gr11,gr3 - sub gr9,gr11,gr9 -0: ldu.p @(gr9,gr11),gr4 - subicc gr10,#4,gr10,icc0 - stu.p gr4,@(gr3,gr11) - bne icc0,#2,0b - bralr - - # do double-word by double-word copy -memcpy_8: - sub.p gr8,gr11,gr3 - sub gr9,gr11,gr9 -0: lddu.p @(gr9,gr11),gr4 - subicc gr10,#8,gr10,icc0 - stdu.p gr4,@(gr3,gr11) - bne icc0,#2,0b - bralr - - # do quad-word by quad-word copy -memcpy_16: - sub.p gr8,gr11,gr3 - sub gr9,gr11,gr9 -0: lddu @(gr9,gr11),gr4 - lddu.p @(gr9,gr11),gr6 - subicc gr10,#16,gr10,icc0 - stdu gr4,@(gr3,gr11) - stdu.p gr6,@(gr3,gr11) - bne icc0,#2,0b - bralr -__memcpy_end: - - .size memcpy, __memcpy_end-memcpy - -############################################################################### -# -# copy to/from userspace -# - return the number of bytes that could not be copied (0 on complete success) -# -# long __memcpy_user(void *dst, const void *src, size_t count) -# -############################################################################### - .globl __memcpy_user, __memcpy_user_error_lr, __memcpy_user_error_handler - .type __memcpy_user,@function -__memcpy_user: - movsg lr,gr7 - subi.p sp,#8,sp - add gr8,gr10,gr6 ; calculate expected end address - stdi gr6,@(sp,#0) - - # abuse memcpy to do the dirty work - call memcpy -__memcpy_user_error_lr: - ldi.p @(sp,#4),gr7 - setlos #0,gr8 - jmpl.p @(gr7,gr0) - addi sp,#8,sp - - # deal any exception generated by memcpy - # GR8 - memcpy's current dest address - # GR11 - memset's step value (index register for store insns) -__memcpy_user_error_handler: - lddi.p @(sp,#0),gr4 ; load GR4 with dst+count, GR5 with ret addr - add gr11,gr3,gr7 - sub.p gr4,gr7,gr8 - - addi sp,#8,sp - jmpl @(gr5,gr0) - - .size __memcpy_user, .-__memcpy_user diff --git a/arch/frv/lib/memset.S b/arch/frv/lib/memset.S deleted file mode 100644 index 55a35263cbe3..000000000000 --- a/arch/frv/lib/memset.S +++ /dev/null @@ -1,182 +0,0 @@ -/* memset.S: optimised assembly memset - * - * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - - - .text - .p2align 4 - -############################################################################### -# -# void *memset(void *p, char ch, size_t count) -# -# - NOTE: must not use any stack. exception detection performs function return -# to caller's fixup routine, aborting the remainder of the set -# GR4, GR7, GR8, and GR11 must be managed -# -############################################################################### - .globl memset,__memset_end - .type memset,@function -memset: - orcc.p gr10,gr0,gr5,icc3 ; GR5 = count - andi gr9,#0xff,gr9 - or.p gr8,gr0,gr4 ; GR4 = address - beqlr icc3,#0 - - # conditionally write a byte to 2b-align the address - setlos.p #1,gr6 - andicc gr4,#1,gr0,icc0 - ckne icc0,cc7 - cstb.p gr9,@(gr4,gr0) ,cc7,#1 - csubcc gr5,gr6,gr5 ,cc7,#1 ; also set ICC3 - cadd.p gr4,gr6,gr4 ,cc7,#1 - beqlr icc3,#0 - - # conditionally write a word to 4b-align the address - andicc.p gr4,#2,gr0,icc0 - subicc gr5,#2,gr0,icc1 - setlos.p #2,gr6 - ckne icc0,cc7 - slli.p gr9,#8,gr12 ; need to double up the pattern - cknc icc1,cc5 - or.p gr9,gr12,gr12 - andcr cc7,cc5,cc7 - - csth.p gr12,@(gr4,gr0) ,cc7,#1 - csubcc gr5,gr6,gr5 ,cc7,#1 ; also set ICC3 - cadd.p gr4,gr6,gr4 ,cc7,#1 - beqlr icc3,#0 - - # conditionally write a dword to 8b-align the address - andicc.p gr4,#4,gr0,icc0 - subicc gr5,#4,gr0,icc1 - setlos.p #4,gr6 - ckne icc0,cc7 - slli.p gr12,#16,gr13 ; need to quadruple-up the pattern - cknc icc1,cc5 - or.p gr13,gr12,gr12 - andcr cc7,cc5,cc7 - - cst.p gr12,@(gr4,gr0) ,cc7,#1 - csubcc gr5,gr6,gr5 ,cc7,#1 ; also set ICC3 - cadd.p gr4,gr6,gr4 ,cc7,#1 - beqlr icc3,#0 - - or.p gr12,gr12,gr13 ; need to octuple-up the pattern - - # the address is now 8b-aligned - loop around writing 64b chunks - setlos #8,gr7 - subi.p gr4,#8,gr4 ; store with update index does weird stuff - setlos #64,gr6 - - subicc gr5,#64,gr0,icc0 -0: cknc icc0,cc7 - cstdu gr12,@(gr4,gr7) ,cc7,#1 - cstdu gr12,@(gr4,gr7) ,cc7,#1 - cstdu gr12,@(gr4,gr7) ,cc7,#1 - cstdu gr12,@(gr4,gr7) ,cc7,#1 - cstdu gr12,@(gr4,gr7) ,cc7,#1 - cstdu.p gr12,@(gr4,gr7) ,cc7,#1 - csubcc gr5,gr6,gr5 ,cc7,#1 ; also set ICC3 - cstdu.p gr12,@(gr4,gr7) ,cc7,#1 - subicc gr5,#64,gr0,icc0 - cstdu.p gr12,@(gr4,gr7) ,cc7,#1 - beqlr icc3,#0 - bnc icc0,#2,0b - - # now do 32-byte remnant - subicc.p gr5,#32,gr0,icc0 - setlos #32,gr6 - cknc icc0,cc7 - cstdu.p gr12,@(gr4,gr7) ,cc7,#1 - csubcc gr5,gr6,gr5 ,cc7,#1 ; also set ICC3 - cstdu.p gr12,@(gr4,gr7) ,cc7,#1 - setlos #16,gr6 - cstdu.p gr12,@(gr4,gr7) ,cc7,#1 - subicc gr5,#16,gr0,icc0 - cstdu.p gr12,@(gr4,gr7) ,cc7,#1 - beqlr icc3,#0 - - # now do 16-byte remnant - cknc icc0,cc7 - cstdu.p gr12,@(gr4,gr7) ,cc7,#1 - csubcc gr5,gr6,gr5 ,cc7,#1 ; also set ICC3 - cstdu.p gr12,@(gr4,gr7) ,cc7,#1 - beqlr icc3,#0 - - # now do 8-byte remnant - subicc gr5,#8,gr0,icc1 - cknc icc1,cc7 - cstdu.p gr12,@(gr4,gr7) ,cc7,#1 - csubcc gr5,gr7,gr5 ,cc7,#1 ; also set ICC3 - setlos.p #4,gr7 - beqlr icc3,#0 - - # now do 4-byte remnant - subicc gr5,#4,gr0,icc0 - addi.p gr4,#4,gr4 - cknc icc0,cc7 - cstu.p gr12,@(gr4,gr7) ,cc7,#1 - csubcc gr5,gr7,gr5 ,cc7,#1 ; also set ICC3 - subicc.p gr5,#2,gr0,icc1 - beqlr icc3,#0 - - # now do 2-byte remnant - setlos #2,gr7 - addi.p gr4,#2,gr4 - cknc icc1,cc7 - csthu.p gr12,@(gr4,gr7) ,cc7,#1 - csubcc gr5,gr7,gr5 ,cc7,#1 ; also set ICC3 - subicc.p gr5,#1,gr0,icc0 - beqlr icc3,#0 - - # now do 1-byte remnant - setlos #0,gr7 - addi.p gr4,#2,gr4 - cknc icc0,cc7 - cstb.p gr12,@(gr4,gr0) ,cc7,#1 - bralr -__memset_end: - - .size memset, __memset_end-memset - -############################################################################### -# -# clear memory in userspace -# - return the number of bytes that could not be cleared (0 on complete success) -# -# long __memset_user(void *p, size_t count) -# -############################################################################### - .globl __memset_user, __memset_user_error_lr, __memset_user_error_handler - .type __memset_user,@function -__memset_user: - movsg lr,gr11 - - # abuse memset to do the dirty work - or.p gr9,gr9,gr10 - setlos #0,gr9 - call memset -__memset_user_error_lr: - jmpl.p @(gr11,gr0) - setlos #0,gr8 - - # deal any exception generated by memset - # GR4 - memset's address tracking pointer - # GR7 - memset's step value (index register for store insns) - # GR8 - memset's original start address - # GR10 - memset's original count -__memset_user_error_handler: - add.p gr4,gr7,gr4 - add gr8,gr10,gr8 - jmpl.p @(gr11,gr0) - sub gr8,gr4,gr8 ; we return the amount left uncleared - - .size __memset_user, .-__memset_user diff --git a/arch/frv/lib/outsl_ns.S b/arch/frv/lib/outsl_ns.S deleted file mode 100644 index 4cd4c46a6966..000000000000 --- a/arch/frv/lib/outsl_ns.S +++ /dev/null @@ -1,59 +0,0 @@ -/* outsl_ns.S: output array of 4b words to device without byte swapping - * - * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - - - .text - .p2align 4 - -############################################################################### -# -# void __outsl_ns(unsigned int port, const void *buf, int n) -# -############################################################################### - .globl __outsl_ns - .type __outsl_ns,@function -__outsl_ns: - andicc.p gr9,#3,gr0,icc0 - setlos #4,gr4 - bne icc0,#0,__outsl_ns_misaligned - subi gr9,#4,gr9 -0: - ldu.p @(gr9,gr4),gr5 - subicc gr10,#1,gr10,icc0 - sti.p gr5,@(gr8,#0) - bhi icc0,#2,0b - - membar - bralr - -__outsl_ns_misaligned: - subi.p gr9,#1,gr9 - setlos #1,gr4 -0: - ldubu @(gr9,gr4),gr5 - ldubu.p @(gr9,gr4),gr6 - slli gr5,#8,gr5 - ldubu.p @(gr9,gr4),gr7 - or gr5,gr6,gr5 - ldubu.p @(gr9,gr4),gr6 - slli gr5,#16,gr5 - slli.p gr7,#8,gr7 - or gr5,gr6,gr5 - subicc.p gr10,#1,gr10,icc0 - or gr5,gr7,gr5 - - sti.p gr5,@(gr8,#0) - bhi icc0,#2,0b - - membar - bralr - - .size __outsl_ns, .-__outsl_ns diff --git a/arch/frv/lib/outsl_sw.S b/arch/frv/lib/outsl_sw.S deleted file mode 100644 index 7eb56d35a956..000000000000 --- a/arch/frv/lib/outsl_sw.S +++ /dev/null @@ -1,45 +0,0 @@ -/* outsl_ns.S: output array of 4b words to device with byte swapping - * - * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - - - .text - .p2align 4 - -############################################################################### -# -# void __outsl_sw(unsigned int port, const void *buf, int n) -# -############################################################################### - .globl __outsl_sw - .type __outsl_sw,@function -__outsl_sw: - subi.p gr9,#1,gr9 - setlos #1,gr4 -0: - ldubu @(gr9,gr4),gr5 - ldubu @(gr9,gr4),gr6 - slli gr6,#8,gr6 - ldubu.p @(gr9,gr4),gr7 - or gr5,gr6,gr5 - ldubu.p @(gr9,gr4),gr6 - slli gr7,#16,gr7 - slli.p gr6,#24,gr6 - or gr5,gr7,gr5 - subicc.p gr10,#1,gr10,icc0 - or gr5,gr6,gr5 - - sti.p gr5,@(gr8,#0) - bhi icc0,#2,0b - - membar - bralr - - .size __outsl_sw, .-__outsl_sw |