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authorDavid Howells <dhowells@redhat.com>2018-03-08 10:48:46 +0100
committerArnd Bergmann <arnd@arndb.de>2018-03-09 23:19:56 +0100
commit739d875dd6982618020d30f58f8acf10f6076e6d (patch)
tree13deb11d5b2078e49d4e5b6175e5846a22a04b95 /arch/mn10300/lib
parentMerge tag 'metag_remove_2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/... (diff)
downloadlinux-739d875dd6982618020d30f58f8acf10f6076e6d.tar.xz
linux-739d875dd6982618020d30f58f8acf10f6076e6d.zip
mn10300: Remove the architecture
Remove the MN10300 arch as the hardware is defunct. Suggested-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: David Howells <dhowells@redhat.com> cc: Masahiro Yamada <yamada.masahiro@socionext.com> cc: linux-am33-list@redhat.com Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/mn10300/lib')
-rw-r--r--arch/mn10300/lib/Makefile7
-rw-r--r--arch/mn10300/lib/__ashldi3.S51
-rw-r--r--arch/mn10300/lib/__ashrdi3.S52
-rw-r--r--arch/mn10300/lib/__lshrdi3.S52
-rw-r--r--arch/mn10300/lib/__ucmpdi2.S43
-rw-r--r--arch/mn10300/lib/ashrdi3.c61
-rw-r--r--arch/mn10300/lib/bitops.c50
-rw-r--r--arch/mn10300/lib/checksum.c100
-rw-r--r--arch/mn10300/lib/delay.c51
-rw-r--r--arch/mn10300/lib/do_csum.S157
-rw-r--r--arch/mn10300/lib/internal.h15
-rw-r--r--arch/mn10300/lib/lshrdi3.c60
-rw-r--r--arch/mn10300/lib/memcpy.S135
-rw-r--r--arch/mn10300/lib/memmove.S160
-rw-r--r--arch/mn10300/lib/memset.S121
-rw-r--r--arch/mn10300/lib/negdi2.c57
-rw-r--r--arch/mn10300/lib/usercopy.c142
17 files changed, 0 insertions, 1314 deletions
diff --git a/arch/mn10300/lib/Makefile b/arch/mn10300/lib/Makefile
deleted file mode 100644
index 0cd2346f4c13..000000000000
--- a/arch/mn10300/lib/Makefile
+++ /dev/null
@@ -1,7 +0,0 @@
-#
-# Makefile for the MN10300-specific library files..
-#
-
-lib-y = delay.o usercopy.o checksum.o bitops.o memcpy.o memmove.o memset.o
-lib-y += do_csum.o
-lib-y += __ashldi3.o __ashrdi3.o __lshrdi3.o negdi2.o __ucmpdi2.o
diff --git a/arch/mn10300/lib/__ashldi3.S b/arch/mn10300/lib/__ashldi3.S
deleted file mode 100644
index a51a9506f00c..000000000000
--- a/arch/mn10300/lib/__ashldi3.S
+++ /dev/null
@@ -1,51 +0,0 @@
-/* MN10300 64-bit arithmetic left shift
- *
- * Copyright (C) 2007 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 Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-#include <asm/cache.h>
-
- .text
- .balign L1_CACHE_BYTES
-
-###############################################################################
-#
-# unsigned long long __ashldi3(unsigned long long value [D1:D0],
-# unsigned by [(12,SP)])
-#
-###############################################################################
- .globl __ashldi3
- .type __ashldi3,@function
-__ashldi3:
- mov (12,sp),a0
- and +63,a0
- beq __ashldi3_zero
-
- cmp +31,a0
- bhi __ashldi3_32plus
-
- # the count is in the range 1-31
- asl a0,d1
-
- mov +32,a1
- sub a0,a1,a1 # a1 = 32 - count
- lsr a1,d0,a1 # get overflow from LSW -> MSW
-
- or_asl a1,d1,a0,d0 # insert overflow into MSW and
- # shift the LSW
- rets
-
- .balign L1_CACHE_BYTES
- # the count is in the range 32-63
-__ashldi3_32plus:
- asl a0,d0,d1
- clr d0
-__ashldi3_zero:
- rets
-
- .size __ashldi3, .-__ashldi3
diff --git a/arch/mn10300/lib/__ashrdi3.S b/arch/mn10300/lib/__ashrdi3.S
deleted file mode 100644
index 6f42382728cb..000000000000
--- a/arch/mn10300/lib/__ashrdi3.S
+++ /dev/null
@@ -1,52 +0,0 @@
-/* MN10300 64-bit arithmetic right shift
- *
- * Copyright (C) 2007 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 Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-#include <asm/cache.h>
-
- .text
- .balign L1_CACHE_BYTES
-
-###############################################################################
-#
-# unsigned long long __ashrdi3(unsigned long long value [D1:D0],
-# unsigned by [(12,SP)])
-#
-###############################################################################
- .globl __ashrdi3
- .type __ashrdi3,@function
-__ashrdi3:
- mov (12,sp),a0
- and +63,a0
- beq __ashrdi3_zero
-
- cmp +31,a0
- bhi __ashrdi3_32plus
-
- # the count is in the range 1-31
- lsr a0,d0
-
- mov +32,a1
- sub a0,a1,a1 # a1 = 32 - count
- asl a1,d1,a1 # get underflow from MSW -> LSW
-
- or_asr a1,d0,a0,d1 # insert underflow into LSW and
- # shift the MSW
- rets
-
- .balign L1_CACHE_BYTES
- # the count is in the range 32-63
-__ashrdi3_32plus:
- asr a0,d1,d0
- ext d0 # sign-extend result through MDR
- mov mdr,d1
-__ashrdi3_zero:
- rets
-
- .size __ashrdi3, .-__ashrdi3
diff --git a/arch/mn10300/lib/__lshrdi3.S b/arch/mn10300/lib/__lshrdi3.S
deleted file mode 100644
index a686aef31e90..000000000000
--- a/arch/mn10300/lib/__lshrdi3.S
+++ /dev/null
@@ -1,52 +0,0 @@
-/* MN10300 64-bit logical right shift
- *
- * Copyright (C) 2007 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 Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-
-#include <asm/cache.h>
-
- .text
- .balign L1_CACHE_BYTES
-
-###############################################################################
-#
-# unsigned long long __lshrdi3(unsigned long long value [D1:D0],
-# unsigned by [(12,SP)])
-#
-###############################################################################
- .globl __lshrdi3
- .type __lshrdi3,@function
-__lshrdi3:
- mov (12,sp),a0
- and +63,a0
- beq __lshrdi3_zero
-
- cmp +31,a0
- bhi __lshrdi3_32plus
-
- # the count is in the range 1-31
- lsr a0,d0
-
- mov +32,a1
- sub a0,a1,a1 # a1 = 32 - count
- asl a1,d1,a1 # get underflow from MSW -> LSW
-
- or_lsr a1,d0,a0,d1 # insert underflow into LSW and
- # shift the MSW
- rets
-
- .balign L1_CACHE_BYTES
- # the count is in the range 32-63
-__lshrdi3_32plus:
- lsr a0,d1,d0
- clr d1
-__lshrdi3_zero:
- rets
-
- .size __lshrdi3, .-__lshrdi3
diff --git a/arch/mn10300/lib/__ucmpdi2.S b/arch/mn10300/lib/__ucmpdi2.S
deleted file mode 100644
index 60dcbdfe386c..000000000000
--- a/arch/mn10300/lib/__ucmpdi2.S
+++ /dev/null
@@ -1,43 +0,0 @@
-/* __ucmpdi2.S: 64-bit unsigned compare
- *
- * Copyright (C) 2008 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 [D0:D1],
-# unsigned long long b [(SP,12),(SP,16)])
-#
-# - returns 0, 1, or 2 as a <, =, > b respectively.
-#
-###############################################################################
- .globl __ucmpdi2
- .type __ucmpdi2,@function
-__ucmpdi2:
- mov (12,sp),a0 # b.lsw
- mov (16,sp),a1 # b.msw
-
- sub a0,d0
- subc a1,d1 # may clear Z, never sets it
- bne __ucmpdi2_differ # a.msw != b.msw
- mov +1,d0
- rets
-
-__ucmpdi2_differ:
- # C flag is set if LE, clear if GE
- subc d0,d0 # -1 if LE, 0 if GE
- add +1,d0 # 0 if LE, 1 if GE
- add d0,d0 # 0 if LE, 2 if GE
- rets
-
- .size __ucmpdi2, .-__ucmpdi2
diff --git a/arch/mn10300/lib/ashrdi3.c b/arch/mn10300/lib/ashrdi3.c
deleted file mode 100644
index c54f61ddf0b5..000000000000
--- a/arch/mn10300/lib/ashrdi3.c
+++ /dev/null
@@ -1,61 +0,0 @@
-/* ashrdi3.c extracted from gcc-2.7.2/libgcc2.c which is: */
-/* Copyright (C) 1989, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
-
-This file is part of GNU CC.
-
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public Licence as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public Licence for more details.
-
-You should have received a copy of the GNU General Public Licence
-along with GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
-
-#define BITS_PER_UNIT 8
-
-typedef int SItype __attribute__((mode(SI)));
-typedef unsigned int USItype __attribute__((mode(SI)));
-typedef int DItype __attribute__((mode(DI)));
-typedef int word_type __attribute__((mode(__word__)));
-
-struct DIstruct {
- SItype low;
- SItype high;
-};
-
-union DIunion {
- struct DIstruct s;
- DItype ll;
-};
-
-DItype __ashrdi3(DItype u, word_type b)
-{
- union DIunion w;
- union DIunion uu;
- word_type bm;
-
- if (b == 0)
- return u;
-
- uu.ll = u;
-
- bm = (sizeof(SItype) * BITS_PER_UNIT) - b;
- if (bm <= 0) {
- /* w.s.high = 1..1 or 0..0 */
- w.s.high = uu.s.high >> (sizeof(SItype) * BITS_PER_UNIT - 1);
- w.s.low = uu.s.high >> -bm;
- } else {
- USItype carries = (USItype)uu.s.high << bm;
- w.s.high = uu.s.high >> b;
- w.s.low = ((USItype)uu.s.low >> b) | carries;
- }
-
- return w.ll;
-}
diff --git a/arch/mn10300/lib/bitops.c b/arch/mn10300/lib/bitops.c
deleted file mode 100644
index 37309cdb7584..000000000000
--- a/arch/mn10300/lib/bitops.c
+++ /dev/null
@@ -1,50 +0,0 @@
-/* MN10300 Non-trivial bit operations
- *
- * Copyright (C) 2007 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 Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-#include <linux/module.h>
-#include <asm/bitops.h>
-
-/*
- * try flipping a bit using BSET and BCLR
- */
-void change_bit(unsigned long nr, volatile void *addr)
-{
- if (test_bit(nr, addr))
- goto try_clear_bit;
-
-try_set_bit:
- if (!test_and_set_bit(nr, addr))
- return;
-
-try_clear_bit:
- if (test_and_clear_bit(nr, addr))
- return;
-
- goto try_set_bit;
-}
-
-/*
- * try flipping a bit using BSET and BCLR and returning the old value
- */
-int test_and_change_bit(unsigned long nr, volatile void *addr)
-{
- if (test_bit(nr, addr))
- goto try_clear_bit;
-
-try_set_bit:
- if (!test_and_set_bit(nr, addr))
- return 0;
-
-try_clear_bit:
- if (test_and_clear_bit(nr, addr))
- return 1;
-
- goto try_set_bit;
-}
diff --git a/arch/mn10300/lib/checksum.c b/arch/mn10300/lib/checksum.c
deleted file mode 100644
index 0f569151ef11..000000000000
--- a/arch/mn10300/lib/checksum.c
+++ /dev/null
@@ -1,100 +0,0 @@
-/* MN10300 Optimised checksumming wrappers
- *
- * Copyright (C) 2007 Matsushita Electric Industrial Co., Ltd.
- * Copyright (C) 2007 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 Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-#include <linux/module.h>
-#include <linux/errno.h>
-#include <asm/byteorder.h>
-#include <linux/uaccess.h>
-#include <asm/checksum.h>
-#include "internal.h"
-
-static inline unsigned short from32to16(__wsum sum)
-{
- asm(" add %1,%0 \n"
- " addc 0xffff,%0 \n"
- : "=r" (sum)
- : "r" (sum << 16), "0" (sum & 0xffff0000)
- : "cc"
- );
- return sum >> 16;
-}
-
-__sum16 ip_fast_csum(const void *iph, unsigned int ihl)
-{
- return ~do_csum(iph, ihl * 4);
-}
-EXPORT_SYMBOL(ip_fast_csum);
-
-__wsum csum_partial(const void *buff, int len, __wsum sum)
-{
- __wsum result;
-
- result = do_csum(buff, len);
- result += sum;
- if (sum > result)
- result++;
- return result;
-}
-EXPORT_SYMBOL(csum_partial);
-
-__sum16 ip_compute_csum(const void *buff, int len)
-{
- return ~from32to16(do_csum(buff, len));
-}
-EXPORT_SYMBOL(ip_compute_csum);
-
-__wsum csum_partial_copy(const void *src, void *dst, int len, __wsum sum)
-{
- copy_from_user(dst, src, len);
- return csum_partial(dst, len, sum);
-}
-EXPORT_SYMBOL(csum_partial_copy);
-
-__wsum csum_partial_copy_nocheck(const void *src, void *dst,
- int len, __wsum sum)
-{
- sum = csum_partial(src, len, sum);
- memcpy(dst, src, len);
- return sum;
-}
-EXPORT_SYMBOL(csum_partial_copy_nocheck);
-
-__wsum csum_partial_copy_from_user(const void *src, void *dst,
- int len, __wsum sum,
- int *err_ptr)
-{
- int missing;
-
- missing = copy_from_user(dst, src, len);
- if (missing) {
- memset(dst + len - missing, 0, missing);
- *err_ptr = -EFAULT;
- }
-
- return csum_partial(dst, len, sum);
-}
-EXPORT_SYMBOL(csum_partial_copy_from_user);
-
-__wsum csum_and_copy_to_user(const void *src, void *dst,
- int len, __wsum sum,
- int *err_ptr)
-{
- int missing;
-
- missing = copy_to_user(dst, src, len);
- if (missing) {
- memset(dst + len - missing, 0, missing);
- *err_ptr = -EFAULT;
- }
-
- return csum_partial(src, len, sum);
-}
-EXPORT_SYMBOL(csum_and_copy_to_user);
diff --git a/arch/mn10300/lib/delay.c b/arch/mn10300/lib/delay.c
deleted file mode 100644
index 8e7ceb8ba33d..000000000000
--- a/arch/mn10300/lib/delay.c
+++ /dev/null
@@ -1,51 +0,0 @@
-/* MN10300 Short delay interpolation routines
- *
- * Copyright (C) 2007 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 Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-#include <linux/module.h>
-#include <linux/sched.h>
-#include <linux/delay.h>
-#include <asm/div64.h>
-
-/*
- * basic delay loop
- */
-void __delay(unsigned long loops)
-{
- int d0;
-
- asm volatile(
- " bra 1f \n"
- " .align 4 \n"
- "1: bra 2f \n"
- " .align 4 \n"
- "2: add -1,%0 \n"
- " bne 2b \n"
- : "=&d" (d0)
- : "0" (loops)
- : "cc");
-}
-EXPORT_SYMBOL(__delay);
-
-/*
- * handle a delay specified in terms of microseconds
- */
-void __udelay(unsigned long usecs)
-{
- unsigned long start, stop, cnt;
-
- /* usecs * CLK / 1E6 */
- stop = __muldiv64u(usecs, MN10300_TSCCLK, 1000000);
- start = TMTSCBC;
-
- do {
- cnt = start - TMTSCBC;
- } while (cnt < stop);
-}
-EXPORT_SYMBOL(__udelay);
diff --git a/arch/mn10300/lib/do_csum.S b/arch/mn10300/lib/do_csum.S
deleted file mode 100644
index 1d27bba0cd8f..000000000000
--- a/arch/mn10300/lib/do_csum.S
+++ /dev/null
@@ -1,157 +0,0 @@
-/* Optimised simple memory checksum
- *
- * Copyright (C) 2007 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 Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-#include <asm/cache.h>
-
- .section .text
- .balign L1_CACHE_BYTES
-
-###############################################################################
-#
-# unsigned int do_csum(const unsigned char *buff, int len)
-#
-###############################################################################
- .globl do_csum
- .type do_csum,@function
-do_csum:
- movm [d2,d3],(sp)
- mov d1,d2 # count
- mov d0,a0 # buff
- mov a0,a1
- clr d1 # accumulator
-
- cmp +0,d2
- ble do_csum_done # check for zero length or negative
-
- # 4-byte align the buffer pointer
- btst +3,a0
- beq do_csum_now_4b_aligned
-
- btst +1,a0
- beq do_csum_addr_not_odd
- movbu (a0),d0
- inc a0
- asl +8,d0
- add d0,d1
- add -1,d2
-
-do_csum_addr_not_odd:
- cmp +2,d2
- bcs do_csum_fewer_than_4
- btst +2,a0
- beq do_csum_now_4b_aligned
- movhu (a0+),d0
- add d0,d1
- add -2,d2
- cmp +4,d2
- bcs do_csum_fewer_than_4
-
-do_csum_now_4b_aligned:
- # we want to checksum as much as we can in chunks of 32 bytes
- cmp +31,d2
- bls do_csum_remainder # 4-byte aligned remainder
-
- add -32,d2
- mov +32,d3
-
-do_csum_loop:
- mov (a0+),d0
- mov (a0+),e0
- mov (a0+),e1
- mov (a0+),e3
- add d0,d1
- addc e0,d1
- addc e1,d1
- addc e3,d1
- mov (a0+),d0
- mov (a0+),e0
- mov (a0+),e1
- mov (a0+),e3
- addc d0,d1
- addc e0,d1
- addc e1,d1
- addc e3,d1
- addc +0,d1
-
- sub d3,d2
- bcc do_csum_loop
-
- add d3,d2
- beq do_csum_done
-
-do_csum_remainder:
- # cut 16-31 bytes down to 0-15
- cmp +16,d2
- bcs do_csum_fewer_than_16
- mov (a0+),d0
- mov (a0+),e0
- mov (a0+),e1
- mov (a0+),e3
- add d0,d1
- addc e0,d1
- addc e1,d1
- addc e3,d1
- addc +0,d1
- add -16,d2
- beq do_csum_done
-
-do_csum_fewer_than_16:
- # copy the remaining whole words
- cmp +4,d2
- bcs do_csum_fewer_than_4
- cmp +8,d2
- bcs do_csum_one_word
- cmp +12,d2
- bcs do_csum_two_words
- mov (a0+),d0
- add d0,d1
- addc +0,d1
-do_csum_two_words:
- mov (a0+),d0
- add d0,d1
- addc +0,d1
-do_csum_one_word:
- mov (a0+),d0
- add d0,d1
- addc +0,d1
-
-do_csum_fewer_than_4:
- and +3,d2
- beq do_csum_done
- xor_cmp d0,d0,+2,d2
- bcs do_csum_fewer_than_2
- movhu (a0+),d0
- and +1,d2
- beq do_csum_add_last_bit
-do_csum_fewer_than_2:
- movbu (a0),d3
- add d3,d0
-do_csum_add_last_bit:
- add d0,d1
- addc +0,d1
-
-do_csum_done:
- # compress the checksum down to 16 bits
- mov +0xffff0000,d0
- and d1,d0
- asl +16,d1
- add d1,d0
- addc +0xffff,d0
- lsr +16,d0
-
- # flip the halves of the word result if the buffer was oddly aligned
- and +1,a1
- beq do_csum_not_oddly_aligned
- swaph d0,d0 # exchange bits 15:8 with 7:0
-
-do_csum_not_oddly_aligned:
- ret [d2,d3],8
-
- .size do_csum, .-do_csum
diff --git a/arch/mn10300/lib/internal.h b/arch/mn10300/lib/internal.h
deleted file mode 100644
index 0014eee5f04f..000000000000
--- a/arch/mn10300/lib/internal.h
+++ /dev/null
@@ -1,15 +0,0 @@
-/* Internal definitions for the arch part of the kernel library
- *
- * Copyright (C) 2007 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 Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-
-/*
- * do_csum.S
- */
-extern unsigned int do_csum(const unsigned char *, size_t);
diff --git a/arch/mn10300/lib/lshrdi3.c b/arch/mn10300/lib/lshrdi3.c
deleted file mode 100644
index e05e64e9ce96..000000000000
--- a/arch/mn10300/lib/lshrdi3.c
+++ /dev/null
@@ -1,60 +0,0 @@
-/* lshrdi3.c extracted from gcc-2.7.2/libgcc2.c which is: */
-/* Copyright (C) 1989, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
-
-This file is part of GNU CC.
-
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public Licence as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public Licence for more details.
-
-You should have received a copy of the GNU General Public Licence
-along with GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
-
-#define BITS_PER_UNIT 8
-
-typedef int SItype __attribute__((mode(SI)));
-typedef unsigned int USItype __attribute__((mode(SI)));
-typedef int DItype __attribute__((mode(DI)));
-typedef int word_type __attribute__((mode(__word__)));
-
-struct DIstruct {
- SItype low;
- SItype high;
-};
-
-union DIunion {
- struct DIstruct s;
- DItype ll;
-};
-
-DItype __lshrdi3(DItype u, word_type b)
-{
- union DIunion w;
- word_type bm;
- union DIunion uu;
-
- if (b == 0)
- return u;
-
- uu.ll = u;
-
- bm = (sizeof(SItype) * BITS_PER_UNIT) - b;
- if (bm <= 0) {
- w.s.high = 0;
- w.s.low = (USItype) uu.s.high >> -bm;
- } else {
- USItype carries = (USItype) uu.s.high << bm;
- w.s.high = (USItype) uu.s.high >> b;
- w.s.low = ((USItype) uu.s.low >> b) | carries;
- }
-
- return w.ll;
-}
diff --git a/arch/mn10300/lib/memcpy.S b/arch/mn10300/lib/memcpy.S
deleted file mode 100644
index 25fb9bb2604f..000000000000
--- a/arch/mn10300/lib/memcpy.S
+++ /dev/null
@@ -1,135 +0,0 @@
-/* MN10300 Optimised simple memory to memory copy
- *
- * Copyright (C) 2007 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 Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-#include <asm/cache.h>
-
- .section .text
- .balign L1_CACHE_BYTES
-
-###############################################################################
-#
-# void *memcpy(void *dst, const void *src, size_t n)
-#
-###############################################################################
- .globl memcpy
- .type memcpy,@function
-memcpy:
- movm [d2,d3],(sp)
- mov d0,(12,sp)
- mov d1,(16,sp)
- mov (20,sp),d2 # count
- mov d0,a0 # dst
- mov d1,a1 # src
- mov d0,e3 # the return value
-
- cmp +0,d2
- beq memcpy_done # return if zero-length copy
-
- # see if the three parameters are all four-byte aligned
- or d0,d1,d3
- or d2,d3
- and +3,d3
- bne memcpy_1 # jump if not
-
- # we want to transfer as much as we can in chunks of 32 bytes
- cmp +31,d2
- bls memcpy_4_remainder # 4-byte aligned remainder
-
- movm [exreg1],(sp)
- add -32,d2
- mov +32,d3
-
-memcpy_4_loop:
- mov (a1+),d0
- mov (a1+),d1
- mov (a1+),e0
- mov (a1+),e1
- mov (a1+),e4
- mov (a1+),e5
- mov (a1+),e6
- mov (a1+),e7
- mov d0,(a0+)
- mov d1,(a0+)
- mov e0,(a0+)
- mov e1,(a0+)
- mov e4,(a0+)
- mov e5,(a0+)
- mov e6,(a0+)
- mov e7,(a0+)
-
- sub d3,d2
- bcc memcpy_4_loop
-
- movm (sp),[exreg1]
- add d3,d2
- beq memcpy_4_no_remainder
-
-memcpy_4_remainder:
- # cut 4-7 words down to 0-3
- cmp +16,d2
- bcs memcpy_4_three_or_fewer_words
- mov (a1+),d0
- mov (a1+),d1
- mov (a1+),e0
- mov (a1+),e1
- mov d0,(a0+)
- mov d1,(a0+)
- mov e0,(a0+)
- mov e1,(a0+)
- add -16,d2
- beq memcpy_4_no_remainder
-
- # copy the remaining 1, 2 or 3 words
-memcpy_4_three_or_fewer_words:
- cmp +8,d2
- bcs memcpy_4_one_word
- beq memcpy_4_two_words
- mov (a1+),d0
- mov d0,(a0+)
-memcpy_4_two_words:
- mov (a1+),d0
- mov d0,(a0+)
-memcpy_4_one_word:
- mov (a1+),d0
- mov d0,(a0+)
-
-memcpy_4_no_remainder:
- # check we copied the correct amount
- # TODO: REMOVE CHECK
- sub e3,a0,d2
- mov (20,sp),d1
- cmp d2,d1
- beq memcpy_done
- break
- break
- break
-
-memcpy_done:
- mov e3,a0
- ret [d2,d3],8
-
- # handle misaligned copying
-memcpy_1:
- add -1,d2
- mov +1,d3
- setlb # setlb requires the next insns
- # to occupy exactly 4 bytes
-
- sub d3,d2
- movbu (a1),d0
- movbu d0,(a0)
- add_add d3,a1,d3,a0
- lcc
-
- mov e3,a0
- ret [d2,d3],8
-
-memcpy_end:
- .size memcpy, memcpy_end-memcpy
diff --git a/arch/mn10300/lib/memmove.S b/arch/mn10300/lib/memmove.S
deleted file mode 100644
index 20b07b62b77c..000000000000
--- a/arch/mn10300/lib/memmove.S
+++ /dev/null
@@ -1,160 +0,0 @@
-/* MN10300 Optimised simple memory to memory copy, with support for overlapping
- * regions
- *
- * Copyright (C) 2007 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 Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-#include <asm/cache.h>
-
- .section .text
- .balign L1_CACHE_BYTES
-
-###############################################################################
-#
-# void *memmove(void *dst, const void *src, size_t n)
-#
-###############################################################################
- .globl memmove
- .type memmove,@function
-memmove:
- # fall back to memcpy if dst < src to work bottom up
- cmp d1,d0
- bcs memmove_memcpy
-
- # work top down
- movm [d2,d3],(sp)
- mov d0,(12,sp)
- mov d1,(16,sp)
- mov (20,sp),d2 # count
- add d0,d2,a0 # dst end
- add d1,d2,a1 # src end
- mov d0,e3 # the return value
-
- cmp +0,d2
- beq memmove_done # return if zero-length copy
-
- # see if the three parameters are all four-byte aligned
- or d0,d1,d3
- or d2,d3
- and +3,d3
- bne memmove_1 # jump if not
-
- # we want to transfer as much as we can in chunks of 32 bytes
- add -4,a1
- cmp +31,d2
- bls memmove_4_remainder # 4-byte aligned remainder
-
- add -32,d2
- mov +32,d3
-
-memmove_4_loop:
- mov (a1),d0
- sub_sub +4,a1,+4,a0
- mov d0,(a0)
- mov (a1),d1
- sub_sub +4,a1,+4,a0
- mov d1,(a0)
-
- mov (a1),d0
- sub_sub +4,a1,+4,a0
- mov d0,(a0)
- mov (a1),d1
- sub_sub +4,a1,+4,a0
- mov d1,(a0)
-
- mov (a1),d0
- sub_sub +4,a1,+4,a0
- mov d0,(a0)
- mov (a1),d1
- sub_sub +4,a1,+4,a0
- mov d1,(a0)
-
- mov (a1),d0
- sub_sub +4,a1,+4,a0
- mov d0,(a0)
- mov (a1),d1
- sub_sub +4,a1,+4,a0
- mov d1,(a0)
-
- sub d3,d2
- bcc memmove_4_loop
-
- add d3,d2
- beq memmove_4_no_remainder
-
-memmove_4_remainder:
- # cut 4-7 words down to 0-3
- cmp +16,d2
- bcs memmove_4_three_or_fewer_words
- mov (a1),d0
- sub_sub +4,a1,+4,a0
- mov d0,(a0)
- mov (a1),d1
- sub_sub +4,a1,+4,a0
- mov d1,(a0)
- mov (a1),e0
- sub_sub +4,a1,+4,a0
- mov e0,(a0)
- mov (a1),e1
- sub_sub +4,a1,+4,a0
- mov e1,(a0)
- add -16,d2
- beq memmove_4_no_remainder
-
- # copy the remaining 1, 2 or 3 words
-memmove_4_three_or_fewer_words:
- cmp +8,d2
- bcs memmove_4_one_word
- beq memmove_4_two_words
- mov (a1),d0
- sub_sub +4,a1,+4,a0
- mov d0,(a0)
-memmove_4_two_words:
- mov (a1),d0
- sub_sub +4,a1,+4,a0
- mov d0,(a0)
-memmove_4_one_word:
- mov (a1),d0
- sub_sub +4,a1,+4,a0
- mov d0,(a0)
-
-memmove_4_no_remainder:
- # check we copied the correct amount
- # TODO: REMOVE CHECK
- sub e3,a0,d2
- beq memmove_done
- break
- break
- break
-
-memmove_done:
- mov e3,a0
- ret [d2,d3],8
-
- # handle misaligned copying
-memmove_1:
- add -1,a1
- add -1,d2
- mov +1,d3
- setlb # setlb requires the next insns
- # to occupy exactly 4 bytes
-
- sub d3,d2
- movbu (a1),d0
- sub_sub d3,a1,d3,a0
- movbu d0,(a0)
- lcc
-
- mov e3,a0
- ret [d2,d3],8
-
-memmove_memcpy:
- jmp memcpy
-
-memmove_end:
- .size memmove, memmove_end-memmove
diff --git a/arch/mn10300/lib/memset.S b/arch/mn10300/lib/memset.S
deleted file mode 100644
index bc02e39629b7..000000000000
--- a/arch/mn10300/lib/memset.S
+++ /dev/null
@@ -1,121 +0,0 @@
-/* Optimised simple memory fill
- *
- * Copyright (C) 2007 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 Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-#include <asm/cache.h>
-
- .section .text
- .balign L1_CACHE_BYTES
-
-###############################################################################
-#
-# void *memset(void *dst, int c, size_t n)
-#
-###############################################################################
- .globl memset
- .type memset,@function
-memset:
- movm [d2,d3],(sp)
- mov d0,(12,sp)
- mov d1,(16,sp)
- mov (20,sp),d2 # count
- mov d0,a0 # dst
- mov d0,e3 # the return value
-
- cmp +0,d2
- beq memset_done # return if zero-length fill
-
- # see if the region parameters are four-byte aligned
- or d0,d2,d3
- and +3,d3
- bne memset_1 # jump if not
-
- extbu d1
- mov_asl d1,d3,8,d1
- or_asl d1,d3,8,d1
- or_asl d1,d3,8,d1
- or d3,d1
-
- # we want to transfer as much as we can in chunks of 32 bytes
- cmp +31,d2
- bls memset_4_remainder # 4-byte aligned remainder
-
- add -32,d2
- mov +32,d3
-
-memset_4_loop:
- mov d1,(a0+)
- mov d1,(a0+)
- mov d1,(a0+)
- mov d1,(a0+)
- mov d1,(a0+)
- mov d1,(a0+)
- mov d1,(a0+)
- mov d1,(a0+)
-
- sub d3,d2
- bcc memset_4_loop
-
- add d3,d2
- beq memset_4_no_remainder
-
-memset_4_remainder:
- # cut 4-7 words down to 0-3
- cmp +16,d2
- bcs memset_4_three_or_fewer_words
- mov d1,(a0+)
- mov d1,(a0+)
- mov d1,(a0+)
- mov d1,(a0+)
- add -16,d2
- beq memset_4_no_remainder
-
- # copy the remaining 1, 2 or 3 words
-memset_4_three_or_fewer_words:
- cmp +8,d2
- bcs memset_4_one_word
- beq memset_4_two_words
- mov d1,(a0+)
-memset_4_two_words:
- mov d1,(a0+)
-memset_4_one_word:
- mov d1,(a0+)
-
-memset_4_no_remainder:
- # check we set the correct amount
- # TODO: REMOVE CHECK
- sub e3,a0,d2
- mov (20,sp),d1
- cmp d2,d1
- beq memset_done
- break
- break
- break
-
-memset_done:
- mov e3,a0
- ret [d2,d3],8
-
- # handle misaligned copying
-memset_1:
- add -1,d2
- mov +1,d3
- setlb # setlb requires the next insns
- # to occupy exactly 4 bytes
-
- sub d3,d2
- movbu d1,(a0)
- inc a0
- lcc
-
- mov e3,a0
- ret [d2,d3],8
-
-memset_end:
- .size memset, memset_end-memset
diff --git a/arch/mn10300/lib/negdi2.c b/arch/mn10300/lib/negdi2.c
deleted file mode 100644
index eae4ecdd5f69..000000000000
--- a/arch/mn10300/lib/negdi2.c
+++ /dev/null
@@ -1,57 +0,0 @@
-/* More subroutines needed by GCC output code on some machines. */
-/* Compile this one with gcc. */
-/* Copyright (C) 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001 Free Software Foundation, Inc.
-
-This file is part of GNU CC.
-
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public Licence as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-In addition to the permissions in the GNU General Public Licence, the
-Free Software Foundation gives you unlimited permission to link the
-compiled version of this file into combinations with other programs,
-and to distribute those combinations without any restriction coming
-from the use of this file. (The General Public Licence restrictions
-do apply in other respects; for example, they cover modification of
-the file, and distribution when not linked into a combine
-executable.)
-
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public Licence for more details.
-
-You should have received a copy of the GNU General Public Licence
-along with GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
-
-/* It is incorrect to include config.h here, because this file is being
- compiled for the target, and hence definitions concerning only the host
- do not apply. */
-
-#include <linux/types.h>
-
-union DWunion {
- s64 ll;
- struct {
- s32 low;
- s32 high;
- } s;
-};
-
-s64 __negdi2(s64 u)
-{
- union DWunion w;
- union DWunion uu;
-
- uu.ll = u;
-
- w.s.low = -uu.s.low;
- w.s.high = -uu.s.high - ((u32) w.s.low > 0);
-
- return w.ll;
-}
diff --git a/arch/mn10300/lib/usercopy.c b/arch/mn10300/lib/usercopy.c
deleted file mode 100644
index 39626912de98..000000000000
--- a/arch/mn10300/lib/usercopy.c
+++ /dev/null
@@ -1,142 +0,0 @@
-/* MN10300 Userspace accessor functions
- *
- * Copyright (C) 2007 Matsushita Electric Industrial Co., Ltd.
- * Copyright (C) 2007 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 Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-#include <linux/uaccess.h>
-
-/*
- * Copy a null terminated string from userspace.
- */
-#define __do_strncpy_from_user(dst, src, count, res) \
-do { \
- int w; \
- asm volatile( \
- " mov %1,%0\n" \
- " cmp 0,%1\n" \
- " beq 2f\n" \
- "0:\n" \
- " movbu (%5),%2\n" \
- "1:\n" \
- " movbu %2,(%6)\n" \
- " inc %5\n" \
- " inc %6\n" \
- " cmp 0,%2\n" \
- " beq 2f\n" \
- " add -1,%1\n" \
- " bne 0b\n" \
- "2:\n" \
- " sub %1,%0\n" \
- "3:\n" \
- " .section .fixup,\"ax\"\n" \
- "4:\n" \
- " mov %3,%0\n" \
- " jmp 3b\n" \
- " .previous\n" \
- " .section __ex_table,\"a\"\n" \
- " .balign 4\n" \
- " .long 0b,4b\n" \
- " .long 1b,4b\n" \
- " .previous" \
- :"=&r"(res), "=r"(count), "=&r"(w) \
- :"i"(-EFAULT), "1"(count), "a"(src), "a"(dst) \
- : "memory", "cc"); \
-} while (0)
-
-long
-strncpy_from_user(char *dst, const char *src, long count)
-{
- long res = -EFAULT;
- if (access_ok(VERIFY_READ, src, 1))
- __do_strncpy_from_user(dst, src, count, res);
- return res;
-}
-
-
-/*
- * Clear a userspace memory
- */
-#define __do_clear_user(addr, size) \
-do { \
- int w; \
- asm volatile( \
- " cmp 0,%0\n" \
- " beq 1f\n" \
- " clr %1\n" \
- "0: movbu %1,(%3,%2)\n" \
- " inc %3\n" \
- " cmp %0,%3\n" \
- " bne 0b\n" \
- "1:\n" \
- " sub %3,%0\n" \
- "2:\n" \
- ".section .fixup,\"ax\"\n" \
- "3: jmp 2b\n" \
- ".previous\n" \
- ".section __ex_table,\"a\"\n" \
- " .balign 4\n" \
- " .long 0b,3b\n" \
- ".previous\n" \
- : "+r"(size), "=&r"(w) \
- : "a"(addr), "d"(0) \
- : "memory", "cc"); \
-} while (0)
-
-unsigned long
-__clear_user(void *to, unsigned long n)
-{
- __do_clear_user(to, n);
- return n;
-}
-
-unsigned long
-clear_user(void *to, unsigned long n)
-{
- if (access_ok(VERIFY_WRITE, to, n))
- __do_clear_user(to, n);
- return n;
-}
-
-/*
- * Return the size of a string (including the ending 0)
- *
- * Return 0 on exception, a value greater than N if too long
- */
-long strnlen_user(const char *s, long n)
-{
- unsigned long res, w;
-
- if (!__addr_ok(s))
- return 0;
-
- if (n < 0 || n + (u_long) s > current_thread_info()->addr_limit.seg)
- n = current_thread_info()->addr_limit.seg - (u_long)s;
-
- asm volatile(
- "0: cmp %4,%0\n"
- " beq 2f\n"
- "1: movbu (%0,%3),%1\n"
- " inc %0\n"
- " cmp 0,%1\n"
- " beq 3f\n"
- " bra 0b\n"
- "2: clr %0\n"
- "3:\n"
- ".section .fixup,\"ax\"\n"
- "4: jmp 2b\n"
- ".previous\n"
- ".section __ex_table,\"a\"\n"
- " .balign 4\n"
- " .long 1b,4b\n"
- ".previous\n"
- :"=d"(res), "=&r"(w)
- :"0"(0), "a"(s), "r"(n)
- : "memory", "cc");
- return res;
-}