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author | Guenter Roeck <linux@roeck-us.net> | 2013-08-30 15:01:49 +0200 |
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committer | Guenter Roeck <linux@roeck-us.net> | 2013-09-17 03:19:04 +0200 |
commit | 4b08478422040ae8cb11acc15d51f1cdb0ac39c8 (patch) | |
tree | 79718cea7b73f175d64e4c2073ea2585a7bd2337 /arch/h8300/lib | |
parent | Linux 3.12-rc1 (diff) | |
download | linux-4b08478422040ae8cb11acc15d51f1cdb0ac39c8.tar.xz linux-4b08478422040ae8cb11acc15d51f1cdb0ac39c8.zip |
Drop support for Renesas H8/300 (h8300) architecture
H8/300 has been dead for several years, and the kernel for it
has not compiled for ages. Drop support for it.
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'arch/h8300/lib')
-rw-r--r-- | arch/h8300/lib/Makefile | 5 | ||||
-rw-r--r-- | arch/h8300/lib/abs.S | 21 | ||||
-rw-r--r-- | arch/h8300/lib/ashrdi3.c | 63 | ||||
-rw-r--r-- | arch/h8300/lib/checksum.c | 164 | ||||
-rw-r--r-- | arch/h8300/lib/memcpy.S | 84 | ||||
-rw-r--r-- | arch/h8300/lib/memset.S | 61 | ||||
-rw-r--r-- | arch/h8300/lib/romfs.S | 57 |
7 files changed, 0 insertions, 455 deletions
diff --git a/arch/h8300/lib/Makefile b/arch/h8300/lib/Makefile deleted file mode 100644 index 1577f5075b10..000000000000 --- a/arch/h8300/lib/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -# -# Makefile for H8/300-specific library files.. -# - -lib-y = ashrdi3.o checksum.o memcpy.o memset.o abs.o romfs.o diff --git a/arch/h8300/lib/abs.S b/arch/h8300/lib/abs.S deleted file mode 100644 index ddd1fb3d01ad..000000000000 --- a/arch/h8300/lib/abs.S +++ /dev/null @@ -1,21 +0,0 @@ -;;; abs.S - -#include <asm/linkage.h> - -#if defined(__H8300H__) - .h8300h -#endif -#if defined(__H8300S__) - .h8300s -#endif - .text -.global _abs - -;;; int abs(int n) -_abs: - mov.l er0,er0 - bpl 1f - neg.l er0 -1: - rts - diff --git a/arch/h8300/lib/ashrdi3.c b/arch/h8300/lib/ashrdi3.c deleted file mode 100644 index 78efb65e315a..000000000000 --- a/arch/h8300/lib/ashrdi3.c +++ /dev/null @@ -1,63 +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 License 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 License for more details. - -You should have received a copy of the GNU General Public License -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 high, low;}; - -typedef union -{ - struct DIstruct s; - DItype ll; -} DIunion; - -DItype -__ashrdi3 (DItype u, word_type b) -{ - DIunion w; - word_type bm; - DIunion uu; - - 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/h8300/lib/checksum.c b/arch/h8300/lib/checksum.c deleted file mode 100644 index bdc5b032acd6..000000000000 --- a/arch/h8300/lib/checksum.c +++ /dev/null @@ -1,164 +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; -} - -/* - * This is a version of ip_compute_csum() optimized for IP headers, - * which always checksum on 4 octet boundaries. - */ -__sum16 ip_fast_csum(const void *iph, unsigned int ihl) -{ - return (__force __sum16)~do_csum(iph,ihl*4); -} - -/* - * 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 - */ -/* - * Egads... That thing apparently assumes that *all* checksums it ever sees will - * be folded. Very likely a bug. - */ -__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; - /* 16+c bits -> 16 bits */ - result = (result & 0xffff) + (result >> 16); - 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); -} - -/* - * 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) -{ - if (csum_err) *csum_err = 0; - memcpy(dst, (__force const void *)src, len); - return csum_partial(dst, len, sum); -} - -/* - * 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); -} diff --git a/arch/h8300/lib/memcpy.S b/arch/h8300/lib/memcpy.S deleted file mode 100644 index cad325e2c0e8..000000000000 --- a/arch/h8300/lib/memcpy.S +++ /dev/null @@ -1,84 +0,0 @@ -;;; memcpy.S - -#include <asm/linkage.h> - -#if defined(__H8300H__) - .h8300h -#endif -#if defined(__H8300S__) - .h8300s -#endif - - .text -.global _memcpy - -;;; void *memcpy(void *to, void *from, size_t n) -_memcpy: - mov.l er2,er2 - bne 1f - rts -1: - ;; address check - bld #0,r0l - bxor #0,r1l - bcs 4f - mov.l er4,@-sp - mov.l er0,@-sp - btst #0,r0l - beq 1f - ;; (aligned even) odd address - mov.b @er1,r3l - mov.b r3l,@er0 - adds #1,er1 - adds #1,er0 - dec.l #1,er2 - beq 3f -1: - ;; n < sizeof(unsigned long) check - sub.l er4,er4 - adds #4,er4 ; loop count check value - cmp.l er4,er2 - blo 2f - ;; unsigned long copy -1: - mov.l @er1,er3 - mov.l er3,@er0 - adds #4,er0 - adds #4,er1 - subs #4,er2 - cmp.l er4,er2 - bcc 1b - ;; rest -2: - mov.l er2,er2 - beq 3f -1: - mov.b @er1,r3l - mov.b r3l,@er0 - adds #1,er1 - adds #1,er0 - dec.l #1,er2 - bne 1b -3: - mov.l @sp+,er0 - mov.l @sp+,er4 - rts - - ;; odd <- even / even <- odd -4: - mov.l er4,er3 - mov.l er2,er4 - mov.l er5,er2 - mov.l er1,er5 - mov.l er6,er1 - mov.l er0,er6 -1: - eepmov.w - mov.w r4,r4 - bne 1b - dec.w #1,e4 - bpl 1b - mov.l er1,er6 - mov.l er2,er5 - mov.l er3,er4 - rts diff --git a/arch/h8300/lib/memset.S b/arch/h8300/lib/memset.S deleted file mode 100644 index 4549a64c5b79..000000000000 --- a/arch/h8300/lib/memset.S +++ /dev/null @@ -1,61 +0,0 @@ -/* memset.S */ - -#include <asm/linkage.h> - -#if defined(__H8300H__) - .h8300h -#endif -#if defined(__H8300S__) - .h8300s -#endif - .text - -.global _memset - -;;void *memset(*ptr, int c, size_t count) -;; ptr = er0 -;; c = er1(r1l) -;; count = er2 -_memset: - btst #0,r0l - beq 2f - - ;; odd address -1: - mov.b r1l,@er0 - adds #1,er0 - dec.l #1,er2 - beq 6f - - ;; even address -2: - mov.l er2,er3 - cmp.l #4,er2 - blo 4f - ;; count>=4 -> count/4 -#if defined(__H8300H__) - shlr.l er2 - shlr.l er2 -#endif -#if defined(__H8300S__) - shlr.l #2,er2 -#endif - ;; byte -> long - mov.b r1l,r1h - mov.w r1,e1 -3: - mov.l er1,@er0 - adds #4,er0 - dec.l #1,er2 - bne 3b -4: - ;; count % 4 - and.b #3,r3l - beq 6f -5: - mov.b r1l,@er0 - adds #1,er0 - dec.b r3l - bne 5b -6: - rts diff --git a/arch/h8300/lib/romfs.S b/arch/h8300/lib/romfs.S deleted file mode 100644 index 68910d8e1ff4..000000000000 --- a/arch/h8300/lib/romfs.S +++ /dev/null @@ -1,57 +0,0 @@ -/* romfs move to __ebss */ - -#include <asm/linkage.h> - -#if defined(__H8300H__) - .h8300h -#endif -#if defined(__H8300S__) - .h8300s -#endif - -#define BLKOFFSET 512 - - .text -.globl __move_romfs -_romfs_sig_len = 8 - -__move_romfs: - mov.l #__sbss,er0 - mov.l #_romfs_sig,er1 - mov.b #_romfs_sig_len,r3l -1: /* check romfs image */ - mov.b @er0+,r2l - mov.b @er1+,r2h - cmp.b r2l,r2h - bne 2f - dec.b r3l - bne 1b - - /* find romfs image */ - mov.l @__sbss+8,er0 /* romfs length(be) */ - mov.l #__sbss,er1 - add.l er0,er1 /* romfs image end */ - mov.l #__ebss,er2 - add.l er0,er2 /* distination address */ -#if defined(CONFIG_INTELFLASH) - add.l #BLKOFFSET,er2 -#endif - adds #2,er0 - adds #1,er0 - shlr er0 - shlr er0 /* transfer length */ -1: - mov.l @er1,er3 /* copy image */ - mov.l er3,@er2 - subs #4,er1 - subs #4,er2 - dec.l #1,er0 - bpl 1b -2: - rts - - .section .rodata -_romfs_sig: - .ascii "-rom1fs-" - - .end |