diff options
Diffstat (limited to 'newlib/libc/machine/hppa')
| -rw-r--r-- | newlib/libc/machine/hppa/DEFS.h | 160 | ||||
| -rw-r--r-- | newlib/libc/machine/hppa/Makefile.am | 14 | ||||
| -rw-r--r-- | newlib/libc/machine/hppa/Makefile.in | 331 | ||||
| -rw-r--r-- | newlib/libc/machine/hppa/aclocal.m4 | 324 | ||||
| -rwxr-xr-x | newlib/libc/machine/hppa/configure | 1863 | ||||
| -rw-r--r-- | newlib/libc/machine/hppa/configure.in | 12 | ||||
| -rw-r--r-- | newlib/libc/machine/hppa/memchr.S | 48 | ||||
| -rw-r--r-- | newlib/libc/machine/hppa/memcmp.S | 183 | ||||
| -rw-r--r-- | newlib/libc/machine/hppa/memcpy.S | 146 | ||||
| -rw-r--r-- | newlib/libc/machine/hppa/memset.S | 85 | ||||
| -rw-r--r-- | newlib/libc/machine/hppa/pcc_prefix.s | 389 | ||||
| -rw-r--r-- | newlib/libc/machine/hppa/setjmp.S | 139 | ||||
| -rw-r--r-- | newlib/libc/machine/hppa/strcat.S | 178 | ||||
| -rw-r--r-- | newlib/libc/machine/hppa/strcmp.S | 282 | ||||
| -rw-r--r-- | newlib/libc/machine/hppa/strcpy.S | 285 | ||||
| -rw-r--r-- | newlib/libc/machine/hppa/strlen.S | 79 | ||||
| -rw-r--r-- | newlib/libc/machine/hppa/strncat.S | 238 | ||||
| -rw-r--r-- | newlib/libc/machine/hppa/strncmp.S | 189 | ||||
| -rw-r--r-- | newlib/libc/machine/hppa/strncpy.S | 256 |
19 files changed, 0 insertions, 5201 deletions
diff --git a/newlib/libc/machine/hppa/DEFS.h b/newlib/libc/machine/hppa/DEFS.h deleted file mode 100644 index 9c0aa1e06..000000000 --- a/newlib/libc/machine/hppa/DEFS.h +++ /dev/null @@ -1,160 +0,0 @@ -/* - * Copyright (c) 1990 The Regents of the University of California. - * All rights reserved. - * - * Redistribution and use in source and binary forms are permitted - * provided that the above copyright notice and this paragraph are - * duplicated in all such forms and that any documentation, - * advertising materials, and other materials related to such - * distribution and use acknowledge that the software was developed - * by the University of California, Berkeley. The name of the - * University may not be used to endorse or promote products derived - * from this software without specific prior written permission. - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. - */ - -#include "pcc_prefix.s" - -#define BLANK -#define BANNER(str) BLANK .VERSION str -#define ENTRY(Name) BLANK M_ENTRY (Name,PROF_/**/Name) -#define ENTRYC(Name) BLANK M_ENTRYC(Name,PROF_/**/Name) -#define EXIT(Name) BLANK M_EXIT (Name,PROF_/**/Name) -#define EXITC(Name) BLANK M_EXITC (Name,PROF_/**/Name) - -#ifdef PROF - -; -; All four argument registers are saved into caller save registers -; and restored after the call to _mcount. This is possible because -; the mcount routine does not modify them, so we can. Mcount takes -; 3 arguments; the first argument is the incoming 'rp', the second -; is the starting address of the profiled routine, and the third is -; the address of the PROF label (which is where mcount stores the -; profile data). -; -#define M_ENTRY(name,prof) \ - .SPACE $TEXT$ !\ - .SUBSPA $CODE$ !\ - .label name !\ - .PROC !\ - .CALLINFO CALLER,SAVE_RP !\ - .ENTRY !\ - stw rp,-20(sp) !\ - ldo 48(sp),sp !\ - or arg0,r0,r19 !\ - or arg1,r0,r20 !\ - or arg2,r0,r21 !\ - or arg3,r0,r22 !\ - or rp,r0,arg0 !\ - ldil L%name,r1 !\ - ldo R%name(r1),arg1 !\ - addil L%prof-$global$,dp !\ - bl _mcount,rp !\ - ldo R%prof-$global$(r1),arg2 !\ - ldw -68(sp),rp !\ - ldo -48(sp),sp !\ - or r19,r0,arg0 !\ - or r20,r0,arg1 !\ - or r21,r0,arg2 !\ - or r22,r0,arg3 !\ - - -#define M_ENTRYC(name,prof) \ - .SPACE $TEXT$ !\ - .SUBSPA $CODE$ !\ - .label name !\ - .PROC !\ - .CALLINFO CALLER,SAVE_RP !\ - .ENTRY !\ - stw rp,-20(sp) !\ - ldo 128(sp),sp !\ - or arg0,r0,r19 !\ - or arg1,r0,r20 !\ - or arg2,r0,r21 !\ - or arg3,r0,r22 !\ - or rp,r0,arg0 !\ - ldil L%name,r1 !\ - ldo R%name(r1),arg1 !\ - addil L%prof-$global$,dp !\ - bl _mcount,rp !\ - ldo R%prof-$global$(r1),arg2 !\ - ldw -148(sp),rp !\ - or r19,r0,arg0 !\ - or r20,r0,arg1 !\ - or r21,r0,arg2 !\ - or r22,r0,arg3 !\ - -; -; The HPUX profiler uses a word for each entrypoint to store the profiling -; information. The setup code passes the address to the _mcount routine. -; The EXIT macro defines a label (PROF_foo), and a word of storage. -; -#define M_EXIT(name,prof) \ - bv,n r0(rp) !\ - .EXIT !\ - .PROCEND !\ - .EXPORT name,ENTRY !\ - .SPACE $PRIVATE$ !\ - .SUBSPA $DATA$ !\ - .label prof !\ - .WORD 0 !\ - .IMPORT $global$,DATA !\ - .IMPORT _mcount,CODE - -#define M_EXITC(name,prof) \ - bv r0(rp) !\ - ldo -128(sp),sp !\ - .EXIT !\ - .PROCEND !\ - .EXPORT name,ENTRY !\ - .SPACE $PRIVATE$ !\ - .SUBSPA $DATA$ !\ - .label prof !\ - .WORD 0 !\ - .IMPORT $global$,DATA !\ - .IMPORT _mcount,CODE - -#else /* NOT profiling */ - -#define M_ENTRY(name,prof) \ - .SPACE $TEXT$ !\ - .SUBSPA $CODE$ !\ - .label name !\ - .PROC !\ - .CALLINFO !\ - .ENTRY - -#define M_ENTRYC(name,prof) \ - .SPACE $TEXT$ !\ - .SUBSPA $CODE$ !\ - .label name !\ - .PROC !\ - .CALLINFO CALLER,SAVE_RP !\ - .ENTRY !\ - stw rp,-20(sp) !\ - ldo 128(sp),sp - -#define M_EXIT(name,prof) \ - bv,n r0(rp) !\ - .EXIT !\ - .PROCEND !\ - .EXPORT name,ENTRY - -#define M_EXITC(name,prof) \ - ldw -148(sp),rp !\ - bv r0(rp) !\ - ldo -128(sp),sp !\ - .EXIT !\ - .PROCEND !\ - .EXPORT name,ENTRY - -#define ENTRY(Name) BLANK M_ENTRY (Name,PROF_/**/Name) -#define ENTRYC(Name) BLANK M_ENTRYC(Name,PROF_/**/Name) -#define EXIT(Name) BLANK M_EXIT (Name,PROF_/**/Name) -#define EXITC(Name) BLANK M_EXITC (Name,PROF_/**/Name) - - -#endif diff --git a/newlib/libc/machine/hppa/Makefile.am b/newlib/libc/machine/hppa/Makefile.am deleted file mode 100644 index 413cd722a..000000000 --- a/newlib/libc/machine/hppa/Makefile.am +++ /dev/null @@ -1,14 +0,0 @@ -## Process this file with automake to generate Makefile.in - -AUTOMAKE_OPTIONS = cygnus - -INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS) - -noinst_LIBRARIES = lib.a - -lib_a_SOURCES = \ - memchr.S memcmp.S memcpy.S memset.S setjmp.S strcat.S strcmp.S \ - strcpy.S strlen.S strncat.S strncmp.S strncpy.S - -ACLOCAL_AMFLAGS = -I ../../.. -CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host diff --git a/newlib/libc/machine/hppa/Makefile.in b/newlib/libc/machine/hppa/Makefile.in deleted file mode 100644 index b53e5b736..000000000 --- a/newlib/libc/machine/hppa/Makefile.in +++ /dev/null @@ -1,331 +0,0 @@ -# Makefile.in generated automatically by automake 1.4 from Makefile.am - -# Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc. -# This Makefile.in is free software; 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-dnl Can't be done in NEWLIB_CONFIGURE because that confuses automake. -AC_CONFIG_AUX_DIR(../../../..) - -NEWLIB_CONFIGURE(../../..) - -AC_OUTPUT(Makefile) diff --git a/newlib/libc/machine/hppa/memchr.S b/newlib/libc/machine/hppa/memchr.S deleted file mode 100644 index 1cca3e5e8..000000000 --- a/newlib/libc/machine/hppa/memchr.S +++ /dev/null @@ -1,48 +0,0 @@ -/* - * (c) Copyright 1986 HEWLETT-PACKARD COMPANY - * - * To anyone who acknowledges that this file is provided "AS IS" - * without any express or implied warranty: - * permission to use, copy, modify, and distribute this file - * for any purpose is hereby granted without fee, provided that - * the above copyright notice and this notice appears in all - * copies, and that the name of Hewlett-Packard Company not be - * used in advertising or publicity pertaining to distribution - * of the software without specific, written prior permission. - * Hewlett-Packard Company makes no representations about the - * suitability of this software for any purpose. - */ - -/* SPECTRUM_ID: @(#)memchr.s 37.4 86/04/23 */ -/* - * memchr(s, c, n) - * - * returns pointer to first occurrence of char c - * in first n characters of memory area s, - * or null if c does not occur. - */ - -#include "DEFS.h" - -#define FROM arg0 -#define CHAR arg1 -#define COUNT arg2 -#define TEMP1 r19 - -ENTRY(memchr) - comb,<= COUNT,r0,memchrexit /* return if count is zero */ - copy r0,ret0 /* null if c not found in n chars */ - depi 0,23,24,CHAR /* make char unsigned */ - - ldbs,ma 1(FROM),TEMP1 -memchrloop: - comb,=,n TEMP1,CHAR,memchrequal - addib,<> -1,COUNT,memchrloop - ldbs,ma 1(FROM),TEMP1 - b,n memchrexit - -memchrequal: - ldo -1(FROM),ret0 - -memchrexit: -EXIT(memchr) diff --git a/newlib/libc/machine/hppa/memcmp.S b/newlib/libc/machine/hppa/memcmp.S deleted file mode 100644 index babb20761..000000000 --- a/newlib/libc/machine/hppa/memcmp.S +++ /dev/null @@ -1,183 +0,0 @@ -/* - * (c) Copyright 1986 HEWLETT-PACKARD COMPANY - * - * To anyone who acknowledges that this file is provided "AS IS" - * without any express or implied warranty: - * permission to use, copy, modify, and distribute this file - * for any purpose is hereby granted without fee, provided that - * the above copyright notice and this notice appears in all - * copies, and that the name of Hewlett-Packard Company not be - * used in advertising or publicity pertaining to distribution - * of the software without specific, written prior permission. - * Hewlett-Packard Company makes no representations about the - * suitability of this software for any purpose. - */ - -/* memcmp(s1, s2, n) */ -/* returns integer: < 0 iff s1 lexicographically less than s2 */ -/* > 0 iff s1 lexicographically greater than s2 */ -/* = 0 iff s1 lexicographically equal to s2 */ -/* = 0 iff s1 lexicographically equal to s2 */ -/* quit after n charachters */ -#ifndef _NAMESPACE_CLEAN -#define NOSECDEF /* prevents _memcmp from becoming primary entry */ -#endif - -#include "DEFS.h" - -#define s1 26 -#define s2 25 -#define tmp1 19 -#define s2word 20 -#define tmp3 21 -#define tmp7 22 -#define s1word 29 -#define save 1 -#define tmp6 23 -#define tmp5 28 -#define count 24 - -ENTRY(memcmp) - combt,<,n r0,count,search /*N <= 0 yields equality */ - b done /**/ - copy 0,ret0 /*return 0 (DELAY SLOT) */ -search: combf,=,n s1,s2,findout /*s1 != s2? */ - b done - copy 0,ret0 /*return 0 (delay slot) */ -findout: - comibf,=,n 0,s1,checks1 /*s1 == NULL? */ - ldbs 0(0,s2),ret0 /**/ - b done /*quit */ - sub 0,ret0,ret0 /*ret0 <- -*s2 */ -checks1: - comibf,=,n 0,s2,checkitout /*s2 == NULL? */ - b done /* quit */ - ldbs 0(0,s1),28 /* return *s1 */ - -checkitout: - extru s2,31,2,tmp1 /* Extract the low two bits of the s2. */ - extru s1,31,2,tmp5 /* Extract the low two bits of the s1 */ - sub,= tmp5,tmp1,tmp3 /* Are s1 & s2 aligned with each other? */ - b not_aligned /* It's more complicated (not_aligned) */ - dep 0,31,2,s1 /* Compute word address of s1 (DELAY SLOT) */ - dep 0,31,2,s2 /* Compute word address of s2 */ - ldwm 4(0,s1),s1word /* get next s1 word s1+=4 */ - combt,= tmp5,r0,skipmask /* skip masking, if we can */ - ldwm 4(0,s2),s2word /* get next s2 word s2+=4 (DELAY SLOT) */ - add tmp5,count,count /* bump count by the number of bytes */ - /* we are going to mask */ - sh3add tmp5,r0,save /* save now has number of bits to mask */ - mtctl save,11 - zvdepi -2,32,save /* load save with proper mask */ - or save,s1word,s1word /* mask s1word (s1) */ - or save,s2word,s2word /* mask s2word (s2) */ - - -skipmask: - combt,=,n s1word,s2word,checkN /* We may be done */ - -checkbyte: - extru s1word,7,8,tmp3 /* get first byte (character) */ -ckbyte2: extru s2word,7,8,tmp7 /* get first byte (character) */ - combf,= tmp3,tmp7,done /* quit if first byte is not equal */ - sub tmp3,tmp7,ret0 /* return difference (delay slot) */ - addibt,<=,n -1,count,done /* have we checked N chars? ret0 == 0 */ - extru s1word,15,8,tmp3 /* get second byte (character) */ - extru s2word,15,8,tmp7 /* get second byte (character) */ - combf,= tmp3,tmp7,done /* quit if second byte is not equal */ - sub tmp3,tmp7,ret0 /* return difference (delay slot) */ - addibt,<=,n -1,count,done /* have we checked N chars? */ - extru s1word,23,8,tmp3 /* get third byte (character) */ - extru s2word,23,8,tmp7 /* get third byte (character) */ - combf,= tmp3,tmp7,done /* done if third byte is not equal */ - sub tmp3,tmp7,ret0 /* return difference (delay slot) */ - addibt,<=,n -1,count,done /* have we checked N chars? */ - extru s1word,31,8,tmp3 /* get last byte (character) */ - extru s2word,31,8,tmp7 /* get last byte (character) */ - b done /* if we reach this point we know that */ - sub tmp3,tmp7,ret0 /* the last character in the word is */ - /* where the difference is, so return */ - /* the difference and we're outta here */ - - -checkN: - addibt,<=,n -4,count,zero /* have we checked N chars? */ - ldwm 4(0,s2),s2word /* get next s2 word s2+=4 */ - b skipmask /* keep checking */ - ldwm 4(0,s1),s1word /* get next s1 word s1+=4 */ - - -not_aligned: - dep r0,31,2,s2 /* Compute word address of s2 */ - combt,<,n r0,tmp3,shifts1 /* Do we shift s1 or s2 */ - sh3add tmp3,r0,tmp3 /* eight bits per byte so mul by 8 */ - ldwm 4(0,s1),s1word /* get first word of s1 */ - ldwm 4(0,s2),s2word /* get first word or s2 */ - combt,=,n r0,tmp5,masks2 /* Do we need to mask beginning of s1 */ - add tmp5,count,count /* bump count by the number of bytes */ - /* we are going to mask */ - sh3add tmp5,r0,save /* save now has number of bits to mask */ - mtctl save,11 - zvdepi -2,32,save /* load save with proper mask */ - or save,s1word,s1word /**/ -masks2: sh3add tmp1,r0,save /* save now has number of bits to mask */ - mtctl save,11 - zvdepi -2,32,save /* load save with proper mask */ - or save,s2word,s2word /**/ - subi 4,tmp1,tmp1 /* tmp1 now has the number of byte that */ - /* are valid in s2word before the vshd */ - mtctl tmp3,11 /* Move shift amount to CR11 */ -more: combt,<=,n count,tmp1,chunk1 /* Can we do the vshd? */ - ldwm 4(0,s2),tmp7 /* load second word to enable us to shift */ - vshd s2word,tmp7,s2word /**/ - combf,=,n s1word,s2word,ckbyte2 /**/ - extru s1word,7,8,tmp3 /* get first byte (DELAY SLOT) */ - addibt,<=,n -4,count,zero /* have we checked N chars? */ - copy tmp7,s2word /**/ - b more /* keep checking */ - ldwm 4(0,s1),s1word /* get next s1 (DELAY SLOT) */ - -chunk1: - vshd s2word,r0,s2word /* do an arithmetic shift left to position data */ - b ckbyte2 /**/ - extru s1word,7,8,tmp3 /**/ - - -shifts1: - sh3add tmp3,r0,tmp3 /* eight bits per byte so mul by 8 */ - sub r0,tmp3,tmp3 /* Get negative value for left shift */ - dep r0,31,2,s2 /* Compute word address of s2 */ - ldwm 4(0,s2),s2word /* get first word of s2 */ - ldwm 4(0,s1),s1word /* get first word or s1 */ - combt,=,n r0,tmp1,masks1 /*Do we need to mask beginning of s2 */ - add tmp1,count,count /*bump count by the number of bytes */ - /* we are going to mask */ - sh3add tmp1,r0,save /*save now has number of bits to mask */ - mtctl save,11 - zvdepi -2,32,save /*load save with proper mask */ - or save,s2word,s2word /**/ -masks1: sh3add tmp5,r0,save /*save now has number of bits to mask */ - mtctl save,11 - zvdepi -2,32,save /*load save with proper mask */ - or save,s1word,s1word /**/ - subi 4,tmp5,tmp5 /*tmp5 now has the number of byte that */ - /*are valid in s1word before the vshd */ - mtctl tmp3,11 /*Move shift amount to CR11 */ -more1: combt,<=,n count,tmp5,chunk2 /*Can we do the vshd? */ - ldwm 4(0,s1),tmp7 /*load second word to enable us to shift */ - vshd s1word,tmp7,s1word /**/ - combf,=,n s2word,s1word,ckbyte2 /**/ - extru s1word,7,8,tmp3 /*get first byte (DELAY SLOT) */ - addibt,<=,n -4,count,zero /*have we checked N chars? */ - copy tmp7,s1word /**/ - b more1 /*keep checking */ - ldwm 4(0,s2),s2word /*get next s2 (DELAY SLOT) */ - -chunk2: - vshd s1word,r0,s1word /**/ - b ckbyte2 /**/ - extru s1word,7,8,tmp3 /**/ - -zero: copy r0,ret0 -done: -EXIT(memcmp) diff --git a/newlib/libc/machine/hppa/memcpy.S b/newlib/libc/machine/hppa/memcpy.S deleted file mode 100644 index 713c1c11b..000000000 --- a/newlib/libc/machine/hppa/memcpy.S +++ /dev/null @@ -1,146 +0,0 @@ -/* - * (c) Copyright 1986 HEWLETT-PACKARD COMPANY - * - * To anyone who acknowledges that this file is provided "AS IS" - * without any express or implied warranty: - * permission to use, copy, modify, and distribute this file - * for any purpose is hereby granted without fee, provided that - * the above copyright notice and this notice appears in all - * copies, and that the name of Hewlett-Packard Company not be - * used in advertising or publicity pertaining to distribution - * of the software without specific, written prior permission. - * Hewlett-Packard Company makes no representations about the - * suitability of this software for any purpose. - */ - -/* HPUX_ID: @(#) $Revision$ */ -/* - * memcpy(s1, s2, n) - * - * Copy n characters from s2 to s1; returns s1. - */ - -#define d_addr arg0 -#define s_addr arg1 -#define count arg2 -#define tmp5 arg3 -#define tmp1 r19 -#define tmp2 r20 -#define tmp3 r21 -#define tmp4 r22 -#define tmp6 r31 - -#include "DEFS.h" - -ENTRY(memcpy) - comib,>= 5,count,byteloop /* If count is <= 6 don't get fancy.*/ - movb,=,n d_addr,ret0,done /* The return value is defined to be the value of d_addr. DELAY SLOT */ - /* if d_addr is null then exit */ - extru s_addr,31,2,tmp1 /* Extract the low two bits of the source address. */ - extru d_addr,31,2,tmp2 /* Extract the low two bits of the destination address. */ - add count,tmp2,count /* pre increment the count to adjust for alignment of s1 */ - comb,<> tmp2,tmp1,not_aligned /* see if s1 is aligned w.r.t. s2. */ - dep 0,31,2,s_addr /* Compute the word address of the source. DELAY SLOT. */ - -/* aligned */ - -/* We will now begin the 16 byte at a time word move if count >= 16 ! */ -/* Else we will branch to the 4 byte-at-a time word move ! */ - - addibt,<,n -16,count,chekchunk /* If count < 16 then we can't move 16 byte chunks ! */ - /* actually we can legally move 13 or more bytes on the first loop. */ - /* These loads and stores are done so as to prevent processor interlock. */ -chunks: - ldwm 16(0,s_addr),tmp1 /* tmp1 = *s_addr s_addr += 16 */ - ldw -12(0,s_addr),tmp2 /* tmp2 = 2nd word */ - ldw -8(0,s_addr),tmp3 /* tmp3 = 3rd word */ - ldw -4(0,s_addr),tmp4 /* tmp4 = 4th word */ - /* Now store the results ! */ - stbys,b,m tmp1,4(0,d_addr) /* tmp1 = 1st word stored d_addr += 16 also take care of front porch. */ - stwm tmp2,4(0,d_addr) /* tmp2 = 2nd word stored. */ - stwm tmp3,4(0,d_addr) /* tmp3 = 3rd word stored. */ - addibf,< -16,count,chunks /* If count is still >= 16 do another loop. */ - stwm tmp4,4(0,d_addr) /* tmp4 = 4th word stored. DELAY SLOT */ - -chekchunk: - addibt,<,n 12,count,back_porch /* since the count is already decremented by -16 we're testing */ - /* to see if there are at least 4 bytes left ? */ -subchunk: - ldws,ma 4(s_addr),tmp1 /* tmp1 = *s_addr++ */ - addibf,< -4,count,subchunk /* count -= 4 */ - stbys,b,m tmp1,4(d_addr) /* *d_addr++ = tmp1 */ - - -back_porch: - addibt,=,n 4,count,done /* if count = 0 we're, of course, done ! */ - ldws 0(s_addr),tmp1 /* load up the back_porch */ - add d_addr,count,d_addr/* final store address is +1 too high ! */ - bv 0(r2) /* return--were done. */ - stbys,e tmp1,0(d_addr) /* kerplunk! whew ! */ - -/* Begin non_aligned code. (no refrence to politics) */ -not_aligned: - sub,>= tmp2,tmp1,tmp3 /* compute the shift quantity again and skip the load if tmp2 > tmp1. */ - ldwm 4(0,s_addr),tmp1 /* load up the first word from the source. tmp1 = *s_addr++ */ - zdep tmp3,28,29,tmp4 /* compute the number of bits to shift based on the number of bytes above. */ - mtctl tmp4,11 /* load the shift count into cr11 = shift count register. */ - - addibt,<,n -16,count,chkchnk2 /* first step in pre adjustment of count for looping. */ - -chunk2: - ldwm 16(0,s_addr),tmp2 /* get either first or second word . tmp2 = *s_addr++ */ - ldw -12(s_addr),tmp3 - ldw -8(s_addr),tmp4 - ldw -4(s_addr),tmp5 - vshd tmp1,tmp2,tmp6 /* position data ! */ - stbys,b,m tmp6,4(0,d_addr) /* store ! */ - - vshd tmp2,tmp3,tmp6 /* position data ! */ - stwm tmp6,4(0,d_addr) /* store ! */ - - vshd tmp3,tmp4,tmp6 /* position data ! */ - stwm tmp6,4(0,d_addr) /* store ! */ - - vshd tmp4,tmp5,tmp6 /* position data ! */ - stwm tmp6,4(0,d_addr) /* store the data ! */ - addibf,< -16,count,chunk2 /* If count is still >= 16 do another loop. */ - copy tmp5,tmp1 - - -chkchnk2: - addibt,<,n 12,count,bp_0 /* if we don't have 4 bytes left then do the back porch (bp_0) */ - -subchnk2: - ldwm 4(0,s_addr),tmp2 /* get next word ! */ - vshd tmp1,tmp2,tmp3 /* position data ! */ - addibt,< -4,count,bp_1 /* decrement count and when count < 4 goto back_porch (bp_1) */ - stbys,b,m tmp3,4(0,d_addr) /* store ! */ - - ldwm 4(0,s_addr),tmp1 /* get 4th word ! */ - vshd tmp2,tmp1,tmp3 /* position data ! */ - addib,>= -4,count,subchnk2 /* decrement count and when count <= 4 go to back porch (bp_2) */ - stbys,b,m tmp3,4(0,d_addr) /* store the data ! */ - -bp_0: copy tmp1,tmp2 /* switch registers used in the shift process. */ -bp_1: addibt,<=,n 4,count,done /* if count = -4 this implies that count = 0 -> done */ - add d_addr,count,d_addr /* bump destination address to be +1 too high ! */ - mfctl sar,tmp3 /* suppress final ldwm unless result used */ - extru tmp3,28,2,tmp3 /* convert bitshift to byteshift */ - sub,<= count,tmp3,r0 /* bytes unused if (count-byteshift <= 0*/ - - ldwm 4(0,s_addr),tmp1 /* get final word ! */ - vshd tmp2,tmp1,tmp3 /* position data ! */ - bv 0(r2) /* return */ - stbys,e tmp3,0(0,d_addr) /* store the data ! */ - -/* here we do ye old byte-at-a-time moves. */ -byteloop: - comb,>=,n 0,count,done - -encore: - ldbs,ma 1(s_addr),tmp1 - addibf,= -1,count,encore - stbs,ma tmp1,1(d_addr) - -done: -EXIT(memcpy) diff --git a/newlib/libc/machine/hppa/memset.S b/newlib/libc/machine/hppa/memset.S deleted file mode 100644 index cea738251..000000000 --- a/newlib/libc/machine/hppa/memset.S +++ /dev/null @@ -1,85 +0,0 @@ -/* - * (c) Copyright 1986 HEWLETT-PACKARD COMPANY - * - * To anyone who acknowledges that this file is provided "AS IS" - * without any express or implied warranty: - * permission to use, copy, modify, and distribute this file - * for any purpose is hereby granted without fee, provided that - * the above copyright notice and this notice appears in all - * copies, and that the name of Hewlett-Packard Company not be - * used in advertising or publicity pertaining to distribution - * of the software without specific, written prior permission. - * Hewlett-Packard Company makes no representations about the - * suitability of this software for any purpose. - */ - -/* SPECTRUM_ID: @(#)memset.s 37.4 86/08/25 */ -/* - * memset(s, c, n) - * - * Sets first n chars in memory area s to value of character c. - * Returns s. - */ -#ifndef _NAMESPACE_CLEAN -#define NOSECDEF /* prevent _memset from being defined as entry */ -#endif - -#include "DEFS.h" - -#define TO arg0 -#define FILLCHAR arg1 -#define COUNT arg2 -#define TMP r31 - -ENTRY(memset) - comb,<= COUNT,r0,msexit /* return if count not positive */ - copy TO,ret0 /* return value is start of copy */ - comibf,<,n 5,COUNT,msbyteloop /* be straightforward */ - - dep FILLCHAR,23,8,FILLCHAR /* dup low byte */ - dep FILLCHAR,15,16,FILLCHAR /* into high bytes */ - - add TO,COUNT,TMP /* TMP points just past fill area */ - stbys,m FILLCHAR,0(TO) /* fill out first word */ - /* - * If we're pointing to high-order byte, no fill will happen, - * but permissions will be checked. We don't want this (we - * might be pointing at the beginning of a protected region), - * so we branch around stbys if neither low bits are set. - */ - bb,<,n TMP,31,filend /* if low bit is set, stbys */ - bb,>=,n TMP,30,endfil /* if next lowest bit isn't set */ - /* (and lowest isn't, either) */ - /* do not stbys */ -filend: - stbys,m,e FILLCHAR,0(TMP) /* fill out the last */ -endfil: - addi 4, TO, TO - sub TMP,TO,COUNT /* will now divide by 4 */ - comb,=,n COUNT,r0,msexit /* If count is zero ret. */ - - extru,<> COUNT,31,4,r1 - b msquadloop - depi 0,31,4,COUNT /* will now divide by 16 */ - - -mswordloop: - addib,<> -4,r1,mswordloop - stws,ma FILLCHAR,4(TO) - - comb,=,n COUNT,r0,msexit /* If count is zero ret. */ - -msquadloop: - stws,ma FILLCHAR,4(TO) - stws,ma FILLCHAR,4(TO) - stws,ma FILLCHAR,4(TO) - addib,<> -16,COUNT,msquadloop - stws,ma FILLCHAR,4(TO) - b,n msexit - -msbyteloop: - addib,<> -1,COUNT,msbyteloop - stbs,ma FILLCHAR,1(TO) - -msexit: -EXIT(memset) diff --git a/newlib/libc/machine/hppa/pcc_prefix.s b/newlib/libc/machine/hppa/pcc_prefix.s deleted file mode 100644 index 24d5254d9..000000000 --- a/newlib/libc/machine/hppa/pcc_prefix.s +++ /dev/null @@ -1,389 +0,0 @@ -; -; (c) Copyright 1986 HEWLETT-PACKARD COMPANY -; -; To anyone who acknowledges that this file is provided "AS IS" -; without any express or implied warranty: -; permission to use, copy, modify, and distribute this file -; for any purpose is hereby granted without fee, provided that -; the above copyright notice and this notice appears in all -; copies, and that the name of Hewlett-Packard Company not be -; used in advertising or publicity pertaining to distribution -; of the software without specific, written prior permission. -; Hewlett-Packard Company makes no representations about the -; suitability of this software for any purpose. -; - -; Standard Hardware Register Definitions for Use with Assembler -; version A.08.06 -; - fr16-31 added at Utah -;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -; Hardware General Registers -r0: .equ 0 - -r1: .equ 1 - -r2: .equ 2 - -r3: .equ 3 - -r4: .equ 4 - -r5: .equ 5 - -r6: .equ 6 - -r7: .equ 7 - -r8: .equ 8 - -r9: .equ 9 - -r10: .equ 10 - -r11: .equ 11 - -r12: .equ 12 - -r13: .equ 13 - -r14: .equ 14 - -r15: .equ 15 - -r16: .equ 16 - -r17: .equ 17 - -r18: .equ 18 - -r19: .equ 19 - -r20: .equ 20 - -r21: .equ 21 - -r22: .equ 22 - -r23: .equ 23 - -r24: .equ 24 - -r25: .equ 25 - -r26: .equ 26 - -r27: .equ 27 - -r28: .equ 28 - -r29: .equ 29 - -r30: .equ 30 - -r31: .equ 31 - -; Hardware Space Registers -sr0: .equ 0 - -sr1: .equ 1 - -sr2: .equ 2 - -sr3: .equ 3 - -sr4: .equ 4 - -sr5: .equ 5 - -sr6: .equ 6 - -sr7: .equ 7 - -; Hardware Floating Point Registers -fr0: .equ 0 - -fr1: .equ 1 - -fr2: .equ 2 - -fr3: .equ 3 - -fr4: .equ 4 - -fr5: .equ 5 - -fr6: .equ 6 - -fr7: .equ 7 - -fr8: .equ 8 - -fr9: .equ 9 - -fr10: .equ 10 - -fr11: .equ 11 - -fr12: .equ 12 - -fr13: .equ 13 - -fr14: .equ 14 - -fr15: .equ 15 - -fr16: .equ 16 - -fr17: .equ 17 - -fr18: .equ 18 - -fr19: .equ 19 - -fr20: .equ 20 - -fr21: .equ 21 - -fr22: .equ 22 - -fr23: .equ 23 - -fr24: .equ 24 - -fr25: .equ 25 - -fr26: .equ 26 - -fr27: .equ 27 - -fr28: .equ 28 - -fr29: .equ 29 - -fr30: .equ 30 - -fr31: .equ 31 - -; Hardware Control Registers -cr0: .equ 0 - -rctr: .equ 0 ; Recovery Counter Register - - -cr8: .equ 8 ; Protection ID 1 - -pidr1: .equ 8 - - -cr9: .equ 9 ; Protection ID 2 - -pidr2: .equ 9 - - -cr10: .equ 10 - -ccr: .equ 10 ; Coprocessor Confiquration Register - - -cr11: .equ 11 - -sar: .equ 11 ; Shift Amount Register - - -cr12: .equ 12 - -pidr3: .equ 12 ; Protection ID 3 - - -cr13: .equ 13 - -pidr4: .equ 13 ; Protection ID 4 - - -cr14: .equ 14 - -iva: .equ 14 ; Interrupt Vector Address - - -cr15: .equ 15 - -eiem: .equ 15 ; External Interrupt Enable Mask - - -cr16: .equ 16 - -itmr: .equ 16 ; Interval Timer - - -cr17: .equ 17 - -pcsq: .equ 17 ; Program Counter Space queue - - -cr18: .equ 18 - -pcoq: .equ 18 ; Program Counter Offset queue - - -cr19: .equ 19 - -iir: .equ 19 ; Interruption Instruction Register - - -cr20: .equ 20 - -isr: .equ 20 ; Interruption Space Register - - -cr21: .equ 21 - -ior: .equ 21 ; Interruption Offset Register - - -cr22: .equ 22 - -ipsw: .equ 22 ; Interrpution Processor Status Word - - -cr23: .equ 23 - -eirr: .equ 23 ; External Interrupt Request - - -cr24: .equ 24 - -ppda: .equ 24 ; Physcial Page Directory Address - -tr0: .equ 24 ; Temporary register 0 - - -cr25: .equ 25 - -hta: .equ 25 ; Hash Table Address - -tr1: .equ 25 ; Temporary register 1 - - -cr26: .equ 26 - -tr2: .equ 26 ; Temporary register 2 - - -cr27: .equ 27 - -tr3: .equ 27 ; Temporary register 3 - - -cr28: .equ 28 - -tr4: .equ 28 ; Temporary register 4 - - -cr29: .equ 29 - -tr5: .equ 29 ; Temporary register 5 - - -cr30: .equ 30 - -tr6: .equ 30 ; Temporary register 6 - - -cr31: .equ 31 - -tr7: .equ 31 ; Temporary register 7 - -;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -; Procedure Call Convention ~ -; Register Definitions for Use with Assembler ~ -; version A.08.06 -;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -; Software Architecture General Registers -rp: .equ r2 ; return pointer - -mrp: .equ r31 ; millicode return pointer - -ret0: .equ r28 ; return value - -ret1: .equ r29 ; return value (high part of double) - -sl: .equ r29 ; static link - -sp: .equ r30 ; stack pointer - -dp: .equ r27 ; data pointer - -arg0: .equ r26 ; argument - -arg1: .equ r25 ; argument or high part of double argument - -arg2: .equ r24 ; argument - -arg3: .equ r23 ; argument or high part of double argument - -;_____________________________________________________________________________ -; Software Architecture Space Registers -; sr0 ; return link form BLE -sret: .equ sr1 ; return value - -sarg: .equ sr1 ; argument - -; sr4 ; PC SPACE tracker -; sr5 ; process private data -;_____________________________________________________________________________ -; Software Architecture Pseudo Registers -previous_sp: .equ 64 ; old stack pointer (locates previous frame) - -;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -; Standard space and subspace definitions. version A.08.06 -; These are generally suitable for programs on HP_UX and HPE. -; Statements commented out are used when building such things as operating -; system kernels. -;;;;;;;;;;;;;;;; - .SPACE $TEXT$, SPNUM=0,SORT=8 -; .subspa $FIRST$, QUAD=0,ALIGN=2048,ACCESS=0x2c,SORT=4,FIRST -; .subspa $REAL$, QUAD=0,ALIGN=8,ACCESS=0x2c,SORT=4,FIRST,LOCK - .subspa $MILLICODE$, QUAD=0,ALIGN=8,ACCESS=0x2c,SORT=8 - .subspa $LIT$, QUAD=0,ALIGN=8,ACCESS=0x2c,SORT=16 - .subspa $CODE$, QUAD=0,ALIGN=8,ACCESS=0x2c,SORT=24 -; .subspa $UNWIND$, QUAD=0,ALIGN=4,ACCESS=0x2c,SORT=64 -; .subspa $RECOVER$, QUAD=0,ALIGN=4,ACCESS=0x2c,SORT=80 -; .subspa $RESERVED$, QUAD=0,ALIGN=8,ACCESS=0x73,SORT=82 -; .subspa $GATE$, QUAD=0,ALIGN=8,ACCESS=0x4c,SORT=84,CODE_ONLY -; Additional code subspaces should have ALIGN=8 for an interspace BV -; and should have SORT=24. -; -; For an incomplete executable (program bound to shared libraries), -; sort keys $GLOBAL$ -1 and $GLOBAL$ -2 are reserved for the $DLT$ -; and $PLT$ subspaces respectively. -;;;;;;;;;;;;;;; - .SPACE $PRIVATE$, SPNUM=1,PRIVATE,SORT=16 - .subspa $GLOBAL$, QUAD=1,ALIGN=8,ACCESS=0x1f,SORT=40 - .import $global$ - .subspa $SHORTDATA$, QUAD=1,ALIGN=8,ACCESS=0x1f,SORT=24 - .subspa $DATA$, QUAD=1,ALIGN=8,ACCESS=0x1f,SORT=16 - .subspa $PFA_COUNTER$, QUAD=1,ALIGN=4,ACCESS=0x1f,SORT=8 - .subspa $SHORTBSS$, QUAD=1,ALIGN=8,ACCESS=0x1f,SORT=80,ZERO - .subspa $BSS$, QUAD=1,ALIGN=8,ACCESS=0x1f,SORT=82,ZERO -; .subspa $PCB$, QUAD=1,ALIGN=8,ACCESS=0x10,SORT=82 -; .subspa $STACK$, QUAD=1,ALIGN=8,ACCESS=0x1f,SORT=82 -; .subspa $HEAP$, QUAD=1,ALIGN=8,ACCESS=0x1f,SORT=82 -;;;;;;;;;;;;;;;; -; .SPACE $PFA$, SPNUM=0,PRIVATE,UNLOADABLE,SORT=64 -; .subspa $PFA_ADDRESS$, ALIGN=4,ACCESS=0x2c,UNLOADABLE -;;;;;;;;;;;;;;;; -; .SPACE $DEBUG$, SPNUM=2,PRIVATE,UNLOADABLE,SORT=80 -; .subspa $HEADER$, ALIGN=4,ACCESS=0,UNLOADABLE,FIRST -; .subspa $GNTT$, ALIGN=4,ACCESS=0,UNLOADABLE -; .subspa $LNTT$, ALIGN=4,ACCESS=0,UNLOADABLE -; .subspa $SLT$, ALIGN=4,ACCESS=0,UNLOADABLE -; .subspa $VT$, ALIGN=4,ACCESS=0,UNLOADABLE - -; To satisfy the copyright terms each .o will have a reference -; the the actual copyright. This will force the actual copyright -; message to be brought in from libgloss/hp-milli.s - .space $PRIVATE$ - .subspa $DATA$ - .import ___hp_free_copyright,data -L$copyright .word ___hp_free_copyright diff --git a/newlib/libc/machine/hppa/setjmp.S b/newlib/libc/machine/hppa/setjmp.S deleted file mode 100644 index 6f3668e92..000000000 --- a/newlib/libc/machine/hppa/setjmp.S +++ /dev/null @@ -1,139 +0,0 @@ -/* Copyright (c) 1995 Cygnus Support. - All rights reserved. - - Redistribution and use in source and binary forms are permitted - provided that the above copyright notice and this paragraph are - duplicated in all such forms and that any documentation, - advertising materials, and other materials related to such - distribution and use acknowledge that the software was developed - at Cygnus Support, Inc. Cygnus Support, Inc. may not be used to - endorse or promote products derived from this software without - specific prior written permission. - THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR - IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED - WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ - -/* Note I don't know an easy way to get the FP version into the - traditional C library and the non-FP version into the soft-float - library. Maybe we'll have to have -msoft-float trigger something - like -DSOFT_FLOAT if this issue ever arises. */ - - .SPACE $PRIVATE$ - .SUBSPA $DATA$,QUAD=1,ALIGN=8,ACCESS=31 - .SUBSPA $BSS$,QUAD=1,ALIGN=8,ACCESS=31,ZERO,SORT=82 - .SPACE $TEXT$ - .SUBSPA $LIT$,QUAD=0,ALIGN=8,ACCESS=44 - .SUBSPA $CODE$,QUAD=0,ALIGN=8,ACCESS=44,CODE_ONLY - .IMPORT $global$,DATA - .IMPORT $$dyncall,MILLICODE -; gcc_compiled.: - .SPACE $TEXT$ - .SUBSPA $CODE$ - - .align 4 - .EXPORT setjmp,ENTRY,PRIV_LEV=3,ARGW0=GR,RTNVAL=GR -setjmp - .PROC - .CALLINFO FRAME=64,NO_CALLS,SAVE_SP,ENTRY_GR=3 - .ENTRY - stwm %r30,4(%r26) - stwm %r2,4(%r26) - stwm %r3,4(%r26) - stwm %r4,4(%r26) - stwm %r5,4(%r26) - stwm %r6,4(%r26) - stwm %r7,4(%r26) - stwm %r8,4(%r26) - stwm %r9,4(%r26) - stwm %r10,4(%r26) - stwm %r11,4(%r26) - stwm %r12,4(%r26) - stwm %r13,4(%r26) - stwm %r14,4(%r26) - stwm %r15,4(%r26) - stwm %r16,4(%r26) - stwm %r17,4(%r26) - stwm %r18,4(%r26) - stwm %r27,4(%r26) -#ifdef FP - ; jmp_buf may only have a 4 byte alignment, so handle FP stores - ; very carefully. - fstds %fr12,-16(%r30) - ldw -16(%r30),%r28 - stwm %r28,4(%r26) - ldw -12(%r30),%r28 - stwm %r28,4(%r26) - fstds %fr13,-16(%r30) - ldw -16(%r30),%r28 - stwm %r28,4(%r26) - ldw -12(%r30),%r28 - stwm %r28,4(%r26) - fstds %fr14,-16(%r30) - ldw -16(%r30),%r28 - stwm %r28,4(%r26) - ldw -12(%r30),%r28 - stwm %r28,4(%r26) - fstds %fr15,-16(%r30) - ldw -16(%r30),%r28 - stwm %r28,4(%r26) - ldw -12(%r30),%r28 - stwm %r28,4(%r26) -#endif - - bv 0(%r2) - copy %r0,%r28 - .EXIT - .PROCEND - .align 4 - .EXPORT longjmp,ENTRY,PRIV_LEV=3,ARGW0=GR,ARGW1=GR,RTNVAL=GR -longjmp - .PROC - .CALLINFO FRAME=64,NO_CALLS,SAVE_SP,ENTRY_GR=3 - .ENTRY - ldwm 4(%r26),%r30 - ldwm 4(%r26),%r2 - ldwm 4(%r26),%r3 - ldwm 4(%r26),%r4 - ldwm 4(%r26),%r5 - ldwm 4(%r26),%r6 - ldwm 4(%r26),%r7 - ldwm 4(%r26),%r8 - ldwm 4(%r26),%r9 - ldwm 4(%r26),%r10 - ldwm 4(%r26),%r11 - ldwm 4(%r26),%r12 - ldwm 4(%r26),%r13 - ldwm 4(%r26),%r14 - ldwm 4(%r26),%r15 - ldwm 4(%r26),%r16 - ldwm 4(%r26),%r17 - ldwm 4(%r26),%r18 - ldwm 4(%r26),%r27 -#ifdef FP - ldwm 4(%r26),%r28 - stw %r28,-16(%r30) - ldwm 4(%r26),%r28 - stw %r28,-12(%r30) - fldds -16(%r30),%fr12 - ldwm 4(%r26),%r28 - stw %r28,-16(%r30) - ldwm 4(%r26),%r28 - stw %r28,-12(%r30) - fldds -16(%r30),%fr13 - ldwm 4(%r26),%r28 - stw %r28,-16(%r30) - ldwm 4(%r26),%r28 - stw %r28,-12(%r30) - fldds -16(%r30),%fr14 - ldwm 4(%r26),%r28 - stw %r28,-16(%r30) - ldwm 4(%r26),%r28 - stw %r28,-12(%r30) - fldds -16(%r30),%fr15 -#endif - comclr,<> %r0,%r25,%r0 - ldi 1,%r25 - bv 0(%r2) - copy %r25,%r28 - .EXIT - .PROCEND diff --git a/newlib/libc/machine/hppa/strcat.S b/newlib/libc/machine/hppa/strcat.S deleted file mode 100644 index 9fcdd790f..000000000 --- a/newlib/libc/machine/hppa/strcat.S +++ /dev/null @@ -1,178 +0,0 @@ -/* - * (c) Copyright 1986 HEWLETT-PACKARD COMPANY - * - * To anyone who acknowledges that this file is provided "AS IS" - * without any express or implied warranty: - * permission to use, copy, modify, and distribute this file - * for any purpose is hereby granted without fee, provided that - * the above copyright notice and this notice appears in all - * copies, and that the name of Hewlett-Packard Company not be - * used in advertising or publicity pertaining to distribution - * of the software without specific, written prior permission. - * Hewlett-Packard Company makes no representations about the - * suitability of this software for any purpose. - */ - -/* HPUX_ID: @(#) $Revision$ */ -/* - * strcat(s1, s2) - * - * Concatenate s2 on the end of s1. S1's space must be large enough. - * Return s1. - */ -#include "DEFS.h" - -#define d_addr r26 -#define s_addr r25 -#define tmp6 r24 -#define tmp1 r19 -#define tmp2 r20 -#define tmp3 r21 -#define tmp4 r22 -#define tmp5 arg3 -#define save r1 - - -ENTRY(strcat) - - comb,= r0,s_addr,done /* quit if s2=NULL */ - copy d_addr,ret0 /* The return value is the value of d_addr. DELAY SLOT*/ - -/* First look for end of s1 (d_addr) */ - - extru d_addr,31,2,tmp1 /* Extract the low two bits of the dest address. */ - combt,= tmp1,r0,dont_mask - dep 0,31,2,d_addr /*set word alignment */ - ldwm 4(d_addr),tmp2 - sh3add tmp1,r0,save /* build mask based on tmp1 */ - mtctl save,11 - zvdepi -2,32,save - or save,tmp2,tmp2 - uxor,nbz tmp2,r0,save -search: - b,n found_end /* nullified under uxor conditions above and below */ -dont_mask: - ldwm 4(d_addr),tmp2 - comib,tr r0,r0,search - uxor,nbz tmp2,r0,save - -found_end: /* at this point d_addr points to word */ - extru,<> save,7,8,r0 /* following word with null */ - addib,tr,n -4,d_addr,begin_copy /*set d_addr to end of s1 */ - extru,<> save,15,8,r0 - addib,tr,n -3,d_addr,begin_copy - extru,<> save,23,8,r0 - addi -1,d_addr,d_addr - addi -1,d_addr,d_addr - - -begin_copy: - - extru s_addr,31,2,tmp1 /* Extract the low two bits of the source address. */ - extru d_addr,31,2,tmp6 /* Extract the low two bits of the destination address. */ - sub,= tmp6,tmp1,tmp3 /* Compute the shift quantity and don't branch if tmp6=tmp1. */ - b not_aligned /* Not_aligned says that shifts Will be needed. */ - dep 0,31,2,s_addr /* Compute the word address of the source. DELAY SLOT. */ -/* aligned */ - - combt,= tmp6,r0,skip_mask - ldwm 4(0,s_addr),tmp1 /* tmp1 = *s_addr s_addr += 4 (DELAY SLOT) */ - sh3add tmp6,r0,save - mtctl save,r11 - zvdepi -2,32,save - or save,tmp1,tmp1 - uxor,nbz tmp1,r0,save - b,n first_null /* special case: null in first word */ - b,n skip_mask2 - -chunks: - b,n null_found /* delay slot for uxor below */ - -skip_mask2: - stbys,b,m tmp1,4(d_addr) - ldwm 4(s_addr),tmp1 -skip_mask: - comib,tr 0,0,chunks - uxor,nbz tmp1,r0,save - -/* Begin non_aligned code. */ - -not_aligned: - sh3add,>= tmp3,r0,tmp4 /* compute the shift amt.and skip load if tmp6 > tmp1. */ - ldwm 4(0,s_addr),tmp1 /* load up the first word from the source. tmp1 = *s_addr++ */ - ldwm 4(0,s_addr),tmp2 /* get either first or second word from source. */ - combt,= tmp6,r0,chunk2 /* don't mask if whole word is valid */ - mtctl tmp4,11 /* load the shift count into cr11 = shift count register. */ - vshd tmp1,tmp2,tmp3 /* position data ! (delay slot) */ - sh3add tmp6,r0,save /* setup r1 */ - mtctl save,r11 /* set-up cr11 for mask */ - zvdepi -2,32,save - or save, tmp3, tmp3 - uxor,nbz tmp3,r0,save - b,n first_null2 - b did_mask - mtctl tmp4,11 /* re-load the shift count into cr11 */ - -chunk2: - vshd tmp1,tmp2,tmp3 - uxor,nbz tmp3, r0, save - b,n null_found -did_mask: - stbys,b,m tmp3,4(0,d_addr) /* store ! */ - - ldwm 4(0,s_addr),tmp1 /* get next word ! */ - vshd tmp2,tmp1,tmp3 /* position data ! */ - uxor,nbz tmp3, r0, save - b,n null_found - stwm tmp3,4(d_addr) - comib,tr 0,0,chunk2 - ldwm 4(s_addr),tmp2 - - -null_found: /* adjust d_addr and store final word */ - - extru,<> save,7,8,r0 - addib,tr,n 1,d_addr,store_final - extru,<> save,15,8,r0 - addib,tr,n 2,d_addr,store_final - extru,<> save,23,8,r0 - addib,tr 3,d_addr,store_final2 - bv 0(r2) - stw save,0(d_addr) - -store_final: - bv 0(r2) -store_final2: - stbys,e save,0(d_addr) /* delay slot */ - -first_null: /* null found in first word of aligned (wrt d_addr) */ - addi -4,s_addr,s_addr - ldbx tmp6(s_addr),tmp4 - add tmp6,s_addr,s_addr - comib,= 0,tmp4,done - stbs,ma tmp4,1(d_addr) - ldbs 1(s_addr),tmp4 - comib,= 0,tmp4,done - stbs,ma tmp4,1(d_addr) - bv 0(r2) /* done */ - stbs 0,0(d_addr) - -first_null2: /* null found in first word of non-aligned (wrt d_addr) */ - addibt,= -1,tmp6,check3 /* check last 3 bytes of word */ - extru save,15,8,tmp4 - addibt,=,n -1,tmp6,check2 /* check last 2 bytes */ - bv 0(r2) - stbys,b save, 0(d_addr) - -check3: - combt,= tmp4,r0,done - stbs,ma tmp4,1(d_addr) -check2: - extru,<> save,23,8,tmp4 - bv 0(r2) - stbs,ma tmp4,1(d_addr) - bv 0(r2) - stbs r0,0(d_addr) - -done: -EXIT(strcat) diff --git a/newlib/libc/machine/hppa/strcmp.S b/newlib/libc/machine/hppa/strcmp.S deleted file mode 100644 index 007a64849..000000000 --- a/newlib/libc/machine/hppa/strcmp.S +++ /dev/null @@ -1,282 +0,0 @@ -/* - * (c) Copyright 1986 HEWLETT-PACKARD COMPANY - * - * To anyone who acknowledges that this file is provided "AS IS" - * without any express or implied warranty: - * permission to use, copy, modify, and distribute this file - * for any purpose is hereby granted without fee, provided that - * the above copyright notice and this notice appears in all - * copies, and that the name of Hewlett-Packard Company not be - * used in advertising or publicity pertaining to distribution - * of the software without specific, written prior permission. - * Hewlett-Packard Company makes no representations about the - * suitability of this software for any purpose. - */ - -/* - - strcmp - - Jerry Huck - Edgar Circenis - -*/ -/* - * strcmp(s1, s2) - * - * returns integer: < 0 iff s1 lexicographically less than s2 - * > 0 iff s1 lexicographically greater than s2 - * = 0 iff s1 lexicographically equal to s2 - */ - -#include "DEFS.h" - -#define s1 26 -#define s2 25 -#define tmp1 19 -#define s2word 20 -#define tmp3 21 -#define tmp7 22 -#define s1word 23 -#define save 1 -#define tmp6 24 -#define tmp5 28 - -ENTRY(strcmp) - comb,=,n s1,s2,samestring - comib,=,n 0,s1,s1isnull - comib,=,n 0,s2,s2isnull -/* Hope for word alignment. Pick up low two bits of each adress */ - extru,<> s1,31,2,tmp1 - ldwm 4(s1),s1word - dep,= s2,29,2,tmp1 - b,n case_analysis - -/* Start looping until null is found in s1 or they mis-compare */ -loop: - ldwm 4(s2),s2word -loop_plus: - uxor,nbz s1word,r0,r0 /* Null in this? */ - b,n nullins1 - comb,=,n s1word,s2word,loop - ldwm 4(s1),s1word - -/* The words do not compare equal and s1 does not have a null. - Need to treat words as unsigned and generate either a positive - or negative return value */ -wordcomparereturn: - comclr,>> s1word,s2word,ret0 /*Set ret0 to 0 and skip if greater*/ - ldi -2,ret0 /*Set ret0 to -2 when less */ - bv r0(rp) - addi 1,ret0,ret0 /*Fix return value to be -1 or +1 */ - -/* s1 has a null. s2 has not been checked. */ -nullins1: - /*If s2 has no nulls this is simple, but assume that it might - and fix up s1 to allow the word comparision to work by - scanning s1 and duplicating all the bytes in s2 below that byte into - the remainder of s1. A remainder only exists if the zero byte - is found in the upper three bytes */ - extru,<> s1word,7,8,r0 /*in the first byte? */ - dep,tr s2word,31,24,s1word /*copy low 3 bytes of *s2 into *s1 */ - extru,<> s1word,15,8,r0 /*in the second byte? */ - dep,tr s2word,31,16,s1word /*copy low 2 bytes of *s2 into *s1 */ - extru,<> s1word,23,8,r0 /*in the third byte? */ - dep s2word,31,8,s1word /*copy low 1 byte of *s2 into *s1 */ - /* Do the normal unsigned compare and return */ - comclr,<> s1word,s2word,ret0 /*Set ret0 to 0 and skip if not equal */ - bv,n r0(rp) - comclr,>> s1word,s2word,ret0 /*Set ret0 to 0 and skip if greater*/ - ldi -2,ret0 /*Set ret0 to -2 when less */ - bv r0(rp) - addi 1,ret0,ret0 /*Fix return value to be -1 or +1 */ - -/* s1 and s2 are the same string and therefore equal */ -samestring: - bv r0(rp) - copy r0,ret0 -/* s1 is null. Treat as string of nulls. Therefore return - the negative of s2's first byte. s2 cannot be zero. */ -s1isnull: - ldbs 0(0,s2),ret0 - bv r0(rp) - sub 0,ret0,ret0 -/* s2 is null. Treat as string of nulls. Therefore return - s1's first byte. s1 cannot be zero. */ -s2isnull: - bv r0(rp) - ldbs 0(0,s1),ret0 - -case_analysis: - blr tmp1,r0 - nop - - /* - Case statement for non-aligned cases (we've already - checked the aligned case. - NOTE: for non-aligned cases, the absolute shift value - gets loaded into tmp3. - */ - - /* S2 S1 */ - nop /* 00 00 can't happen */ - nop - b shifts2 /* 00 01 */ - ldi 8,tmp3 /* load shift count (delay slot) */ - b shifts2 /* 00 10 */ - ldi 16,tmp3 /* load shift count (delay slot) */ - b shifts2 /* 00 11 */ - ldi 24,tmp3 /* load shift count (delay slot) */ - b shifts1_0 /* 01 00 */ - ldi 8,tmp3 /* load shift count (delay slot) */ - b eq_align1 /* 01 01 */ - ldbs,ma 1(s1),s1word - b shifts2 /* 01 10 */ - ldi 8,tmp3 /* load shift count (delay slot) */ - b shifts2 /* 01 11 */ - ldi 16,tmp3 /* load shift count (delay slot) */ - b shifts1_0 /* 10 00 */ - ldi 16,tmp3 /* load shift count (delay slot) */ - b shifts1 /* 10 01 */ - ldi 8,tmp3 /* load shift count (delay slot) */ - b eq_align2 /* 10 10 */ - ldhs,ma 2(s1),s1word - b shifts2 /* 10 11 */ - ldi 8,tmp3 /* load shift count (delay slot) */ - b shifts1_0 /* 11 00 */ - ldi 24,tmp3 /* load shift count (delay slot) */ - b shifts1 /* 11 01 */ - ldi 16,tmp3 /* load shift count (delay slot) */ - b shifts1 /* 11 10 */ - ldi 8,tmp3 /* load shift count (delay slot) */ - ldbs,ma 1(s1),s1word /* 11 11 */ - ldbs,ma 1(s2),s2word - sub,= s1word,s2word,ret0 /* if not equal, we can return now */ - bv,n r0(rp) - comclr,<> s1word,r0,ret0 - bv,n r0(rp) - b loop /* fall into main loop */ - ldwm 4(s1),s1word - -eq_align1: - ldbs,ma 1(s2),s2word - sub,= s1word,s2word,ret0 /* if not equal, we can return now */ - bv,n r0(rp) - comclr,<> s1word,r0,ret0 - bv,n r0(rp) - /* fall through to half-word aligned case */ - ldhs,ma 2(s1),s1word /* load next halfword */ -eq_align2: - ldhs,ma 2(s2),s2word /* load next halfword */ - /* form the mask: 0xffff0000 and mask leading nulls in s1word and s2word - so that we can fall into the main loop with word aligned data */ - ldi 16,save - mtctl save,r11 - zvdepi -2,32,save - or save,s1word,s1word - b loop_plus /* fall into main loop */ - or save,s2word,s2word - -/* s2's alignment is greater than s1's alignment, so we will shift s1 */ -shifts1_0: - addi -4,s1,s1 /* fix up s1 due to earlier read */ -shifts1: - extru s1,31,2,tmp1 - extru s2,31,2,tmp5 - dep r0,31,2,s1 /* Compute word address of s1 */ - dep r0,31,2,s2 /* Compute word address of s2 */ - ldwm 4(s1),s1word /* get first word of s1 */ - ldwm 4(s2),s2word /* get first word of s2 */ - combt,=,n r0,tmp1,masks2 /* Do we need to mask beginning of s1 */ - sh3add tmp1,r0,save /* save now has number of bits to mask */ - mtctl save,r11 - zvdepi -2,32,save /* load save with proper mask */ - or save,s1word,s1word -masks2: - sh3add tmp5,r0,save /* save now has number of bits to mask */ - mtctl save,r11 - zvdepi -2,32,save /* load save with proper mask */ - or save,s2word,s2word - ldi -1,tmp7 /* load tmp7 with 0xffffffff */ - mtctl tmp3,r11 /* Move shift amount to CR11 */ -more: uxor,nbz s1word,r0,r0 /* Is there a null in s1? */ - b ends1 - vshd tmp7,s1word,save - combf,=,n save,s2word,cmps1 - ldwm 4(s1),tmp7 - ldwm 4(s2),s2word - uxor,nbz tmp7,r0,r0 /* is there a null in s1? */ - b ends1_0 - vshd s1word,tmp7,save - combf,=,n save,s2word,cmps1 - ldwm 4(s1),s1word - b more - ldwm 4(s2),s2word - -cmps1: movb,tr save,s1word,wordcomparereturn - nop - -ends1_0: - copy tmp7,s1word /* move tmp7 to s1word */ -ends1: - combf,=,n save,s2word,nullins1 /* branch if no match */ - copy save,s1word /* delay slot */ -/* At this point, we know that we've read a null */ -/* from s1, so we can't read more from s1 */ - uxor,nbz save,r0,r0 /* are the strings equal? */ - b,n samestring - vshd s1word,r0,s1word - b nullins1 - ldwm 4(s2),s2word - -/* s1's alignment is greater than s2's alignment, so we will shift s2 */ -shifts2: - extru s1,31,2,tmp1 - extru s2,31,2,tmp5 - dep r0,31,2,s1 /* Compute word address of s1 */ - dep r0,31,2,s2 /* Compute word address of s2 */ - ldwm 4(s2),s2word /* get first word of s2 */ - ldwm 4(s1),s1word /* get first word of s1 */ - combt,=,n r0,tmp5,masks1 /* Do we need to mask beginning of s2 */ - sh3add tmp5,r0,save /* save now has number of bits to mask */ - mtctl save,r11 - zvdepi -2,32,save /* load save with proper mask */ - or save,s2word,s2word -masks1: - sh3add tmp1,r0,save /* save now has number of bits to mask */ - mtctl save,r11 - zvdepi -2,32,save /* load save with proper mask */ - or save,s1word,s1word - ldi -1,tmp7 /* load tmp7 with 0xffffffff */ - mtctl tmp3,r11 /* Move shift amount to CR11 */ -more1: uxor,nbz s2word,r0,r0 /* is there a null in s2? */ - b ends2 - vshd tmp7,s2word,save - combf,=,n s1word,save,cmps2 - ldwm 4(s2),tmp7 - ldwm 4(s1),s1word - uxor,nbz tmp7,r0,r0 /* is there a null in s2? */ - b ends2_0 - vshd s2word,tmp7,save - combf,=,n s1word,save,cmps2 - ldwm 4(s2),s2word - b more1 - ldwm 4(s1),s1word - -cmps2: movb,tr save,s2word,wordcomparereturn - nop - -ends2_0: - copy tmp7,s2word /* move tmp7 to s2word */ -ends2: - combf,=,n s1word,save,nullins1 /* branch if no match */ - copy save,s2word /* delay slot */ -/* At this point, we know that we've read a null */ -/* from s2, so we can't read more from s2 */ - uxor,nbz save,r0,r0 /* are the strings equal? */ - b,n samestring - vshd s2word,r0,s2word - b nullins1 - ldwm 4(s1),s1word - -EXIT(strcmp) diff --git a/newlib/libc/machine/hppa/strcpy.S b/newlib/libc/machine/hppa/strcpy.S deleted file mode 100644 index 3068cd5e1..000000000 --- a/newlib/libc/machine/hppa/strcpy.S +++ /dev/null @@ -1,285 +0,0 @@ -/* - * (c) Copyright 1986 HEWLETT-PACKARD COMPANY - * - * To anyone who acknowledges that this file is provided "AS IS" - * without any express or implied warranty: - * permission to use, copy, modify, and distribute this file - * for any purpose is hereby granted without fee, provided that - * the above copyright notice and this notice appears in all - * copies, and that the name of Hewlett-Packard Company not be - * used in advertising or publicity pertaining to distribution - * of the software without specific, written prior permission. - * Hewlett-Packard Company makes no representations about the - * suitability of this software for any purpose. - */ - -/* - A faster strcpy. - - by - - Jerry Huck (aligned case) - Daryl Odnert (equal-alignment case) - Edgar Circenis (non-aligned case) -*/ -/* - * strcpy(s1, s2) - * - * Copy string s2 to s1. s1 must be large enough. - * return s1 - */ - -#include "DEFS.h" - -#define d_addr r26 -#define s_addr r25 -#define tmp6 r24 -#define tmp1 r19 -#define evenside r19 -#define tmp2 r20 -#define oddside r20 -#define tmp3 r21 -#define tmp4 r22 -#define tmp5 arg3 -#define save r1 - - -ENTRY(strcpy) -/* Do some quick alignment checking on and fast path both word aligned */ - extru,<> s_addr,31,2,tmp6 /*Is source word aligned? */ - ldwm 4(0,s_addr),oddside /*Assume yes and guess that it - is double-word aligned. */ - dep,= d_addr,29,2,tmp6 /*Is target word aligned? */ - b case_analysis - copy d_addr,ret0 -/* Both are aligned. First source word already loaded assuming that - source was oddword aligned. Fall through (therefore fastest) code - shuffles the registers to join the main loop */ -bothaligned: - bb,>= s_addr,29,twoatatime /*Branch if source was odd aligned*/ - uxor,nbz oddside,r0,save - -/* Even aligned source. save holds that operand. - Do one iteration of the main copy loop juggling the registers to avoid - one copy. */ - b,n nullfound - ldwm 4(s_addr),oddside - stwm save,4(d_addr) - uxor,nbz oddside,r0,save - b,n nullfound - ldwm 4(s_addr),evenside - stwm oddside,4(d_addr) - uxor,nbz evenside,r0,save - b,n nullfound - ldwm 4(s_addr),oddside - -/* Main loop body. Entry expects evenside still to be stored, oddside - just loaded. */ -loop: - stwm evenside,4(d_addr) - uxor,nbz oddside,r0,save - -/* mid loop entry */ -twoatatime: - b,n nullfound - ldwm 4(s_addr),evenside - stwm oddside,4(d_addr) - uxor,sbz evenside,r0,save - b loop - ldwm 4(s_addr),oddside - -/* fall through when null found in evenside. oddside actually loaded */ -nullfound: /* adjust d_addr and store final word */ - - extru,<> save,7,8,r0 /* pick up leftmost byte */ - addib,tr,n 1,d_addr,store_final - extru,<> save,15,8,r0 - addib,tr,n 2,d_addr,store_final - extru,<> save,23,8,r0 - addib,tr 3,d_addr,store_final2 - bv 0(rp) - stw save,0(d_addr) - -store_final: - bv 0(rp) -store_final2: - stbys,e save,0(d_addr) /* delay slot */ - -case_analysis: - - blr tmp6,r0 - nop - - /* NOTE: the delay slots for the non-aligned cases load a */ - /* shift quantity which is TGT-SRC into tmp3. */ - /* Note also, the case for both strings being word aligned */ - /* is already checked before the BLR is executed, so that */ - /* case can never occur. */ - - /* TGT SRC */ - nop /* 00 00 can't happen */ - nop - b neg_aligned_copy /* 00 01 */ - ldi -1,tmp3 /* load shift quantity. delay slot */ - b neg_aligned_copy /* 00 10 */ - ldi -2,tmp3 /* load shift quantity. delay slot */ - b neg_aligned_copy /* 00 11 */ - ldi -3,tmp3 /* load shift quantity. delay slot */ - b pos_aligned_copy0 /* 01 00 */ - ldi 1,tmp3 /* load shift quantity. delay slot */ - b equal_alignment_1 /* 01 01 */ - ldbs,ma 1(s_addr),tmp1 - b neg_aligned_copy /* 01 10 */ - ldi -1,tmp3 /* load shift quantity. delay slot */ - b neg_aligned_copy /* 01 11 */ - ldi -2,tmp3 /* load shift quantity. delay slot */ - b pos_aligned_copy0 /* 10 00 */ - ldi 2,tmp3 /* load shift quantity. delay slot */ - b pos_aligned_copy /* 10 01 */ - ldi 1,tmp3 /* load shift quantity. delay slot */ - b equal_alignment_2 /* 10 10 */ - ldhs,ma 2(s_addr),tmp1 - b neg_aligned_copy /* 10 11 */ - ldi -1,tmp3 /* load shift quantity. delay slot */ - b pos_aligned_copy0 /* 11 00 */ - ldi 3,tmp3 /* load shift quantity. delay slot */ - b pos_aligned_copy /* 11 01 */ - ldi 2,tmp3 /* load shift quantity. delay slot */ - b pos_aligned_copy /* 11 10 */ - ldi 1,tmp3 /* load shift quantity. delay slot */ - ldbs,ma 1(s_addr),tmp1 /* 11 11 */ - comiclr,<> r0,tmp1,r0 - bv 0(rp) /* return if 1st byte was null */ - stbs,ma tmp1,1(d_addr) /* store a byte to dst string */ - b bothaligned /* can now goto word_aligned */ - ldwm 4(s_addr),oddside /* load next word of source */ - -equal_alignment_1: - comiclr,<> r0,tmp1,r0 /* nullify next if tmp1 <> 0 */ - bv 0(rp) /* return if null byte found */ - stbs,ma tmp1,1(d_addr) /* store a byte to dst string */ - ldhs,ma 2(s_addr),tmp1 /* load next halfword */ -equal_alignment_2: - extru,<> tmp1,23,8,tmp6 /* look at left byte of halfword */ - bv 0(rp) /* return if 1st byte was null */ - stbs,ma tmp6,1(d_addr) - extru,<> tmp1,31,8,r0 - bv 0(rp) /* return if 2nd byte was null */ - stbs,ma tmp1,1(d_addr) - b bothaligned - ldwm 4(s_addr),oddside /* load next word */ - -/* source and destination are not aligned, so we do it the hard way. */ - -/* target alignment is greater than source alignment */ -pos_aligned_copy0: - addi -4,s_addr,s_addr -pos_aligned_copy: - extru d_addr,31,2,tmp6 /* Extract low 2 bits of the dest addr */ - extru s_addr,31,2,tmp1 /* Extract low 2 bits of the src addr */ - dep r0,31,2,s_addr /* Compute word address of the source. */ - sh3add tmp3,r0,tmp4 /* compute shift amt */ - ldwm 4(0,s_addr),tmp2 /* get 1st source word */ - sh3add tmp1,r0,save /* setup mask shift amount */ - mtctl save,r11 /* set-up cr11 for mask */ - zvdepi -2,32,save /* create mask */ - or save,tmp2,tmp2 /* mask unused bytes in src */ - ldi -1,tmp1 /* load tmp1 with 0xffffffff */ - mtctl tmp4,r11 /* shift count -> shift count reg */ - vshd tmp1,tmp2,tmp3 /* position data ! */ - uxor,nbz tmp3,r0,save - b,n first_null - uxor,nbz tmp2,r0,save - b nullfound1 - mtctl tmp4,r11 /* re-load shift cnt (delay slot) */ - b loop_entry - ldwm 4(0,s_addr),tmp1 /* get next word. delay slot */ - -neg_aligned_copy: - extru d_addr,31,2,tmp6 /* Extract low 2 bits of the dest addr */ - extru s_addr,31,2,tmp2 /* Extract low 2 bits of the src addr */ - dep r0,31,2,s_addr /* Compute word address of the source. */ - sh3add tmp3,r0,tmp4 /* compute shift amt */ - ldwm 4(0,s_addr),tmp1 /* load first word from source. */ -/* check to see if next word can be read safely */ - sh3add tmp2,r0,save - mtctl save,r11 /* shift count -> shift count reg */ - zvdepi -2,32,save - or save, tmp1, tmp1 - uxor,nbz tmp1,r0,save /* any nulls in first word? */ - b first_null0 - mtctl tmp4,r11 - ldwm 4(0,s_addr),tmp2 /* load second word from source */ - combt,= tmp6,r0,chunk1 /* don't mask if whole word valid */ - vshd tmp1,tmp2,tmp3 /* position data ! */ - sh3add tmp6,r0,save /* setup r1 */ - mtctl save,r11 /* set-up cr11 for mask */ - zvdepi -2,32,save - or save, tmp3, tmp3 - uxor,nbz tmp3,r0,save - b,n first_null - uxor,nbz tmp2,r0,save - b nullfound1 - mtctl tmp4,r11 /* re-load shift cnt (delay slot) */ - b loop_entry - ldwm 4(0,s_addr),tmp1 /* get next word. delay slot */ - -chunk1: - uxor,nbz tmp2,r0,save - b nullfound0 - vshd tmp1,tmp2,tmp3 -did_mask: - ldwm 4(0,s_addr),tmp1 /* get next word ! */ -loop_entry: - stbys,b,m tmp3,4(0,d_addr) /* store ! */ - - uxor,nbz tmp1, r0, save - b nullfound2 - vshd tmp2,tmp1,tmp3 /* position data ! */ - ldwm 4(s_addr),tmp2 - stwm tmp3,4(d_addr) - uxor,sbz tmp2,r0,save - b did_mask -nullfound0: - vshd tmp1,tmp2,tmp3 /* delay slot */ - uxor,nbz tmp3,r0,save - b,n nullfound -nullfound1: - stbys,b,m tmp3,4(0,d_addr) - b nullfound - vshd tmp2,r0,save /* delay slot */ - -nullfound2: - uxor,nbz tmp3,r0,save - b,n nullfound - stwm tmp3,4(d_addr) - b nullfound - /* notice that delay slot is in next routine */ - -first_null0: /* null found in first word of non-aligned (wrt d_addr) */ - vshd tmp1,r0,save /* delay slot */ - combt,= tmp6,r0,check4 - extru save,7,8,tmp4 -first_null: - addibt,= -1,tmp6,check3 /* check last 3 bytes of word */ - extru save,15,8,tmp4 - addibt,=,n -1,tmp6,check2 /* check last 2 bytes */ - bv 0(rp) /* null in last byte--store and exit */ - stbys,b save, 0(d_addr) - -check4: - combt,= tmp4,r0,done - stbs,ma tmp4,1(d_addr) - extru,<> save,15,8,tmp4 -check3: - combt,= tmp4,r0,done - stbs,ma tmp4,1(d_addr) -check2: - extru,<> save,23,8,tmp4 - bv 0(rp) - stbs,ma tmp4,1(d_addr) - bv 0(rp) - stbs r0,0(d_addr) - -done: -EXIT(strcpy) diff --git a/newlib/libc/machine/hppa/strlen.S b/newlib/libc/machine/hppa/strlen.S deleted file mode 100644 index 12e9ef2a9..000000000 --- a/newlib/libc/machine/hppa/strlen.S +++ /dev/null @@ -1,79 +0,0 @@ -/* - * (c) Copyright 1986 HEWLETT-PACKARD COMPANY - * - * To anyone who acknowledges that this file is provided "AS IS" - * without any express or implied warranty: - * permission to use, copy, modify, and distribute this file - * for any purpose is hereby granted without fee, provided that - * the above copyright notice and this notice appears in all - * copies, and that the name of Hewlett-Packard Company not be - * used in advertising or publicity pertaining to distribution - * of the software without specific, written prior permission. - * Hewlett-Packard Company makes no representations about the - * suitability of this software for any purpose. - */ - -/* HPUX_ID = "@(#) $Revision$" */ -/* strlen(s): Return length of string s */ - -#define start arg0 -#define end ret0 -#define tmp1 arg1 -#define tmp2 arg2 - -#include "DEFS.h" - -ENTRY(strlen) - movb,=,n start,end,$null_ptr - depi 0,31,2,end - comb,<> start,end,$not_aligned - ldws,ma 4(end),tmp1 - comib,tr 0,0,$loop /* avoid INDIGO two register interlock */ - uxor,nbz 0,tmp1,0 -$not_aligned: - /* - ; Tricky code. The problem is that the value of of the word - ; including the start of the string has some garbage bytes that - ; may be 0. We don't want them to stop the string scan. So - ; we make those bytes non-zero (and any old non-zero value - ; will do). Notice that the end pointer has been rounded - ; down to a word boundary, and then incremented to the next - ; word by the time we get here. Therefore, (start-end) has - ; one of the values (-3, -2, or -1). Use uaddcm to do the - ; subtraction (instead of sub), and the result will be - ; (-4, -3, or -2). Multiply this by 8, and put into the - ; shift register (which truncates to the last 5 bits) and - ; the value will be (0, 8, or 16). Use this as a bit position, - ; and drop a mask down into tmp1. All the garbage bytes will - ; have at least 1 bit affected by the vdepi, so all the garbage - ; in this first word will be non-zero garbage. - */ - uaddcm start,end,tmp2 /* tmp2 <- { -4, -3, -2 } */ - sh3add tmp2,0,tmp2 /* tmp2 <- { -32, -24, -16 } */ - mtsar tmp2 /* sar <- { 0, 8, 16 } */ - vdepi -1,32,tmp1 - uxor,nbz 0,tmp1,0 -$loop: - b,n $end_loop - ldws,ma 4(end),tmp1 - comib,tr 0,0,$loop /* avoid INDIGO two register interlock */ - uxor,nbz 0,tmp1,0 -$end_loop: - /* adjust the end pointer to one past the end of the string */ - extru,<> tmp1,7,8,0 - addib,tr,n -3,end,$out - extru,<> tmp1,15,8,0 - addib,tr,n -2,end,$out - extru,<> tmp1,23,8,0 - addi -1,end,end -$out: - bv 0(rp) - /* - ; tricky code. the end pointer is just beyond the terminating - ; null byte, so the length is (end-start-1). use uaddcm - ; to do this in 1 instruction - */ - uaddcm end,start,ret0 - -$null_ptr: -EXIT(strlen) diff --git a/newlib/libc/machine/hppa/strncat.S b/newlib/libc/machine/hppa/strncat.S deleted file mode 100644 index 04bd156c9..000000000 --- a/newlib/libc/machine/hppa/strncat.S +++ /dev/null @@ -1,238 +0,0 @@ -/* - * (c) Copyright 1986 HEWLETT-PACKARD COMPANY - * - * To anyone who acknowledges that this file is provided "AS IS" - * without any express or implied warranty: - * permission to use, copy, modify, and distribute this file - * for any purpose is hereby granted without fee, provided that - * the above copyright notice and this notice appears in all - * copies, and that the name of Hewlett-Packard Company not be - * used in advertising or publicity pertaining to distribution - * of the software without specific, written prior permission. - * Hewlett-Packard Company makes no representations about the - * suitability of this software for any purpose. - */ - -/*HPUX_ID: @(#) $Revision$ */ -/* strncat(s1,s2,n) : concatonate at most n characters from s2 onto s1 */ - -#include "DEFS.h" - -#define d_addr r26 -#define s_addr r25 -#define count r24 -#define tmp1 r19 -#define tmp2 r20 -#define tmp3 r21 -#define tmp4 r22 -#define tmp5 arg3 -#define tmp6 r31 -#define save r1 -#define tmp7 ret1 /* source offset-- reset to orig source addr if not aligned */ - - -ENTRY(strncat) - - comb,= r0,s_addr,quit /* quit if s2=NULL */ - copy d_addr,ret0 /* The return value is the value of d_addr. DELAY SLOT*/ - -/* First look for end of s1 (d_addr) */ - - extru d_addr,31,2,tmp1 /* Extract the low two bits of the dest address. */ - combt,= tmp1,r0,dont_mask - dep 0,31,2,d_addr /*set word alignment */ - ldwm 4(d_addr),tmp2 - sh3add tmp1,r0,save /* build mask based on tmp1 */ - mtctl save,11 - zvdepi -2,32,save - or save,tmp2,tmp2 - uxor,nbz tmp2,r0,save -search: - b,n found_end /* nullified under uxor conditions above and below */ -dont_mask: - ldwm 4(d_addr),tmp2 - comib,tr r0,r0,search - uxor,nbz tmp2,r0,save - -found_end: /* at this point d_addr points to word */ - extru,<> save,7,8,r0 /* following word with null */ - addib,tr,n -4,d_addr,begin_copy /*set d_addr to end of s1 */ - extru,<> save,15,8,r0 - addib,tr,n -3,d_addr,begin_copy - extru,<> save,23,8,r0 - addi -1,d_addr,d_addr - addi -1,d_addr,d_addr - - -begin_copy: - addibt,<,n -4,count,byteloop /* If count is <= 4 don't get fancy.*/ - - extru s_addr,31,2,tmp4 /* Extract the low two bits of the source address.*/ - extru d_addr,31,2,tmp5 /* Extract the low two bits of the destination address.*/ - add count,tmp5,count /* pre increment the count by the byte address so that the count is*/ - copy s_addr,tmp6 /* save original s_addr in case we find null in first word */ - copy s_addr, tmp7 /* save s_addr in case we find null before first store */ - comb,<> tmp5,tmp4,not_aligned /* branch if tmp5<>tmp4. */ - dep 0,31,2,s_addr /* Compute the word address of the source. DELAY SLOT.*/ -/* aligned*/ - combt,= tmp5,r0,skip_mask - ldwm 4(0,s_addr),tmp1 /* tmp1 = *s_addr s_addr += 4 (DELAY SLOT)*/ - sh3add tmp5,r0,save /* compute mask in save*/ - mtctl save,11 - zvdepi -2,32,save - or save,tmp1,tmp1 /* or mask with data*/ - uxor,nbz tmp1,r0,save /* check for null*/ - b,n null1 - addibt,< -4,count,back_porch - stbys,b,m tmp1,4(0,d_addr) /* store word (delay slot)*/ - -chunks: - ldwm 4(0,s_addr),tmp1 /* get a word*/ - -skip_mask: - uxor,nbz tmp1,r0,save /* check for null*/ - b,n align_null1 - addibf,< -4,count,chunks - stbys,b,m tmp1,4(0,d_addr) /* store word (delay slot)*/ - -back_porch: /* last word to store*/ - addibt,=,n 4,count,done /* if count = 0 we're, of course, done !*/ - ldws 0(s_addr),tmp1 /* load up the back_porch*/ - sh3add count,r0, save /* setup right mask based on count*/ - mtctl save,r11 - zvdepi -2,32,save /*save now has left-hand mask*/ - uaddcm r0,save,save /*form right hand mask */ - or tmp1,save,tmp1 /*and insert data*/ - uxor,nbz tmp1,r0,save /* check for null*/ - b,n null2 - add d_addr,count,d_addr/* final store address is +1 too high !*/ - b done - stbys,e tmp1,0(d_addr) /* done */ - -/* Begin non_aligned code. */ -not_aligned: - sub,>= tmp5,tmp4,tmp6 /* compute the shift amt.and skip load if tmp5 > tmp4.*/ - ldwm 4(0,s_addr),tmp1 /* load up the first word from the source. tmp1 = *s_addr++*/ - zdep tmp6,28,29,tmp4 /* compute the number of bits to shift */ - mtctl tmp4,11 /* load the shift count into cr11 = shift count register.*/ - addibt,<,n -4,count,chkchnk2 /* first step in pre adjustment of count for looping.*/ - - ldwm 4(0,s_addr),tmp2 /* get either first or second word from source. */ - combt,= tmp5,r0,skip_mask4 /* don't mask if whole word is valid*/ - vshd tmp1,tmp2,tmp3 /* position data ! (delay slot)*/ - sh3add tmp5,r0,save /* setup r1*/ - mtctl save,r11 /* setup mask in save*/ - zvdepi -2,32,save - or save, tmp3, tmp3 - mtctl tmp4,11 /* re-load the shift count into cr11 */ - -skip_mask4: - uxor,nbz tmp3, r0, save - b,n null4 /* special case for first word */ - copy r0, tmp5 /* zero out tmp5 so we don't try to mask again*/ - copy r0, tmp7 /* zero out tmp7 so we don't try to use original s_addr anymore */ - b continue - stbys,b,m tmp3,4(0,d_addr) /* store ! */ - -chunk2: - ldwm 4(0,s_addr),tmp2 - vshd tmp1,tmp2,tmp3 - -skip_mask2: - uxor,nbz tmp3, r0, save - b,n null3 - stbys,b,m tmp3,4(0,d_addr) /* store ! */ - -continue: - ldwm 4(0,s_addr),tmp1 /* get 2nd word ! */ - vshd tmp2,tmp1,tmp3 /* position data ! */ - uxor,nbz tmp3, r0, save - b,n null3 - - addibf,< -8,count,chunk2 /* If count is still >= 8 do another loop.*/ - stbys,b,m tmp3,4(0,d_addr) /* store !*/ - -chkchnk2: - addibt,<,n 4,count,bp_0 /* if we don't have 4 bytes left then do the back porch (bp_0)*/ - -subchnk2: /* we have less than 8 chars to copy*/ - - ldwm 4(0,s_addr),tmp2 /* get next word !*/ - combt,= tmp5,r0,skip_mask3 - vshd tmp1,tmp2,tmp3 /* position data !*/ - sh3add tmp5,r0,save /* setup r1*/ - mtctl save,r11 /* setup mask in save*/ - zvdepi -2,32,save - or save, tmp3, tmp3 - mtctl tmp4,11 /* restore shift value again */ -skip_mask3: - uxor,nbz tmp3,r0,save - b,n null3 - copy r0,tmp5 /* zero out tmp5 so null3 does correct alignment */ - copy r0,tmp7 /* zero out tmp7 so we don't use orignal s_addr since no longer valid */ - b bp_1 /* we now have less than 4 bytes to move*/ - stbys,b,m tmp3,4(0,d_addr) /* store !*/ - -bp_0: - copy tmp1,tmp2 /* switch registers for shift process */ - addibt,<=,n 4,count,done /* if count = -4 this implies that count = 0 -> done */ - -bp_1: - ldwm 4(0,s_addr),tmp1 /* get final word ! */ - vshd tmp2,tmp1,tmp3 /* position data !*/ - uxor,nbz tmp3,r0,save /* if no-byte-zero */ - b,n bp_null /* don't goto no_null-find which null instead */ -no_null: - add d_addr,count,d_addr /* set up d_addr for stbys,e */ - b done /* were done*/ - stbys,e tmp3,0(0,d_addr) /* store the data !*/ - -/* here we do ye old byte-at-a-time moves.*/ -align_null1: - b byteloop - addi -4,s_addr,s_addr -null1: - copy tmp6,s_addr /* restore orig s_addr (aligned only) */ -byteloop: - addibt,= 4,count,done -null2: - ldbs,ma 1(s_addr),tmp1 -encore: - combt,=,n tmp1,r0, done - stbs,ma tmp1,1(d_addr) - addibf,=,n -1,count,encore - ldbs,ma 1(s_addr),tmp1 - b,n done - -bp_null: - addi -4,count,count /* fudge count 'cause byteloop will re-increment */ - -null3: /* not_aligned case reset s_addr and finish byte-wise */ - combt,=,n r0,tmp7,null3a /* if tmp7 is not valid address then branch below */ - b byteloop /* otherwise reset s_addr to tmp7 and finish */ - copy tmp7, s_addr - -null3a: /* right shift target */ - addibt,<,n 0,tmp6,null3b /* if left shifting */ - sub r0,tmp6,tmp6 /* do null3b code */ - addi -4,tmp6,tmp6 - b byteloop - add tmp6,s_addr,s_addr /* reset s_addr by 4 + shift_amt */ - -null3b: - subi -8,tmp6,tmp6 - add tmp5,tmp6,tmp6 /* adjust by the dest offset if this is our first store */ - b byteloop - add tmp6,s_addr,s_addr /* adjust s_addr by (8-shift_amt-dest_off) */ - -null4: - add,> tmp6,r0,tmp6 /* if left shift */ - b,n null3 /* then do null3 */ - b byteloop - addi -4,s_addr,s_addr /* adj source only by 4 */ - -done: - bv 0(r2) - stbs r0,0(d_addr) -quit: -EXIT(strncat) diff --git a/newlib/libc/machine/hppa/strncmp.S b/newlib/libc/machine/hppa/strncmp.S deleted file mode 100644 index 222384ee7..000000000 --- a/newlib/libc/machine/hppa/strncmp.S +++ /dev/null @@ -1,189 +0,0 @@ -/* - * (c) Copyright 1986 HEWLETT-PACKARD COMPANY - * - * To anyone who acknowledges that this file is provided "AS IS" - * without any express or implied warranty: - * permission to use, copy, modify, and distribute this file - * for any purpose is hereby granted without fee, provided that - * the above copyright notice and this notice appears in all - * copies, and that the name of Hewlett-Packard Company not be - * used in advertising or publicity pertaining to distribution - * of the software without specific, written prior permission. - * Hewlett-Packard Company makes no representations about the - * suitability of this software for any purpose. - */ - -/* strcmp(s1, s2) */ -/* returns integer: < 0 iff s1 lexicographically less than s2 */ -/* > 0 iff s1 lexicographically greater than s2 */ -/* = 0 iff s1 lexicographically equal to s2 */ -/* = 0 iff s1 lexicographically equal to s2 */ -/* quit after n charachters */ -#include "DEFS.h" - -#define s1 26 -#define s2 25 -#define tmp1 19 -#define s2word 20 -#define tmp3 21 -#define tmp7 22 -#define s1word 29 -#define save 1 -#define tmp6 23 -#define tmp5 28 -#define count 24 - -ENTRY(strncmp) - combt,<,n r0,count,search /* N <= 0 yields equality */ - bv r0(rp) /* */ - copy 0,ret0 /* return 0 (DELAY SLOT) */ -search: combf,=,n s1,s2,findout /* s1 != s2? */ - bv r0(rp) /* */ - copy 0,ret0 /* return 0 (delay slot) */ -findout: - comibf,=,n 0,s1,checks1 /* s1 == NULL? */ - ldbs 0(0,s2),ret0 /* */ - bv r0(rp) /* */ - subi 0,ret0,ret0 /* ret0 <- -*s2 */ -checks1: - comibf,=,n 0,s2,checkitout /* s2 == NULL? */ - bv r0(rp) /* */ - ldbs 0(0,s1),28 /* return *s1 */ - -checkitout: - extru s2,31,2,tmp1 /* Extract the low two bits of the s2. */ - extru s1,31,2,tmp5 /* Extract the low two bits of the s1 */ - sub,= tmp5,tmp1,tmp3 /* Are s1 & s2 aligned with each other? */ - b not_aligned /* It's more complicated (not_aligned) */ - dep 0,31,2,s1 /* Compute word address of s1 (DELAY SLOT) */ - dep 0,31,2,s2 /* Compute word address of s2 */ - ldwm 4(0,s1),s1word /* get next s1 word s1+=4 */ - combt,= tmp5,r0,skipmask /* skip masking, if we can */ - ldwm 4(0,s2),s2word /* get next s2 word s2+=4 (DELAY SLOT) */ - add tmp5,count,count /* bump count by the number of bytes */ - /* we are going to mask */ - sh3add tmp5,r0,save /* save now has number of bits to mask */ - mtctl save,11 - zvdepi -2,32,save /* load save with proper mask */ - or save,s1word,s1word /* mask s1word (s1) */ - or save,s2word,s2word /* mask s2word (s2) */ - - -skipmask: - combt,=,n s1word,s2word,chknulls /* are these words equal? */ - -checkbyte: - extru s1word,7,8,tmp3 /* get first byte (character) */ -ckbyte2: extru s2word,7,8,tmp7 /* get first byte (character) */ - combf,= tmp3,tmp7,done /* quit if first byte is not equal */ - sub tmp3,tmp7,ret0 /* return difference (delay slot) */ - comibt,=,n 0,tmp3,done /* have we reached the end of string */ - /* if so done ret0 already has zero */ - addibt,<=,n -1,count,done /* have we checked N chars? ret0 == 0 */ - extru s1word,15,8,tmp3 /* get second byte (character) */ - extru s2word,15,8,tmp7 /* get second byte (character) */ - combf,= tmp3,tmp7,done /* quit if second byte is not equal */ - sub tmp3,tmp7,ret0 /* return difference (delay slot) */ - comibt,=,n 0,tmp3,done /* have we reached the end of string */ - /* if so done ret0 already has zero */ - addibt,<=,n -1,count,done /* have we checked N chars? */ - extru s1word,23,8,tmp3 /* get third byte (character) */ - extru s2word,23,8,tmp7 /* get third byte (character) */ - combf,= tmp3,tmp7,done /* done if third byte is not equal */ - sub tmp3,tmp7,ret0 /* return difference (delay slot) */ - comibt,=,n 0,tmp3,done /* have we reached the end of string */ - /* if so done ret0 already has zero */ - addibt,<=,n -1,count,done /* have we checked N chars? */ - extru s1word,31,8,tmp3 /* get last byte (character) */ - extru s2word,31,8,tmp7 /* get last byte (character) */ - bv r0(rp) /* */ - sub tmp3,tmp7,ret0 /* the last characters in the word is */ - /* where the difference is, so return */ - /* the difference and we're outta here */ - - -chknulls: - addibt,<=,n -4,count,zero /* have we checked N chars? */ - uxor,nbz s1word,0,0 /* don't have to check s2 Just quit */ - bv r0(rp) /* */ - copy 0,28 /* return 0 */ - ldwm 4(0,s2),s2word /* get next s2 word s2+=4 */ - b skipmask /* keep checking */ - ldwm 4(0,s1),s1word /* get next s1 word s1+=4 */ - - -not_aligned: - dep r0,31,2,s2 /* Compute word address of s2 */ - combt,<,n r0,tmp3,shifts1 /* Do we shift s1 or s2 */ - sh3add tmp3,r0,tmp3 /* eight bits per byte so mul by 8 */ - ldwm 4(0,s1),s1word /* get first word of s1 */ - ldwm 4(0,s2),s2word /* get first word or s2 */ - combt,=,n r0,tmp5,masks2 /* Do we need to mask beginning of s1 */ - add tmp5,count,count /* bump count by the number of bytes */ - /* we are going to mask */ - sh3add tmp5,r0,save /* save now has number of bits to mask */ - mtctl save,11 - zvdepi -2,32,save /* load save with proper mask */ - or save,s1word,s1word /* */ -masks2: sh3add tmp1,r0,save /* save now has number of bits to mask */ - mtctl save,11 - zvdepi -2,32,save /* load save with proper mask */ - or save,s2word,s2word /* */ - mtctl tmp3,11 /* Move shift amount to CR11 */ -more: uxor,nbz s2word,r0,r0 /* Is there a null in first word */ - b,n chunk1 /* */ - ldwm 4(0,s2),tmp7 /* load second word to enable us to shift */ - vshd s2word,tmp7,s2word /* */ - combf,=,n s1word,s2word,ckbyte2 /* */ - extru s1word,7,8,tmp3 /* get first byte (DELAY SLOT) */ - addibt,<=,n -4,count,zero /* have we checked N chars? */ - uxor,nbz s1word,0,0 /* even though they're equal we could be done */ - b,n zero - copy tmp7,s2word /* */ - b more /* keep checking */ - ldwm 4(0,s1),s1word /* get next s1 (DELAY SLOT) */ - -chunk1: - vshd s2word,r0,s2word /* */ - b ckbyte2 /* */ - extru s1word,7,8,tmp3 /* */ - - -shifts1: - sh3add tmp3,r0,tmp3 /* eight bits per byte so mul by 4 */ - sub r0,tmp3,tmp3 /* Get negative value for left shift */ - ldwm 4(0,s2),s2word /* get first word of s2 */ - ldwm 4(0,s1),s1word /* get first word or s1 */ - combt,=,n r0,tmp1,masks1 /* Do we need to mask beginning of s2 */ - add tmp1,count,count /* bump count by the number of bytes */ - /* we are going to mask */ - sh3add tmp1,r0,save /* save now has number of bits to mask */ - mtctl save,11 - zvdepi -2,32,save /* load save with proper mask */ - or save,s2word,s2word /* */ -masks1: sh3add tmp5,r0,save /* save now has number of bits to mask */ - mtctl save,11 - zvdepi -2,32,save /* load save with proper mask */ - or save,s1word,s1word /* */ - mtctl tmp3,11 /* Move shift amount to CR11 */ -more1: uxor,nbz s1word,r0,r0 /* Is there a null in first byte */ - b,n chunk2 /* */ - ldwm 4(0,s1),tmp7 /* load second word to enable us to shift */ - vshd s1word,tmp7,s1word /* */ - combf,=,n s2word,s1word,ckbyte2 /* */ - extru s1word,7,8,tmp3 /* get first byte (DELAY SLOT) */ - addibt,<=,n -4,count,zero /* have we checked N chars? */ - uxor,nbz s2word,0,0 /* even though they're equal we could be done */ - b,n zero /* zero ret0 and quit */ - copy tmp7,s1word /* */ - b more1 /* keep checking */ - ldwm 4(0,s2),s2word /* get next s2 (DELAY SLOT) */ - -chunk2: - vshd s1word,r0,s1word /* */ - b ckbyte2 /* */ - extru s1word,7,8,tmp3 /* */ - -zero: copy r0,ret0 -done: -EXIT(strncmp) diff --git a/newlib/libc/machine/hppa/strncpy.S b/newlib/libc/machine/hppa/strncpy.S deleted file mode 100644 index 37ed83237..000000000 --- a/newlib/libc/machine/hppa/strncpy.S +++ /dev/null @@ -1,256 +0,0 @@ -/* - * (c) Copyright 1986 HEWLETT-PACKARD COMPANY - * - * To anyone who acknowledges that this file is provided "AS IS" - * without any express or implied warranty: - * permission to use, copy, modify, and distribute this file - * for any purpose is hereby granted without fee, provided that - * the above copyright notice and this notice appears in all - * copies, and that the name of Hewlett-Packard Company not be - * used in advertising or publicity pertaining to distribution - * of the software without specific, written prior permission. - * Hewlett-Packard Company makes no representations about the - * suitability of this software for any purpose. - */ - -/* HPUX_ID: @(#) $Revision$ */ -/* - * strncpy(s1, s2, n) - * - * Copy s2 to s1, truncating or null-padding to always copy n bytes - * return s1 - */ - -#include "DEFS.h" - -#define d_addr r26 -#define s_addr r25 -#define count r24 -#define tmp1 r19 -#define tmp2 r20 -#define tmp3 r21 -#define tmp4 r22 -#define tmp5 arg3 -#define save r1 - - -ENTRY(strncpy) - - combt,= s_addr,r0,pad_null_bytes1 /* if s2==NULL then pad nulls and exit */ - copy d_addr,ret0 /* The return value is defined to be the value of d_addr. DELAY SLOT*/ - addibt,<,n -4,count,byteloop /* If count is <= 4 don't get fancy.*/ - - extru s_addr,31,2,tmp1 /* Extract the low two bits of the source address.*/ - extru d_addr,31,2,tmp5 /* Extract the low two bits of the destination address.*/ - add count,tmp5,count /* pre increment the count by the byte address so that the count is*/ - comb,<> tmp5,tmp1,not_aligned /* branch if tmp5<>tmp1. */ - dep 0,31,2,s_addr /* Compute the word address of the source. DELAY SLOT.*/ -/* aligned*/ - combt,= tmp5,r0,skip_mask - ldwm 4(0,s_addr),tmp1 /* tmp1 = *s_addr s_addr += 4 (DELAY SLOT)*/ - sh3add tmp5,r0,save /* compute mask in save*/ - mtctl save,11 - zvdepi -2,32,save - b skip_mask /* don't reload tmp1*/ - or save,tmp1,tmp1 /* or mask with data*/ - -chunks: - ldwm 4(0,s_addr),tmp1 /* get a word*/ - -skip_mask: - uxor,nbz tmp1,r0,save /* check for null*/ - b,n null1 - addibf,< -4,count,chunks - stbys,b,m tmp1,4(0,d_addr) /* store word (delay slot)*/ - -/* back_porch last word to store*/ - addibt,=,n 4,count,done /* if count = 0 we're, of course, done !*/ - ldws 0(s_addr),tmp1 /* load up the back_porch*/ - add d_addr,count,d_addr/* final store address is +1 too high !*/ - sh3add count,r0, save /* setup right mask based on count*/ - mtctl save,r11 - zvdepi -2,32,save /*save now has left-hand mask*/ - uaddcm r0,save,save /*form right hand mask */ - or tmp1,save,tmp1 /*and insert data*/ - uxor,nbz tmp1,r0,save /* check for null*/ - b,n null2 - bv 0(r2) - stbys,e tmp1,0(d_addr) /* done */ - -/* Begin non_aligned code. */ -not_aligned: - sub,>= tmp5,tmp1,tmp3 /* compute the shift amt.and skip load if tmp5 > tmp1.*/ - ldwm 4(0,s_addr),tmp1 /* load up the first word from the source. tmp1 = *s_addr++*/ - zdep tmp3,28,29,tmp4 /* compute the number of bits to shift */ - mtctl tmp4,11 /* load the shift count into cr11 = shift count register.*/ - addibt,<,n -4,count,chkchnk2 /* first step in pre adjustment of count for looping.*/ - - ldwm 4(0,s_addr),tmp2 /* get either first or second word from source. */ - combt,= tmp5,r0,skip_mask2 /* don't mask if whole word is valid*/ - vshd tmp1,tmp2,tmp3 /* position data ! (delay slot)*/ - sh3add tmp5,r0,save /* setup r1*/ - mtctl save,r11 /* setup mask in save*/ - zvdepi -2,32,save - or save, tmp3, tmp3 - mtctl tmp4,11 /* re-load the shift count into cr11 */ - b skip_mask2 - copy r0, tmp5 /* zero out tmp5 so we don't try to mask again*/ - -chunk2: - ldwm 4(0,s_addr),tmp2 - vshd tmp1,tmp2,tmp3 - -skip_mask2: - uxor,nbz tmp3, r0, save - b,n null3 - stbys,b,m tmp3,4(0,d_addr) /* store ! */ - - ldwm 4(0,s_addr),tmp1 /* get 2nd word ! */ - vshd tmp2,tmp1,tmp3 /* position data ! */ - uxor,nbz tmp3, r0, save - b,n null4 - - addibf,< -8,count,chunk2 /* If count is still >= 8 do another loop.*/ - stbys,b,m tmp3,4(0,d_addr) /* store !*/ - -chkchnk2: - addibt,<,n 4,count,bp_0 /* if we don't have 4 bytes left then do the back porch (bp_0)*/ - -subchnk2: /* we have less than 8 chars to copy*/ - - ldwm 4(0,s_addr),tmp2 /* get next word !*/ - combt,= tmp5,r0,skip_mask3 - vshd tmp1,tmp2,tmp3 /* position data !*/ - sh3add tmp5,r0,save /* setup r1*/ - mtctl save,r11 /* setup mask in save*/ - zvdepi -2,32,save - or save, tmp3, tmp3 - mtctl tmp4,11 /* restore shift value again */ - copy r0, tmp5 /* zero out tmp5 so we don't try to mask again*/ -skip_mask3: - uxor,nbz tmp3,r0,save - b,n null4 - b bp_1 /* we now have less than 4 bytes to move*/ - stbys,b,m tmp3,4(0,d_addr) /* store !*/ - -bp_0: - copy tmp1,tmp2 /* switch registers used in the shift process.*/ - addibt,<=,n 4,count,done /* if count = -4 this implies that count = 0 -> done */ - -bp_1: - ldwm 4(0,s_addr),tmp1 /* get final word ! */ - vshd tmp2,tmp1,tmp3 /* position data !*/ - uxor,sbz tmp3,r0,save /* if some-byte-zero */ - b no_null /* don't goto no_null-find which null instead */ - add d_addr,count,d_addr /* get d_addr ready for stbys,e */ - extru,<> save,7,8,r0 - b found_null5 - copy r0, tmp5 - extru,<> save,15,8,r0 - b found_null5 - ldil 0x1FE000,tmp5 /* setup mask (FF000000)*/ - extru,<> save,23,8,r0 - b found_null5 - ldil 0x1FFFE0,tmp5 /* setup mask (FFFF0000)*/ - ldo -1(r0),tmp5 /* setup mask (FFFFFFFF)*/ -found_null5: - and tmp3,tmp5,tmp3 /* zero out tmp5 based on mask in tmp5*/ -no_null: - bv 0(r2) /* were done*/ - stbys,e tmp3,0(0,d_addr) /* store the data !*/ - -/* here we do ye old byte-at-a-time moves.*/ -byteloop: - addibt,=,n 4,count,done - comb,= 0,s_addr,done - stbs r0,0(d_addr) /* store null in case s_addr == NULL */ - ldbs,ma 1(s_addr),tmp1 -encore: - combt,=,n tmp1,r0, pad_null_bytes1 - stbs,ma tmp1,1(d_addr) - addibf,=,n -1,count,encore - ldbs,ma 1(s_addr),tmp1 - b,n done - -pnb_1: - addibt,=,n 4,count,done /* if count was already 0 then we're done*/ - -pad_null_bytes1: - combt,=,n count,r0,done /* if count==0 then exit */ -pad_null_bytes2: - addibf,= -1,count,pad_null_bytes2 - stbs,ma r0,1(d_addr) - b,n done - -pad_nulls: - addibf,<=,n -4,count,pad_nulls - stwm r0,4(d_addr) - b,n pnb_1 - - -null1: - extru,<> save,7,8,r0 - b found_null1 - copy r0, tmp5 - extru,<> save,15,8,r0 - b found_null1 - ldil 0x1FE000,tmp5 /* setup mask (FF000000)*/ - extru,<> save,23,8,r0 - b found_null1 - ldil 0x1FFFE0,tmp5 /* setup mask (FFFF0000)*/ - ldo -1(r0),tmp5 /* setup mask (FFFFFFFF)*/ -found_null1: - and tmp1,tmp5,tmp1 /*zero out tmp1 according to mask*/ - b pad_nulls /* nullify remaining count bytes*/ - stbys,b,m tmp1,4(0,d_addr) /* first word (account for alignment)*/ - - -null2: /* back porch case. We have less than 4 bytes to go.*/ - extru,<> save,7,8,r0 /* is null in 1st byte? */ - b found_null2 - copy r0, tmp5 - extru,<> save,15,8,r0 /* is null in 2nd byte? */ - b found_null2 - ldil 0x1FE000,tmp5 /* setup mask (FF000000)*/ - b found_null2 /* null must be in 3rd byte */ - ldil 0x1FFFE0,tmp5 /* setup mask (FFFF0000)*/ -found_null2: - and tmp1,tmp5,tmp1 /*zero out tmp1 according to mask*/ - bv 0(r2) /* we're done*/ - stbys,e tmp1,0(0,d_addr) /* last word (back porch)*/ - -null3: /* not_aligned case where null is found in first of two words--adjust count*/ - extru,<> save,7,8,r0 - b found_null3 - copy r0, tmp5 - extru,<> save,15,8,r0 - b found_null3 - ldil 0x1FE000,tmp5 /* setup mask (FF000000)*/ - extru,<> save,23,8,r0 - b found_null3 - ldil 0x1FFFE0,tmp5 /* setup mask (FFFF0000)*/ - ldo -1(r0),tmp5 /* setup mask (FFFFFFFF)*/ -found_null3: - addi 4,count,count /* fix count since null is in first of two words*/ - and tmp3,tmp5,tmp3 /*zero out tmp3 according to mask*/ - b pad_nulls /* nullify remaining count bytes*/ - stbys,b,m tmp3,4(d_addr) - -null4: /* not_aligned case where null is found in second of two words*/ - extru,<> save,7,8,r0 - b found_null4 - copy r0, tmp5 - extru,<> save,15,8,r0 - b found_null4 - ldil 0x1FE000,tmp5 /* setup mask (FF000000)*/ - extru,<> save,23,8,r0 - b found_null4 - ldil 0x1FFFE0,tmp5 /* setup mask (FFFF0000)*/ - ldo -1(r0),tmp5 /* setup mask (FFFFFFFF)*/ -found_null4: - and tmp3,tmp5,tmp3 /*zero out tmp4 according to mask*/ - b pad_nulls /* nullify remaining count bytes*/ - stbys,b,m tmp3,4(d_addr) - -done: -EXIT(strncpy) |