diff options
Diffstat (limited to 'newlib/libc/machine/mips')
| -rw-r--r-- | newlib/libc/machine/mips/Makefile.am | 12 | ||||
| -rw-r--r-- | newlib/libc/machine/mips/Makefile.in | 327 | ||||
| -rw-r--r-- | newlib/libc/machine/mips/aclocal.m4 | 366 | ||||
| -rwxr-xr-x | newlib/libc/machine/mips/configure | 1880 | ||||
| -rw-r--r-- | newlib/libc/machine/mips/configure.in | 12 | ||||
| -rw-r--r-- | newlib/libc/machine/mips/machine/regdef.h | 38 | ||||
| -rw-r--r-- | newlib/libc/machine/mips/memcpy.c | 164 | ||||
| -rw-r--r-- | newlib/libc/machine/mips/memset.c | 142 | ||||
| -rw-r--r-- | newlib/libc/machine/mips/setjmp.S | 97 | ||||
| -rw-r--r-- | newlib/libc/machine/mips/strcmp.c | 71 | ||||
| -rw-r--r-- | newlib/libc/machine/mips/strlen.c | 71 | ||||
| -rw-r--r-- | newlib/libc/machine/mips/strncpy.c | 229 |
12 files changed, 0 insertions, 3409 deletions
diff --git a/newlib/libc/machine/mips/Makefile.am b/newlib/libc/machine/mips/Makefile.am deleted file mode 100644 index 74c08bca5..000000000 --- a/newlib/libc/machine/mips/Makefile.am +++ /dev/null @@ -1,12 +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 = setjmp.S strlen.c strcmp.c strncpy.c memset.c memcpy.c - -ACLOCAL_AMFLAGS = -I ../../.. -CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host diff --git a/newlib/libc/machine/mips/Makefile.in b/newlib/libc/machine/mips/Makefile.in deleted file mode 100644 index c992f3b2d..000000000 --- a/newlib/libc/machine/mips/Makefile.in +++ /dev/null @@ -1,327 +0,0 @@ -# Makefile.in generated automatically by automake 1.4-p6 from Makefile.am - -# Copyright (C) 1994, 1995-8, 1999, 2001 Free Software Foundation, Inc. -# This Makefile.in is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY, to the extent permitted by law; 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- -TRAD_SYNOPSIS - void *memcpy(<[out]>, <[in]>, <[n]> - void *<[out]>; - void *<[in]>; - size_t <[n]>; - -DESCRIPTION - This function copies <[n]> bytes from the memory region - pointed to by <[in]> to the memory region pointed to by - <[out]>. - - If the regions overlap, the behavior is undefined. - -RETURNS - <<memcpy>> returns a pointer to the first byte of the <[out]> - region. - -PORTABILITY -<<memcpy>> is ANSI C. - -<<memcpy>> requires no supporting OS subroutines. - -QUICKREF - memcpy ansi pure - */ - -#include <_ansi.h> -#include <stddef.h> -#include <limits.h> - -#ifdef __mips64 -#define wordtype long long -#else -#define wordtype long -#endif - -/* Nonzero if either X or Y is not aligned on a "long" boundary. */ -#define UNALIGNED(X, Y) \ - (((long)X & (sizeof (wordtype) - 1)) | ((long)Y & (sizeof (wordtype) - 1))) - -/* How many bytes are copied each iteration of the 4X unrolled loop. */ -#define BIGBLOCKSIZE (sizeof (wordtype) << 2) - -/* How many bytes are copied each iteration of the word copy loop. */ -#define LITTLEBLOCKSIZE (sizeof (wordtype)) - -/* Threshhold for punting to the byte copier. */ -#define TOO_SMALL(LEN) ((LEN) < BIGBLOCKSIZE) - -_PTR -_DEFUN (memcpy, (dst0, src0, len0), - _PTR dst0 _AND - _CONST _PTR src0 _AND - size_t len0) -{ -#if defined(PREFER_SIZE_OVER_SPEED) || defined(__OPTIMIZE_SIZE__) || defined(__mips16) - char *dst = (char *) dst0; - char *src = (char *) src0; - - _PTR save = dst0; - - while (len0--) - { - *dst++ = *src++; - } - - return save; -#else - char *dst = dst0; - _CONST char *src = src0; - wordtype *aligned_dst; - _CONST wordtype *aligned_src; - int len = len0; - size_t iter; - - /* Handle aligned moves here. */ - if (!UNALIGNED (src, dst)) - { - iter = len / BIGBLOCKSIZE; - len = len % BIGBLOCKSIZE; - aligned_dst = (wordtype *)dst; - aligned_src = (wordtype *)src; - - /* Copy 4X long or long long words at a time if possible. */ - while (iter > 0) - { - wordtype tmp0 = aligned_src[0]; - wordtype tmp1 = aligned_src[1]; - wordtype tmp2 = aligned_src[2]; - wordtype tmp3 = aligned_src[3]; - - aligned_dst[0] = tmp0; - aligned_dst[1] = tmp1; - aligned_dst[2] = tmp2; - aligned_dst[3] = tmp3; - aligned_src += 4; - aligned_dst += 4; - iter--; - } - - /* Copy one long or long long word at a time if possible. */ - iter = len / LITTLEBLOCKSIZE; - len = len % LITTLEBLOCKSIZE; - - while (iter > 0) - { - *aligned_dst++ = *aligned_src++; - iter--; - } - - /* Pick up any residual with a byte copier. */ - dst = (char*)aligned_dst; - src = (char*)aligned_src; - - while (len > 0) - { - *dst++ = *src++; - len--; - } - - return dst0; - } - - /* Handle unaligned moves here, using lwr/lwl and swr/swl where possible */ - else - { -#ifndef NO_UNALIGNED_LOADSTORE - int tmp; - int *int_src = (int *)src; - int *int_dst = (int *)dst; - iter = len / 4; - len = len % 4; - while (iter > 0) - { - __asm__ ("ulw %0,%1" : "=r" (tmp) : "m" (*int_src)); - iter--; - int_src++; - __asm__ ("usw %1,%0" : "=m" (*int_dst) : "r" (tmp)); - int_dst++; - } - - /* Pick up any residual with a byte copier. */ - dst = (char*)int_dst; - src = (char*)int_src; -#endif - - while (len > 0) - { - *dst++ = *src++; - len--; - } - - return dst0; - } -#endif /* not PREFER_SIZE_OVER_SPEED */ -} diff --git a/newlib/libc/machine/mips/memset.c b/newlib/libc/machine/mips/memset.c deleted file mode 100644 index 786ba7971..000000000 --- a/newlib/libc/machine/mips/memset.c +++ /dev/null @@ -1,142 +0,0 @@ -/* -FUNCTION - <<memset>>---set an area of memory, optimized for the MIPS processors - -INDEX - memset - -ANSI_SYNOPSIS - #include <string.h> - void *memset(const void *<[dst]>, int <[c]>, size_t <[length]>); - -TRAD_SYNOPSIS - #include <string.h> - void *memset(<[dst]>, <[c]>, <[length]>) - void *<[dst]>; - int <[c]>; - size_t <[length]>; - -DESCRIPTION - This function converts the argument <[c]> into an unsigned - char and fills the first <[length]> characters of the array - pointed to by <[dst]> to the value. - -RETURNS - <<memset>> returns the value of <[m]>. - -PORTABILITY -<<memset>> is ANSI C. - - <<memset>> requires no supporting OS subroutines. - -QUICKREF - memset ansi pure -*/ - -#include <string.h> - -#ifdef __mips64 -#define wordtype long long -#else -#define wordtype long -#endif - -#define LBLOCKSIZE (sizeof(wordtype)) -#define UNALIGNED(X) ((long)(X) & (LBLOCKSIZE - 1)) -#define TOO_SMALL(LEN) ((LEN) < LBLOCKSIZE * 4) - -_PTR -_DEFUN (memset, (m, c, n), - _PTR m _AND - int c _AND - size_t n) -{ -#if defined(PREFER_SIZE_OVER_SPEED) || defined(__OPTIMIZE_SIZE__) || defined(__mips16) - char *s = (char *) m; - - while (n-- != 0) - { - *s++ = (char) c; - } - - return m; -#else - char *s = (char *) m; - int i; - unsigned wordtype buffer; - unsigned wordtype *aligned_addr; - unsigned short *short_addr; - size_t iter; - - if (!TOO_SMALL (n)) - { - int unaligned = UNALIGNED (s); - - /* We know that N is >= LBLOCKSIZE so we can just word - align the S without having to check the length. */ - - if (unaligned) - { - while (unaligned++ < LBLOCKSIZE) - *s++ = (char)c, n--; - } - - /* S is now word-aligned so we can process the remainder - in word sized chunks except for a few (< LBLOCKSIZE) - bytes which might be left over at the end. */ - - aligned_addr = (unsigned wordtype *)s; - - /* Store C into each char sized location in BUFFER so that - we can set large blocks quickly. */ - c &= 0xff; - buffer = c; - if (buffer != 0) - { - if (LBLOCKSIZE == 4) - { - buffer |= (buffer << 8); - buffer |= (buffer << 16); - } - else if (LBLOCKSIZE == 8) - { - buffer |= (buffer << 8); - buffer |= (buffer << 16); - buffer |= ((buffer << 31) << 1); - } - else - { - for (i = 1; i < LBLOCKSIZE; i++) - buffer = (buffer << 8) | c; - } - } - - iter = n / (2*LBLOCKSIZE); - n = n % (2*LBLOCKSIZE); - while (iter > 0) - { - aligned_addr[0] = buffer; - aligned_addr[1] = buffer; - aligned_addr += 2; - iter--; - } - - if (n >= LBLOCKSIZE) - { - *aligned_addr++ = buffer; - n -= LBLOCKSIZE; - } - - /* Pick up the remainder with a bytewise loop. */ - s = (char*)aligned_addr; - } - - while (n > 0) - { - *s++ = (char)c; - n--; - } - - return m; -#endif /* not PREFER_SIZE_OVER_SPEED */ -} diff --git a/newlib/libc/machine/mips/setjmp.S b/newlib/libc/machine/mips/setjmp.S deleted file mode 100644 index 268cb1862..000000000 --- a/newlib/libc/machine/mips/setjmp.S +++ /dev/null @@ -1,97 +0,0 @@ -/* This is a simple version of setjmp and longjmp for MIPS 32 and 64. - - Ian Lance Taylor, Cygnus Support, 13 May 1993. */ - -#ifdef __mips16 -/* This file contains 32 bit assembly code. */ - .set nomips16 -#endif - -#define GPR_LAYOUT \ - GPR_OFFSET ($16, 0); \ - GPR_OFFSET ($17, 1); \ - GPR_OFFSET ($18, 2); \ - GPR_OFFSET ($19, 3); \ - GPR_OFFSET ($20, 4); \ - GPR_OFFSET ($21, 5); \ - GPR_OFFSET ($22, 6); \ - GPR_OFFSET ($23, 7); \ - GPR_OFFSET ($29, 8); \ - GPR_OFFSET ($30, 9); \ - GPR_OFFSET ($31, 10) - -#define NUM_GPRS_SAVED 11 - -#ifdef __mips_hard_float -#define FPR_LAYOUT \ - FPR_OFFSET ($f20, 0); \ - FPR_OFFSET ($f21, 1); \ - FPR_OFFSET ($f22, 2); \ - FPR_OFFSET ($f23, 3); \ - FPR_OFFSET ($f24, 4); \ - FPR_OFFSET ($f25, 5); \ - FPR_OFFSET ($f26, 6); \ - FPR_OFFSET ($f27, 7); \ - FPR_OFFSET ($f28, 8); \ - FPR_OFFSET ($f29, 9); \ - FPR_OFFSET ($f30, 10); \ - FPR_OFFSET ($f31, 11) -#else -#define FPR_LAYOUT -#endif - -#ifdef __mips64 -#define BYTES_PER_WORD 8 -#define LOAD_GPR ld -#define LOAD_FPR ldc1 -#define STORE_GPR sd -#define STORE_FPR sdc1 -#else -#define BYTES_PER_WORD 4 -#define LOAD_GPR lw -#define LOAD_FPR lwc1 -#define STORE_GPR sw -#define STORE_FPR swc1 -#endif - -#define GPOFF(INDEX) (INDEX * BYTES_PER_WORD) -#define FPOFF(INDEX) ((INDEX + NUM_GPRS_SAVED) * BYTES_PER_WORD) - -/* int setjmp (jmp_buf); */ - .globl setjmp - .ent setjmp -setjmp: - .frame $sp,0,$31 - -#define GPR_OFFSET(REG, INDEX) STORE_GPR REG,GPOFF(INDEX)($4) -#define FPR_OFFSET(REG, INDEX) STORE_FPR REG,FPOFF(INDEX)($4) - GPR_LAYOUT - FPR_LAYOUT -#undef GPR_OFFSET -#undef FPR_OFFSET - - move $2,$0 - j $31 - - .end setjmp - -/* volatile void longjmp (jmp_buf, int); */ - .globl longjmp - .ent longjmp -longjmp: - .frame $sp,0,$31 - -#define GPR_OFFSET(REG, INDEX) LOAD_GPR REG,GPOFF(INDEX)($4) -#define FPR_OFFSET(REG, INDEX) LOAD_FPR REG,FPOFF(INDEX)($4) - GPR_LAYOUT - FPR_LAYOUT -#undef GPR_OFFSET -#undef FPR_OFFSET - - bne $5,$0,1f - li $5,1 -1: - move $2,$5 - j $31 - - .end longjmp diff --git a/newlib/libc/machine/mips/strcmp.c b/newlib/libc/machine/mips/strcmp.c deleted file mode 100644 index c9c1c6595..000000000 --- a/newlib/libc/machine/mips/strcmp.c +++ /dev/null @@ -1,71 +0,0 @@ -/* - * strcmp.c -- strcmp function. On at least some MIPS chips, a strcmp that is - * unrolled twice is faster than the 'optimized' C version in newlib. - * - * Copyright (c) 2001 Red Hat, Inc. - * - * The authors hereby grant permission to use, copy, modify, distribute, - * and license this software and its documentation for any purpose, provided - * that existing copyright notices are retained in all copies and that this - * notice is included verbatim in any distributions. No written agreement, - * license, or royalty fee is required for any of the authorized uses. - * Modifications to this software may be copyrighted by their authors - * and need not follow the licensing terms described here, provided that - * the new terms are clearly indicated on the first page of each file where - * they apply. */ - -#include <stddef.h> -#include <string.h> -#include <stdlib.h> - -int -strcmp (const char *s1, const char *s2) -{ - unsigned const char *us1 = (unsigned const char *)s1; - unsigned const char *us2 = (unsigned const char *)s2; - int c1a, c1b; - int c2a, c2b; - - /* If the pointers aren't both aligned to a 16-byte boundary, do the - comparison byte by byte, so that we don't get an invalid page fault if we - are comparing a string whose null byte is at the last byte on the last - valid page. */ - if (((((long)us1) | ((long)us2)) & 1) == 0) - { - c1a = *us1; - for (;;) - { - c1b = *us2; - us1 += 2; - if (c1a == '\0') - goto ret1; - - c2a = us1[-1]; - if (c1a != c1b) - goto ret1; - - c2b = us2[1]; - us2 += 2; - if (c2a == '\0') - break; - - c1a = *us1; - if (c2a != c2b) - break; - } - - return c2a - c2b; - } - else - { - do - { - c1a = *us1++; - c1b = *us2++; - } - while (c1a != '\0' && c1a == c1b); - } - - ret1: - return c1a - c1b; -} diff --git a/newlib/libc/machine/mips/strlen.c b/newlib/libc/machine/mips/strlen.c deleted file mode 100644 index 158fb9f3f..000000000 --- a/newlib/libc/machine/mips/strlen.c +++ /dev/null @@ -1,71 +0,0 @@ -/* - * strlen.c -- strlen function. On at least some MIPS chips, a simple - * strlen is faster than the 'optimized' C version. - * - * Copyright (c) 2001, 2002 Red Hat, Inc. - * - * The authors hereby grant permission to use, copy, modify, distribute, - * and license this software and its documentation for any purpose, provided - * that existing copyright notices are retained in all copies and that this - * notice is included verbatim in any distributions. No written agreement, - * license, or royalty fee is required for any of the authorized uses. - * Modifications to this software may be copyrighted by their authors - * and need not follow the licensing terms described here, provided that - * the new terms are clearly indicated on the first page of each file where - * they apply. - */ - -#include <stddef.h> -#include <string.h> - -/* MIPS16 needs to come first. */ - -#if defined(__mips16) -size_t -strlen (const char *str) -{ - const char *start = str; - - while (*str++ != '\0') - ; - - return str - start - 1; -} -#elif defined(__mips64) -__asm__("" /* 64-bit MIPS targets */ - " .set noreorder\n" - " .set nomacro\n" - " .globl strlen\n" - " .ent strlen\n" - "strlen:\n" - " daddiu $2,$4,1\n" - "\n" - "1: lbu $3,0($4)\n" - " bnez $3,1b\n" - " daddiu $4,$4,1\n" - "\n" - " jr $31\n" - " dsubu $2,$4,$2\n" - " .end strlen\n" - " .set macro\n" - " .set reorder\n"); - -#else -__asm__("" /* 32-bit MIPS targets */ - " .set noreorder\n" - " .set nomacro\n" - " .globl strlen\n" - " .ent strlen\n" - "strlen:\n" - " addiu $2,$4,1\n" - "\n" - "1: lbu $3,0($4)\n" - " bnez $3,1b\n" - " addiu $4,$4,1\n" - "\n" - " jr $31\n" - " subu $2,$4,$2\n" - " .end strlen\n" - " .set macro\n" - " .set reorder\n"); -#endif diff --git a/newlib/libc/machine/mips/strncpy.c b/newlib/libc/machine/mips/strncpy.c deleted file mode 100644 index a2ceb2c77..000000000 --- a/newlib/libc/machine/mips/strncpy.c +++ /dev/null @@ -1,229 +0,0 @@ -/* - * strncpy.S -- strncmp function. On at least some MIPS chips, you get better - * code by hand unrolling the loops, and by using store words to zero the - * remainder of the buffer than the default newlib C version. - * - * Copyright (c) 2001 Red Hat, Inc. - * - * The authors hereby grant permission to use, copy, modify, distribute, - * and license this software and its documentation for any purpose, provided - * that existing copyright notices are retained in all copies and that this - * notice is included verbatim in any distributions. No written agreement, - * license, or royalty fee is required for any of the authorized uses. - * Modifications to this software may be copyrighted by their authors - * and need not follow the licensing terms described here, provided that - * the new terms are clearly indicated on the first page of each file where - * they apply. */ - -#include <string.h> -#include <stddef.h> -#include <stdlib.h> - -#if !defined(__GNUC__) || (__GNUC__ < 3) -#define __builtin_expect(a,b) a - -#else -#ifdef __mips64 -/* Don't use limits test for the size of long, in order to allow the use of - 64-bit stores on MIPS3 machines, even if -mlong32 was used. */ -typedef unsigned word_type __attribute__ ((mode (DI))); -#else -typedef unsigned word_type __attribute__ ((mode (SI))); -#endif - -typedef unsigned si_type __attribute__ ((mode (SI))); -typedef unsigned hi_type __attribute__ ((mode (HI))); - -#ifndef UNROLL_FACTOR -#define UNROLL_FACTOR 4 - -#elif (UNROLL_FACTOR != 2) && (UNROLL_FACTOR != 4) -#error "UNROLL_FACTOR must be 2 or 4" -#endif -#endif - -char * -strncpy (char *dst0, const char *src0, size_t count) -{ -#if defined(PREFER_SIZE_OVER_SPEED) || defined(__OPTIMIZE_SIZE__) || defined(__mips16) || !defined(__GNUC__) || (__GNUC__ < 3) - char *dst, *end; - const char *src; - int ch; - - dst = dst0; - src = src0; - end = dst + count; - while (dst != end) - { - *dst++ = ch = *src++; - if (__builtin_expect (ch == '\0', 0)) - { - while (dst != end) - *dst++ = '\0'; - - break; - } - } - - return dst0; - -#else - unsigned char *dst; - unsigned char *dst_end; - unsigned char *end; - const unsigned char *src; - int ch0, ch1; -#if UNROLL_FACTOR > 2 - int ch2, ch3; -#endif - int ch; - int odd_bytes; - size_t long_count; - - dst = (unsigned char *)dst0; - src = (unsigned const char *)src0; - if (__builtin_expect (count >= 4, 1)) - { - odd_bytes = (count & (UNROLL_FACTOR - 1)); - count -= odd_bytes; - - do - { - ch0 = src[0]; - ch1 = src[1]; -#if UNROLL_FACTOR > 2 - ch2 = src[2]; - ch3 = src[3]; -#endif - src += UNROLL_FACTOR; - count -= UNROLL_FACTOR; - - dst[0] = ch0; - if (ch0 == '\0') - goto found_null0; - - dst[1] = ch1; - if (ch1 == '\0') - goto found_null1; - -#if UNROLL_FACTOR > 2 - dst[2] = ch2; - if (ch2 == '\0') - goto found_null2; - - dst[3] = ch3; - if (ch3 == '\0') - goto found_null3; -#endif - - dst += UNROLL_FACTOR; - } - while (count); - - /* fall through, count == 0, no null found, deal with last bytes */ - count = odd_bytes; - } - - end = dst + count; - while (dst != end) - { - *dst++ = ch = *src++; - if (ch == '\0') - { - while (dst != end) - *dst++ = '\0'; - - break; - } - } - - return dst0; - - /* Found null byte in first byte, count has been decremented by 4, null has - been stored in dst[0]. */ - found_null0: - count++; /* add 1 to cover remaining byte */ - dst -= 1; /* adjust dst += 4 gets correct ptr */ - /* fall through */ - - /* Found null byte in second byte, count has been decremented by 4, null has - been stored in dst[1]. */ - found_null1: -#if UNROLL_FACTOR > 2 - count++; /* add 1 to cover remaining byte */ - dst -= 1; /* adjust dst += 4 gets correct ptr */ - /* fall through */ - - /* Found null byte in third byte, count has been decremented by 4, null has - been stored in dst[2]. */ - found_null2: - count++; /* add 1 to cover remaining byte */ - dst -= 1; /* adjust dst += 4 gets correct ptr */ - /* fall through */ - - /* Found null byte in fourth byte, count is accurate, dst has not been - updated yet. */ - found_null3: -#endif - count += odd_bytes; /* restore odd byte count */ - dst += UNROLL_FACTOR; - - /* Zero fill remainder of the array. Unroll the loop, and use word/dword - stores where we can. */ - while (count && (((long)dst) & (sizeof (word_type) - 1)) != 0) - { - count--; - *dst++ = 0; - } - - while (count >= UNROLL_FACTOR*sizeof (word_type)) - { - count -= UNROLL_FACTOR*sizeof (word_type); - dst += UNROLL_FACTOR*sizeof (word_type); -#if UNROLL_FACTOR > 2 - ((word_type *)(void *)dst)[-4] = 0; - ((word_type *)(void *)dst)[-3] = 0; -#endif - ((word_type *)(void *)dst)[-2] = 0; - ((word_type *)(void *)dst)[-1] = 0; - } - -#if UNROLL_FACTOR > 2 - if (count >= 2*sizeof (word_type)) - { - count -= 2*sizeof (word_type); - ((word_type *)(void *)dst)[0] = 0; - ((word_type *)(void *)dst)[1] = 0; - dst += 2*sizeof (word_type); - } -#endif - - if (count >= sizeof (word_type)) - { - count -= sizeof (word_type); - ((word_type *)(void *)dst)[0] = 0; - dst += sizeof (word_type); - } - -#ifdef __mips64 - if (count >= sizeof (si_type)) - { - count -= sizeof (si_type); - ((si_type *)(void *)dst)[0] = 0; - dst += sizeof (si_type); - } -#endif - - if (count >= sizeof (hi_type)) - { - count -= sizeof (hi_type); - ((hi_type *)(void *)dst)[0] = 0; - dst += sizeof (hi_type); - } - - if (count) - *dst = '\0'; - - return dst0; -#endif -} |