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Diffstat (limited to 'lib_blackfin/bf533_string.c')
-rw-r--r--lib_blackfin/bf533_string.c198
1 files changed, 0 insertions, 198 deletions
diff --git a/lib_blackfin/bf533_string.c b/lib_blackfin/bf533_string.c
deleted file mode 100644
index 9ceeeef..0000000
--- a/lib_blackfin/bf533_string.c
+++ /dev/null
@@ -1,198 +0,0 @@
-/*
- * U-boot - bf533_string.c Contains library routines.
- *
- * Copyright (c) 2005-2007 Analog Devices Inc.
- *
- * (C) Copyright 2000-2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
- * MA 02110-1301 USA
- */
-
-#include <common.h>
-#include <config.h>
-#include <asm/blackfin.h>
-#include <asm/io.h>
-#include "cache.h"
-#include <asm/mach-common/bits/dma.h>
-
-char *strcpy(char *dest, const char *src)
-{
- char *xdest = dest;
- char temp = 0;
-
- __asm__ __volatile__
- ("1:\t%2 = B [%1++] (Z);\n\t"
- "B [%0++] = %2;\n\t"
- "CC = %2;\n\t"
- "if cc jump 1b (bp);\n":"=a"(dest), "=a"(src), "=d"(temp)
- :"0"(dest), "1"(src), "2"(temp):"memory");
-
- return xdest;
-}
-
-char *strncpy(char *dest, const char *src, size_t n)
-{
- char *xdest = dest;
- char temp = 0;
-
- if (n == 0)
- return xdest;
-
- __asm__ __volatile__
- ("1:\t%3 = B [%1++] (Z);\n\t"
- "B [%0++] = %3;\n\t"
- "CC = %3;\n\t"
- "if ! cc jump 2f;\n\t"
- "%2 += -1;\n\t"
- "CC = %2 == 0;\n\t"
- "if ! cc jump 1b (bp);\n"
- "2:\n":"=a"(dest), "=a"(src), "=da"(n), "=d"(temp)
- :"0"(dest), "1"(src), "2"(n), "3"(temp)
- :"memory");
-
- return xdest;
-}
-
-int strcmp(const char *cs, const char *ct)
-{
- char __res1, __res2;
-
- __asm__("1:\t%2 = B[%0++] (Z);\n\t" /* get *cs */
- "%3 = B[%1++] (Z);\n\t" /* get *ct */
- "CC = %2 == %3;\n\t" /* compare a byte */
- "if ! cc jump 2f;\n\t" /* not equal, break out */
- "CC = %2;\n\t" /* at end of cs? */
- "if cc jump 1b (bp);\n\t" /* no, keep going */
- "jump.s 3f;\n" /* strings are equal */
- "2:\t%2 = %2 - %3;\n" /* *cs - *ct */
- "3:\n": "=a"(cs), "=a"(ct), "=d"(__res1), "=d"(__res2)
- : "0"(cs), "1"(ct));
-
- return __res1;
-}
-
-int strncmp(const char *cs, const char *ct, size_t count)
-{
- char __res1, __res2;
-
- if (!count)
- return 0;
-
- __asm__("1:\t%3 = B[%0++] (Z);\n\t" /* get *cs */
- "%4 = B[%1++] (Z);\n\t" /* get *ct */
- "CC = %3 == %4;\n\t" /* compare a byte */
- "if ! cc jump 3f;\n\t" /* not equal, break out */
- "CC = %3;\n\t" /* at end of cs? */
- "if ! cc jump 4f;\n\t" /* yes, all done */
- "%2 += -1;\n\t" /* no, adjust count */
- "CC = %2 == 0;\n\t" "if ! cc jump 1b;\n" /* more to do, keep going */
- "2:\t%3 = 0;\n\t" /* strings are equal */
- "jump.s 4f;\n" "3:\t%3 = %3 - %4;\n" /* *cs - *ct */
- "4:": "=a"(cs), "=a"(ct), "=da"(count), "=d"(__res1),
- "=d"(__res2)
- : "0"(cs), "1"(ct), "2"(count));
-
- return __res1;
-}
-
-#ifndef pMDMA_D0_IRQ_STATUS
-# define pMDMA_D0_IRQ_STATUS pMDMA1_D0_IRQ_STATUS
-# define pMDMA_D0_START_ADDR pMDMA1_D0_START_ADDR
-# define pMDMA_D0_X_COUNT pMDMA1_D0_X_COUNT
-# define pMDMA_D0_X_MODIFY pMDMA1_D0_X_MODIFY
-# define pMDMA_D0_CONFIG pMDMA1_D0_CONFIG
-# define pMDMA_S0_IRQ_STATUS pMDMA1_S0_IRQ_STATUS
-# define pMDMA_S0_START_ADDR pMDMA1_S0_START_ADDR
-# define pMDMA_S0_X_COUNT pMDMA1_S0_X_COUNT
-# define pMDMA_S0_X_MODIFY pMDMA1_S0_X_MODIFY
-# define pMDMA_S0_CONFIG pMDMA1_S0_CONFIG
-#endif
-
-static void *dma_memcpy(void *dest, const void *src, size_t count)
-{
- *pMDMA_D0_IRQ_STATUS = DMA_DONE | DMA_ERR;
-
- /* Copy sram functions from sdram to sram */
- /* Setup destination start address */
- *pMDMA_D0_START_ADDR = (volatile void **)dest;
- /* Setup destination xcount */
- *pMDMA_D0_X_COUNT = count;
- /* Setup destination xmodify */
- *pMDMA_D0_X_MODIFY = 1;
-
- /* Setup Source start address */
- *pMDMA_S0_START_ADDR = (volatile void **)src;
- /* Setup Source xcount */
- *pMDMA_S0_X_COUNT = count;
- /* Setup Source xmodify */
- *pMDMA_S0_X_MODIFY = 1;
-
- /* Enable source DMA */
- *pMDMA_S0_CONFIG = (DMAEN);
- SSYNC();
-
- *pMDMA_D0_CONFIG = (WNR | DMAEN);
-
- while (*pMDMA_D0_IRQ_STATUS & DMA_RUN) {
- *pMDMA_D0_IRQ_STATUS |= (DMA_DONE | DMA_ERR);
- }
- *pMDMA_D0_IRQ_STATUS |= (DMA_DONE | DMA_ERR);
-
- dest += count;
- src += count;
- return dest;
-}
-
-/*
- * memcpy - Copy one area of memory to another
- * @dest: Where to copy to
- * @src: Where to copy from
- * @count: The size of the area.
- *
- * You should not use this function to access IO space, use memcpy_toio()
- * or memcpy_fromio() instead.
- */
-extern void *memcpy_ASM(void *dest, const void *src, size_t count);
-void *memcpy(void *dest, const void *src, size_t count)
-{
- char *tmp = (char *) dest, *s = (char *) src;
-
- if (dcache_status()) {
- blackfin_dcache_flush_range(src, src+count);
- }
- /* L1_INST_SRAM can only be accessed via dma */
- if ((tmp >= (char *)L1_INST_SRAM) && (tmp < (char *)L1_INST_SRAM_END)) {
- /* L1 is the destination */
- dma_memcpy(dest,src,count);
- } else if ((s >= (char *)L1_INST_SRAM) && (s < (char *)L1_INST_SRAM_END)) {
- /* L1 is the source */
- dma_memcpy(dest,src,count);
-
- if (icache_status()) {
- blackfin_icache_flush_range(dest, dest+count);
- }
- if (dcache_status()) {
- blackfin_dcache_invalidate_range(dest, dest+count);
- }
- } else {
- memcpy_ASM(dest,src,count);
- }
- return dest;
-}