diff options
Diffstat (limited to 'c/src/lib/libcpu/powerpc/mpc55xx/misc/copy.S')
| -rw-r--r-- | c/src/lib/libcpu/powerpc/mpc55xx/misc/copy.S | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/c/src/lib/libcpu/powerpc/mpc55xx/misc/copy.S b/c/src/lib/libcpu/powerpc/mpc55xx/misc/copy.S deleted file mode 100644 index f993936752..0000000000 --- a/c/src/lib/libcpu/powerpc/mpc55xx/misc/copy.S +++ /dev/null @@ -1,81 +0,0 @@ -/** - * @file - * - * @ingroup mpc55xx_asm - * - * @brief Memory copy functions. - */ - -/* - * Copyright (c) 2008 - * Embedded Brains GmbH - * Obere Lagerstr. 30 - * D-82178 Puchheim - * Germany - * rtems@embedded-brains.de - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. - */ - -#include <libcpu/powerpc-utility.h> -#include <bspopts.h> - - .section ".bsp_start_text", "ax" - -/** - * @fn int mpc55xx_copy_8( const void *src, void *dest, size_t n) - * - * @brief Copy @a n bytes from @a src to @a dest with 8 byte reads and writes. - * - * The memory areas should not overlap. The addresses @a src and @a dest have - * to be aligned on 8 byte boundaries. The size @a n must be evenly divisible by 8. - * The SPE operations @b evxor, @b evlddx and @b evstddx will be used. - */ -#if ((MPC55XX_CHIP_TYPE>=5510) && (MPC55XX_CHIP_TYPE<=5517)) -GLOBAL_FUNCTION mpc55xx_copy_8 -#endif /* ((MPC55XX_CHIP_TYPE>=5510) && (MPC55XX_CHIP_TYPE<=5517)) */ -GLOBAL_FUNCTION mpc55xx_copy_4 - /* Loop counter = data size / 4 */ - srwi. r5, r5, 2 - beqlr - mtctr r5 - xor r5,r5,r5 -copy_data4: - lwzx r6, r5, r3 - stwx r6, r5, r4 - addi r5, r5, 4 - bdnz copy_data4 - - /* Return */ - blr - -#if !((MPC55XX_CHIP_TYPE>=5510) && (MPC55XX_CHIP_TYPE<=5517)) -/** - * @fn int mpc55xx_copy_8( const void *src, void *dest, size_t n) - * - * @brief Copy @a n bytes from @a src to @a dest with 8 byte reads and writes. - * - * The memory areas should not overlap. The addresses @a src and @a dest have - * to be aligned on 8 byte boundaries. The size @a n must be evenly divisible by 8. - * The SPE operations @b evxor, @b evlddx and @b evstddx will be used. - */ -GLOBAL_FUNCTION mpc55xx_copy_8 - /* Loop counter = data size / 8 */ - srwi. r5, r5, 3 - beqlr - mtctr r5 - - /* Set offset */ - evxor r5, r5, r5 - -copy_data: - evlddx r6, r3, r5 - evstddx r6, r4, r5 - addi r5, r5, 8 - bdnz copy_data - - /* Return */ - blr -#endif /*!((MPC55XX_CHIP_TYPE>=5510) && (MPC55XX_CHIP_TYPE<=5517))*/ |