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Edit File: xor_32.h

/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * include/asm/xor.h * * Optimized RAID-5 checksumming functions for 32-bit Sparc. */ /* * High speed xor_block operation for RAID4/5 utilizing the * ldd/std SPARC instructions. * * Copyright (C) 1999 Jakub Jelinek (jj@ultra.linux.cz) */ static void sparc_2(unsigned long bytes, unsigned long *p1, unsigned long *p2) { int lines = bytes / (sizeof (long)) / 8; do { __asm__ __volatile__( "ldd [%0 + 0x00], %%g2\n\t" "ldd [%0 + 0x08], %%g4\n\t" "ldd [%0 + 0x10], %%o0\n\t" "ldd [%0 + 0x18], %%o2\n\t" "ldd [%1 + 0x00], %%o4\n\t" "ldd [%1 + 0x08], %%l0\n\t" "ldd [%1 + 0x10], %%l2\n\t" "ldd [%1 + 0x18], %%l4\n\t" "xor %%g2, %%o4, %%g2\n\t" "xor %%g3, %%o5, %%g3\n\t" "xor %%g4, %%l0, %%g4\n\t" "xor %%g5, %%l1, %%g5\n\t" "xor %%o0, %%l2, %%o0\n\t" "xor %%o1, %%l3, %%o1\n\t" "xor %%o2, %%l4, %%o2\n\t" "xor %%o3, %%l5, %%o3\n\t" "std %%g2, [%0 + 0x00]\n\t" "std %%g4, [%0 + 0x08]\n\t" "std %%o0, [%0 + 0x10]\n\t" "std %%o2, [%0 + 0x18]\n" : : "r" (p1), "r" (p2) : "g2", "g3", "g4", "g5", "o0", "o1", "o2", "o3", "o4", "o5", "l0", "l1", "l2", "l3", "l4", "l5"); p1 += 8; p2 += 8; } while (--lines > 0); } static void sparc_3(unsigned long bytes, unsigned long *p1, unsigned long *p2, unsigned long *p3) { int lines = bytes / (sizeof (long)) / 8; do { __asm__ __volatile__( "ldd [%0 + 0x00], %%g2\n\t" "ldd [%0 + 0x08], %%g4\n\t" "ldd [%0 + 0x10], %%o0\n\t" "ldd [%0 + 0x18], %%o2\n\t" "ldd [%1 + 0x00], %%o4\n\t" "ldd [%1 + 0x08], %%l0\n\t" "ldd [%1 + 0x10], %%l2\n\t" "ldd [%1 + 0x18], %%l4\n\t" "xor %%g2, %%o4, %%g2\n\t" "xor %%g3, %%o5, %%g3\n\t" "ldd [%2 + 0x00], %%o4\n\t" "xor %%g4, %%l0, %%g4\n\t" "xor %%g5, %%l1, %%g5\n\t" "ldd [%2 + 0x08], %%l0\n\t" "xor %%o0, %%l2, %%o0\n\t" "xor %%o1, %%l3, %%o1\n\t" "ldd [%2 + 0x10], %%l2\n\t" "xor %%o2, %%l4, %%o2\n\t" "xor %%o3, %%l5, %%o3\n\t" "ldd [%2 + 0x18], %%l4\n\t" "xor %%g2, %%o4, %%g2\n\t" "xor %%g3, %%o5, %%g3\n\t" "xor %%g4, %%l0, %%g4\n\t" "xor %%g5, %%l1, %%g5\n\t" "xor %%o0, %%l2, %%o0\n\t" "xor %%o1, %%l3, %%o1\n\t" "xor %%o2, %%l4, %%o2\n\t" "xor %%o3, %%l5, %%o3\n\t" "std %%g2, [%0 + 0x00]\n\t" "std %%g4, [%0 + 0x08]\n\t" "std %%o0, [%0 + 0x10]\n\t" "std %%o2, [%0 + 0x18]\n" : : "r" (p1), "r" (p2), "r" (p3) : "g2", "g3", "g4", "g5", "o0", "o1", "o2", "o3", "o4", "o5", "l0", "l1", "l2", "l3", "l4", "l5"); p1 += 8; p2 += 8; p3 += 8; } while (--lines > 0); } static void sparc_4(unsigned long bytes, unsigned long *p1, unsigned long *p2, unsigned long *p3, unsigned long *p4) { int lines = bytes / (sizeof (long)) / 8; do { __asm__ __volatile__( "ldd [%0 + 0x00], %%g2\n\t" "ldd [%0 + 0x08], %%g4\n\t" "ldd [%0 + 0x10], %%o0\n\t" "ldd [%0 + 0x18], %%o2\n\t" "ldd [%1 + 0x00], %%o4\n\t" "ldd [%1 + 0x08], %%l0\n\t" "ldd [%1 + 0x10], %%l2\n\t" "ldd [%1 + 0x18], %%l4\n\t" "xor %%g2, %%o4, %%g2\n\t" "xor %%g3, %%o5, %%g3\n\t" "ldd [%2 + 0x00], %%o4\n\t" "xor %%g4, %%l0, %%g4\n\t" "xor %%g5, %%l1, %%g5\n\t" "ldd [%2 + 0x08], %%l0\n\t" "xor %%o0, %%l2, %%o0\n\t" "xor %%o1, %%l3, %%o1\n\t" "ldd [%2 + 0x10], %%l2\n\t" "xor %%o2, %%l4, %%o2\n\t" "xor %%o3, %%l5, %%o3\n\t" "ldd [%2 + 0x18], %%l4\n\t" "xor %%g2, %%o4, %%g2\n\t" "xor %%g3, %%o5, %%g3\n\t" "ldd [%3 + 0x00], %%o4\n\t" "xor %%g4, %%l0, %%g4\n\t" "xor %%g5, %%l1, %%g5\n\t" "ldd [%3 + 0x08], %%l0\n\t" "xor %%o0, %%l2, %%o0\n\t" "xor %%o1, %%l3, %%o1\n\t" "ldd [%3 + 0x10], %%l2\n\t" "xor %%o2, %%l4, %%o2\n\t" "xor %%o3, %%l5, %%o3\n\t" "ldd [%3 + 0x18], %%l4\n\t" "xor %%g2, %%o4, %%g2\n\t" "xor %%g3, %%o5, %%g3\n\t" "xor %%g4, %%l0, %%g4\n\t" "xor %%g5, %%l1, %%g5\n\t" "xor %%o0, %%l2, %%o0\n\t" "xor %%o1, %%l3, %%o1\n\t" "xor %%o2, %%l4, %%o2\n\t" "xor %%o3, %%l5, %%o3\n\t" "std %%g2, [%0 + 0x00]\n\t" "std %%g4, [%0 + 0x08]\n\t" "std %%o0, [%0 + 0x10]\n\t" "std %%o2, [%0 + 0x18]\n" : : "r" (p1), "r" (p2), "r" (p3), "r" (p4) : "g2", "g3", "g4", "g5", "o0", "o1", "o2", "o3", "o4", "o5", "l0", "l1", "l2", "l3", "l4", "l5"); p1 += 8; p2 += 8; p3 += 8; p4 += 8; } while (--lines > 0); } static void sparc_5(unsigned long bytes, unsigned long *p1, unsigned long *p2, unsigned long *p3, unsigned long *p4, unsigned long *p5) { int lines = bytes / (sizeof (long)) / 8; do { __asm__ __volatile__( "ldd [%0 + 0x00], %%g2\n\t" "ldd [%0 + 0x08], %%g4\n\t" "ldd [%0 + 0x10], %%o0\n\t" "ldd [%0 + 0x18], %%o2\n\t" "ldd [%1 + 0x00], %%o4\n\t" "ldd [%1 + 0x08], %%l0\n\t" "ldd [%1 + 0x10], %%l2\n\t" "ldd [%1 + 0x18], %%l4\n\t" "xor %%g2, %%o4, %%g2\n\t" "xor %%g3, %%o5, %%g3\n\t" "ldd [%2 + 0x00], %%o4\n\t" "xor %%g4, %%l0, %%g4\n\t" "xor %%g5, %%l1, %%g5\n\t" "ldd [%2 + 0x08], %%l0\n\t" "xor %%o0, %%l2, %%o0\n\t" "xor %%o1, %%l3, %%o1\n\t" "ldd [%2 + 0x10], %%l2\n\t" "xor %%o2, %%l4, %%o2\n\t" "xor %%o3, %%l5, %%o3\n\t" "ldd [%2 + 0x18], %%l4\n\t" "xor %%g2, %%o4, %%g2\n\t" "xor %%g3, %%o5, %%g3\n\t" "ldd [%3 + 0x00], %%o4\n\t" "xor %%g4, %%l0, %%g4\n\t" "xor %%g5, %%l1, %%g5\n\t" "ldd [%3 + 0x08], %%l0\n\t" "xor %%o0, %%l2, %%o0\n\t" "xor %%o1, %%l3, %%o1\n\t" "ldd [%3 + 0x10], %%l2\n\t" "xor %%o2, %%l4, %%o2\n\t" "xor %%o3, %%l5, %%o3\n\t" "ldd [%3 + 0x18], %%l4\n\t" "xor %%g2, %%o4, %%g2\n\t" "xor %%g3, %%o5, %%g3\n\t" "ldd [%4 + 0x00], %%o4\n\t" "xor %%g4, %%l0, %%g4\n\t" "xor %%g5, %%l1, %%g5\n\t" "ldd [%4 + 0x08], %%l0\n\t" "xor %%o0, %%l2, %%o0\n\t" "xor %%o1, %%l3, %%o1\n\t" "ldd [%4 + 0x10], %%l2\n\t" "xor %%o2, %%l4, %%o2\n\t" "xor %%o3, %%l5, %%o3\n\t" "ldd [%4 + 0x18], %%l4\n\t" "xor %%g2, %%o4, %%g2\n\t" "xor %%g3, %%o5, %%g3\n\t" "xor %%g4, %%l0, %%g4\n\t" "xor %%g5, %%l1, %%g5\n\t" "xor %%o0, %%l2, %%o0\n\t" "xor %%o1, %%l3, %%o1\n\t" "xor %%o2, %%l4, %%o2\n\t" "xor %%o3, %%l5, %%o3\n\t" "std %%g2, [%0 + 0x00]\n\t" "std %%g4, [%0 + 0x08]\n\t" "std %%o0, [%0 + 0x10]\n\t" "std %%o2, [%0 + 0x18]\n" : : "r" (p1), "r" (p2), "r" (p3), "r" (p4), "r" (p5) : "g2", "g3", "g4", "g5", "o0", "o1", "o2", "o3", "o4", "o5", "l0", "l1", "l2", "l3", "l4", "l5"); p1 += 8; p2 += 8; p3 += 8; p4 += 8; p5 += 8; } while (--lines > 0); } static struct xor_block_template xor_block_SPARC = { .name = "SPARC", .do_2 = sparc_2, .do_3 = sparc_3, .do_4 = sparc_4, .do_5 = sparc_5, }; /* For grins, also test the generic routines. */ #include <asm-generic/xor.h> #undef XOR_TRY_TEMPLATES #define XOR_TRY_TEMPLATES \ do { \ xor_speed(&xor_block_8regs); \ xor_speed(&xor_block_32regs); \ xor_speed(&xor_block_SPARC); \ } while (0)