diff options
Diffstat (limited to 'arch/powerpc/lib/copyuser_64.S')
| -rw-r--r-- | arch/powerpc/lib/copyuser_64.S | 693 |
1 files changed, 303 insertions, 390 deletions
diff --git a/arch/powerpc/lib/copyuser_64.S b/arch/powerpc/lib/copyuser_64.S index d73a59014900..9af969d2cc0c 100644 --- a/arch/powerpc/lib/copyuser_64.S +++ b/arch/powerpc/lib/copyuser_64.S @@ -1,23 +1,59 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2002 Paul Mackerras, IBM Corp. - * - * 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. */ +#include <linux/export.h> #include <asm/processor.h> #include <asm/ppc_asm.h> +#include <asm/asm-compat.h> +#include <asm/feature-fixups.h> + +#ifndef SELFTEST_CASE +/* 0 == most CPUs, 1 == POWER6, 2 == Cell */ +#define SELFTEST_CASE 0 +#endif + +#ifdef __BIG_ENDIAN__ +#define sLd sld /* Shift towards low-numbered address. */ +#define sHd srd /* Shift towards high-numbered address. */ +#else +#define sLd srd /* Shift towards low-numbered address. */ +#define sHd sld /* Shift towards high-numbered address. */ +#endif + +/* + * These macros are used to generate exception table entries. + * The exception handlers below use the original arguments + * (stored on the stack) and the point where we're up to in + * the destination buffer, i.e. the address of the first + * unmodified byte. Generally r3 points into the destination + * buffer, but the first unmodified byte is at a variable + * offset from r3. In the code below, the symbol r3_offset + * is set to indicate the current offset at each point in + * the code. This offset is then used as a negative offset + * from the exception handler code, and those instructions + * before the exception handlers are addi instructions that + * adjust r3 to point to the correct place. + */ + .macro lex /* exception handler for load */ +100: EX_TABLE(100b, .Lld_exc - r3_offset) + .endm + + .macro stex /* exception handler for store */ +100: EX_TABLE(100b, .Lst_exc - r3_offset) + .endm .align 7 -_GLOBAL(__copy_tofrom_user) +_GLOBAL_TOC(__copy_tofrom_user) +#ifdef CONFIG_PPC_BOOK3S_64 BEGIN_FTR_SECTION nop FTR_SECTION_ELSE b __copy_tofrom_user_power7 ALT_FTR_SECTION_END_IFCLR(CPU_FTR_VMX_COPY) +#endif _GLOBAL(__copy_tofrom_user_base) - /* first check for a whole page copy on a page boundary */ + /* first check for a 4kB copy on a 4kB boundary */ cmpldi cr1,r5,16 cmpdi cr6,r5,4096 or r0,r3,r4 @@ -38,6 +74,7 @@ _GLOBAL(__copy_tofrom_user_base) * At the time of writing the only CPU that has this combination of bits * set is Power6. */ +test_feature = (SELFTEST_CASE == 1) BEGIN_FTR_SECTION nop FTR_SECTION_ELSE @@ -46,6 +83,8 @@ ALT_FTR_SECTION_END(CPU_FTR_UNALIGNED_LD_STD | CPU_FTR_CP_USE_DCBTZ, \ CPU_FTR_UNALIGNED_LD_STD) .Ldst_aligned: addi r3,r3,-16 +r3_offset = 16 +test_feature = (SELFTEST_CASE == 0) BEGIN_FTR_SECTION andi. r0,r4,7 bne .Lsrc_unaligned @@ -53,57 +92,69 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD) blt cr1,.Ldo_tail /* if < 16 bytes to copy */ srdi r0,r5,5 cmpdi cr1,r0,0 -20: ld r7,0(r4) -220: ld r6,8(r4) +lex; ld r7,0(r4) +lex; ld r6,8(r4) addi r4,r4,16 mtctr r0 andi. r0,r5,0x10 beq 22f addi r3,r3,16 +r3_offset = 0 addi r4,r4,-16 mr r9,r7 mr r8,r6 beq cr1,72f -21: ld r7,16(r4) -221: ld r6,24(r4) +21: +lex; ld r7,16(r4) +lex; ld r6,24(r4) addi r4,r4,32 -70: std r9,0(r3) -270: std r8,8(r3) -22: ld r9,0(r4) -222: ld r8,8(r4) -71: std r7,16(r3) -271: std r6,24(r3) +stex; std r9,0(r3) +r3_offset = 8 +stex; std r8,8(r3) +r3_offset = 16 +22: +lex; ld r9,0(r4) +lex; ld r8,8(r4) +stex; std r7,16(r3) +r3_offset = 24 +stex; std r6,24(r3) addi r3,r3,32 +r3_offset = 0 bdnz 21b -72: std r9,0(r3) -272: std r8,8(r3) +72: +stex; std r9,0(r3) +r3_offset = 8 +stex; std r8,8(r3) +r3_offset = 16 andi. r5,r5,0xf beq+ 3f addi r4,r4,16 .Ldo_tail: addi r3,r3,16 +r3_offset = 0 bf cr7*4+0,246f -244: ld r9,0(r4) +lex; ld r9,0(r4) addi r4,r4,8 -245: std r9,0(r3) +stex; std r9,0(r3) addi r3,r3,8 246: bf cr7*4+1,1f -23: lwz r9,0(r4) +lex; lwz r9,0(r4) addi r4,r4,4 -73: stw r9,0(r3) +stex; stw r9,0(r3) addi r3,r3,4 1: bf cr7*4+2,2f -44: lhz r9,0(r4) +lex; lhz r9,0(r4) addi r4,r4,2 -74: sth r9,0(r3) +stex; sth r9,0(r3) addi r3,r3,2 2: bf cr7*4+3,3f -45: lbz r9,0(r4) -75: stb r9,0(r3) +lex; lbz r9,0(r4) +stex; stb r9,0(r3) 3: li r3,0 blr .Lsrc_unaligned: +r3_offset = 16 srdi r6,r5,3 addi r5,r5,-16 subf r4,r0,r4 @@ -116,117 +167,151 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD) add r5,r5,r0 bt cr7*4+0,28f -24: ld r9,0(r4) /* 3+2n loads, 2+2n stores */ -25: ld r0,8(r4) - sld r6,r9,r10 -26: ldu r9,16(r4) - srd r7,r0,r11 - sld r8,r0,r10 +lex; ld r9,0(r4) /* 3+2n loads, 2+2n stores */ +lex; ld r0,8(r4) + sLd r6,r9,r10 +lex; ldu r9,16(r4) + sHd r7,r0,r11 + sLd r8,r0,r10 or r7,r7,r6 blt cr6,79f -27: ld r0,8(r4) +lex; ld r0,8(r4) b 2f -28: ld r0,0(r4) /* 4+2n loads, 3+2n stores */ -29: ldu r9,8(r4) - sld r8,r0,r10 +28: +lex; ld r0,0(r4) /* 4+2n loads, 3+2n stores */ +lex; ldu r9,8(r4) + sLd r8,r0,r10 addi r3,r3,-8 +r3_offset = 24 blt cr6,5f -30: ld r0,8(r4) - srd r12,r9,r11 - sld r6,r9,r10 -31: ldu r9,16(r4) +lex; ld r0,8(r4) + sHd r12,r9,r11 + sLd r6,r9,r10 +lex; ldu r9,16(r4) or r12,r8,r12 - srd r7,r0,r11 - sld r8,r0,r10 + sHd r7,r0,r11 + sLd r8,r0,r10 addi r3,r3,16 +r3_offset = 8 beq cr6,78f 1: or r7,r7,r6 -32: ld r0,8(r4) -76: std r12,8(r3) -2: srd r12,r9,r11 - sld r6,r9,r10 -33: ldu r9,16(r4) +lex; ld r0,8(r4) +stex; std r12,8(r3) +r3_offset = 16 +2: sHd r12,r9,r11 + sLd r6,r9,r10 +lex; ldu r9,16(r4) or r12,r8,r12 -77: stdu r7,16(r3) - srd r7,r0,r11 - sld r8,r0,r10 +stex; stdu r7,16(r3) +r3_offset = 8 + sHd r7,r0,r11 + sLd r8,r0,r10 bdnz 1b -78: std r12,8(r3) +78: +stex; std r12,8(r3) +r3_offset = 16 or r7,r7,r6 -79: std r7,16(r3) -5: srd r12,r9,r11 +79: +stex; std r7,16(r3) +r3_offset = 24 +5: sHd r12,r9,r11 or r12,r8,r12 -80: std r12,24(r3) +stex; std r12,24(r3) +r3_offset = 32 bne 6f li r3,0 blr 6: cmpwi cr1,r5,8 addi r3,r3,32 - sld r9,r9,r10 +r3_offset = 0 + sLd r9,r9,r10 ble cr1,7f -34: ld r0,8(r4) - srd r7,r0,r11 +lex; ld r0,8(r4) + sHd r7,r0,r11 or r9,r7,r9 7: bf cr7*4+1,1f +#ifdef __BIG_ENDIAN__ rotldi r9,r9,32 -94: stw r9,0(r3) +#endif +stex; stw r9,0(r3) +#ifdef __LITTLE_ENDIAN__ + rotrdi r9,r9,32 +#endif addi r3,r3,4 1: bf cr7*4+2,2f +#ifdef __BIG_ENDIAN__ rotldi r9,r9,16 -95: sth r9,0(r3) +#endif +stex; sth r9,0(r3) +#ifdef __LITTLE_ENDIAN__ + rotrdi r9,r9,16 +#endif addi r3,r3,2 2: bf cr7*4+3,3f +#ifdef __BIG_ENDIAN__ rotldi r9,r9,8 -96: stb r9,0(r3) +#endif +stex; stb r9,0(r3) +#ifdef __LITTLE_ENDIAN__ + rotrdi r9,r9,8 +#endif 3: li r3,0 blr .Ldst_unaligned: +r3_offset = 0 PPC_MTOCRF(0x01,r6) /* put #bytes to 8B bdry into cr7 */ subf r5,r6,r5 li r7,0 cmpldi cr1,r5,16 bf cr7*4+3,1f -35: lbz r0,0(r4) -81: stb r0,0(r3) +100: EX_TABLE(100b, .Lld_exc_r7) + lbz r0,0(r4) +100: EX_TABLE(100b, .Lst_exc_r7) + stb r0,0(r3) addi r7,r7,1 1: bf cr7*4+2,2f -36: lhzx r0,r7,r4 -82: sthx r0,r7,r3 +100: EX_TABLE(100b, .Lld_exc_r7) + lhzx r0,r7,r4 +100: EX_TABLE(100b, .Lst_exc_r7) + sthx r0,r7,r3 addi r7,r7,2 2: bf cr7*4+1,3f -37: lwzx r0,r7,r4 -83: stwx r0,r7,r3 +100: EX_TABLE(100b, .Lld_exc_r7) + lwzx r0,r7,r4 +100: EX_TABLE(100b, .Lst_exc_r7) + stwx r0,r7,r3 3: PPC_MTOCRF(0x01,r5) add r4,r6,r4 add r3,r6,r3 b .Ldst_aligned .Lshort_copy: +r3_offset = 0 bf cr7*4+0,1f -38: lwz r0,0(r4) -39: lwz r9,4(r4) +lex; lwz r0,0(r4) +lex; lwz r9,4(r4) addi r4,r4,8 -84: stw r0,0(r3) -85: stw r9,4(r3) +stex; stw r0,0(r3) +stex; stw r9,4(r3) addi r3,r3,8 1: bf cr7*4+1,2f -40: lwz r0,0(r4) +lex; lwz r0,0(r4) addi r4,r4,4 -86: stw r0,0(r3) +stex; stw r0,0(r3) addi r3,r3,4 2: bf cr7*4+2,3f -41: lhz r0,0(r4) +lex; lhz r0,0(r4) addi r4,r4,2 -87: sth r0,0(r3) +stex; sth r0,0(r3) addi r3,r3,2 3: bf cr7*4+3,4f -42: lbz r0,0(r4) -88: stb r0,0(r3) +lex; lbz r0,0(r4) +stex; stb r0,0(r3) 4: li r3,0 blr @@ -234,48 +319,34 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD) * exception handlers follow * we have to return the number of bytes not copied * for an exception on a load, we set the rest of the destination to 0 + * Note that the number of bytes of instructions for adjusting r3 needs + * to equal the amount of the adjustment, due to the trick of using + * .Lld_exc - r3_offset as the handler address. */ -136: -137: +.Lld_exc_r7: add r3,r3,r7 - b 1f -130: -131: + b .Lld_exc + + /* adjust by 24 */ addi r3,r3,8 -120: -320: -122: -322: -124: -125: -126: -127: -128: -129: -133: + nop + /* adjust by 16 */ addi r3,r3,8 -132: + nop + /* adjust by 8 */ addi r3,r3,8 -121: -321: -344: -134: -135: -138: -139: -140: -141: -142: -123: -144: -145: + nop /* - * here we have had a fault on a load and r3 points to the first - * unmodified byte of the destination + * Here we have had a fault on a load and r3 points to the first + * unmodified byte of the destination. We use the original arguments + * and r3 to work out how much wasn't copied. Since we load some + * distance ahead of the stores, we continue copying byte-by-byte until + * we hit the load fault again in order to copy as much as possible. */ -1: ld r6,-24(r1) +.Lld_exc: + ld r6,-24(r1) ld r4,-16(r1) ld r5,-8(r1) subf r6,r6,r3 @@ -286,161 +357,76 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD) * first see if we can copy any more bytes before hitting another exception */ mtctr r5 +r3_offset = 0 +100: EX_TABLE(100b, .Ldone) 43: lbz r0,0(r4) addi r4,r4,1 -89: stb r0,0(r3) +stex; stb r0,0(r3) addi r3,r3,1 bdnz 43b li r3,0 /* huh? all copied successfully this time? */ blr /* - * here we have trapped again, need to clear ctr bytes starting at r3 + * here we have trapped again, amount remaining is in ctr. */ -143: mfctr r5 - li r0,0 - mr r4,r3 - mr r3,r5 /* return the number of bytes not copied */ -1: andi. r9,r4,7 - beq 3f -90: stb r0,0(r4) - addic. r5,r5,-1 - addi r4,r4,1 - bne 1b - blr -3: cmpldi cr1,r5,8 - srdi r9,r5,3 - andi. r5,r5,7 - blt cr1,93f - mtctr r9 -91: std r0,0(r4) - addi r4,r4,8 - bdnz 91b -93: beqlr - mtctr r5 -92: stb r0,0(r4) - addi r4,r4,1 - bdnz 92b +.Ldone: + mfctr r3 blr /* - * exception handlers for stores: we just need to work - * out how many bytes weren't copied + * exception handlers for stores: we need to work out how many bytes + * weren't copied, and we may need to copy some more. + * Note that the number of bytes of instructions for adjusting r3 needs + * to equal the amount of the adjustment, due to the trick of using + * .Lst_exc - r3_offset as the handler address. */ -182: -183: +.Lst_exc_r7: add r3,r3,r7 - b 1f -371: -180: + b .Lst_exc + + /* adjust by 24 */ addi r3,r3,8 -171: -177: + nop + /* adjust by 16 */ addi r3,r3,8 -370: -372: -176: -178: + nop + /* adjust by 8 */ addi r3,r3,4 -185: + /* adjust by 4 */ addi r3,r3,4 -170: -172: -345: -173: -174: -175: -179: -181: -184: -186: -187: -188: -189: -194: -195: -196: -1: - ld r6,-24(r1) - ld r5,-8(r1) - add r6,r6,r5 - subf r3,r3,r6 /* #bytes not copied */ -190: -191: -192: - blr /* #bytes not copied in r3 */ - - .section __ex_table,"a" - .align 3 - .llong 20b,120b - .llong 220b,320b - .llong 21b,121b - .llong 221b,321b - .llong 70b,170b - .llong 270b,370b - .llong 22b,122b - .llong 222b,322b - .llong 71b,171b - .llong 271b,371b - .llong 72b,172b - .llong 272b,372b - .llong 244b,344b - .llong 245b,345b - .llong 23b,123b - .llong 73b,173b - .llong 44b,144b - .llong 74b,174b - .llong 45b,145b - .llong 75b,175b - .llong 24b,124b - .llong 25b,125b - .llong 26b,126b - .llong 27b,127b - .llong 28b,128b - .llong 29b,129b - .llong 30b,130b - .llong 31b,131b - .llong 32b,132b - .llong 76b,176b - .llong 33b,133b - .llong 77b,177b - .llong 78b,178b - .llong 79b,179b - .llong 80b,180b - .llong 34b,134b - .llong 94b,194b - .llong 95b,195b - .llong 96b,196b - .llong 35b,135b - .llong 81b,181b - .llong 36b,136b - .llong 82b,182b - .llong 37b,137b - .llong 83b,183b - .llong 38b,138b - .llong 39b,139b - .llong 84b,184b - .llong 85b,185b - .llong 40b,140b - .llong 86b,186b - .llong 41b,141b - .llong 87b,187b - .llong 42b,142b - .llong 88b,188b - .llong 43b,143b - .llong 89b,189b - .llong 90b,190b - .llong 91b,191b - .llong 92b,192b - - .text +.Lst_exc: + ld r6,-24(r1) /* original destination pointer */ + ld r4,-16(r1) /* original source pointer */ + ld r5,-8(r1) /* original number of bytes */ + add r7,r6,r5 + /* + * If the destination pointer isn't 8-byte aligned, + * we may have got the exception as a result of a + * store that overlapped a page boundary, so we may be + * able to copy a few more bytes. + */ +17: andi. r0,r3,7 + beq 19f + subf r8,r6,r3 /* #bytes copied */ +100: EX_TABLE(100b,19f) + lbzx r0,r8,r4 +100: EX_TABLE(100b,19f) + stb r0,0(r3) + addi r3,r3,1 + cmpld r3,r7 + blt 17b +19: subf r3,r3,r7 /* #bytes not copied in r3 */ + blr /* * Routine to copy a whole page of data, optimized for POWER4. * On POWER4 it is more than 50% faster than the simple loop - * above (following the .Ldst_aligned label) but it runs slightly - * slower on POWER3. + * above (following the .Ldst_aligned label). */ + .macro exc +100: EX_TABLE(100b, .Labort) + .endm .Lcopy_page_4K: std r31,-32(1) std r30,-40(1) @@ -459,86 +445,86 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD) li r0,5 0: addi r5,r5,-24 mtctr r0 -20: ld r22,640(4) -21: ld r21,512(4) -22: ld r20,384(4) -23: ld r11,256(4) -24: ld r9,128(4) -25: ld r7,0(4) -26: ld r25,648(4) -27: ld r24,520(4) -28: ld r23,392(4) -29: ld r10,264(4) -30: ld r8,136(4) -31: ldu r6,8(4) +exc; ld r22,640(4) +exc; ld r21,512(4) +exc; ld r20,384(4) +exc; ld r11,256(4) +exc; ld r9,128(4) +exc; ld r7,0(4) +exc; ld r25,648(4) +exc; ld r24,520(4) +exc; ld r23,392(4) +exc; ld r10,264(4) +exc; ld r8,136(4) +exc; ldu r6,8(4) cmpwi r5,24 1: -32: std r22,648(3) -33: std r21,520(3) -34: std r20,392(3) -35: std r11,264(3) -36: std r9,136(3) -37: std r7,8(3) -38: ld r28,648(4) -39: ld r27,520(4) -40: ld r26,392(4) -41: ld r31,264(4) -42: ld r30,136(4) -43: ld r29,8(4) -44: std r25,656(3) -45: std r24,528(3) -46: std r23,400(3) -47: std r10,272(3) -48: std r8,144(3) -49: std r6,16(3) -50: ld r22,656(4) -51: ld r21,528(4) -52: ld r20,400(4) -53: ld r11,272(4) -54: ld r9,144(4) -55: ld r7,16(4) -56: std r28,664(3) -57: std r27,536(3) -58: std r26,408(3) -59: std r31,280(3) -60: std r30,152(3) -61: stdu r29,24(3) -62: ld r25,664(4) -63: ld r24,536(4) -64: ld r23,408(4) -65: ld r10,280(4) -66: ld r8,152(4) -67: ldu r6,24(4) +exc; std r22,648(3) +exc; std r21,520(3) +exc; std r20,392(3) +exc; std r11,264(3) +exc; std r9,136(3) +exc; std r7,8(3) +exc; ld r28,648(4) +exc; ld r27,520(4) +exc; ld r26,392(4) +exc; ld r31,264(4) +exc; ld r30,136(4) +exc; ld r29,8(4) +exc; std r25,656(3) +exc; std r24,528(3) +exc; std r23,400(3) +exc; std r10,272(3) +exc; std r8,144(3) +exc; std r6,16(3) +exc; ld r22,656(4) +exc; ld r21,528(4) +exc; ld r20,400(4) +exc; ld r11,272(4) +exc; ld r9,144(4) +exc; ld r7,16(4) +exc; std r28,664(3) +exc; std r27,536(3) +exc; std r26,408(3) +exc; std r31,280(3) +exc; std r30,152(3) +exc; stdu r29,24(3) +exc; ld r25,664(4) +exc; ld r24,536(4) +exc; ld r23,408(4) +exc; ld r10,280(4) +exc; ld r8,152(4) +exc; ldu r6,24(4) bdnz 1b -68: std r22,648(3) -69: std r21,520(3) -70: std r20,392(3) -71: std r11,264(3) -72: std r9,136(3) -73: std r7,8(3) -74: addi r4,r4,640 -75: addi r3,r3,648 +exc; std r22,648(3) +exc; std r21,520(3) +exc; std r20,392(3) +exc; std r11,264(3) +exc; std r9,136(3) +exc; std r7,8(3) + addi r4,r4,640 + addi r3,r3,648 bge 0b mtctr r5 -76: ld r7,0(4) -77: ld r8,8(4) -78: ldu r9,16(4) +exc; ld r7,0(4) +exc; ld r8,8(4) +exc; ldu r9,16(4) 3: -79: ld r10,8(4) -80: std r7,8(3) -81: ld r7,16(4) -82: std r8,16(3) -83: ld r8,24(4) -84: std r9,24(3) -85: ldu r9,32(4) -86: stdu r10,32(3) +exc; ld r10,8(4) +exc; std r7,8(3) +exc; ld r7,16(4) +exc; std r8,16(3) +exc; ld r8,24(4) +exc; std r9,24(3) +exc; ldu r9,32(4) +exc; stdu r10,32(3) bdnz 3b 4: -87: ld r10,8(4) -88: std r7,8(3) -89: std r8,16(3) -90: std r9,24(3) -91: std r10,32(3) +exc; ld r10,8(4) +exc; std r7,8(3) +exc; std r8,16(3) +exc; std r9,24(3) +exc; std r10,32(3) 9: ld r20,-120(1) ld r21,-112(1) ld r22,-104(1) @@ -558,7 +544,8 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD) * on an exception, reset to the beginning and jump back into the * standard __copy_tofrom_user */ -100: ld r20,-120(1) +.Labort: + ld r20,-120(1) ld r21,-112(1) ld r22,-104(1) ld r23,-96(1) @@ -574,78 +561,4 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD) ld r4,-16(r1) li r5,4096 b .Ldst_aligned - - .section __ex_table,"a" - .align 3 - .llong 20b,100b - .llong 21b,100b - .llong 22b,100b - .llong 23b,100b - .llong 24b,100b - .llong 25b,100b - .llong 26b,100b - .llong 27b,100b - .llong 28b,100b - .llong 29b,100b - .llong 30b,100b - .llong 31b,100b - .llong 32b,100b - .llong 33b,100b - .llong 34b,100b - .llong 35b,100b - .llong 36b,100b - .llong 37b,100b - .llong 38b,100b - .llong 39b,100b - .llong 40b,100b - .llong 41b,100b - .llong 42b,100b - .llong 43b,100b - .llong 44b,100b - .llong 45b,100b - .llong 46b,100b - .llong 47b,100b - .llong 48b,100b - .llong 49b,100b - .llong 50b,100b - .llong 51b,100b - .llong 52b,100b - .llong 53b,100b - .llong 54b,100b - .llong 55b,100b - .llong 56b,100b - .llong 57b,100b - .llong 58b,100b - .llong 59b,100b - .llong 60b,100b - .llong 61b,100b - .llong 62b,100b - .llong 63b,100b - .llong 64b,100b - .llong 65b,100b - .llong 66b,100b - .llong 67b,100b - .llong 68b,100b - .llong 69b,100b - .llong 70b,100b - .llong 71b,100b - .llong 72b,100b - .llong 73b,100b - .llong 74b,100b - .llong 75b,100b - .llong 76b,100b - .llong 77b,100b - .llong 78b,100b - .llong 79b,100b - .llong 80b,100b - .llong 81b,100b - .llong 82b,100b - .llong 83b,100b - .llong 84b,100b - .llong 85b,100b - .llong 86b,100b - .llong 87b,100b - .llong 88b,100b - .llong 89b,100b - .llong 90b,100b - .llong 91b,100b +EXPORT_SYMBOL(__copy_tofrom_user) |