diff options
Diffstat (limited to 'arch/score/lib')
-rw-r--r-- | arch/score/lib/Makefile | 8 | ||||
-rw-r--r-- | arch/score/lib/ashldi3.c | 46 | ||||
-rw-r--r-- | arch/score/lib/ashrdi3.c | 48 | ||||
-rw-r--r-- | arch/score/lib/checksum.S | 255 | ||||
-rw-r--r-- | arch/score/lib/checksum_copy.c | 53 | ||||
-rw-r--r-- | arch/score/lib/cmpdi2.c | 44 | ||||
-rw-r--r-- | arch/score/lib/libgcc.h | 37 | ||||
-rw-r--r-- | arch/score/lib/lshrdi3.c | 47 | ||||
-rw-r--r-- | arch/score/lib/string.S | 156 | ||||
-rw-r--r-- | arch/score/lib/ucmpdi2.c | 38 |
10 files changed, 0 insertions, 732 deletions
diff --git a/arch/score/lib/Makefile b/arch/score/lib/Makefile deleted file mode 100644 index 553e30e81faf..000000000000 --- a/arch/score/lib/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -# -# Makefile for SCORE-specific library files.. -# - -lib-y += string.o checksum.o checksum_copy.o - -# libgcc-style stuff needed in the kernel -obj-y += ashldi3.o ashrdi3.o cmpdi2.o lshrdi3.o ucmpdi2.o diff --git a/arch/score/lib/ashldi3.c b/arch/score/lib/ashldi3.c deleted file mode 100644 index 15691a910431..000000000000 --- a/arch/score/lib/ashldi3.c +++ /dev/null @@ -1,46 +0,0 @@ -/* - * arch/score/lib/ashldi3.c - * - * 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, see the file COPYING, or write - * to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <linux/module.h> -#include "libgcc.h" - -long long __ashldi3(long long u, word_type b) -{ - DWunion uu, w; - word_type bm; - - if (b == 0) - return u; - - uu.ll = u; - bm = 32 - b; - - if (bm <= 0) { - w.s.low = 0; - w.s.high = (unsigned int) uu.s.low << -bm; - } else { - const unsigned int carries = (unsigned int) uu.s.low >> bm; - - w.s.low = (unsigned int) uu.s.low << b; - w.s.high = ((unsigned int) uu.s.high << b) | carries; - } - - return w.ll; -} -EXPORT_SYMBOL(__ashldi3); diff --git a/arch/score/lib/ashrdi3.c b/arch/score/lib/ashrdi3.c deleted file mode 100644 index d9814a5d8d30..000000000000 --- a/arch/score/lib/ashrdi3.c +++ /dev/null @@ -1,48 +0,0 @@ -/* - * arch/score/lib/ashrdi3.c - * - * 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, see the file COPYING, or write - * to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <linux/module.h> -#include "libgcc.h" - -long long __ashrdi3(long long u, word_type b) -{ - DWunion uu, w; - word_type bm; - - if (b == 0) - return u; - - uu.ll = u; - bm = 32 - b; - - if (bm <= 0) { - /* w.s.high = 1..1 or 0..0 */ - w.s.high = - uu.s.high >> 31; - w.s.low = uu.s.high >> -bm; - } else { - const unsigned int carries = (unsigned int) uu.s.high << bm; - - w.s.high = uu.s.high >> b; - w.s.low = ((unsigned int) uu.s.low >> b) | carries; - } - - return w.ll; -} -EXPORT_SYMBOL(__ashrdi3); diff --git a/arch/score/lib/checksum.S b/arch/score/lib/checksum.S deleted file mode 100644 index 1141f2b4a501..000000000000 --- a/arch/score/lib/checksum.S +++ /dev/null @@ -1,255 +0,0 @@ -/* - * arch/score/lib/csum_partial.S - * - * Score Processor version. - * - * Copyright (C) 2009 Sunplus Core Technology Co., Ltd. - * Lennox Wu <lennox.wu@sunplusct.com> - * Chen Liqin <liqin.chen@sunplusct.com> - * - * 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, see the file COPYING, or write - * to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ -#include <linux/linkage.h> - -#define ADDC(sum,reg) \ - add sum, sum, reg; \ - cmp.c reg, sum; \ - bleu 9f; \ - addi sum, 0x1; \ -9: - -#define CSUM_BIGCHUNK(src, offset, sum) \ - lw r8, [src, offset + 0x00]; \ - lw r9, [src, offset + 0x04]; \ - lw r10, [src, offset + 0x08]; \ - lw r11, [src, offset + 0x0c]; \ - ADDC(sum, r8); \ - ADDC(sum, r9); \ - ADDC(sum, r10); \ - ADDC(sum, r11); \ - lw r8, [src, offset + 0x10]; \ - lw r9, [src, offset + 0x14]; \ - lw r10, [src, offset + 0x18]; \ - lw r11, [src, offset + 0x1c]; \ - ADDC(sum, r8); \ - ADDC(sum, r9); \ - ADDC(sum, r10); \ - ADDC(sum, r11); \ - -#define src r4 -#define dest r5 -#define sum r27 - - .text -/* unknown src alignment and < 8 bytes to go */ -small_csumcpy: - mv r5, r10 - ldi r9, 0x0 - cmpi.c r25, 0x1 - beq pass_small_set_t7 /*already set, jump to pass_small_set_t7*/ - andri.c r25,r4 , 0x1 /*Is src 2 bytes aligned?*/ - -pass_small_set_t7: - beq aligned - cmpi.c r5, 0x0 - beq fold - lbu r9, [src] - slli r9,r9, 0x8 /*Little endian*/ - ADDC(sum, r9) - addi src, 0x1 - subi.c r5, 0x1 - - /*len still a full word */ -aligned: - andri.c r8, r5, 0x4 /*Len >= 4?*/ - beq len_less_4bytes - - /* Still a full word (4byte) to go,and the src is word aligned.*/ - andri.c r8, src, 0x3 /*src is 4bytes aligned, so use LW!!*/ - beq four_byte_aligned - lhu r9, [src] - addi src, 2 - ADDC(sum, r9) - lhu r9, [src] - addi src, 2 - ADDC(sum, r9) - b len_less_4bytes - -four_byte_aligned: /* Len >=4 and four byte aligned */ - lw r9, [src] - addi src, 4 - ADDC(sum, r9) - -len_less_4bytes: /* 2 byte aligned aligned and length<4B */ - andri.c r8, r5, 0x2 - beq len_less_2bytes - lhu r9, [src] - addi src, 0x2 /* src+=2 */ - ADDC(sum, r9) - -len_less_2bytes: /* len = 1 */ - andri.c r8, r5, 0x1 - beq fold /* less than 2 and not equal 1--> len=0 -> fold */ - lbu r9, [src] - -fold_ADDC: - ADDC(sum, r9) -fold: - /* fold checksum */ - slli r26, sum, 16 - add sum, sum, r26 - cmp.c r26, sum - srli sum, sum, 16 - bleu 1f /* if r26<=sum */ - addi sum, 0x1 /* r26>sum */ -1: - /* odd buffer alignment? r25 was set in csum_partial */ - cmpi.c r25, 0x0 - beq 1f - slli r26, sum, 8 - srli sum, sum, 8 - or sum, sum, r26 - andi sum, 0xffff -1: - .set optimize - /* Add the passed partial csum. */ - ADDC(sum, r6) - mv r4, sum - br r3 - .set volatile - - .align 5 -ENTRY(csum_partial) - ldi sum, 0 - ldi r25, 0 - mv r10, r5 - cmpi.c r5, 0x8 - blt small_csumcpy /* < 8(signed) bytes to copy */ - cmpi.c r5, 0x0 - beq out - andri.c r25, src, 0x1 /* odd buffer? */ - - beq word_align -hword_align: /* 1 byte */ - lbu r8, [src] - subi r5, 0x1 - slli r8, r8, 8 - ADDC(sum, r8) - addi src, 0x1 - -word_align: /* 2 bytes */ - andri.c r8, src, 0x2 /* 4bytes(dword)_aligned? */ - beq dword_align /* not, maybe dword_align */ - lhu r8, [src] - subi r5, 0x2 - ADDC(sum, r8) - addi src, 0x2 - -dword_align: /* 4bytes */ - mv r26, r5 /* maybe useless when len >=56 */ - ldi r8, 56 - cmp.c r8, r5 - bgtu do_end_words /* if a1(len)<t0(56) ,unsigned */ - andri.c r26, src, 0x4 - beq qword_align - lw r8, [src] - subi r5, 0x4 - ADDC(sum, r8) - addi src, 0x4 - -qword_align: /* 8 bytes */ - andri.c r26, src, 0x8 - beq oword_align - lw r8, [src, 0x0] - lw r9, [src, 0x4] - subi r5, 0x8 /* len-=0x8 */ - ADDC(sum, r8) - ADDC(sum, r9) - addi src, 0x8 - -oword_align: /* 16bytes */ - andri.c r26, src, 0x10 - beq begin_movement - lw r10, [src, 0x08] - lw r11, [src, 0x0c] - lw r8, [src, 0x00] - lw r9, [src, 0x04] - ADDC(sum, r10) - ADDC(sum, r11) - ADDC(sum, r8) - ADDC(sum, r9) - subi r5, 0x10 - addi src, 0x10 - -begin_movement: - srli.c r26, r5, 0x7 /* len>=128? */ - beq 1f /* len<128 */ - -/* r26 is the result that computed in oword_align */ -move_128bytes: - CSUM_BIGCHUNK(src, 0x00, sum) - CSUM_BIGCHUNK(src, 0x20, sum) - CSUM_BIGCHUNK(src, 0x40, sum) - CSUM_BIGCHUNK(src, 0x60, sum) - subi.c r26, 0x01 /* r26 equals len/128 */ - addi src, 0x80 - bne move_128bytes - -1: /* len<128,we process 64byte here */ - andri.c r10, r5, 0x40 - beq 1f - -move_64bytes: - CSUM_BIGCHUNK(src, 0x00, sum) - CSUM_BIGCHUNK(src, 0x20, sum) - addi src, 0x40 - -1: /* len<64 */ - andri r26, r5, 0x1c /* 0x1c=28 */ - andri.c r10, r5, 0x20 - beq do_end_words /* decided by andri */ - -move_32bytes: - CSUM_BIGCHUNK(src, 0x00, sum) - andri r26, r5, 0x1c - addri src, src, 0x20 - -do_end_words: /* len<32 */ - /* r26 was set already in dword_align */ - cmpi.c r26, 0x0 - beq maybe_end_cruft /* len<28 or len<56 */ - srli r26, r26, 0x2 - -end_words: - lw r8, [src] - subi.c r26, 0x1 /* unit is 4 byte */ - ADDC(sum, r8) - addi src, 0x4 - cmpi.c r26, 0x0 - bne end_words /* r26!=0 */ - -maybe_end_cruft: /* len<4 */ - andri r10, r5, 0x3 - -small_memcpy: - mv r5, r10 - j small_csumcpy - -out: - mv r4, sum - br r3 - -END(csum_partial) diff --git a/arch/score/lib/checksum_copy.c b/arch/score/lib/checksum_copy.c deleted file mode 100644 index 39b99ef61804..000000000000 --- a/arch/score/lib/checksum_copy.c +++ /dev/null @@ -1,53 +0,0 @@ -/* - * arch/score/lib/csum_partial_copy.c - * - * Score Processor version. - * - * Copyright (C) 2009 Sunplus Core Technology Co., Ltd. - * Lennox Wu <lennox.wu@sunplusct.com> - * Chen Liqin <liqin.chen@sunplusct.com> - * - * 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, see the file COPYING, or write - * to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <net/checksum.h> - -#include <linux/uaccess.h> - -unsigned int csum_partial_copy(const char *src, char *dst, - int len, unsigned int sum) -{ - sum = csum_partial(src, len, sum); - memcpy(dst, src, len); - - return sum; -} - -unsigned int csum_partial_copy_from_user(const char *src, char *dst, - int len, unsigned int sum, - int *err_ptr) -{ - int missing; - - missing = copy_from_user(dst, src, len); - if (missing) { - memset(dst + len - missing, 0, missing); - *err_ptr = -EFAULT; - } - - return csum_partial(dst, len, sum); -} -EXPORT_SYMBOL(csum_partial_copy_from_user); diff --git a/arch/score/lib/cmpdi2.c b/arch/score/lib/cmpdi2.c deleted file mode 100644 index 1ed5290c66ed..000000000000 --- a/arch/score/lib/cmpdi2.c +++ /dev/null @@ -1,44 +0,0 @@ -/* - * arch/score/lib/cmpdi2.c - * - * 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, see the file COPYING, or write - * to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <linux/module.h> -#include "libgcc.h" - -word_type __cmpdi2(long long a, long long b) -{ - const DWunion au = { - .ll = a - }; - const DWunion bu = { - .ll = b - }; - - if (au.s.high < bu.s.high) - return 0; - else if (au.s.high > bu.s.high) - return 2; - - if ((unsigned int) au.s.low < (unsigned int) bu.s.low) - return 0; - else if ((unsigned int) au.s.low > (unsigned int) bu.s.low) - return 2; - - return 1; -} -EXPORT_SYMBOL(__cmpdi2); diff --git a/arch/score/lib/libgcc.h b/arch/score/lib/libgcc.h deleted file mode 100644 index 0f12543d9f31..000000000000 --- a/arch/score/lib/libgcc.h +++ /dev/null @@ -1,37 +0,0 @@ -/* - * arch/score/lib/libgcc.h - * - * 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, see the file COPYING, or write - * to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - - -#ifndef __ASM_LIBGCC_H -#define __ASM_LIBGCC_H - -#include <asm/byteorder.h> - -typedef int word_type __attribute__((mode(__word__))); - -struct DWstruct { - int low, high; -}; - -typedef union { - struct DWstruct s; - long long ll; -} DWunion; - -#endif /* __ASM_LIBGCC_H */ diff --git a/arch/score/lib/lshrdi3.c b/arch/score/lib/lshrdi3.c deleted file mode 100644 index ce21175fd791..000000000000 --- a/arch/score/lib/lshrdi3.c +++ /dev/null @@ -1,47 +0,0 @@ -/* - * arch/score/lib/lshrdi3.c - * - * 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, see the file COPYING, or write - * to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - - -#include <linux/module.h> -#include "libgcc.h" - -long long __lshrdi3(long long u, word_type b) -{ - DWunion uu, w; - word_type bm; - - if (b == 0) - return u; - - uu.ll = u; - bm = 32 - b; - - if (bm <= 0) { - w.s.high = 0; - w.s.low = (unsigned int) uu.s.high >> -bm; - } else { - const unsigned int carries = (unsigned int) uu.s.high << bm; - - w.s.high = (unsigned int) uu.s.high >> b; - w.s.low = ((unsigned int) uu.s.low >> b) | carries; - } - - return w.ll; -} -EXPORT_SYMBOL(__lshrdi3); diff --git a/arch/score/lib/string.S b/arch/score/lib/string.S deleted file mode 100644 index e0c0318c9010..000000000000 --- a/arch/score/lib/string.S +++ /dev/null @@ -1,156 +0,0 @@ -/* - * arch/score/lib/string.S - * - * Score Processor version. - * - * Copyright (C) 2009 Sunplus Core Technology Co., Ltd. - * Chen Liqin <liqin.chen@sunplusct.com> - * Lennox Wu <lennox.wu@sunplusct.com> - * - * 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, see the file COPYING, or write - * to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <linux/linkage.h> -#include <asm-generic/errno.h> - - .text - .align 2 -ENTRY(__strncpy_from_user) - cmpi.c r6, 0 - mv r9, r6 - ble .L2 -0: lbu r7, [r5] - ldi r8, 0 -1: sb r7, [r4] -2: lb r6, [r5] - cmp.c r6, r8 - beq .L2 - -.L5: - addi r8, 1 - cmp.c r8, r9 - beq .L7 -3: lbu r6, [r5, 1]+ -4: sb r6, [r4, 1]+ -5: lb r7, [r5] - cmpi.c r7, 0 - bne .L5 -.L7: - mv r4, r8 - br r3 -.L2: - ldi r8, 0 - mv r4, r8 - br r3 - .section .fixup, "ax" -99: - ldi r4, -EFAULT - br r3 - .previous - .section __ex_table, "a" - .align 2 - .word 0b ,99b - .word 1b ,99b - .word 2b ,99b - .word 3b ,99b - .word 4b ,99b - .word 5b ,99b - .previous - - .align 2 -ENTRY(__strnlen_user) - cmpi.c r5, 0 - ble .L11 -0: lb r6, [r4] - ldi r7, 0 - cmp.c r6, r7 - beq .L11 -.L15: - addi r7, 1 - cmp.c r7, r5 - beq .L23 -1: lb r6, [r4,1]+ - cmpi.c r6, 0 - bne .L15 -.L23: - addri r4, r7, 1 - br r3 - -.L11: - ldi r4, 1 - br r3 - .section .fixup, "ax" -99: - ldi r4, 0 - br r3 - - .section __ex_table,"a" - .align 2 - .word 0b, 99b - .word 1b, 99b - .previous - - .align 2 -ENTRY(__copy_tofrom_user) - cmpi.c r6, 0 - mv r10,r6 - beq .L32 - ldi r9, 0 -.L34: - add r6, r5, r9 -0: lbu r8, [r6] - add r7, r4, r9 -1: sb r8, [r7] - addi r9, 1 - cmp.c r9, r10 - bne .L34 -.L32: - ldi r4, 0 - br r3 - .section .fixup, "ax" -99: - sub r4, r10, r9 - br r3 - .previous - .section __ex_table, "a" - .align 2 - .word 0b, 99b - .word 1b, 99b - .previous - - .align 2 -ENTRY(__clear_user) - cmpi.c r5, 0 - beq .L38 - ldi r6, 0 - mv r7, r6 -.L40: - addi r6, 1 -0: sb r7, [r4]+, 1 - cmp.c r6, r5 - bne .L40 -.L38: - ldi r4, 0 - br r3 - - .section .fixup, "ax" -99: - br r3 - .previous - .section __ex_table, "a" - .align 2 - .word 0b, 99b - .previous diff --git a/arch/score/lib/ucmpdi2.c b/arch/score/lib/ucmpdi2.c deleted file mode 100644 index b15241e0b079..000000000000 --- a/arch/score/lib/ucmpdi2.c +++ /dev/null @@ -1,38 +0,0 @@ -/* - * arch/score/lib/ucmpdi2.c - * - * 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, see the file COPYING, or write - * to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <linux/module.h> -#include "libgcc.h" - -word_type __ucmpdi2(unsigned long long a, unsigned long long b) -{ - const DWunion au = {.ll = a}; - const DWunion bu = {.ll = b}; - - if ((unsigned int) au.s.high < (unsigned int) bu.s.high) - return 0; - else if ((unsigned int) au.s.high > (unsigned int) bu.s.high) - return 2; - if ((unsigned int) au.s.low < (unsigned int) bu.s.low) - return 0; - else if ((unsigned int) au.s.low > (unsigned int) bu.s.low) - return 2; - return 1; -} -EXPORT_SYMBOL(__ucmpdi2); |