diff options
author | Khem Raj <raj.khem@gmail.com> | 2009-08-08 20:18:38 -0700 |
---|---|---|
committer | Khem Raj <raj.khem@gmail.com> | 2009-08-08 20:18:38 -0700 |
commit | cf58571e78182f7cc07c9619ca4ae0dc2e6b5153 (patch) | |
tree | 41f47975f825b83f68719a3a86d82549fbf16715 /recipes/linux | |
parent | 9f6ae8707682ecb1afd1cad1370204f74742aa31 (diff) |
linux-titan-sh4-2.6.21: Provide sidivsi3_i4i and udivsi3_i4i
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Diffstat (limited to 'recipes/linux')
-rw-r--r-- | recipes/linux/linux-titan-sh4-2.6.21/linux-sh-__sdivsi3_i4i.patch | 684 | ||||
-rw-r--r-- | recipes/linux/linux-titan-sh4_2.6.21.bb | 3 |
2 files changed, 686 insertions, 1 deletions
diff --git a/recipes/linux/linux-titan-sh4-2.6.21/linux-sh-__sdivsi3_i4i.patch b/recipes/linux/linux-titan-sh4-2.6.21/linux-sh-__sdivsi3_i4i.patch new file mode 100644 index 0000000000..057bfc196d --- /dev/null +++ b/recipes/linux/linux-titan-sh4-2.6.21/linux-sh-__sdivsi3_i4i.patch @@ -0,0 +1,684 @@ +Index: linux-2.6.21/arch/sh/kernel/sh_ksyms.c +=================================================================== +--- linux-2.6.21.orig/arch/sh/kernel/sh_ksyms.c 2009-08-08 16:52:36.627208225 -0700 ++++ linux-2.6.21/arch/sh/kernel/sh_ksyms.c 2009-08-08 16:55:12.488253830 -0700 +@@ -82,6 +82,8 @@ + DECLARE_EXPORT(__movmem_i4_even); + DECLARE_EXPORT(__movmem_i4_odd); + DECLARE_EXPORT(__movmemSI12_i4); ++DECLARE_EXPORT(__sdivsi3_i4i); ++DECLARE_EXPORT(__udivsi3_i4i); + #else /* GCC 3.x */ + DECLARE_EXPORT(__movstr_i4_even); + DECLARE_EXPORT(__movstr_i4_odd); +Index: linux-2.6.21/arch/sh/lib/udivsi3_i4i.S +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.21/arch/sh/lib/udivsi3_i4i.S 2009-08-08 16:56:38.980208882 -0700 +@@ -0,0 +1,666 @@ ++/* Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003, ++ 2004, 2005, 2006 ++ Free Software Foundation, Inc. ++ ++This file 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, or (at your option) any ++later version. ++ ++In addition to the permissions in the GNU General Public License, the ++Free Software Foundation gives you unlimited permission to link the ++compiled version of this file into combinations with other programs, ++and to distribute those combinations without any restriction coming ++from the use of this file. (The General Public License restrictions ++do apply in other respects; for example, they cover modification of ++the file, and distribution when not linked into a combine ++executable.) ++ ++This file 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; see the file COPYING. If not, write to ++the Free Software Foundation, 51 Franklin Street, Fifth Floor, ++Boston, MA 02110-1301, USA. */ ++ ++!! libgcc routines for the Renesas / SuperH SH CPUs. ++!! Contributed by Steve Chamberlain. ++!! sac@cygnus.com ++ ++!! ashiftrt_r4_x, ___ashrsi3, ___ashlsi3, ___lshrsi3 routines ++!! recoded in assembly by Toshiyasu Morita ++!! tm@netcom.com ++ ++/* SH2 optimizations for ___ashrsi3, ___ashlsi3, ___lshrsi3 and ++ ELF local label prefixes by J"orn Rennecke ++ amylaar@cygnus.com */ ++ ++/* This code used shld, thus is not suitable for SH1 / SH2. */ ++ ++/* Signed / unsigned division without use of FPU, optimized for SH4. ++ Uses a lookup table for divisors in the range -128 .. +128, and ++ div1 with case distinction for larger divisors in three more ranges. ++ The code is lumped together with the table to allow the use of mova. */ ++#ifdef CONFIG_CPU_LITTLE_ENDIAN ++#define L_LSB 0 ++#define L_LSWMSB 1 ++#define L_MSWLSB 2 ++#else ++#define L_LSB 3 ++#define L_LSWMSB 2 ++#define L_MSWLSB 1 ++#endif ++ ++ .balign 4 ++ .global __udivsi3_i4i ++ .global __udivsi3_i4 ++ .set __udivsi3_i4, __udivsi3_i4i ++ .type __udivsi3_i4i, @function ++__udivsi3_i4i: ++ mov.w c128_w, r1 ++ div0u ++ mov r4,r0 ++ shlr8 r0 ++ cmp/hi r1,r5 ++ extu.w r5,r1 ++ bf udiv_le128 ++ cmp/eq r5,r1 ++ bf udiv_ge64k ++ shlr r0 ++ mov r5,r1 ++ shll16 r5 ++ mov.l r4,@-r15 ++ div1 r5,r0 ++ mov.l r1,@-r15 ++ div1 r5,r0 ++ div1 r5,r0 ++ bra udiv_25 ++ div1 r5,r0 ++ ++div_le128: ++ mova div_table_ix,r0 ++ bra div_le128_2 ++ mov.b @(r0,r5),r1 ++udiv_le128: ++ mov.l r4,@-r15 ++ mova div_table_ix,r0 ++ mov.b @(r0,r5),r1 ++ mov.l r5,@-r15 ++div_le128_2: ++ mova div_table_inv,r0 ++ mov.l @(r0,r1),r1 ++ mov r5,r0 ++ tst #0xfe,r0 ++ mova div_table_clz,r0 ++ dmulu.l r1,r4 ++ mov.b @(r0,r5),r1 ++ bt/s div_by_1 ++ mov r4,r0 ++ mov.l @r15+,r5 ++ sts mach,r0 ++ /* clrt */ ++ addc r4,r0 ++ mov.l @r15+,r4 ++ rotcr r0 ++ rts ++ shld r1,r0 ++ ++div_by_1_neg: ++ neg r4,r0 ++div_by_1: ++ mov.l @r15+,r5 ++ rts ++ mov.l @r15+,r4 ++ ++div_ge64k: ++ bt/s div_r8 ++ div0u ++ shll8 r5 ++ bra div_ge64k_2 ++ div1 r5,r0 ++udiv_ge64k: ++ cmp/hi r0,r5 ++ mov r5,r1 ++ bt udiv_r8 ++ shll8 r5 ++ mov.l r4,@-r15 ++ div1 r5,r0 ++ mov.l r1,@-r15 ++div_ge64k_2: ++ div1 r5,r0 ++ mov.l zero_l,r1 ++ .rept 4 ++ div1 r5,r0 ++ .endr ++ mov.l r1,@-r15 ++ div1 r5,r0 ++ mov.w m256_w,r1 ++ div1 r5,r0 ++ mov.b r0,@(L_LSWMSB,r15) ++ xor r4,r0 ++ and r1,r0 ++ bra div_ge64k_end ++ xor r4,r0 ++ ++div_r8: ++ shll16 r4 ++ bra div_r8_2 ++ shll8 r4 ++udiv_r8: ++ mov.l r4,@-r15 ++ shll16 r4 ++ clrt ++ shll8 r4 ++ mov.l r5,@-r15 ++div_r8_2: ++ rotcl r4 ++ mov r0,r1 ++ div1 r5,r1 ++ mov r4,r0 ++ rotcl r0 ++ mov r5,r4 ++ div1 r5,r1 ++ .rept 5 ++ rotcl r0; div1 r5,r1 ++ .endr ++ rotcl r0 ++ mov.l @r15+,r5 ++ div1 r4,r1 ++ mov.l @r15+,r4 ++ rts ++ rotcl r0 ++ ++ .global __sdivsi3_i4i ++ .global __sdivsi3_i4 ++ .global __sdivsi3 ++ .set __sdivsi3_i4, __sdivsi3_i4i ++ .set __sdivsi3, __sdivsi3_i4i ++ .type __sdivsi3_i4i, @function ++ /* This is link-compatible with a __sdivsi3 call, ++ but we effectively clobber only r1. */ ++__sdivsi3_i4i: ++ mov.l r4,@-r15 ++ cmp/pz r5 ++ mov.w c128_w, r1 ++ bt/s pos_divisor ++ cmp/pz r4 ++ mov.l r5,@-r15 ++ neg r5,r5 ++ bt/s neg_result ++ cmp/hi r1,r5 ++ neg r4,r4 ++pos_result: ++ extu.w r5,r0 ++ bf div_le128 ++ cmp/eq r5,r0 ++ mov r4,r0 ++ shlr8 r0 ++ bf/s div_ge64k ++ cmp/hi r0,r5 ++ div0u ++ shll16 r5 ++ div1 r5,r0 ++ div1 r5,r0 ++ div1 r5,r0 ++udiv_25: ++ mov.l zero_l,r1 ++ div1 r5,r0 ++ div1 r5,r0 ++ mov.l r1,@-r15 ++ .rept 3 ++ div1 r5,r0 ++ .endr ++ mov.b r0,@(L_MSWLSB,r15) ++ xtrct r4,r0 ++ swap.w r0,r0 ++ .rept 8 ++ div1 r5,r0 ++ .endr ++ mov.b r0,@(L_LSWMSB,r15) ++div_ge64k_end: ++ .rept 8 ++ div1 r5,r0 ++ .endr ++ mov.l @r15+,r4 ! zero-extension and swap using LS unit. ++ extu.b r0,r0 ++ mov.l @r15+,r5 ++ or r4,r0 ++ mov.l @r15+,r4 ++ rts ++ rotcl r0 ++ ++div_le128_neg: ++ tst #0xfe,r0 ++ mova div_table_ix,r0 ++ mov.b @(r0,r5),r1 ++ mova div_table_inv,r0 ++ bt/s div_by_1_neg ++ mov.l @(r0,r1),r1 ++ mova div_table_clz,r0 ++ dmulu.l r1,r4 ++ mov.b @(r0,r5),r1 ++ mov.l @r15+,r5 ++ sts mach,r0 ++ /* clrt */ ++ addc r4,r0 ++ mov.l @r15+,r4 ++ rotcr r0 ++ shld r1,r0 ++ rts ++ neg r0,r0 ++ ++pos_divisor: ++ mov.l r5,@-r15 ++ bt/s pos_result ++ cmp/hi r1,r5 ++ neg r4,r4 ++neg_result: ++ extu.w r5,r0 ++ bf div_le128_neg ++ cmp/eq r5,r0 ++ mov r4,r0 ++ shlr8 r0 ++ bf/s div_ge64k_neg ++ cmp/hi r0,r5 ++ div0u ++ mov.l zero_l,r1 ++ shll16 r5 ++ div1 r5,r0 ++ mov.l r1,@-r15 ++ .rept 7 ++ div1 r5,r0 ++ .endr ++ mov.b r0,@(L_MSWLSB,r15) ++ xtrct r4,r0 ++ swap.w r0,r0 ++ .rept 8 ++ div1 r5,r0 ++ .endr ++ mov.b r0,@(L_LSWMSB,r15) ++div_ge64k_neg_end: ++ .rept 8 ++ div1 r5,r0 ++ .endr ++ mov.l @r15+,r4 ! zero-extension and swap using LS unit. ++ extu.b r0,r1 ++ mov.l @r15+,r5 ++ or r4,r1 ++div_r8_neg_end: ++ mov.l @r15+,r4 ++ rotcl r1 ++ rts ++ neg r1,r0 ++ ++div_ge64k_neg: ++ bt/s div_r8_neg ++ div0u ++ shll8 r5 ++ mov.l zero_l,r1 ++ .rept 6 ++ div1 r5,r0 ++ .endr ++ mov.l r1,@-r15 ++ div1 r5,r0 ++ mov.w m256_w,r1 ++ div1 r5,r0 ++ mov.b r0,@(L_LSWMSB,r15) ++ xor r4,r0 ++ and r1,r0 ++ bra div_ge64k_neg_end ++ xor r4,r0 ++ ++c128_w: ++ .word 128 ++ ++div_r8_neg: ++ clrt ++ shll16 r4 ++ mov r4,r1 ++ shll8 r1 ++ mov r5,r4 ++ .rept 7 ++ rotcl r1; div1 r5,r0 ++ .endr ++ mov.l @r15+,r5 ++ rotcl r1 ++ bra div_r8_neg_end ++ div1 r4,r0 ++ ++m256_w: ++ .word 0xff00 ++/* This table has been generated by divtab-sh4.c. */ ++ .balign 4 ++div_table_clz: ++ .byte 0 ++ .byte 1 ++ .byte 0 ++ .byte -1 ++ .byte -1 ++ .byte -2 ++ .byte -2 ++ .byte -2 ++ .byte -2 ++ .byte -3 ++ .byte -3 ++ .byte -3 ++ .byte -3 ++ .byte -3 ++ .byte -3 ++ .byte -3 ++ .byte -3 ++ .byte -4 ++ .byte -4 ++ .byte -4 ++ .byte -4 ++ .byte -4 ++ .byte -4 ++ .byte -4 ++ .byte -4 ++ .byte -4 ++ .byte -4 ++ .byte -4 ++ .byte -4 ++ .byte -4 ++ .byte -4 ++ .byte -4 ++ .byte -4 ++ .byte -5 ++ .byte -5 ++ .byte -5 ++ .byte -5 ++ .byte -5 ++ .byte -5 ++ .byte -5 ++ .byte -5 ++ .byte -5 ++ .byte -5 ++ .byte -5 ++ .byte -5 ++ .byte -5 ++ .byte -5 ++ .byte -5 ++ .byte -5 ++ .byte -5 ++ .byte -5 ++ .byte -5 ++ .byte -5 ++ .byte -5 ++ .byte -5 ++ .byte -5 ++ .byte -5 ++ .byte -5 ++ .byte -5 ++ .byte -5 ++ .byte -5 ++ .byte -5 ++ .byte -5 ++ .byte -5 ++ .byte -5 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++ .byte -6 ++/* Lookup table translating positive divisor to index into table of ++ normalized inverse. N.B. the '0' entry is also the last entry of the ++ previous table, and causes an unaligned access for division by zero. */ ++div_table_ix: ++ .byte -6 ++ .byte -128 ++ .byte -128 ++ .byte 0 ++ .byte -128 ++ .byte -64 ++ .byte 0 ++ .byte 64 ++ .byte -128 ++ .byte -96 ++ .byte -64 ++ .byte -32 ++ .byte 0 ++ .byte 32 ++ .byte 64 ++ .byte 96 ++ .byte -128 ++ .byte -112 ++ .byte -96 ++ .byte -80 ++ .byte -64 ++ .byte -48 ++ .byte -32 ++ .byte -16 ++ .byte 0 ++ .byte 16 ++ .byte 32 ++ .byte 48 ++ .byte 64 ++ .byte 80 ++ .byte 96 ++ .byte 112 ++ .byte -128 ++ .byte -120 ++ .byte -112 ++ .byte -104 ++ .byte -96 ++ .byte -88 ++ .byte -80 ++ .byte -72 ++ .byte -64 ++ .byte -56 ++ .byte -48 ++ .byte -40 ++ .byte -32 ++ .byte -24 ++ .byte -16 ++ .byte -8 ++ .byte 0 ++ .byte 8 ++ .byte 16 ++ .byte 24 ++ .byte 32 ++ .byte 40 ++ .byte 48 ++ .byte 56 ++ .byte 64 ++ .byte 72 ++ .byte 80 ++ .byte 88 ++ .byte 96 ++ .byte 104 ++ .byte 112 ++ .byte 120 ++ .byte -128 ++ .byte -124 ++ .byte -120 ++ .byte -116 ++ .byte -112 ++ .byte -108 ++ .byte -104 ++ .byte -100 ++ .byte -96 ++ .byte -92 ++ .byte -88 ++ .byte -84 ++ .byte -80 ++ .byte -76 ++ .byte -72 ++ .byte -68 ++ .byte -64 ++ .byte -60 ++ .byte -56 ++ .byte -52 ++ .byte -48 ++ .byte -44 ++ .byte -40 ++ .byte -36 ++ .byte -32 ++ .byte -28 ++ .byte -24 ++ .byte -20 ++ .byte -16 ++ .byte -12 ++ .byte -8 ++ .byte -4 ++ .byte 0 ++ .byte 4 ++ .byte 8 ++ .byte 12 ++ .byte 16 ++ .byte 20 ++ .byte 24 ++ .byte 28 ++ .byte 32 ++ .byte 36 ++ .byte 40 ++ .byte 44 ++ .byte 48 ++ .byte 52 ++ .byte 56 ++ .byte 60 ++ .byte 64 ++ .byte 68 ++ .byte 72 ++ .byte 76 ++ .byte 80 ++ .byte 84 ++ .byte 88 ++ .byte 92 ++ .byte 96 ++ .byte 100 ++ .byte 104 ++ .byte 108 ++ .byte 112 ++ .byte 116 ++ .byte 120 ++ .byte 124 ++ .byte -128 ++/* 1/64 .. 1/127, normalized. There is an implicit leading 1 in bit 32. */ ++ .balign 4 ++zero_l: ++ .long 0x0 ++ .long 0xF81F81F9 ++ .long 0xF07C1F08 ++ .long 0xE9131AC0 ++ .long 0xE1E1E1E2 ++ .long 0xDAE6076C ++ .long 0xD41D41D5 ++ .long 0xCD856891 ++ .long 0xC71C71C8 ++ .long 0xC0E07039 ++ .long 0xBACF914D ++ .long 0xB4E81B4F ++ .long 0xAF286BCB ++ .long 0xA98EF607 ++ .long 0xA41A41A5 ++ .long 0x9EC8E952 ++ .long 0x9999999A ++ .long 0x948B0FCE ++ .long 0x8F9C18FA ++ .long 0x8ACB90F7 ++ .long 0x86186187 ++ .long 0x81818182 ++ .long 0x7D05F418 ++ .long 0x78A4C818 ++ .long 0x745D1746 ++ .long 0x702E05C1 ++ .long 0x6C16C16D ++ .long 0x68168169 ++ .long 0x642C8591 ++ .long 0x60581606 ++ .long 0x5C9882BA ++ .long 0x58ED2309 ++div_table_inv: ++ .long 0x55555556 ++ .long 0x51D07EAF ++ .long 0x4E5E0A73 ++ .long 0x4AFD6A06 ++ .long 0x47AE147B ++ .long 0x446F8657 ++ .long 0x41414142 ++ .long 0x3E22CBCF ++ .long 0x3B13B13C ++ .long 0x38138139 ++ .long 0x3521CFB3 ++ .long 0x323E34A3 ++ .long 0x2F684BDB ++ .long 0x2C9FB4D9 ++ .long 0x29E4129F ++ .long 0x27350B89 ++ .long 0x24924925 ++ .long 0x21FB7813 ++ .long 0x1F7047DD ++ .long 0x1CF06ADB ++ .long 0x1A7B9612 ++ .long 0x18118119 ++ .long 0x15B1E5F8 ++ .long 0x135C8114 ++ .long 0x11111112 ++ .long 0xECF56BF ++ .long 0xC9714FC ++ .long 0xA6810A7 ++ .long 0x8421085 ++ .long 0x624DD30 ++ .long 0x4104105 ++ .long 0x2040811 ++ /* maximum error: 0.987342 scaled: 0.921875*/ diff --git a/recipes/linux/linux-titan-sh4_2.6.21.bb b/recipes/linux/linux-titan-sh4_2.6.21.bb index e40a79b4c8..ef5ffad0db 100644 --- a/recipes/linux/linux-titan-sh4_2.6.21.bb +++ b/recipes/linux/linux-titan-sh4_2.6.21.bb @@ -1,13 +1,14 @@ SECTION = "kernel" DESCRIPTION = "Linux kernel for SH4 based TITAN (NP51R/LinkGear Series 100) router appliance" LICENSE = "GPL" -PR = "r1" +PR = "r2" SRC_URI = "${KERNELORG_MIRROR}/pub/linux/kernel/v2.6/linux-${PV}.tar.bz2 \ file://titan-flash.patch;patch=1 \ file://titan-pcibios-scan-update.patch;patch=1 \ file://no-mm-mutex.patch;patch=1 \ file://linux-2.6-limits.patch;patch=1 \ + file://linux-sh-__sdivsi3_i4i.patch;patch=1 \ file://titan-config" S = "${WORKDIR}/linux-${PV}" |