aboriginal: sources/patches/linux-2.6.25-rc1-noperl.patch annotate

annotate sources/patches/linux-2.6.25-rc1-noperl.patch @ 680:924527b0b454

Fix ppc bios, this is the one from qemu svn 6657.

author	Rob Landley <rob@landley.net>
date	Mon, 30 Mar 2009 04:50:02 -0500
parents	9b36b9dbfc4c
children	79baef2e88cc

rev	line source
605 9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	1 From: Rob Landley <rob@landley.net>
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	2
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	3 Replace kernel/timeconst.pl with kernel/timeconst.sh. The new shell script
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	4 is much simpler, about 1/4 the size, and runs on Red Hat 9 from 2003.
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	5
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	6 It requires a shell which can do 64 bit math, such as bash, busybox ash,
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	7 or dash running on a 64 bit host.
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	8
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	9 Changes from previous version:
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	10
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	11 Redo ADJ32 math to avoid integer overflow for small HZ sizes (such as 24 or
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	12 122). In the pathological case (HZ=1) both versions now produce
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	13 USEC_TO_HZ_ADJ32 of 0x7ffff79c842fa. (See source comments for details.)
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	14
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	15 Also expand usage message, add error message when no 64 bit math available in
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	16 shell (and suggest some shells that support it), add whitespace around
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	17 operators in equations, added underscores before __KERNEL_TIMECONST_H, change
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	18 makefile so script is responsible for creating output file, make script delete
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	19 output file on error, change shebang to #!/bin/sh and test with dash and bash.
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	20
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	21 Signed-off-by: Rob Landley <rob@landley.net>
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	22 ---
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	23
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	24 kernel/Makefile \| 4
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	25 kernel/timeconst.pl \| 378 ------------------------------------------
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	26 kernel/timeconst.sh \| 149 ++++++++++++++++
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	27 3 files changed, 151 insertions(+), 380 deletions(-)
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	28
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	29 --- linux-2.6.28/kernel/timeconst.pl 2008-12-24 17:26:37.000000000 -0600
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	30 +++ /dev/null 2008-11-21 04:46:41.000000000 -0600
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	31 @@ -1,378 +0,0 @@
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	32 -#!/usr/bin/perl
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	33 -# -----------------------------------------------------------------------
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	34 -#
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	35 -# Copyright 2007-2008 rPath, Inc. - All Rights Reserved
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	36 -#
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	37 -# This file is part of the Linux kernel, and is made available under
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	38 -# the terms of the GNU General Public License version 2 or (at your
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	39 -# option) any later version; incorporated herein by reference.
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	40 -#
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	41 -# -----------------------------------------------------------------------
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	42 -#
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	43 -
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	44 -#
311 a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	45 -# Usage: timeconst.pl HZ > timeconst.h
605 9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	46 -#
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	47 -
311 a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	48 -# Precomputed values for systems without Math::BigInt
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	49 -# Generated by:
605 9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	50 -# timeconst.pl --can 24 32 48 64 100 122 128 200 250 256 300 512 1000 1024 1200
311 a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	51 -%canned_values = (
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	52 - 24 => [
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	53 - '0xa6aaaaab','0x2aaaaaa',26,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	54 - 125,3,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	55 - '0xc49ba5e4','0x1fbe76c8b4',37,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	56 - 3,125,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	57 - '0xa2c2aaab','0xaaaa',16,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	58 - 125000,3,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	59 - '0xc9539b89','0x7fffbce4217d',47,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	60 - 3,125000,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	61 - ], 32 => [
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	62 - '0xfa000000','0x6000000',27,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	63 - 125,4,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	64 - '0x83126e98','0xfdf3b645a',36,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	65 - 4,125,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	66 - '0xf4240000','0x0',17,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	67 - 31250,1,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	68 - '0x8637bd06','0x3fff79c842fa',46,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	69 - 1,31250,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	70 - ], 48 => [
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	71 - '0xa6aaaaab','0x6aaaaaa',27,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	72 - 125,6,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	73 - '0xc49ba5e4','0xfdf3b645a',36,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	74 - 6,125,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	75 - '0xa2c2aaab','0x15555',17,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	76 - 62500,3,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	77 - '0xc9539b89','0x3fffbce4217d',46,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	78 - 3,62500,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	79 - ], 64 => [
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	80 - '0xfa000000','0xe000000',28,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	81 - 125,8,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	82 - '0x83126e98','0x7ef9db22d',35,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	83 - 8,125,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	84 - '0xf4240000','0x0',18,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	85 - 15625,1,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	86 - '0x8637bd06','0x1fff79c842fa',45,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	87 - 1,15625,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	88 - ], 100 => [
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	89 - '0xa0000000','0x0',28,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	90 - 10,1,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	91 - '0xcccccccd','0x733333333',35,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	92 - 1,10,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	93 - '0x9c400000','0x0',18,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	94 - 10000,1,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	95 - '0xd1b71759','0x1fff2e48e8a7',45,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	96 - 1,10000,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	97 - ], 122 => [
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	98 - '0x8325c53f','0xfbcda3a',28,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	99 - 500,61,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	100 - '0xf9db22d1','0x7fbe76c8b',35,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	101 - 61,500,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	102 - '0x8012e2a0','0x3ef36',18,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	103 - 500000,61,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	104 - '0xffda4053','0x1ffffbce4217',45,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	105 - 61,500000,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	106 - ], 128 => [
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	107 - '0xfa000000','0x1e000000',29,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	108 - 125,16,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	109 - '0x83126e98','0x3f7ced916',34,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	110 - 16,125,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	111 - '0xf4240000','0x40000',19,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	112 - 15625,2,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	113 - '0x8637bd06','0xfffbce4217d',44,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	114 - 2,15625,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	115 - ], 200 => [
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	116 - '0xa0000000','0x0',29,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	117 - 5,1,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	118 - '0xcccccccd','0x333333333',34,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	119 - 1,5,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	120 - '0x9c400000','0x0',19,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	121 - 5000,1,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	122 - '0xd1b71759','0xfff2e48e8a7',44,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	123 - 1,5000,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	124 - ], 250 => [
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	125 - '0x80000000','0x0',29,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	126 - 4,1,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	127 - '0x80000000','0x180000000',33,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	128 - 1,4,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	129 - '0xfa000000','0x0',20,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	130 - 4000,1,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	131 - '0x83126e98','0x7ff7ced9168',43,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	132 - 1,4000,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	133 - ], 256 => [
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	134 - '0xfa000000','0x3e000000',30,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	135 - 125,32,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	136 - '0x83126e98','0x1fbe76c8b',33,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	137 - 32,125,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	138 - '0xf4240000','0xc0000',20,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	139 - 15625,4,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	140 - '0x8637bd06','0x7ffde7210be',43,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	141 - 4,15625,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	142 - ], 300 => [
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	143 - '0xd5555556','0x2aaaaaaa',30,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	144 - 10,3,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	145 - '0x9999999a','0x1cccccccc',33,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	146 - 3,10,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	147 - '0xd0555556','0xaaaaa',20,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	148 - 10000,3,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	149 - '0x9d495183','0x7ffcb923a29',43,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	150 - 3,10000,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	151 - ], 512 => [
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	152 - '0xfa000000','0x7e000000',31,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	153 - 125,64,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	154 - '0x83126e98','0xfdf3b645',32,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	155 - 64,125,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	156 - '0xf4240000','0x1c0000',21,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	157 - 15625,8,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	158 - '0x8637bd06','0x3ffef39085f',42,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	159 - 8,15625,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	160 - ], 1000 => [
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	161 - '0x80000000','0x0',31,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	162 - 1,1,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	163 - '0x80000000','0x0',31,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	164 - 1,1,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	165 - '0xfa000000','0x0',22,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	166 - 1000,1,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	167 - '0x83126e98','0x1ff7ced9168',41,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	168 - 1,1000,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	169 - ], 1024 => [
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	170 - '0xfa000000','0xfe000000',32,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	171 - 125,128,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	172 - '0x83126e98','0x7ef9db22',31,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	173 - 128,125,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	174 - '0xf4240000','0x3c0000',22,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	175 - 15625,16,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	176 - '0x8637bd06','0x1fff79c842f',41,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	177 - 16,15625,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	178 - ], 1200 => [
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	179 - '0xd5555556','0xd5555555',32,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	180 - 5,6,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	181 - '0x9999999a','0x66666666',31,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	182 - 6,5,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	183 - '0xd0555556','0x2aaaaa',22,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	184 - 2500,3,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	185 - '0x9d495183','0x1ffcb923a29',41,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	186 - 3,2500,
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	187 - ]
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	188 -);
605 9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	189 -
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	190 -$has_bigint = eval 'use Math::BigInt qw(bgcd); 1;';
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	191 -
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	192 -sub bint($)
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	193 -{
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	194 - my($x) = @_;
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	195 - return Math::BigInt->new($x);
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	196 -}
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	197 -
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	198 -#
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	199 -# Constants for division by reciprocal multiplication.
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	200 -# (bits, numerator, denominator)
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	201 -#
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	202 -sub fmul($$$)
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	203 -{
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	204 - my ($b,$n,$d) = @_;
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	205 -
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	206 - $n = bint($n);
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	207 - $d = bint($d);
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	208 -
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	209 - return scalar (($n << $b)+$d-bint(1))/$d;
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	210 -}
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	211 -
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	212 -sub fadj($$$)
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	213 -{
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	214 - my($b,$n,$d) = @_;
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	215 -
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	216 - $n = bint($n);
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	217 - $d = bint($d);
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	218 -
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	219 - $d = $d/bgcd($n, $d);
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	220 - return scalar (($d-bint(1)) << $b)/$d;
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	221 -}
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	222 -
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	223 -sub fmuls($$$) {
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	224 - my($b,$n,$d) = @_;
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	225 - my($s,$m);
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	226 - my($thres) = bint(1) << ($b-1);
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	227 -
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	228 - $n = bint($n);
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	229 - $d = bint($d);
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	230 -
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	231 - for ($s = 0; 1; $s++) {
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	232 - $m = fmul($s,$n,$d);
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	233 - return $s if ($m >= $thres);
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	234 - }
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	235 - return 0;
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	236 -}
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	237 -
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	238 -# Generate a hex value if the result fits in 64 bits;
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	239 -# otherwise skip.
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	240 -sub bignum_hex($) {
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	241 - my($x) = @_;
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	242 - my $s = $x->as_hex();
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	243 -
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	244 - return (length($s) > 18) ? undef : $s;
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	245 -}
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	246 -
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	247 -# Provides mul, adj, and shr factors for a specific
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	248 -# (bit, time, hz) combination
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	249 -sub muladj($$$) {
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	250 - my($b, $t, $hz) = @_;
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	251 - my $s = fmuls($b, $t, $hz);
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	252 - my $m = fmul($s, $t, $hz);
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	253 - my $a = fadj($s, $t, $hz);
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	254 - return (bignum_hex($m), bignum_hex($a), $s);
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	255 -}
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	256 -
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	257 -# Provides numerator, denominator values
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	258 -sub numden($$) {
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	259 - my($n, $d) = @_;
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	260 - my $g = bgcd($n, $d);
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	261 - return ($n/$g, $d/$g);
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	262 -}
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	263 -
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	264 -# All values for a specific (time, hz) combo
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	265 -sub conversions($$) {
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	266 - my ($t, $hz) = @_;
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	267 - my @val = ();
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	268 -
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	269 - # HZ_TO_xx
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	270 - push(@val, muladj(32, $t, $hz));
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	271 - push(@val, numden($t, $hz));
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	272 -
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	273 - # xx_TO_HZ
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	274 - push(@val, muladj(32, $hz, $t));
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	275 - push(@val, numden($hz, $t));
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	276 -
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	277 - return @val;
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	278 -}
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	279 -
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	280 -sub compute_values($) {
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	281 - my($hz) = @_;
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	282 - my @val = ();
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	283 - my $s, $m, $a, $g;
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	284 -
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	285 - if (!$has_bigint) {
311 a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	286 - die "$0: HZ == $hz not canned and ".
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	287 - "Math::BigInt not available\n";
605 9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	288 - }
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	289 -
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	290 - # MSEC conversions
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	291 - push(@val, conversions(1000, $hz));
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	292 -
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	293 - # USEC conversions
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	294 - push(@val, conversions(1000000, $hz));
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	295 -
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	296 - return @val;
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	297 -}
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	298 -
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	299 -sub outputval($$)
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	300 -{
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	301 - my($name, $val) = @_;
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	302 - my $csuf;
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	303 -
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	304 - if (defined($val)) {
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	305 - if ($name !~ /SHR/) {
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	306 - $val = "U64_C($val)";
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	307 - }
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	308 - printf "#define %-23s %s\n", $name.$csuf, $val.$csuf;
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	309 - }
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	310 -}
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	311 -
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	312 -sub output($@)
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	313 -{
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	314 - my($hz, @val) = @_;
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	315 - my $pfx, $bit, $suf, $s, $m, $a;
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	316 -
311 a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	317 - print "/* Automatically generated by kernel/timeconst.pl */\n";
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	318 - print "/* Conversion constants for HZ == $hz */\n";
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	319 - print "\n";
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	320 - print "#ifndef KERNEL_TIMECONST_H\n";
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	321 - print "#define KERNEL_TIMECONST_H\n";
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	322 - print "\n";
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	323 -
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	324 - print "#include <linux/param.h>\n";
605 9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	325 - print "#include <linux/types.h>\n";
311 a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	326 -
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	327 - print "\n";
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	328 - print "#if HZ != $hz\n";
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	329 - print "#error \"kernel/timeconst.h has the wrong HZ value!\"\n";
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	330 - print "#endif\n";
605 9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	331 - print "\n";
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	332 -
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	333 - foreach $pfx ('HZ_TO_MSEC','MSEC_TO_HZ',
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	334 - 'HZ_TO_USEC','USEC_TO_HZ') {
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	335 - foreach $bit (32) {
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	336 - foreach $suf ('MUL', 'ADJ', 'SHR') {
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	337 - outputval("${pfx}_$suf$bit", shift(@val));
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	338 - }
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	339 - }
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	340 - foreach $suf ('NUM', 'DEN') {
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	341 - outputval("${pfx}_$suf", shift(@val));
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	342 - }
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	343 - }
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	344 -
311 a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	345 - print "\n";
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	346 - print "#endif /* KERNEL_TIMECONST_H */\n";
605 9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	347 -}
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	348 -
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	349 -# Pretty-print Perl values
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	350 -sub perlvals(@) {
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	351 - my $v;
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	352 - my @l = ();
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	353 -
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	354 - foreach $v (@_) {
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	355 - if (!defined($v)) {
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	356 - push(@l, 'undef');
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	357 - } elsif ($v =~ /^0x/) {
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	358 - push(@l, "\'".$v."\'");
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	359 - } else {
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	360 - push(@l, $v.'');
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	361 - }
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	362 - }
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	363 - return join(',', @l);
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	364 -}
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	365 -
311 a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	366 -($hz) = @ARGV;
605 9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	367 -
311 a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	368 -# Use this to generate the %canned_values structure
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	369 -if ($hz eq '--can') {
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	370 - shift(@ARGV);
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	371 - @hzlist = sort {$a <=> $b} (@ARGV);
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	372 -
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	373 - print "# Precomputed values for systems without Math::BigInt\n";
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	374 - print "# Generated by:\n";
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	375 - print "# timeconst.pl --can ", join(' ', @hzlist), "\n";
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	376 - print "\%canned_values = (\n";
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	377 - my $pf = "\t";
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	378 - foreach $hz (@hzlist) {
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	379 - my @values = compute_values($hz);
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	380 - print "$pf$hz => [\n";
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	381 - while (scalar(@values)) {
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	382 - my $bit;
605 9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	383 - foreach $bit (32) {
311 a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	384 - my $m = shift(@values);
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	385 - my $a = shift(@values);
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	386 - my $s = shift(@values);
605 9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	387 - print "\t\t", perlvals($m,$a,$s), ",\n";
311 a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	388 - }
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	389 - my $n = shift(@values);
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	390 - my $d = shift(@values);
605 9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	391 - print "\t\t", perlvals($n,$d), ",\n";
311 a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	392 - }
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	393 - print "\t]";
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	394 - $pf = ', ';
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	395 - }
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	396 - print "\n);\n";
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	397 -} else {
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	398 - $hz += 0; # Force to number
605 9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	399 - if ($hz < 1) {
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	400 - die "Usage: $0 HZ\n";
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	401 - }
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	402 -
311 a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	403 - @val = @{$canned_values{$hz}};
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	404 - if (!defined(@val)) {
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	405 - @val = compute_values($hz);
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	406 - }
605 9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	407 - output($hz, @val);
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	408 -}
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	409 -exit 0;
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	410 --- /dev/null 2008-11-21 04:46:41.000000000 -0600
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	411 +++ linux-2.6.28-new/kernel/timeconst.sh 2009-01-03 15:24:01.000000000 -0600
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	412 @@ -0,0 +1,147 @@
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	413 +#!/bin/sh
311 a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	414 +
605 9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	415 +if [ $# -ne 2 ]
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	416 +then
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	417 + echo "Usage: timeconst.sh HZ FILENAME"
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	418 + echo
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	419 + echo "Generate a header file with constants for coverting between"
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	420 + echo "decimal HZ timer ticks and milisecond or microsecond delays."
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	421 + echo
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	422 + exit 1
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	423 +fi
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	424 +
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	425 +HZ=$1
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	426 +shift
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	427 +FILENAME=$1
311 a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	428 +
605 9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	429 +# Sanity test: even the shell in Red Hat 9 (circa 2003) supported 64 bit math.
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	430 +
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	431 +if [ $((1 << 32)) -lt 0 ]
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	432 +then
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	433 + echo "timeconst.sh needs a shell with 64 bit math, such as bash,"
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	434 + echo "busybox ash, or dash running on a 64 bit host."
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	435 + exit 1
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	436 +fi
311 a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	437 +
605 9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	438 +# If this script exits for any reason before this trap is removed,
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	439 +# delete the output file so a partial file won't confuse the build.
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	440 +
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	441 +trap "rm $FILENAME" EXIT
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	442 +
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	443 +# Output start of header file
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	444 +
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	445 +cat > $FILENAME << EOF \|\| exit 1
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	446 +/* Automatically generated by kernel/timeconst.sh */
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	447 +/* Conversion constants for HZ == $HZ */
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	448 +
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	449 +#ifndef __KERNEL_TIMECONST_H
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	450 +#define __KERNEL_TIMECONST_H
311 a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	451 +
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	452 +#include <linux/param.h>
605 9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	453 +#include <linux/types.h>
311 a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	454 +
605 9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	455 +#if HZ != $HZ
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	456 +#error "kernel/timeconst.h has the wrong HZ value!"
311 a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	457 +#endif
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	458 +
605 9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	459 +EOF
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	460 +
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	461 +# For both Milliseconds and Microseconds
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	462 +
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	463 +for i in "MSEC 1000" "USEC 1000000"
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	464 +do
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	465 + NAME=$(echo $i \| cut -d ' ' -f 1)
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	466 + PERIOD=$(echo $i \| cut -d ' ' -f 2)
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	467 +
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	468 + # Find greatest common denominator (using Euclid's algorithm)
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	469 +
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	470 + A=$HZ
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	471 + B=$PERIOD
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	472 +
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	473 + while [ $B -ne 0 ]
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	474 + do
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	475 + C=$(( $A % $B ))
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	476 + A=$B
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	477 + B=$C
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	478 + done
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	479 +
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	480 + GCD=$A
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	481 +
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	482 + # Do this for each direction (HZ_TO_PERIOD and PERIOD_TO_HZ)
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	483 +
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	484 + for DIRECTION in 0 1
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	485 + do
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	486 + if [ $DIRECTION -eq 0 ]
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	487 + then
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	488 + CONVERT="HZ_TO_${NAME}"
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	489 + FROM=$HZ
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	490 + TO=$PERIOD
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	491 + else
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	492 + CONVERT="${NAME}_TO_HZ"
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	493 + FROM=$PERIOD
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	494 + TO=$HZ
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	495 + fi
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	496 +
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	497 + # Calculate 32 significant bits of MUL32 data.
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	498 +
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	499 + SHIFT=0
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	500 + while true
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	501 + do
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	502 + # This can't overflow 64 bit math. Pathological case
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	503 + # (TO=1, FROM=1000000) uses around 32+20=52 bits.
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	504 +
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	505 + MUL32=$(( ( ( $TO << $SHIFT ) + $FROM - 1 ) / $FROM ))
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	506 +
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	507 + # Keep increasing $SHIFT until we've got 32 bits.
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	508 +
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	509 + [ $MUL32 -gt $(( 1 << 31 )) ] && break
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	510 + SHIFT=$(( $SHIFT + 1 ))
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	511 + done
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	512 + MUL32=$( printf %x $MUL32 )
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	513 +
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	514 + # ADJ32 is just (((FROM/GCD)-1)<<SHIFT)/(FROM/GCD) but this
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	515 + # can overflow 64 bit math (examples, HZ=24 or HZ=122).
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	516 + # Pathological case could use 32+20+20=72 bits. (And this is
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	517 + # the pathological case because a larger $HZ results in a
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	518 + # smaller $SHIFT, so even insane HZ>USEC cases should be ok.)
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	519 +
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	520 + # To get around this, we chop the bottom 32 bits off the
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	521 + # calculation and then reassemble it to avoid overflow:
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	522 + # 32+64=96, which is > 72.
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	523 +
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	524 + ADJ32=$(( $FROM / $GCD ))
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	525 + if [ $SHIFT -gt 32 ]
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	526 + then
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	527 + UPPER=$(( ( $ADJ32 - 1 ) << ( $SHIFT - 32 ) ))
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	528 + LOWER=$(( ( $UPPER % $ADJ32 ) << 32 ))
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	529 + ADJ32=$(( ( ( $UPPER / $ADJ32 ) << 32 ) + ( $LOWER / $ADJ32 )))
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	530 + else
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	531 + ADJ32=$(( ( ( $ADJ32 - 1 ) << $SHIFT) / $ADJ32 ))
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	532 + fi
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	533 + ADJ32=$( printf %x $ADJ32 )
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	534 +
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	535 + NUM=$(( $TO / $GCD ))
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	536 + DEN=$(( $FROM / $GCD ))
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	537 +
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	538 + # Output next chunk of header data to file
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	539 +
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	540 + (
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	541 + echo "#define ${CONVERT}_MUL32 U64_C(0x$MUL32)" &&
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	542 + echo "#define ${CONVERT}_ADJ32 U64_C(0x$ADJ32)" &&
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	543 + echo "#define ${CONVERT}_SHR32 $SHIFT" &&
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	544 + echo "#define ${CONVERT}_NUM U64_C($NUM)" &&
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	545 + echo "#define ${CONVERT}_DEN U64_C($DEN)"
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	546 + ) >> $FILENAME \|\| exit 1
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	547 + done
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	548 +done
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	549 +
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	550 +(
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	551 + echo
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	552 + echo "#endif /* __KERNEL_TIMECHONST_H */"
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	553 +) >> $FILENAME \|\| exit 1
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	554 +
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	555 +# Don't rm $FILENAME on exit anymore.
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	556 +
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	557 +trap "" EXIT
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	558 +
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	559 +exit 0
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	560 --- linux-2.6.28/kernel/Makefile 2008-12-24 17:26:37.000000000 -0600
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	561 +++ linux-2.6.28-new/kernel/Makefile 2009-01-03 00:40:21.000000000 -0600
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	562 @@ -116,7 +116,7 @@
311 a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	563 $(obj)/time.o: $(obj)/timeconst.h
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	564
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	565 quiet_cmd_timeconst = TIMEC $@
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	566 - cmd_timeconst = $(PERL) $< $(CONFIG_HZ) > $@
605 9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	567 + cmd_timeconst = $(CONFIG_SHELL) $< $(CONFIG_HZ) $@
9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	568 targets += timeconst.h
311 a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	569 -$(obj)/timeconst.h: $(src)/timeconst.pl FORCE
605 9b36b9dbfc4c Upgrade stable to 2.6.28 linux kernel. Rob Landley <rob@landley.net> parents: 311 diff changeset	570 +$(obj)/timeconst.h: $(src)/timeconst.sh FORCE
311 a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel Rob Landley <rob@landley.net> parents: diff changeset	571 $(call if_changed,timeconst)

Mercurial > hg > aboriginal

annotate sources/patches/linux-2.6.25-rc1-noperl.patch @ 680:924527b0b454