Re: lug-bg: About Crusoe

[danchev@email.domain.hidden (George Danchev)]

On 04 05 2003 20:14,  wrote:
<em class="quotelev1">> Priwet grupa.
<em class="quotelev1">> Ot otdawna ne sym se wklu4wam wyw foruma no doide i tozi momen.
<em class="quotelev1">> Mislyta mi e..
<em class="quotelev1">> DAli nqkoi ot was pozlwa Notebook s procesor Crusoe. Nezawisimo koi model.
<em class="quotelev1">> Interesuwat me ws4iko koeto bi spodelil (proizwoditelnost baterii ). KAk se
<em class="quotelev1">> dyrjat, kak se konfigurira pocesora, ako wyobshte ima nqkakwa konfiguraciq.
<em class="quotelev1">> Ot saitowe koito sym 4el se kazwa 4e towa e 128 bit procesor.
<em class="quotelev1">> http://www4.tomshardware.com/mobile/20010215/sony_C1VE-01.html
<em class="quotelev1">> http://www.desknote.net/a907_spec.html
<em class="quotelev1">> Wyobshte ne mojah da namerq informaciq za towa kak da se raboti pod linux s
<em class="quotelev1">> takyw procesor.
<em class="quotelev1">> Ako mojete pomognete.
<em class="quotelev1">> Mislq 4e shte wi zainteresuwa temata.
<em class="quotelev1">> Blagodarq predwaritelno.

Nqmam opit s Notebooks equipted s CPU Crusoe, no tova koeto tyrsish 
(informaciq za towa kak da se raboti pod linux s takyw procesor.) ti si go 
nameril ;-). Kakto vizhdash na shemata Crusoe e (ili po skoro emulira) 
dobrata, stara, evtina, i bavno, no sigurno umirasta  x86 (ili IBM PC) 
architecture. Samo 4e za razlika ot Intel i AMD x86 CPU,  Crusoe e grubo 
kazano "razdelen" na hardware i software layers, taka 4e vtoriq da mozhe da 
se upgrade-va vposledstvie. VLIW = "very long instriction word" ( kakto 
pishe) sa do 4etiri, qvno po 128bita , t.e. Reduced Instruction Set Computer 
ili procesor sys sykraten nabor ot instrukcii (RISC), oba4e v krajna smetka 
kernel-a na OS-a i prilozheniqta ne usestat tova, za tqh si e 32-bitovo x86 
cpu nezavisimo kakvo stava ili se emulira (s code morphing) otdolu pod 
BIOS-a. Taka 4e vseki Linux compiled za i386 ste ba4ka na Crusoe, analogi4no 
kato na Athlon ili Pentium. Osven tova mozhe da optimizirash kernel-a 
specialno i za  Crusoe CPU (make menuconfig, Processor type and features, see 
Crusoe). 

S dve dumi predimstvata na Crusoe pred drugite x86 CPU sa niska komsumaciq i 
eventualen upgrade na software-nata 4ast (edva li ne po soft path se sdobivash 
s novo cpu;-), ili tova e (interesen) opit da se 
udulzhi zhivota na umirastata v myki x86 (sbirotak;-) arch kato se polzvat OS 
kernels i rabotestite do sega na neq prilozheniq nagotovo. 

Wait for IA-64 (na Intel, pyrvi procesor Itanium)  and x86-64 (na AMD, pyrvi 
procesor Opteron) ... te oba4e sa otdelni architekturi i ne sa syvmestimi 
taka kakto sa 32-bitovite Athlon i Pentium. 

Ta vsqka distro za i386 ste se instalira i raboti na machine s Crusoe CPU. 
Posle ste optimizirash/rebuild i kernel-a da e specialno za Crusoe. Tova 
mislq 4e e qsno ;-) 

Za current i future support na IA-64 i x86-64 v Linux kernel, glibc, gcc 
mozhesh da blagodarish na Intel, HP i Debian kato devel i testova platforma 
(za IA-64) ; AMD,  Suse, Red Hat, MDK za devel i test na x86-64 development i 
patches i t.n. Poslednite tri izkaraha alfa versions na tehnite distros za 
x86-64, v Debian Unstable se poddyrzha port za IA-64. Ostava mozhe bi nqkoj 
user-space prilozheniq da se iz4istqt taka stoto da sa 64-bit clean i 
eventualno ako imat nqkakvi Big/Little Endianism issues, ako gi byrka.

Razbirash li na kyde dufa vetyra ;-) ... Ostava da vidim kolko ot skypite 
architectures kato Sparc, HP PA RISC, i t.n. ( Alpha ve4e e dead) ste zalqzat 
pokraj borbata muzhdu IA-64 i x86-64. 

Hau.

-- 
pub  4096R/0E4BD0AB 2003-03-18
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