In message <002901c2061c$1d564840$7301a8c0 at zhongqx> you wrote: > > I use ppcboot to booting linux ,but linux cann't go on when malloc some > memory.My board is FADS860T, > it has 4M DRAM(in physical 0---3fffff) and 4M SDRAM(in physical address is > 03000000-033fffff),when ppcboot > run up,i use bdi command find it tell me total memory is 8M which is from 0 > to 7fffff.i think ppcboot maped > two memory block into one continuous memory block(are i right?).when ppcboot > boot linux it pass bdi to linux, > so i don't know whether linux kernel understand the memory 0---7fffff is > actualy two memory block which > is 0----3fffff and 03000000 -033fffff.who can tell me how to understand > this.sorry for my bad english.thank
The Linux boot messages contain information about how much memory it found; search for a line like this: ... Memory: 62604k available (1164k kernel code, 540k data, 52k init, 0k highmem) ... Wolfgang Denk -- Software Engineering: Embedded and Realtime Systems, Embedded Linux Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Email: wd at denx.de "There are three principal ways to lose money: wine, women, and engi- neers. While the first two are more pleasant, the third is by far the more certain." - Baron Rothschild, ca. 1800 ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/