Jim Mar writes: > I am using 2.4.18 on a proprietary 8260 board. It appears that > CPU_FTR_HPTE_TABLE is not supported for the 8260(603e). Therefore, > MMU_init_hw in ppc_mmu.c returns without patching create_hpte and > flush_hash_page in hashtable.S or allocating hash memory. > > However, a Data Access Exception(0x300) eventually calls create_hpte, > trashing my memory.
This is fixed in the official 2.4.19 and in the current linuxppc_2_4 and linuxppc_2_4_devel trees. The code that calls hash_page (which calls create_hpte) in the DSI handler is in a feature section, which means it gets overwritten with NOPs if we don't have a hash table. Paul. ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
