Changeset a0d74fd in mainline for arch/ia64/src/start.S

Timestamp:

2006-03-01T11:07:04Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

9ad03fe

Parents:

2c49fbbe

Message:

ia64 work.
Provide PA2KA(identity) mapping for kernel data references via Alternate Data TLB Fault handler.
Add before_thread_runs_arch() that maps kstack, if necessary.
Add easy to use dtlb_mapping_insert() for comfortable insertion of kernel data mappings.

File:

• arch/ia64/src/start.S (modified) (1 diff)

arch/ia64/src/start.S

@@ -53 +53 @@
         movl r10=(RR_MASK)
         and r9=r10,r9
-        movl r10=((ASID2RID(ASID_KERNEL,VRN_KERNEL)<<RID_SHIFT)|(KERNEL_PAGE_WIDTH<<PS_SHIFT))
+        movl r10=((RID_KERNEL<<RID_SHIFT)|(KERNEL_PAGE_WIDTH<<PS_SHIFT))
         or  r9=r10,r9
         mov rr[r8]=r9