summaryrefslogtreecommitdiff
path: root/arch/sparc64/kernel/head.S
diff options
context:
space:
mode:
authorDavid S. Miller <davem@sunset.davemloft.net>2005-10-04 15:23:20 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2005-10-04 15:23:20 -0700
commit0835ae0f27c0bfde67613d189ef6c537e004a6de (patch)
treead5cad209eeb11bd1bf49a3b5cffa49618c717c8 /arch/sparc64/kernel/head.S
parentdd7205ed0f022a2a5e60eb7404e6c9f49d2301c3 (diff)
[SPARC64]: Replace cheetah+ code patching with variables.
Instead of code patching to handle the page size fields in the context registers, just use variables from which we get the proper values. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/kernel/head.S')
-rw-r--r--arch/sparc64/kernel/head.S33
1 files changed, 5 insertions, 28 deletions
diff --git a/arch/sparc64/kernel/head.S b/arch/sparc64/kernel/head.S
index 89406f9649a9..24340496cdd3 100644
--- a/arch/sparc64/kernel/head.S
+++ b/arch/sparc64/kernel/head.S
@@ -325,23 +325,7 @@ cheetah_tlb_fixup:
1: sethi %hi(tlb_type), %g1
stw %g2, [%g1 + %lo(tlb_type)]
- BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(g1,g7,1f)
- ba,pt %xcc, 2f
- nop
-
-1: /* Patch context register writes to support nucleus page
- * size correctly.
- */
- call cheetah_plus_patch_etrap
- nop
- call cheetah_plus_patch_rtrap
- nop
- call cheetah_plus_patch_fpdis
- nop
- call cheetah_plus_patch_winfixup
- nop
-
-2: /* Patch copy/page operations to cheetah optimized versions. */
+ /* Patch copy/page operations to cheetah optimized versions. */
call cheetah_patch_copyops
nop
call cheetah_patch_copy_page
@@ -484,20 +468,13 @@ spitfire_vpte_base:
call prom_set_trap_table
sethi %hi(sparc64_ttable_tl0), %o0
- BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(g2,g3,1f)
- ba,pt %xcc, 2f
- nop
-
-1: /* Start using proper page size encodings in ctx register. */
- sethi %uhi(CTX_CHEETAH_PLUS_NUC), %g3
+ /* Start using proper page size encodings in ctx register. */
+ sethi %hi(sparc64_kern_pri_context), %g3
+ ldx [%g3 + %lo(sparc64_kern_pri_context)], %g2
mov PRIMARY_CONTEXT, %g1
- sllx %g3, 32, %g3
- sethi %hi(CTX_CHEETAH_PLUS_CTX0), %g2
- or %g3, %g2, %g3
- stxa %g3, [%g1] ASI_DMMU
+ stxa %g2, [%g1] ASI_DMMU
membar #Sync
-2:
rdpr %pstate, %o1
or %o1, PSTATE_IE, %o1
wrpr %o1, 0, %pstate