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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/rtrap.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/rtrap.S')
-rw-r--r--arch/sparc64/kernel/rtrap.S23
1 files changed, 2 insertions, 21 deletions
diff --git a/arch/sparc64/kernel/rtrap.S b/arch/sparc64/kernel/rtrap.S
index fafd227735fa..ecfb42a69a44 100644
--- a/arch/sparc64/kernel/rtrap.S
+++ b/arch/sparc64/kernel/rtrap.S
@@ -256,9 +256,8 @@ rt_continue: ldx [%sp + PTREGS_OFF + PT_V9_G1], %g1
brnz,pn %l3, kern_rtt
mov PRIMARY_CONTEXT, %l7
ldxa [%l7 + %l7] ASI_DMMU, %l0
-cplus_rtrap_insn_1:
- sethi %hi(0), %l1
- sllx %l1, 32, %l1
+ sethi %hi(sparc64_kern_pri_nuc_bits), %l1
+ ldx [%l1 + %lo(sparc64_kern_pri_nuc_bits)], %l1
or %l0, %l1, %l0
stxa %l0, [%l7] ASI_DMMU
flush %g6
@@ -345,21 +344,3 @@ kern_fpucheck: ldub [%g6 + TI_FPDEPTH], %l5
wr %g0, FPRS_DU, %fprs
ba,pt %xcc, rt_continue
stb %l5, [%g6 + TI_FPDEPTH]
-
-cplus_rinsn_1:
- sethi %uhi(CTX_CHEETAH_PLUS_NUC), %l1
-
- .globl cheetah_plus_patch_rtrap
-cheetah_plus_patch_rtrap:
- /* We configure the dTLB512_0 for 4MB pages and the
- * dTLB512_1 for 8K pages when in context zero.
- */
- sethi %hi(cplus_rinsn_1), %o0
- sethi %hi(cplus_rtrap_insn_1), %o2
- lduw [%o0 + %lo(cplus_rinsn_1)], %o1
- or %o2, %lo(cplus_rtrap_insn_1), %o2
- stw %o1, [%o2]
- flush %o2
-
- retl
- nop