[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>

1 files changed, 4 insertions, 47 deletions

diff --git a/arch/sparc64/kernel/etrap.S b/arch/sparc64/kernel/etrap.S
index 50d2af1d98ae..0d8eba21111b 100644
--- a/arch/sparc64/kernel/etrap.S
+++ b/arch/sparc64/kernel/etrap.S
@@ -68,12 +68,8 @@ etrap_irq:
 
                 wrpr    %g3, 0, %otherwin
                 wrpr    %g2, 0, %wstate
-cplus_etrap_insn_1:
-                sethi   %hi(0), %g3
-                sllx    %g3, 32, %g3
-cplus_etrap_insn_2:
-                sethi   %hi(0), %g2
-                or      %g3, %g2, %g3
+                sethi   %hi(sparc64_kern_pri_context), %g2
+                ldx     [%g2 + %lo(sparc64_kern_pri_context)], %g3
                 stxa    %g3, [%l4] ASI_DMMU
                 flush   %l6
                 wr      %g0, ASI_AIUS, %asi
@@ -215,12 +211,8 @@ scetrap:	rdpr	%pil, %g2
                 mov     PRIMARY_CONTEXT, %l4
                 wrpr    %g3, 0, %otherwin
                 wrpr    %g2, 0, %wstate
-cplus_etrap_insn_3:
-                sethi   %hi(0), %g3
-                sllx    %g3, 32, %g3
-cplus_etrap_insn_4:
-                sethi   %hi(0), %g2
-                or      %g3, %g2, %g3
+                sethi   %hi(sparc64_kern_pri_context), %g2
+                ldx     [%g2 + %lo(sparc64_kern_pri_context)], %g3
                 stxa    %g3, [%l4] ASI_DMMU
                 flush   %l6
 
@@ -264,38 +256,3 @@ cplus_etrap_insn_4:
 
 #undef TASK_REGOFF
 #undef ETRAP_PSTATE1
-
-cplus_einsn_1:
-                sethi                   %uhi(CTX_CHEETAH_PLUS_NUC), %g3
-cplus_einsn_2:
-                sethi                   %hi(CTX_CHEETAH_PLUS_CTX0), %g2
-
-                .globl                  cheetah_plus_patch_etrap
-cheetah_plus_patch_etrap:
-                /* We configure the dTLB512_0 for 4MB pages and the
-                 * dTLB512_1 for 8K pages when in context zero.
-                 */
-                sethi                   %hi(cplus_einsn_1), %o0
-                sethi                   %hi(cplus_etrap_insn_1), %o2
-                lduw                    [%o0 + %lo(cplus_einsn_1)], %o1
-                or                      %o2, %lo(cplus_etrap_insn_1), %o2
-                stw                     %o1, [%o2]
-                flush                   %o2
-                sethi                   %hi(cplus_etrap_insn_3), %o2
-                or                      %o2, %lo(cplus_etrap_insn_3), %o2
-                stw                     %o1, [%o2]
-                flush                   %o2
-
-                sethi                   %hi(cplus_einsn_2), %o0
-                sethi                   %hi(cplus_etrap_insn_2), %o2
-                lduw                    [%o0 + %lo(cplus_einsn_2)], %o1
-                or                      %o2, %lo(cplus_etrap_insn_2), %o2
-                stw                     %o1, [%o2]
-                flush                   %o2
-                sethi                   %hi(cplus_etrap_insn_4), %o2
-                or                      %o2, %lo(cplus_etrap_insn_4), %o2
-                stw                     %o1, [%o2]
-                flush                   %o2
-
-                retl
-                 nop