]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - arch/sparc64/kernel/rtrap.S
[SPARC64]: Consolidate common PCI IOMMU init code.
[linux-2.6-omap-h63xx.git] / arch / sparc64 / kernel / rtrap.S
index fafd227735fa1d13b79f8b97e74aa6b3d81f2715..090dcca00d2a1aa8de184c85b7187c79f9c35cd7 100644 (file)
@@ -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
@@ -313,53 +312,36 @@ kern_fpucheck:    ldub                    [%g6 + TI_FPDEPTH], %l5
                wr                      %g1, FPRS_FEF, %fprs
                ldx                     [%o1 + %o5], %g1
                add                     %g6, TI_XFSR, %o1
-               membar                  #StoreLoad | #LoadLoad
                sll                     %o0, 8, %o2
                add                     %g6, TI_FPREGS, %o3
                brz,pn                  %l6, 1f
                 add                    %g6, TI_FPREGS+0x40, %o4
 
+               membar                  #Sync
                ldda                    [%o3 + %o2] ASI_BLK_P, %f0
                ldda                    [%o4 + %o2] ASI_BLK_P, %f16
+               membar                  #Sync
 1:             andcc                   %l2, FPRS_DU, %g0
                be,pn                   %icc, 1f
                 wr                     %g1, 0, %gsr
                add                     %o2, 0x80, %o2
+               membar                  #Sync
                ldda                    [%o3 + %o2] ASI_BLK_P, %f32
                ldda                    [%o4 + %o2] ASI_BLK_P, %f48
-
 1:             membar                  #Sync
                ldx                     [%o1 + %o5], %fsr
 2:             stb                     %l5, [%g6 + TI_FPDEPTH]
                ba,pt                   %xcc, rt_continue
                 nop
 5:             wr                      %g0, FPRS_FEF, %fprs
-               membar                  #StoreLoad | #LoadLoad
                sll                     %o0, 8, %o2
 
                add                     %g6, TI_FPREGS+0x80, %o3
                add                     %g6, TI_FPREGS+0xc0, %o4
+               membar                  #Sync
                ldda                    [%o3 + %o2] ASI_BLK_P, %f32
                ldda                    [%o4 + %o2] ASI_BLK_P, %f48
                membar                  #Sync
                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