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Diffstat (limited to 'arch/sparc64/kernel/trampoline.S')
-rw-r--r--arch/sparc64/kernel/trampoline.S31
1 files changed, 12 insertions, 19 deletions
diff --git a/arch/sparc64/kernel/trampoline.S b/arch/sparc64/kernel/trampoline.S
index 3a145fc39cf2..9478551cb020 100644
--- a/arch/sparc64/kernel/trampoline.S
+++ b/arch/sparc64/kernel/trampoline.S
@@ -119,8 +119,8 @@ startup_continue:
119 sethi %hi(itlb_load), %g2 119 sethi %hi(itlb_load), %g2
120 or %g2, %lo(itlb_load), %g2 120 or %g2, %lo(itlb_load), %g2
121 stx %g2, [%sp + 2047 + 128 + 0x18] 121 stx %g2, [%sp + 2047 + 128 + 0x18]
122 sethi %hi(mmu_ihandle_cache), %g2 122 sethi %hi(prom_mmu_ihandle_cache), %g2
123 lduw [%g2 + %lo(mmu_ihandle_cache)], %g2 123 lduw [%g2 + %lo(prom_mmu_ihandle_cache)], %g2
124 stx %g2, [%sp + 2047 + 128 + 0x20] 124 stx %g2, [%sp + 2047 + 128 + 0x20]
125 sethi %hi(KERNBASE), %g2 125 sethi %hi(KERNBASE), %g2
126 stx %g2, [%sp + 2047 + 128 + 0x28] 126 stx %g2, [%sp + 2047 + 128 + 0x28]
@@ -156,8 +156,8 @@ startup_continue:
156 sethi %hi(itlb_load), %g2 156 sethi %hi(itlb_load), %g2
157 or %g2, %lo(itlb_load), %g2 157 or %g2, %lo(itlb_load), %g2
158 stx %g2, [%sp + 2047 + 128 + 0x18] 158 stx %g2, [%sp + 2047 + 128 + 0x18]
159 sethi %hi(mmu_ihandle_cache), %g2 159 sethi %hi(prom_mmu_ihandle_cache), %g2
160 lduw [%g2 + %lo(mmu_ihandle_cache)], %g2 160 lduw [%g2 + %lo(prom_mmu_ihandle_cache)], %g2
161 stx %g2, [%sp + 2047 + 128 + 0x20] 161 stx %g2, [%sp + 2047 + 128 + 0x20]
162 sethi %hi(KERNBASE + 0x400000), %g2 162 sethi %hi(KERNBASE + 0x400000), %g2
163 stx %g2, [%sp + 2047 + 128 + 0x28] 163 stx %g2, [%sp + 2047 + 128 + 0x28]
@@ -190,8 +190,8 @@ do_dtlb:
190 sethi %hi(dtlb_load), %g2 190 sethi %hi(dtlb_load), %g2
191 or %g2, %lo(dtlb_load), %g2 191 or %g2, %lo(dtlb_load), %g2
192 stx %g2, [%sp + 2047 + 128 + 0x18] 192 stx %g2, [%sp + 2047 + 128 + 0x18]
193 sethi %hi(mmu_ihandle_cache), %g2 193 sethi %hi(prom_mmu_ihandle_cache), %g2
194 lduw [%g2 + %lo(mmu_ihandle_cache)], %g2 194 lduw [%g2 + %lo(prom_mmu_ihandle_cache)], %g2
195 stx %g2, [%sp + 2047 + 128 + 0x20] 195 stx %g2, [%sp + 2047 + 128 + 0x20]
196 sethi %hi(KERNBASE), %g2 196 sethi %hi(KERNBASE), %g2
197 stx %g2, [%sp + 2047 + 128 + 0x28] 197 stx %g2, [%sp + 2047 + 128 + 0x28]
@@ -228,8 +228,8 @@ do_dtlb:
228 sethi %hi(dtlb_load), %g2 228 sethi %hi(dtlb_load), %g2
229 or %g2, %lo(dtlb_load), %g2 229 or %g2, %lo(dtlb_load), %g2
230 stx %g2, [%sp + 2047 + 128 + 0x18] 230 stx %g2, [%sp + 2047 + 128 + 0x18]
231 sethi %hi(mmu_ihandle_cache), %g2 231 sethi %hi(prom_mmu_ihandle_cache), %g2
232 lduw [%g2 + %lo(mmu_ihandle_cache)], %g2 232 lduw [%g2 + %lo(prom_mmu_ihandle_cache)], %g2
233 stx %g2, [%sp + 2047 + 128 + 0x20] 233 stx %g2, [%sp + 2047 + 128 + 0x20]
234 sethi %hi(KERNBASE + 0x400000), %g2 234 sethi %hi(KERNBASE + 0x400000), %g2
235 stx %g2, [%sp + 2047 + 128 + 0x28] 235 stx %g2, [%sp + 2047 + 128 + 0x28]
@@ -336,20 +336,13 @@ do_unlock:
336 call init_irqwork_curcpu 336 call init_irqwork_curcpu
337 nop 337 nop
338 338
339 BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(g2,g3,1f) 339 /* Start using proper page size encodings in ctx register. */
340 ba,pt %xcc, 2f 340 sethi %hi(sparc64_kern_pri_context), %g3
341 nop 341 ldx [%g3 + %lo(sparc64_kern_pri_context)], %g2
342
3431: /* Start using proper page size encodings in ctx register. */
344 sethi %uhi(CTX_CHEETAH_PLUS_NUC), %g3
345 mov PRIMARY_CONTEXT, %g1 342 mov PRIMARY_CONTEXT, %g1
346 sllx %g3, 32, %g3 343 stxa %g2, [%g1] ASI_DMMU
347 sethi %hi(CTX_CHEETAH_PLUS_CTX0), %g2
348 or %g3, %g2, %g3
349 stxa %g3, [%g1] ASI_DMMU
350 membar #Sync 344 membar #Sync
351 345
3522:
353 rdpr %pstate, %o1 346 rdpr %pstate, %o1
354 or %o1, PSTATE_IE, %o1 347 or %o1, PSTATE_IE, %o1
355 wrpr %o1, 0, %pstate 348 wrpr %o1, 0, %pstate