diff options
Diffstat (limited to 'arch/sparc64/kernel/entry.S')
-rw-r--r-- | arch/sparc64/kernel/entry.S | 43 |
1 files changed, 8 insertions, 35 deletions
diff --git a/arch/sparc64/kernel/entry.S b/arch/sparc64/kernel/entry.S index 2879b1072921..f685035dbdb8 100644 --- a/arch/sparc64/kernel/entry.S +++ b/arch/sparc64/kernel/entry.S | |||
@@ -97,8 +97,8 @@ do_fpdis: | |||
97 | faddd %f0, %f2, %f4 | 97 | faddd %f0, %f2, %f4 |
98 | fmuld %f0, %f2, %f6 | 98 | fmuld %f0, %f2, %f6 |
99 | ldxa [%g3] ASI_DMMU, %g5 | 99 | ldxa [%g3] ASI_DMMU, %g5 |
100 | cplus_fptrap_insn_1: | 100 | sethi %hi(sparc64_kern_sec_context), %g2 |
101 | sethi %hi(0), %g2 | 101 | ldx [%g2 + %lo(sparc64_kern_sec_context)], %g2 |
102 | stxa %g2, [%g3] ASI_DMMU | 102 | stxa %g2, [%g3] ASI_DMMU |
103 | membar #Sync | 103 | membar #Sync |
104 | add %g6, TI_FPREGS + 0xc0, %g2 | 104 | add %g6, TI_FPREGS + 0xc0, %g2 |
@@ -126,8 +126,8 @@ cplus_fptrap_insn_1: | |||
126 | fzero %f34 | 126 | fzero %f34 |
127 | ldxa [%g3] ASI_DMMU, %g5 | 127 | ldxa [%g3] ASI_DMMU, %g5 |
128 | add %g6, TI_FPREGS, %g1 | 128 | add %g6, TI_FPREGS, %g1 |
129 | cplus_fptrap_insn_2: | 129 | sethi %hi(sparc64_kern_sec_context), %g2 |
130 | sethi %hi(0), %g2 | 130 | ldx [%g2 + %lo(sparc64_kern_sec_context)], %g2 |
131 | stxa %g2, [%g3] ASI_DMMU | 131 | stxa %g2, [%g3] ASI_DMMU |
132 | membar #Sync | 132 | membar #Sync |
133 | add %g6, TI_FPREGS + 0x40, %g2 | 133 | add %g6, TI_FPREGS + 0x40, %g2 |
@@ -153,8 +153,8 @@ cplus_fptrap_insn_2: | |||
153 | 3: mov SECONDARY_CONTEXT, %g3 | 153 | 3: mov SECONDARY_CONTEXT, %g3 |
154 | add %g6, TI_FPREGS, %g1 | 154 | add %g6, TI_FPREGS, %g1 |
155 | ldxa [%g3] ASI_DMMU, %g5 | 155 | ldxa [%g3] ASI_DMMU, %g5 |
156 | cplus_fptrap_insn_3: | 156 | sethi %hi(sparc64_kern_sec_context), %g2 |
157 | sethi %hi(0), %g2 | 157 | ldx [%g2 + %lo(sparc64_kern_sec_context)], %g2 |
158 | stxa %g2, [%g3] ASI_DMMU | 158 | stxa %g2, [%g3] ASI_DMMU |
159 | membar #Sync | 159 | membar #Sync |
160 | mov 0x40, %g2 | 160 | mov 0x40, %g2 |
@@ -319,8 +319,8 @@ do_fptrap_after_fsr: | |||
319 | stx %g3, [%g6 + TI_GSR] | 319 | stx %g3, [%g6 + TI_GSR] |
320 | mov SECONDARY_CONTEXT, %g3 | 320 | mov SECONDARY_CONTEXT, %g3 |
321 | ldxa [%g3] ASI_DMMU, %g5 | 321 | ldxa [%g3] ASI_DMMU, %g5 |
322 | cplus_fptrap_insn_4: | 322 | sethi %hi(sparc64_kern_sec_context), %g2 |
323 | sethi %hi(0), %g2 | 323 | ldx [%g2 + %lo(sparc64_kern_sec_context)], %g2 |
324 | stxa %g2, [%g3] ASI_DMMU | 324 | stxa %g2, [%g3] ASI_DMMU |
325 | membar #Sync | 325 | membar #Sync |
326 | add %g6, TI_FPREGS, %g2 | 326 | add %g6, TI_FPREGS, %g2 |
@@ -341,33 +341,6 @@ cplus_fptrap_insn_4: | |||
341 | ba,pt %xcc, etrap | 341 | ba,pt %xcc, etrap |
342 | wr %g0, 0, %fprs | 342 | wr %g0, 0, %fprs |
343 | 343 | ||
344 | cplus_fptrap_1: | ||
345 | sethi %hi(CTX_CHEETAH_PLUS_CTX0), %g2 | ||
346 | |||
347 | .globl cheetah_plus_patch_fpdis | ||
348 | cheetah_plus_patch_fpdis: | ||
349 | /* We configure the dTLB512_0 for 4MB pages and the | ||
350 | * dTLB512_1 for 8K pages when in context zero. | ||
351 | */ | ||
352 | sethi %hi(cplus_fptrap_1), %o0 | ||
353 | lduw [%o0 + %lo(cplus_fptrap_1)], %o1 | ||
354 | |||
355 | set cplus_fptrap_insn_1, %o2 | ||
356 | stw %o1, [%o2] | ||
357 | flush %o2 | ||
358 | set cplus_fptrap_insn_2, %o2 | ||
359 | stw %o1, [%o2] | ||
360 | flush %o2 | ||
361 | set cplus_fptrap_insn_3, %o2 | ||
362 | stw %o1, [%o2] | ||
363 | flush %o2 | ||
364 | set cplus_fptrap_insn_4, %o2 | ||
365 | stw %o1, [%o2] | ||
366 | flush %o2 | ||
367 | |||
368 | retl | ||
369 | nop | ||
370 | |||
371 | /* The registers for cross calls will be: | 344 | /* The registers for cross calls will be: |
372 | * | 345 | * |
373 | * DATA 0: [low 32-bits] Address of function to call, jmp to this | 346 | * DATA 0: [low 32-bits] Address of function to call, jmp to this |