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author | David S. Miller <davem@sunset.davemloft.net> | 2006-02-03 00:55:10 -0500 |
---|---|---|
committer | David S. Miller <davem@sunset.davemloft.net> | 2006-03-20 04:11:35 -0500 |
commit | ffe483d55229fadbaf4cc7316d47024a24ecd1a2 (patch) | |
tree | 70bdb6c94d5b3512a7b2a3ff06979ac2e4e869bf /arch/sparc64/kernel/winfixup.S | |
parent | 92704a1c63c3b481870d02636d0b5a70c7e21cd1 (diff) |
[SPARC64]: Add explicit register args to trap state loading macros.
This, as well as making the code cleaner, allows a simplification in
the TSB miss handling path.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/kernel/winfixup.S')
-rw-r--r-- | arch/sparc64/kernel/winfixup.S | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/arch/sparc64/kernel/winfixup.S b/arch/sparc64/kernel/winfixup.S index 320a762d0519..211021ae6e8a 100644 --- a/arch/sparc64/kernel/winfixup.S +++ b/arch/sparc64/kernel/winfixup.S | |||
@@ -40,7 +40,7 @@ set_pcontext: | |||
40 | */ | 40 | */ |
41 | .globl fill_fixup, spill_fixup | 41 | .globl fill_fixup, spill_fixup |
42 | fill_fixup: | 42 | fill_fixup: |
43 | TRAP_LOAD_THREAD_REG | 43 | TRAP_LOAD_THREAD_REG(%g6, %g1) |
44 | rdpr %tstate, %g1 | 44 | rdpr %tstate, %g1 |
45 | andcc %g1, TSTATE_PRIV, %g0 | 45 | andcc %g1, TSTATE_PRIV, %g0 |
46 | or %g4, FAULT_CODE_WINFIXUP, %g4 | 46 | or %g4, FAULT_CODE_WINFIXUP, %g4 |
@@ -86,7 +86,7 @@ fill_fixup: | |||
86 | wrpr %l1, (PSTATE_IE | PSTATE_AG | PSTATE_RMO), %pstate | 86 | wrpr %l1, (PSTATE_IE | PSTATE_AG | PSTATE_RMO), %pstate |
87 | mov %o7, %g6 | 87 | mov %o7, %g6 |
88 | ldx [%g6 + TI_TASK], %g4 | 88 | ldx [%g6 + TI_TASK], %g4 |
89 | LOAD_PER_CPU_BASE(%g1, %g2, %g3) | 89 | LOAD_PER_CPU_BASE(%g5, %g6, %g1, %g2, %g3) |
90 | 90 | ||
91 | /* This is the same as below, except we handle this a bit special | 91 | /* This is the same as below, except we handle this a bit special |
92 | * since we must preserve %l5 and %l6, see comment above. | 92 | * since we must preserve %l5 and %l6, see comment above. |
@@ -105,7 +105,7 @@ fill_fixup: | |||
105 | * do not touch %g7 or %g2 so we handle the two cases fine. | 105 | * do not touch %g7 or %g2 so we handle the two cases fine. |
106 | */ | 106 | */ |
107 | spill_fixup: | 107 | spill_fixup: |
108 | TRAP_LOAD_THREAD_REG | 108 | TRAP_LOAD_THREAD_REG(%g6, %g1) |
109 | ldx [%g6 + TI_FLAGS], %g1 | 109 | ldx [%g6 + TI_FLAGS], %g1 |
110 | andcc %g1, _TIF_32BIT, %g0 | 110 | andcc %g1, _TIF_32BIT, %g0 |
111 | ldub [%g6 + TI_WSAVED], %g1 | 111 | ldub [%g6 + TI_WSAVED], %g1 |
@@ -181,7 +181,7 @@ winfix_mna: | |||
181 | wrpr %g3, %tnpc | 181 | wrpr %g3, %tnpc |
182 | done | 182 | done |
183 | fill_fixup_mna: | 183 | fill_fixup_mna: |
184 | TRAP_LOAD_THREAD_REG | 184 | TRAP_LOAD_THREAD_REG(%g6, %g1) |
185 | rdpr %tstate, %g1 | 185 | rdpr %tstate, %g1 |
186 | andcc %g1, TSTATE_PRIV, %g0 | 186 | andcc %g1, TSTATE_PRIV, %g0 |
187 | be,pt %xcc, window_mna_from_user_common | 187 | be,pt %xcc, window_mna_from_user_common |
@@ -209,14 +209,14 @@ fill_fixup_mna: | |||
209 | wrpr %l1, (PSTATE_IE | PSTATE_AG | PSTATE_RMO), %pstate | 209 | wrpr %l1, (PSTATE_IE | PSTATE_AG | PSTATE_RMO), %pstate |
210 | mov %o7, %g6 ! Get current back. | 210 | mov %o7, %g6 ! Get current back. |
211 | ldx [%g6 + TI_TASK], %g4 ! Finish it. | 211 | ldx [%g6 + TI_TASK], %g4 ! Finish it. |
212 | LOAD_PER_CPU_BASE(%g1, %g2, %g3) | 212 | LOAD_PER_CPU_BASE(%g5, %g6, %g1, %g2, %g3) |
213 | call mem_address_unaligned | 213 | call mem_address_unaligned |
214 | add %sp, PTREGS_OFF, %o0 | 214 | add %sp, PTREGS_OFF, %o0 |
215 | 215 | ||
216 | b,pt %xcc, rtrap | 216 | b,pt %xcc, rtrap |
217 | nop ! yes, the nop is correct | 217 | nop ! yes, the nop is correct |
218 | spill_fixup_mna: | 218 | spill_fixup_mna: |
219 | TRAP_LOAD_THREAD_REG | 219 | TRAP_LOAD_THREAD_REG(%g6, %g1) |
220 | ldx [%g6 + TI_FLAGS], %g1 | 220 | ldx [%g6 + TI_FLAGS], %g1 |
221 | andcc %g1, _TIF_32BIT, %g0 | 221 | andcc %g1, _TIF_32BIT, %g0 |
222 | ldub [%g6 + TI_WSAVED], %g1 | 222 | ldub [%g6 + TI_WSAVED], %g1 |
@@ -284,7 +284,7 @@ winfix_dax: | |||
284 | wrpr %g3, %tnpc | 284 | wrpr %g3, %tnpc |
285 | done | 285 | done |
286 | fill_fixup_dax: | 286 | fill_fixup_dax: |
287 | TRAP_LOAD_THREAD_REG | 287 | TRAP_LOAD_THREAD_REG(%g6, %g1) |
288 | rdpr %tstate, %g1 | 288 | rdpr %tstate, %g1 |
289 | andcc %g1, TSTATE_PRIV, %g0 | 289 | andcc %g1, TSTATE_PRIV, %g0 |
290 | be,pt %xcc, window_dax_from_user_common | 290 | be,pt %xcc, window_dax_from_user_common |
@@ -312,14 +312,14 @@ fill_fixup_dax: | |||
312 | wrpr %l1, (PSTATE_IE | PSTATE_AG | PSTATE_RMO), %pstate | 312 | wrpr %l1, (PSTATE_IE | PSTATE_AG | PSTATE_RMO), %pstate |
313 | mov %o7, %g6 ! Get current back. | 313 | mov %o7, %g6 ! Get current back. |
314 | ldx [%g6 + TI_TASK], %g4 ! Finish it. | 314 | ldx [%g6 + TI_TASK], %g4 ! Finish it. |
315 | LOAD_PER_CPU_BASE(%g1, %g2, %g3) | 315 | LOAD_PER_CPU_BASE(%g5, %g6, %g1, %g2, %g3) |
316 | call spitfire_data_access_exception | 316 | call spitfire_data_access_exception |
317 | add %sp, PTREGS_OFF, %o0 | 317 | add %sp, PTREGS_OFF, %o0 |
318 | 318 | ||
319 | b,pt %xcc, rtrap | 319 | b,pt %xcc, rtrap |
320 | nop ! yes, the nop is correct | 320 | nop ! yes, the nop is correct |
321 | spill_fixup_dax: | 321 | spill_fixup_dax: |
322 | TRAP_LOAD_THREAD_REG | 322 | TRAP_LOAD_THREAD_REG(%g6, %g1) |
323 | ldx [%g6 + TI_FLAGS], %g1 | 323 | ldx [%g6 + TI_FLAGS], %g1 |
324 | andcc %g1, _TIF_32BIT, %g0 | 324 | andcc %g1, _TIF_32BIT, %g0 |
325 | ldub [%g6 + TI_WSAVED], %g1 | 325 | ldub [%g6 + TI_WSAVED], %g1 |