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225 | b _memsetb |
225 | b _memsetb |
226 | nop |
226 | nop |
227 | 227 | ||
228 | 228 | ||
229 | .macro WRITE_ALTERNATE_REGISTER reg, bit |
229 | .macro WRITE_ALTERNATE_REGISTER reg, bit |
- | 230 | rdpr %pstate, %g1 ! save PSTATE.PEF |
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230 | wrpr %g0, (\bit | PSTATE_PRIV_BIT), %pstate |
231 | wrpr %g0, (\bit | PSTATE_PRIV_BIT), %pstate |
231 | mov %o0, \reg |
232 | mov %o0, \reg |
232 | retl |
- | |
233 | wrpr %g0, PSTATE_PRIV_BIT, %pstate |
233 | wrpr %g0, PSTATE_PRIV_BIT, %pstate |
- | 234 | retl |
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- | 235 | wrpr %g1, 0, %pstate ! restore PSTATE.PEF |
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234 | .endm |
236 | .endm |
235 | 237 | ||
236 | .macro READ_ALTERNATE_REGISTER reg, bit |
238 | .macro READ_ALTERNATE_REGISTER reg, bit |
- | 239 | rdpr %pstate, %g1 ! save PSTATE.PEF |
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237 | wrpr %g0, (\bit | PSTATE_PRIV_BIT), %pstate |
240 | wrpr %g0, (\bit | PSTATE_PRIV_BIT), %pstate |
238 | mov \reg, %o0 |
241 | mov \reg, %o0 |
239 | retl |
- | |
240 | wrpr %g0, PSTATE_PRIV_BIT, %pstate |
242 | wrpr %g0, PSTATE_PRIV_BIT, %pstate |
- | 243 | retl |
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- | 244 | wrpr %g1, 0, %pstate ! restore PSTATE.PEF |
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241 | .endm |
245 | .endm |
242 | 246 | ||
243 | .global write_to_ag_g6 |
247 | .global write_to_ag_g6 |
244 | write_to_ag_g6: |
248 | write_to_ag_g6: |
245 | WRITE_ALTERNATE_REGISTER %g6, PSTATE_AG_BIT |
249 | WRITE_ALTERNATE_REGISTER %g6, PSTATE_AG_BIT |