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@@ -927,139 +927,6 @@ __spitfire_insn_access_exception:
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ba,pt %xcc, rtrap
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clr %l6
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- /* Capture I/D/E-cache state into per-cpu error scoreboard.
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- *
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- * %g1: (TL>=0) ? 1 : 0
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- * %g2: scratch
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- * %g3: scratch
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- * %g4: AFSR
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- * %g5: AFAR
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- * %g6: current thread ptr
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- * %g7: scratch
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- */
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-#define CHEETAH_LOG_ERROR \
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- /* Put "TL1" software bit into AFSR. */ \
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- and %g1, 0x1, %g1; \
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- sllx %g1, 63, %g2; \
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- or %g4, %g2, %g4; \
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- /* Get log entry pointer for this cpu at this trap level. */ \
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- BRANCH_IF_JALAPENO(g2,g3,50f) \
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- ldxa [%g0] ASI_SAFARI_CONFIG, %g2; \
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- srlx %g2, 17, %g2; \
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- ba,pt %xcc, 60f; \
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- and %g2, 0x3ff, %g2; \
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-50: ldxa [%g0] ASI_JBUS_CONFIG, %g2; \
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- srlx %g2, 17, %g2; \
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- and %g2, 0x1f, %g2; \
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-60: sllx %g2, 9, %g2; \
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- sethi %hi(cheetah_error_log), %g3; \
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- ldx [%g3 + %lo(cheetah_error_log)], %g3; \
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- brz,pn %g3, 80f; \
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- nop; \
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- add %g3, %g2, %g3; \
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- sllx %g1, 8, %g1; \
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- add %g3, %g1, %g1; \
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- /* %g1 holds pointer to the top of the logging scoreboard */ \
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- ldx [%g1 + 0x0], %g7; \
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- cmp %g7, -1; \
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- bne,pn %xcc, 80f; \
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- nop; \
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- stx %g4, [%g1 + 0x0]; \
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- stx %g5, [%g1 + 0x8]; \
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- add %g1, 0x10, %g1; \
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- /* %g1 now points to D-cache logging area */ \
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- set 0x3ff8, %g2; /* DC_addr mask */ \
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- and %g5, %g2, %g2; /* DC_addr bits of AFAR */ \
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- srlx %g5, 12, %g3; \
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- or %g3, 1, %g3; /* PHYS tag + valid */ \
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-10: ldxa [%g2] ASI_DCACHE_TAG, %g7; \
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- cmp %g3, %g7; /* TAG match? */ \
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- bne,pt %xcc, 13f; \
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- nop; \
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- /* Yep, what we want, capture state. */ \
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- stx %g2, [%g1 + 0x20]; \
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- stx %g7, [%g1 + 0x28]; \
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- /* A membar Sync is required before and after utag access. */ \
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- membar #Sync; \
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- ldxa [%g2] ASI_DCACHE_UTAG, %g7; \
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- membar #Sync; \
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- stx %g7, [%g1 + 0x30]; \
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- ldxa [%g2] ASI_DCACHE_SNOOP_TAG, %g7; \
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- stx %g7, [%g1 + 0x38]; \
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- clr %g3; \
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-12: ldxa [%g2 + %g3] ASI_DCACHE_DATA, %g7; \
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- stx %g7, [%g1]; \
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- add %g3, (1 << 5), %g3; \
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- cmp %g3, (4 << 5); \
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- bl,pt %xcc, 12b; \
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- add %g1, 0x8, %g1; \
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- ba,pt %xcc, 20f; \
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- add %g1, 0x20, %g1; \
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-13: sethi %hi(1 << 14), %g7; \
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- add %g2, %g7, %g2; \
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- srlx %g2, 14, %g7; \
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- cmp %g7, 4; \
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- bl,pt %xcc, 10b; \
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- nop; \
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- add %g1, 0x40, %g1; \
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-20: /* %g1 now points to I-cache logging area */ \
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- set 0x1fe0, %g2; /* IC_addr mask */ \
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- and %g5, %g2, %g2; /* IC_addr bits of AFAR */ \
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- sllx %g2, 1, %g2; /* IC_addr[13:6]==VA[12:5] */ \
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- srlx %g5, (13 - 8), %g3; /* Make PTAG */ \
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- andn %g3, 0xff, %g3; /* Mask off undefined bits */ \
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-21: ldxa [%g2] ASI_IC_TAG, %g7; \
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- andn %g7, 0xff, %g7; \
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- cmp %g3, %g7; \
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- bne,pt %xcc, 23f; \
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- nop; \
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- /* Yep, what we want, capture state. */ \
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- stx %g2, [%g1 + 0x40]; \
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- stx %g7, [%g1 + 0x48]; \
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- add %g2, (1 << 3), %g2; \
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- ldxa [%g2] ASI_IC_TAG, %g7; \
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- add %g2, (1 << 3), %g2; \
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- stx %g7, [%g1 + 0x50]; \
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- ldxa [%g2] ASI_IC_TAG, %g7; \
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- add %g2, (1 << 3), %g2; \
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- stx %g7, [%g1 + 0x60]; \
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- ldxa [%g2] ASI_IC_TAG, %g7; \
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- stx %g7, [%g1 + 0x68]; \
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- sub %g2, (3 << 3), %g2; \
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- ldxa [%g2] ASI_IC_STAG, %g7; \
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- stx %g7, [%g1 + 0x58]; \
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- clr %g3; \
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- srlx %g2, 2, %g2; \
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-22: ldxa [%g2 + %g3] ASI_IC_INSTR, %g7; \
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- stx %g7, [%g1]; \
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- add %g3, (1 << 3), %g3; \
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- cmp %g3, (8 << 3); \
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- bl,pt %xcc, 22b; \
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- add %g1, 0x8, %g1; \
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- ba,pt %xcc, 30f; \
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- add %g1, 0x30, %g1; \
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-23: sethi %hi(1 << 14), %g7; \
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- add %g2, %g7, %g2; \
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- srlx %g2, 14, %g7; \
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- cmp %g7, 4; \
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- bl,pt %xcc, 21b; \
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- nop; \
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- add %g1, 0x70, %g1; \
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-30: /* %g1 now points to E-cache logging area */ \
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- andn %g5, (32 - 1), %g2; /* E-cache subblock */ \
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- stx %g2, [%g1 + 0x20]; \
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- ldxa [%g2] ASI_EC_TAG_DATA, %g7; \
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- stx %g7, [%g1 + 0x28]; \
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- ldxa [%g2] ASI_EC_R, %g0; \
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- clr %g3; \
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-31: ldxa [%g3] ASI_EC_DATA, %g7; \
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- stx %g7, [%g1 + %g3]; \
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- add %g3, 0x8, %g3; \
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- cmp %g3, 0x20; \
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- bl,pt %xcc, 31b; \
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- nop; \
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-80: /* DONE */
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-
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/* These get patched into the trap table at boot time
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* once we know we have a cheetah processor.
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*/
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@@ -1296,6 +1163,170 @@ dcpe_icpe_tl1_common:
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membar #Sync
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retry
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+ /* Capture I/D/E-cache state into per-cpu error scoreboard.
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+ *
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+ * %g1: (TL>=0) ? 1 : 0
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+ * %g2: scratch
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+ * %g3: scratch
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+ * %g4: AFSR
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+ * %g5: AFAR
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+ * %g6: current thread ptr
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+ * %g7: scratch
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+ */
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+__cheetah_log_error:
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+ /* Put "TL1" software bit into AFSR. */
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+ and %g1, 0x1, %g1
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+ sllx %g1, 63, %g2
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+ or %g4, %g2, %g4
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+
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+ /* Get log entry pointer for this cpu at this trap level. */
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+ BRANCH_IF_JALAPENO(g2,g3,50f)
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+ ldxa [%g0] ASI_SAFARI_CONFIG, %g2
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+ srlx %g2, 17, %g2
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+ ba,pt %xcc, 60f
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+ and %g2, 0x3ff, %g2
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+
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+50: ldxa [%g0] ASI_JBUS_CONFIG, %g2
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+ srlx %g2, 17, %g2
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+ and %g2, 0x1f, %g2
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+
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+60: sllx %g2, 9, %g2
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+ sethi %hi(cheetah_error_log), %g3
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+ ldx [%g3 + %lo(cheetah_error_log)], %g3
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+ brz,pn %g3, 80f
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+ nop
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+
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+ add %g3, %g2, %g3
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+ sllx %g1, 8, %g1
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+ add %g3, %g1, %g1
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+
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+ /* %g1 holds pointer to the top of the logging scoreboard */
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+ ldx [%g1 + 0x0], %g7
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+ cmp %g7, -1
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+ bne,pn %xcc, 80f
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+ nop
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+
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+ stx %g4, [%g1 + 0x0]
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+ stx %g5, [%g1 + 0x8]
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+ add %g1, 0x10, %g1
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+
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+ /* %g1 now points to D-cache logging area */
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+ set 0x3ff8, %g2 /* DC_addr mask */
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+ and %g5, %g2, %g2 /* DC_addr bits of AFAR */
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+ srlx %g5, 12, %g3
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+ or %g3, 1, %g3 /* PHYS tag + valid */
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+
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+10: ldxa [%g2] ASI_DCACHE_TAG, %g7
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+ cmp %g3, %g7 /* TAG match? */
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+ bne,pt %xcc, 13f
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+ nop
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+
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+ /* Yep, what we want, capture state. */
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+ stx %g2, [%g1 + 0x20]
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+ stx %g7, [%g1 + 0x28]
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+
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+ /* A membar Sync is required before and after utag access. */
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+ membar #Sync
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+ ldxa [%g2] ASI_DCACHE_UTAG, %g7
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+ membar #Sync
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+ stx %g7, [%g1 + 0x30]
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+ ldxa [%g2] ASI_DCACHE_SNOOP_TAG, %g7
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+ stx %g7, [%g1 + 0x38]
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+ clr %g3
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+
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+12: ldxa [%g2 + %g3] ASI_DCACHE_DATA, %g7
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+ stx %g7, [%g1]
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+ add %g3, (1 << 5), %g3
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+ cmp %g3, (4 << 5)
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+ bl,pt %xcc, 12b
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+ add %g1, 0x8, %g1
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+
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+ ba,pt %xcc, 20f
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+ add %g1, 0x20, %g1
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+
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+13: sethi %hi(1 << 14), %g7
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+ add %g2, %g7, %g2
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+ srlx %g2, 14, %g7
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+ cmp %g7, 4
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+ bl,pt %xcc, 10b
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+ nop
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+
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+ add %g1, 0x40, %g1
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+
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+ /* %g1 now points to I-cache logging area */
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+20: set 0x1fe0, %g2 /* IC_addr mask */
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+ and %g5, %g2, %g2 /* IC_addr bits of AFAR */
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+ sllx %g2, 1, %g2 /* IC_addr[13:6]==VA[12:5] */
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+ srlx %g5, (13 - 8), %g3 /* Make PTAG */
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+ andn %g3, 0xff, %g3 /* Mask off undefined bits */
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+
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+21: ldxa [%g2] ASI_IC_TAG, %g7
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+ andn %g7, 0xff, %g7
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+ cmp %g3, %g7
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+ bne,pt %xcc, 23f
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+ nop
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+
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+ /* Yep, what we want, capture state. */
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+ stx %g2, [%g1 + 0x40]
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+ stx %g7, [%g1 + 0x48]
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+ add %g2, (1 << 3), %g2
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+ ldxa [%g2] ASI_IC_TAG, %g7
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+ add %g2, (1 << 3), %g2
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+ stx %g7, [%g1 + 0x50]
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+ ldxa [%g2] ASI_IC_TAG, %g7
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+ add %g2, (1 << 3), %g2
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+ stx %g7, [%g1 + 0x60]
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+ ldxa [%g2] ASI_IC_TAG, %g7
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+ stx %g7, [%g1 + 0x68]
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+ sub %g2, (3 << 3), %g2
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+ ldxa [%g2] ASI_IC_STAG, %g7
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+ stx %g7, [%g1 + 0x58]
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+ clr %g3
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+ srlx %g2, 2, %g2
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+
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+22: ldxa [%g2 + %g3] ASI_IC_INSTR, %g7
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+ stx %g7, [%g1]
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+ add %g3, (1 << 3), %g3
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+ cmp %g3, (8 << 3)
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+ bl,pt %xcc, 22b
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+ add %g1, 0x8, %g1
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+
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+ ba,pt %xcc, 30f
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+ add %g1, 0x30, %g1
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+
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+23: sethi %hi(1 << 14), %g7
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+ add %g2, %g7, %g2
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+ srlx %g2, 14, %g7
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+ cmp %g7, 4
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+ bl,pt %xcc, 21b
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+ nop
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+
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+ add %g1, 0x70, %g1
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+
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+ /* %g1 now points to E-cache logging area */
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+30: andn %g5, (32 - 1), %g2
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+ stx %g2, [%g1 + 0x20]
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+ ldxa [%g2] ASI_EC_TAG_DATA, %g7
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+ stx %g7, [%g1 + 0x28]
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+ ldxa [%g2] ASI_EC_R, %g0
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+ clr %g3
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+
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+31: ldxa [%g3] ASI_EC_DATA, %g7
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+ stx %g7, [%g1 + %g3]
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+ add %g3, 0x8, %g3
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+ cmp %g3, 0x20
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+
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+ bl,pt %xcc, 31b
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+ nop
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+80:
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+ rdpr %tt, %g2
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+ cmp %g2, 0x70
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+ be c_fast_ecc
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+ cmp %g2, 0x63
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+ be c_cee
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+ nop
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+ ba,pt %xcc, c_deferred
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+
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/* Cheetah FECC trap handling, we get here from tl{0,1}_fecc
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* in the trap table. That code has done a memory barrier
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* and has disabled both the I-cache and D-cache in the DCU
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@@ -1321,8 +1352,10 @@ cheetah_fast_ecc:
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stxa %g4, [%g0] ASI_AFSR
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membar #Sync
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- CHEETAH_LOG_ERROR
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+ ba,pt %xcc, __cheetah_log_error
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+ nop
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+c_fast_ecc:
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rdpr %pil, %g2
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wrpr %g0, 15, %pil
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ba,pt %xcc, etrap_irq
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@@ -1347,8 +1380,10 @@ cheetah_cee:
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stxa %g4, [%g0] ASI_AFSR
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membar #Sync
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- CHEETAH_LOG_ERROR
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+ ba,pt %xcc, __cheetah_log_error
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+ nop
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+c_cee:
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rdpr %pil, %g2
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wrpr %g0, 15, %pil
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ba,pt %xcc, etrap_irq
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@@ -1373,8 +1408,10 @@ cheetah_deferred_trap:
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stxa %g4, [%g0] ASI_AFSR
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membar #Sync
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- CHEETAH_LOG_ERROR
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+ ba,pt %xcc, __cheetah_log_error
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+ nop
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+c_deferred:
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rdpr %pil, %g2
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wrpr %g0, 15, %pil
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ba,pt %xcc, etrap_irq
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