#define TASK_REGOFF (THREAD_SIZE-TRACEREG_SZ-STACKFRAME_SZ)
#define ETRAP_PSTATE1 (PSTATE_RMO | PSTATE_PRIV)
-#define ETRAP_PSTATE2 (PSTATE_RMO | PSTATE_PEF | PSTATE_PRIV | PSTATE_IE)
+#define ETRAP_PSTATE2 \
+ (PSTATE_RMO | PSTATE_PEF | PSTATE_PRIV | PSTATE_IE)
/*
* On entry, %g7 is return address - 0x4.
.text
.align 64
.globl etrap, etrap_irq, etraptl1
-etrap: rdpr %pil, %g2 ! Single Group
+etrap: rdpr %pil, %g2
etrap_irq:
- rdpr %tstate, %g1 ! Single Group
- sllx %g2, 20, %g3 ! IEU0 Group
- andcc %g1, TSTATE_PRIV, %g0 ! IEU1
- or %g1, %g3, %g1 ! IEU0 Group
- bne,pn %xcc, 1f ! CTI
- sub %sp, STACKFRAME_SZ+TRACEREG_SZ-STACK_BIAS, %g2 ! IEU1
- wrpr %g0, 7, %cleanwin ! Single Group+4bubbles
-
- sethi %hi(TASK_REGOFF), %g2 ! IEU0 Group
- sethi %hi(TSTATE_PEF), %g3 ! IEU1
- or %g2, %lo(TASK_REGOFF), %g2 ! IEU0 Group
- and %g1, %g3, %g3 ! IEU1
- brnz,pn %g3, 1f ! CTI+IEU1 Group
- add %g6, %g2, %g2 ! IEU0
- wr %g0, 0, %fprs ! Single Group+4bubbles
-1: rdpr %tpc, %g3 ! Single Group
-
- stx %g1, [%g2 + STACKFRAME_SZ + PT_V9_TSTATE] ! Store Group
- rdpr %tnpc, %g1 ! Single Group
- stx %g3, [%g2 + STACKFRAME_SZ + PT_V9_TPC] ! Store Group
- rd %y, %g3 ! Single Group+4bubbles
- stx %g1, [%g2 + STACKFRAME_SZ + PT_V9_TNPC] ! Store Group
- st %g3, [%g2 + STACKFRAME_SZ + PT_V9_Y] ! Store Group
- save %g2, -STACK_BIAS, %sp ! Ordering here is critical ! Single Group
- mov %g6, %l6 ! IEU0 Group
-
- bne,pn %xcc, 3f ! CTI
- mov PRIMARY_CONTEXT, %l4 ! IEU1
- rdpr %canrestore, %g3 ! Single Group+4bubbles
- rdpr %wstate, %g2 ! Single Group+4bubbles
- wrpr %g0, 0, %canrestore ! Single Group+4bubbles
- sll %g2, 3, %g2 ! IEU0 Group
- mov 1, %l5 ! IEU1
- stb %l5, [%l6 + TI_FPDEPTH] ! Store
-
- wrpr %g3, 0, %otherwin ! Single Group+4bubbles
- wrpr %g2, 0, %wstate ! Single Group+4bubbles
- stxa %g0, [%l4] ASI_DMMU ! Store Group
- flush %l6 ! Single Group+9bubbles
- wr %g0, ASI_AIUS, %asi ! Single Group+4bubbles
-2: wrpr %g0, 0x0, %tl ! Single Group+4bubbles
- mov %g4, %l4 ! IEU1
- mov %g5, %l5 ! IEU0 Group
-
- mov %g7, %l2 ! IEU1
- wrpr %g0, ETRAP_PSTATE1, %pstate ! Single Group+4bubbles
- stx %g1, [%sp + PTREGS_OFF + PT_V9_G1] ! Store Group
- stx %g2, [%sp + PTREGS_OFF + PT_V9_G2] ! Store Group
- stx %g3, [%sp + PTREGS_OFF + PT_V9_G3] ! Store Group
- stx %g4, [%sp + PTREGS_OFF + PT_V9_G4] ! Store Group
- stx %g5, [%sp + PTREGS_OFF + PT_V9_G5] ! Store Group
- stx %g6, [%sp + PTREGS_OFF + PT_V9_G6] ! Store Group
-
- stx %g7, [%sp + PTREGS_OFF + PT_V9_G7] ! Store Group
- stx %i0, [%sp + PTREGS_OFF + PT_V9_I0] ! Store Group
- stx %i1, [%sp + PTREGS_OFF + PT_V9_I1] ! Store Group
- stx %i2, [%sp + PTREGS_OFF + PT_V9_I2] ! Store Group
- stx %i3, [%sp + PTREGS_OFF + PT_V9_I3] ! Store Group
- stx %i4, [%sp + PTREGS_OFF + PT_V9_I4] ! Store Group
- stx %i5, [%sp + PTREGS_OFF + PT_V9_I5] ! Store Group
-
- stx %i6, [%sp + PTREGS_OFF + PT_V9_I6] ! Store Group
- stx %i7, [%sp + PTREGS_OFF + PT_V9_I7] ! Store Group
- wrpr %g0, ETRAP_PSTATE2, %pstate ! Single Group+4bubbles
- mov %l6, %g6 ! IEU0
- jmpl %l2 + 0x4, %g0 ! CTI Group
- ldx [%g6 + TI_TASK], %g4 ! Load
+ rdpr %tstate, %g1
+ sllx %g2, 20, %g3
+ andcc %g1, TSTATE_PRIV, %g0
+ or %g1, %g3, %g1
+ bne,pn %xcc, 1f
+ sub %sp, STACKFRAME_SZ+TRACEREG_SZ-STACK_BIAS, %g2
+ wrpr %g0, 7, %cleanwin
+
+ sethi %hi(TASK_REGOFF), %g2
+ sethi %hi(TSTATE_PEF), %g3
+ or %g2, %lo(TASK_REGOFF), %g2
+ and %g1, %g3, %g3
+ brnz,pn %g3, 1f
+ add %g6, %g2, %g2
+ wr %g0, 0, %fprs
+1: rdpr %tpc, %g3
+
+ stx %g1, [%g2 + STACKFRAME_SZ + PT_V9_TSTATE]
+ rdpr %tnpc, %g1
+ stx %g3, [%g2 + STACKFRAME_SZ + PT_V9_TPC]
+ rd %y, %g3
+ stx %g1, [%g2 + STACKFRAME_SZ + PT_V9_TNPC]
+ st %g3, [%g2 + STACKFRAME_SZ + PT_V9_Y]
+ save %g2, -STACK_BIAS, %sp ! Ordering here is critical
+ mov %g6, %l6
+
+ bne,pn %xcc, 3f
+ mov PRIMARY_CONTEXT, %l4
+ rdpr %canrestore, %g3
+ rdpr %wstate, %g2
+ wrpr %g0, 0, %canrestore
+ sll %g2, 3, %g2
+ mov 1, %l5
+ stb %l5, [%l6 + TI_FPDEPTH]
+
+ wrpr %g3, 0, %otherwin
+ wrpr %g2, 0, %wstate
+ stxa %g0, [%l4] ASI_DMMU
+ flush %l6
+ wr %g0, ASI_AIUS, %asi
+2: wrpr %g0, 0x0, %tl
+ mov %g4, %l4
+ mov %g5, %l5
+
+ mov %g7, %l2
+ wrpr %g0, ETRAP_PSTATE1, %pstate
+ stx %g1, [%sp + PTREGS_OFF + PT_V9_G1]
+ stx %g2, [%sp + PTREGS_OFF + PT_V9_G2]
+ stx %g3, [%sp + PTREGS_OFF + PT_V9_G3]
+ stx %g4, [%sp + PTREGS_OFF + PT_V9_G4]
+ stx %g5, [%sp + PTREGS_OFF + PT_V9_G5]
+ stx %g6, [%sp + PTREGS_OFF + PT_V9_G6]
+
+ stx %g7, [%sp + PTREGS_OFF + PT_V9_G7]
+ stx %i0, [%sp + PTREGS_OFF + PT_V9_I0]
+ stx %i1, [%sp + PTREGS_OFF + PT_V9_I1]
+ stx %i2, [%sp + PTREGS_OFF + PT_V9_I2]
+ stx %i3, [%sp + PTREGS_OFF + PT_V9_I3]
+ stx %i4, [%sp + PTREGS_OFF + PT_V9_I4]
+ stx %i5, [%sp + PTREGS_OFF + PT_V9_I5]
+
+ stx %i6, [%sp + PTREGS_OFF + PT_V9_I6]
+ stx %i7, [%sp + PTREGS_OFF + PT_V9_I7]
+ wrpr %g0, ETRAP_PSTATE2, %pstate
+ mov %l6, %g6
+ jmpl %l2 + 0x4, %g0
+ ldx [%g6 + TI_TASK], %g4
nop
nop
nop
-3: ldub [%l6 + TI_FPDEPTH], %l5 ! Load Group
- add %l6, TI_FPSAVED + 1, %l4 ! IEU0
- srl %l5, 1, %l3 ! IEU0 Group
- add %l5, 2, %l5 ! IEU1
- stb %l5, [%l6 + TI_FPDEPTH] ! Store
- ba,pt %xcc, 2b ! CTI
- stb %g0, [%l4 + %l3] ! Store Group
+3: ldub [%l6 + TI_FPDEPTH], %l5
+ add %l6, TI_FPSAVED + 1, %l4
+ srl %l5, 1, %l3
+ add %l5, 2, %l5
+ stb %l5, [%l6 + TI_FPDEPTH]
+ ba,pt %xcc, 2b
+ stb %g0, [%l4 + %l3]
nop
etraptl1: /* Save tstate/tpc/tnpc of TL 1-->4 and the tl register itself.
- * We place this right after pt_regs on the trap stack. The layout
- * is:
+ * We place this right after pt_regs on the trap stack.
+ * The layout is:
* 0x00 TL1's TSTATE
* 0x08 TL1's TPC
* 0x10 TL1's TNPC
wrpr %g1, %tl
stx %g1, [%g2 + STACK_BIAS + 0x80]
- rdpr %tstate, %g1 ! Single Group+4bubbles
- sub %g2, STACKFRAME_SZ + TRACEREG_SZ - STACK_BIAS, %g2 ! IEU1
- ba,pt %xcc, 1b ! CTI Group
- andcc %g1, TSTATE_PRIV, %g0 ! IEU0
+ rdpr %tstate, %g1
+ sub %g2, STACKFRAME_SZ + TRACEREG_SZ - STACK_BIAS, %g2
+ ba,pt %xcc, 1b
+ andcc %g1, TSTATE_PRIV, %g0
.align 64
.globl scetrap
-scetrap: rdpr %pil, %g2 ! Single Group
- rdpr %tstate, %g1 ! Single Group
- sllx %g2, 20, %g3 ! IEU0 Group
- andcc %g1, TSTATE_PRIV, %g0 ! IEU1
- or %g1, %g3, %g1 ! IEU0 Group
- bne,pn %xcc, 1f ! CTI
- sub %sp, (STACKFRAME_SZ+TRACEREG_SZ-STACK_BIAS), %g2 ! IEU1
- wrpr %g0, 7, %cleanwin ! Single Group+4bubbles
-
- sllx %g1, 51, %g3 ! IEU0 Group
- sethi %hi(TASK_REGOFF), %g2 ! IEU1
- or %g2, %lo(TASK_REGOFF), %g2 ! IEU0 Group
- brlz,pn %g3, 1f ! CTI+IEU1
- add %g6, %g2, %g2 ! IEU0 Group
- wr %g0, 0, %fprs ! Single Group+4bubbles
-1: rdpr %tpc, %g3 ! Single Group
- stx %g1, [%g2 + STACKFRAME_SZ + PT_V9_TSTATE] ! Store Group
-
- rdpr %tnpc, %g1 ! Single Group
- stx %g3, [%g2 + STACKFRAME_SZ + PT_V9_TPC] ! Store Group
- stx %g1, [%g2 + STACKFRAME_SZ + PT_V9_TNPC] ! Store Group
- save %g2, -STACK_BIAS, %sp ! Ordering here is critical ! Single Group
- mov %g6, %l6 ! IEU0 Group
- bne,pn %xcc, 2f ! CTI
- mov ASI_P, %l7 ! IEU1
- rdpr %canrestore, %g3 ! Single Group+4bubbles
-
- rdpr %wstate, %g2 ! Single Group+4bubbles
- wrpr %g0, 0, %canrestore ! Single Group+4bubbles
- sll %g2, 3, %g2 ! IEU0 Group
- mov PRIMARY_CONTEXT, %l4 ! IEU1
- wrpr %g3, 0, %otherwin ! Single Group+4bubbles
- wrpr %g2, 0, %wstate ! Single Group+4bubbles
- stxa %g0, [%l4] ASI_DMMU ! Store
- flush %l6 ! Single Group+9bubbles
-
- mov ASI_AIUS, %l7 ! IEU0 Group
-2: mov %g4, %l4 ! IEU1
- mov %g5, %l5 ! IEU0 Group
- add %g7, 0x4, %l2 ! IEU1
- wrpr %g0, ETRAP_PSTATE1, %pstate ! Single Group+4bubbles
- stx %g1, [%sp + PTREGS_OFF + PT_V9_G1] ! Store Group
- stx %g2, [%sp + PTREGS_OFF + PT_V9_G2] ! Store Group
- sllx %l7, 24, %l7 ! IEU0
-
- stx %g3, [%sp + PTREGS_OFF + PT_V9_G3] ! Store Group
- rdpr %cwp, %l0 ! Single Group
- stx %g4, [%sp + PTREGS_OFF + PT_V9_G4] ! Store Group
- stx %g5, [%sp + PTREGS_OFF + PT_V9_G5] ! Store Group
- stx %g6, [%sp + PTREGS_OFF + PT_V9_G6] ! Store Group
- stx %g7, [%sp + PTREGS_OFF + PT_V9_G7] ! Store Group
- or %l7, %l0, %l7 ! IEU0
- sethi %hi(TSTATE_RMO | TSTATE_PEF), %l0 ! IEU1
-
- or %l7, %l0, %l7 ! IEU0 Group
- wrpr %l2, %tnpc ! Single Group+4bubbles
- wrpr %l7, (TSTATE_PRIV | TSTATE_IE), %tstate ! Single Group+4bubbles
- stx %i0, [%sp + PTREGS_OFF + PT_V9_I0] ! Store Group
- stx %i1, [%sp + PTREGS_OFF + PT_V9_I1] ! Store Group
- stx %i2, [%sp + PTREGS_OFF + PT_V9_I2] ! Store Group
- stx %i3, [%sp + PTREGS_OFF + PT_V9_I3] ! Store Group
- stx %i4, [%sp + PTREGS_OFF + PT_V9_I4] ! Store Group
-
- stx %i5, [%sp + PTREGS_OFF + PT_V9_I5] ! Store Group
- stx %i6, [%sp + PTREGS_OFF + PT_V9_I6] ! Store Group
- mov %l6, %g6 ! IEU1
- stx %i7, [%sp + PTREGS_OFF + PT_V9_I7] ! Store Group
- ldx [%g6 + TI_TASK], %g4 ! Load Group
+scetrap: rdpr %pil, %g2
+ rdpr %tstate, %g1
+ sllx %g2, 20, %g3
+ andcc %g1, TSTATE_PRIV, %g0
+ or %g1, %g3, %g1
+ bne,pn %xcc, 1f
+ sub %sp, (STACKFRAME_SZ+TRACEREG_SZ-STACK_BIAS), %g2
+ wrpr %g0, 7, %cleanwin
+
+ sllx %g1, 51, %g3
+ sethi %hi(TASK_REGOFF), %g2
+ or %g2, %lo(TASK_REGOFF), %g2
+ brlz,pn %g3, 1f
+ add %g6, %g2, %g2
+ wr %g0, 0, %fprs
+1: rdpr %tpc, %g3
+ stx %g1, [%g2 + STACKFRAME_SZ + PT_V9_TSTATE]
+
+ rdpr %tnpc, %g1
+ stx %g3, [%g2 + STACKFRAME_SZ + PT_V9_TPC]
+ stx %g1, [%g2 + STACKFRAME_SZ + PT_V9_TNPC]
+ save %g2, -STACK_BIAS, %sp ! Ordering here is critical
+ mov %g6, %l6
+ bne,pn %xcc, 2f
+ mov ASI_P, %l7
+ rdpr %canrestore, %g3
+
+ rdpr %wstate, %g2
+ wrpr %g0, 0, %canrestore
+ sll %g2, 3, %g2
+ mov PRIMARY_CONTEXT, %l4
+ wrpr %g3, 0, %otherwin
+ wrpr %g2, 0, %wstate
+ stxa %g0, [%l4] ASI_DMMU
+ flush %l6
+
+ mov ASI_AIUS, %l7
+2: mov %g4, %l4
+ mov %g5, %l5
+ add %g7, 0x4, %l2
+ wrpr %g0, ETRAP_PSTATE1, %pstate
+ stx %g1, [%sp + PTREGS_OFF + PT_V9_G1]
+ stx %g2, [%sp + PTREGS_OFF + PT_V9_G2]
+ sllx %l7, 24, %l7
+
+ stx %g3, [%sp + PTREGS_OFF + PT_V9_G3]
+ rdpr %cwp, %l0
+ stx %g4, [%sp + PTREGS_OFF + PT_V9_G4]
+ stx %g5, [%sp + PTREGS_OFF + PT_V9_G5]
+ stx %g6, [%sp + PTREGS_OFF + PT_V9_G6]
+ stx %g7, [%sp + PTREGS_OFF + PT_V9_G7]
+ or %l7, %l0, %l7
+ sethi %hi(TSTATE_RMO | TSTATE_PEF), %l0
+
+ or %l7, %l0, %l7
+ wrpr %l2, %tnpc
+ wrpr %l7, (TSTATE_PRIV | TSTATE_IE), %tstate
+ stx %i0, [%sp + PTREGS_OFF + PT_V9_I0]
+ stx %i1, [%sp + PTREGS_OFF + PT_V9_I1]
+ stx %i2, [%sp + PTREGS_OFF + PT_V9_I2]
+ stx %i3, [%sp + PTREGS_OFF + PT_V9_I3]
+ stx %i4, [%sp + PTREGS_OFF + PT_V9_I4]
+
+ stx %i5, [%sp + PTREGS_OFF + PT_V9_I5]
+ stx %i6, [%sp + PTREGS_OFF + PT_V9_I6]
+ mov %l6, %g6
+ stx %i7, [%sp + PTREGS_OFF + PT_V9_I7]
+ ldx [%g6 + TI_TASK], %g4
done
nop
nop
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