- ld r2, [sp, PT_ret]
- ld r3, [sp, PT_status32]
-
- ; STAT32 for Int return created from scratch
- ; (No delay dlot, disable Further intr in trampoline)
-
- bic r0, r3, STATUS_U_MASK|STATUS_DE_MASK|STATUS_IE_MASK|STATUS_L_MASK
- st r0, [sp, PT_status32]
-
- mov r1, .Lintr_ret_to_delay_slot_2
- st r1, [sp, PT_ret]
-
- ; Orig exception PC/STAT32 safekept @orig_r0 and @event stack slots
- st r2, [sp, 0]
- st r3, [sp, 4]
-
- b .Lisr_ret_fast_path
-
-.Lintr_ret_to_delay_slot_2:
- ; Trampoline to restore orig exception PC/STAT32/BTA/AUX_USER_SP
- sub sp, sp, SZ_PT_REGS
- st r9, [sp, -4]
-
- ld r9, [sp, 0]
- sr r9, [eret]
-
- ld r9, [sp, 4]
- sr r9, [erstatus]
-
- ; restore AUX_USER_SP if returning to U mode
- bbit0 r9, STATUS_U_BIT, 1f
- ld r9, [sp, PT_sp]
- sr r9, [AUX_USER_SP]
-
-1:
- ld r9, [sp, 8]
- sr r9, [erbta]
-
- ld r9, [sp, -4]
- add sp, sp, SZ_PT_REGS
-
- ; return from pure kernel mode to delay slot
- rtie