| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* Pass a breakpoint through to Codescape */ |
| |
| #include <asm/tbx.h> |
| |
| .text |
| .global ___TBIUnExpXXX |
| .type ___TBIUnExpXXX,function |
| ___TBIUnExpXXX: |
| TSTT D0Ar2,#TBICTX_CRIT_BIT ! Result of nestable int call? |
| BZ $LTBINormCase ! UnExpXXX at background level |
| MOV D0Re0,TXMASKI ! Read TXMASKI |
| XOR TXMASKI,D1Re0,D1Re0 ! Turn off BGNDHALT handling! |
| OR D0Ar2,D0Ar2,D0Re0 ! Preserve bits cleared |
| $LTBINormCase: |
| MSETL [A0StP],D0Ar6,D0Ar4,D0Ar2 ! Save args on stack |
| SETL [A0StP++],D0Ar2,D1Ar1 ! Init area for returned values |
| SWITCH #0xC20208 ! Total stack frame size 8 Dwords |
| ! write back size 2 Dwords |
| GETL D0Re0,D1Re0,[--A0StP] ! Get result |
| SUB A0StP,A0StP,#(8*3) ! Recover stack frame |
| MOV PC,D1RtP |
| .size ___TBIUnExpXXX,.-___TBIUnExpXXX |
