diff options
Diffstat (limited to 'sim/mips/gencode.c')
| -rw-r--r-- | sim/mips/gencode.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/sim/mips/gencode.c b/sim/mips/gencode.c index 928b88e..2e5ed28 100644 --- a/sim/mips/gencode.c +++ b/sim/mips/gencode.c @@ -2716,6 +2716,24 @@ build_instruction (doisa, features, mips16, insn) break ; case BREAK: + + printf(" unsigned int break_code = instruction & HALT_INSTRUCTION_MASK;\n"); + printf(" if ( break_code == (HALT_INSTRUCTION & HALT_INSTRUCTION_MASK)\n"); + printf(" || break_code == (HALT_INSTRUCTION2 & HALT_INSTRUCTION_MASK))\n"); + printf(" {\n"); + printf(" sim_engine_halt (SD, CPU, NULL, cia,\n"); + printf(" sim_exited, (unsigned int)(A0 & 0xFFFFFFFF));\n"); + printf(" }\n"); + printf(" else if ( break_code == (BREAKPOINT_INSTRUCTION & HALT_INSTRUCTION_MASK)\n"); + printf(" || break_code == (BREAKPOINT_INSTRUCTION2 & HALT_INSTRUCTION_MASK))\n"); + printf(" {\n"); + printf(" if (STATE & simDELAYSLOT)\n"); + printf(" PC = cia - 4; /* reference the branch instruction */\n"); + printf(" else\n"); + printf(" PC = cia;\n"); + printf(" sim_engine_halt (SD, CPU, NULL, cia, sim_stopped, SIM_SIGTRAP);\n"); + printf(" }\n"); + printf(" SignalException(BreakPoint,instruction);\n"); break ; |