diff options
Diffstat (limited to 'linux-user/main.c')
| -rw-r--r-- | linux-user/main.c | 46 |
1 files changed, 43 insertions, 3 deletions
diff --git a/linux-user/main.c b/linux-user/main.c index 547884c481..441e31dc01 100644 --- a/linux-user/main.c +++ b/linux-user/main.c @@ -2310,7 +2310,31 @@ done_syscall: abi_ulong trap_instr; unsigned int code; - ret = get_user_ual(trap_instr, env->active_tc.PC); + if (env->hflags & MIPS_HFLAG_M16) { + if (env->insn_flags & ASE_MICROMIPS) { + /* microMIPS mode */ + abi_ulong instr[2]; + + ret = get_user_u16(instr[0], env->active_tc.PC) || + get_user_u16(instr[1], env->active_tc.PC + 2); + + trap_instr = (instr[0] << 16) | instr[1]; + } else { + /* MIPS16e mode */ + ret = get_user_u16(trap_instr, env->active_tc.PC); + if (ret != 0) { + goto error; + } + code = (trap_instr >> 6) & 0x3f; + if (do_break(env, &info, code) != 0) { + goto error; + } + break; + } + } else { + ret = get_user_ual(trap_instr, env->active_tc.PC); + } + if (ret != 0) { goto error; } @@ -2334,14 +2358,30 @@ done_syscall: abi_ulong trap_instr; unsigned int code = 0; - ret = get_user_ual(trap_instr, env->active_tc.PC); + if (env->hflags & MIPS_HFLAG_M16) { + /* microMIPS mode */ + abi_ulong instr[2]; + + ret = get_user_u16(instr[0], env->active_tc.PC) || + get_user_u16(instr[1], env->active_tc.PC + 2); + + trap_instr = (instr[0] << 16) | instr[1]; + } else { + ret = get_user_ual(trap_instr, env->active_tc.PC); + } + if (ret != 0) { goto error; } /* The immediate versions don't provide a code. */ if (!(trap_instr & 0xFC000000)) { - code = ((trap_instr >> 6) & ((1 << 10) - 1)); + if (env->hflags & MIPS_HFLAG_M16) { + /* microMIPS mode */ + code = ((trap_instr >> 12) & ((1 << 4) - 1)); + } else { + code = ((trap_instr >> 6) & ((1 << 10) - 1)); + } } if (do_break(env, &info, code) != 0) { |