diff options
Diffstat (limited to 'target-mips/op_helper.c')
| -rw-r--r-- | target-mips/op_helper.c | 266 |
1 files changed, 161 insertions, 105 deletions
diff --git a/target-mips/op_helper.c b/target-mips/op_helper.c index 056011f1cc..a079fc031e 100644 --- a/target-mips/op_helper.c +++ b/target-mips/op_helper.c @@ -749,6 +749,31 @@ void helper_sdm (target_ulong addr, target_ulong reglist, uint32_t mem_idx) #endif #ifndef CONFIG_USER_ONLY +/* tc should point to an int with the value of the global TC index. + This function will transform it into a local index within the + returned CPUState. + + FIXME: This code assumes that all VPEs have the same number of TCs, + which depends on runtime setup. Can probably be fixed by + walking the list of CPUStates. */ +static CPUState *mips_cpu_map_tc(int *tc) +{ + CPUState *other; + int vpe_idx, nr_threads = env->nr_threads; + int tc_idx = *tc; + + if (!(env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP))) { + /* Not allowed to address other CPUs. */ + *tc = env->current_tc; + return env; + } + + vpe_idx = tc_idx / nr_threads; + *tc = tc_idx % nr_threads; + other = qemu_get_cpu(vpe_idx); + return other ? other : env; +} + /* CP0 helpers */ target_ulong helper_mfc0_mvpcontrol (void) { @@ -778,11 +803,12 @@ target_ulong helper_mfc0_tcstatus (void) target_ulong helper_mftc0_tcstatus(void) { int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); + CPUState *other = mips_cpu_map_tc(&other_tc); - if (other_tc == env->current_tc) - return env->active_tc.CP0_TCStatus; + if (other_tc == other->current_tc) + return other->active_tc.CP0_TCStatus; else - return env->tcs[other_tc].CP0_TCStatus; + return other->tcs[other_tc].CP0_TCStatus; } target_ulong helper_mfc0_tcbind (void) @@ -793,11 +819,12 @@ target_ulong helper_mfc0_tcbind (void) target_ulong helper_mftc0_tcbind(void) { int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); + CPUState *other = mips_cpu_map_tc(&other_tc); - if (other_tc == env->current_tc) - return env->active_tc.CP0_TCBind; + if (other_tc == other->current_tc) + return other->active_tc.CP0_TCBind; else - return env->tcs[other_tc].CP0_TCBind; + return other->tcs[other_tc].CP0_TCBind; } target_ulong helper_mfc0_tcrestart (void) @@ -808,11 +835,12 @@ target_ulong helper_mfc0_tcrestart (void) target_ulong helper_mftc0_tcrestart(void) { int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); + CPUState *other = mips_cpu_map_tc(&other_tc); - if (other_tc == env->current_tc) - return env->active_tc.PC; + if (other_tc == other->current_tc) + return other->active_tc.PC; else - return env->tcs[other_tc].PC; + return other->tcs[other_tc].PC; } target_ulong helper_mfc0_tchalt (void) @@ -823,11 +851,12 @@ target_ulong helper_mfc0_tchalt (void) target_ulong helper_mftc0_tchalt(void) { int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); + CPUState *other = mips_cpu_map_tc(&other_tc); - if (other_tc == env->current_tc) - return env->active_tc.CP0_TCHalt; + if (other_tc == other->current_tc) + return other->active_tc.CP0_TCHalt; else - return env->tcs[other_tc].CP0_TCHalt; + return other->tcs[other_tc].CP0_TCHalt; } target_ulong helper_mfc0_tccontext (void) @@ -838,11 +867,12 @@ target_ulong helper_mfc0_tccontext (void) target_ulong helper_mftc0_tccontext(void) { int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); + CPUState *other = mips_cpu_map_tc(&other_tc); - if (other_tc == env->current_tc) - return env->active_tc.CP0_TCContext; + if (other_tc == other->current_tc) + return other->active_tc.CP0_TCContext; else - return env->tcs[other_tc].CP0_TCContext; + return other->tcs[other_tc].CP0_TCContext; } target_ulong helper_mfc0_tcschedule (void) @@ -853,11 +883,12 @@ target_ulong helper_mfc0_tcschedule (void) target_ulong helper_mftc0_tcschedule(void) { int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); + CPUState *other = mips_cpu_map_tc(&other_tc); - if (other_tc == env->current_tc) - return env->active_tc.CP0_TCSchedule; + if (other_tc == other->current_tc) + return other->active_tc.CP0_TCSchedule; else - return env->tcs[other_tc].CP0_TCSchedule; + return other->tcs[other_tc].CP0_TCSchedule; } target_ulong helper_mfc0_tcschefback (void) @@ -868,11 +899,12 @@ target_ulong helper_mfc0_tcschefback (void) target_ulong helper_mftc0_tcschefback(void) { int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); + CPUState *other = mips_cpu_map_tc(&other_tc); - if (other_tc == env->current_tc) - return env->active_tc.CP0_TCScheFBack; + if (other_tc == other->current_tc) + return other->active_tc.CP0_TCScheFBack; else - return env->tcs[other_tc].CP0_TCScheFBack; + return other->tcs[other_tc].CP0_TCScheFBack; } target_ulong helper_mfc0_count (void) @@ -883,14 +915,15 @@ target_ulong helper_mfc0_count (void) target_ulong helper_mftc0_entryhi(void) { int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); + CPUState *other = mips_cpu_map_tc(&other_tc); int32_t tcstatus; - if (other_tc == env->current_tc) - tcstatus = env->active_tc.CP0_TCStatus; + if (other_tc == other->current_tc) + tcstatus = other->active_tc.CP0_TCStatus; else - tcstatus = env->tcs[other_tc].CP0_TCStatus; + tcstatus = other->tcs[other_tc].CP0_TCStatus; - return (env->CP0_EntryHi & ~0xff) | (tcstatus & 0xff); + return (other->CP0_EntryHi & ~0xff) | (tcstatus & 0xff); } target_ulong helper_mftc0_status(void) @@ -898,13 +931,14 @@ target_ulong helper_mftc0_status(void) int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); target_ulong t0; int32_t tcstatus; + CPUState *other = mips_cpu_map_tc(&other_tc); - if (other_tc == env->current_tc) - tcstatus = env->active_tc.CP0_TCStatus; + if (other_tc == other->current_tc) + tcstatus = other->active_tc.CP0_TCStatus; else - tcstatus = env->tcs[other_tc].CP0_TCStatus; + tcstatus = other->tcs[other_tc].CP0_TCStatus; - t0 = env->CP0_Status & ~0xf1000018; + t0 = other->CP0_Status & ~0xf1000018; t0 |= tcstatus & (0xf << CP0TCSt_TCU0); t0 |= (tcstatus & (1 << CP0TCSt_TMX)) >> (CP0TCSt_TMX - CP0St_MX); t0 |= (tcstatus & (0x3 << CP0TCSt_TKSU)) >> (CP0TCSt_TKSU - CP0St_KSU); @@ -940,14 +974,15 @@ target_ulong helper_mftc0_debug(void) { int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); int32_t tcstatus; + CPUState *other = mips_cpu_map_tc(&other_tc); - if (other_tc == env->current_tc) - tcstatus = env->active_tc.CP0_Debug_tcstatus; + if (other_tc == other->current_tc) + tcstatus = other->active_tc.CP0_Debug_tcstatus; else - tcstatus = env->tcs[other_tc].CP0_Debug_tcstatus; + tcstatus = other->tcs[other_tc].CP0_Debug_tcstatus; /* XXX: Might be wrong, check with EJTAG spec. */ - return (env->CP0_Debug & ~((1 << CP0DB_SSt) | (1 << CP0DB_Halt))) | + return (other->CP0_Debug & ~((1 << CP0DB_SSt) | (1 << CP0DB_Halt))) | (tcstatus & ((1 << CP0DB_SSt) | (1 << CP0DB_Halt))); } @@ -1102,13 +1137,14 @@ void helper_mtc0_tcstatus (target_ulong arg1) void helper_mttc0_tcstatus (target_ulong arg1) { int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); + CPUState *other = mips_cpu_map_tc(&other_tc); // TODO: Sync with CP0_Status. - if (other_tc == env->current_tc) - env->active_tc.CP0_TCStatus = arg1; + if (other_tc == other->current_tc) + other->active_tc.CP0_TCStatus = arg1; else - env->tcs[other_tc].CP0_TCStatus = arg1; + other->tcs[other_tc].CP0_TCStatus = arg1; } void helper_mtc0_tcbind (target_ulong arg1) @@ -1127,15 +1163,16 @@ void helper_mttc0_tcbind (target_ulong arg1) int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); uint32_t mask = (1 << CP0TCBd_TBE); uint32_t newval; + CPUState *other = mips_cpu_map_tc(&other_tc); - if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC)) + if (other->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC)) mask |= (1 << CP0TCBd_CurVPE); - if (other_tc == env->current_tc) { - newval = (env->active_tc.CP0_TCBind & ~mask) | (arg1 & mask); - env->active_tc.CP0_TCBind = newval; + if (other_tc == other->current_tc) { + newval = (other->active_tc.CP0_TCBind & ~mask) | (arg1 & mask); + other->active_tc.CP0_TCBind = newval; } else { - newval = (env->tcs[other_tc].CP0_TCBind & ~mask) | (arg1 & mask); - env->tcs[other_tc].CP0_TCBind = newval; + newval = (other->tcs[other_tc].CP0_TCBind & ~mask) | (arg1 & mask); + other->tcs[other_tc].CP0_TCBind = newval; } } @@ -1150,16 +1187,17 @@ void helper_mtc0_tcrestart (target_ulong arg1) void helper_mttc0_tcrestart (target_ulong arg1) { int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); + CPUState *other = mips_cpu_map_tc(&other_tc); - if (other_tc == env->current_tc) { - env->active_tc.PC = arg1; - env->active_tc.CP0_TCStatus &= ~(1 << CP0TCSt_TDS); - env->lladdr = 0ULL; + if (other_tc == other->current_tc) { + other->active_tc.PC = arg1; + other->active_tc.CP0_TCStatus &= ~(1 << CP0TCSt_TDS); + other->lladdr = 0ULL; /* MIPS16 not implemented. */ } else { - env->tcs[other_tc].PC = arg1; - env->tcs[other_tc].CP0_TCStatus &= ~(1 << CP0TCSt_TDS); - env->lladdr = 0ULL; + other->tcs[other_tc].PC = arg1; + other->tcs[other_tc].CP0_TCStatus &= ~(1 << CP0TCSt_TDS); + other->lladdr = 0ULL; /* MIPS16 not implemented. */ } } @@ -1174,13 +1212,14 @@ void helper_mtc0_tchalt (target_ulong arg1) void helper_mttc0_tchalt (target_ulong arg1) { int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); + CPUState *other = mips_cpu_map_tc(&other_tc); // TODO: Halt TC / Restart (if allocated+active) TC. - if (other_tc == env->current_tc) - env->active_tc.CP0_TCHalt = arg1; + if (other_tc == other->current_tc) + other->active_tc.CP0_TCHalt = arg1; else - env->tcs[other_tc].CP0_TCHalt = arg1; + other->tcs[other_tc].CP0_TCHalt = arg1; } void helper_mtc0_tccontext (target_ulong arg1) @@ -1191,11 +1230,12 @@ void helper_mtc0_tccontext (target_ulong arg1) void helper_mttc0_tccontext (target_ulong arg1) { int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); + CPUState *other = mips_cpu_map_tc(&other_tc); - if (other_tc == env->current_tc) - env->active_tc.CP0_TCContext = arg1; + if (other_tc == other->current_tc) + other->active_tc.CP0_TCContext = arg1; else - env->tcs[other_tc].CP0_TCContext = arg1; + other->tcs[other_tc].CP0_TCContext = arg1; } void helper_mtc0_tcschedule (target_ulong arg1) @@ -1206,11 +1246,12 @@ void helper_mtc0_tcschedule (target_ulong arg1) void helper_mttc0_tcschedule (target_ulong arg1) { int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); + CPUState *other = mips_cpu_map_tc(&other_tc); - if (other_tc == env->current_tc) - env->active_tc.CP0_TCSchedule = arg1; + if (other_tc == other->current_tc) + other->active_tc.CP0_TCSchedule = arg1; else - env->tcs[other_tc].CP0_TCSchedule = arg1; + other->tcs[other_tc].CP0_TCSchedule = arg1; } void helper_mtc0_tcschefback (target_ulong arg1) @@ -1221,11 +1262,12 @@ void helper_mtc0_tcschefback (target_ulong arg1) void helper_mttc0_tcschefback (target_ulong arg1) { int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); + CPUState *other = mips_cpu_map_tc(&other_tc); - if (other_tc == env->current_tc) - env->active_tc.CP0_TCScheFBack = arg1; + if (other_tc == other->current_tc) + other->active_tc.CP0_TCScheFBack = arg1; else - env->tcs[other_tc].CP0_TCScheFBack = arg1; + other->tcs[other_tc].CP0_TCScheFBack = arg1; } void helper_mtc0_entrylo1 (target_ulong arg1) @@ -1318,14 +1360,15 @@ void helper_mttc0_entryhi(target_ulong arg1) { int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); int32_t tcstatus; + CPUState *other = mips_cpu_map_tc(&other_tc); - env->CP0_EntryHi = (env->CP0_EntryHi & 0xff) | (arg1 & ~0xff); - if (other_tc == env->current_tc) { - tcstatus = (env->active_tc.CP0_TCStatus & ~0xff) | (arg1 & 0xff); - env->active_tc.CP0_TCStatus = tcstatus; + other->CP0_EntryHi = (other->CP0_EntryHi & 0xff) | (arg1 & ~0xff); + if (other_tc == other->current_tc) { + tcstatus = (other->active_tc.CP0_TCStatus & ~0xff) | (arg1 & 0xff); + other->active_tc.CP0_TCStatus = tcstatus; } else { - tcstatus = (env->tcs[other_tc].CP0_TCStatus & ~0xff) | (arg1 & 0xff); - env->tcs[other_tc].CP0_TCStatus = tcstatus; + tcstatus = (other->tcs[other_tc].CP0_TCStatus & ~0xff) | (arg1 & 0xff); + other->tcs[other_tc].CP0_TCStatus = tcstatus; } } @@ -1361,15 +1404,16 @@ void helper_mttc0_status(target_ulong arg1) { int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); int32_t tcstatus = env->tcs[other_tc].CP0_TCStatus; + CPUState *other = mips_cpu_map_tc(&other_tc); - env->CP0_Status = arg1 & ~0xf1000018; + other->CP0_Status = arg1 & ~0xf1000018; tcstatus = (tcstatus & ~(0xf << CP0TCSt_TCU0)) | (arg1 & (0xf << CP0St_CU0)); tcstatus = (tcstatus & ~(1 << CP0TCSt_TMX)) | ((arg1 & (1 << CP0St_MX)) << (CP0TCSt_TMX - CP0St_MX)); tcstatus = (tcstatus & ~(0x3 << CP0TCSt_TKSU)) | ((arg1 & (0x3 << CP0St_KSU)) << (CP0TCSt_TKSU - CP0St_KSU)); - if (other_tc == env->current_tc) - env->active_tc.CP0_TCStatus = tcstatus; + if (other_tc == other->current_tc) + other->active_tc.CP0_TCStatus = tcstatus; else - env->tcs[other_tc].CP0_TCStatus = tcstatus; + other->tcs[other_tc].CP0_TCStatus = tcstatus; } void helper_mtc0_intctl (target_ulong arg1) @@ -1471,13 +1515,15 @@ void helper_mttc0_debug(target_ulong arg1) { int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); uint32_t val = arg1 & ((1 << CP0DB_SSt) | (1 << CP0DB_Halt)); + CPUState *other = mips_cpu_map_tc(&other_tc); /* XXX: Might be wrong, check with EJTAG spec. */ - if (other_tc == env->current_tc) - env->active_tc.CP0_Debug_tcstatus = val; + if (other_tc == other->current_tc) + other->active_tc.CP0_Debug_tcstatus = val; else - env->tcs[other_tc].CP0_Debug_tcstatus = val; - env->CP0_Debug = (env->CP0_Debug & ((1 << CP0DB_SSt) | (1 << CP0DB_Halt))) | + other->tcs[other_tc].CP0_Debug_tcstatus = val; + other->CP0_Debug = (other->CP0_Debug & + ((1 << CP0DB_SSt) | (1 << CP0DB_Halt))) | (arg1 & ~((1 << CP0DB_SSt) | (1 << CP0DB_Halt))); } @@ -1510,101 +1556,111 @@ void helper_mtc0_datahi (target_ulong arg1) target_ulong helper_mftgpr(uint32_t sel) { int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); + CPUState *other = mips_cpu_map_tc(&other_tc); - if (other_tc == env->current_tc) - return env->active_tc.gpr[sel]; + if (other_tc == other->current_tc) + return other->active_tc.gpr[sel]; else - return env->tcs[other_tc].gpr[sel]; + return other->tcs[other_tc].gpr[sel]; } target_ulong helper_mftlo(uint32_t sel) { int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); + CPUState *other = mips_cpu_map_tc(&other_tc); - if (other_tc == env->current_tc) - return env->active_tc.LO[sel]; + if (other_tc == other->current_tc) + return other->active_tc.LO[sel]; else - return env->tcs[other_tc].LO[sel]; + return other->tcs[other_tc].LO[sel]; } target_ulong helper_mfthi(uint32_t sel) { int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); + CPUState *other = mips_cpu_map_tc(&other_tc); - if (other_tc == env->current_tc) - return env->active_tc.HI[sel]; + if (other_tc == other->current_tc) + return other->active_tc.HI[sel]; else - return env->tcs[other_tc].HI[sel]; + return other->tcs[other_tc].HI[sel]; } target_ulong helper_mftacx(uint32_t sel) { int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); + CPUState *other = mips_cpu_map_tc(&other_tc); - if (other_tc == env->current_tc) - return env->active_tc.ACX[sel]; + if (other_tc == other->current_tc) + return other->active_tc.ACX[sel]; else - return env->tcs[other_tc].ACX[sel]; + return other->tcs[other_tc].ACX[sel]; } target_ulong helper_mftdsp(void) { int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); + CPUState *other = mips_cpu_map_tc(&other_tc); - if (other_tc == env->current_tc) - return env->active_tc.DSPControl; + if (other_tc == other->current_tc) + return other->active_tc.DSPControl; else - return env->tcs[other_tc].DSPControl; + return other->tcs[other_tc].DSPControl; } void helper_mttgpr(target_ulong arg1, uint32_t sel) { int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); + CPUState *other = mips_cpu_map_tc(&other_tc); - if (other_tc == env->current_tc) - env->active_tc.gpr[sel] = arg1; + if (other_tc == other->current_tc) + other->active_tc.gpr[sel] = arg1; else - env->tcs[other_tc].gpr[sel] = arg1; + other->tcs[other_tc].gpr[sel] = arg1; } void helper_mttlo(target_ulong arg1, uint32_t sel) { int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); + CPUState *other = mips_cpu_map_tc(&other_tc); - if (other_tc == env->current_tc) - env->active_tc.LO[sel] = arg1; + if (other_tc == other->current_tc) + other->active_tc.LO[sel] = arg1; else - env->tcs[other_tc].LO[sel] = arg1; + other->tcs[other_tc].LO[sel] = arg1; } void helper_mtthi(target_ulong arg1, uint32_t sel) { int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); + CPUState *other = mips_cpu_map_tc(&other_tc); - if (other_tc == env->current_tc) - env->active_tc.HI[sel] = arg1; + if (other_tc == other->current_tc) + other->active_tc.HI[sel] = arg1; else - env->tcs[other_tc].HI[sel] = arg1; + other->tcs[other_tc].HI[sel] = arg1; } void helper_mttacx(target_ulong arg1, uint32_t sel) { int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); + CPUState *other = mips_cpu_map_tc(&other_tc); - if (other_tc == env->current_tc) - env->active_tc.ACX[sel] = arg1; + if (other_tc == other->current_tc) + other->active_tc.ACX[sel] = arg1; else - env->tcs[other_tc].ACX[sel] = arg1; + other->tcs[other_tc].ACX[sel] = arg1; } void helper_mttdsp(target_ulong arg1) { int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); + CPUState *other = mips_cpu_map_tc(&other_tc); - if (other_tc == env->current_tc) - env->active_tc.DSPControl = arg1; + if (other_tc == other->current_tc) + other->active_tc.DSPControl = arg1; else - env->tcs[other_tc].DSPControl = arg1; + other->tcs[other_tc].DSPControl = arg1; } /* MIPS MT functions */ |