diff options
Diffstat (limited to 'src/arch/mips/isa')
| -rw-r--r-- | src/arch/mips/isa/formats/control.isa | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/src/arch/mips/isa/formats/control.isa b/src/arch/mips/isa/formats/control.isa index 4593aa52b..1671b9ad7 100644 --- a/src/arch/mips/isa/formats/control.isa +++ b/src/arch/mips/isa/formats/control.isa @@ -183,22 +183,22 @@ output decoder {{ output exec {{ bool isCoprocessorEnabled(%(CPU_exec_context)s *xc, unsigned cop_num) { +#if !FULL_SYSTEM + return true; +#else MiscReg Stat = xc->readMiscReg(MipsISA::Status); switch(cop_num) { case 0: { -#if FULL_SYSTEM - MiscReg Dbg = xc->readMiscReg(MipsISA::Debug); - if((Stat & 0x10000006) == 0 // EXL, ERL or CU0 set, CP0 accessible - && (Dbg & 0x40000000) == 0 // DM bit set, CP0 accessible - && (Stat & 0x00000018) != 0) { // KSU = 0, kernel mode is base mode - // Unable to use Status_CU0, etc directly, using bitfields & masks - return false; - } -#else - //printf("Syscall Emulation Mode: CP0 Enable Check defaults to TRUE\n"); -#endif + MiscReg Dbg = xc->readMiscReg(MipsISA::Debug); + if((Stat & 0x10000006) == 0 // EXL, ERL or CU0 set, CP0 accessible + && (Dbg & 0x40000000) == 0 // DM bit set, CP0 accessible + && (Stat & 0x00000018) != 0) { // KSU = 0, kernel mode is base mode + // Unable to use Status_CU0, etc directly, using bitfields & masks + return false; + } + } break; case 1: @@ -217,6 +217,7 @@ output exec {{ break; } return true; +#endif } bool inline isCoprocessor0Enabled(%(CPU_exec_context)s *xc) { |