diff options
Diffstat (limited to 'src/arch/arm/utility.cc')
-rw-r--r-- | src/arch/arm/utility.cc | 87 |
1 files changed, 42 insertions, 45 deletions
diff --git a/src/arch/arm/utility.cc b/src/arch/arm/utility.cc index 98195ab04..42b5be181 100644 --- a/src/arch/arm/utility.cc +++ b/src/arch/arm/utility.cc @@ -40,15 +40,12 @@ #include "arch/arm/faults.hh" #include "arch/arm/isa_traits.hh" +#include "arch/arm/tlb.hh" #include "arch/arm/utility.hh" -#include "cpu/thread_context.hh" - -#if FULL_SYSTEM #include "arch/arm/vtophys.hh" +#include "cpu/thread_context.hh" #include "mem/fs_translating_port_proxy.hh" -#endif - -#include "arch/arm/tlb.hh" +#include "sim/full_system.hh" namespace ArmISA { @@ -66,49 +63,49 @@ initCPU(ThreadContext *tc, int cpuId) uint64_t getArgument(ThreadContext *tc, int &number, uint16_t size, bool fp) { -#if FULL_SYSTEM - if (size == (uint16_t)(-1)) - size = ArmISA::MachineBytes; - if (fp) - panic("getArgument(): Floating point arguments not implemented\n"); - - if (number < NumArgumentRegs) { - // If the argument is 64 bits, it must be in an even regiser number - // Increment the number here if it isn't even - if (size == sizeof(uint64_t)) { - if ((number % 2) != 0) - number++; - // Read the two halves of the data - // number is inc here to get the second half of the 64 bit reg - uint64_t tmp; - tmp = tc->readIntReg(number++); - tmp |= tc->readIntReg(number) << 32; - return tmp; + if (FullSystem) { + if (size == (uint16_t)(-1)) + size = ArmISA::MachineBytes; + if (fp) + panic("getArgument(): Floating point arguments not implemented\n"); + + if (number < NumArgumentRegs) { + // If the argument is 64 bits, it must be in an even regiser + // number. Increment the number here if it isn't even. + if (size == sizeof(uint64_t)) { + if ((number % 2) != 0) + number++; + // Read the two halves of the data. Number is inc here to + // get the second half of the 64 bit reg. + uint64_t tmp; + tmp = tc->readIntReg(number++); + tmp |= tc->readIntReg(number) << 32; + return tmp; + } else { + return tc->readIntReg(number); + } } else { - return tc->readIntReg(number); - } - } else { - Addr sp = tc->readIntReg(StackPointerReg); - FSTranslatingPortProxy* vp = tc->getVirtProxy(); - uint64_t arg; - if (size == sizeof(uint64_t)) { - // If the argument is even it must be aligned - if ((number % 2) != 0) + Addr sp = tc->readIntReg(StackPointerReg); + FSTranslatingPortProxy* vp = tc->getVirtProxy(); + uint64_t arg; + if (size == sizeof(uint64_t)) { + // If the argument is even it must be aligned + if ((number % 2) != 0) + number++; + arg = vp->read<uint64_t>(sp + + (number-NumArgumentRegs) * sizeof(uint32_t)); + // since two 32 bit args == 1 64 bit arg, increment number number++; - arg = vp->read<uint64_t>(sp + - (number-NumArgumentRegs) * sizeof(uint32_t)); - // since two 32 bit args == 1 64 bit arg, increment number - number++; - } else { - arg = vp->read<uint32_t>(sp + - (number-NumArgumentRegs) * sizeof(uint32_t)); + } else { + arg = vp->read<uint32_t>(sp + + (number-NumArgumentRegs) * sizeof(uint32_t)); + } + return arg; } - return arg; + } else { + panic("getArgument() only implemented for full system mode.\n"); + M5_DUMMY_RETURN } -#else - panic("getArgument() only implemented for FULL_SYSTEM\n"); - M5_DUMMY_RETURN -#endif } void |