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| author | Dylan Johnson <Dylan.Johnson@ARM.com> | 2016-08-02 10:38:02 +0100 |
|---|---|---|
| committer | Dylan Johnson <Dylan.Johnson@ARM.com> | 2016-08-02 10:38:02 +0100 |
| commit | 2950a95672599a9baf9007c18faf210ff9c3e392 (patch) | |
| tree | ca19e4c650f16aad2a0a377b72ae287e248b5250 /src/arch/arm/faults.cc | |
| parent | c53a57f74f31c2593665bae716c5c3679aab5595 (diff) | |
| download | gem5-2950a95672599a9baf9007c18faf210ff9c3e392.tar.xz | |
arm: Add AArch64 hypervisor call instruction 'hvc'
This patch adds the AArch64 instruction hvc which raises an exception
from EL1 into EL2. The host OS uses this instruction to world switch
into the guest.
Change-Id: I930ee43f4f0abd4b35a68eb2a72e44e3ea6570be
Diffstat (limited to 'src/arch/arm/faults.cc')
| -rw-r--r-- | src/arch/arm/faults.cc | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/arch/arm/faults.cc b/src/arch/arm/faults.cc index e7a461ef6..061e1299a 100644 --- a/src/arch/arm/faults.cc +++ b/src/arch/arm/faults.cc @@ -841,6 +841,12 @@ HypervisorCall::HypervisorCall(ExtMachInst _machInst, uint32_t _imm) : {} ExceptionClass +HypervisorCall::ec(ThreadContext *tc) const +{ + return from64 ? EC_HVC_64 : vals.ec; +} + +ExceptionClass HypervisorTrap::ec(ThreadContext *tc) const { return (overrideEc != EC_INVALID) ? overrideEc : vals.ec; |