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| author | Bharat Bhushan <bharat.bhushan@freescale.com> | 2013-04-08 00:32:16 (GMT) |
|---|---|---|
| committer | Andy Fleming <afleming@freescale.com> | 2013-04-17 21:26:59 (GMT) |
| commit | fcb86a8331691faae5200d522a22dab122897da3 (patch) | |
| tree | fde3022964ccedf0b52111091b041061ccc7639d /arch/powerpc/kvm/e500_emulate.c | |
| parent | 42258f1d3d183edaa8cbb3101808d6305393f50b (diff) | |
| download | linux-fsl-qoriq-fcb86a8331691faae5200d522a22dab122897da3.tar.xz | |
KVM: PPC: exit to user space on "ehpriv" instruction
"ehpriv" instruction is used for setting software breakpoints
by user space. This patch adds support to exit to user space
with "run->debug" have relevant information.
Signed-off-by: Bharat Bhushan <bharat.bhushan@freescale.com>
Signed-off-by: Stuart Yoder <stuart.yoder@freescale.com>
Diffstat (limited to 'arch/powerpc/kvm/e500_emulate.c')
| -rw-r--r-- | arch/powerpc/kvm/e500_emulate.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/e500_emulate.c b/arch/powerpc/kvm/e500_emulate.c index b80d4cd..26687c3 100644 --- a/arch/powerpc/kvm/e500_emulate.c +++ b/arch/powerpc/kvm/e500_emulate.c @@ -27,6 +27,7 @@ #define XOP_TLBRE 946 #define XOP_TLBWE 978 #define XOP_TLBILX 18 +#define XOP_EHPRIV 270 #ifdef CONFIG_KVM_E500MC static int dbell2prio(ulong param) @@ -139,6 +140,15 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu, emulated = EMULATE_FAIL; break; + case XOP_EHPRIV: + run->exit_reason = KVM_EXIT_DEBUG; + run->debug.arch.address = vcpu->arch.pc; + run->debug.arch.status = 0; + kvmppc_account_exit(vcpu, DEBUG_EXITS); + emulated = EMULATE_EXIT_USER; + *advance = 0; + break; + default: emulated = EMULATE_FAIL; } |