diff options
| author | Bharat Bhushan <r65777@freescale.com> | 2013-07-04 12:27:45 +0530 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2013-10-17 14:49:39 +0200 |
| commit | b12c784123ff805c066449ca580f15a903c24994 (patch) | |
| tree | 9fe3eadbff1e5acae7ad3c9b05c0fd349af1439c /arch/powerpc/include/asm | |
| parent | fc82cf113bded906e0fc1d4a8636a6776670b1c5 (diff) | |
KVM: PPC: E500: exit to user space on "ehpriv 1" instruction
"ehpriv 1" 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.
As this is the first point we are using run->debug, also defined
the run->debug structure.
Signed-off-by: Bharat Bhushan <bharat.bhushan@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'arch/powerpc/include/asm')
| -rw-r--r-- | arch/powerpc/include/asm/disassemble.h | 4 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/kvm_booke.h | 7 |
2 files changed, 10 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/disassemble.h b/arch/powerpc/include/asm/disassemble.h index 9b198d1b3b2..856f8deb557 100644 --- a/arch/powerpc/include/asm/disassemble.h +++ b/arch/powerpc/include/asm/disassemble.h @@ -77,4 +77,8 @@ static inline unsigned int get_d(u32 inst) return inst & 0xffff; } +static inline unsigned int get_oc(u32 inst) +{ + return (inst >> 11) & 0x7fff; +} #endif /* __ASM_PPC_DISASSEMBLE_H__ */ diff --git a/arch/powerpc/include/asm/kvm_booke.h b/arch/powerpc/include/asm/kvm_booke.h index d3c1eb34c98..dd8f61510df 100644 --- a/arch/powerpc/include/asm/kvm_booke.h +++ b/arch/powerpc/include/asm/kvm_booke.h @@ -26,7 +26,12 @@ /* LPIDs we support with this build -- runtime limit may be lower */ #define KVMPPC_NR_LPIDS 64 -#define KVMPPC_INST_EHPRIV 0x7c00021c +#define KVMPPC_INST_EHPRIV 0x7c00021c +#define EHPRIV_OC_SHIFT 11 +/* "ehpriv 1" : ehpriv with OC = 1 is used for debug emulation */ +#define EHPRIV_OC_DEBUG 1 +#define KVMPPC_INST_EHPRIV_DEBUG (KVMPPC_INST_EHPRIV | \ + (EHPRIV_OC_DEBUG << EHPRIV_OC_SHIFT)) static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val) { |