diff options
| -rw-r--r-- | target/arm/hvf/hvf.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c index f68924ba1f..7515e59c56 100644 --- a/target/arm/hvf/hvf.c +++ b/target/arm/hvf/hvf.c @@ -403,6 +403,26 @@ struct hvf_sreg_match { uint32_t cp_idx; }; +/* + * QEMU uses KVM system register ids in the migration format. + * Conveniently, HVF uses the same encoding of the op* and cr* parameters + * within the low 16 bits of the ids. Thus conversion between the + * formats is trivial. + */ + +#define KVMID_TO_HVF(KVM) ((KVM) & 0xffff) +#define HVF_TO_KVMID(HVF) \ + (CP_REG_ARM64 | CP_REG_SIZE_U64 | CP_REG_ARM64_SYSREG | (HVF)) + +/* Verify this at compile-time. */ + +#define DEF_SYSREG(HVF_ID, ...) \ + QEMU_BUILD_BUG_ON(HVF_ID != KVMID_TO_HVF(KVMID_AA64_SYS_REG64(__VA_ARGS__))); + +#include "sysreg.c.inc" + +#undef DEF_SYSREG + #define DEF_SYSREG(HVF_ID, op0, op1, crn, crm, op2) \ { HVF_ID, HVF_SYSREG(crn, crm, op0, op1, op2) }, |