diff options
Diffstat (limited to 'target-arm/cpu.h')
| -rw-r--r-- | target-arm/cpu.h | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/target-arm/cpu.h b/target-arm/cpu.h index cd7a9e8..97f0c13 100644 --- a/target-arm/cpu.h +++ b/target-arm/cpu.h @@ -1110,8 +1110,14 @@ static inline uint64_t cpreg_to_kvm_id(uint32_t cpregid) * a register definition to override a previous definition for the * same (cp, is64, crn, crm, opc1, opc2) tuple: either the new or the * old must have the OVERRIDE bit set. - * NO_MIGRATE indicates that this register should be ignored for migration; - * (eg because any state is accessed via some other coprocessor register). + * ALIAS indicates that this register is an alias view of some underlying + * state which is also visible via another register, and that the other + * register is handling migration; registers marked ALIAS will not be migrated + * but may have their state set by syncing of register state from KVM. + * NO_RAW indicates that this register has no underlying state and does not + * support raw access for state saving/loading; it will not be used for either + * migration or KVM state synchronization. (Typically this is for "registers" + * which are actually used as instructions for cache maintenance and so on.) * IO indicates that this register does I/O and therefore its accesses * need to be surrounded by gen_io_start()/gen_io_end(). In particular, * registers which implement clocks or timers require this. @@ -1121,8 +1127,9 @@ static inline uint64_t cpreg_to_kvm_id(uint32_t cpregid) #define ARM_CP_64BIT 4 #define ARM_CP_SUPPRESS_TB_END 8 #define ARM_CP_OVERRIDE 16 -#define ARM_CP_NO_MIGRATE 32 +#define ARM_CP_ALIAS 32 #define ARM_CP_IO 64 +#define ARM_CP_NO_RAW 128 #define ARM_CP_NOP (ARM_CP_SPECIAL | (1 << 8)) #define ARM_CP_WFI (ARM_CP_SPECIAL | (2 << 8)) #define ARM_CP_NZCV (ARM_CP_SPECIAL | (3 << 8)) @@ -1132,7 +1139,7 @@ static inline uint64_t cpreg_to_kvm_id(uint32_t cpregid) /* Used only as a terminator for ARMCPRegInfo lists */ #define ARM_CP_SENTINEL 0xffff /* Mask of only the flag bits in a type field */ -#define ARM_CP_FLAG_MASK 0x7f +#define ARM_CP_FLAG_MASK 0xff /* Valid values for ARMCPRegInfo state field, indicating which of * the AArch32 and AArch64 execution states this register is visible in. |