diff options
Diffstat (limited to 'target-arm/cpu-qom.h')
| -rw-r--r-- | target-arm/cpu-qom.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/target-arm/cpu-qom.h b/target-arm/cpu-qom.h index 12fcefe0c6..25239b8952 100644 --- a/target-arm/cpu-qom.h +++ b/target-arm/cpu-qom.h @@ -62,6 +62,29 @@ typedef struct ARMCPU { /* Coprocessor information */ GHashTable *cp_regs; + /* For marshalling (mostly coprocessor) register state between the + * kernel and QEMU (for KVM) and between two QEMUs (for migration), + * we use these arrays. + */ + /* List of register indexes managed via these arrays; (full KVM style + * 64 bit indexes, not CPRegInfo 32 bit indexes) + */ + uint64_t *cpreg_indexes; + /* Values of the registers (cpreg_indexes[i]'s value is cpreg_values[i]) */ + uint64_t *cpreg_values; + /* When using KVM, keeps a copy of the initial state of the VCPU, + * so that on reset we can feed the reset values back into the kernel. + */ + uint64_t *cpreg_reset_values; + /* Length of the indexes, values, reset_values arrays */ + int32_t cpreg_array_len; + /* These are used only for migration: incoming data arrives in + * these fields and is sanity checked in post_load before copying + * to the working data structures above. + */ + uint64_t *cpreg_vmstate_indexes; + uint64_t *cpreg_vmstate_values; + int32_t cpreg_vmstate_array_len; /* The instance init functions for implementation-specific subclasses * set these fields to specify the implementation-dependent values of @@ -116,6 +139,7 @@ extern const struct VMStateDescription vmstate_arm_cpu; #endif void register_cp_regs_for_features(ARMCPU *cpu); +void init_cpreg_list(ARMCPU *cpu); void arm_cpu_do_interrupt(CPUState *cpu); void arm_v7m_cpu_do_interrupt(CPUState *cpu); |