diff --git a/target/i386/machine.c b/target/i386/machine.c index 7c54bada81..cecd476e98 100644 --- a/target/i386/machine.c +++ b/target/i386/machine.c @@ -136,6 +136,22 @@ static const VMStateDescription vmstate_mtrr_var = { #define VMSTATE_MTRR_VARS(_field, _state, _n, _v) \ VMSTATE_STRUCT_ARRAY(_field, _state, _n, _v, vmstate_mtrr_var, MTRRVar) +static const VMStateDescription vmstate_lbr_records_var = { + .name = "lbr_records_var", + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_UINT64(from, LBREntry), + VMSTATE_UINT64(to, LBREntry), + VMSTATE_UINT64(info, LBREntry), + VMSTATE_END_OF_LIST() + } +}; + +#define VMSTATE_LBR_VARS(_field, _state, _n, _v) \ + VMSTATE_STRUCT_ARRAY(_field, _state, _n, _v, vmstate_lbr_records_var, \ + LBREntry) + typedef struct x86_FPReg_tmp { FPReg *parent; uint64_t tmp_mant; @@ -1525,6 +1541,27 @@ static const VMStateDescription vmstate_amx_xtile = { }; #endif +static bool arch_lbr_needed(void *opaque) +{ + X86CPU *cpu = opaque; + CPUX86State *env = &cpu->env; + + return !!(env->features[FEAT_7_0_EDX] & CPUID_7_0_EDX_ARCH_LBR); +} + +static const VMStateDescription vmstate_arch_lbr = { + .name = "cpu/arch_lbr", + .version_id = 1, + .minimum_version_id = 1, + .needed = arch_lbr_needed, + .fields = (VMStateField[]) { + VMSTATE_UINT64(env.msr_lbr_ctl, X86CPU), + VMSTATE_UINT64(env.msr_lbr_depth, X86CPU), + VMSTATE_LBR_VARS(env.lbr_records, X86CPU, ARCH_LBR_NR_ENTRIES, 1), + VMSTATE_END_OF_LIST() + } +}; + const VMStateDescription vmstate_x86_cpu = { .name = "cpu", .version_id = 12, @@ -1668,6 +1705,7 @@ const VMStateDescription vmstate_x86_cpu = { #ifdef TARGET_X86_64 &vmstate_amx_xtile, #endif + &vmstate_arch_lbr, NULL } };