diff options
Diffstat (limited to 'target')
| -rw-r--r-- | target/ppc/kvm.c | 59 |
1 files changed, 39 insertions, 20 deletions
diff --git a/target/ppc/kvm.c b/target/ppc/kvm.c index cbe13b18d1..2c0c34e125 100644 --- a/target/ppc/kvm.c +++ b/target/ppc/kvm.c @@ -2412,6 +2412,41 @@ bool kvmppc_has_cap_mmu_hash_v3(void) return cap_mmu_hash_v3; } +static int parse_cap_ppc_safe_cache(struct kvm_ppc_cpu_char c) +{ + if (~c.behaviour & c.behaviour_mask & H_CPU_BEHAV_L1D_FLUSH_PR) { + return 2; + } else if ((c.character & c.character_mask & H_CPU_CHAR_L1D_THREAD_PRIV) && + (c.character & c.character_mask + & (H_CPU_CHAR_L1D_FLUSH_ORI30 | H_CPU_CHAR_L1D_FLUSH_TRIG2))) { + return 1; + } + + return 0; +} + +static int parse_cap_ppc_safe_bounds_check(struct kvm_ppc_cpu_char c) +{ + if (~c.behaviour & c.behaviour_mask & H_CPU_BEHAV_BNDS_CHK_SPEC_BAR) { + return 2; + } else if (c.character & c.character_mask & H_CPU_CHAR_SPEC_BAR_ORI31) { + return 1; + } + + return 0; +} + +static int parse_cap_ppc_safe_indirect_branch(struct kvm_ppc_cpu_char c) +{ + if (c.character & c.character_mask & H_CPU_CHAR_CACHE_COUNT_DIS) { + return SPAPR_CAP_FIXED_CCD; + } else if (c.character & c.character_mask & H_CPU_CHAR_BCCTRL_SERIALISED) { + return SPAPR_CAP_FIXED_IBS; + } + + return 0; +} + static void kvmppc_get_cpu_characteristics(KVMState *s) { struct kvm_ppc_cpu_char c; @@ -2430,26 +2465,10 @@ static void kvmppc_get_cpu_characteristics(KVMState *s) if (ret < 0) { return; } - /* Parse and set cap_ppc_safe_cache */ - if (~c.behaviour & c.behaviour_mask & H_CPU_BEHAV_L1D_FLUSH_PR) { - cap_ppc_safe_cache = 2; - } else if ((c.character & c.character_mask & H_CPU_CHAR_L1D_THREAD_PRIV) && - (c.character & c.character_mask - & (H_CPU_CHAR_L1D_FLUSH_ORI30 | H_CPU_CHAR_L1D_FLUSH_TRIG2))) { - cap_ppc_safe_cache = 1; - } - /* Parse and set cap_ppc_safe_bounds_check */ - if (~c.behaviour & c.behaviour_mask & H_CPU_BEHAV_BNDS_CHK_SPEC_BAR) { - cap_ppc_safe_bounds_check = 2; - } else if (c.character & c.character_mask & H_CPU_CHAR_SPEC_BAR_ORI31) { - cap_ppc_safe_bounds_check = 1; - } - /* Parse and set cap_ppc_safe_indirect_branch */ - if (c.character & c.character_mask & H_CPU_CHAR_CACHE_COUNT_DIS) { - cap_ppc_safe_indirect_branch = SPAPR_CAP_FIXED_CCD; - } else if (c.character & c.character_mask & H_CPU_CHAR_BCCTRL_SERIALISED) { - cap_ppc_safe_indirect_branch = SPAPR_CAP_FIXED_IBS; - } + + cap_ppc_safe_cache = parse_cap_ppc_safe_cache(c); + cap_ppc_safe_bounds_check = parse_cap_ppc_safe_bounds_check(c); + cap_ppc_safe_indirect_branch = parse_cap_ppc_safe_indirect_branch(c); } int kvmppc_get_cap_safe_cache(void) |