diff options
Diffstat (limited to 'hw/ppc/spapr.c')
| -rw-r--r-- | hw/ppc/spapr.c | 71 |
1 files changed, 58 insertions, 13 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 21da9a1d79..d967ec30b4 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -237,20 +237,31 @@ static void spapr_populate_pa_features(CPUPPCState *env, void *fdt, int offset) 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, 0x00, 0x00 }; - /* Currently we don't advertise any of the "new" ISAv3.00 functionality */ - uint8_t pa_features_300[] = { 64, 0, - 0xf6, 0x1f, 0xc7, 0xc0, 0x80, 0xf0, /* 0 - 5 */ - 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, /* 6 - 11 */ + uint8_t pa_features_300[] = { 66, 0, + /* 0: MMU|FPU|SLB|RUN|DABR|NX, 1: fri[nzpm]|DABRX|SPRG3|SLB0|PP110 */ + /* 2: VPM|DS205|PPR|DS202|DS206, 3: LSD|URG, SSO, 5: LE|CFAR|EB|LSQ */ + 0xf6, 0x1f, 0xc7, 0xc0, 0x80, 0xf0, /* 0 - 5 */ + /* 6: DS207 */ + 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, /* 6 - 11 */ + /* 16: Vector */ 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, /* 12 - 17 */ - 0x80, 0x00, 0x80, 0x00, 0x00, 0x00, /* 18 - 23 */ - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 24 - 29 */ - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 30 - 35 */ - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 36 - 41 */ - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 42 - 47 */ - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 48 - 53 */ - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 54 - 59 */ - 0x00, 0x00, 0x00, 0x00 }; /* 60 - 63 */ - + /* 18: Vec. Scalar, 20: Vec. XOR, 22: HTM */ + 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, /* 18 - 23 */ + /* 24: Ext. Dec, 26: 64 bit ftrs, 28: PM ftrs */ + 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, /* 24 - 29 */ + /* 30: MMR, 32: LE atomic, 34: EBB + ext EBB */ + 0x80, 0x00, 0x80, 0x00, 0xC0, 0x00, /* 30 - 35 */ + /* 36: SPR SO, 38: Copy/Paste, 40: Radix MMU */ + 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, /* 36 - 41 */ + /* 42: PM, 44: PC RA, 46: SC vec'd */ + 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, /* 42 - 47 */ + /* 48: SIMD, 50: QP BFP, 52: String */ + 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, /* 48 - 53 */ + /* 54: DecFP, 56: DecI, 58: SHA */ + 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, /* 54 - 59 */ + /* 60: NM atomic, 62: RNG */ + 0x80, 0x00, 0x80, 0x00, 0x00, 0x00, /* 60 - 65 */ + }; uint8_t *pa_features; size_t pa_size; @@ -856,6 +867,33 @@ static void spapr_dt_rtas(sPAPRMachineState *spapr, void *fdt) spapr_dt_rtas_tokens(fdt, rtas); } +/* Prepare ibm,arch-vec-5-platform-support, which indicates the MMU features + * that the guest may request and thus the valid values for bytes 24..26 of + * option vector 5: */ +static void spapr_dt_ov5_platform_support(void *fdt, int chosen) +{ + char val[2 * 3] = { + 24, 0x00, /* Hash/Radix, filled in below. */ + 25, 0x00, /* Hash options: Segment Tables == no, GTSE == no. */ + 26, 0x40, /* Radix options: GTSE == yes. */ + }; + + if (kvm_enabled()) { + if (kvmppc_has_cap_mmu_radix() && kvmppc_has_cap_mmu_hash_v3()) { + val[1] = 0x80; /* OV5_MMU_BOTH */ + } else if (kvmppc_has_cap_mmu_radix()) { + val[1] = 0x40; /* OV5_MMU_RADIX_300 */ + } else { + val[1] = 0x00; /* Hash */ + } + } else { + /* TODO: TCG case, hash */ + val[1] = 0x00; + } + _FDT(fdt_setprop(fdt, chosen, "ibm,arch-vec-5-platform-support", + val, sizeof(val))); +} + static void spapr_dt_chosen(sPAPRMachineState *spapr, void *fdt) { MachineState *machine = MACHINE(spapr); @@ -909,6 +947,8 @@ static void spapr_dt_chosen(sPAPRMachineState *spapr, void *fdt) _FDT(fdt_setprop_string(fdt, chosen, "linux,stdout-path", stdout_path)); } + spapr_dt_ov5_platform_support(fdt, chosen); + g_free(stdout_path); g_free(bootlist); } @@ -2078,6 +2118,11 @@ static void ppc_spapr_init(MachineState *machine) } spapr_ovec_set(spapr->ov5, OV5_FORM1_AFFINITY); + if (kvmppc_has_cap_mmu_radix()) { + /* KVM always allows GTSE with radix... */ + spapr_ovec_set(spapr->ov5, OV5_MMU_RADIX_GTSE); + } + /* ... but not with hash (currently). */ /* advertise support for dedicated HP event source to guests */ if (spapr->use_hotplug_event_source) { |