diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2024-01-18 22:08:16 +1000 |
|---|---|---|
| committer | Nicholas Piggin <npiggin@gmail.com> | 2024-03-13 02:47:04 +1000 |
| commit | 17aa684ff7941f44af57cbb1c7b46bf5dc4f4fe2 (patch) | |
| tree | 601301e2f853126afa56ac0c51cf57a3657f05fc /hw/ppc | |
| parent | a5a5778622d8104b7184ba61bd16d5968195dce1 (diff) | |
| download | qemu-17aa684ff7941f44af57cbb1c7b46bf5dc4f4fe2.zip qemu-17aa684ff7941f44af57cbb1c7b46bf5dc4f4fe2.tar.gz qemu-17aa684ff7941f44af57cbb1c7b46bf5dc4f4fe2.tar.bz2 | |
ppc/spapr: Remove copy-paste from pa-features
TCG does not support copy/paste instructions. Remove it from
ibm,pa-features. This has never been implemented under TCG or
practically usable under KVM, so it won't be missed.
Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Diffstat (limited to 'hw/ppc')
| -rw-r--r-- | hw/ppc/spapr.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 3108d7c..4192cd8 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -237,6 +237,10 @@ static void spapr_dt_pa_features(SpaprMachineState *spapr, * SSO (SAO) ordering is supported on KVM and thread=single hosts, * but not MTTCG, so disable it. To advertise it, a cap would have * to be added, or support implemented for MTTCG. + * + * Copy/paste is not supported by TCG, so it is not advertised. KVM + * can execute them but it has no accelerator drivers which are usable, + * so there isn't much need for it anyway. */ uint8_t pa_features_206[] = { 6, 0, @@ -260,8 +264,8 @@ static void spapr_dt_pa_features(SpaprMachineState *spapr, 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 */ + /* 36: SPR SO, 40: Radix MMU */ + 0x80, 0x00, 0x00, 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 */ |