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[1/8] target/ppc: POWER10 does not have transactional memory

Message ID 20240118140942.164319-2-npiggin@gmail.com
State New
Headers show
Series ppc: Update targets for Power machines (spapr and pnv) | expand

Commit Message

Nicholas Piggin Jan. 18, 2024, 2:09 p.m. UTC
POWER10 hardware implements a degenerate transactional memory facility
in POWER8/9 PCR compatibility modes to permit migration from older
CPUs, but POWER10 / ISA v3.1 mode does not support it so the CPU model
should not support it.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
 target/ppc/cpu_init.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c
index 9df606d523..5c1d0adca8 100644
--- a/target/ppc/cpu_init.c
+++ b/target/ppc/cpu_init.c
@@ -6576,7 +6576,7 @@  POWERPC_FAMILY(POWER10)(ObjectClass *oc, void *data)
                         PPC2_FP_TST_ISA206 | PPC2_BCTAR_ISA207 |
                         PPC2_LSQ_ISA207 | PPC2_ALTIVEC_207 |
                         PPC2_ISA205 | PPC2_ISA207S | PPC2_FP_CVT_S64 |
-                        PPC2_TM | PPC2_ISA300 | PPC2_PRCNTL | PPC2_ISA310 |
+                        PPC2_ISA300 | PPC2_PRCNTL | PPC2_ISA310 |
                         PPC2_MEM_LWSYNC | PPC2_BCDA_ISA206;
     pcc->msr_mask = (1ull << MSR_SF) |
                     (1ull << MSR_HV) |
@@ -6620,7 +6620,7 @@  POWERPC_FAMILY(POWER10)(ObjectClass *oc, void *data)
     pcc->flags = POWERPC_FLAG_VRE | POWERPC_FLAG_SE |
                  POWERPC_FLAG_BE | POWERPC_FLAG_PMM |
                  POWERPC_FLAG_BUS_CLK | POWERPC_FLAG_CFAR |
-                 POWERPC_FLAG_VSX | POWERPC_FLAG_TM | POWERPC_FLAG_SCV;
+                 POWERPC_FLAG_VSX | POWERPC_FLAG_SCV;
     pcc->l1_dcache_size = 0x8000;
     pcc->l1_icache_size = 0x8000;
 }