diff options
Diffstat (limited to 'target/ppc/cpu_init.c')
| -rw-r--r-- | target/ppc/cpu_init.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c index 5aa0b3f0f1..05bf73296b 100644 --- a/target/ppc/cpu_init.c +++ b/target/ppc/cpu_init.c @@ -6284,9 +6284,26 @@ static bool ppc_pvr_match_power9(PowerPCCPUClass *pcc, uint32_t pvr, bool best) return false; } - if ((pvr & 0x0f00) == (pcc->pvr & 0x0f00)) { - /* Major DD version matches to power9_v1.0 and power9_v2.0 */ + if ((pvr & 0x0f00) != (pcc->pvr & 0x0f00)) { + /* Major DD version does not match */ + return false; + } + + if ((pvr & 0x0f00) == 0x100) { + /* DD1.x always matches power9_v1.0 */ return true; + } else if ((pvr & 0x0f00) == 0x200) { + if ((pvr & 0xf) < 2) { + /* DD2.0, DD2.1 match power9_v2.0 */ + if ((pcc->pvr & 0xf) == 0) { + return true; + } + } else { + /* DD2.2, DD2.3 match power9_v2.2 */ + if ((pcc->pvr & 0xf) == 2) { + return true; + } + } } return false; |