diff options
Diffstat (limited to 'target-ppc/op_helper.c')
| -rw-r--r-- | target-ppc/op_helper.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c index a5bd973..f93adfa 100644 --- a/target-ppc/op_helper.c +++ b/target-ppc/op_helper.c @@ -1999,24 +1999,39 @@ void do_store_403_pb (int num) #endif /* 440 specific */ -void do_440_dlmzb (void) +target_ulong helper_dlmzb (target_ulong high, target_ulong low, uint32_t update_Rc) { target_ulong mask; int i; i = 1; for (mask = 0xFF000000; mask != 0; mask = mask >> 8) { - if ((T0 & mask) == 0) + if ((high & mask) == 0) { + if (update_Rc) { + env->crf[0] = 0x4; + } goto done; + } i++; } for (mask = 0xFF000000; mask != 0; mask = mask >> 8) { - if ((T1 & mask) == 0) - break; + if ((low & mask) == 0) { + if (update_Rc) { + env->crf[0] = 0x8; + } + goto done; + } i++; } + if (update_Rc) { + env->crf[0] = 0x2; + } done: - T0 = i; + env->xer = (env->xer & ~0x7F) | i; + if (update_Rc) { + env->crf[0] |= xer_so; + } + return i; } /*****************************************************************************/ |