diff options
Diffstat (limited to 'target-ppc/op_helper.c')
| -rw-r--r-- | target-ppc/op_helper.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c index f5d26aeaa3..6ed9c95331 100644 --- a/target-ppc/op_helper.c +++ b/target-ppc/op_helper.c @@ -1701,12 +1701,23 @@ void do_POWER_rfsvc (void) __do_rfi(env->lr, env->ctr, 0x0000FFFF, 0); } -/* PowerPC 601 BAT management helper */ -void do_store_601_batu (int nr) +void do_store_hid0_601 (void) { - do_store_ibatu(env, nr, (uint32_t)T0); - env->DBAT[0][nr] = env->IBAT[0][nr]; - env->DBAT[1][nr] = env->IBAT[1][nr]; + uint32_t hid0; + + hid0 = env->spr[SPR_HID0]; + if ((T0 ^ hid0) & 0x00000008) { + /* Change current endianness */ + env->hflags &= ~(1 << MSR_LE); + env->hflags_nmsr &= ~(1 << MSR_LE); + env->hflags_nmsr |= (1 << MSR_LE) & (((T0 >> 3) & 1) << MSR_LE); + env->hflags |= env->hflags_nmsr; + if (loglevel != 0) { + fprintf(logfile, "%s: set endianness to %c => " ADDRX "\n", + __func__, T0 & 0x8 ? 'l' : 'b', env->hflags); + } + } + env->spr[SPR_HID0] = T0; } #endif |