diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/ppc_prep.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/hw/ppc_prep.c b/hw/ppc_prep.c index 1d6634cde3..d33cf5d9ad 100644 --- a/hw/ppc_prep.c +++ b/hw/ppc_prep.c @@ -564,8 +564,13 @@ static void ppc_prep_init (int ram_size, int vga_ram_size, fprintf(stderr, "Unable to find PowerPC CPU definition\n"); exit(1); } - /* Set time-base frequency to 100 Mhz */ - cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL); + if (env->flags & POWERPC_FLAG_RTC_CLK) { + /* POWER / PowerPC 601 RTC clock frequency is 7.8125 MHz */ + cpu_ppc_tb_init(env, 7812500UL); + } else { + /* Set time-base frequency to 100 Mhz */ + cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL); + } qemu_register_reset(&cpu_ppc_reset, env); register_savevm("cpu", 0, 3, cpu_save, cpu_load, env); envs[i] = env; |