diff options
Diffstat (limited to 'hw/mips_r4k.c')
| -rw-r--r-- | hw/mips_r4k.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/hw/mips_r4k.c b/hw/mips_r4k.c index 6b6b6cb33b..0cb11683ae 100644 --- a/hw/mips_r4k.c +++ b/hw/mips_r4k.c @@ -27,11 +27,14 @@ void cpu_mips_irqctrl_init (void) { } +/* XXX: do not use a global */ uint32_t cpu_mips_get_random (CPUState *env) { - uint32_t now = qemu_get_clock(vm_clock); - - return now % (MIPS_TLB_NB - env->CP0_Wired) + env->CP0_Wired; + static uint32_t seed = 0; + uint32_t idx; + seed = seed * 314159 + 1; + idx = (seed >> 16) % (MIPS_TLB_NB - env->CP0_Wired) + env->CP0_Wired; + return idx; } /* MIPS R4K timer */ |