Recent Linux kernels save and restore the PPR across exceptions so we need to handle it.
Signed-off-by: Anton Blanchard <an...@au1.ibm.com> --- Index: b/target-ppc/translate_init.c =================================================================== --- a/target-ppc/translate_init.c +++ b/target-ppc/translate_init.c @@ -7010,6 +7010,10 @@ static void init_proc_POWER7 (CPUPPCStat &spr_read_generic, &spr_write_generic, &spr_read_generic, &spr_write_generic, 0x00000000); + spr_register(env, SPR_PPR, "PPR", + &spr_read_generic, &spr_write_generic, + &spr_read_generic, &spr_write_generic, + 0x00000000); #if !defined(CONFIG_USER_ONLY) env->slb_nr = 32; #endif