This adds TIR (Thread Identification Register) SPR first defined for server CPUs in PowerISA 2.07.
Signed-off-by: Alexey Kardashevskiy <a...@ozlabs.ru> --- Changes: v5: * TIR is defined for servers from 2.07 so it is power8 only v4: * disabled reading it from user space --- target-ppc/cpu.h | 1 + target-ppc/translate_init.c | 10 ++++++++++ 2 files changed, 11 insertions(+) diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h index 8955f29..3a578e6 100644 --- a/target-ppc/cpu.h +++ b/target-ppc/cpu.h @@ -1374,6 +1374,7 @@ static inline int cpu_mmu_index (CPUPPCState *env) #define SPR_BOOKE_GIVOR8 (0x1BB) #define SPR_BOOKE_GIVOR13 (0x1BC) #define SPR_BOOKE_GIVOR14 (0x1BD) +#define SPR_TIR (0x1BE) #define SPR_BOOKE_SPEFSCR (0x200) #define SPR_Exxx_BBEAR (0x201) #define SPR_Exxx_BBTAR (0x202) diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c index 7eb02ac..1df69e0 100644 --- a/target-ppc/translate_init.c +++ b/target-ppc/translate_init.c @@ -7518,6 +7518,15 @@ static void gen_spr_book3s_ids(CPUPPCState *env) 0x00000000); } +static void gen_spr_power8_ids(CPUPPCState *env) +{ + /* Thread identification */ + spr_register(env, SPR_TIR, "TIR", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, SPR_NOACCESS, + 0x00000000); +} + static void gen_spr_book3s_purr(CPUPPCState *env) { #if !defined(CONFIG_USER_ONLY) @@ -7621,6 +7630,7 @@ static void init_proc_book3s_64(CPUPPCState *env, int version) } if (version >= BOOK3S_CPU_POWER8) { gen_spr_power8_tce_address_control(env); + gen_spr_power8_ids(env); } #if !defined(CONFIG_USER_ONLY) switch (version) { -- 2.0.0