| Message ID | 1401187056-17519-19-git-send-email-aik@ozlabs.ru |
|---|---|
| State | New |
| Headers | show |
On 27.05.14 12:37, Alexey Kardashevskiy wrote: > This adds an FSCR (Facility Status and Control Register) SPR. > > Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> > --- > target-ppc/cpu.h | 1 + > target-ppc/translate_init.c | 9 +++++++++ > 2 files changed, 10 insertions(+) > > diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h > index d0238e6..c2a84fd 100644 > --- a/target-ppc/cpu.h > +++ b/target-ppc/cpu.h > @@ -1272,6 +1272,7 @@ static inline int cpu_mmu_index (CPUPPCState *env) > #define SPR_CTRL (0x098) > #define SPR_MPC_CMPE (0x098) > #define SPR_MPC_CMPF (0x099) > +#define SPR_FSCR (0x099) > #define SPR_MPC_CMPG (0x09A) > #define SPR_MPC_CMPH (0x09B) > #define SPR_MPC_LCTRL1 (0x09C) > diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c > index 6bcb41c..0682739 100644 > --- a/target-ppc/translate_init.c > +++ b/target-ppc/translate_init.c > @@ -7598,6 +7598,14 @@ static void gen_spr_power8_branch_control(CPUPPCState *env) > 0x00000000); > } > > +static void gen_spr_power8_common(CPUPPCState *env) This is part of the "facility" extension, no? Just call it that way :). > +{ > + spr_register_kvm(env, SPR_FSCR, "FSCR", > + SPR_NOACCESS, SPR_NOACCESS, > + &spr_read_generic, &spr_write_generic, I think we will need at least a tb_flush() on FSCR write to make sure that all translated "invalid instruction" operations get retranslated. Alex
diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h index d0238e6..c2a84fd 100644 --- a/target-ppc/cpu.h +++ b/target-ppc/cpu.h @@ -1272,6 +1272,7 @@ static inline int cpu_mmu_index (CPUPPCState *env) #define SPR_CTRL (0x098) #define SPR_MPC_CMPE (0x098) #define SPR_MPC_CMPF (0x099) +#define SPR_FSCR (0x099) #define SPR_MPC_CMPG (0x09A) #define SPR_MPC_CMPH (0x09B) #define SPR_MPC_LCTRL1 (0x09C) diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c index 6bcb41c..0682739 100644 --- a/target-ppc/translate_init.c +++ b/target-ppc/translate_init.c @@ -7598,6 +7598,14 @@ static void gen_spr_power8_branch_control(CPUPPCState *env) 0x00000000); } +static void gen_spr_power8_common(CPUPPCState *env) +{ + spr_register_kvm(env, SPR_FSCR, "FSCR", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + KVM_REG_PPC_FSCR, 0x00000000); +} + static void init_proc_POWER(CPUPPCState *env, int version) { gen_spr_ne_601(env); @@ -7640,6 +7648,7 @@ static void init_proc_POWER(CPUPPCState *env, int version) if (version >= BOOK3S_CPU_POWER8) { gen_spr_power8_branch_control(env); gen_spr_power8_pmu(env); + gen_spr_power8_common(env); } #if !defined(CONFIG_USER_ONLY) switch (version) {
This adds an FSCR (Facility Status and Control Register) SPR. Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> --- target-ppc/cpu.h | 1 + target-ppc/translate_init.c | 9 +++++++++ 2 files changed, 10 insertions(+)