Reviewed-by: Glenn Miles <mil...@linux.ibm.com> Thanks,
Glenn On Tue, 2024-05-21 at 11:30 +1000, Nicholas Piggin wrote: > LDBAR, TTR are a Power-specific SPRs. These simple implementations > are enough for IBM proprietary firmware for now. > > Signed-off-by: Nicholas Piggin <npig...@gmail.com> > --- > target/ppc/cpu.h | 2 ++ > target/ppc/cpu_init.c | 10 ++++++++++ > 2 files changed, 12 insertions(+) > > diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h > index 141cbefb4c..823be85d03 100644 > --- a/target/ppc/cpu.h > +++ b/target/ppc/cpu.h > @@ -2098,6 +2098,7 @@ void ppc_compat_add_property(Object *obj, const > char *name, > #define SPR_DEXCR (0x33C) > #define SPR_IC (0x350) > #define SPR_VTB (0x351) > +#define SPR_LDBAR (0x352) > #define SPR_MMCRC (0x353) > #define SPR_PSSCR (0x357) > #define SPR_440_INV0 (0x370) > @@ -2144,6 +2145,7 @@ void ppc_compat_add_property(Object *obj, const > char *name, > #define SPR_440_IVLIM (0x399) > #define SPR_TSCR (0x399) > #define SPR_750_DMAU (0x39A) > +#define SPR_POWER_TTR (0x39A) > #define SPR_750_DMAL (0x39B) > #define SPR_440_RSTCFG (0x39B) > #define SPR_BOOKE_DCDBTRL (0x39C) > diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c > index 023b58a3ac..7f2f8e5a4a 100644 > --- a/target/ppc/cpu_init.c > +++ b/target/ppc/cpu_init.c > @@ -5784,6 +5784,16 @@ static void > register_power_common_book4_sprs(CPUPPCState *env) > &spr_access_nop, &spr_write_generic, > &spr_access_nop, &spr_write_generic, > 0x00000000); > + spr_register_hv(env, SPR_LDBAR, "LDBAR", > + SPR_NOACCESS, SPR_NOACCESS, > + SPR_NOACCESS, SPR_NOACCESS, > + &spr_read_generic, &spr_core_lpar_write_generic, > + 0x00000000); > + spr_register_hv(env, SPR_POWER_TTR, "TTR", > + SPR_NOACCESS, SPR_NOACCESS, > + SPR_NOACCESS, SPR_NOACCESS, > + &spr_read_generic, &spr_core_write_generic, > + 0x00000000); > #endif > } >
