diff options
| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2016-06-21 23:48:55 +0200 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2016-06-23 12:43:54 +1000 |
| commit | 7778a575c7055276afdd01737e9d1029a65f923d (patch) | |
| tree | 5e9323df82c440327f9f21d5c1c54cc041f34213 /target-ppc/translate.c | |
| parent | b9971cc53e31d0c6139dd74acd879d8a902577ef (diff) | |
ppc: Add P7/P8 Power Management instructions
This adds the ISA 2.06 and later power management instructions
(doze, nap, sleep and rvwinkle) and associated wakeup cause testing
in LPCR
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
[clg: fixed checkpatch.pl errors ]
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'target-ppc/translate.c')
| -rw-r--r-- | target-ppc/translate.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/target-ppc/translate.c b/target-ppc/translate.c index fcead98fe5..2f1c59166e 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -3603,6 +3603,68 @@ static void gen_wait(DisasContext *ctx) gen_exception_err(ctx, EXCP_HLT, 1); } +#if defined(TARGET_PPC64) +static void gen_doze(DisasContext *ctx) +{ +#if defined(CONFIG_USER_ONLY) + GEN_PRIV; +#else + TCGv_i32 t; + + CHK_HV; + t = tcg_const_i32(PPC_PM_DOZE); + gen_helper_pminsn(cpu_env, t); + tcg_temp_free_i32(t); + gen_stop_exception(ctx); +#endif /* defined(CONFIG_USER_ONLY) */ +} + +static void gen_nap(DisasContext *ctx) +{ +#if defined(CONFIG_USER_ONLY) + GEN_PRIV; +#else + TCGv_i32 t; + + CHK_HV; + t = tcg_const_i32(PPC_PM_NAP); + gen_helper_pminsn(cpu_env, t); + tcg_temp_free_i32(t); + gen_stop_exception(ctx); +#endif /* defined(CONFIG_USER_ONLY) */ +} + +static void gen_sleep(DisasContext *ctx) +{ +#if defined(CONFIG_USER_ONLY) + GEN_PRIV; +#else + TCGv_i32 t; + + CHK_HV; + t = tcg_const_i32(PPC_PM_SLEEP); + gen_helper_pminsn(cpu_env, t); + tcg_temp_free_i32(t); + gen_stop_exception(ctx); +#endif /* defined(CONFIG_USER_ONLY) */ +} + +static void gen_rvwinkle(DisasContext *ctx) +{ +#if defined(CONFIG_USER_ONLY) + GEN_PRIV; +#else + TCGv_i32 t; + + CHK_HV; + t = tcg_const_i32(PPC_PM_RVWINKLE); + gen_helper_pminsn(cpu_env, t); + tcg_temp_free_i32(t); + gen_stop_exception(ctx); +#endif /* defined(CONFIG_USER_ONLY) */ +} +#endif /* #if defined(TARGET_PPC64) */ + /*** Floating-point load ***/ #define GEN_LDF(name, ldop, opc, type) \ static void glue(gen_, name)(DisasContext *ctx) \ @@ -9911,6 +9973,10 @@ GEN_HANDLER(mcrf, 0x13, 0x00, 0xFF, 0x00000001, PPC_INTEGER), GEN_HANDLER(rfi, 0x13, 0x12, 0x01, 0x03FF8001, PPC_FLOW), #if defined(TARGET_PPC64) GEN_HANDLER(rfid, 0x13, 0x12, 0x00, 0x03FF8001, PPC_64B), +GEN_HANDLER_E(doze, 0x13, 0x12, 0x0c, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206), +GEN_HANDLER_E(nap, 0x13, 0x12, 0x0d, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206), +GEN_HANDLER_E(sleep, 0x13, 0x12, 0x0e, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206), +GEN_HANDLER_E(rvwinkle, 0x13, 0x12, 0x0f, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206), GEN_HANDLER(hrfid, 0x13, 0x12, 0x08, 0x03FF8001, PPC_64H), #endif GEN_HANDLER(sc, 0x11, 0xFF, 0xFF, 0x03FFF01D, PPC_FLOW), |