From 016b6e1d9c78cd7981b3d9e8f4f3cedd2ba2055a Mon Sep 17 00:00:00 2001 From: Leandro Lupori Date: Tue, 12 Jul 2022 16:37:40 -0300 Subject: target/ppc: Move tlbie[l] to decode tree Also decode RIC, PRS and R operands. Signed-off-by: Leandro Lupori Reviewed-by: Daniel Henrique Barboza Message-Id: <20220712193741.59134-2-leandro.lupori@eldorado.org.br> [danielhb: mark bit 31 in @X_tlbie pattern as ignored] Signed-off-by: Daniel Henrique Barboza --- target/ppc/cpu_init.c | 4 +- target/ppc/insn32.decode | 8 +++ target/ppc/translate.c | 64 +------------------- target/ppc/translate/storage-ctrl-impl.c.inc | 87 ++++++++++++++++++++++++++++ 4 files changed, 99 insertions(+), 64 deletions(-) create mode 100644 target/ppc/translate/storage-ctrl-impl.c.inc (limited to 'target') diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c index 769031375d..4f2355e941 100644 --- a/target/ppc/cpu_init.c +++ b/target/ppc/cpu_init.c @@ -6373,7 +6373,7 @@ POWERPC_FAMILY(POWER9)(ObjectClass *oc, void *data) PPC_FLOAT_EXT | PPC_CACHE | PPC_CACHE_ICBI | PPC_CACHE_DCBZ | PPC_MEM_SYNC | PPC_MEM_EIEIO | - PPC_MEM_TLBSYNC | + PPC_MEM_TLBIE | PPC_MEM_TLBSYNC | PPC_64B | PPC_64H | PPC_64BX | PPC_ALTIVEC | PPC_SEGMENT_64B | PPC_SLBI | PPC_POPCNTB | PPC_POPCNTWD | @@ -6591,7 +6591,7 @@ POWERPC_FAMILY(POWER10)(ObjectClass *oc, void *data) PPC_FLOAT_EXT | PPC_CACHE | PPC_CACHE_ICBI | PPC_CACHE_DCBZ | PPC_MEM_SYNC | PPC_MEM_EIEIO | - PPC_MEM_TLBSYNC | + PPC_MEM_TLBIE | PPC_MEM_TLBSYNC | PPC_64B | PPC_64H | PPC_64BX | PPC_ALTIVEC | PPC_SEGMENT_64B | PPC_SLBI | PPC_POPCNTB | PPC_POPCNTWD | diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index f7653ef9d5..092e01113f 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -856,3 +856,11 @@ VMODSD 000100 ..... ..... ..... 11111001011 @VX VMODUD 000100 ..... ..... ..... 11011001011 @VX VMODSQ 000100 ..... ..... ..... 11100001011 @VX VMODUQ 000100 ..... ..... ..... 11000001011 @VX + +## TLB Management Instructions + +&X_tlbie rb rs ric prs:bool r:bool +@X_tlbie ...... rs:5 - ric:2 prs:1 r:1 rb:5 .......... - &X_tlbie + +TLBIE 011111 ..... - .. . . ..... 0100110010 - @X_tlbie +TLBIEL 011111 ..... - .. . . ..... 0100010010 - @X_tlbie diff --git a/target/ppc/translate.c b/target/ppc/translate.c index da11472877..440ec8a700 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -5424,64 +5424,6 @@ static void gen_tlbia(DisasContext *ctx) #endif /* defined(CONFIG_USER_ONLY) */ } -/* tlbiel */ -static void gen_tlbiel(DisasContext *ctx) -{ -#if defined(CONFIG_USER_ONLY) - GEN_PRIV; -#else - bool psr = (ctx->opcode >> 17) & 0x1; - - if (ctx->pr || (!ctx->hv && !psr && ctx->hr)) { - /* - * tlbiel is privileged except when PSR=0 and HR=1, making it - * hypervisor privileged. - */ - GEN_PRIV; - } - - gen_helper_tlbie(cpu_env, cpu_gpr[rB(ctx->opcode)]); -#endif /* defined(CONFIG_USER_ONLY) */ -} - -/* tlbie */ -static void gen_tlbie(DisasContext *ctx) -{ -#if defined(CONFIG_USER_ONLY) - GEN_PRIV; -#else - bool psr = (ctx->opcode >> 17) & 0x1; - TCGv_i32 t1; - - if (ctx->pr) { - /* tlbie is privileged... */ - GEN_PRIV; - } else if (!ctx->hv) { - if (!ctx->gtse || (!psr && ctx->hr)) { - /* - * ... except when GTSE=0 or when PSR=0 and HR=1, making it - * hypervisor privileged. - */ - GEN_PRIV; - } - } - - if (NARROW_MODE(ctx)) { - TCGv t0 = tcg_temp_new(); - tcg_gen_ext32u_tl(t0, cpu_gpr[rB(ctx->opcode)]); - gen_helper_tlbie(cpu_env, t0); - tcg_temp_free(t0); - } else { - gen_helper_tlbie(cpu_env, cpu_gpr[rB(ctx->opcode)]); - } - t1 = tcg_temp_new_i32(); - tcg_gen_ld_i32(t1, cpu_env, offsetof(CPUPPCState, tlb_need_flush)); - tcg_gen_ori_i32(t1, t1, TLB_NEED_GLOBAL_FLUSH); - tcg_gen_st_i32(t1, cpu_env, offsetof(CPUPPCState, tlb_need_flush)); - tcg_temp_free_i32(t1); -#endif /* defined(CONFIG_USER_ONLY) */ -} - /* tlbsync */ static void gen_tlbsync(DisasContext *ctx) { @@ -6683,6 +6625,8 @@ static bool resolve_PLS_D(DisasContext *ctx, arg_D *d, arg_PLS_D *a) #include "translate/branch-impl.c.inc" +#include "translate/storage-ctrl-impl.c.inc" + /* Handles lfdp */ static void gen_dform39(DisasContext *ctx) { @@ -6921,10 +6865,6 @@ GEN_HANDLER(tlbia, 0x1F, 0x12, 0x0B, 0x03FFFC01, PPC_MEM_TLBIA), * XXX Those instructions will need to be handled differently for * different ISA versions */ -GEN_HANDLER(tlbiel, 0x1F, 0x12, 0x08, 0x001F0001, PPC_MEM_TLBIE), -GEN_HANDLER(tlbie, 0x1F, 0x12, 0x09, 0x001F0001, PPC_MEM_TLBIE), -GEN_HANDLER_E(tlbiel, 0x1F, 0x12, 0x08, 0x00100001, PPC_NONE, PPC2_ISA300), -GEN_HANDLER_E(tlbie, 0x1F, 0x12, 0x09, 0x00100001, PPC_NONE, PPC2_ISA300), GEN_HANDLER(tlbsync, 0x1F, 0x16, 0x11, 0x03FFF801, PPC_MEM_TLBSYNC), #if defined(TARGET_PPC64) GEN_HANDLER(slbia, 0x1F, 0x12, 0x0F, 0x031FFC01, PPC_SLBI), diff --git a/target/ppc/translate/storage-ctrl-impl.c.inc b/target/ppc/translate/storage-ctrl-impl.c.inc new file mode 100644 index 0000000000..7793297dd4 --- /dev/null +++ b/target/ppc/translate/storage-ctrl-impl.c.inc @@ -0,0 +1,87 @@ +/* + * Power ISA decode for Storage Control instructions + * + * Copyright (c) 2022 Instituto de Pesquisas Eldorado (eldorado.org.br) + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see . + */ + +/* + * Store Control Instructions + */ + +static bool do_tlbie(DisasContext *ctx, arg_X_tlbie *a, bool local) +{ +#if defined(CONFIG_USER_ONLY) + gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC); + return true; +#else + TCGv_i32 t1; + int rb; + + rb = a->rb; + + if ((ctx->insns_flags2 & PPC2_ISA300) == 0) { + /* + * Before Power ISA 3.0, the corresponding bits of RIC, PRS, and R + * (and RS for tlbiel) were reserved fields and should be ignored. + */ + a->ric = 0; + a->prs = false; + a->r = false; + if (local) { + a->rs = 0; + } + } + + if (ctx->pr) { + /* tlbie[l] is privileged... */ + gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC); + return true; + } else if (!ctx->hv) { + if ((!a->prs && ctx->hr) || (!local && !ctx->gtse)) { + /* + * ... except when PRS=0 and HR=1, or when GTSE=0 for tlbie, + * making it hypervisor privileged. + */ + gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC); + return true; + } + } + + if (!local && NARROW_MODE(ctx)) { + TCGv t0 = tcg_temp_new(); + tcg_gen_ext32u_tl(t0, cpu_gpr[rb]); + gen_helper_tlbie(cpu_env, t0); + tcg_temp_free(t0); + } else { + gen_helper_tlbie(cpu_env, cpu_gpr[rb]); + } + + if (local) { + return true; + } + + t1 = tcg_temp_new_i32(); + tcg_gen_ld_i32(t1, cpu_env, offsetof(CPUPPCState, tlb_need_flush)); + tcg_gen_ori_i32(t1, t1, TLB_NEED_GLOBAL_FLUSH); + tcg_gen_st_i32(t1, cpu_env, offsetof(CPUPPCState, tlb_need_flush)); + tcg_temp_free_i32(t1); + + return true; +#endif +} + +TRANS_FLAGS(MEM_TLBIE, TLBIE, do_tlbie, false) +TRANS_FLAGS(MEM_TLBIE, TLBIEL, do_tlbie, true) -- cgit v1.2.3-55-g7522