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([71.212.149.95]) by smtp.gmail.com with ESMTPSA id jh1-20020a170903328100b001c5fc291ef9sm9754655plb.209.2023.10.25.17.19.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Oct 2023 17:19:48 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: Mark Cave-Ayland Subject: [PULL 49/94] target/sparc: Drop ifdef around get_asi and friends Date: Wed, 25 Oct 2023 17:14:57 -0700 Message-Id: <20231026001542.1141412-79-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231026001542.1141412-1-richard.henderson@linaro.org> References: <20231026001542.1141412-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::636; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x636.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Mark some of the functions as unused, temporarily. Fix up some tl vs i64 issues revealed in the process. Tested-by: Mark Cave-Ayland Acked-by: Mark Cave-Ayland Signed-off-by: Richard Henderson --- target/sparc/translate.c | 189 +++++++++++++++------------------------ 1 file changed, 72 insertions(+), 117 deletions(-) diff --git a/target/sparc/translate.c b/target/sparc/translate.c index 6c1610486e..09b01ccf77 100644 --- a/target/sparc/translate.c +++ b/target/sparc/translate.c @@ -1900,7 +1900,6 @@ static void gen_ldstub(DisasContext *dc, TCGv dst, TCGv addr, int mmu_idx) } /* asi moves */ -#if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64) typedef enum { GET_ASI_HELPER, GET_ASI_EXCP, @@ -2149,8 +2148,22 @@ static DisasASI get_asi(DisasContext *dc, int insn, MemOp memop) return resolve_asi(dc, asi, memop); } -static void gen_ld_asi(DisasContext *dc, TCGv dst, TCGv addr, - int insn, MemOp memop) +#if defined(CONFIG_USER_ONLY) && !defined(TARGET_SPARC64) +static void gen_helper_ld_asi(TCGv_i64 r, TCGv_env e, TCGv a, + TCGv_i32 asi, TCGv_i32 mop) +{ + g_assert_not_reached(); +} + +static void gen_helper_st_asi(TCGv_env e, TCGv a, TCGv_i64 r, + TCGv_i32 asi, TCGv_i32 mop) +{ + g_assert_not_reached(); +} +#endif + +static void __attribute__((unused)) +gen_ld_asi(DisasContext *dc, TCGv dst, TCGv addr, int insn, MemOp memop) { DisasASI da = get_asi(dc, insn, memop); @@ -2184,8 +2197,8 @@ static void gen_ld_asi(DisasContext *dc, TCGv dst, TCGv addr, } } -static void gen_st_asi(DisasContext *dc, TCGv src, TCGv addr, - int insn, MemOp memop) +static void __attribute__((unused)) +gen_st_asi(DisasContext *dc, TCGv src, TCGv addr, int insn, MemOp memop) { DisasASI da = get_asi(dc, insn, memop); @@ -2260,8 +2273,8 @@ static void gen_st_asi(DisasContext *dc, TCGv src, TCGv addr, } } -static void gen_swap_asi(DisasContext *dc, TCGv dst, TCGv src, - TCGv addr, int insn) +static void __attribute__((unused)) +gen_swap_asi(DisasContext *dc, TCGv dst, TCGv src, TCGv addr, int insn) { DisasASI da = get_asi(dc, insn, MO_TEUL); @@ -2278,8 +2291,8 @@ static void gen_swap_asi(DisasContext *dc, TCGv dst, TCGv src, } } -static void gen_cas_asi(DisasContext *dc, TCGv addr, TCGv cmpv, - int insn, int rd) +static void __attribute__((unused)) +gen_cas_asi(DisasContext *dc, TCGv addr, TCGv cmpv, int insn, int rd) { DisasASI da = get_asi(dc, insn, MO_TEUL); TCGv oldv; @@ -2300,7 +2313,8 @@ static void gen_cas_asi(DisasContext *dc, TCGv addr, TCGv cmpv, } } -static void gen_ldstub_asi(DisasContext *dc, TCGv dst, TCGv addr, int insn) +static void __attribute__((unused)) +gen_ldstub_asi(DisasContext *dc, TCGv dst, TCGv addr, int insn) { DisasASI da = get_asi(dc, insn, MO_UB); @@ -2335,11 +2349,9 @@ static void gen_ldstub_asi(DisasContext *dc, TCGv dst, TCGv addr, int insn) break; } } -#endif -#ifdef TARGET_SPARC64 -static void gen_ldf_asi(DisasContext *dc, TCGv addr, - int insn, int size, int rd) +static void __attribute__((unused)) +gen_ldf_asi(DisasContext *dc, TCGv addr, int insn, int size, int rd) { DisasASI da = get_asi(dc, insn, (size == 4 ? MO_TEUL : MO_TEUQ)); TCGv_i32 d32; @@ -2447,8 +2459,8 @@ static void gen_ldf_asi(DisasContext *dc, TCGv addr, } } -static void gen_stf_asi(DisasContext *dc, TCGv addr, - int insn, int size, int rd) +static void __attribute__((unused)) +gen_stf_asi(DisasContext *dc, TCGv addr, int insn, int size, int rd) { DisasASI da = get_asi(dc, insn, (size == 4 ? MO_TEUL : MO_TEUQ)); TCGv_i32 d32; @@ -2530,21 +2542,23 @@ static void gen_stf_asi(DisasContext *dc, TCGv addr, } } -static void gen_ldda_asi(DisasContext *dc, TCGv addr, int insn, int rd) +static void __attribute__((unused)) +gen_ldda_asi(DisasContext *dc, TCGv addr, int insn, int rd) { DisasASI da = get_asi(dc, insn, MO_TEUQ); - TCGv_i64 hi = gen_dest_gpr(dc, rd); - TCGv_i64 lo = gen_dest_gpr(dc, rd + 1); + TCGv hi = gen_dest_gpr(dc, rd); + TCGv lo = gen_dest_gpr(dc, rd + 1); switch (da.type) { case GET_ASI_EXCP: return; case GET_ASI_DTWINX: + assert(TARGET_LONG_BITS == 64); gen_address_mask(dc, addr); - tcg_gen_qemu_ld_i64(hi, addr, da.mem_idx, da.memop | MO_ALIGN_16); + tcg_gen_qemu_ld_tl(hi, addr, da.mem_idx, da.memop | MO_ALIGN_16); tcg_gen_addi_tl(addr, addr, 8); - tcg_gen_qemu_ld_i64(lo, addr, da.mem_idx, da.memop); + tcg_gen_qemu_ld_tl(lo, addr, da.mem_idx, da.memop); break; case GET_ASI_DIRECT: @@ -2558,9 +2572,9 @@ static void gen_ldda_asi(DisasContext *dc, TCGv addr, int insn, int rd) result is byte swapped. Having just performed one 64-bit bswap, we need now to swap the writebacks. */ if ((da.memop & MO_BSWAP) == MO_TE) { - tcg_gen_extr32_i64(lo, hi, tmp); + tcg_gen_extr_i64_tl(lo, hi, tmp); } else { - tcg_gen_extr32_i64(hi, lo, tmp); + tcg_gen_extr_i64_tl(hi, lo, tmp); } } break; @@ -2580,9 +2594,9 @@ static void gen_ldda_asi(DisasContext *dc, TCGv addr, int insn, int rd) /* See above. */ if ((da.memop & MO_BSWAP) == MO_TE) { - tcg_gen_extr32_i64(lo, hi, tmp); + tcg_gen_extr_i64_tl(lo, hi, tmp); } else { - tcg_gen_extr32_i64(hi, lo, tmp); + tcg_gen_extr_i64_tl(hi, lo, tmp); } } break; @@ -2592,8 +2606,8 @@ static void gen_ldda_asi(DisasContext *dc, TCGv addr, int insn, int rd) gen_store_gpr(dc, rd + 1, lo); } -static void gen_stda_asi(DisasContext *dc, TCGv hi, TCGv addr, - int insn, int rd) +static void __attribute__((unused)) +gen_stda_asi(DisasContext *dc, TCGv hi, TCGv addr, int insn, int rd) { DisasASI da = get_asi(dc, insn, MO_TEUQ); TCGv lo = gen_load_gpr(dc, rd + 1); @@ -2603,10 +2617,11 @@ static void gen_stda_asi(DisasContext *dc, TCGv hi, TCGv addr, break; case GET_ASI_DTWINX: + assert(TARGET_LONG_BITS == 64); gen_address_mask(dc, addr); - tcg_gen_qemu_st_i64(hi, addr, da.mem_idx, da.memop | MO_ALIGN_16); + tcg_gen_qemu_st_tl(hi, addr, da.mem_idx, da.memop | MO_ALIGN_16); tcg_gen_addi_tl(addr, addr, 8); - tcg_gen_qemu_st_i64(lo, addr, da.mem_idx, da.memop); + tcg_gen_qemu_st_tl(lo, addr, da.mem_idx, da.memop); break; case GET_ASI_DIRECT: @@ -2617,15 +2632,37 @@ static void gen_stda_asi(DisasContext *dc, TCGv hi, TCGv addr, byte swapped. We will perform one 64-bit LE store, so now we must swap the order of the construction. */ if ((da.memop & MO_BSWAP) == MO_TE) { - tcg_gen_concat32_i64(t64, lo, hi); + tcg_gen_concat_tl_i64(t64, lo, hi); } else { - tcg_gen_concat32_i64(t64, hi, lo); + tcg_gen_concat_tl_i64(t64, hi, lo); } gen_address_mask(dc, addr); tcg_gen_qemu_st_i64(t64, addr, da.mem_idx, da.memop | MO_ALIGN); } break; + case GET_ASI_BFILL: + assert(TARGET_LONG_BITS == 32); + /* Store 32 bytes of T64 to ADDR. */ + /* ??? The original qemu code suggests 8-byte alignment, dropping + the low bits, but the only place I can see this used is in the + Linux kernel with 32 byte alignment, which would make more sense + as a cacheline-style operation. */ + { + TCGv_i64 t64 = tcg_temp_new_i64(); + TCGv d_addr = tcg_temp_new(); + TCGv eight = tcg_constant_tl(8); + int i; + + tcg_gen_concat_tl_i64(t64, lo, hi); + tcg_gen_andi_tl(d_addr, addr, -8); + for (i = 0; i < 32; i += 8) { + tcg_gen_qemu_st_i64(t64, d_addr, da.mem_idx, da.memop); + tcg_gen_add_tl(d_addr, d_addr, eight); + } + } + break; + default: /* ??? In theory we've handled all of the ASIs that are valid for stda, and this should raise DAE_invalid_asi. */ @@ -2636,9 +2673,9 @@ static void gen_stda_asi(DisasContext *dc, TCGv hi, TCGv addr, /* See above. */ if ((da.memop & MO_BSWAP) == MO_TE) { - tcg_gen_concat32_i64(t64, lo, hi); + tcg_gen_concat_tl_i64(t64, lo, hi); } else { - tcg_gen_concat32_i64(t64, hi, lo); + tcg_gen_concat_tl_i64(t64, hi, lo); } save_state(dc); @@ -2648,8 +2685,8 @@ static void gen_stda_asi(DisasContext *dc, TCGv hi, TCGv addr, } } -static void gen_casx_asi(DisasContext *dc, TCGv addr, TCGv cmpv, - int insn, int rd) +static void __attribute__((unused)) +gen_casx_asi(DisasContext *dc, TCGv addr, TCGv cmpv, int insn, int rd) { DisasASI da = get_asi(dc, insn, MO_TEUQ); TCGv oldv; @@ -2670,88 +2707,6 @@ static void gen_casx_asi(DisasContext *dc, TCGv addr, TCGv cmpv, } } -#elif !defined(CONFIG_USER_ONLY) -static void gen_ldda_asi(DisasContext *dc, TCGv addr, int insn, int rd) -{ - /* ??? Work around an apparent bug in Ubuntu gcc 4.8.2-10ubuntu2+12, - whereby "rd + 1" elicits "error: array subscript is above array". - Since we have already asserted that rd is even, the semantics - are unchanged. */ - TCGv lo = gen_dest_gpr(dc, rd | 1); - TCGv hi = gen_dest_gpr(dc, rd); - TCGv_i64 t64 = tcg_temp_new_i64(); - DisasASI da = get_asi(dc, insn, MO_TEUQ); - - switch (da.type) { - case GET_ASI_EXCP: - return; - case GET_ASI_DIRECT: - gen_address_mask(dc, addr); - tcg_gen_qemu_ld_i64(t64, addr, da.mem_idx, da.memop | MO_ALIGN); - break; - default: - { - TCGv_i32 r_asi = tcg_constant_i32(da.asi); - TCGv_i32 r_mop = tcg_constant_i32(MO_UQ); - - save_state(dc); - gen_helper_ld_asi(t64, tcg_env, addr, r_asi, r_mop); - } - break; - } - - tcg_gen_extr_i64_i32(lo, hi, t64); - gen_store_gpr(dc, rd | 1, lo); - gen_store_gpr(dc, rd, hi); -} - -static void gen_stda_asi(DisasContext *dc, TCGv hi, TCGv addr, - int insn, int rd) -{ - DisasASI da = get_asi(dc, insn, MO_TEUQ); - TCGv lo = gen_load_gpr(dc, rd + 1); - TCGv_i64 t64 = tcg_temp_new_i64(); - - tcg_gen_concat_tl_i64(t64, lo, hi); - - switch (da.type) { - case GET_ASI_EXCP: - break; - case GET_ASI_DIRECT: - gen_address_mask(dc, addr); - tcg_gen_qemu_st_i64(t64, addr, da.mem_idx, da.memop | MO_ALIGN); - break; - case GET_ASI_BFILL: - /* Store 32 bytes of T64 to ADDR. */ - /* ??? The original qemu code suggests 8-byte alignment, dropping - the low bits, but the only place I can see this used is in the - Linux kernel with 32 byte alignment, which would make more sense - as a cacheline-style operation. */ - { - TCGv d_addr = tcg_temp_new(); - TCGv eight = tcg_constant_tl(8); - int i; - - tcg_gen_andi_tl(d_addr, addr, -8); - for (i = 0; i < 32; i += 8) { - tcg_gen_qemu_st_i64(t64, d_addr, da.mem_idx, da.memop); - tcg_gen_add_tl(d_addr, d_addr, eight); - } - } - break; - default: - { - TCGv_i32 r_asi = tcg_constant_i32(da.asi); - TCGv_i32 r_mop = tcg_constant_i32(MO_UQ); - - save_state(dc); - gen_helper_st_asi(tcg_env, addr, t64, r_asi, r_mop); - } - break; - } -} -#endif - static TCGv get_src1(DisasContext *dc, unsigned int insn) { unsigned int rs1 = GET_FIELD(insn, 13, 17);