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Tue, 27 Apr 2021 15:06:25 -0700 (PDT) Received: from neptune.lab ([46.39.228.82]) by smtp.googlemail.com with ESMTPSA id r10sm640049ejd.112.2021.04.27.15.06.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Apr 2021 15:06:25 -0700 (PDT) From: Alexey Baturo X-Google-Original-From: Alexey Baturo To: Subject: [PATCH v8 4/6] [RISCV_PM] Support pointer masking for RISC-V for i/c/f/d/a types of instructions Date: Wed, 28 Apr 2021 01:06:13 +0300 Message-Id: <20210427220615.12763-5-space.monkey.delivers@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210427220615.12763-1-space.monkey.delivers@gmail.com> References: <20210427220615.12763-1-space.monkey.delivers@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::62d; envelope-from=baturo.alexey@gmail.com; helo=mail-ej1-x62d.google.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 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, FREEMAIL_FROM=0.001, GAPPY_SUBJECT=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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: baturo.alexey@gmail.com, qemu-riscv@nongnu.org, sagark@eecs.berkeley.edu, kbastian@mail.uni-paderborn.de, richard.henderson@linaro.org, qemu-devel@nongnu.org, space.monkey.delivers@gmail.com, Alistair Francis , kupokupokupopo@gmail.com, palmer@dabbelt.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Alexey Baturo Reviewed-by: Richard Henderson Reviewed-by: Alistair Francis --- target/riscv/insn_trans/trans_rva.c.inc | 3 +++ target/riscv/insn_trans/trans_rvd.c.inc | 2 ++ target/riscv/insn_trans/trans_rvf.c.inc | 2 ++ target/riscv/insn_trans/trans_rvi.c.inc | 2 ++ target/riscv/translate.c | 10 ++++++++++ 5 files changed, 19 insertions(+) diff --git a/target/riscv/insn_trans/trans_rva.c.inc b/target/riscv/insn_trans/trans_rva.c.inc index be8a9f06dd..5559e347ba 100644 --- a/target/riscv/insn_trans/trans_rva.c.inc +++ b/target/riscv/insn_trans/trans_rva.c.inc @@ -26,6 +26,7 @@ static inline bool gen_lr(DisasContext *ctx, arg_atomic *a, MemOp mop) if (a->rl) { tcg_gen_mb(TCG_MO_ALL | TCG_BAR_STRL); } + gen_pm_adjust_address(ctx, src1, src1); tcg_gen_qemu_ld_tl(load_val, src1, ctx->mem_idx, mop); if (a->aq) { tcg_gen_mb(TCG_MO_ALL | TCG_BAR_LDAQ); @@ -46,6 +47,7 @@ static inline bool gen_sc(DisasContext *ctx, arg_atomic *a, MemOp mop) TCGLabel *l2 = gen_new_label(); gen_get_gpr(src1, a->rs1); + gen_pm_adjust_address(ctx, src1, src1); tcg_gen_brcond_tl(TCG_COND_NE, load_res, src1, l1); gen_get_gpr(src2, a->rs2); @@ -91,6 +93,7 @@ static bool gen_amo(DisasContext *ctx, arg_atomic *a, gen_get_gpr(src1, a->rs1); gen_get_gpr(src2, a->rs2); + gen_pm_adjust_address(ctx, src1, src1); (*func)(src2, src1, src2, ctx->mem_idx, mop); gen_set_gpr(a->rd, src2); diff --git a/target/riscv/insn_trans/trans_rvd.c.inc b/target/riscv/insn_trans/trans_rvd.c.inc index 4f832637fa..935342f66d 100644 --- a/target/riscv/insn_trans/trans_rvd.c.inc +++ b/target/riscv/insn_trans/trans_rvd.c.inc @@ -25,6 +25,7 @@ static bool trans_fld(DisasContext *ctx, arg_fld *a) TCGv t0 = tcg_temp_new(); gen_get_gpr(t0, a->rs1); tcg_gen_addi_tl(t0, t0, a->imm); + gen_pm_adjust_address(ctx, t0, t0); tcg_gen_qemu_ld_i64(cpu_fpr[a->rd], t0, ctx->mem_idx, MO_TEQ); @@ -40,6 +41,7 @@ static bool trans_fsd(DisasContext *ctx, arg_fsd *a) TCGv t0 = tcg_temp_new(); gen_get_gpr(t0, a->rs1); tcg_gen_addi_tl(t0, t0, a->imm); + gen_pm_adjust_address(ctx, t0, t0); tcg_gen_qemu_st_i64(cpu_fpr[a->rs2], t0, ctx->mem_idx, MO_TEQ); diff --git a/target/riscv/insn_trans/trans_rvf.c.inc b/target/riscv/insn_trans/trans_rvf.c.inc index 3dfec8211d..04b3c3eb3d 100644 --- a/target/riscv/insn_trans/trans_rvf.c.inc +++ b/target/riscv/insn_trans/trans_rvf.c.inc @@ -30,6 +30,7 @@ static bool trans_flw(DisasContext *ctx, arg_flw *a) TCGv t0 = tcg_temp_new(); gen_get_gpr(t0, a->rs1); tcg_gen_addi_tl(t0, t0, a->imm); + gen_pm_adjust_address(ctx, t0, t0); tcg_gen_qemu_ld_i64(cpu_fpr[a->rd], t0, ctx->mem_idx, MO_TEUL); gen_nanbox_s(cpu_fpr[a->rd], cpu_fpr[a->rd]); @@ -47,6 +48,7 @@ static bool trans_fsw(DisasContext *ctx, arg_fsw *a) gen_get_gpr(t0, a->rs1); tcg_gen_addi_tl(t0, t0, a->imm); + gen_pm_adjust_address(ctx, t0, t0); tcg_gen_qemu_st_i64(cpu_fpr[a->rs2], t0, ctx->mem_idx, MO_TEUL); diff --git a/target/riscv/insn_trans/trans_rvi.c.inc b/target/riscv/insn_trans/trans_rvi.c.inc index d04ca0394c..bee7f6be46 100644 --- a/target/riscv/insn_trans/trans_rvi.c.inc +++ b/target/riscv/insn_trans/trans_rvi.c.inc @@ -141,6 +141,7 @@ static bool gen_load(DisasContext *ctx, arg_lb *a, MemOp memop) TCGv t1 = tcg_temp_new(); gen_get_gpr(t0, a->rs1); tcg_gen_addi_tl(t0, t0, a->imm); + gen_pm_adjust_address(ctx, t0, t0); tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, memop); gen_set_gpr(a->rd, t1); @@ -180,6 +181,7 @@ static bool gen_store(DisasContext *ctx, arg_sb *a, MemOp memop) TCGv dat = tcg_temp_new(); gen_get_gpr(t0, a->rs1); tcg_gen_addi_tl(t0, t0, a->imm); + gen_pm_adjust_address(ctx, t0, t0); gen_get_gpr(dat, a->rs2); tcg_gen_qemu_st_tl(dat, t0, ctx->mem_idx, memop); diff --git a/target/riscv/translate.c b/target/riscv/translate.c index 2f9f5ccc62..2e815a5912 100644 --- a/target/riscv/translate.c +++ b/target/riscv/translate.c @@ -89,6 +89,16 @@ static void gen_nanbox_s(TCGv_i64 out, TCGv_i64 in) tcg_gen_ori_i64(out, in, MAKE_64BIT_MASK(32, 32)); } +/* + * Temp stub: generates address adjustment for PointerMasking + */ +static void gen_pm_adjust_address(DisasContext *s, + TCGv_i64 dst, + TCGv_i64 src) +{ + tcg_gen_mov_i64(dst, src); +} + /* * A narrow n-bit operation, where n < FLEN, checks that input operands * are correctly Nan-boxed, i.e., all upper FLEN - n bits are 1. -- 2.20.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from list by lists.gnu.org with archive (Exim 4.90_1) id 1lbVqi-0006Lx-9U for mharc-qemu-riscv@gnu.org; Tue, 27 Apr 2021 18:06:32 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:57176) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lbVqf-0006Eo-CI; Tue, 27 Apr 2021 18:06:29 -0400 Received: from mail-ej1-x62d.google.com ([2a00:1450:4864:20::62d]:36442) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lbVqd-0002iB-Ad; Tue, 27 Apr 2021 18:06:29 -0400 Received: by mail-ej1-x62d.google.com with SMTP id r9so91646476ejj.3; 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Tue, 27 Apr 2021 15:06:25 -0700 (PDT) Received: from neptune.lab ([46.39.228.82]) by smtp.googlemail.com with ESMTPSA id r10sm640049ejd.112.2021.04.27.15.06.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Apr 2021 15:06:25 -0700 (PDT) From: Alexey Baturo X-Google-Original-From: Alexey Baturo To: Cc: baturo.alexey@gmail.com, richard.henderson@linaro.org, space.monkey.delivers@gmail.com, kupokupokupopo@gmail.com, palmer@dabbelt.com, Alistair.Francis@wdc.com, sagark@eecs.berkeley.edu, kbastian@mail.uni-paderborn.de, qemu-devel@nongnu.org, qemu-riscv@nongnu.org, Alistair Francis Subject: [PATCH v8 4/6] [RISCV_PM] Support pointer masking for RISC-V for i/c/f/d/a types of instructions Date: Wed, 28 Apr 2021 01:06:13 +0300 Message-Id: <20210427220615.12763-5-space.monkey.delivers@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210427220615.12763-1-space.monkey.delivers@gmail.com> References: <20210427220615.12763-1-space.monkey.delivers@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::62d; envelope-from=baturo.alexey@gmail.com; helo=mail-ej1-x62d.google.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 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, FREEMAIL_FROM=0.001, GAPPY_SUBJECT=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-riscv@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 27 Apr 2021 22:06:29 -0000 Signed-off-by: Alexey Baturo Reviewed-by: Richard Henderson Reviewed-by: Alistair Francis --- target/riscv/insn_trans/trans_rva.c.inc | 3 +++ target/riscv/insn_trans/trans_rvd.c.inc | 2 ++ target/riscv/insn_trans/trans_rvf.c.inc | 2 ++ target/riscv/insn_trans/trans_rvi.c.inc | 2 ++ target/riscv/translate.c | 10 ++++++++++ 5 files changed, 19 insertions(+) diff --git a/target/riscv/insn_trans/trans_rva.c.inc b/target/riscv/insn_trans/trans_rva.c.inc index be8a9f06dd..5559e347ba 100644 --- a/target/riscv/insn_trans/trans_rva.c.inc +++ b/target/riscv/insn_trans/trans_rva.c.inc @@ -26,6 +26,7 @@ static inline bool gen_lr(DisasContext *ctx, arg_atomic *a, MemOp mop) if (a->rl) { tcg_gen_mb(TCG_MO_ALL | TCG_BAR_STRL); } + gen_pm_adjust_address(ctx, src1, src1); tcg_gen_qemu_ld_tl(load_val, src1, ctx->mem_idx, mop); if (a->aq) { tcg_gen_mb(TCG_MO_ALL | TCG_BAR_LDAQ); @@ -46,6 +47,7 @@ static inline bool gen_sc(DisasContext *ctx, arg_atomic *a, MemOp mop) TCGLabel *l2 = gen_new_label(); gen_get_gpr(src1, a->rs1); + gen_pm_adjust_address(ctx, src1, src1); tcg_gen_brcond_tl(TCG_COND_NE, load_res, src1, l1); gen_get_gpr(src2, a->rs2); @@ -91,6 +93,7 @@ static bool gen_amo(DisasContext *ctx, arg_atomic *a, gen_get_gpr(src1, a->rs1); gen_get_gpr(src2, a->rs2); + gen_pm_adjust_address(ctx, src1, src1); (*func)(src2, src1, src2, ctx->mem_idx, mop); gen_set_gpr(a->rd, src2); diff --git a/target/riscv/insn_trans/trans_rvd.c.inc b/target/riscv/insn_trans/trans_rvd.c.inc index 4f832637fa..935342f66d 100644 --- a/target/riscv/insn_trans/trans_rvd.c.inc +++ b/target/riscv/insn_trans/trans_rvd.c.inc @@ -25,6 +25,7 @@ static bool trans_fld(DisasContext *ctx, arg_fld *a) TCGv t0 = tcg_temp_new(); gen_get_gpr(t0, a->rs1); tcg_gen_addi_tl(t0, t0, a->imm); + gen_pm_adjust_address(ctx, t0, t0); tcg_gen_qemu_ld_i64(cpu_fpr[a->rd], t0, ctx->mem_idx, MO_TEQ); @@ -40,6 +41,7 @@ static bool trans_fsd(DisasContext *ctx, arg_fsd *a) TCGv t0 = tcg_temp_new(); gen_get_gpr(t0, a->rs1); tcg_gen_addi_tl(t0, t0, a->imm); + gen_pm_adjust_address(ctx, t0, t0); tcg_gen_qemu_st_i64(cpu_fpr[a->rs2], t0, ctx->mem_idx, MO_TEQ); diff --git a/target/riscv/insn_trans/trans_rvf.c.inc b/target/riscv/insn_trans/trans_rvf.c.inc index 3dfec8211d..04b3c3eb3d 100644 --- a/target/riscv/insn_trans/trans_rvf.c.inc +++ b/target/riscv/insn_trans/trans_rvf.c.inc @@ -30,6 +30,7 @@ static bool trans_flw(DisasContext *ctx, arg_flw *a) TCGv t0 = tcg_temp_new(); gen_get_gpr(t0, a->rs1); tcg_gen_addi_tl(t0, t0, a->imm); + gen_pm_adjust_address(ctx, t0, t0); tcg_gen_qemu_ld_i64(cpu_fpr[a->rd], t0, ctx->mem_idx, MO_TEUL); gen_nanbox_s(cpu_fpr[a->rd], cpu_fpr[a->rd]); @@ -47,6 +48,7 @@ static bool trans_fsw(DisasContext *ctx, arg_fsw *a) gen_get_gpr(t0, a->rs1); tcg_gen_addi_tl(t0, t0, a->imm); + gen_pm_adjust_address(ctx, t0, t0); tcg_gen_qemu_st_i64(cpu_fpr[a->rs2], t0, ctx->mem_idx, MO_TEUL); diff --git a/target/riscv/insn_trans/trans_rvi.c.inc b/target/riscv/insn_trans/trans_rvi.c.inc index d04ca0394c..bee7f6be46 100644 --- a/target/riscv/insn_trans/trans_rvi.c.inc +++ b/target/riscv/insn_trans/trans_rvi.c.inc @@ -141,6 +141,7 @@ static bool gen_load(DisasContext *ctx, arg_lb *a, MemOp memop) TCGv t1 = tcg_temp_new(); gen_get_gpr(t0, a->rs1); tcg_gen_addi_tl(t0, t0, a->imm); + gen_pm_adjust_address(ctx, t0, t0); tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, memop); gen_set_gpr(a->rd, t1); @@ -180,6 +181,7 @@ static bool gen_store(DisasContext *ctx, arg_sb *a, MemOp memop) TCGv dat = tcg_temp_new(); gen_get_gpr(t0, a->rs1); tcg_gen_addi_tl(t0, t0, a->imm); + gen_pm_adjust_address(ctx, t0, t0); gen_get_gpr(dat, a->rs2); tcg_gen_qemu_st_tl(dat, t0, ctx->mem_idx, memop); diff --git a/target/riscv/translate.c b/target/riscv/translate.c index 2f9f5ccc62..2e815a5912 100644 --- a/target/riscv/translate.c +++ b/target/riscv/translate.c @@ -89,6 +89,16 @@ static void gen_nanbox_s(TCGv_i64 out, TCGv_i64 in) tcg_gen_ori_i64(out, in, MAKE_64BIT_MASK(32, 32)); } +/* + * Temp stub: generates address adjustment for PointerMasking + */ +static void gen_pm_adjust_address(DisasContext *s, + TCGv_i64 dst, + TCGv_i64 src) +{ + tcg_gen_mov_i64(dst, src); +} + /* * A narrow n-bit operation, where n < FLEN, checks that input operands * are correctly Nan-boxed, i.e., all upper FLEN - n bits are 1. -- 2.20.1