From: LIU Zhiwei <zhiwei_liu@c-sky.com> To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Cc: palmer@dabbelt.com, richard.henderson@linaro.org, bin.meng@windriver.com, Alistair.Francis@wdc.com, LIU Zhiwei <zhiwei_liu@c-sky.com> Subject: [PATCH v4 07/20] target/riscv: Adjust csr write mask with XLEN Date: Thu, 11 Nov 2021 23:51:36 +0800 [thread overview] Message-ID: <20211111155149.58172-8-zhiwei_liu@c-sky.com> (raw) In-Reply-To: <20211111155149.58172-1-zhiwei_liu@c-sky.com> Write mask is representing the bits we care about. Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> --- target/riscv/insn_trans/trans_rvi.c.inc | 4 ++-- target/riscv/op_helper.c | 3 ++- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/target/riscv/insn_trans/trans_rvi.c.inc b/target/riscv/insn_trans/trans_rvi.c.inc index e51dbc41c5..40c81421f2 100644 --- a/target/riscv/insn_trans/trans_rvi.c.inc +++ b/target/riscv/insn_trans/trans_rvi.c.inc @@ -486,7 +486,7 @@ static bool trans_csrrw(DisasContext *ctx, arg_csrrw *a) return do_csrw(ctx, a->csr, src); } - TCGv mask = tcg_constant_tl(-1); + TCGv mask = tcg_constant_tl(get_xl(ctx) == MXL_RV32 ? UINT32_MAX : -1); return do_csrrw(ctx, a->rd, a->csr, src, mask); } @@ -537,7 +537,7 @@ static bool trans_csrrwi(DisasContext *ctx, arg_csrrwi *a) return do_csrw(ctx, a->csr, src); } - TCGv mask = tcg_constant_tl(-1); + TCGv mask = tcg_constant_tl(get_xl(ctx) == MXL_RV32 ? UINT32_MAX : -1); return do_csrrw(ctx, a->rd, a->csr, src, mask); } diff --git a/target/riscv/op_helper.c b/target/riscv/op_helper.c index 095d39671b..561e156bec 100644 --- a/target/riscv/op_helper.c +++ b/target/riscv/op_helper.c @@ -50,7 +50,8 @@ target_ulong helper_csrr(CPURISCVState *env, int csr) void helper_csrw(CPURISCVState *env, int csr, target_ulong src) { - RISCVException ret = riscv_csrrw(env, csr, NULL, src, -1); + target_ulong mask = cpu_get_xl(env) == MXL_RV32 ? UINT32_MAX : -1; + RISCVException ret = riscv_csrrw(env, csr, NULL, src, mask); if (ret != RISCV_EXCP_NONE) { riscv_raise_exception(env, ret, GETPC()); -- 2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: LIU Zhiwei <zhiwei_liu@c-sky.com> To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Cc: Alistair.Francis@wdc.com, palmer@dabbelt.com, bin.meng@windriver.com, richard.henderson@linaro.org, LIU Zhiwei <zhiwei_liu@c-sky.com> Subject: [PATCH v4 07/20] target/riscv: Adjust csr write mask with XLEN Date: Thu, 11 Nov 2021 23:51:36 +0800 [thread overview] Message-ID: <20211111155149.58172-8-zhiwei_liu@c-sky.com> (raw) In-Reply-To: <20211111155149.58172-1-zhiwei_liu@c-sky.com> Write mask is representing the bits we care about. Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> --- target/riscv/insn_trans/trans_rvi.c.inc | 4 ++-- target/riscv/op_helper.c | 3 ++- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/target/riscv/insn_trans/trans_rvi.c.inc b/target/riscv/insn_trans/trans_rvi.c.inc index e51dbc41c5..40c81421f2 100644 --- a/target/riscv/insn_trans/trans_rvi.c.inc +++ b/target/riscv/insn_trans/trans_rvi.c.inc @@ -486,7 +486,7 @@ static bool trans_csrrw(DisasContext *ctx, arg_csrrw *a) return do_csrw(ctx, a->csr, src); } - TCGv mask = tcg_constant_tl(-1); + TCGv mask = tcg_constant_tl(get_xl(ctx) == MXL_RV32 ? UINT32_MAX : -1); return do_csrrw(ctx, a->rd, a->csr, src, mask); } @@ -537,7 +537,7 @@ static bool trans_csrrwi(DisasContext *ctx, arg_csrrwi *a) return do_csrw(ctx, a->csr, src); } - TCGv mask = tcg_constant_tl(-1); + TCGv mask = tcg_constant_tl(get_xl(ctx) == MXL_RV32 ? UINT32_MAX : -1); return do_csrrw(ctx, a->rd, a->csr, src, mask); } diff --git a/target/riscv/op_helper.c b/target/riscv/op_helper.c index 095d39671b..561e156bec 100644 --- a/target/riscv/op_helper.c +++ b/target/riscv/op_helper.c @@ -50,7 +50,8 @@ target_ulong helper_csrr(CPURISCVState *env, int csr) void helper_csrw(CPURISCVState *env, int csr, target_ulong src) { - RISCVException ret = riscv_csrrw(env, csr, NULL, src, -1); + target_ulong mask = cpu_get_xl(env) == MXL_RV32 ? UINT32_MAX : -1; + RISCVException ret = riscv_csrrw(env, csr, NULL, src, mask); if (ret != RISCV_EXCP_NONE) { riscv_raise_exception(env, ret, GETPC()); -- 2.25.1
next prev parent reply other threads:[~2021-11-11 15:58 UTC|newest] Thread overview: 86+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-11-11 15:51 [PATCH v4 00/20] Support UXL filed in xstatus LIU Zhiwei 2021-11-11 15:51 ` LIU Zhiwei 2021-11-11 15:51 ` [PATCH v4 01/20] target/riscv: Don't save pc when exception return LIU Zhiwei 2021-11-11 15:51 ` LIU Zhiwei 2021-11-15 4:25 ` Alistair Francis 2021-11-15 4:25 ` Alistair Francis 2021-11-11 15:51 ` [PATCH v4 02/20] target/riscv: Sign extend pc for different XLEN LIU Zhiwei 2021-11-11 15:51 ` LIU Zhiwei 2021-11-15 4:26 ` Alistair Francis 2021-11-15 4:26 ` Alistair Francis 2021-11-11 15:51 ` [PATCH v4 03/20] target/riscv: Ignore the pc bits above XLEN LIU Zhiwei 2021-11-11 15:51 ` LIU Zhiwei 2021-11-15 4:27 ` Alistair Francis 2021-11-15 4:27 ` Alistair Francis 2021-11-11 15:51 ` [PATCH v4 04/20] target/riscv: Extend pc for runtime pc write LIU Zhiwei 2021-11-11 15:51 ` LIU Zhiwei 2021-11-16 0:08 ` Alistair Francis 2021-11-16 0:08 ` Alistair Francis 2021-11-11 15:51 ` [PATCH v4 05/20] target/riscv: Use gdb xml according to max mxlen LIU Zhiwei 2021-11-11 15:51 ` LIU Zhiwei 2021-11-16 3:12 ` Alistair Francis 2021-11-16 3:12 ` Alistair Francis 2021-11-11 15:51 ` [PATCH v4 06/20] target/riscv: Relax debug check for pm write LIU Zhiwei 2021-11-11 15:51 ` LIU Zhiwei 2021-11-16 3:13 ` Alistair Francis 2021-11-16 3:13 ` Alistair Francis 2021-11-11 15:51 ` LIU Zhiwei [this message] 2021-11-11 15:51 ` [PATCH v4 07/20] target/riscv: Adjust csr write mask with XLEN LIU Zhiwei 2021-11-16 3:14 ` Alistair Francis 2021-11-16 3:14 ` Alistair Francis 2021-11-11 15:51 ` [PATCH v4 08/20] target/riscv: Create current pm fields in env LIU Zhiwei 2021-11-11 15:51 ` LIU Zhiwei 2021-11-19 4:22 ` Alistair Francis 2021-11-19 4:22 ` Alistair Francis 2021-11-11 15:51 ` [PATCH v4 09/20] target/riscv: Alloc tcg global for cur_pm[mask|base] LIU Zhiwei 2021-11-11 15:51 ` LIU Zhiwei 2021-11-19 4:29 ` Alistair Francis 2021-11-19 4:29 ` Alistair Francis 2021-11-11 15:51 ` [PATCH v4 10/20] target/riscv: Calculate address according to XLEN LIU Zhiwei 2021-11-11 15:51 ` LIU Zhiwei 2021-11-19 4:32 ` Alistair Francis 2021-11-19 4:32 ` Alistair Francis 2021-11-11 15:51 ` [PATCH v4 11/20] target/riscv: Split pm_enabled into mask and base LIU Zhiwei 2021-11-11 15:51 ` LIU Zhiwei 2021-11-19 4:51 ` Alistair Francis 2021-11-19 4:51 ` Alistair Francis 2021-11-11 15:51 ` [PATCH v4 12/20] target/riscv: Split out the vill from vtype LIU Zhiwei 2021-11-11 15:51 ` LIU Zhiwei 2021-11-19 4:55 ` Alistair Francis 2021-11-19 4:55 ` Alistair Francis 2021-11-11 15:51 ` [PATCH v4 13/20] target/riscv: Fix RESERVED field length in VTYPE LIU Zhiwei 2021-11-11 15:51 ` LIU Zhiwei 2021-11-19 4:56 ` Alistair Francis 2021-11-19 4:56 ` Alistair Francis 2021-11-11 15:51 ` [PATCH v4 14/20] target/riscv: Adjust vsetvl according to XLEN LIU Zhiwei 2021-11-11 15:51 ` LIU Zhiwei 2021-11-19 12:40 ` Alistair Francis 2021-11-19 12:40 ` Alistair Francis 2021-11-11 15:51 ` [PATCH v4 15/20] target/riscv: Remove VILL field in VTYPE LIU Zhiwei 2021-11-11 15:51 ` LIU Zhiwei 2021-11-19 12:33 ` Alistair Francis 2021-11-19 12:33 ` Alistair Francis 2021-11-11 15:51 ` [PATCH v4 16/20] target/riscv: Ajdust vector atomic check with XLEN LIU Zhiwei 2021-11-11 15:51 ` LIU Zhiwei 2021-11-19 12:34 ` Alistair Francis 2021-11-19 12:34 ` Alistair Francis 2021-11-11 15:51 ` [PATCH v4 17/20] target/riscv: Fix check range for first fault only LIU Zhiwei 2021-11-11 15:51 ` LIU Zhiwei 2021-11-19 12:42 ` Alistair Francis 2021-11-19 12:42 ` Alistair Francis 2021-11-11 15:51 ` [PATCH v4 18/20] target/riscv: Adjust vector address with mask LIU Zhiwei 2021-11-11 15:51 ` LIU Zhiwei 2021-11-19 12:46 ` Alistair Francis 2021-11-19 12:46 ` Alistair Francis 2021-11-11 15:51 ` [PATCH v4 19/20] target/riscv: Adjust scalar reg in vector with XLEN LIU Zhiwei 2021-11-11 15:51 ` LIU Zhiwei 2021-11-11 15:51 ` [PATCH v4 20/20] target/riscv: Enable uxl field write LIU Zhiwei 2021-11-11 15:51 ` LIU Zhiwei 2021-11-11 18:23 ` Richard Henderson 2021-11-11 18:23 ` Richard Henderson 2021-11-19 12:55 ` Alistair Francis 2021-11-19 12:55 ` Alistair Francis 2021-11-19 12:57 ` [PATCH v4 00/20] Support UXL filed in xstatus Alistair Francis 2021-11-19 12:57 ` Alistair Francis 2021-11-19 13:44 ` LIU Zhiwei 2021-11-19 13:44 ` LIU Zhiwei
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