From: Alistair Francis <alistair23@gmail.com> To: LIU Zhiwei <zhiwei_liu@c-sky.com> Cc: "open list:RISC-V" <qemu-riscv@nongnu.org>, Bin Meng <bin.meng@windriver.com>, Richard Henderson <richard.henderson@linaro.org>, "qemu-devel@nongnu.org Developers" <qemu-devel@nongnu.org>, Palmer Dabbelt <palmer@dabbelt.com>, Alistair Francis <Alistair.Francis@wdc.com> Subject: Re: [PATCH v4 03/20] target/riscv: Ignore the pc bits above XLEN Date: Mon, 15 Nov 2021 14:27:43 +1000 [thread overview] Message-ID: <CAKmqyKOyV6R1YFTDsQGDTbU9ggBijGDgyD_2z-CC2jR44Cao-g@mail.gmail.com> (raw) In-Reply-To: <20211111155149.58172-4-zhiwei_liu@c-sky.com> On Fri, Nov 12, 2021 at 1:54 AM LIU Zhiwei <zhiwei_liu@c-sky.com> wrote: > > The read from PC for translation is in cpu_get_tb_cpu_state, before translation. > > Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com> > Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Alistair > --- > target/riscv/cpu_helper.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c > index 9eeed38c7e..4c048cc266 100644 > --- a/target/riscv/cpu_helper.c > +++ b/target/riscv/cpu_helper.c > @@ -70,8 +70,9 @@ void cpu_get_tb_cpu_state(CPURISCVState *env, target_ulong *pc, > target_ulong *cs_base, uint32_t *pflags) > { > uint32_t flags = 0; > + RISCVMXL xl = cpu_get_xl(env); > > - *pc = env->pc; > + *pc = xl == MXL_RV32 ? env->pc & UINT32_MAX : env->pc; > *cs_base = 0; > > if (riscv_has_ext(env, RVV)) { > @@ -127,7 +128,7 @@ void cpu_get_tb_cpu_state(CPURISCVState *env, target_ulong *pc, > } > #endif > > - flags = FIELD_DP32(flags, TB_FLAGS, XL, cpu_get_xl(env)); > + flags = FIELD_DP32(flags, TB_FLAGS, XL, xl); > > *pflags = flags; > } > -- > 2.25.1 > >
WARNING: multiple messages have this Message-ID (diff)
From: Alistair Francis <alistair23@gmail.com> To: LIU Zhiwei <zhiwei_liu@c-sky.com> Cc: "qemu-devel@nongnu.org Developers" <qemu-devel@nongnu.org>, "open list:RISC-V" <qemu-riscv@nongnu.org>, Palmer Dabbelt <palmer@dabbelt.com>, Richard Henderson <richard.henderson@linaro.org>, Bin Meng <bin.meng@windriver.com>, Alistair Francis <Alistair.Francis@wdc.com> Subject: Re: [PATCH v4 03/20] target/riscv: Ignore the pc bits above XLEN Date: Mon, 15 Nov 2021 14:27:43 +1000 [thread overview] Message-ID: <CAKmqyKOyV6R1YFTDsQGDTbU9ggBijGDgyD_2z-CC2jR44Cao-g@mail.gmail.com> (raw) In-Reply-To: <20211111155149.58172-4-zhiwei_liu@c-sky.com> On Fri, Nov 12, 2021 at 1:54 AM LIU Zhiwei <zhiwei_liu@c-sky.com> wrote: > > The read from PC for translation is in cpu_get_tb_cpu_state, before translation. > > Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com> > Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Alistair > --- > target/riscv/cpu_helper.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c > index 9eeed38c7e..4c048cc266 100644 > --- a/target/riscv/cpu_helper.c > +++ b/target/riscv/cpu_helper.c > @@ -70,8 +70,9 @@ void cpu_get_tb_cpu_state(CPURISCVState *env, target_ulong *pc, > target_ulong *cs_base, uint32_t *pflags) > { > uint32_t flags = 0; > + RISCVMXL xl = cpu_get_xl(env); > > - *pc = env->pc; > + *pc = xl == MXL_RV32 ? env->pc & UINT32_MAX : env->pc; > *cs_base = 0; > > if (riscv_has_ext(env, RVV)) { > @@ -127,7 +128,7 @@ void cpu_get_tb_cpu_state(CPURISCVState *env, target_ulong *pc, > } > #endif > > - flags = FIELD_DP32(flags, TB_FLAGS, XL, cpu_get_xl(env)); > + flags = FIELD_DP32(flags, TB_FLAGS, XL, xl); > > *pflags = flags; > } > -- > 2.25.1 > >
next prev parent reply other threads:[~2021-11-15 4:29 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 [this message] 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 ` [PATCH v4 07/20] target/riscv: Adjust csr write mask with XLEN LIU Zhiwei 2021-11-11 15:51 ` 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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