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From: Alistair Francis <alistair.francis@wdc.com>
To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org
Cc: alistair.francis@wdc.com, bmeng.cn@gmail.com, palmer@dabbelt.com,
	alistair23@gmail.com
Subject: [PATCH v3 10/15] target/riscv: Add a riscv_cpu_is_32bit() helper function
Date: Mon, 14 Dec 2020 12:34:23 -0800	[thread overview]
Message-ID: <a63751df8b9262ce91a86c07e6749efc0e391e98.1607967113.git.alistair.francis@wdc.com> (raw)
In-Reply-To: <cover.1607967113.git.alistair.francis@wdc.com>

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bin.meng@windriver.com>
Tested-by: Bin Meng <bin.meng@windriver.com>
---
 target/riscv/cpu.h | 2 ++
 target/riscv/cpu.c | 9 +++++++++
 2 files changed, 11 insertions(+)

diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h
index 9c064f3094..6339e84819 100644
--- a/target/riscv/cpu.h
+++ b/target/riscv/cpu.h
@@ -384,6 +384,8 @@ FIELD(TB_FLAGS, VILL, 8, 1)
 /* Is a Hypervisor instruction load/store allowed? */
 FIELD(TB_FLAGS, HLSX, 9, 1)
 
+bool riscv_cpu_is_32bit(CPURISCVState *env);
+
 /*
  * A simplification for VLMAX
  * = (1 << LMUL) * VLEN / (8 * (1 << SEW))
diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index 6a0264fc6b..32a6916b8a 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -108,6 +108,15 @@ const char *riscv_cpu_get_trap_name(target_ulong cause, bool async)
     }
 }
 
+bool riscv_cpu_is_32bit(CPURISCVState *env)
+{
+    if (env->misa & RV64) {
+        return false;
+    }
+
+    return true;
+}
+
 static void set_misa(CPURISCVState *env, target_ulong misa)
 {
     env->misa_mask = env->misa = misa;
-- 
2.29.2



WARNING: multiple messages have this Message-ID (diff)
From: Alistair Francis <alistair.francis@wdc.com>
To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org
Cc: bmeng.cn@gmail.com, palmer@dabbelt.com, alistair.francis@wdc.com,
	alistair23@gmail.com
Subject: [PATCH v3 10/15] target/riscv: Add a riscv_cpu_is_32bit() helper function
Date: Mon, 14 Dec 2020 12:34:23 -0800	[thread overview]
Message-ID: <a63751df8b9262ce91a86c07e6749efc0e391e98.1607967113.git.alistair.francis@wdc.com> (raw)
In-Reply-To: <cover.1607967113.git.alistair.francis@wdc.com>

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bin.meng@windriver.com>
Tested-by: Bin Meng <bin.meng@windriver.com>
---
 target/riscv/cpu.h | 2 ++
 target/riscv/cpu.c | 9 +++++++++
 2 files changed, 11 insertions(+)

diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h
index 9c064f3094..6339e84819 100644
--- a/target/riscv/cpu.h
+++ b/target/riscv/cpu.h
@@ -384,6 +384,8 @@ FIELD(TB_FLAGS, VILL, 8, 1)
 /* Is a Hypervisor instruction load/store allowed? */
 FIELD(TB_FLAGS, HLSX, 9, 1)
 
+bool riscv_cpu_is_32bit(CPURISCVState *env);
+
 /*
  * A simplification for VLMAX
  * = (1 << LMUL) * VLEN / (8 * (1 << SEW))
diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index 6a0264fc6b..32a6916b8a 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -108,6 +108,15 @@ const char *riscv_cpu_get_trap_name(target_ulong cause, bool async)
     }
 }
 
+bool riscv_cpu_is_32bit(CPURISCVState *env)
+{
+    if (env->misa & RV64) {
+        return false;
+    }
+
+    return true;
+}
+
 static void set_misa(CPURISCVState *env, target_ulong misa)
 {
     env->misa_mask = env->misa = misa;
-- 
2.29.2



  parent reply	other threads:[~2020-12-14 20:40 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-14 20:33 [PATCH v3 00/15] RISC-V: Start to remove xlen preprocess Alistair Francis
2020-12-14 20:33 ` Alistair Francis
2020-12-14 20:33 ` [PATCH v3 01/15] hw/riscv: Expand the is 32-bit check to support more CPUs Alistair Francis
2020-12-14 20:33   ` Alistair Francis
2020-12-15  9:26   ` Bin Meng
2020-12-15  9:26     ` Bin Meng
2020-12-15 16:44     ` Alistair Francis
2020-12-15 16:44       ` Alistair Francis
2020-12-15 21:25       ` Richard Henderson
2020-12-15 21:25         ` Richard Henderson
2020-12-16 18:16         ` Alistair Francis
2020-12-16 18:16           ` Alistair Francis
2020-12-14 20:34 ` [PATCH v3 02/15] target/riscv: Add a TYPE_RISCV_CPU_BASE CPU Alistair Francis
2020-12-14 20:34   ` Alistair Francis
2020-12-14 20:34 ` [PATCH v3 03/15] riscv: spike: Remove target macro conditionals Alistair Francis
2020-12-14 20:34   ` Alistair Francis
2020-12-14 20:34 ` [PATCH v3 04/15] riscv: virt: " Alistair Francis
2020-12-14 20:34   ` Alistair Francis
2020-12-14 20:34 ` [PATCH v3 05/15] hw/riscv: boot: Remove compile time XLEN checks Alistair Francis
2020-12-14 20:34   ` Alistair Francis
2020-12-14 20:34 ` [PATCH v3 06/15] hw/riscv: virt: " Alistair Francis
2020-12-14 20:34   ` Alistair Francis
2020-12-14 20:34 ` [PATCH v3 07/15] hw/riscv: spike: " Alistair Francis
2020-12-14 20:34   ` Alistair Francis
2020-12-14 20:34 ` [PATCH v3 08/15] hw/riscv: sifive_u: " Alistair Francis
2020-12-14 20:34   ` Alistair Francis
2020-12-14 20:34 ` [PATCH v3 09/15] target/riscv: fpu_helper: Match function defs in HELPER macros Alistair Francis
2020-12-14 20:34   ` Alistair Francis
2020-12-15  9:38   ` Bin Meng
2020-12-15  9:38     ` Bin Meng
2020-12-15 15:13     ` Richard Henderson
2020-12-15 15:13       ` Richard Henderson
2020-12-15 17:15       ` Alistair Francis
2020-12-15 17:15         ` Alistair Francis
2020-12-14 20:34 ` Alistair Francis [this message]
2020-12-14 20:34   ` [PATCH v3 10/15] target/riscv: Add a riscv_cpu_is_32bit() helper function Alistair Francis
2020-12-14 20:34 ` [PATCH v3 11/15] target/riscv: Specify the XLEN for CPUs Alistair Francis
2020-12-14 20:34   ` Alistair Francis
2020-12-14 20:34 ` [PATCH v3 12/15] target/riscv: cpu: Remove compile time XLEN checks Alistair Francis
2020-12-14 20:34   ` Alistair Francis
2020-12-14 20:34 ` [PATCH v3 13/15] target/riscv: cpu_helper: " Alistair Francis
2020-12-14 20:34   ` Alistair Francis
2020-12-14 20:34 ` [PATCH v3 14/15] target/riscv: csr: " Alistair Francis
2020-12-14 20:34   ` Alistair Francis
2020-12-15 13:27   ` Bin Meng
2020-12-15 13:27     ` Bin Meng
2020-12-14 20:34 ` [PATCH v3 15/15] target/riscv: cpu: Set XLEN independently from target Alistair Francis
2020-12-14 20:34   ` Alistair Francis

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