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[PATCH v1 09/16] target/riscv: Add a riscv_cpu_is_32bit() helper functio
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From: |
Alistair Francis |
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Subject: |
[PATCH v1 09/16] target/riscv: Add a riscv_cpu_is_32bit() helper function |
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Date: |
Fri, 23 Oct 2020 08:33:37 -0700 |
Signed-off-by: Alistair Francis <alistair.francis@wdc.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 74a236d4bc..86b063543d 100644
--- a/target/riscv/cpu.h
+++ b/target/riscv/cpu.h
@@ -383,6 +383,8 @@ FIELD(TB_FLAGS, LMUL, 3, 2)
FIELD(TB_FLAGS, SEW, 5, 3)
FIELD(TB_FLAGS, VILL, 8, 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 0bbfd7f457..32234d4a70 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -107,6 +107,15 @@ 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;
--
2.28.0
- [PATCH v1 05/16] hw/riscv: virt: Remove compile time XLEN checks, (continued)
- [PATCH v1 05/16] hw/riscv: virt: Remove compile time XLEN checks, Alistair Francis, 2020/10/23
- [PATCH v1 06/16] hw/riscv: spike: Remove compile time XLEN checks, Alistair Francis, 2020/10/23
- [PATCH v1 07/16] hw/riscv: sifive_u: Remove compile time XLEN checks, Alistair Francis, 2020/10/23
- [PATCH v1 08/16] target/riscv: fpu_helper: Match function defs in HELPER macros, Alistair Francis, 2020/10/23
- [PATCH v1 09/16] target/riscv: Add a riscv_cpu_is_32bit() helper function,
Alistair Francis <=
- [PATCH v1 10/16] target/riscv: Specify the XLEN for CPUs, Alistair Francis, 2020/10/23
- [PATCH v1 11/16] target/riscv: cpu: Remove compile time XLEN checks, Alistair Francis, 2020/10/23
- [PATCH v1 12/16] target/riscv: cpu_helper: Remove compile time XLEN checks, Alistair Francis, 2020/10/23
- [PATCH v1 15/16] target/riscv: Convert the get/set_field() to support 64-bit values, Alistair Francis, 2020/10/23
- [PATCH v1 13/16] target/riscv: csr: Remove compile time XLEN checks, Alistair Francis, 2020/10/23