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authorTANG Tiancheng <tangtiancheng.ttc@alibaba-inc.com>2024-09-19 13:50:43 +0800
committerAlistair Francis <alistair.francis@wdc.com>2024-10-30 11:22:07 +1000
commit929e4277c128772bad41cc795995f754cb9991af (patch)
tree72e8e960056f5d94f3e1ee5fc0a756be8cb0d2d1 /target/riscv
parentefd29e3398001c764fc9f0066ba1589e6ebc1043 (diff)
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target/riscv: Correct SXL return value for RV32 in RV64 QEMU
Ensure that riscv_cpu_sxl returns MXL_RV32 when runningRV32 in an RV64 QEMU. Signed-off-by: TANG Tiancheng <tangtiancheng.ttc@alibaba-inc.com> Fixes: 05e6ca5e156 ("target/riscv: Ignore reserved bits in PTE for RV64") Reviewed-by: Liu Zhiwei <zhiwei_liu@linux.alibaba.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-ID: <20240919055048.562-4-zhiwei_liu@linux.alibaba.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to 'target/riscv')
-rw-r--r--target/riscv/cpu.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h
index 1619c3a..a63a297 100644
--- a/target/riscv/cpu.h
+++ b/target/riscv/cpu.h
@@ -709,8 +709,11 @@ static inline RISCVMXL riscv_cpu_sxl(CPURISCVState *env)
#ifdef CONFIG_USER_ONLY
return env->misa_mxl;
#else
- return get_field(env->mstatus, MSTATUS64_SXL);
+ if (env->misa_mxl != MXL_RV32) {
+ return get_field(env->mstatus, MSTATUS64_SXL);
+ }
#endif
+ return MXL_RV32;
}
#endif