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From: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
To: qemu-devel@nongnu.org
Cc: qemu-riscv@nongnu.org, palmer@dabbelt.com,
	alistair.francis@wdc.com, dbarboza@ventanamicro.com,
	liwei1518@gmail.com, bmeng.cn@gmail.com,
	TANG Tiancheng <tangtiancheng.ttc@alibaba-inc.com>,
	Liu Zhiwei <zhiwei_liu@linux.alibaba.com>
Subject: [PATCH 2/6] target/riscv: Adjust PMP size for no-MMU RV64 QEMU running RV32
Date: Mon,  1 Jul 2024 11:37:18 +0800	[thread overview]
Message-ID: <20240701033722.954-3-zhiwei_liu@linux.alibaba.com> (raw)
In-Reply-To: <20240701033722.954-1-zhiwei_liu@linux.alibaba.com>

From: TANG Tiancheng <tangtiancheng.ttc@alibaba-inc.com>

Ensure pmp_size is correctly determined using mxl for RV32
in RV64 QEMU.

Signed-off-by: TANG Tiancheng <tangtiancheng.ttc@alibaba-inc.com>
Reviewed-by: Liu Zhiwei <zhiwei_liu@linux.alibaba.com>
---
 target/riscv/pmp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/riscv/pmp.c b/target/riscv/pmp.c
index 9eea397e72..f65aa3dba7 100644
--- a/target/riscv/pmp.c
+++ b/target/riscv/pmp.c
@@ -326,7 +326,7 @@ bool pmp_hart_has_privs(CPURISCVState *env, hwaddr addr,
              */
             pmp_size = -(addr | TARGET_PAGE_MASK);
         } else {
-            pmp_size = sizeof(target_ulong);
+            pmp_size = 2UL << riscv_cpu_mxl(env);
         }
     } else {
         pmp_size = size;
-- 
2.43.0



  parent reply	other threads:[~2024-07-01  3:40 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-07-01  3:37 [PATCH 0/6] target/riscv: Expose RV32 cpu to RV64 QEMU LIU Zhiwei
2024-07-01  3:37 ` [PATCH 1/6] target/riscv: Add fw_dynamic_info32 for booting RV32 OpenSBI LIU Zhiwei
2024-07-03  2:27   ` Alistair Francis
2024-07-01  3:37 ` LIU Zhiwei [this message]
2024-07-03  2:28   ` [PATCH 2/6] target/riscv: Adjust PMP size for no-MMU RV64 QEMU running RV32 Alistair Francis
2024-07-01  3:37 ` [PATCH 3/6] target/riscv: Correct SXL return value for RV32 in RV64 QEMU LIU Zhiwei
2024-07-01 15:10   ` Philippe Mathieu-Daudé
2024-07-02  1:48     ` LIU Zhiwei
2024-07-01  3:37 ` [PATCH 4/6] target/riscv: Detect sxl to set bit width for RV32 in RV64 LIU Zhiwei
2024-07-03  2:33   ` Alistair Francis
2024-07-03  2:46     ` LIU Zhiwei
2024-07-01  3:37 ` [PATCH 5/6] target/riscv: Correct mcause/scause bit width for RV32 in RV64 QEMU LIU Zhiwei
2024-07-01  3:37 ` [PATCH 6/6] target/riscv: Enable RV32 CPU support " LIU Zhiwei
2024-07-02 14:18 ` [PATCH 0/6] target/riscv: Expose RV32 cpu to " Philippe Mathieu-Daudé
2024-07-03  2:35   ` Alistair Francis

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