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[PULL,05/23] target/riscv: Fix definition of MSTATUS_TW and MSTATUS_TSR

Message ID 20201218060114.3591217-6-alistair.francis@wdc.com
State New
Headers show
Series [PULL,01/23] hw/riscv: sifive_u: Add UART1 DT node in the generated DTB | expand

Commit Message

Alistair Francis Dec. 18, 2020, 6 a.m. UTC 
From: Alex Richardson <Alexander.Richardson@cl.cam.ac.uk>

The TW and TSR fields should be bits 21 and 22 and not 30/29.
This was found while comparing QEMU behaviour against the sail formal
model (https://github.com/rems-project/sail-riscv/).

Signed-off-by: Alex Richardson <Alexander.Richardson@cl.cam.ac.uk>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20201130170117.71281-1-Alexander.Richardson@cl.cam.ac.uk
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
---
 target/riscv/cpu_bits.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/target/riscv/cpu_bits.h b/target/riscv/cpu_bits.h
index 24b24c69c5..92147332c6 100644
--- a/target/riscv/cpu_bits.h
+++ b/target/riscv/cpu_bits.h
@@ -379,8 +379,8 @@ 
 #define MSTATUS_MXR         0x00080000
 #define MSTATUS_VM          0x1F000000 /* until: priv-1.9.1 */
 #define MSTATUS_TVM         0x00100000 /* since: priv-1.10 */
-#define MSTATUS_TW          0x20000000 /* since: priv-1.10 */
-#define MSTATUS_TSR         0x40000000 /* since: priv-1.10 */
+#define MSTATUS_TW          0x00200000 /* since: priv-1.10 */
+#define MSTATUS_TSR         0x00400000 /* since: priv-1.10 */
 #define MSTATUS_GVA         0x4000000000ULL
 #define MSTATUS_MPV         0x8000000000ULL