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authorClément Léger <cleger@rivosinc.com>2025-01-10 13:54:37 +0100
committerAlistair Francis <alistair.francis@wdc.com>2025-01-19 09:44:35 +1000
commitd2e92f1c6d4441221e3ae07dd24613d479b310dc (patch)
tree8b379bc90c0a71bd91c27602d7aab18c6af30def /target/riscv/cpu_bits.h
parentb0edcbe755e88f969a5e201c093bad453ba4a13b (diff)
downloadfocaccia-qemu-d2e92f1c6d4441221e3ae07dd24613d479b310dc.tar.gz
focaccia-qemu-d2e92f1c6d4441221e3ae07dd24613d479b310dc.zip
target/riscv: Add Smdbltrp CSRs handling
Add `ext_smdbltrp`in RISCVCPUConfig and implement MSTATUS.MDT behavior.
Also set MDT to 1 at reset according to the specification.

Signed-off-by: Clément Léger <cleger@rivosinc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20250110125441.3208676-7-cleger@rivosinc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to 'target/riscv/cpu_bits.h')
-rw-r--r--target/riscv/cpu_bits.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/target/riscv/cpu_bits.h b/target/riscv/cpu_bits.h
index a3acda4bc8..f97c48a394 100644
--- a/target/riscv/cpu_bits.h
+++ b/target/riscv/cpu_bits.h
@@ -559,6 +559,7 @@
 #define MSTATUS_MPELP       0x020000000000 /* zicfilp */
 #define MSTATUS_GVA         0x4000000000ULL
 #define MSTATUS_MPV         0x8000000000ULL
+#define MSTATUS_MDT         0x40000000000ULL /* Smdbltrp extension */
 
 #define MSTATUS64_UXL       0x0000000300000000ULL
 #define MSTATUS64_SXL       0x0000000C00000000ULL