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-rw-r--r--target/riscv/cpu.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index ee2523f66b..5702c53c62 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -489,6 +489,9 @@ static void riscv_cpu_realize(DeviceState *dev, Error **errp)
if (cpu->cfg.ext_h) {
target_misa |= RVH;
}
+ if (cpu->cfg.ext_b) {
+ target_misa |= RVB;
+ }
if (cpu->cfg.ext_v) {
target_misa |= RVV;
if (!is_power_of_2(cpu->cfg.vlen)) {
@@ -559,6 +562,7 @@ static Property riscv_cpu_properties[] = {
DEFINE_PROP_BOOL("s", RISCVCPU, cfg.ext_s, true),
DEFINE_PROP_BOOL("u", RISCVCPU, cfg.ext_u, true),
/* This is experimental so mark with 'x-' */
+ DEFINE_PROP_BOOL("x-b", RISCVCPU, cfg.ext_b, false),
DEFINE_PROP_BOOL("x-h", RISCVCPU, cfg.ext_h, false),
DEFINE_PROP_BOOL("x-v", RISCVCPU, cfg.ext_v, false),
DEFINE_PROP_BOOL("Counters", RISCVCPU, cfg.ext_counters, true),