diff options
| -rw-r--r-- | target/arm/helper.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/target/arm/helper.c b/target/arm/helper.c index 550dc3d290..1ae11997fb 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -10507,6 +10507,16 @@ void HELPER(v7m_msr)(CPUARMState *env, uint32_t maskreg, uint32_t val) } env->v7m.faultmask[M_REG_NS] = val & 1; return; + case 0x94: /* CONTROL_NS */ + if (!env->v7m.secure) { + return; + } + write_v7m_control_spsel_for_secstate(env, + val & R_V7M_CONTROL_SPSEL_MASK, + M_REG_NS); + env->v7m.control[M_REG_NS] &= ~R_V7M_CONTROL_NPRIV_MASK; + env->v7m.control[M_REG_NS] |= val & R_V7M_CONTROL_NPRIV_MASK; + return; case 0x98: /* SP_NS */ { /* This gives the non-secure SP selected based on whether we're |