diff options
| author | Julia Suvorova <jusual@mail.ru> | 2018-08-14 17:17:19 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2018-08-14 17:17:19 +0100 |
| commit | 22ab3460017cfcfb6b50f05838ad142e08becce5 (patch) | |
| tree | 785a9721a6e4a75b6878ded40e11d886b399de05 /target/arm/cpu.c | |
| parent | 7c9140afd594d7be73320ffaeb08210c59eaf168 (diff) | |
arm: Add ARMv6-M programmer's model support
Forbid stack alignment change. (CCR)
Reserve FAULTMASK, BASEPRI registers.
Report any fault as a HardFault. Disable MemManage, BusFault and
UsageFault, so they always escalated to HardFault. (SHCSR)
Signed-off-by: Julia Suvorova <jusual@mail.ru>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20180718095628.26442-1-jusual@mail.ru
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm/cpu.c')
| -rw-r--r-- | target/arm/cpu.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/target/arm/cpu.c b/target/arm/cpu.c index 64a8005a4b..3848ef46aa 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -231,6 +231,10 @@ static void arm_cpu_reset(CPUState *s) env->v7m.ccr[M_REG_NS] |= R_V7M_CCR_NONBASETHRDENA_MASK; env->v7m.ccr[M_REG_S] |= R_V7M_CCR_NONBASETHRDENA_MASK; } + if (!arm_feature(env, ARM_FEATURE_M_MAIN)) { + env->v7m.ccr[M_REG_NS] |= R_V7M_CCR_UNALIGN_TRP_MASK; + env->v7m.ccr[M_REG_S] |= R_V7M_CCR_UNALIGN_TRP_MASK; + } /* Unlike A/R profile, M profile defines the reset LR value */ env->regs[14] = 0xffffffff; |