diff options
Diffstat (limited to 'target-microblaze/op_helper.c')
| -rw-r--r-- | target-microblaze/op_helper.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/target-microblaze/op_helper.c b/target-microblaze/op_helper.c index d99c564375..7232c71998 100644 --- a/target-microblaze/op_helper.c +++ b/target-microblaze/op_helper.c @@ -483,6 +483,17 @@ void helper_memalign(uint32_t addr, uint32_t dr, uint32_t wr, uint32_t mask) } } +void helper_stackprot(uint32_t addr) +{ + if (addr < env->slr || addr > env->shr) { + qemu_log("Stack protector violation at %x %x %x\n", + addr, env->slr, env->shr); + env->sregs[SR_EAR] = addr; + env->sregs[SR_ESR] = ESR_EC_STACKPROT; + helper_raise_exception(EXCP_HW_EXCP); + } +} + #if !defined(CONFIG_USER_ONLY) /* Writes/reads to the MMU's special regs end up here. */ uint32_t helper_mmu_read(uint32_t rn) |