diff options
Diffstat (limited to 'accel')
| -rw-r--r-- | accel/tcg/user-exec.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/accel/tcg/user-exec.c b/accel/tcg/user-exec.c index bc391eb..d8b027f 100644 --- a/accel/tcg/user-exec.c +++ b/accel/tcg/user-exec.c @@ -558,6 +558,32 @@ int cpu_signal_handler(int host_signum, void *pinfo, #elif defined(__aarch64__) +#if defined(__NetBSD__) + +#include <ucontext.h> +#include <sys/siginfo.h> + +int cpu_signal_handler(int host_signum, void *pinfo, void *puc) +{ + ucontext_t *uc = puc; + siginfo_t *si = pinfo; + unsigned long pc; + int is_write; + uint32_t esr; + + pc = uc->uc_mcontext.__gregs[_REG_PC]; + esr = si->si_trap; + + /* + * siginfo_t::si_trap is the ESR value, for data aborts ESR.EC + * is 0b10010x: then bit 6 is the WnR bit + */ + is_write = extract32(esr, 27, 5) == 0x12 && extract32(esr, 6, 1) == 1; + return handle_cpu_signal(pc, si, is_write, &uc->uc_sigmask); +} + +#else + #ifndef ESR_MAGIC /* Pre-3.16 kernel headers don't have these, so provide fallback definitions */ #define ESR_MAGIC 0x45535201 @@ -620,6 +646,7 @@ int cpu_signal_handler(int host_signum, void *pinfo, void *puc) } return handle_cpu_signal(pc, info, is_write, &uc->uc_sigmask); } +#endif #elif defined(__s390__) |