Message ID | 20211019164447.16359-7-imp@bsdimp.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | bsd-user: arm (32-bit) support | expand |
On Tue, Oct 19, 2021 at 11:45 AM Warner Losh <imp@bsdimp.com> wrote: > > Add a boiler plate CPU loop that does nothing except return an error for > all traps. > > Signed-off-by: Sean Bruno <sbruno@FreeBSD.org> > Signed-off-by: Stacey Son <sson@FreeBSD.org> > Signed-off-by: Warner Losh <imp@bsdimp.com> > --- > bsd-user/arm/target_arch_cpu.h | 22 ++++++++++++++++++++++ > 1 file changed, 22 insertions(+) > > diff --git a/bsd-user/arm/target_arch_cpu.h b/bsd-user/arm/target_arch_cpu.h > index c71ec000b3..94c9109c3f 100644 > --- a/bsd-user/arm/target_arch_cpu.h > +++ b/bsd-user/arm/target_arch_cpu.h > @@ -35,6 +35,28 @@ static inline void target_cpu_init(CPUARMState *env, > } > } > > +static inline void target_cpu_loop(CPUARMState *env) > +{ > + int trapnr; > + target_siginfo_t info; > + CPUState *cs = env_cpu(env); > + > + for (;;) { > + cpu_exec_start(cs); > + trapnr = cpu_exec(cs); > + cpu_exec_end(cs); > + process_queued_cpu_work(cs); > + switch (trapnr) { > + default: > + fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", > + trapnr); > + cpu_dump_state(cs, stderr, 0); > + abort(); > + } /* switch() */ > + process_pending_signals(env); > + } /* for (;;) */ > +} > + > static inline void target_cpu_clone_regs(CPUARMState *env, target_ulong newsp) > { > if (newsp) { > -- > 2.32.0 > Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
On 10/19/21 9:44 AM, Warner Losh wrote: > Add a boiler plate CPU loop that does nothing except return an error for > all traps. > > Signed-off-by: Sean Bruno<sbruno@FreeBSD.org> > Signed-off-by: Stacey Son<sson@FreeBSD.org> > Signed-off-by: Warner Losh<imp@bsdimp.com> > --- > bsd-user/arm/target_arch_cpu.h | 22 ++++++++++++++++++++++ > 1 file changed, 22 insertions(+) Reviewed-by: Richard Henderson <richard.henderson@linaro.org> r~
diff --git a/bsd-user/arm/target_arch_cpu.h b/bsd-user/arm/target_arch_cpu.h index c71ec000b3..94c9109c3f 100644 --- a/bsd-user/arm/target_arch_cpu.h +++ b/bsd-user/arm/target_arch_cpu.h @@ -35,6 +35,28 @@ static inline void target_cpu_init(CPUARMState *env, } } +static inline void target_cpu_loop(CPUARMState *env) +{ + int trapnr; + target_siginfo_t info; + CPUState *cs = env_cpu(env); + + for (;;) { + cpu_exec_start(cs); + trapnr = cpu_exec(cs); + cpu_exec_end(cs); + process_queued_cpu_work(cs); + switch (trapnr) { + default: + fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", + trapnr); + cpu_dump_state(cs, stderr, 0); + abort(); + } /* switch() */ + process_pending_signals(env); + } /* for (;;) */ +} + static inline void target_cpu_clone_regs(CPUARMState *env, target_ulong newsp) { if (newsp) {