diff mbox series

[v2,07/30] bsd-user/arm/target_arch_cpu.h: Dummy target_cpu_loop implementation

Message ID 20211102225248.52999-8-imp@bsdimp.com (mailing list archive)
State New, archived
Headers show
Series bsd-user: arm (32-bit) support | expand

Commit Message

Warner Losh Nov. 2, 2021, 10:52 p.m. UTC 
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>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
 bsd-user/arm/target_arch_cpu.h | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
diff mbox series

Patch

diff --git a/bsd-user/arm/target_arch_cpu.h b/bsd-user/arm/target_arch_cpu.h
index fa45d9335d..2484bdc2f7 100644
--- a/bsd-user/arm/target_arch_cpu.h
+++ b/bsd-user/arm/target_arch_cpu.h
@@ -36,6 +36,28 @@  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) {