qemu: fix smp boot not enter idle

Configuring NuttX and compile: $ ./tools/configure.sh -l qemu-armv8a:nsh_smp $ make Running with qemu $ qemu-system-aarch64 -cpu cortex-a53 -smp 4 -nographic \ -machine virt,virtualization=on,gic-version=3 \ -net none -chardev stdio,id=con,mux=on -serial chardev:con \ -mon chardev=con,mode=readline -kernel ./nuttx Signed-off-by: hujun5 <[email protected]>
hujun260 · Sep 16, 2024 · 8a48fba · 8a48fba
1 parent 872208f
commit 8a48fba
Showing 1 changed file with 3 additions and 8 deletions.
diff --git a/arch/arm/src/qemu/qemu_cpuboot.c b/arch/arm/src/qemu/qemu_cpuboot.c
@@ -31,6 +31,7 @@
 #include <nuttx/sched.h>
 #include <arch/irq.h>
 
+#include "init/init.h"
 #include "arm_internal.h"
 #include "sctlr.h"
 #include "smp.h"
@@ -159,14 +160,8 @@ void arm_cpu_boot(int cpu)
   up_irq_enable();
 #endif
 
-  /* The next thing that we expect to happen is for logic running on CPU0
-   * to call up_cpu_start() which generate an SGI and a context switch to
-   * the configured NuttX IDLE task.
-   */
+  /* Then transfer control to the IDLE task */
 
-  for (; ; )
-    {
-      asm("WFI");
-    }
+  nx_idle_trampoline();
 }
 #endif /* CONFIG_SMP */