anchao commented on code in PR #6286:
URL: https://github.com/apache/incubator-nuttx/pull/6286#discussion_r876218398
##########
arch/z80/include/irq.h:
##########
@@ -32,4 +32,55 @@
#include <nuttx/irq.h>
#include <arch/chip/irq.h>
+#ifndef __ASSEMBLY__
+# include <stdbool.h>
+# include "chip/switch.h"
+#endif
+
+/****************************************************************************
+ * Inline functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: up_interrupt_context
+ *
+ * Description:
+ * Return true is we are currently executing in the interrupt
+ * handler context.
+ *
+ ****************************************************************************/
+
+#ifndef __ASSEMBLY__
+static inline bool up_interrupt_context(void)
+{
+ return IN_INTERRUPT();
+}
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: up_cpu_index
+ *
+ * Description:
+ * Return an index in the range of 0 through (CONFIG_SMP_NCPUS-1) that
+ * corresponds to the currently executing CPU.
+ *
+ * Input Parameters:
+ * None
+ *
+ * Returned Value:
+ * An integer index in the range of 0 through (CONFIG_SMP_NCPUS-1) that
+ * corresponds to the currently executing CPU.
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_SMP
+int up_cpu_index(void);
+#else
+# define up_cpu_index() (0)
+#endif
+#endif
Review Comment:
irq.h will be included before arch.h during preprocessing phase
```
In file included from incubator-nuttx/include/nuttx/irq.h:37,
from incubator-nuttx/include/nuttx/sched.h:39,
from incubator-nuttx/include/nuttx/arch.h:87,
from incubator-nuttx/include/nuttx/userspace.h:35,
from n2/incubator-nuttx/include/nuttx/kmalloc.h:36,
from incubator-nuttx/include/nuttx/lib/lib.h:31,
from libxx_cxa_atexit.cxx:27:
incubator-nuttx/include/arch/irq.h: In function 'bool
up_interrupt_context()':
incubator-nuttx/include/arch/irq.h:135:14: error: 'up_cpu_index' was not
declared in this scope
135 | bool ret = CURRENT_REGS != NULL;
| ^~~~~~~~~~~~
```
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