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Posted to commits@nuttx.apache.org by GitBox <gi...@apache.org> on 2022/01/24 02:33:42 UTC

[GitHub] [incubator-nuttx] zhuyanlinzyl commented on a change in pull request #5261: xtensa: add svccall handler and use svc call in context switch

zhuyanlinzyl commented on a change in pull request #5261:
URL: https://github.com/apache/incubator-nuttx/pull/5261#discussion_r790379315



##########
File path: arch/xtensa/include/syscall.h
##########
@@ -29,10 +29,33 @@
  * Included Files
  ****************************************************************************/
 
+#include <nuttx/config.h>
+#include <debug.h>
+#include <arch/irq.h>
+
+#ifndef __ASSEMBLY__
+#  include <stdint.h>
+#endif
+
 /****************************************************************************
  * Pre-processor Definitions
  ****************************************************************************/
 
+/* This is the value used as the argument to the SVC instruction.

Review comment:
       We implemented the windowed register ABI.




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