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Diffstat (limited to 'nuttx/arch/arm/src/common/up_internal.h')
-rw-r--r--nuttx/arch/arm/src/common/up_internal.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/nuttx/arch/arm/src/common/up_internal.h b/nuttx/arch/arm/src/common/up_internal.h
index 76313b31d..862ceb82c 100644
--- a/nuttx/arch/arm/src/common/up_internal.h
+++ b/nuttx/arch/arm/src/common/up_internal.h
@@ -65,6 +65,12 @@
# define CONFIG_USE_EARLYSERIALINIT 1
#endif
+/* Check if an interrupt stack size is configured */
+
+#ifndef CONFIG_ARCH_INTERRUPTSTACK
+# define CONFIG_ARCH_INTERRUPTSTACK 0
+#endif
+
/****************************************************************************
* Public Types
****************************************************************************/
@@ -92,6 +98,12 @@ extern uint32 *current_regs;
*/
extern uint32 g_heapbase;
+
+/* Address of the saved user stack pointer */
+
+#if CONFIG_ARCH_INTERRUPTSTACK > 3
+extern uint32 g_userstack;
+#endif
#endif
/****************************************************************************