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-rw-r--r--arch/x86/include/asm/pm-trace.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pm-trace.h b/arch/x86/include/asm/pm-trace.h
new file mode 100644
index 000000000..bfa32aa42
--- /dev/null
+++ b/arch/x86/include/asm/pm-trace.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_X86_PM_TRACE_H
+#define _ASM_X86_PM_TRACE_H
+
+#include <asm/asm.h>
+
+#define TRACE_RESUME(user) \
+do { \
+ if (pm_trace_enabled) { \
+ const void *tracedata; \
+ asm volatile(_ASM_MOV " $1f,%0\n" \
+ ".section .tracedata,\"a\"\n" \
+ "1:\t.word %c1\n\t" \
+ _ASM_PTR " %c2\n" \
+ ".previous" \
+ :"=r" (tracedata) \
+ : "i" (__LINE__), "i" (__FILE__)); \
+ generate_pm_trace(tracedata, user); \
+ } \
+} while (0)
+
+#define TRACE_SUSPEND(user) TRACE_RESUME(user)
+
+#endif /* _ASM_X86_PM_TRACE_H */