diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
| commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
| tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/x86/include/asm/pm-trace.h | |
| parent | Initial commit. (diff) | |
| download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip | |
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/x86/include/asm/pm-trace.h')
| -rw-r--r-- | arch/x86/include/asm/pm-trace.h | 24 |
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 */ |