From af1a266670d040d2f4083ff309d732d648afba2a Mon Sep 17 00:00:00 2001 From: Angelos Mouzakitis Date: Tue, 10 Oct 2023 14:33:42 +0000 Subject: Add submodule dependency files Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec --- roms/skiboot/include/trace.h | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 roms/skiboot/include/trace.h (limited to 'roms/skiboot/include/trace.h') diff --git a/roms/skiboot/include/trace.h b/roms/skiboot/include/trace.h new file mode 100644 index 000000000..1b1be249c --- /dev/null +++ b/roms/skiboot/include/trace.h @@ -0,0 +1,35 @@ +// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later +/* Copyright 2013-2019 IBM Corp. */ + +#ifndef __TRACE_H +#define __TRACE_H +#include +#include +#include +#include + + +struct cpu_thread; + +/* Here's one we prepared earlier. */ +void init_boot_tracebuf(struct cpu_thread *boot_cpu); + +struct trace_info { + /* Lock for writers. Exposed to kernel. */ + struct lock lock; + /* Exposed to kernel. */ + struct tracebuf tb; +}; + +#define TBUF_SZ ((1024 * 1024) - sizeof(struct trace_info) - sizeof(union trace)) + +/* Allocate trace buffers once we know memory topology */ +void init_trace_buffers(void); +void trace_add_dt_props(void); + +/* This will fill in timestamp and cpu; you must do type and len. */ +void trace_add(union trace *trace, u8 type, u16 len); + +/* Put trace node into dt. */ +void trace_add_node(void); +#endif /* __TRACE_H */ -- cgit