修改内核路径

hc

2024-05-14 bedbef8ad3e75a304af6361af235302bcc61d06b

 kernel/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.h
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@@ -1,16 +1,7 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * intel_pt_pkt_decoder.h: Intel Processor Trace support
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  * Copyright (c) 2013-2014, Intel Corporation.
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms and conditions of the GNU General Public License,
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- * version 2, as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope it will be useful, but WITHOUT
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- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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- * more details.
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- *
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  */
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 #ifndef INCLUDE__INTEL_PT_PKT_DECODER_H__
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@@ -59,6 +50,10 @@
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 	INTEL_PT_MWAIT,
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 	INTEL_PT_PWRE,
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 	INTEL_PT_PWRX,
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+	INTEL_PT_BBP,
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+	INTEL_PT_BIP,
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+	INTEL_PT_BEP,
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+	INTEL_PT_BEP_IP,
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 };
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 struct intel_pt_pkt {
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@@ -67,10 +62,25 @@
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 	uint64_t		payload;
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 };
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+/*
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+ * Decoding of BIP packets conflicts with single-byte TNT packets. Since BIP
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+ * packets only occur in the context of a block (i.e. between BBP and BEP), that
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+ * context must be recorded and passed to the packet decoder.
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+ */
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+enum intel_pt_pkt_ctx {
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+	INTEL_PT_NO_CTX,	/* BIP packets are invalid */
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+	INTEL_PT_BLK_4_CTX,	/* 4-byte BIP packets */
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+	INTEL_PT_BLK_8_CTX,	/* 8-byte BIP packets */
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+};
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+
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 const char *intel_pt_pkt_name(enum intel_pt_pkt_type);
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 int intel_pt_get_packet(const unsigned char *buf, size_t len,
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-			struct intel_pt_pkt *packet);
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+			struct intel_pt_pkt *packet,
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+			enum intel_pt_pkt_ctx *ctx);
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+
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+void intel_pt_upd_pkt_ctx(const struct intel_pt_pkt *packet,
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+			  enum intel_pt_pkt_ctx *ctx);
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 int intel_pt_pkt_desc(const struct intel_pt_pkt *packet, char *buf, size_t len);
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