43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
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/* Copyright 2013-2019 IBM Corp. */
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#ifndef __DEBUG_DESCRIPTOR_H
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#define __DEBUG_DESCRIPTOR_H
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#define OPAL_BOOT_COMPLETE 0x1
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/* Debug descriptor. This structure is pointed to by the word at offset
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* 0x80 in the sapphire binary
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*/
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struct debug_descriptor {
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u8 eye_catcher[8]; /* "OPALdbug" */
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#define DEBUG_DESC_VERSION 1
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__be32 version;
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u8 console_log_levels; /* high 4 bits in memory,
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* low 4 bits driver (e.g. uart). */
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u8 state_flags; /* various state flags - OPAL_BOOT_COMPLETE etc */
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__be16 reserved2;
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__be32 reserved[2];
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/* Memory console */
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__be64 memcons_phys;
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__be32 memcons_tce;
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__be32 memcons_obuf_tce;
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__be32 memcons_ibuf_tce;
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/* Traces */
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__be64 trace_mask;
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__be32 num_traces;
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#define DEBUG_DESC_MAX_TRACES 256
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__be64 trace_phys[DEBUG_DESC_MAX_TRACES];
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__be32 trace_size[DEBUG_DESC_MAX_TRACES];
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__be32 trace_tce[DEBUG_DESC_MAX_TRACES];
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__be16 trace_pir[DEBUG_DESC_MAX_TRACES];
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};
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extern struct debug_descriptor debug_descriptor;
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static inline bool opal_booting(void)
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{
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return !(debug_descriptor.state_flags & OPAL_BOOT_COMPLETE);
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}
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#endif
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