56 lines
1.6 KiB
C
56 lines
1.6 KiB
C
/* Copyright 2013-2018 IBM Corp.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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* implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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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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u32 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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u16 reserved2;
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u32 reserved[2];
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/* Memory console */
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u64 memcons_phys;
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u32 memcons_tce;
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u32 memcons_obuf_tce;
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u32 memcons_ibuf_tce;
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/* Traces */
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u64 trace_mask;
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u32 num_traces;
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#define DEBUG_DESC_MAX_TRACES 256
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u64 trace_phys[DEBUG_DESC_MAX_TRACES];
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u32 trace_size[DEBUG_DESC_MAX_TRACES];
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u32 trace_tce[DEBUG_DESC_MAX_TRACES];
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u16 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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