diff options
Diffstat (limited to 'roms/skiboot/include/debug_descriptor.h')
| -rw-r--r-- | roms/skiboot/include/debug_descriptor.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/roms/skiboot/include/debug_descriptor.h b/roms/skiboot/include/debug_descriptor.h new file mode 100644 index 000000000..3ac487b00 --- /dev/null +++ b/roms/skiboot/include/debug_descriptor.h @@ -0,0 +1,43 @@ +// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later +/* Copyright 2013-2019 IBM Corp. */ + +#ifndef __DEBUG_DESCRIPTOR_H +#define __DEBUG_DESCRIPTOR_H + +#define OPAL_BOOT_COMPLETE 0x1 +/* Debug descriptor. This structure is pointed to by the word at offset + * 0x80 in the sapphire binary + */ +struct debug_descriptor { + u8 eye_catcher[8]; /* "OPALdbug" */ +#define DEBUG_DESC_VERSION 1 + __be32 version; + u8 console_log_levels; /* high 4 bits in memory, + * low 4 bits driver (e.g. uart). */ + u8 state_flags; /* various state flags - OPAL_BOOT_COMPLETE etc */ + __be16 reserved2; + __be32 reserved[2]; + + /* Memory console */ + __be64 memcons_phys; + __be32 memcons_tce; + __be32 memcons_obuf_tce; + __be32 memcons_ibuf_tce; + + /* Traces */ + __be64 trace_mask; + __be32 num_traces; +#define DEBUG_DESC_MAX_TRACES 256 + __be64 trace_phys[DEBUG_DESC_MAX_TRACES]; + __be32 trace_size[DEBUG_DESC_MAX_TRACES]; + __be32 trace_tce[DEBUG_DESC_MAX_TRACES]; + __be16 trace_pir[DEBUG_DESC_MAX_TRACES]; +}; +extern struct debug_descriptor debug_descriptor; + +static inline bool opal_booting(void) +{ + return !(debug_descriptor.state_flags & OPAL_BOOT_COMPLETE); +} + +#endif |