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/*
* HND Run Time Environment debug info area
*
* Copyright (C) 2020, Broadcom.
*
* Unless you and Broadcom execute a separate written software license
* agreement governing use of this software, this software is licensed to you
* under the terms of the GNU General Public License version 2 (the "GPL"),
* available at http://www.broadcom.com/licenses/GPLv2.php, with the
* following added to such license:
*
* As a special exception, the copyright holders of this software give you
* permission to link this software with independent modules, and to copy and
* distribute the resulting executable under terms of your choice, provided that
* you also meet, for each linked independent module, the terms and conditions of
* the license of that module. An independent module is a module which is not
* derived from this software. The special exception does not apply to any
* modifications of the software.
*
*
* <<Broadcom-WL-IPTag/Dual:>>
*/
#ifndef _HND_DEBUG_H
#define _HND_DEBUG_H
/* Magic number at a magic location to find HND_DEBUG pointers */
#define HND_DEBUG_PTR_PTR_MAGIC 0x50504244u /* DBPP */
#ifndef _LANGUAGE_ASSEMBLY
#include <typedefs.h>
/* Includes only when building dongle code */
#ifdef _RTE_
#include <event_log.h>
#include <hnd_trap.h>
#include <hnd_cons.h>
#endif
/* We use explicit sizes here since this gets included from different
* systems. The sizes must be the size of the creating system
* (currently 32 bit ARM) since this is gleaned from dump.
*/
#ifdef FWID
extern uint32 gFWID;
#endif
enum hnd_debug_reloc_entry_type {
HND_DEBUG_RELOC_ENTRY_TYPE_ROM = 0u,
HND_DEBUG_RELOC_ENTRY_TYPE_RAM = 1u,
HND_DEBUG_RELOC_ENTRY_TYPE_MTH_STACK = 2u, /* main thread stack */
};
typedef uint32 hnd_debug_reloc_entry_type_t;
typedef struct hnd_debug_reloc_entry {
/* Identifies the type(hnd_debug_reloc_entry_type) of the data */
hnd_debug_reloc_entry_type_t type;
uint32 phys_addr; /* Physical address */
uint32 virt_addr; /* Virtual address */
uint32 size; /* Specifies the size of the segment */
} hnd_debug_reloc_entry_t;
#ifdef _RTE_
/* Define pointers for normal ARM use */
#define _HD_EVLOG_P event_log_top_t *
#define _HD_CONS_P hnd_cons_t *
#define _HD_TRAP_P trap_t *
#define _HD_DEBUG_RELOC_ENTRY_P hnd_debug_reloc_entry_t *
#define _HD_DEBUG_RELOC_P hnd_debug_reloc_t *
#else
/* Define pointers for use on other systems */
#define _HD_EVLOG_P uint32
#define _HD_CONS_P uint32
#define _HD_TRAP_P uint32
#define _HD_DEBUG_RELOC_ENTRY_P uint32
#define _HD_DEBUG_RELOC_P uint32
#endif /* _RTE_ */
/* MMU relocation info in the debug area */
typedef struct hnd_debug_reloc {
_HD_DEBUG_RELOC_ENTRY_P hnd_reloc_ptr; /* contains the pointer to the MMU reloc table */
uint32 hnd_reloc_ptr_size; /* Specifies the size of the MMU reloc table */
} hnd_debug_reloc_t;
/* Number of MMU relocation entries supported in v2 */
#define RELOC_NUM_ENTRIES 4u
/* Total MMU relocation table size for v2 */
#define HND_DEBUG_RELOC_PTR_SIZE (RELOC_NUM_ENTRIES * sizeof(hnd_debug_reloc_entry_t))
#define HND_DEBUG_VERSION_1 1u /* Legacy, version 1 */
#define HND_DEBUG_VERSION_2 2u /* Version 2 contains the MMU information
* used for stack virtualization, etc.
*/
/* Legacy debug version for older branches. */
#define HND_DEBUG_VERSION HND_DEBUG_VERSION_1
/* This struct is placed at a well-defined location, and contains a pointer to hnd_debug. */
typedef struct hnd_debug_ptr {
uint32 magic;
/* RAM address of 'hnd_debug'. For legacy versions of this struct, it is a 0-indexed
* offset instead.
*/
uint32 hnd_debug_addr;
/* Base address of RAM. This field does not exist for legacy versions of this struct. */
uint32 ram_base_addr;
} hnd_debug_ptr_t;
extern hnd_debug_ptr_t debug_info_ptr;
#define HND_DEBUG_EPIVERS_MAX_STR_LEN 32u
/* chip id string is 8 bytes long with null terminator. Example 43452a3 */
#define HND_DEBUG_BUILD_SIGNATURE_CHIPID_LEN 13u
#define HND_DEBUG_BUILD_SIGNATURE_FWID_LEN 17u
/* ver=abc.abc.abc.abcdefgh size = 24bytes. 6 bytes extra for expansion */
#define HND_DEBUG_BUILD_SIGNATURE_VER_LEN 30u
typedef struct hnd_debug {
uint32 magic;
#define HND_DEBUG_MAGIC 0x47424544u /* 'DEBG' */
#ifndef HND_DEBUG_USE_V2
uint32 version; /* Legacy, debug struct version */
#else
/* Note: The original uint32 version is split into two fields:
* uint16 version and uint16 length to accomidate future expansion
* of the strucutre.
*
* The length field is not populated for the version 1 of the structure.
*/
uint16 version; /* Debug struct version */
uint16 length; /* Size of the whole structure in bytes */
#endif /* HND_DEBUG_USE_V2 */
uint32 fwid; /* 4 bytes of fw info */
char epivers[HND_DEBUG_EPIVERS_MAX_STR_LEN];
_HD_TRAP_P PHYS_ADDR_N(trap_ptr); /* trap_t data struct physical address. */
_HD_CONS_P PHYS_ADDR_N(console); /* Console physical address. */
uint32 ram_base;
uint32 ram_size;
uint32 rom_base;
uint32 rom_size;
_HD_EVLOG_P event_log_top; /* EVENT_LOG address. */
/* To populated fields below,
* INCLUDE_BUILD_SIGNATURE_IN_SOCRAM needs to be enabled
*/
char fwid_signature[HND_DEBUG_BUILD_SIGNATURE_FWID_LEN]; /* fwid=<FWID> */
/* ver=abc.abc.abc.abcdefgh size = 24bytes. 6 bytes extra for expansion */
char ver_signature[HND_DEBUG_BUILD_SIGNATURE_VER_LEN];
char chipid_signature[HND_DEBUG_BUILD_SIGNATURE_CHIPID_LEN]; /* chip=12345a3 */
#ifdef HND_DEBUG_USE_V2
/* Version 2 fields */
/* Specifies the hnd debug MMU info */
_HD_DEBUG_RELOC_P hnd_debug_reloc_ptr;
#endif /* HND_DEBUG_USE_V2 */
} hnd_debug_t;
#ifdef HND_DEBUG_USE_V2
#define HND_DEBUG_V1_SIZE (OFFSETOF(hnd_debug_t, chipid_signature) + \
sizeof(((hnd_debug_t *)0)->chipid_signature))
#define HND_DEBUG_V2_BASE_SIZE (OFFSETOF(hnd_debug_t, hnd_debug_reloc_ptr) + \
sizeof(((hnd_debug_t *)0)->hnd_debug_reloc_ptr))
#endif /* HND_DEBUG_USE_V2 */
/* The following structure is used in populating build information */
typedef struct hnd_build_info {
uint8 version; /* Same as HND_DEBUG_VERSION */
uint8 rsvd[3]; /* Reserved fields for padding purposes */
/* To populated fields below,
* INCLUDE_BUILD_SIGNATURE_IN_SOCRAM needs to be enabled
*/
uint32 fwid;
uint32 ver[4];
char chipid_signature[HND_DEBUG_BUILD_SIGNATURE_CHIPID_LEN]; /* chip=12345a3 */
} hnd_build_info_t;
/*
* timeval_t and prstatus_t are copies of the Linux structures.
* Included here because we need the definitions for the target processor
* (32 bits) and not the definition on the host this is running on
* (which could be 64 bits).
*/
typedef struct { /* Time value with microsecond resolution */
uint32 tv_sec; /* Seconds */
uint32 tv_usec; /* Microseconds */
} timeval_t;
/* Linux/ARM 32 prstatus for notes section */
typedef struct prstatus {
int32 si_signo; /* Signal number */
int32 si_code; /* Extra code */
int32 si_errno; /* Errno */
uint16 pr_cursig; /* Current signal. */
uint16 unused;
uint32 pr_sigpend; /* Set of pending signals. */
uint32 pr_sighold; /* Set of held signals. */
uint32 pr_pid;
uint32 pr_ppid;
uint32 pr_pgrp;
uint32 pr_sid;
timeval_t pr_utime; /* User time. */
timeval_t pr_stime; /* System time. */
timeval_t pr_cutime; /* Cumulative user time. */
timeval_t pr_cstime; /* Cumulative system time. */
uint32 uregs[18];
int32 pr_fpvalid; /* True if math copro being used. */
} prstatus_t;
/* for mkcore and other utilities use */
#define DUMP_INFO_PTR_PTR_0 0x74
#define DUMP_INFO_PTR_PTR_1 0x78
#define DUMP_INFO_PTR_PTR_2 0xf0
#define DUMP_INFO_PTR_PTR_3 0xf8
#define DUMP_INFO_PTR_PTR_4 0x874
#define DUMP_INFO_PTR_PTR_5 0x878
#define DUMP_INFO_PTR_PTR_END 0xffffffff
#define DUMP_INFO_PTR_PTR_LIST DUMP_INFO_PTR_PTR_0, \
DUMP_INFO_PTR_PTR_1, \
DUMP_INFO_PTR_PTR_2, \
DUMP_INFO_PTR_PTR_3, \
DUMP_INFO_PTR_PTR_4, \
DUMP_INFO_PTR_PTR_5, \
DUMP_INFO_PTR_PTR_END
extern bool hnd_debug_info_in_trap_context(void);
/* Get build information. */
extern int hnd_build_info_get(void *ctx, void *arg2, uint32 *buf, uint16 *len);
#endif /* !LANGUAGE_ASSEMBLY */
#endif /* _HND_DEBUG_H */