198 lines
4.6 KiB
C
198 lines
4.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2019 MediaTek Inc.
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*/
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#ifndef __SCP_EXCEP_H__
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#define __SCP_EXCEP_H__
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#include <linux/sizes.h>
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#define AED_LOG_PRINT_SIZE SZ_16K
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#define SCP_LOCK_OFS 0xE0
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#define SCP_TCM_LOCK_BIT (1 << 20)
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enum scp_excep_id {
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EXCEP_LOAD_FIRMWARE = 0,
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EXCEP_RESET,
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EXCEP_BOOTUP,
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EXCEP_RUNTIME,
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SCP_NR_EXCEP,
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};
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extern void scp_aed(enum scp_excep_id type, enum scp_core_id id);
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extern void scp_aed_reset(enum scp_excep_id type, enum scp_core_id id);
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extern void scp_aed_reset_inplace(enum scp_excep_id type,
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enum scp_core_id id);
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extern void scp_get_log(enum scp_core_id id);
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extern char *scp_get_last_log(enum scp_core_id id);
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extern void scp_A_dump_regs(void);
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extern uint32_t scp_dump_pc(void);
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extern uint32_t scp_dump_lr(void);
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extern void aed_scp_exception_api(const int *log, int log_size,
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const int *phy, int phy_size, const char *detail,
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const int db_opt);
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extern void scp_excep_cleanup(void);
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enum { r0, r1, r2, r3, r12, lr, pc, psr};
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extern int scp_ee_enable;
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struct TaskContextType {
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unsigned int r0;
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unsigned int r1;
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unsigned int r2;
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unsigned int r3;
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unsigned int r4;
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unsigned int r5;
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unsigned int r6;
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unsigned int r7;
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unsigned int r8;
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unsigned int r9;
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unsigned int r10;
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unsigned int r11;
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unsigned int r12;
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unsigned int sp; /* after pop r0-r3, lr, pc, xpsr */
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unsigned int lr; /* lr before exception */
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unsigned int pc; /* pc before exception */
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unsigned int psr; /* xpsr before exeption */
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unsigned int control;/*nPRIV bit & FPCA bit, SPSEL bit = 0*/
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unsigned int exc_return; /* current lr */
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unsigned int msp; /* msp */
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};
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#define CRASH_SUMMARY_LENGTH 12
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#define CRASH_MEMORY_HEADER_SIZE (8 * 1024)
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#define CRASH_MEMORY_OFFSET (0x800)
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#define CRASH_MEMORY_LENGTH (SCP_A_TCM_SIZE - CRASH_MEMORY_OFFSET)
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#define CRASH_REG_SIZE (9 * 32)
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#include <linux/elf.h>
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#define ELF_NGREGS 18
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#define CORE_STR "CORE"
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#define ELF_PRARGSZ 80
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#define ELF_CORE_EFLAGS 0
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#define EM_ARM 40
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static inline void elf_setup_eident(unsigned char e_ident[EI_NIDENT],
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unsigned char elfclasz)
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{
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memcpy(e_ident, ELFMAG, SELFMAG);
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e_ident[EI_CLASS] = elfclasz;
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e_ident[EI_DATA] = ELFDATA2LSB;
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e_ident[EI_VERSION] = EV_CURRENT;
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e_ident[EI_OSABI] = ELFOSABI_NONE;
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memset(e_ident+EI_PAD, 0, EI_NIDENT-EI_PAD);
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}
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struct elf_siginfo {
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int si_signo;
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int si_code;
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int si_errno;
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};
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struct elf32_note_t {
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Elf32_Word n_namesz; /* Name size */
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Elf32_Word n_descsz; /* Content size */
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Elf32_Word n_type; /* Content type */
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};
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struct elf32_timeval {
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int32_t tv_sec;
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int32_t tv_usec;
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};
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struct elf32_prstatus {
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struct elf_siginfo pr_info;
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short pr_cursig;
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uint32_t pr_sigpend;
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uint32_t pr_sighold;
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int32_t pr_pid;
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int32_t pr_ppid;
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int32_t pr_pgrp;
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int32_t pr_sid;
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struct elf32_timeval pr_utime;
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struct elf32_timeval pr_stime;
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struct elf32_timeval pr_cutime;
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struct elf32_timeval pr_cstime;
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uint32_t pr_reg[ELF_NGREGS];
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int32_t pr_fpvalid;
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};
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struct elf32_prpsinfo {
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char pr_state;
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char pr_sname;
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char pr_zomb;
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char pr_nice;
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uint32_t pr_flag;
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uint16_t pr_uid;
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uint16_t pr_gid;
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int32_t pr_pid;
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int32_t pr_ppid;
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int32_t pr_pgrp;
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int32_t pr_sid;
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char pr_fname[16];
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char pr_psargs[ELF_PRARGSZ];
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};
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/* scp reg dump*/
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struct scp_reg_dump_list {
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uint32_t scp_reg_magic;
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uint32_t ap_resource;
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uint32_t bus_resource;
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uint32_t slp_protect;
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uint32_t cpu_sleep_status;
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uint32_t clk_sw_sel;
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uint32_t clk_enable;
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uint32_t clk_high_core;
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uint32_t debug_wdt_sp;
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uint32_t debug_wdt_lr;
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uint32_t debug_wdt_psp;
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uint32_t debug_wdt_pc;
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uint32_t debug_addr_s2r;
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uint32_t debug_addr_dma;
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uint32_t debug_addr_spi0;
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uint32_t debug_addr_spi1;
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uint32_t debug_addr_spi2;
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uint32_t debug_bus_status;
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uint32_t debug_infra_mon;
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uint32_t infra_addr_latch;
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uint32_t ddebug_latch;
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uint32_t pdebug_latch;
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uint32_t pc_value;
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uint32_t scp_reg_magic_end;
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};
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struct scp_dump_header_list {
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uint32_t scp_head_magic;
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struct scp_region_info_st scp_region_info;
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uint32_t scp_head_magic_end;
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};
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struct MemoryDump {
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struct elf32_hdr elf;
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struct elf32_phdr nhdr;
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struct elf32_phdr phdr;
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char notes[CRASH_MEMORY_HEADER_SIZE-sizeof(struct elf32_hdr)
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-sizeof(struct elf32_phdr)-sizeof(struct elf32_phdr)
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-sizeof(struct scp_dump_header_list)];
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/* ram dump total header size(elf+nhdr+phdr+header)
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* must be fixed at CRASH_MEMORY_HEADER_SIZE
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*/
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struct scp_dump_header_list scp_dump_header;
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/*scp reg*/
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struct scp_reg_dump_list scp_reg_dump;
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/* scp sram, don't move it, variable array,
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* size is CRASH_MEMORY_LENGTH.
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*/
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char memory[0];
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};
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#endif
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