mirror of
https://github.com/a52xq-dev/kernel.git
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itsaschoolbus
34794f4cb2
* this imports the latest version of SM-A526B kernel from https://opensource.samsung.com/uploadSearch?searchValue=SM-A526B
171 lines
5.5 KiB
C
171 lines
5.5 KiB
C
#ifndef __SEC_DEBUG_USER_RESET_INDIRECT
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#warning "samsung/debug/sec_debug_user_reset.h is included directly."
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#error "please include sec_debug.h instead of this file"
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#endif
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#ifndef __INDIRECT__SEC_DEBUG_USER_RESET_H__
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#define __INDIRECT__SEC_DEBUG_USER_RESET_H__
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#include "sec_debug_user_reset_type.h"
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#if IS_ENABLED(CONFIG_SEC_USER_RESET_DEBUG)
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extern void sec_debug_store_additional_dbg(enum extra_info_dbg_type type, unsigned int value, const char *fmt, ...);
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/* called @ kernel/panic.c */
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/* called @ arch/arm64/mm/fault.c */
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extern void sec_debug_store_extc_idx(bool prefix);
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/* called @ lib/bug.c */
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extern void sec_debug_store_bug_string(const char *file, unsigned bug_line);
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/* called @ drivers/misc/samsung/sec_hw_param.c */
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extern unsigned int sec_debug_get_reset_reason(void);
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/* called @ drivers/misc/samsung/sec_hw_param.c */
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extern int sec_debug_get_reset_write_cnt(void);
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/* called @ drivers/misc/samsung/sec_hw_param.c */
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extern char *sec_debug_get_reset_reason_str(unsigned int reason);
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/* called @ drivers/misc/samsung/sec_hw_param.c */
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extern struct debug_reset_header *get_debug_reset_header(void);
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/* FIXME: this function is not referenced anywhere */
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extern void __deprecated sec_debug_summary_modem_print(void);
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extern rst_exinfo_t *sec_debug_reset_ex_info;
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/* called @ arch/arm64/mm/fault.c */
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static inline void sec_debug_store_pte(unsigned long addr, int idx)
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{
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int cpu;
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_kern_ex_info_t *p_ex_info;
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if (!sec_debug_reset_ex_info)
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return;
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p_ex_info = &sec_debug_reset_ex_info->kern_ex_info.info;
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if (p_ex_info->cpu != -1)
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return;
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cpu = get_cpu();
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if(idx == 0)
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memset(&p_ex_info->fault[cpu].pte, 0,
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sizeof(p_ex_info->fault[cpu].pte));
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p_ex_info->fault[cpu].pte[idx] = addr;
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put_cpu();
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}
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/* called @ arch/arm64/mm/fault.c */
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static inline void sec_debug_save_fault_info(unsigned int esr, const char *str,
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unsigned long var1, unsigned long var2)
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{
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int cpu;
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_kern_ex_info_t *p_ex_info;
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if (!sec_debug_reset_ex_info)
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return;
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p_ex_info = &sec_debug_reset_ex_info->kern_ex_info.info;
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if (p_ex_info->cpu != -1)
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return;
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cpu = get_cpu();
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p_ex_info->fault[cpu].esr = esr;
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snprintf(p_ex_info->fault[cpu].str,
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sizeof(p_ex_info->fault[cpu].str),
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"%s", str);
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p_ex_info->fault[cpu].var1 = var1;
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p_ex_info->fault[cpu].var2 = var2;
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put_cpu();
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}
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/* called @ arch/arm64/kernel/traps.c */
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static inline void sec_debug_save_badmode_info(int reason,
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const char *handler_str,
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unsigned int esr, const char *esr_str)
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{
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_kern_ex_info_t *p_ex_info;
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if (!sec_debug_reset_ex_info)
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return;
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p_ex_info = &sec_debug_reset_ex_info->kern_ex_info.info;
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if (p_ex_info->cpu != -1)
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return;
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p_ex_info->badmode.reason = reason;
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snprintf(p_ex_info->badmode.handler_str,
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sizeof(p_ex_info->badmode.handler_str),
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"%s", handler_str);
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p_ex_info->badmode.esr = esr;
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snprintf(p_ex_info->badmode.esr_str,
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sizeof(p_ex_info->badmode.esr_str),
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"%s", esr_str);
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}
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/* called @ drivers/iommu/arm-smmu.c */
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static inline void ___sec_debug_save_smmu_info(ex_info_smmu_t *smmu_info)
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{
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_kern_ex_info_t *p_ex_info;
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if (!sec_debug_reset_ex_info)
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return;
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p_ex_info = &sec_debug_reset_ex_info->kern_ex_info.info;
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if (p_ex_info->cpu != -1)
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return;
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memcpy(&(p_ex_info->smmu), smmu_info, sizeof(ex_info_smmu_t));
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}
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/* called @ drivers/iommu/arm-smmu.c */
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#define sec_debug_save_smmu_info_asf_fatal() \
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do { \
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ex_info_smmu_t sec_dbg_smmu; \
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memset(&sec_dbg_smmu, 0x0, sizeof(ex_info_smmu_t)); \
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snprintf(sec_dbg_smmu.dev_name, sizeof(sec_dbg_smmu.dev_name), \
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"%s", dev_name(smmu->dev)); \
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sec_dbg_smmu.fsr = fsr; \
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___sec_debug_save_smmu_info(&sec_dbg_smmu); \
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} while (0)
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/* called @ drivers/iommu/arm-smmu.c */
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#define sec_debug_save_smmu_info_fatal() \
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do { \
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ex_info_smmu_t sec_dbg_smmu; \
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memset(&sec_dbg_smmu, 0x0, sizeof(ex_info_smmu_t)); \
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snprintf(sec_dbg_smmu.dev_name, sizeof(sec_dbg_smmu.dev_name), \
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"%s", dev_name(smmu->dev)); \
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sec_dbg_smmu.fsr = fsr; \
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sec_dbg_smmu.fsynr0 = fsynr0; \
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sec_dbg_smmu.fsynr1 = fsynr1; \
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sec_dbg_smmu.iova = iova; \
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sec_dbg_smmu.far = (unsigned long)iova; \
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sec_dbg_smmu.cbndx = cfg->cbndx; \
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sec_dbg_smmu.phys_soft = phys_soft; \
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sec_dbg_smmu.sid = frsynra; \
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___sec_debug_save_smmu_info(&sec_dbg_smmu); \
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} while (0)
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#else /* CONFIG_SEC_USER_RESET_DEBUG */
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static inline void sec_debug_store_extc_idx(bool prefix) {}
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static inline void sec_debug_store_bug_string(const char *file, unsigned bug_line) {}
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static inline void sec_debug_store_pte(unsigned long addr, int idx) {}
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static inline void sec_dbg_save_fault_info(unsigned int esr, const char *str, unsigned long var1, unsigned long var2) {}
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static inline void sec_debug_save_badmode_info(int reason, const char *handler_str,unsigned int esr, const char *esr_str) {}
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static inline void sec_debug_save_smmu_info(ex_info_smmu_t *smmu_info) {}
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static inline char *sec_debug_get_reset_reason_str(unsigned int reason) { return NULL; }
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static inline unsigned int sec_debug_get_reset_reason(void) { return 0; }
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static inline void sec_debug_save_fault_info(unsigned int esr, const char *str, unsigned long var1, unsigned long var2) {}
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static inline struct debug_reset_header *get_debug_reset_header(void) { return NULL; }
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static inline int sec_debug_get_reset_write_cnt(void) { return 0; }
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#define sec_debug_save_smmu_info_fatal()
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#define sec_debug_save_smmu_info_asf_fatal()
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static inline void sec_debug_summary_modem_print(void) {}
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#endif /* CONFIG_SEC_USER_RESET_DEBUG */
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#endif /* __INDIRECT__SEC_DEBUG_USER_RESET_H__ */
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