^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #ifndef _ASM_ARC_UNWIND_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #define _ASM_ARC_UNWIND_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #ifdef CONFIG_ARC_DW2_UNWIND
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/sched.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) struct arc700_regs {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) unsigned long r0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) unsigned long r1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) unsigned long r2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) unsigned long r3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) unsigned long r4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) unsigned long r5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) unsigned long r6;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) unsigned long r7;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) unsigned long r8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) unsigned long r9;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) unsigned long r10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) unsigned long r11;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) unsigned long r12;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) unsigned long r13;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) unsigned long r14;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) unsigned long r15;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) unsigned long r16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) unsigned long r17;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) unsigned long r18;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) unsigned long r19;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) unsigned long r20;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) unsigned long r21;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) unsigned long r22;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) unsigned long r23;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) unsigned long r24;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) unsigned long r25;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) unsigned long r26;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) unsigned long r27; /* fp */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) unsigned long r28; /* sp */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) unsigned long r29;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) unsigned long r30;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) unsigned long r31; /* blink */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) unsigned long r63; /* pc */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) struct unwind_frame_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) struct arc700_regs regs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) struct task_struct *task;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) unsigned call_frame:1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #define UNW_PC(frame) ((frame)->regs.r63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #define UNW_SP(frame) ((frame)->regs.r28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #define UNW_BLINK(frame) ((frame)->regs.r31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) /* Rajesh FIXME */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #ifdef CONFIG_FRAME_POINTER
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) #define UNW_FP(frame) ((frame)->regs.r27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) #define FRAME_RETADDR_OFFSET 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) #define FRAME_LINK_OFFSET 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #define STACK_BOTTOM_UNW(tsk) STACK_LIMIT((tsk)->thread.ksp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) #define STACK_TOP_UNW(tsk) ((tsk)->thread.ksp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #define UNW_FP(frame) ((void)(frame), 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) #define STACK_LIMIT(ptr) (((ptr) - 1) & ~(THREAD_SIZE - 1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) #define UNW_REGISTER_INFO \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) PTREGS_INFO(r0), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) PTREGS_INFO(r1), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) PTREGS_INFO(r2), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) PTREGS_INFO(r3), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) PTREGS_INFO(r4), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) PTREGS_INFO(r5), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) PTREGS_INFO(r6), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) PTREGS_INFO(r7), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) PTREGS_INFO(r8), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) PTREGS_INFO(r9), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) PTREGS_INFO(r10), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) PTREGS_INFO(r11), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) PTREGS_INFO(r12), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) PTREGS_INFO(r13), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) PTREGS_INFO(r14), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) PTREGS_INFO(r15), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) PTREGS_INFO(r16), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) PTREGS_INFO(r17), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) PTREGS_INFO(r18), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) PTREGS_INFO(r19), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) PTREGS_INFO(r20), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) PTREGS_INFO(r21), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) PTREGS_INFO(r22), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) PTREGS_INFO(r23), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) PTREGS_INFO(r24), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) PTREGS_INFO(r25), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) PTREGS_INFO(r26), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) PTREGS_INFO(r27), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) PTREGS_INFO(r28), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) PTREGS_INFO(r29), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) PTREGS_INFO(r30), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) PTREGS_INFO(r31), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) PTREGS_INFO(r63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) #define UNW_DEFAULT_RA(raItem, dataAlign) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) ((raItem).where == Memory && !((raItem).value * (dataAlign) + 4))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) extern int arc_unwind(struct unwind_frame_info *frame);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) extern void arc_unwind_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) extern void *unwind_add_table(struct module *module, const void *table_start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) unsigned long table_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) extern void unwind_remove_table(void *handle, int init_only);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) static inline int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) arch_unwind_init_running(struct unwind_frame_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) int (*callback) (struct unwind_frame_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) void *arg),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) void *arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) static inline int arch_unw_user_mode(const struct unwind_frame_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) static inline void arch_unw_init_blocked(struct unwind_frame_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) static inline void arch_unw_init_frame_info(struct unwind_frame_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) struct pt_regs *regs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) #define UNW_PC(frame) ((void)(frame), 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) #define UNW_SP(frame) ((void)(frame), 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) #define UNW_FP(frame) ((void)(frame), 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) static inline void arc_unwind_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) #define unwind_add_table(a, b, c)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) #define unwind_remove_table(a, b)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) #endif /* CONFIG_ARC_DW2_UNWIND */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) #endif /* _ASM_ARC_UNWIND_H */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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