Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /* Copyright (C) 2017 Andes Technology Corporation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) #include <linux/linkage.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) #include <asm/asm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) #include <asm/csr.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) #include <asm/unistd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include <asm/thread_info.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <asm/asm-offsets.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include <asm-generic/export.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <asm/ftrace.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) 	.text
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) 	.macro SAVE_ABI_STATE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #ifdef CONFIG_FUNCTION_GRAPH_TRACER
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) 	addi    sp, sp, -48
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) 	sd      s0, 32(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 	sd      ra, 40(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 	addi    s0, sp, 48
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 	sd      t0, 24(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 	sd      t1, 16(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) #ifdef HAVE_FUNCTION_GRAPH_FP_TEST
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 	sd      t2, 8(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 	addi	sp, sp, -16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 	sd	s0, 0(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 	sd	ra, 8(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 	addi	s0, sp, 16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 	.endm
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	.macro RESTORE_ABI_STATE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) #ifdef CONFIG_FUNCTION_GRAPH_TRACER
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 	ld	s0, 32(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	ld	ra, 40(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	addi	sp, sp, 48
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	ld	ra, 8(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	ld	s0, 0(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	addi	sp, sp, 16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	.endm
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	.macro RESTORE_GRAPH_ARGS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	ld	a0, 24(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	ld	a1, 16(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) #ifdef HAVE_FUNCTION_GRAPH_FP_TEST
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	ld	a2, 8(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	.endm
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) ENTRY(ftrace_graph_caller)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	addi	sp, sp, -16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	sd	s0, 0(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	sd	ra, 8(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	addi	s0, sp, 16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) ftrace_graph_call:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	.global ftrace_graph_call
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	 * Calling ftrace_enable/disable_ftrace_graph_caller would overwrite the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	 * call below.  Check ftrace_modify_all_code for details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	call	ftrace_stub
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	ld	ra, 8(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	ld	s0, 0(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	addi	sp, sp, 16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	ret
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) ENDPROC(ftrace_graph_caller)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) ENTRY(ftrace_caller)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	 * a0: the address in the caller when calling ftrace_caller
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	 * a1: the caller's return address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	 * a2: the address of global variable function_trace_op
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	ld	a1, -8(s0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	addi	a0, ra, -MCOUNT_INSN_SIZE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	la	t5, function_trace_op
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	ld	a2, 0(t5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) #ifdef CONFIG_FUNCTION_GRAPH_TRACER
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	 * the graph tracer (specifically, prepare_ftrace_return) needs these
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	 * arguments but for now the function tracer occupies the regs, so we
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	 * save them in temporary regs to recover later.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	addi	t0, s0, -8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	mv	t1, a0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) #ifdef HAVE_FUNCTION_GRAPH_FP_TEST
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	ld	t2, -16(s0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	SAVE_ABI_STATE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) ftrace_call:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	.global ftrace_call
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	 * For the dynamic ftrace to work, here we should reserve at least
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	 * 8 bytes for a functional auipc-jalr pair.  The following call
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	 * serves this purpose.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	 * Calling ftrace_update_ftrace_func would overwrite the nops below.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	 * Check ftrace_modify_all_code for details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	call	ftrace_stub
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) #ifdef CONFIG_FUNCTION_GRAPH_TRACER
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	RESTORE_GRAPH_ARGS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	call	ftrace_graph_caller
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	RESTORE_ABI_STATE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	ret
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) ENDPROC(ftrace_caller)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) #ifdef CONFIG_DYNAMIC_FTRACE_WITH_REGS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	.macro SAVE_ALL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	addi	sp, sp, -(PT_SIZE_ON_STACK+16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	sd	s0, (PT_SIZE_ON_STACK)(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	sd	ra, (PT_SIZE_ON_STACK+8)(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	addi	s0, sp, (PT_SIZE_ON_STACK+16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	sd x1,  PT_RA(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	sd x2,  PT_SP(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	sd x3,  PT_GP(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	sd x4,  PT_TP(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	sd x5,  PT_T0(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	sd x6,  PT_T1(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	sd x7,  PT_T2(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	sd x8,  PT_S0(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	sd x9,  PT_S1(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	sd x10, PT_A0(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	sd x11, PT_A1(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	sd x12, PT_A2(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	sd x13, PT_A3(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	sd x14, PT_A4(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	sd x15, PT_A5(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	sd x16, PT_A6(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	sd x17, PT_A7(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	sd x18, PT_S2(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	sd x19, PT_S3(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	sd x20, PT_S4(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	sd x21, PT_S5(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	sd x22, PT_S6(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	sd x23, PT_S7(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	sd x24, PT_S8(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	sd x25, PT_S9(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	sd x26, PT_S10(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	sd x27, PT_S11(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	sd x28, PT_T3(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 	sd x29, PT_T4(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	sd x30, PT_T5(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	sd x31, PT_T6(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	.endm
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	.macro RESTORE_ALL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	ld x1,  PT_RA(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	ld x2,  PT_SP(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	ld x3,  PT_GP(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	ld x4,  PT_TP(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	ld x5,  PT_T0(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	ld x6,  PT_T1(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	ld x7,  PT_T2(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	ld x8,  PT_S0(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	ld x9,  PT_S1(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	ld x10, PT_A0(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	ld x11, PT_A1(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	ld x12, PT_A2(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	ld x13, PT_A3(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	ld x14, PT_A4(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	ld x15, PT_A5(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	ld x16, PT_A6(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	ld x17, PT_A7(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	ld x18, PT_S2(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	ld x19, PT_S3(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	ld x20, PT_S4(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	ld x21, PT_S5(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	ld x22, PT_S6(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	ld x23, PT_S7(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	ld x24, PT_S8(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	ld x25, PT_S9(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	ld x26, PT_S10(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 	ld x27, PT_S11(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	ld x28, PT_T3(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	ld x29, PT_T4(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	ld x30, PT_T5(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	ld x31, PT_T6(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	ld	s0, (PT_SIZE_ON_STACK)(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	ld	ra, (PT_SIZE_ON_STACK+8)(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	addi	sp, sp, (PT_SIZE_ON_STACK+16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	.endm
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	.macro RESTORE_GRAPH_REG_ARGS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 	ld	a0, PT_T0(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 	ld	a1, PT_T1(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) #ifdef HAVE_FUNCTION_GRAPH_FP_TEST
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	ld	a2, PT_T2(sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	.endm
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206)  * Most of the contents are the same as ftrace_caller.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) ENTRY(ftrace_regs_caller)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	 * a3: the address of all registers in the stack
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	ld	a1, -8(s0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	addi	a0, ra, -MCOUNT_INSN_SIZE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	la	t5, function_trace_op
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	ld	a2, 0(t5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	addi	a3, sp, -(PT_SIZE_ON_STACK+16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) #ifdef CONFIG_FUNCTION_GRAPH_TRACER
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 	addi	t0, s0, -8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 	mv	t1, a0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) #ifdef HAVE_FUNCTION_GRAPH_FP_TEST
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	ld	t2, -16(s0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	SAVE_ALL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) ftrace_regs_call:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 	.global ftrace_regs_call
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	call	ftrace_stub
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) #ifdef CONFIG_FUNCTION_GRAPH_TRACER
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 	RESTORE_GRAPH_REG_ARGS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	call	ftrace_graph_caller
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 	RESTORE_ALL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 	ret
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) ENDPROC(ftrace_regs_caller)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) #endif /* CONFIG_DYNAMIC_FTRACE_WITH_REGS */