233 	int stack_adjust = ctx->stack_size, store_offset = stack_adjust - 8;  in __build_epilogue()
810 	int stack_size = 0, nr_arg_slots = 0;  in __arch_prepare_bpf_trampoline()  local
873 	stack_size += 16;  in __arch_prepare_bpf_trampoline()
877 		stack_size += 16; /* Save both A5 (BPF R0) and A0 */  in __arch_prepare_bpf_trampoline()
878 		retval_off = stack_size;  in __arch_prepare_bpf_trampoline()
881 	stack_size += nr_arg_slots * 8;  in __arch_prepare_bpf_trampoline()
882 	args_off = stack_size;  in __arch_prepare_bpf_trampoline()
884 	stack_size += 8;  in __arch_prepare_bpf_trampoline()
885 	nregs_off = stack_size;  in __arch_prepare_bpf_trampoline()
888 		stack_size += 8;  in __arch_prepare_bpf_trampoline()
889 		ip_off = stack_size;  in __arch_prepare_bpf_trampoline()
892 	stack_size += round_up(sizeof(struct bpf_tramp_run_ctx), 8);  in __arch_prepare_bpf_trampoline()
893 	run_ctx_off = stack_size;  in __arch_prepare_bpf_trampoline()
895 	stack_size += 8;  in __arch_prepare_bpf_trampoline()
896 	sreg_off = stack_size;  in __arch_prepare_bpf_trampoline()
899 		stack_size += (nr_arg_slots - RV_MAX_REG_ARGS) * 8;  in __arch_prepare_bpf_trampoline()
901 	stack_size = round_up(stack_size, STACK_ALIGN);  in __arch_prepare_bpf_trampoline()
904 	stk_arg_off = stack_size;  in __arch_prepare_bpf_trampoline()
916 		emit_addi(RV_REG_SP, RV_REG_SP, -stack_size, ctx);  in __arch_prepare_bpf_trampoline()
917 		emit_sd(RV_REG_SP, stack_size - 8, RV_REG_T0, ctx);  in __arch_prepare_bpf_trampoline()
918 		emit_sd(RV_REG_SP, stack_size - 16, RV_REG_FP, ctx);  in __arch_prepare_bpf_trampoline()
919 		emit_addi(RV_REG_FP, RV_REG_SP, stack_size, ctx);  in __arch_prepare_bpf_trampoline()
926 		emit_addi(RV_REG_SP, RV_REG_SP, -stack_size, ctx);  in __arch_prepare_bpf_trampoline()
927 		emit_sd(RV_REG_SP, stack_size - 8, RV_REG_RA, ctx);  in __arch_prepare_bpf_trampoline()
928 		emit_sd(RV_REG_SP, stack_size - 16, RV_REG_FP, ctx);  in __arch_prepare_bpf_trampoline()
929 		emit_addi(RV_REG_FP, RV_REG_SP, stack_size, ctx);  in __arch_prepare_bpf_trampoline()
1031 		emit_ld(RV_REG_T0, stack_size - 8, RV_REG_SP, ctx);  in __arch_prepare_bpf_trampoline()
1032 		emit_ld(RV_REG_FP, stack_size - 16, RV_REG_SP, ctx);  in __arch_prepare_bpf_trampoline()
1033 		emit_addi(RV_REG_SP, RV_REG_SP, stack_size, ctx);  in __arch_prepare_bpf_trampoline()
1047 		emit_ld(RV_REG_RA, stack_size - 8, RV_REG_SP, ctx);  in __arch_prepare_bpf_trampoline()
1048 		emit_ld(RV_REG_FP, stack_size - 16, RV_REG_SP, ctx);  in __arch_prepare_bpf_trampoline()
1049 		emit_addi(RV_REG_SP, RV_REG_SP, stack_size, ctx);  in __arch_prepare_bpf_trampoline()
2104 	ctx->stack_size = stack_adjust;  in bpf_jit_build_prologue()