XIZI_AIoT: Add modifications for all SDK files. Add libmalloc interfaces(not functional)

Ubiquitous/XiZi_AIoT/services/lib/memory/Makefile

@@ -0,0 +1,17 @@
+toolchain ?= arm-none-eabi-
+cc = ${toolchain}gcc
+ld = ${toolchain}g++
+objdump = ${toolchain}objdump
+user_ldflags = -N -Ttext 0
+
+cflags = -std=c11 -march=armv7-a -mtune=cortex-a9 -nostdlib -nodefaultlibs -mfloat-abi=soft -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie -no-pie
+c_useropts = -O0
+
+INC_DIR = -I$(KERNEL_ROOT)/services/boards/imx6q-sabrelite \
+		  -I$(KERNEL_ROOT)/services/lib/ipc  
+
+all:
+
+%.o: %.c
+	@echo "cc $^"
+	@${cc} ${cflags} ${c_useropts} ${INC_DIR} -o $@ -c $^

Ubiquitous/XiZi_AIoT/services/lib/memory/libmalloc.h

@@ -9,4 +9,27 @@
  * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
  * See the Mulan PSL v2 for more details.
  */
+/**
+ * @file libmalloc.h
+ * @brief support malloc and free in userland
+ * @version 3.0
+ * @author AIIT XUOS Lab
+ * @date 2024.01.31
+ */
+
+/*************************************************
+File name: libmalloc.h
+Description: support malloc and free in userland
+Others:
+History:
+1. Date: 2024-01-31
+Author: AIIT XUOS Lab
+Modification:
+1. first version
+*************************************************/
 #pragma once
+
+#include <stddef.h>
+
+void* malloc(size_t size);
+void free(void* ptr);