Change some compile flags.

Ubiquitous/XiZi_AIoT/services/lib/ipc/Makefile

@@ -1,7 +1,7 @@
 ifeq ($(BOARD), imx6q-sabrelite)
 toolchain ?= arm-none-eabi-
 user_ldflags = -N -Ttext 0
-cflags = -std=c11 -march=armv7-a -mtune=cortex-a9 -nostdlib -nodefaultlibs -mfloat-abi=soft -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie -no-pie
+cflags = -std=c11 -march=armv7-a -mtune=cortex-a9 -nostdlib -nodefaultlibs -mfloat-abi=soft -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
 endif
 ifeq ($(BOARD), zynq7000-zc702)
 toolchain ?= arm-xilinx-eabi-
@@ -13,7 +13,7 @@ cc = ${toolchain}gcc
 ld = ${toolchain}g++
 objdump = ${toolchain}objdump
 
-c_useropts = -O0
+c_useropts = -O2
 
 INC_DIR = 	-I$(KERNEL_ROOT)/services/lib/ipc \
 		  	-I$(KERNEL_ROOT)/services/lib/memory \

Ubiquitous/XiZi_AIoT/services/lib/ipc/libipc.h

@@ -60,13 +60,13 @@ typedef struct {
 struct IpcArgInfo {
     uint16_t offset;
     uint16_t len;
-};
+} __attribute__((packed));
 
 /* [header, ipc_arg_buffer_len[], ipc_arg_buffer[]] */
 struct IpcMsg {
     ipc_msg_header header;
     uintptr_t buf[];
-};
+} __attribute__((packed));
 enum {
     IPC_ARG_INFO_BASE_OFFSET = sizeof(ipc_msg_header),
 };
@@ -76,7 +76,7 @@ typedef int (*IpcInterface)(struct IpcMsg* msg);
 struct IpcNode {
     char* name;
     IpcInterface interfaces[UINT8_MAX];
-};
+} __attribute__((packed));
 
 #define IPC_SERVER_LOOP(ipc_node_name) rpc_server_loop_##rpc_node_name
 #define IPC_SERVICES(ipc_node_name, ...)         \