Switch ok with debug mode apps, implement sys_exit correctly later.

user/Makefile

@@ -1,5 +1,5 @@
 TARGET := riscv64gc-unknown-none-elf
-MODE := release
+MODE := debug
 APP_DIR := src/bin
 TARGET_DIR := target/$(TARGET)/$(MODE)
 APPS := $(wildcard $(APP_DIR)/*.rs)
@@ -9,7 +9,7 @@ BINS := $(patsubst $(APP_DIR)/%.rs, $(TARGET_DIR)/%.bin, $(APPS))
 OBJDUMP := rust-objdump --arch-name=riscv64
 OBJCOPY := rust-objcopy --binary-architecture=riscv64
 
-elf:
+elf: $(APPS)
 	@python3 build.py
 
 binary: elf

user/build.py

@@ -1,6 +1,6 @@
 import os
 
-base_address = 0x80040000
+base_address = 0x80100000
 step = 0x20000
 linker = 'src/linker.ld'
 
@@ -18,7 +18,7 @@ for app in apps:
             lines.append(line)
     with open(linker, 'w+') as f:
         f.writelines(lines)
-    os.system('cargo build --bin %s --release' % app)
+    os.system('cargo build --bin %s' % app)
     print('[build.py] application %s start with address %s' %(app, hex(base_address+step*app_id)))
     with open(linker, 'w+') as f:
         f.writelines(lines_before)

user/src/linker.ld

@@ -2,7 +2,7 @@
 OUTPUT_ARCH(riscv)
 ENTRY(_start)
 
-BASE_ADDRESS = 0x80040000;
+BASE_ADDRESS = 0x80100000;
 
 SECTIONS
 {