Rollback rustsbi & drop debug mode support

os/Cargo.toml

@@ -8,4 +8,7 @@ edition = "2018"
 
 [dependencies]
 riscv = { git = "https://github.com/rcore-os/riscv", features = ["inline-asm"] }
-lazy_static = { version = "1.4.0", features = ["spin_no_std"] }
+lazy_static = { version = "1.4.0", features = ["spin_no_std"] }
+
+[profile.release]
+debug = true

os/Makefile

@@ -1,6 +1,6 @@
 # Building
 TARGET := riscv64gc-unknown-none-elf
-MODE := debug
+MODE := release
 KERNEL_ELF := target/$(TARGET)/$(MODE)/os
 KERNEL_BIN := $(KERNEL_ELF).bin
 DISASM_TMP := target/$(TARGET)/$(MODE)/asm
@@ -104,4 +104,4 @@ gdbserver: build
 gdbclient:
 	@riscv64-unknown-elf-gdb -ex 'file $(KERNEL_ELF)' -ex 'set arch riscv:rv64' -ex 'target remote localhost:1234'
 
-.PHONY: build env kernel clean disasm disasm-vim run-inner switch-check gdbserver
+.PHONY: build env kernel clean disasm disasm-vim run-inner switch-check gdbserver gdbclient

user/Cargo.toml

@@ -8,3 +8,6 @@ edition = "2018"
 
 [dependencies]
 riscv = { git = "https://github.com/rcore-os/riscv", features = ["inline-asm"] } 
+
+[profile.release]
+debug = true