user app can invoke kernel syscall!!!!

kernel/Cargo.toml

@@ -1,10 +1,10 @@
 [package]
-name = "picocalc-os-rs"
+name = "kernel"
 version = "0.1.0"
 edition = "2024"
 
 [[bin]]
-name = "picocalc-os-rs"
+name = "kernel"
 path = "src/main.rs"
 test = false
 doctest = false
@@ -78,11 +78,13 @@ static_cell = "2.1.1"
 bitflags = "2.9.1"
 heapless = "0.8.0"
 num_enum = { version = "0.7.4", default-features = false }
-goblin = { version = "0.10.0", default-features = false, features = ["elf32", "elf64", "alloc", "endian_fd"] }
-bumpalo = "3.19.0"
+goblin = { version = "0.10.0", default-features = false, features = [
+  "elf32",
+  "elf64",
+  "endian_fd",
+] }
 talc = "4.4.3"
 spin = "0.10.0"
 
 shared = { path = "../shared" }
 abi = { path = "../abi" }
-