type-trivialization and dep-reduction.

Author: pnkfelix

tock/chips/arty_e21/Cargo.toml

@@ -6,6 +6,5 @@ edition = "2018"
 
 [dependencies]
 sifive = { path = "../sifive" }
-rv32i = { path = "../../arch/rv32i" }
 kernel = { path = "../../kernel" }
 

tock/chips/arty_e21/src/lib.rs

@@ -6,7 +6,6 @@
 
 pub mod chip {
 use kernel;
-use rv32i;
 
 extern "C" {
     fn _start_trap();
@@ -21,7 +20,7 @@ impl ArtyExx {
 
 impl kernel::Chip for ArtyExx {
     type MPU = ();
-    type UserspaceKernelBoundary = rv32i::syscall::SysCall;
+    type UserspaceKernelBoundary = ();
     type SysTick = ();
 }