sync-platform: rename is_prog_code

Author: Aurélien Nicolas

ceno_emul/src/platform.rs

@@ -32,21 +32,21 @@ pub const CENO_PLATFORM: Platform = Platform {
 impl Platform {
     // Virtual memory layout.
 
-    pub fn is_rom(&self, addr: Addr) -> bool {
+    pub fn is_prog_code(&self, addr: Addr) -> bool {
         self.prog_code.contains(&addr)
     }
 
-    pub fn is_ram(&self, addr: Addr) -> bool {
-        self.stack.contains(&addr) || self.heap.contains(&addr) || self.is_prog_data(addr)
-    }
-
     pub fn is_prog_data(&self, addr: Addr) -> bool {
         self.prog_data
             .as_ref()
             .map(|set| set.contains(&(addr & !0x3)))
             .unwrap_or(false)
     }
 
+    pub fn is_ram(&self, addr: Addr) -> bool {
+        self.stack.contains(&addr) || self.heap.contains(&addr) || self.is_prog_data(addr)
+    }
+
     pub fn is_pub_io(&self, addr: Addr) -> bool {
         self.public_io.contains(&addr)
     }
@@ -83,7 +83,7 @@ impl Platform {
     }
 
     pub fn can_execute(&self, addr: Addr) -> bool {
-        self.is_rom(addr)
+        self.is_prog_code(addr)
     }
 
     // Environment calls.
@@ -124,16 +124,16 @@ mod tests {
         let p = CENO_PLATFORM;
         assert!(p.can_execute(p.pc_base()));
         // ROM and RAM do not overlap.
-        assert!(!p.is_rom(p.heap.start));
-        assert!(!p.is_rom(p.heap.end - WORD_SIZE as Addr));
+        assert!(!p.is_prog_code(p.heap.start));
+        assert!(!p.is_prog_code(p.heap.end - WORD_SIZE as Addr));
         assert!(!p.is_ram(p.prog_code.start));
         assert!(!p.is_ram(p.prog_code.end - WORD_SIZE as Addr));
         // Registers do not overlap with ROM or RAM.
         for reg in [
             Platform::register_vma(0),
             Platform::register_vma(VMState::REG_COUNT - 1),
         ] {
-            assert!(!p.is_rom(reg));
+            assert!(!p.is_prog_code(reg));
             assert!(!p.is_ram(reg));
         }
     }