proxy: Add EL0 SMP ops

Signed-off-by: Hector Martin <[email protected]>

proxyclient/m1n1/proxy.py

@@ -558,6 +558,8 @@ class M1N1Proxy(Reloadable):
     P_SMP_STOP_SECONDARIES = 0x506
     P_SMP_CALL_EL1 = 0x507
     P_SMP_CALL_SYNC_EL1 = 0x508
+    P_SMP_CALL_EL0 = 0x509
+    P_SMP_CALL_SYNC_EL0 = 0x50a
 
     P_HEAPBLOCK_ALLOC = 0x600
     P_MALLOC = 0x601
@@ -970,6 +972,14 @@ def smp_call_sync_el1(self, cpu, addr, *args):
         if len(args) > 3:
             raise ValueError("Too many arguments")
         return self.request(self.P_SMP_CALL_SYNC_EL1, cpu, addr, *args)
+    def smp_call_el0(self, cpu, addr, *args):
+        if len(args) > 3:
+            raise ValueError("Too many arguments")
+        self.request(self.P_SMP_CALL_EL0, cpu, addr, *args)
+    def smp_call_sync_el0(self, cpu, addr, *args):
+        if len(args) > 3:
+            raise ValueError("Too many arguments")
+        return self.request(self.P_SMP_CALL_SYNC_EL0, cpu, addr, *args)
 
     def heapblock_alloc(self, size):
         return self.request(self.P_HEAPBLOCK_ALLOC, size)

src/proxy.c

@@ -358,6 +358,15 @@ int proxy_process(ProxyRequest *request, ProxyReply *reply)
                       request->args[3], request->args[4]);
             reply->retval = smp_wait(request->args[0]);
             break;
+        case P_SMP_CALL_EL0:
+            smp_call4(request->args[0], el0_call, request->args[1], request->args[2],
+                      request->args[3], request->args[4]);
+            break;
+        case P_SMP_CALL_EL0_SYNC:
+            smp_call4(request->args[0], el0_call, request->args[1], request->args[2],
+                      request->args[3], request->args[4]);
+            reply->retval = smp_wait(request->args[0]);
+            break;
 
         case P_HEAPBLOCK_ALLOC:
             reply->retval = (u64)heapblock_alloc(request->args[0]);

src/proxy.h

@@ -88,6 +88,8 @@ typedef enum {
     P_SMP_STOP_SECONDARIES,
     P_SMP_CALL_EL1,
     P_SMP_CALL_EL1_SYNC,
+    P_SMP_CALL_EL0,
+    P_SMP_CALL_EL0_SYNC,
 
     P_HEAPBLOCK_ALLOC = 0x600, // Heap and memory management ops
     P_MALLOC,