From: Tim Newsome <tim@sifive.com>
Date: Thu, 1 Sep 2016 20:17:56 +0000 (-0700)
Subject: Add some immediate trigger tests.
X-Git-Url: https://git.libre-soc.org/?p=riscv-tests.git;a=commitdiff_plain;h=55d31b6f933bda107a399fdd169bd01a7ea5da6c;hp=83e90dd49da860c4af50325dec13355abe5386bb;ds=sidebyside

Add some immediate trigger tests.
---

diff --git a/debug/gdbserver.py b/debug/gdbserver.py
index 2aa589a..851644b 100755
--- a/debug/gdbserver.py
+++ b/debug/gdbserver.py
@@ -393,6 +393,14 @@ class TriggerTest(DeleteServer):
         self.assertIn("Breakpoint", output)
         self.assertIn("_exit", output)
 
+    def test_execute_immediate(self):
+        """Test an execute breakpoint on the first instruction executed out of
+        debug mode."""
+        main = self.gdb.p("$pc")
+        self.gdb.command("hbreak *0x%x" % (main + 4))
+        self.gdb.c()
+        self.assertEqual(self.gdb.p("$pc"), main+4)
+
     def test_load_address(self):
         self.gdb.command("rwatch *((&data)+1)");
         output = self.gdb.c()
@@ -401,6 +409,15 @@ class TriggerTest(DeleteServer):
                 self.gdb.p("(&data)+1"))
         self.exit()
 
+    def test_load_address_immediate(self):
+        """Test a load address breakpoint on the first instruction executed out
+        of debug mode."""
+        write_loop = self.gdb.p("&write_loop")
+        self.gdb.command("rwatch data");
+        self.gdb.c()
+        self.assertEqual(self.gdb.p("$pc"), write_loop)
+        self.assertEqual(self.gdb.p("$a0"), self.gdb.p("(&data)+1"))
+
     def test_store_address(self):
         self.gdb.command("watch *((&data)+3)");
         output = self.gdb.c()
diff --git a/debug/programs/trigger.S b/debug/programs/trigger.S
index e5dfa67..25d2b89 100644
--- a/debug/programs/trigger.S
+++ b/debug/programs/trigger.S
@@ -3,11 +3,11 @@
 #undef MCONTROL_TYPE
 #undef MCONTROL_DMODE
 #ifdef __riscv64
-# define MCONTROL_TYPE    (0xfU<<((64)-4))
-# define MCONTROL_DMODE   (1U<<((64)-5))
+# define MCONTROL_TYPE    (0xf<<(64-4))
+# define MCONTROL_DMODE   (1<<(64-5))
 #else
-# define MCONTROL_TYPE    (0xfU<<((32)-4))
-# define MCONTROL_DMODE   (1U<<((32)-5))
+# define MCONTROL_TYPE    (0xf<<(32-4))
+# define MCONTROL_DMODE   (1<<(32-5))
 #endif
 
         .global         main
@@ -25,10 +25,10 @@ read_loop:
         blt     t0, t2, read_loop
 
         la      a0, data
-        li      t0, 0
+        li      t0, 1
 write_loop:
-        addi    t0, t0, 1
         sw      t0, 0(a0)
+        addi    t0, t0, 1
         addi    a0, a0, 4
         blt     t0, t2, write_loop