From bed6fe6ef714a1c2358f063f7553b34defbb9fb1 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Sat, 11 Apr 2009 12:59:15 +0000
Subject: Added code coverage tool.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@887 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 test/coverage/chcore.c | 128 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 128 insertions(+)
 create mode 100644 test/coverage/chcore.c

(limited to 'test/coverage/chcore.c')

diff --git a/test/coverage/chcore.c b/test/coverage/chcore.c
new file mode 100644
index 000000000..cdc87ceb5
--- /dev/null
+++ b/test/coverage/chcore.c
@@ -0,0 +1,128 @@
+/*
+    ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
+
+    This file is part of ChibiOS/RT.
+
+    ChibiOS/RT is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    ChibiOS/RT is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <windows.h>
+#include <stdio.h>
+
+#undef CDECL
+
+/**
+ * @addtogroup WIN32SIM_CORE
+ * @{
+ */
+
+#include <ch.h>
+
+static LARGE_INTEGER nextcnt;
+static LARGE_INTEGER slice;
+
+void init_simcom1(void);
+bool_t com1_conn_chkint(void);
+bool_t com1_in_chkint(void);
+bool_t com1_out_chkint(void);
+
+/*
+ * Simulated HW initialization.
+ */
+void InitCore(void) {
+  printf("ChibiOS/RT test simulator\n\n");
+  printf("Thread structure %d bytes\n", sizeof(Thread));
+  if (!QueryPerformanceFrequency(&slice)) {
+    fprintf(stderr, "QueryPerformanceFrequency() error");
+    fflush(stderr);
+    exit(1);
+  }
+  printf("Core Frequency   %u Hz\n", (int)slice.LowPart);
+  slice.QuadPart /= CH_FREQUENCY;
+  QueryPerformanceCounter(&nextcnt);
+  nextcnt.QuadPart += slice.QuadPart;
+
+  init_simcom1();
+
+  fflush(stdout);
+}
+
+/*
+ * Interrupt simulation.
+ */
+void ChkIntSources(void) {
+  LARGE_INTEGER n;
+  bool_t rflag = FALSE;
+
+  if (com1_conn_chkint() || com1_in_chkint() || com1_out_chkint()) {
+    if (chSchRescRequiredI())
+      rflag = TRUE;
+  }
+
+  // Interrupt Timer simulation (10ms interval).
+  QueryPerformanceCounter(&n);
+  if (n.QuadPart > nextcnt.QuadPart) {
+    nextcnt.QuadPart += slice.QuadPart;
+    chSysTimerHandlerI();
+    if (chSchRescRequiredI())
+      rflag = TRUE;
+  }
+
+  if (rflag)
+    chSchDoRescheduleI();
+}
+
+/**
+ * Performs a context switch between two threads.
+ * @param otp the thread to be switched out
+ * @param ntp the thread to be switched in
+ */
+__attribute__((used))
+static void __dummy(Thread *otp, Thread *ntp) {
+  asm volatile (".globl @port_switch@8                          \n\t" \
+               "@port_switch@8:                                 \n\t" \
+                "push    %ebp                                   \n\t" \
+                "push    %esi                                   \n\t" \
+                "push    %edi                                   \n\t" \
+                "push    %ebx                                   \n\t" \
+                "movl    %esp, 16(%ecx)                         \n\t" \
+                "movl    16(%edx), %esp                         \n\t" \
+                "pop     %ebx                                   \n\t" \
+                "pop     %edi                                   \n\t" \
+                "pop     %esi                                   \n\t" \
+                "pop     %ebp                                   \n\t" \
+                "ret");
+}
+
+/**
+ * Halts the system. In this implementation it just exits the simulation.
+ */
+__attribute__((fastcall))
+void port_halt(void) {
+
+  fprintf(stderr, "\nHalted\n");
+  fflush(stderr);
+  exit(2);
+}
+
+/**
+ * Threads return point, it just invokes @p chThdExit().
+ */
+void threadexit(void) {
+
+  asm volatile ("push    %eax                                   \n\t" \
+                "call    _chThdExit");
+}
+
+/** @} */
-- 
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