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authorwdenk <wdenk>2002-11-03 00:24:07 +0000
committerwdenk <wdenk>2002-11-03 00:24:07 +0000
commitc609719b8d1b2dca590e0ed499016d041203e403 (patch)
tree7ea1755d80903ff972f312a249eb856061d40e15 /post/cpu.c
parent5b1d713721c3ea02549940133f09236783dda1f9 (diff)
Initial revision
Diffstat (limited to 'post/cpu.c')
-rw-r--r--post/cpu.c132
1 files changed, 132 insertions, 0 deletions
diff --git a/post/cpu.c b/post/cpu.c
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+/*
+ * (C) Copyright 2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program 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 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+/*
+ * CPU test
+ *
+ * This test checks the arithmetic logic unit (ALU) of CPU.
+ * It tests independently various groups of instructions using
+ * run-time modification of the code to reduce the memory footprint.
+ * For more details refer to post/cpu/ *.c files.
+ */
+
+#ifdef CONFIG_POST
+
+#include <watchdog.h>
+#include <post.h>
+
+#if CONFIG_POST & CFG_POST_CPU
+
+extern int cpu_post_test_cmp (void);
+extern int cpu_post_test_cmpi (void);
+extern int cpu_post_test_two (void);
+extern int cpu_post_test_twox (void);
+extern int cpu_post_test_three (void);
+extern int cpu_post_test_threex (void);
+extern int cpu_post_test_threei (void);
+extern int cpu_post_test_andi (void);
+extern int cpu_post_test_srawi (void);
+extern int cpu_post_test_rlwnm (void);
+extern int cpu_post_test_rlwinm (void);
+extern int cpu_post_test_rlwimi (void);
+extern int cpu_post_test_store (void);
+extern int cpu_post_test_load (void);
+extern int cpu_post_test_cr (void);
+extern int cpu_post_test_b (void);
+extern int cpu_post_test_multi (void);
+extern int cpu_post_test_string (void);
+extern int cpu_post_test_complex (void);
+
+ulong cpu_post_makecr (long v)
+{
+ ulong cr = 0;
+
+ if (v < 0)
+ cr |= 0x80000000;
+ if (v > 0)
+ cr |= 0x40000000;
+ if (v == 0)
+ cr |= 0x20000000;
+
+ return cr;
+}
+
+int cpu_post_test (int flags)
+{
+ int ic = icache_status ();
+ int ret = 0;
+
+ if (ic)
+ icache_disable ();
+
+ if (ret == 0)
+ ret = cpu_post_test_cmp ();
+ if (ret == 0)
+ ret = cpu_post_test_cmpi ();
+ if (ret == 0)
+ ret = cpu_post_test_two ();
+ if (ret == 0)
+ ret = cpu_post_test_twox ();
+ if (ret == 0)
+ ret = cpu_post_test_three ();
+ if (ret == 0)
+ ret = cpu_post_test_threex ();
+ if (ret == 0)
+ ret = cpu_post_test_threei ();
+ WATCHDOG_RESET();
+ if (ret == 0)
+ ret = cpu_post_test_andi ();
+ if (ret == 0)
+ ret = cpu_post_test_srawi ();
+ if (ret == 0)
+ ret = cpu_post_test_rlwnm ();
+ if (ret == 0)
+ ret = cpu_post_test_rlwinm ();
+ if (ret == 0)
+ ret = cpu_post_test_rlwimi ();
+ if (ret == 0)
+ ret = cpu_post_test_store ();
+ if (ret == 0)
+ ret = cpu_post_test_load ();
+ WATCHDOG_RESET();
+ if (ret == 0)
+ ret = cpu_post_test_cr ();
+ if (ret == 0)
+ ret = cpu_post_test_b ();
+ if (ret == 0)
+ ret = cpu_post_test_multi ();
+ if (ret == 0)
+ ret = cpu_post_test_string ();
+ if (ret == 0)
+ ret = cpu_post_test_complex ();
+
+ if (ic)
+ icache_enable ();
+
+ return ret;
+}
+
+#endif /* CONFIG_POST & CFG_POST_CPU */
+#endif /* CONFIG_POST */