1 files changed, 55 insertions, 0 deletions
diff --git a/bsps/powerpc/qemuppc/start/cmain.c b/bsps/powerpc/qemuppc/start/cmain.c
new file mode 100644
index 0000000000..bf46d03177
--- /dev/null
+++ b/bsps/powerpc/qemuppc/start/cmain.c
@@ -0,0 +1,55 @@
+#include <bsp/bootcard.h>
+#include <bsp/linker-symbols.h>
+
+static void
+__outb(int port, unsigned char v)
+{
+  *((volatile unsigned char *)(0x80000000 + port)) = v;
+}
+
+#if 0
+/* currently unused but keep just in case */
+
+static unsigned char
+__inb(int port)
+{
+  return *((volatile unsigned char *)(0x80000000 + port));
+}
+#endif
+
+static void
+__memcpy (unsigned char *d, unsigned char *s, int len)
+{
+  while (len--)
+    *d++ = *s++;
+}
+
+static void
+__bzero (unsigned char *d, int len)
+{
+  while (len--)
+    *d++ = 0;
+}
+
+
+/*
+ * Prototype this here because it is just the entry symbol and
+ * not referenced from any compileable code.
+ */
+void cmain (void);
+
+void cmain (void)
+{
+  /*
+   * init variable sections
+   */
+  __memcpy (bsp_section_data_begin, bsp_section_data_load_begin, (int)bsp_section_data_size);
+  __bzero (bsp_section_bss_begin, (int)bsp_section_bss_size);
+  __bzero (bsp_section_sbss_begin, (int)bsp_section_sbss_size);
+  /* printk( "start of BSP\n"); */
+  boot_card(0);
+  /* printk( "end of BSP\n"); */
+  __outb (0x92, 0x01);
+  while (1)
+    ;
+}