Initial import of qemu-2.4.1HEADmaster

1 files changed, 67 insertions, 0 deletions

diff --git a/roms/SLOF/clients/net-snk/kernel/init.c b/roms/SLOF/clients/net-snk/kernel/init.c
new file mode 100644
index 00000000..1376b647
--- /dev/null
+++ b/roms/SLOF/clients/net-snk/kernel/init.c
@@ -0,0 +1,67 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+
+#include <stdint.h>
+#include <string.h>
+#include <stdlib.h> /* malloc */
+#include <of.h>
+#include <pci.h>
+#include <kernel.h>
+#include <cpu.h>
+#include <fileio.h>
+
+/* Application entry point .*/
+extern int _start(unsigned char *arg_string, long len);
+extern int main(int, char**);
+int _start_kernel(unsigned long p0, unsigned long p1);
+void * malloc_aligned(size_t size, int align);
+
+unsigned long exception_stack_frame;
+
+snk_fileio_t fd_array[FILEIO_MAX];
+
+extern uint64_t tb_freq;
+
+extern char __client_start;
+extern char __client_end;
+
+void * malloc_aligned(size_t size, int align)
+{
+	unsigned long p = (unsigned long) malloc(size + align - 1);
+	p = p + align - 1;
+	p = p & ~(align - 1);
+
+	return (void *) p;
+}
+
+int _start_kernel(unsigned long p0, unsigned long p1)
+{
+	int rc;
+	unsigned int timebase;
+
+	/* initialize all file descriptor by marking them as empty */
+	for(rc=0; rc<FILEIO_MAX; ++rc)
+		fd_array[rc].type = FILEIO_TYPE_EMPTY;
+
+	/* this is step is e.g. resposible to initialize file descriptor 0 and 1 for STDIO */
+	rc = of_glue_init(&timebase, (size_t)(unsigned long)&__client_start,
+			  (size_t)(unsigned long)&__client_end - (size_t)(unsigned long)&__client_start);
+	if(rc < 0)
+		return -1;
+
+	tb_freq = (uint64_t) timebase;
+	rc = _start((unsigned char *) p0, p1);
+
+	of_glue_release();
+	return rc;
+}
+