This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / arch / powerpc / boot / ops.h

diff --git a/arch/powerpc/boot/ops.h b/arch/powerpc/boot/ops.h
new file mode 100644 (file)
index 0000000..8abb651
--- /dev/null
+++ b/arch/powerpc/boot/ops.h
@@ -0,0 +1,102 @@
+/*
+ * Global definition of all the bootwrapper operations.
+ *
+ * Author: Mark A. Greer <mgreer@mvista.com>
+ *
+ * 2006 (c) MontaVista Software, Inc.  This file is licensed under
+ * the terms of the GNU General Public License version 2.  This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ */
+#ifndef _PPC_BOOT_OPS_H_
+#define _PPC_BOOT_OPS_H_
+
+#include "types.h"
+
+#define        COMMAND_LINE_SIZE       512
+#define        MAX_PATH_LEN            256
+#define        MAX_PROP_LEN            256 /* What should this be? */
+
+/* Platform specific operations */
+struct platform_ops {
+       void    (*fixups)(void);
+       void    (*image_hdr)(const void *);
+       void *  (*malloc)(u32 size);
+       void    (*free)(void *ptr);
+       void *  (*realloc)(void *ptr, unsigned long size);
+       void    (*exit)(void);
+};
+extern struct platform_ops platform_ops;
+
+/* Device Tree operations */
+struct dt_ops {
+       void *  (*finddevice)(const char *name);
+       int     (*getprop)(const void *phandle, const char *name, void *buf,
+                       const int buflen);
+       int     (*setprop)(const void *phandle, const char *name,
+                       const void *buf, const int buflen);
+       unsigned long (*finalize)(void);
+};
+extern struct dt_ops dt_ops;
+
+/* Console operations */
+struct console_ops {
+       int     (*open)(void);
+       void    (*write)(char *buf, int len);
+       void    (*edit_cmdline)(char *buf, int len);
+       void    (*close)(void);
+       void    *data;
+};
+extern struct console_ops console_ops;
+
+/* Serial console operations */
+struct serial_console_data {
+       int             (*open)(void);
+       void            (*putc)(unsigned char c);
+       unsigned char   (*getc)(void);
+       u8              (*tstc)(void);
+       void            (*close)(void);
+};
+
+int platform_init(void *promptr, char *dt_blob_start, char *dt_blob_end);
+int ft_init(void *dt_blob, unsigned int max_size, unsigned int max_find_device);
+int serial_console_init(void);
+int ns16550_console_init(void *devp, struct serial_console_data *scdp);
+void *simple_alloc_init(char *base, u32 heap_size, u32 granularity,
+               u32 max_allocs);
+
+
+static inline void *finddevice(const char *name)
+{
+       return (dt_ops.finddevice) ? dt_ops.finddevice(name) : NULL;
+}
+
+static inline int getprop(void *devp, const char *name, void *buf, int buflen)
+{
+       return (dt_ops.getprop) ? dt_ops.getprop(devp, name, buf, buflen) : -1;
+}
+
+static inline int setprop(void *devp, const char *name, void *buf, int buflen)
+{
+       return (dt_ops.setprop) ? dt_ops.setprop(devp, name, buf, buflen) : -1;
+}
+
+static inline void *malloc(u32 size)
+{
+       return (platform_ops.malloc) ? platform_ops.malloc(size) : NULL;
+}
+
+static inline void free(void *ptr)
+{
+       if (platform_ops.free)
+               platform_ops.free(ptr);
+}
+
+static inline void exit(void)
+{
+       if (platform_ops.exit)
+               platform_ops.exit();
+       for(;;);
+}
+
+#endif /* _PPC_BOOT_OPS_H_ */