101 lines
2.5 KiB
C
101 lines
2.5 KiB
C
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/*
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* Global definition of all the bootwrapper operations.
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*
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* Author: Mark A. Greer <mgreer@mvista.com>
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*
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* 2006 (c) MontaVista Software, Inc. This file is licensed under
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* the terms of the GNU General Public License version 2. This program
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* is licensed "as is" without any warranty of any kind, whether express
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* or implied.
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*/
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#ifndef _PPC_BOOT_OPS_H_
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#define _PPC_BOOT_OPS_H_
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#include "types.h"
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#define COMMAND_LINE_SIZE 512
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#define MAX_PATH_LEN 256
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#define MAX_PROP_LEN 256 /* What should this be? */
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/* Platform specific operations */
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struct platform_ops {
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void (*fixups)(void);
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void (*image_hdr)(const void *);
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void * (*malloc)(u32 size);
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void (*free)(void *ptr, u32 size);
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void (*exit)(void);
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};
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extern struct platform_ops platform_ops;
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/* Device Tree operations */
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struct dt_ops {
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void * (*finddevice)(const char *name);
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int (*getprop)(const void *node, const char *name, void *buf,
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const int buflen);
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int (*setprop)(const void *node, const char *name,
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const void *buf, const int buflen);
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u64 (*translate_addr)(const char *path, const u32 *in_addr,
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const u32 addr_len);
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unsigned long (*ft_addr)(void);
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};
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extern struct dt_ops dt_ops;
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/* Console operations */
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struct console_ops {
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int (*open)(void);
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void (*write)(char *buf, int len);
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void (*edit_cmdline)(char *buf, int len);
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void (*close)(void);
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void *data;
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};
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extern struct console_ops console_ops;
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/* Serial console operations */
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struct serial_console_data {
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int (*open)(void);
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void (*putc)(unsigned char c);
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unsigned char (*getc)(void);
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u8 (*tstc)(void);
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void (*close)(void);
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};
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extern int platform_init(void *promptr);
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extern void simple_alloc_init(void);
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extern void ft_init(void *dt_blob);
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extern int serial_console_init(void);
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static inline void *finddevice(const char *name)
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{
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return (dt_ops.finddevice) ? dt_ops.finddevice(name) : NULL;
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}
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static inline int getprop(void *devp, const char *name, void *buf, int buflen)
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{
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return (dt_ops.getprop) ? dt_ops.getprop(devp, name, buf, buflen) : -1;
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}
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static inline int setprop(void *devp, const char *name, void *buf, int buflen)
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{
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return (dt_ops.setprop) ? dt_ops.setprop(devp, name, buf, buflen) : -1;
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}
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static inline void *malloc(u32 size)
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{
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return (platform_ops.malloc) ? platform_ops.malloc(size) : NULL;
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}
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static inline void free(void *ptr, u32 size)
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{
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if (platform_ops.free)
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platform_ops.free(ptr, size);
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}
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static inline void exit(void)
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{
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if (platform_ops.exit)
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platform_ops.exit();
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for(;;);
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}
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#endif /* _PPC_BOOT_OPS_H_ */
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