/*
- Definitions for talking to the Open Firmware PROM on
- Power Macintosh computers.
-
- Copyright (C) 1999 Marius Vollmer
- Copyright (C) 1996 Paul Mackerras.
-
- 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
-*/
+ * prom.h - Routines for talking to the Open Firmware PROM
+ *
+ * Copyright (C) 2001 Ethan Benson
+ *
+ * Copyright (C) 1999 Benjamin Herrenschmidt
+ *
+ * Copyright (C) 1999 Marius Vollmer
+ *
+ * Copyright (C) 1996 Paul Mackerras.
+ *
+ * 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.
+ */
#ifndef PROM_H
#define PROM_H
+#include "types.h"
#include "stdarg.h"
typedef void *prom_handle;
typedef void *phandle;
#define PROM_INVALID_HANDLE ((prom_handle)-1UL)
+#define BOOTDEVSZ (2048) /* iscsi args can be in excess of 1040 bytes */
+#define TOK_ISCSI "iscsi"
+#define PROM_CLAIM_MAX_ADDR 0x8000000
+#define BOOTLASTSZ 1024
+#define FW_NBR_REBOOTSZ 4
struct prom_args;
typedef int (*prom_entry)(struct prom_args *);
void prom_putchar (char);
int prom_nbgetchar();
+#ifdef __GNUC__
+void prom_vprintf (char *fmt, va_list ap) __attribute__ ((format (printf, 1, 0)));
+void prom_fprintf (prom_handle dev, char *fmt, ...) __attribute__ ((format (printf, 2, 3)));
+void prom_printf (char *fmt, ...) __attribute__ ((format (printf, 1, 2)));
+#else
void prom_vprintf (char *fmt, va_list ap);
void prom_fprintf (prom_handle dev, char *fmt, ...);
void prom_printf (char *fmt, ...);
+#endif
+
+void prom_perror (int error, char *filename);
void prom_readline (char *prompt, char *line, int len);
int prom_set_color(prom_handle device, int color, int r, int g, int b);
/* memory */
+void *prom_claim_chunk(void *virt, unsigned int size, unsigned int align);
void *prom_claim (void *virt, unsigned int size, unsigned int align);
void prom_release(void *virt, unsigned int size);
void prom_map (void *phys, void *virt, int size);
prom_handle prom_finddevice (char *name);
prom_handle prom_findpackage (char *path);
int prom_getprop (prom_handle dev, char *name, void *buf, int len);
+int prom_setprop (prom_handle dev, char *name, void *buf, int len);
+int prom_getproplen(prom_handle, const char *);
+int prom_get_devtype (char *device);
/* misc */
void prom_exit ();
void prom_abort (char *fmt, ...);
+void prom_sleep (int seconds);
int prom_interpret (char *forth);
int prom_get_chosen (char *name, void *mem, int len);
int prom_get_options (char *name, void *mem, int len);
+int prom_set_options (char *name, void *mem, int len);
extern int prom_getms(void);
extern void prom_pause(void);
extern void *call_prom (const char *service, int nargs, int nret, ...);
extern void *call_prom_return (const char *service, int nargs, int nret, ...);
+/* Netboot stuffs */
+
+/*
+ * "bootp-response" is the property name which is specified in
+ * the recommended practice doc for obp-tftp. However, pmac
+ * provides a "dhcp-response" property and chrp provides a
+ * "bootpreply-packet" property. The latter appears to begin the
+ * bootp packet at offset 0x2a in the property for some reason.
+ */
+
+struct bootp_property_offset {
+ char *name; /* property name */
+ int offset; /* offset into property where bootp packet occurs */
+};
+
+static const struct bootp_property_offset bootp_response_properties[] = {
+ { .name = "bootp-response", .offset = 0 },
+ { .name = "dhcp-response", .offset = 0 },
+ { .name = "bootpreply-packet", .offset = 0x2a },
+};
+
+struct bootp_packet {
+ __u8 op, htype, hlen, hops;
+ __u32 xid;
+ __u16 secs, flags;
+ __u32 ciaddr, yiaddr, siaddr, giaddr;
+ unsigned char chaddr[16];
+ unsigned char sname[64];
+ unsigned char file[128];
+ unsigned char options[]; /* vendor options */
+};
+
+struct bootp_packet * prom_get_netinfo (void);
+char * prom_get_mac (struct bootp_packet * packet);
+char * prom_get_ip (struct bootp_packet * packet);
+
#endif
projects / yaboot.git / blobdiff