/*
- Routines for talking to the Open Firmware PROM on
- Power Macintosh computers.
-
- 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
-
+ * prom.c - Routines for talking to the Open Firmware PROM
+ *
+ * Copyright (C) 2001, 2002 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.
*/
#include "prom.h"
va_list list;
int i;
struct prom_args prom_args;
-
+
prom_args.service = service;
prom_args.nargs = nargs;
prom_args.nret = nret;
int i;
void* result;
struct prom_args prom_args;
-
+
prom_args.service = service;
prom_args.nargs = nargs;
prom_args.nret = nret;
va_list list;
int i;
struct prom_args prom_args;
-
+
prom_args.service = "call-method";
prom_args.nargs = nargs+2;
prom_args.nret = 2;
va_end(list);
prom_args.args[2+nargs] = 0;
prom_args.args[2+nargs+1] = 0;
-
+
prom (&prom_args);
if (prom_args.args[2+nargs] != 0)
/* Add a few OF methods (thanks Darwin) */
#if DEBUG
prom_printf ("Adding OF methods...\n");
-#endif
+#endif
prom_interpret (
/* All values in this forth code are in hex */
- "hex "
+ "hex "
/* Those are a few utilities ripped from Apple */
": D2NIP decode-int nip nip ;\r" // A useful function to save space
": GPP$ get-package-property 0= ;\r" // Another useful function to save space
{
int result = 0;
int retries = 10;
-
+
if (n == 0)
return 0;
while(--retries) {
break;
call_prom("interpret", 1, 1, " 10 ms");
}
-
+
return result;
}
#if READ_BLOCKS_USE_READ
int status;
unsigned int blksize;
-
+
blksize = prom_getblksize(dev);
if (blksize <= 1)
blksize = 512;
return 0;
prom_printf("Can't seek to 0x%x\n", blockNum * blksize);
}
-
+
status = prom_read(dev, buffer, blockCount * blksize);
// prom_printf("prom_readblocks, bl: %d, cnt: %d, status: %d\n",
// blockNum, blockCount, status);
return status == (blockCount * blksize);
-#else
+#else
int result;
int retries = 10;
-
+
if (blockCount == 0)
return blockCount;
while(--retries) {
break;
call_prom("interpret", 1, 1, " 10 ms");
}
-
+
return result;
-#endif
+#endif
}
int
{
const char *p, *q;
- for (p = s; *p != 0; p = q)
+ for (p = s; *p != 0; p = q)
{
for (q = p; *q != 0 && *q != '\n'; ++q)
;
if (q > p)
call_prom ("write", 3, 1, file, p, q - p);
- if (*q != 0)
+ if (*q != 0)
{
++q;
call_prom ("write", 3, 1, file, "\r\n", 2);
}
}
}
-
+
void
prom_vfprintf (prom_handle file, char *fmt, va_list ap)
{
- static char printf_buf[1536];
+ static char printf_buf[2048];
vsprintf (printf_buf, fmt, ap);
prom_puts (file, printf_buf);
}
void
prom_vprintf (char *fmt, va_list ap)
{
- static char printf_buf[1536];
+ static char printf_buf[2048];
vsprintf (printf_buf, fmt, ap);
prom_puts (prom_stdout, printf_buf);
}
else if (error == FILE_IOERR)
prom_printf("%s: Input/output error\n", filename);
else if (error == FILE_BAD_PATH)
- prom_printf("%s: Path too long\n", filename);
+ prom_printf("%s: Path too long\n", filename);
else if (error == FILE_ERR_BAD_TYPE)
prom_printf("%s: Not a regular file\n", filename);
else if (error == FILE_ERR_NOTDIR)
void
prom_release(void *virt, unsigned int size)
{
-// call_prom ("release", 2, 1, virt, size);
+ call_prom ("release", 2, 0, virt, size);
+#if 0 /* this is bullshit, newworld OF RELEASE method works fine. */
+
/* release in not enough, it needs also an unmap call. This bit of forth
* code inspired from Darwin's bootloader but could be replaced by direct
* calls to the MMU package if needed
"2dup \" unmap\" ^mmu " // Unmap the space first
"2dup \" release\" ^mmu " // Then free the virtual pages
"\" release\" ^mem " // Then free the physical pages
- ,size, virt
+ ,size, virt
);
+#endif /* bullshit */
}
void
call_prom("enter", 0, 0);
}
-/*
+/*
* Local variables:
- * c-file-style: "K&R"
+ * c-file-style: "k&r"
* c-basic-offset: 5
* End:
*/
projects / yaboot.git / blobdiff