[PATCH] ARC update

This updates the ARC firmware support code.  Also removes the 64-bit
variant of the code; the 64-bit kernel now uses the 32-bit code also.

arch/mips/arc/Makefile

 #
-# Makefile for the SGI arcs prom monitor library routines
-# under Linux.
+# Makefile for the ARC prom monitor library routines under Linux.
 #
 
-lib-y		+= console.o init.o memory.o tree.o env.o cmdline.o misc.o \
-		   time.o file.o identify.o
+lib-y				+= cmdline.o env.o file.o identify.o init.o \
+				   misc.o time.o tree.o
 
+lib-$(CONFIG_ARC_MEMORY)	+= memory.o
 lib-$(CONFIG_ARC_CONSOLE)	+= arc_con.o
+lib-$(CONFIG_ARC_PROMLIB)	+= promlib.o

arch/mips/arc/arc_con.c

@@ -3,68 +3,48 @@
  * ARC io-routines.
  *
  * Copyright (c) 1998 Harald Koerfgen
+ * Copyright (c) 2001 Ralf Baechle
+ * Copyright (c) 2002 Thiemo Seufer
  */
-
 #include <linux/tty.h>
 #include <linux/major.h>
-#include <linux/ptrace.h>
 #include <linux/init.h>
 #include <linux/console.h>
 #include <linux/fs.h>
-
-extern char prom_getchar (void);
-extern void prom_printf (char *, ...);
+#include <asm/sgialib.h>
 
 static void prom_console_write(struct console *co, const char *s,
 			       unsigned count)
 {
-	unsigned i;
-
-	/*
-	 *    Now, do each character
-	 */
-	for (i = 0; i < count; i++) {
-		if (*s == 10)
-			prom_printf("%c", 13);
-		prom_printf("%c", *s++);
+	/* Do each character */
+	while (count--) {
+		if (*s == '\n')
+			prom_putchar('\r');
+		prom_putchar(*s++);
 	}
 }
 
-static int prom_console_wait_key(struct console *co)
-{
-	return prom_getchar();
-}
-
 static int __init prom_console_setup(struct console *co, char *options)
 {
-	return 0;
-}
-
-static kdev_t prom_console_device(struct console *c)
-{
-	return MKDEV(TTY_MAJOR, 64 + c->index);
+	return !(prom_flags & PROM_FLAG_USE_AS_CONSOLE);
 }
 
 static struct console arc_cons = {
-	"ttyS",
-	prom_console_write,
-	NULL,
-	prom_console_device,
-	prom_console_wait_key,
-	NULL,
-	prom_console_setup,
-	CON_PRINTBUFFER,
-	-1,
-	0,
-	NULL
+	.name		= "arc",
+	.write		= prom_console_write,
+	.setup		= prom_console_setup,
+	.flags		= CON_PRINTBUFFER,
+	.index		= -1,
 };
 
 /*
  *    Register console.
  */
 
-static void __init arc_console_init(void)
+static int __init arc_console_init(void)
 {
 	register_console(&arc_cons);
+
+	return 0;
 }
 console_initcall(arc_console_init);

arch/mips/arc/cmdline.c

 /*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
  * cmdline.c: Kernel command line creation using ARCS argc/argv.
  *
  * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
@@ -12,11 +16,11 @@
 
 #undef DEBUG_CMDLINE
 
-char arcs_cmdline[COMMAND_LINE_SIZE];
+char arcs_cmdline[CL_SIZE];
 
 char * __init prom_getcmdline(void)
 {
-	return &(arcs_cmdline[0]);
+	return arcs_cmdline;
 }
 
 static char *ignored[] = {
@@ -28,7 +32,6 @@ static char *ignored[] = {
 	"OSLoadFilename=",
 	"OSLoadOptions="
 };
-#define NENTS(foo) ((sizeof((foo)) / (sizeof((foo[0])))))
 
 static char *used_arc[][2] = {
 	{ "OSLoadPartition=", "root=" },
@@ -43,16 +46,16 @@ static char * __init move_firmware_args(char* cp)
 	actr = 1; /* Always ignore argv[0] */
 
 	while (actr < prom_argc) {
-		for(i = 0; i < NENTS(used_arc); i++) {
+		for(i = 0; i < ARRAY_SIZE(used_arc); i++) {
 			int len = strlen(used_arc[i][0]);
 
-			if(!strncmp(prom_argv[actr], used_arc[i][0], len)) {
+			if (!strncmp(prom_argv(actr), used_arc[i][0], len)) {
 			/* Ok, we want it. First append the replacement... */
 				strcat(cp, used_arc[i][1]);
 				cp += strlen(used_arc[i][1]);
 				/* ... and now the argument */
-				s = strstr(prom_argv[actr], "=");
-				if(s) {
+				s = strstr(prom_argv(actr), "=");
+				if (s) {
 					s++;
 					strcpy(cp, s);
 					cp += strlen(s);
@@ -67,7 +70,6 @@ static char * __init move_firmware_args(char* cp)
 	return cp;
 }
 
-
 void __init prom_init_cmdline(void)
 {
 	char *cp;
@@ -75,7 +77,7 @@ void __init prom_init_cmdline(void)
 
 	actr = 1; /* Always ignore argv[0] */
 
-	cp = &(arcs_cmdline[0]);
+	cp = arcs_cmdline;
 	/*
 	 * Move ARC variables to the beginning to make sure they can be
 	 * overridden by later arguments.
@@ -83,25 +85,26 @@ void __init prom_init_cmdline(void)
 	cp = move_firmware_args(cp);
 
 	while (actr < prom_argc) {
-		for (i = 0; i < NENTS(ignored); i++) {
+		for (i = 0; i < ARRAY_SIZE(ignored); i++) {
 			int len = strlen(ignored[i]);
 
-			if(!strncmp(prom_argv[actr], ignored[i], len))
+			if (!strncmp(prom_argv(actr), ignored[i], len))
 				goto pic_cont;
 		}
 		/* Ok, we want it. */
-		strcpy(cp, prom_argv[actr]);
-		cp += strlen(prom_argv[actr]);
+		strcpy(cp, prom_argv(actr));
+		cp += strlen(prom_argv(actr));
 		*cp++ = ' ';
 
 	pic_cont:
 		actr++;
 	}
-	if (cp != &(arcs_cmdline[0])) /* get rid of trailing space */
+
+	if (cp != arcs_cmdline)		/* get rid of trailing space */
 		--cp;
 	*cp = '\0';
 
 #ifdef DEBUG_CMDLINE
-	prom_printf("prom_init_cmdline: %s\n", &(arcs_cmdline[0]));
+	printk(KERN_DEBUG "prom cmdline: %s\n", arcs_cmdline);
 #endif
 }

arch/mips/arc/console.c

@@ -6,14 +6,9 @@
  * Copyright (C) 1996 David S. Miller (dm@sgi.com)
  * Compability with board caches, Ulf Carlsson
  */
-#include <linux/config.h>
-#include <linux/init.h>
 #include <linux/kernel.h>
 #include <asm/sgialib.h>
 #include <asm/bcache.h>
-#include <linux/console.h>
-#include <linux/kdev_t.h>
-#include <linux/major.h>
 
 /*
  * IP22 boardcache is not compatible with board caches.  Thus we disable it
@@ -27,44 +22,42 @@
 
 void prom_putchar(char c)
 {
-	long cnt;
-	char it = c;
+	ULONG cnt;
+	CHAR it = c;
 
 	bc_disable();
-	romvec->write(1, &it, 1, &cnt);
+	ArcWrite(1, &it, 1, &cnt);
 	bc_enable();
 }
 
-char __init prom_getchar(void)
+char prom_getchar(void)
 {
-	long cnt;
-	char c;
+	ULONG cnt;
+	CHAR c;
 
 	bc_disable();
-	romvec->read(0, &c, 1, &cnt);
+	ArcRead(0, &c, 1, &cnt);
 	bc_enable();
 
 	return c;
 }
 
-static char ppbuf[1024];
-
 void prom_printf(char *fmt, ...)
 {
 	va_list args;
-	char ch, *bptr;
-	int i;
+	char ppbuf[1024];
+	char *bptr;
 
 	va_start(args, fmt);
-	i = vsprintf(ppbuf, fmt, args);
+	vsprintf(ppbuf, fmt, args);
 
 	bptr = ppbuf;
 
-	while ((ch = *(bptr++)) != 0) {
-		if (ch == '\n')
+	while (*bptr != 0) {
+		if (*bptr == '\n')
 			prom_putchar('\r');
 
-		prom_putchar(ch);
+		prom_putchar(*bptr++);
 	}
 	va_end(args);
 }

arch/mips/arc/env.c

 /*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
  * env.c: ARCS environment variable routines.
  *
  * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
- *
- * $Id: env.c,v 1.2 1999/10/09 00:00:57 ralf Exp $
  */
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
 
+#include <asm/arc/types.h>
 #include <asm/sgialib.h>
 
 PCHAR __init
 ArcGetEnvironmentVariable(CHAR *name)
 {
-	return romvec->get_evar(name);
+	return (CHAR *) ARC_CALL1(get_evar, name);
 }
 
 LONG __init
 ArcSetEnvironmentVariable(PCHAR name, PCHAR value)
 {
-	return romvec->set_evar(name, value);
+	return ARC_CALL2(set_evar, name, value);
 }

arch/mips/arc/file.c

 /*
- * file.c: ARCS firmware interface to files.
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
  *
- * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
+ * ARC firmware interface.
  *
- * $Id: file.c,v 1.1 1998/10/18 13:32:08 tsbogend Exp $
+ * Copyright (C) 1994, 1995, 1996, 1999 Ralf Baechle
+ * Copyright (C) 1999 Silicon Graphics, Inc.
  */
 #include <linux/init.h>
+
+#include <asm/arc/types.h>
 #include <asm/sgialib.h>
 
-long __init prom_getvdirent(unsigned long fd, struct linux_vdirent *ent, unsigned long num, unsigned long *cnt)
+LONG __init
+ArcGetDirectoryEntry(ULONG FileID, struct linux_vdirent *Buffer,
+                     ULONG N, ULONG *Count)
 {
-	return romvec->get_vdirent(fd, ent, num, cnt);
+	return ARC_CALL4(get_vdirent, FileID, Buffer, N, Count);
 }
 
-long __init prom_open(char *name, enum linux_omode md, unsigned long *fd)
+LONG __init
+ArcOpen(CHAR *Path, enum linux_omode OpenMode, ULONG *FileID)
 {
-	return romvec->open(name, md, fd);
+	return ARC_CALL3(open, Path, OpenMode, FileID);
 }
 
-long __init prom_close(unsigned long fd)
+LONG __init
+ArcClose(ULONG FileID)
 {
-	return romvec->close(fd);
+	return ARC_CALL1(close, FileID);
 }
 
-long __init prom_read(unsigned long fd, void *buf, unsigned long num, unsigned long *cnt)
+LONG __init
+ArcRead(ULONG FileID, VOID *Buffer, ULONG N, ULONG *Count)
 {
-	return romvec->read(fd, buf, num, cnt);
+	return ARC_CALL4(read, FileID, Buffer, N, Count);
 }
 
-long __init prom_getrstatus(unsigned long fd)
+LONG __init
+ArcGetReadStatus(ULONG FileID)
 {
-	return romvec->get_rstatus(fd);
+	return ARC_CALL1(get_rstatus, FileID);
 }
 
-long __init prom_write(unsigned long fd, void *buf, unsigned long num, unsigned long *cnt)
+LONG __init
+ArcWrite(ULONG FileID, PVOID Buffer, ULONG N, PULONG Count)
 {
-	return romvec->write(fd, buf, num, cnt);
+	return ARC_CALL4(write, FileID, Buffer, N, Count);
 }
 
-long __init prom_seek(unsigned long fd, struct linux_bigint *off, enum linux_seekmode sm)
+LONG __init
+ArcSeek(ULONG FileID, struct linux_bigint *Position, enum linux_seekmode SeekMode)
 {
-	return romvec->seek(fd, off, sm);
+	return ARC_CALL3(seek, FileID, Position, SeekMode);
 }
 
-long __init prom_mount(char *name, enum linux_mountops op)
+LONG __init
+ArcMount(char *name, enum linux_mountops op)
 {
-	return romvec->mount(name, op);
+	return ARC_CALL2(mount, name, op);
 }
 
-long __init prom_getfinfo(unsigned long fd, struct linux_finfo *buf)
+LONG __init
+ArcGetFileInformation(ULONG FileID, struct linux_finfo *Information)
 {
-	return romvec->get_finfo(fd, buf);
+	return ARC_CALL2(get_finfo, FileID, Information);
 }
 
-long __init prom_setfinfo(unsigned long fd, unsigned long flags, unsigned long msk)
+LONG __init ArcSetFileInformation(ULONG FileID, ULONG AttributeFlags,
+                                  ULONG AttributeMask)
 {
-	return romvec->set_finfo(fd, flags, msk);
+	return ARC_CALL3(set_finfo, FileID, AttributeFlags, AttributeMask);
 }

arch/mips/arc/identify.c

 /*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
  * identify.c: identify machine by looking up system identifier
  *
  * Copyright (C) 1998 Thomas Bogendoerfer
@@ -7,59 +11,107 @@
  *
  * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
  */
+#include <linux/config.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/string.h>
 
-#include <asm/sgi/sgi.h>
 #include <asm/sgialib.h>
 #include <asm/bootinfo.h>
 
 struct smatch {
-	char *name;
+	char *arcname;
+	char *liname;
 	int group;
 	int type;
 	int flags;
 };
 
 static struct smatch mach_table[] = {
-	{"SGI-IP22", MACH_GROUP_SGI, MACH_SGI_INDY, PROM_FLAG_ARCS},
-	{"Microsoft-Jazz", MACH_GROUP_JAZZ, MACH_MIPS_MAGNUM_4000, 0},
-	{"PICA-61", MACH_GROUP_JAZZ, MACH_ACER_PICA_61, 0},
-	{"RM200PCI", MACH_GROUP_SNI_RM, MACH_SNI_RM200_PCI, 0}
+	{	"SGI-IP22",
+		"SGI Indy",
+		MACH_GROUP_SGI,
+		MACH_SGI_IP22,
+		PROM_FLAG_ARCS
+	}, {	"SGI-IP27",
+		"SGI Origin",
+		MACH_GROUP_SGI,
+		MACH_SGI_IP27,
+		PROM_FLAG_ARCS
+	}, {	"SGI-IP28",
+		"SGI IP28",
+		MACH_GROUP_SGI,
+		MACH_SGI_IP28,
+		PROM_FLAG_ARCS
+	}, {	"SGI-IP32",
+		"SGI IP32",
+		MACH_GROUP_SGI,
+		MACH_SGI_IP32,
+		PROM_FLAG_ARCS
+	}, {	"Microsoft-Jazz",
+		"Jazz MIPS_Magnum_4000",
+		MACH_GROUP_JAZZ,
+		MACH_MIPS_MAGNUM_4000,
+		0
+	}, {	"PICA-61",
+		"Jazz Acer_PICA_61",
+		MACH_GROUP_JAZZ,
+		MACH_ACER_PICA_61,
+		0
+	}, {	"RM200PCI",
+		"SNI RM200_PCI",
+		MACH_GROUP_SNI_RM,
+		MACH_SNI_RM200_PCI,
+		0
+	}
 };
 
 int prom_flags;
 
-static struct smatch *__init string_to_mach(char *s)
+static struct smatch * __init string_to_mach(const char *s)
 {
 	int i;
 
 	for (i = 0; i < (sizeof(mach_table) / sizeof (mach_table[0])); i++) {
-		if (!strcmp(s, mach_table[i].name))
+		if (!strcmp(s, mach_table[i].arcname))
 			return &mach_table[i];
 	}
-	prom_printf("\nYeee, could not determine architecture type <%s>\n",
-		    s);
-	prom_printf("press a key to reboot\n");
-	prom_getchar();
-	romvec->imode();
-	return NULL;
+
+	panic("Yeee, could not determine architecture type <%s>", s);
+}
+
+char *system_type;
+
+const char *get_system_type(void)
+{
+	return system_type;
 }
 
 void __init prom_identify_arch(void)
 {
 	pcomponent *p;
 	struct smatch *mach;
+	const char *iname;
 
 	/*
-	 * The root component tells us what machine architecture we
-	 * have here.
+	 * The root component tells us what machine architecture we have here.
 	 */
-	p = prom_getchild(PROM_NULL_COMPONENT);
-	printk("ARCH: %s\n", p->iname);
-	mach = string_to_mach(p->iname);
+	p = ArcGetChild(PROM_NULL_COMPONENT);
+	if (p == NULL) {
+#ifdef CONFIG_SGI_IP27
+		/* IP27 PROM misbehaves, seems to not implement ARC
+		   GetChild().  So we just assume it's an IP27.  */
+		iname = "SGI-IP27";
+#else
+		iname = "Unknown";
+#endif
+	} else
+		iname = (char *) (long) p->iname;
+
+	printk("ARCH: %s\n", iname);
+	mach = string_to_mach(iname);
+	system_type = mach->liname;
 
 	mips_machgroup = mach->group;
 	mips_machtype = mach->type;

arch/mips/arc/init.c

 /*
- * This file is subject to the terms and conditions of the GNU General Public+ 
+ * This file is subject to the terms and conditions of the GNU General Public
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
@@ -16,38 +16,17 @@
 
 /* Master romvec interface. */
 struct linux_romvec *romvec;
-struct linux_promblock *sgi_pblock;
 int prom_argc;
-char **prom_argv, **prom_envp;
-unsigned short prom_vers, prom_rev;
-
-extern void prom_testtree(void);
-
-extern void arc_setup_console(void);
+LONG *_prom_argv, *_prom_envp;
 
 void __init prom_init(int argc, char **argv, char **envp, int *prom_vec)
 {
-	struct linux_promblock *pb;
-
+	PSYSTEM_PARAMETER_BLOCK pb = PROMBLOCK;
 	romvec = ROMVECTOR;
-	pb = sgi_pblock = PROMBLOCK;
 	prom_argc = argc;
-	prom_argv = argv;
-	prom_envp = envp;
-
-#if 0
-	/* arc_printf should not use prom_printf as soon as we free
-	 * the prom buffers - This horribly breaks on Indys with framebuffer
-	 * as it simply stops after initialising swap - On the Indigo2 serial
-	 * console you will get A LOT illegal instructions - Only enable
-	 * this for early init crashes - This also brings up artefacts of
-	 * printing everything twice on serial console and on GFX Console
-	 * this has the effect of having the prom printing everything
-	 * in the small rectangle and the kernel printing around.
-	 */
+	_prom_argv = (LONG *) argv;
+	_prom_envp = (LONG *) envp;
 
-	arc_setup_console();
-#endif
 	if (pb->magic != 0x53435241) {
 		prom_printf("Aieee, bad prom vector magic %08lx\n", pb->magic);
 		while(1)
@@ -55,19 +34,14 @@ void __init prom_init(int argc, char **argv, char **envp, int *prom_vec)
 	}
 
 	prom_init_cmdline();
-
-	prom_vers = pb->ver;
-	prom_rev = pb->rev;
 	prom_identify_arch();
-	printk("PROMLIB: ARC firmware Version %d Revision %d\n",
-		    prom_vers, prom_rev);
+	printk(KERN_INFO "PROMLIB: ARC firmware Version %d Revision %d\n",
+	       pb->ver, pb->rev);
 	prom_meminit();
 
 #ifdef DEBUG_PROM_INIT
-	{
 	prom_printf("Press a key to reboot\n");
-		(void) prom_getchar();
-		romvec->imode();
-	}
+	prom_getchar();
+	ArcEnterInteractiveMode();
 #endif
 }

arch/mips/arc/memory.c

@@ -2,7 +2,14 @@
  * memory.c: PROM library functions for acquiring/using memory descriptors
  *           given to us from the ARCS firmware.
  *
- * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
+ * Copyright (C) 1996 by David S. Miller
+ * Copyright (C) 1999, 2000, 2001 by Ralf Baechle
+ * Copyright (C) 1999, 2000 by Silicon Graphics, Inc.
+ *
+ * PROM library functions for acquiring/using memory descriptors given to us
+ * from the ARCS firmware.  This is only used when CONFIG_ARC_MEMORY is set
+ * because on some machines like SGI IP27 the ARC memory configuration data
+ * completly bogus and alternate easier to use mechanisms are available.
  */
 #include <linux/init.h>
 #include <linux/kernel.h>
@@ -19,10 +26,9 @@
 
 #undef DEBUG
 
-struct linux_mdesc * __init
-ArcGetMemoryDescriptor(struct linux_mdesc *Current)
+struct linux_mdesc * __init ArcGetMemoryDescriptor(struct linux_mdesc *Current)
 {
-	return romvec->get_mdesc(Current);
+	return (struct linux_mdesc *) ARC_CALL1(get_mdesc, Current);
 }
 
 #ifdef DEBUG /* convenient for debugging */
@@ -47,7 +53,8 @@ static char *arc_mtypes[8] = {
 	"FirmwarePermanent",
 	"FreeContiguous"
 };
-#define mtypes(a) (prom_flags & PROM_FLAG_ARCS) ? arcs_mtypes[a.arcs] : arc_mtypes[a.arc]
+#define mtypes(a) (prom_flags & PROM_FLAG_ARCS) ? arcs_mtypes[a.arcs] \
+						: arc_mtypes[a.arc]
 #endif
 
 static inline int memtype_classify_arcs (union linux_memtypes type)
@@ -128,8 +135,7 @@ void __init prom_meminit(void)
 	}
 }
 
-void __init
-prom_free_prom_memory (void)
+void __init prom_free_prom_memory (void)
 {
 	unsigned long freed = 0;
 	unsigned long addr;
@@ -149,5 +155,5 @@ prom_free_prom_memory (void)
 			freed += PAGE_SIZE;
 		}
 	}
-	printk("Freeing prom memory: %ldkb freed\n", freed >> 10);
+	printk(KERN_INFO "Freeing prom memory: %ldkb freed\n", freed >> 10);
 }

arch/mips/arc/misc.c

 /*
- * misc.c: Miscellaneous ARCS PROM routines.
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Miscellaneous ARCS PROM routines.
  *
  * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
+ * Copyright (C) 1999 Ralf Baechle (ralf@gnu.org)
+ * Copyright (C) 1999 Silicon Graphics, Inc.
  */
 #include <linux/config.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
 
 #include <asm/bcache.h>
+
+#include <asm/arc/types.h>
 #include <asm/sgialib.h>
 #include <asm/bootinfo.h>
 #include <asm/system.h>
@@ -15,68 +23,81 @@
 extern void *sgiwd93_host;
 extern void reset_wd33c93(void *instance);
 
-void prom_halt(void)
+VOID
+ArcHalt(VOID)
 {
 	bc_disable();
-	cli();
+	local_irq_disable();
 #ifdef CONFIG_SCSI_SGIWD93
 	reset_wd33c93(sgiwd93_host);
 #endif
-	romvec->halt();
+	ARC_CALL0(halt);
+never:	goto never;
 }
 
-void prom_powerdown(void)
+VOID
+ArcPowerDown(VOID)
 {
 	bc_disable();
-	cli();
+	local_irq_disable();
 #ifdef CONFIG_SCSI_SGIWD93
 	reset_wd33c93(sgiwd93_host);
 #endif
-	romvec->pdown();
+	ARC_CALL0(pdown);
+never:	goto never;
 }
 
 /* XXX is this a soft reset basically? XXX */
-void prom_restart(void)
+VOID
+ArcRestart(VOID)
 {
 	bc_disable();
-	cli();
+	local_irq_disable();
 #ifdef CONFIG_SCSI_SGIWD93
 	reset_wd33c93(sgiwd93_host);
 #endif
-	romvec->restart();
+	ARC_CALL0(restart);
+never:	goto never;
 }
 
-void prom_reboot(void)
+VOID
+ArcReboot(VOID)
 {
 	bc_disable();
-	cli();
+	local_irq_disable();
 #ifdef CONFIG_SCSI_SGIWD93
 	reset_wd33c93(sgiwd93_host);
 #endif
-	romvec->reboot();
+	ARC_CALL0(reboot);
+never:	goto never;
 }
 
-void ArcEnterInteractiveMode(void)
+VOID
+ArcEnterInteractiveMode(VOID)
 {
 	bc_disable();
-	cli();
+	local_irq_disable();
 #ifdef CONFIG_SCSI_SGIWD93
 	reset_wd33c93(sgiwd93_host);
 #endif
-	romvec->imode();
+	ARC_CALL0(imode);
+never:	goto never;
 }
 
-long prom_cfgsave(void)
+LONG
+ArcSaveConfiguration(VOID)
 {
-	return romvec->cfg_save();
+	return ARC_CALL0(cfg_save);
 }
 
-struct linux_sysid *prom_getsysid(void)
+struct linux_sysid *
+ArcGetSystemId(VOID)
 {
-	return romvec->get_sysid();
+	return (struct linux_sysid *) ARC_CALL0(get_sysid);
 }
 
-void __init prom_cacheflush(void)
+VOID __init
+ArcFlushAllCaches(VOID)
 {
-	romvec->cache_flush();
+	ARC_CALL0(cache_flush);
 }

arch/mips64/arc/console.c → arch/mips/arc/promlib.c

@@ -4,30 +4,40 @@
  * for more details.
  *
  * Copyright (C) 1996 David S. Miller (dm@sgi.com)
+ * Compability with board caches, Ulf Carlsson
  */
-#include <linux/init.h>
 #include <linux/kernel.h>
 #include <asm/sgialib.h>
+#include <asm/bcache.h>
 
-static char ppbuf[1024];
+/*
+ * IP22 boardcache is not compatible with board caches.  Thus we disable it
+ * during romvec action.  Since r4xx0.c is always compiled and linked with your
+ * kernel, this shouldn't cause any harm regardless what MIPS processor you
+ * have.
+ *
+ * The ARC write and read functions seem to interfere with the serial lines
+ * in some way. You should be careful with them.
+ */
 
-void prom_printf(char *fmt, ...)
+void prom_putchar(char c)
 {
-	va_list args;
-	char ch, *bptr;
-	int i;
+	ULONG cnt;
+	CHAR it = c;
 
-	va_start(args, fmt);
-	i = vsprintf(ppbuf, fmt, args);
+	bc_disable();
+	ArcWrite(1, &it, 1, &cnt);
+	bc_enable();
+}
 
-	bptr = ppbuf;
+char prom_getchar(void)
+{
+	ULONG cnt;
+	CHAR c;
 
-	while((ch = *(bptr++)) != 0) {
-		if(ch == '\n')
-			prom_putchar('\r');
+	bc_disable();
+	ArcRead(0, &c, 1, &cnt);
+	bc_enable();
 
-		prom_putchar(ch);
-	}
-	va_end(args);
-	return;
+	return c;
 }

arch/mips/arc/salone.c

 /*
- * salone.c: Routines to load into memory and execute stand-along
- *           program images using ARCS PROM firmware.
+ * Routines to load into memory and execute stand-along program images using
+ * ARCS PROM firmware.
  *
  * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
- *
- * $Id: salone.c,v 1.1 1998/10/18 13:32:09 tsbogend Exp $
  */
 #include <linux/init.h>
 #include <asm/sgialib.h>
 
-long __init prom_load(char *name, unsigned long end, unsigned long *pc, unsigned long *eaddr)
+LONG __init ArcLoad(CHAR *Path, ULONG TopAddr, ULONG *ExecAddr, ULONG *LowAddr)
 {
-	return romvec->load(name, end, pc, eaddr);
+	return ARC_CALL4(load, Path, TopAddr, ExecAddr, LowAddr);
 }
 
-long __init prom_invoke(unsigned long pc, unsigned long sp, long argc, char **argv, char **envp)
+LONG __init ArcInvoke(ULONG ExecAddr, ULONG StackAddr, ULONG Argc, CHAR *Argv[],
+	CHAR *Envp[])
 {
-	return romvec->invoke(pc, sp, argc, argv, envp);
+	return ARC_CALL5(invoke, ExecAddr, StackAddr, Argc, Argv, Envp);
 }
 
-long __init prom_exec(char *name, long argc, char **argv, char **envp)
+LONG __init ArcExecute(CHAR *Path, LONG Argc, CHAR *Argv[], CHAR *Envp[])
 {
-	return romvec->exec(name, argc, argv, envp);
+	return ARC_CALL4(exec, Path, Argc, Argv, Envp);
 }

arch/mips/arc/time.c

 /*
- * time.c: Extracting time information from ARCS prom.
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
  *
- * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
+ * Extracting time information from ARCS prom.
  *
- * $Id: time.c,v 1.1 1998/10/18 13:32:10 tsbogend Exp $
+ * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
  */
 #include <linux/init.h>
+
+#include <asm/arc/types.h>
 #include <asm/sgialib.h>
 
-struct linux_tinfo * __init prom_gettinfo(void)
+struct linux_tinfo * __init
+ArcGetTime(VOID)
 {
-	return romvec->get_tinfo();
+	return (struct linux_tinfo *) ARC_CALL0(get_tinfo);
 }
 
-unsigned long __init prom_getrtime(void)
+ULONG __init
+ArcGetRelativeTime(VOID)
 {
-	return romvec->get_rtime();
+	return ARC_CALL0(get_rtime);
 }

arch/mips/arc/tree.c

 /*
- * tree.c: PROM component device tree code.
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
  *
- * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
+ * PROM component device tree code.
  *
- * $Id: tree.c,v 1.1 1998/10/18 13:32:10 tsbogend Exp $
+ * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
+ * Copyright (C) 1999 Ralf Baechle (ralf@gnu.org)
+ * Copyright (C) 1999 Silicon Graphics, Inc.
  */
 #include <linux/init.h>
+#include <asm/arc/types.h>
 #include <asm/sgialib.h>
 
-#define DEBUG_PROM_TREE
+#undef DEBUG_PROM_TREE
 
-pcomponent * __init prom_getsibling(pcomponent *this)
+pcomponent * __init
+ArcGetPeer(pcomponent *Current)
 {
-	if(this == PROM_NULL_COMPONENT)
+	if (Current == PROM_NULL_COMPONENT)
 		return PROM_NULL_COMPONENT;
-	return romvec->next_component(this);
+
+	return (pcomponent *) ARC_CALL1(next_component, Current);
 }
 
-pcomponent * __init prom_getchild(pcomponent *this)
+pcomponent * __init
+ArcGetChild(pcomponent *Current)
 {
-	return romvec->child_component(this);
+	return (pcomponent *) ARC_CALL1(child_component, Current);
 }
 
-pcomponent * __init prom_getparent(pcomponent *child)
+pcomponent * __init
+ArcGetParent(pcomponent *Current)
 {
-	if(child == PROM_NULL_COMPONENT)
+	if (Current == PROM_NULL_COMPONENT)
 		return PROM_NULL_COMPONENT;
-	return romvec->parent_component(child);
+
+	return (pcomponent *) ARC_CALL1(parent_component, Current);
 }
 
-long __init prom_getcdata(void *buffer, pcomponent *this)
+LONG __init
+ArcGetConfigurationData(VOID *Buffer, pcomponent *Current)
 {
-	return romvec->component_data(buffer, this);
+	return ARC_CALL2(component_data, Buffer, Current);
 }
 
-pcomponent * __init prom_childadd(pcomponent *this, pcomponent *tmp, void *data)
+pcomponent * __init
+ArcAddChild(pcomponent *Current, pcomponent *Template, VOID *ConfigurationData)
 {
-	return romvec->child_add(this, tmp, data);
+	return (pcomponent *)
+	       ARC_CALL3(child_add, Current, Template, ConfigurationData);
 }
 
-long __init prom_delcomponent(pcomponent *this)
+LONG __init
+ArcDeleteComponent(pcomponent *ComponentToDelete)
 {
-	return romvec->comp_del(this);
+	return ARC_CALL1(comp_del, ComponentToDelete);
 }
 
-pcomponent * __init prom_componentbypath(char *path)
+pcomponent * __init
+ArcGetComponent(CHAR *Path)
 {
-	return romvec->component_by_path(path);
+	return (pcomponent *)ARC_CALL1(component_by_path, Path);
 }
 
 #ifdef DEBUG_PROM_TREE
+
 static char *classes[] = {
 	"system", "processor", "cache", "adapter", "controller", "peripheral",
 	"memory"
 };
 
 static char *types[] = {
-	"arc", "cpu", "fpu", "picache", "pdcache", "sicache", "sdcache", "sccache",
-	"memdev", "eisa adapter", "tc adapter", "scsi adapter", "dti adapter",
-	"multi-func adapter", "disk controller", "tp controller",
-	"cdrom controller", "worm controller", "serial controller",
-	"net controller", "display controller", "parallel controller",
-	"pointer controller", "keyboard controller", "audio controller",
-	"misc controller", "disk peripheral", "floppy peripheral",
-	"tp peripheral", "modem peripheral", "monitor peripheral",
-	"printer peripheral", "pointer peripheral", "keyboard peripheral",
-	"terminal peripheral", "line peripheral", "net peripheral",
-	"misc peripheral", "anonymous"
+	"arc", "cpu", "fpu", "picache", "pdcache", "sicache", "sdcache",
+	"sccache", "memdev", "eisa adapter", "tc adapter", "scsi adapter",
+	"dti adapter", "multi-func adapter", "disk controller",
+	"tp controller", "cdrom controller", "worm controller",
+	"serial controller", "net controller", "display controller",
+	"parallel controller", "pointer controller", "keyboard controller",
+	"audio controller", "misc controller", "disk peripheral",
+	"floppy peripheral", "tp peripheral", "modem peripheral",
+	"monitor peripheral", "printer peripheral", "pointer peripheral",
+	"keyboard peripheral", "terminal peripheral", "line peripheral",
+	"net peripheral", "misc peripheral", "anonymous"
 };
 
 static char *iflags[] = {
@@ -74,7 +90,8 @@ static char *iflags[] = {
 	"input", "output"
 };
 
-static void __init dump_component(pcomponent *p)
+static void __init
+dump_component(pcomponent *p)
 {
 	prom_printf("[%p]:class<%s>type<%s>flags<%s>ver<%d>rev<%d>",
 		    p, classes[p->class], types[p->type],
@@ -83,27 +100,28 @@ static void __init dump_component(pcomponent *p)
 		    p->key, p->amask, (int)p->cdsize, (int)p->ilen, p->iname);
 }
 
-static void __init traverse(pcomponent *p, int op)
+static void __init
+traverse(pcomponent *p, int op)
 {
 	dump_component(p);
-	if(prom_getchild(p))
-		traverse(prom_getchild(p), 1);
-	if(prom_getsibling(p) && op)
-		traverse(prom_getsibling(p), 1);
+	if(ArcGetChild(p))
+		traverse(ArcGetChild(p), 1);
+	if(ArcGetPeer(p) && op)
+		traverse(ArcGetPeer(p), 1);
 }
 
-void __init prom_testtree(void)
+void __init
+prom_testtree(void)
 {
 	pcomponent *p;
 
-	p = prom_getchild(PROM_NULL_COMPONENT);
+	p = ArcGetChild(PROM_NULL_COMPONENT);
 	dump_component(p);
-	p = prom_getchild(p);
+	p = ArcGetChild(p);
 	while(p) {
 		dump_component(p);
-		p = prom_getsibling(p);
+		p = ArcGetPeer(p);
 	}
-	prom_printf("press a key\n");
-	prom_getchar();
 }
-#endif
+
+#endif /* DEBUG_PROM_TREE  */

arch/mips64/arc/Makefile

-#
-# Makefile for the ARC prom monitor library routines under Linux.
-#
-
-lib-y	:= console.o init.o identify.o tree.o env.o cmdline.o misc.o time.o \
-	   file.o
-
-lib-$(CONFIG_ARC_MEMORY) += memory.o
-lib-$(CONFIG_ARC_CONSOLE) += arc_con.o

arch/mips64/arc/arc_con.c

-/*
- * Wrap-around code for a console using the
- * ARC io-routines.
- *
- * Copyright (c) 1998 Harald Koerfgen 
- * Copyright (c) 2001 Ralf Baechle
- */
-#include <linux/tty.h>
-#include <linux/major.h>
-#include <linux/ptrace.h>
-#include <linux/init.h>
-#include <linux/console.h>
-#include <linux/fs.h>
-
-#include <asm/sgialib.h>
-
-extern void prom_printf (char *, ...);
-
-void prom_putchar(char c)
-{
-	ULONG cnt;
-	CHAR it = c;
-
-	ArcWrite(1, &it, 1, &cnt);
-}
-
-static void prom_console_write(struct console *co, const char *s,
-			       unsigned count)
-{
-	unsigned i;
-
-	/*
-	 *    Now, do each character
-	 */
-	for (i = 0; i < count; i++) {
-		if (*s == 10)
-			prom_printf("%c", 13);
-		prom_printf("%c", *s++);
-	}
-}
-
-static int prom_console_wait_key(struct console *co)
-{
-	return 0;
-}
-
-static int __init prom_console_setup(struct console *co, char *options)
-{
-	return 0;
-}
-
-static kdev_t prom_console_device(struct console *c)
-{
-	return MKDEV(TTY_MAJOR, 64 + c->index);
-}
-
-static struct console arc_cons = {
-	"ttyS",
-	prom_console_write,
-	NULL,
-	prom_console_device,
-	prom_console_wait_key,
-	NULL,
-	prom_console_setup,
-	CON_PRINTBUFFER,
-	-1,
-	0,
-	NULL
-};
-
-/*
- *    Register console.
- */
-
-void __init arc_console_init(void)
-{
-	register_console(&arc_cons);
-}

arch/mips64/arc/cmdline.c

-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * cmdline.c: Kernel command line creation using ARCS argc/argv.
- *
- * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
- */
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-
-#include <asm/sgialib.h>
-#include <asm/bootinfo.h>
-
-/* #define DEBUG_CMDLINE */
-
-char arcs_cmdline[CL_SIZE];
-
-char * __init prom_getcmdline(void)
-{
-	return &(arcs_cmdline[0]);
-}
-
-static char *ignored[] = {
-	"ConsoleIn=",
-	"ConsoleOut=",
-	"SystemPartition=",
-	"OSLoader=",
-	"OSLoadPartition=",
-	"OSLoadFilename=",
-	"OSLoadOptions="
-};
-#define NENTS(foo) ((sizeof((foo)) / (sizeof((foo[0])))))
-
-static char *used_arc[][2] = {
-	{ "OSLoadPartition=", "root=" },
-	{ "OSLoadOptions=", "" }
-};
-
-static char * __init move_firmware_args(char* cp)
-{
-	char *s;
-	int actr, i;
-
-	actr = 1; /* Always ignore argv[0] */
-
-	while (actr < prom_argc) {
-		for(i = 0; i < NENTS(used_arc); i++) {
-			int len = strlen(used_arc[i][0]);
-
-			if (!strncmp(prom_argv(actr), used_arc[i][0], len)) {
-			/* Ok, we want it. First append the replacement... */
-				strcat(cp, used_arc[i][1]);
-				cp += strlen(used_arc[i][1]);
-				/* ... and now the argument */
-				s = strstr(prom_argv(actr), "=");
-				if (s) {
-					s++;
-					strcpy(cp, s);
-					cp += strlen(s);
-				}
-				*cp++ = ' ';
-				break;
-			}
-		}
-		actr++;
-	}
-
-	return cp;
-}
-
-
-void __init prom_init_cmdline(void)
-{
-	char *cp;
-	int actr, i;
-
-	actr = 1; /* Always ignore argv[0] */
-
-	cp = &(arcs_cmdline[0]);
-	/* 
-	 * Move ARC variables to the beginning to make sure they can be
-	 * overridden by later arguments.
-	 */
-	cp = move_firmware_args(cp);
-
-	while (actr < prom_argc) {
-		for (i = 0; i < NENTS(ignored); i++) {
-			int len = strlen(ignored[i]);
-
-			if (!strncmp(prom_argv(actr), ignored[i], len))
-				goto pic_cont;
-		}
-		/* Ok, we want it. */
-		strcpy(cp, prom_argv(actr));
-		cp += strlen(prom_argv(actr));
-		*cp++ = ' ';
-
-	pic_cont:
-		actr++;
-	}
-	if (cp != &(arcs_cmdline[0])) /* get rid of trailing space */
-		--cp;
-	*cp = '\0';
-
-#ifdef DEBUG_CMDLINE
-	prom_printf("prom_init_cmdline: %s\n", &(arcs_cmdline[0]));
-#endif
-}

arch/mips64/arc/env.c

-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * env.c: ARCS environment variable routines.
- *
- * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
- */
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-
-#include <asm/arc/types.h>
-#include <asm/sgialib.h>
-
-PCHAR __init
-ArcGetEnvironmentVariable(CHAR *name)
-{
-	return (CHAR *) ARC_CALL1(get_evar, name);
-}
-
-LONG __init
-ArcSetEnvironmentVariable(PCHAR name, PCHAR value)
-{
-	return ARC_CALL2(set_evar, name, value);
-}

arch/mips64/arc/file.c

-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * ARC firmware interface.
- *
- * Copyright (C) 1994, 1995, 1996, 1999 Ralf Baechle
- * Copyright (C) 1999 Silicon Graphics, Inc.
- */
-#include <linux/init.h>
-
-#include <asm/arc/types.h>
-#include <asm/sgialib.h>
-
-LONG __init
-ArcGetDirectoryEntry(ULONG FileID, struct linux_vdirent *Buffer,
-                     ULONG N, ULONG *Count)
-{
-	return ARC_CALL4(get_vdirent, FileID, Buffer, N, Count);
-}
-
-LONG __init
-ArcOpen(CHAR *Path, enum linux_omode OpenMode, ULONG *FileID)
-{
-	return ARC_CALL3(open, Path, OpenMode, FileID);
-}
-
-LONG __init
-ArcClose(ULONG FileID)
-{
-	return ARC_CALL1(close, FileID);
-}
-
-LONG __init
-ArcRead(ULONG FileID, VOID *Buffer, ULONG N, ULONG *Count)
-{
-	return ARC_CALL4(read, FileID, Buffer, N, Count);
-}
-
-LONG __init
-ArcGetReadStatus(ULONG FileID)
-{
-	return ARC_CALL1(get_rstatus, FileID);
-}
-
-LONG __init
-ArcWrite(ULONG FileID, PVOID Buffer, ULONG N, PULONG Count)
-{
-	return ARC_CALL4(write, FileID, Buffer, N, Count);
-}
-
-LONG __init
-ArcSeek(ULONG FileID, struct linux_bigint *Position, enum linux_seekmode SeekMode)
-{
-	return ARC_CALL3(seek, FileID, Position, SeekMode);
-}
-
-LONG __init
-ArcMount(char *name, enum linux_mountops op)
-{
-	return ARC_CALL2(mount, name, op);
-}
-
-LONG __init
-ArcGetFileInformation(ULONG FileID, struct linux_finfo *Information)
-{
-	return ARC_CALL2(get_finfo, FileID, Information);
-}
-
-LONG __init ArcSetFileInformation(ULONG FileID, ULONG AttributeFlags,
-                                  ULONG AttributeMask)
-{
-	return ARC_CALL3(set_finfo, FileID, AttributeFlags, AttributeMask);
-}

arch/mips64/arc/identify.c

-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * identify.c: identify machine by looking up system identifier
- *
- * Copyright (C) 1998 Thomas Bogendoerfer
- * 
- * This code is based on arch/mips/sgi/kernel/system.c, which is
- * 
- * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
- */
-#include <linux/init.h>
-#include <linux/config.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/string.h>
-
-#include <asm/sgialib.h>
-#include <asm/bootinfo.h>
-
-struct smatch {
-	char *name;
-	int group;
-	int type;
-	int flags;
-};
-
-static struct smatch mach_table[] = {
-	{ "SGI-IP22", MACH_GROUP_SGI, MACH_SGI_INDY, PROM_FLAG_ARCS },
-	{ "SGI-IP27", MACH_GROUP_SGI, MACH_SGI_IP27, PROM_FLAG_ARCS },
-	{ "Microsoft-Jazz", MACH_GROUP_JAZZ, MACH_MIPS_MAGNUM_4000, 0 },
-	{ "PICA-61", MACH_GROUP_JAZZ, MACH_ACER_PICA_61, 0 },
-	{ "RM200PCI", MACH_GROUP_SNI_RM, MACH_SNI_RM200_PCI, 0 }
-};
-
-int prom_flags;
-
-static struct smatch * __init
-string_to_mach(const char *s)
-{
-	int i;
-    
-	for (i = 0; i < (sizeof (mach_table) / sizeof (mach_table[0])); i++) {
-		if(!strcmp(s, mach_table[i].name))
-			return &mach_table[i];
-	}
-	panic("\nYeee, could not determine architecture type <%s>", s);
-
-	return NULL;
-}
-
-void __init
-prom_identify_arch(void)
-{
-	pcomponent *p;
-	struct smatch *mach;
-	const char *iname;
-
-	/* The root component tells us what machine architecture we
-	   have here.  */
-	p = ArcGetChild(PROM_NULL_COMPONENT);
-	if (p == NULL) {
-#ifdef CONFIG_SGI_IP27
-		/* IP27 PROM bisbehaves, seems to not implement ARC
-		   GetChild().  So we just assume it's an IP27.  */
-		iname = "SGI-IP27";
-#endif
-	} else
-		iname = (char *) (long) p->iname;
-
-	printk("ARCH: %s\n", iname);
-	mach = string_to_mach(iname);
-
-	mips_machgroup = mach->group;
-	mips_machtype = mach->type;
-	prom_flags = mach->flags;
-}

arch/mips64/arc/init.c

-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * PROM library initialisation code.
- *
- * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
- */
-#include <linux/init.h>
-#include <linux/kernel.h>
-
-#include <asm/sgialib.h>
-
-#undef DEBUG_PROM_INIT
-
-/* Master romvec interface. */
-struct linux_romvec *romvec;
-PSYSTEM_PARAMETER_BLOCK sgi_pblock;
-int prom_argc;
-LONG *_prom_argv, *_prom_envp;
-unsigned short prom_vers, prom_rev;
-
-extern void prom_testtree(void);
-
-int __init
-prom_init(int argc, char **argv, char **envp)
-{
-	PSYSTEM_PARAMETER_BLOCK pb;
-
-	romvec = ROMVECTOR;
-	pb = sgi_pblock = PROMBLOCK;
-	prom_argc = argc;
-	_prom_argv = (LONG *) argv;
-	_prom_envp = (LONG *) envp;
-
-	if(pb->magic != 0x53435241) {
-		prom_printf("Aieee, bad prom vector magic %08lx\n", pb->magic);
-		while(1)
-			;
-	}
-
-	prom_init_cmdline();
-
-	prom_vers = pb->ver;
-	prom_rev = pb->rev;
-	prom_identify_arch();
-	printk("PROMLIB: ARC firmware Version %d Revision %d\n",
-		    prom_vers, prom_rev);
-	prom_meminit();
-
-#ifdef DEBUG_PROM_INIT
-	{
-		prom_printf("Press a key to reboot\n");
-		(void) prom_getchar();
-		ArcEnterInteractiveMode();
-	}
-#endif
-	return 0;
-}

arch/mips64/arc/memory.c

-/*
- * memory.c: PROM library functions for acquiring/using memory descriptors
- *           given to us from the ARCS firmware.
- *
- * Copyright (C) 1996 by David S. Miller
- * Copyright (C) 1999, 2000, 2001 by Ralf Baechle
- * Copyright (C) 1999, 2000 by Silicon Graphics, Inc.
- *
- * PROM library functions for acquiring/using memory descriptors given to us
- * from the ARCS firmware.  This is only used when CONFIG_ARC_MEMORY is set
- * because on some machines like SGI IP27 the ARC memory configuration data
- * completly bogus and alternate easier to use mechanisms are available.
- */
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <linux/bootmem.h>
-#include <linux/swap.h>
-
-#include <asm/sgialib.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
-#include <asm/bootinfo.h>
-
-#undef DEBUG
-
-struct linux_mdesc * __init
-ArcGetMemoryDescriptor(struct linux_mdesc *Current)
-{
-	return (struct linux_mdesc *) ARC_CALL1(get_mdesc, Current);
-}
-
-#ifdef DEBUG /* convenient for debugging */
-static char *arcs_mtypes[8] = {
-	"Exception Block",
-	"ARCS Romvec Page",
-	"Free/Contig RAM",
-	"Generic Free RAM",
-	"Bad Memory",
-	"Standalone Program Pages",
-	"ARCS Temp Storage Area",
-	"ARCS Permanent Storage Area"
-};
-
-static char *arc_mtypes[8] = {
-	"Exception Block",
-	"SystemParameterBlock",
-	"FreeMemory",
-	"Bad Memory",
-	"LoadedProgram",
-	"FirmwareTemporary",
-	"FirmwarePermanent",
-	"FreeContiguous"
-};
-#define mtypes(a) (prom_flags & PROM_FLAG_ARCS) ? arcs_mtypes[a.arcs] \
-						: arc_mtypes[a.arc]
-#endif
-
-static inline int memtype_classify_arcs (union linux_memtypes type)
-{
-	switch (type.arcs) {
-	case arcs_fcontig:
-	case arcs_free:
-		return BOOT_MEM_RAM;
-	case arcs_atmp:
-		return BOOT_MEM_ROM_DATA;
-	case arcs_eblock:
-	case arcs_rvpage:
-	case arcs_bmem:
-	case arcs_prog:
-	case arcs_aperm:
-		return BOOT_MEM_RESERVED;
-	default:
-		BUG();
-	}
-	while(1);				/* Nuke warning.  */
-}
-
-static inline int memtype_classify_arc (union linux_memtypes type)
-{
-	switch (type.arc) {
-	case arc_free:
-	case arc_fcontig:
-		return BOOT_MEM_RAM;
-	case arc_atmp:
-		return BOOT_MEM_ROM_DATA;
-	case arc_eblock:
-	case arc_rvpage:
-	case arc_bmem:
-	case arc_prog:
-	case arc_aperm:
-		return BOOT_MEM_RESERVED;
-	default:
-		BUG();
-	}
-	while(1);				/* Nuke warning.  */
-}
-
-static int __init prom_memtype_classify (union linux_memtypes type)
-{
-	if (prom_flags & PROM_FLAG_ARCS)	/* SGI is ``different'' ...  */
-		return memtype_classify_arcs(type);
-
-	return memtype_classify_arc(type);
-}
-
-void __init prom_meminit(void)
-{
-	struct linux_mdesc *p;
-
-#ifdef DEBUG
-	int i = 0;
-
-	prom_printf("ARCS MEMORY DESCRIPTOR dump:\n");
-	i=0;
-	prom_printf ("i=%d\n", i);
-	p = ArcGetMemoryDescriptor(PROM_NULL_MDESC);
-	prom_printf ("i=%d\n", i);
-	while(p) {
-		prom_printf("[%d,%p]: base<%08lx> pages<%08lx> type<%s>\n",
-			    i, p, p->base, p->pages, mtypes(p->type));
-		p = ArcGetMemoryDescriptor(p);
-		i++;
-	}
-#endif
-
-	p = PROM_NULL_MDESC;
-	while ((p = ArcGetMemoryDescriptor(p))) {
-		unsigned long base, size;
-		long type;
-
-		base = p->base << PAGE_SHIFT;
-		size = p->pages << PAGE_SHIFT;
-		type = prom_memtype_classify(p->type);
-
-		add_memory_region(base, size, type);
-	}
-}
-
-void __init prom_free_prom_memory (void)
-{
-	unsigned long freed = 0;
-	unsigned long addr;
-	int i;
-
-	for (i = 0; i < boot_mem_map.nr_map; i++) {
-		if (boot_mem_map.map[i].type != BOOT_MEM_ROM_DATA)
-			continue;
-
-		addr = boot_mem_map.map[i].addr;
-		while (addr < boot_mem_map.map[i].addr
-			      + boot_mem_map.map[i].size) {
-			ClearPageReserved(virt_to_page(__va(addr)));
-			set_page_count(virt_to_page(__va(addr)), 1);
-			free_page((unsigned long)__va(addr));
-			addr += PAGE_SIZE;
-			freed += PAGE_SIZE;
-		}
-	}
-	printk(KERN_INFO "Freeing prom memory: %ldkb freed\n", freed >> 10);
-}

arch/mips64/arc/misc.c

-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Miscellaneous ARCS PROM routines.
- *
- * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
- * Copyright (C) 1999 Ralf Baechle (ralf@gnu.org)
- * Copyright (C) 1999 Silicon Graphics, Inc.
- */
-#include <linux/config.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-
-#include <asm/bcache.h>
-
-#include <asm/arc/types.h>
-#include <asm/sgialib.h>
-#include <asm/bootinfo.h>
-#include <asm/system.h>
-
-extern unsigned long mips_cputype;
-extern void *sgiwd93_host;
-extern void reset_wd33c93(void *instance);
-
-VOID
-ArcHalt(VOID)
-{
-	bc_disable();
-	cli();
-#ifdef CONFIG_SCSI_SGIWD93
-	reset_wd33c93(sgiwd93_host);
-#endif
-	ARC_CALL0(halt);
-never:	goto never;
-}
-
-VOID
-ArcPowerDown(VOID)
-{
-	bc_disable();
-	cli();
-#ifdef CONFIG_SCSI_SGIWD93
-	reset_wd33c93(sgiwd93_host);
-#endif
-	ARC_CALL0(pdown);
-never:	goto never;
-}
-
-/* XXX is this a soft reset basically? XXX */
-VOID
-ArcRestart(VOID)
-{
-	bc_disable();
-	cli();
-#ifdef CONFIG_SCSI_SGIWD93
-	reset_wd33c93(sgiwd93_host);
-#endif
-	ARC_CALL0(restart);
-never:	goto never;
-}
-
-VOID
-ArcReboot(VOID)
-{
-	bc_disable();
-	cli();
-#ifdef CONFIG_SCSI_SGIWD93
-	reset_wd33c93(sgiwd93_host);
-#endif
-	ARC_CALL0(reboot);
-never:	goto never;
-}
-
-VOID
-ArcEnterInteractiveMode(VOID)
-{
-	bc_disable();
-	cli();
-#ifdef CONFIG_SCSI_SGIWD93
-	reset_wd33c93(sgiwd93_host);
-#endif
-	ARC_CALL0(imode);
-never:	goto never;
-}
-
-LONG
-ArcSaveConfiguration(VOID)
-{
-	return ARC_CALL0(cfg_save);
-}
-
-struct linux_sysid *
-ArcGetSystemId(VOID)
-{
-	return (struct linux_sysid *) ARC_CALL0(get_sysid);
-}
-
-VOID __init
-ArcFlushAllCaches(VOID)
-{
-	ARC_CALL0(cache_flush);
-}

arch/mips64/arc/salone.c

-/*
- * Routines to load into memory and execute stand-along program images using
- * ARCS PROM firmware.
- *
- * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
- */
-#include <linux/init.h>
-#include <asm/sgialib.h>
-
-LONG __init
-ArcLoad(CHAR *Path, ULONG TopAddr, ULONG *ExecAddr, ULONG *LowAddr)
-{
-	return ARC_CALL4(load, Path, TopAddr, ExecAddr, LowAddr);
-}
-
-LONG __init
-ArcInvoke(ULONG ExecAddr, ULONG StackAddr, ULONG Argc, CHAR *Argv[],
-          CHAR *Envp[])
-{
-	return ARC_CALL5(invoke, ExecAddr, StackAddr, Argc, Argv, Envp);
-}
-
-LONG __init
-ArcExecute(CHAR *Path, LONG Argc, CHAR *Argv[], CHAR *Envp[])
-{
-	return ARC_CALL4(exec, Path, Argc, Argv, Envp);
-}

arch/mips64/arc/time.c

-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Extracting time information from ARCS prom.
- *
- * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
- */
-#include <linux/init.h>
-
-#include <asm/arc/types.h>
-#include <asm/sgialib.h>
-
-struct linux_tinfo * __init
-ArcGetTime(VOID)
-{
-	return (struct linux_tinfo *) ARC_CALL0(get_tinfo);
-}
-
-ULONG __init
-ArcGetRelativeTime(VOID)
-{
-	return ARC_CALL0(get_rtime);
-}

arch/mips64/arc/tree.c

-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * PROM component device tree code.
- *
- * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
- * Copyright (C) 1999 Ralf Baechle (ralf@gnu.org)
- * Copyright (C) 1999 Silicon Graphics, Inc.
- */
-#include <linux/init.h>
-#include <asm/arc/types.h>
-#include <asm/sgialib.h>
-
-#undef DEBUG_PROM_TREE
-
-pcomponent * __init
-ArcGetPeer(pcomponent *Current)
-{
-	if (Current == PROM_NULL_COMPONENT)
-		return PROM_NULL_COMPONENT;
-
-	return (pcomponent *) ARC_CALL1(next_component, Current);
-}
-
-pcomponent * __init
-ArcGetChild(pcomponent *Current)
-{
-	return (pcomponent *) ARC_CALL1(child_component, Current);
-}
-
-pcomponent * __init
-ArcGetParent(pcomponent *Current)
-{
-	if (Current == PROM_NULL_COMPONENT)
-		return PROM_NULL_COMPONENT;
-
-	return (pcomponent *) ARC_CALL1(parent_component, Current);
-}
-
-LONG __init
-ArcGetConfigurationData(VOID *Buffer, pcomponent *Current)
-{
-	return ARC_CALL2(component_data, Buffer, Current);
-}
-
-pcomponent * __init
-ArcAddChild(pcomponent *Current, pcomponent *Template, VOID *ConfigurationData)
-{
-	return (pcomponent *)
-	       ARC_CALL3(child_add, Current, Template, ConfigurationData);
-}
-
-LONG __init
-ArcDeleteComponent(pcomponent *ComponentToDelete)
-{
-	return ARC_CALL1(comp_del, ComponentToDelete);
-}
-
-pcomponent * __init
-ArcGetComponent(CHAR *Path)
-{
-	return (pcomponent *)ARC_CALL1(component_by_path, Path);
-}
-
-#ifdef DEBUG_PROM_TREE
-
-static char *classes[] = {
-	"system", "processor", "cache", "adapter", "controller", "peripheral",
-	"memory"
-};
-
-static char *types[] = {
-	"arc", "cpu", "fpu", "picache", "pdcache", "sicache", "sdcache",
-	"sccache", "memdev", "eisa adapter", "tc adapter", "scsi adapter",
-	"dti adapter", "multi-func adapter", "disk controller",
-	"tp controller", "cdrom controller", "worm controller",
-	"serial controller", "net controller", "display controller",
-	"parallel controller", "pointer controller", "keyboard controller",
-	"audio controller", "misc controller", "disk peripheral",
-	"floppy peripheral", "tp peripheral", "modem peripheral",
-	"monitor peripheral", "printer peripheral", "pointer peripheral",
-	"keyboard peripheral", "terminal peripheral", "line peripheral",
-	"net peripheral", "misc peripheral", "anonymous"
-};
-
-static char *iflags[] = {
-	"bogus", "read only", "removable", "console in", "console out",
-	"input", "output"
-};
-
-static void __init
-dump_component(pcomponent *p)
-{
-	prom_printf("[%p]:class<%s>type<%s>flags<%s>ver<%d>rev<%d>",
-		    p, classes[p->class], types[p->type],
-		    iflags[p->iflags], p->vers, p->rev);
-	prom_printf("key<%08lx>\n\tamask<%08lx>cdsize<%d>ilen<%d>iname<%s>\n",
-		    p->key, p->amask, (int)p->cdsize, (int)p->ilen, p->iname);
-}
-
-static void __init
-traverse(pcomponent *p, int op)
-{
-	dump_component(p);
-	if(ArcGetChild(p))
-		traverse(ArcGetChild(p), 1);
-	if(ArcGetPeer(p) && op)
-		traverse(ArcGetPeer(p), 1);
-}
-
-void __init
-prom_testtree(void)
-{
-	pcomponent *p;
-
-	p = ArcGetChild(PROM_NULL_COMPONENT);
-	dump_component(p);
-	p = ArcGetChild(p);
-	while(p) {
-		dump_component(p);
-		p = ArcGetPeer(p);
-	}
-}
-
-#endif /* DEBUG_PROM_TREE  */

include/asm-mips/sgialib.h

 /*
- * sgialib.h: SGI ARCS firmware interface library for the Linux kernel.
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * SGI ARCS firmware interface library for the Linux kernel.
  *
  * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
+ * Copyright (C) 2001, 2002 Ralf Baechle (ralf@gnu.org)
  */
 #ifndef _ASM_SGIALIB_H
 #define _ASM_SGIALIB_H
 
 #include <asm/sgiarcs.h>
 
-extern struct linux_promblock *sgi_pblock;
 extern struct linux_romvec *romvec;
 extern int prom_argc;
-extern char **prom_argv, **prom_envp;
+
+extern LONG *_prom_argv, *_prom_envp;
+
+/* A 32-bit ARC PROM pass arguments and environment as 32-bit pointer.
+   These macros take care of sign extension.  */
+#define prom_argv(index) ((char *) (long) _prom_argv[(index)])
+#define prom_argc(index) ((char *) (long) _prom_argc[(index)])
 
 extern int prom_flags;
 #define PROM_FLAG_ARCS			1
+#define PROM_FLAG_USE_AS_CONSOLE	2
 
-/*
- * Init the PROM library and it's internal data structures.  Called
- * at boot time from head.S before start_kernel is invoked.
- */
+/* Init the PROM library and it's internal data structures. */
 extern void prom_init(int argc, char **argv, char **envp, int *prom_vec);
 
 /* Simple char-by-char console I/O. */
@@ -29,21 +37,34 @@ extern char prom_getchar(void);
 /* Generic printf() using ARCS console I/O. */
 extern void prom_printf(char *fmt, ...);
 
+/* Memory descriptor management. */
+#define PROM_MAX_PMEMBLOCKS    32
+struct prom_pmemblock {
+	LONG	base;		/* Within KSEG0 or XKPHYS. */
+	ULONG size;		/* In bytes. */
+	ULONG type;		/* free or prom memory */
+};
+
+/* Get next memory descriptor after CURR, returns first descriptor
+ * in chain is CURR is NULL.
+ */
+extern struct linux_mdesc *prom_getmdesc(struct linux_mdesc *curr);
 #define PROM_NULL_MDESC   ((struct linux_mdesc *) 0)
 
 /* Called by prom_init to setup the physical memory pmemblock
  * array.
  */
 extern void prom_meminit(void);
+extern void prom_fixup_mem_map(unsigned long start_mem, unsigned long end_mem);
 
 /* PROM device tree library routines. */
 #define PROM_NULL_COMPONENT ((pcomponent *) 0)
 
 /* Get sibling component of THIS. */
-extern pcomponent *prom_getsibling(pcomponent *this);
+extern pcomponent *ArcGetPeer(pcomponent *this);
 
 /* Get child component of THIS. */
-extern pcomponent *prom_getchild(pcomponent *this);
+extern pcomponent *ArcGetChild(pcomponent *this);
 
 /* Get parent component of CHILD. */
 extern pcomponent *prom_getparent(pcomponent *child);
@@ -65,7 +86,7 @@ extern pcomponent *prom_componentbypath(char *path);
 extern void prom_identify_arch(void);
 
 /* Environment variable routines. */
-extern PCHAR ArcGetEnvironmentVariable(CHAR *name);
+extern PCHAR ArcGetEnvironmentVariable(PCHAR name);
 extern LONG ArcSetEnvironmentVariable(PCHAR name, PCHAR value);
 
 /* ARCS command line acquisition and parsing. */
@@ -80,9 +101,9 @@ extern unsigned long prom_getrtime(void);
 extern long prom_getvdirent(unsigned long fd, struct linux_vdirent *ent, unsigned long num, unsigned long *cnt);
 extern long prom_open(char *name, enum linux_omode md, unsigned long *fd);
 extern long prom_close(unsigned long fd);
-extern long prom_read(unsigned long fd, void *buf, unsigned long num, unsigned long *cnt);
+extern LONG ArcRead(ULONG fd, PVOID buf, ULONG num, PULONG cnt);
 extern long prom_getrstatus(unsigned long fd);
-extern long prom_write(unsigned long fd, void *buf, unsigned long num, unsigned long *cnt);
+extern LONG ArcWrite(ULONG fd, PVOID buf, ULONG num, PULONG cnt);
 extern long prom_seek(unsigned long fd, struct linux_bigint *off, enum linux_seekmode sm);
 extern long prom_mount(char *name, enum linux_mountops op);
 extern long prom_getfinfo(unsigned long fd, struct linux_finfo *buf);
@@ -94,13 +115,13 @@ extern long prom_invoke(unsigned long pc, unsigned long sp, long argc, char **ar
 extern long prom_exec(char *name, long argc, char **argv, char **envp);
 
 /* Misc. routines. */
-extern void prom_halt(void) __attribute__((noreturn));
-extern void prom_powerdown(void) __attribute__((noreturn));
-extern void prom_restart(void) __attribute__((noreturn));
-extern void prom_reboot(void) __attribute__((noreturn));
-extern void ArcEnterInteractiveMode(void) __attribute__((noreturn));
-extern long prom_cfgsave(void);
-extern struct linux_sysid *prom_getsysid(void);
-extern void prom_cacheflush(void);
+extern VOID prom_halt(VOID) __attribute__((noreturn));
+extern VOID prom_powerdown(VOID) __attribute__((noreturn));
+extern VOID prom_restart(VOID) __attribute__((noreturn));
+extern VOID ArcReboot(VOID) __attribute__((noreturn));
+extern VOID ArcEnterInteractiveMode(VOID) __attribute__((noreturn));
+extern long prom_cfgsave(VOID);
+extern struct linux_sysid *prom_getsysid(VOID);
+extern VOID ArcFlushAllCaches(VOID);
 
 #endif /* _ASM_SGIALIB_H */

include/asm-mips/sgiarcs.h

-/* $Id: sgiarcs.h,v 1.3 1999/02/25 20:55:08 tsbogend Exp $
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
  *
- * SGI ARCS firmware interface defines.
+ * ARC firmware interface defines.
  *
  * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
+ * Copyright (C) 1999, 2001 Ralf Baechle (ralf@gnu.org)
+ * Copyright (C) 1999 Silicon Graphics, Inc.
  */
 #ifndef _ASM_SGIARCS_H
 #define _ASM_SGIARCS_H
 
+#include <linux/config.h>
+#include <asm/types.h>
 #include <asm/arc/types.h>
 
 /* Various ARCS error codes. */
@@ -74,13 +81,13 @@ struct linux_component {
 	enum linux_devclass     class;	/* node class */
 	enum linux_devtypes     type;	/* node type */
 	enum linux_identifier   iflags;	/* node flags */
-	unsigned short          vers;    /* node version */
-	unsigned short          rev;     /* node revision */
-	unsigned long           key;     /* completely magic */
-	unsigned long           amask;   /* XXX affinity mask??? */
-	unsigned long           cdsize;  /* size of configuration data */
-	unsigned long           ilen;    /* length of string identifier */
-	char                   *iname;   /* string identifier */
+	USHORT 			vers;	/* node version */
+	USHORT 			rev;	/* node revision */
+	ULONG 			key;	/* completely magic */
+	ULONG 			amask;	/* XXX affinity mask??? */
+	ULONG			cdsize;	/* size of configuration data */
+	ULONG			ilen;	/* length of string identifier */
+	_PULONG			iname;	/* string identifier */
 };
 typedef struct linux_component pcomponent;
 
@@ -119,8 +126,8 @@ union linux_memtypes {
 
 struct linux_mdesc {
 	union linux_memtypes type;
-	unsigned long base;
-	unsigned long pages;
+	ULONG base;
+	ULONG pages;
 };
 
 /* Time of day descriptor. */
@@ -136,7 +143,7 @@ struct linux_tinfo {
 
 /* ARCS virtual dirents. */
 struct linux_vdirent {
-	unsigned long namelen;
+	ULONG namelen;
 	unsigned char attr;
 	char fname[32]; /* XXX imperical, should be a define */
 };
@@ -158,11 +165,11 @@ enum linux_mountops {
 /* This prom has a bolixed design. */
 struct linux_bigint {
 #ifdef __MIPSEL__
-	unsigned long lo;
-	long hi;
+	u32 lo;
+	s32 hi;
 #else /* !(__MIPSEL__) */
-	long hi;
-	unsigned long lo;
+	s32 hi;
+	u32 lo;
 #endif
 };
 
@@ -176,104 +183,91 @@ struct linux_finfo {
 	char                  name[32]; /* XXX imperical, should be define */
 };
 
+/* This describes the vector containing function pointers to the ARC
+   firmware functions.  */
 struct linux_romvec {
-	/* Load an executable image. */
-	long (*load)(char *file, unsigned long end,
-		     unsigned long *start_pc,
-		     unsigned long *end_addr);
-
-	/* Invoke a standalong image. */
-	long (*invoke)(unsigned long startpc, unsigned long sp,
-		       long argc, char **argv, char **envp);
-
-	/* Load and begin execution of a standalong image. */
-	long (*exec)(char *file, long argc, char **argv, char **envp);
-
-	void (*halt)(void) __attribute__((noreturn)); 	/* Halt the machine. */
-	void (*pdown)(void) __attribute__((noreturn));    /* Power down the machine. */
-	void (*restart)(void) __attribute__((noreturn));  /* XXX soft reset??? */
-	void (*reboot)(void) __attribute__((noreturn));   /* Reboot the machine. */
-	void (*imode)(void) __attribute__((noreturn));    /* Enter PROM interactive mode. */
-	int _unused1; /* padding */
+	LONG	load;			/* Load an executable image. */
+	LONG	invoke;			/* Invoke a standalong image. */
+	LONG	exec;			/* Load and begin execution of a
+					   standalone image. */
+	LONG	halt;			/* Halt the machine. */
+	LONG	pdown;			/* Power down the machine. */
+	LONG	restart;		/* XXX soft reset??? */
+	LONG	reboot;			/* Reboot the machine. */
+	LONG	imode;			/* Enter PROM interactive mode. */
+	LONG	_unused1;		/* Was ReturnFromMain(). */
 
 	/* PROM device tree interface. */
-	pcomponent *(*next_component)(pcomponent *this);
-	pcomponent *(*child_component)(pcomponent *this);
-	pcomponent *(*parent_component)(pcomponent *this);
-	long (*component_data)(void *opaque_data, pcomponent *this);
-	pcomponent *(*child_add)(pcomponent *this,
-				 pcomponent *tmp,
-				 void *opaque_data);
-	long (*comp_del)(pcomponent *this);
-	pcomponent *(*component_by_path)(char *file);
+	LONG	next_component;
+	LONG	child_component;
+	LONG	parent_component;
+	LONG	component_data;
+	LONG	child_add;
+	LONG	comp_del;
+	LONG	component_by_path;
 
 	/* Misc. stuff. */
-	long (*cfg_save)(void);
-	struct linux_sysid *(*get_sysid)(void);
+	LONG	cfg_save;
+	LONG	get_sysid;
 
 	/* Probing for memory. */
-	struct linux_mdesc *(*get_mdesc)(struct linux_mdesc *curr);
-	long _unused2; /* padding */
+	LONG	get_mdesc;
+	LONG	_unused2;		/* was Signal() */
 
-	struct linux_tinfo *(*get_tinfo)(void);
-	unsigned long (*get_rtime)(void);
+	LONG	get_tinfo;
+	LONG	get_rtime;
 
 	/* File type operations. */
-	long (*get_vdirent)(unsigned long fd, struct linux_vdirent *entry,
-			    unsigned long num, unsigned long *count);
-	long (*open)(char *file, enum linux_omode mode, unsigned long *fd);
-	long (*close)(unsigned long fd);
-	long (*read)(unsigned long fd, void *buffer, unsigned long num,
-		     unsigned long *count);
-	long (*get_rstatus)(unsigned long fd);
-	long (*write)(unsigned long fd, void *buffer, unsigned long num,
-		      unsigned long *count);
-	long (*seek)(unsigned long fd, struct linux_bigint *offset,
-		     enum linux_seekmode smode);
-	long (*mount)(char *file, enum linux_mountops op);
+	LONG	get_vdirent;
+	LONG	open;
+	LONG	close;
+	LONG	read;
+	LONG	get_rstatus;
+	LONG	write;
+	LONG	seek;
+	LONG	mount;
 
 	/* Dealing with firmware environment variables. */
-	PCHAR (*get_evar)(CHAR *name);
-	LONG (*set_evar)(PCHAR name, PCHAR value);
+	LONG	get_evar;
+	LONG	set_evar;
 
-	long (*get_finfo)(unsigned long fd, struct linux_finfo *buf);
-	long (*set_finfo)(unsigned long fd, unsigned long flags,
-			  unsigned long mask);
+	LONG	get_finfo;
+	LONG	set_finfo;
 
 	/* Miscellaneous. */
-	void (*cache_flush)(void);
+	LONG	cache_flush;
 };
 
 /* The SGI ARCS parameter block is in a fixed location for standalone
  * programs to access PROM facilities easily.
  */
-struct linux_promblock {
-	long                 magic;       /* magic cookie */
+typedef struct _SYSTEM_PARAMETER_BLOCK {
+	ULONG			magic;		/* magic cookie */
 #define PROMBLOCK_MAGIC      0x53435241
 
-	unsigned long        len;          /* length of parm block */
-	unsigned short       ver;          /* ARCS firmware version */
-	unsigned short       rev;          /* ARCS firmware revision */
-	long                *rs_block;     /* Restart block. */
-	long                *dbg_block;    /* Debug block. */
-	long                *gevect;       /* XXX General vector??? */
-	long                *utlbvect;     /* XXX UTLB vector??? */
-	unsigned long        rveclen;      /* Size of romvec struct. */
-	struct linux_romvec *romvec;       /* Function interface. */
-	unsigned long        pveclen;      /* Length of private vector. */
-	long                *pvector;      /* Private vector. */
-	long                 adap_cnt;     /* Adapter count. */
-	long                 adap_typ0;    /* First adapter type. */
-	long                 adap_vcnt0;   /* Adapter 0 vector count. */
-	long                *adap_vector;  /* Adapter 0 vector ptr. */
-	long                 adap_typ1;    /* Second adapter type. */
-	long                 adap_vcnt1;   /* Adapter 1 vector count. */
-	long                *adap_vector1; /* Adapter 1 vector ptr. */
+	ULONG			len;		/* length of parm block */
+	USHORT			ver;		/* ARCS firmware version */
+	USHORT			rev;		/* ARCS firmware revision */
+	_PLONG			rs_block;	/* Restart block. */
+	_PLONG			dbg_block;	/* Debug block. */
+	_PLONG			gevect;		/* XXX General vector??? */
+	_PLONG			utlbvect;	/* XXX UTLB vector??? */
+	ULONG			rveclen;	/* Size of romvec struct. */
+	_PVOID			romvec;		/* Function interface. */
+	ULONG			pveclen;	/* Length of private vector. */
+	_PVOID			pvector;	/* Private vector. */
+	ULONG			adap_cnt;	/* Adapter count. */
+	ULONG			adap_typ0;	/* First adapter type. */
+	ULONG			adap_vcnt0;	/* Adapter 0 vector count. */
+	_PVOID			adap_vector;	/* Adapter 0 vector ptr. */
+	ULONG			adap_typ1;	/* Second adapter type. */
+	ULONG			adap_vcnt1;	/* Adapter 1 vector count. */
+	_PVOID			adap_vector1;	/* Adapter 1 vector ptr. */
 	/* More adapter vectors go here... */
-};
+} SYSTEM_PARAMETER_BLOCK, *PSYSTEM_PARAMETER_BLOCK;
 
-#define PROMBLOCK ((struct linux_promblock *)0xA0001000UL)
-#define ROMVECTOR ((PROMBLOCK)->romvec)
+#define PROMBLOCK ((PSYSTEM_PARAMETER_BLOCK) (int)0xA0001000)
+#define ROMVECTOR ((struct linux_romvec *) (long)(PROMBLOCK)->romvec)
 
 /* Cache layout parameter block. */
 union linux_cache_key {
@@ -367,4 +361,187 @@ struct linux_smonblock {
 	int             smax;              /* Max # of symbols. */
 };
 
+/*
+ * Macros for calling a 32-bit ARC implementation from 64-bit code
+ */
+
+#if defined(CONFIG_MIPS64) && defined(CONFIG_ARC32)
+
+#define __arc_clobbers							\
+	"$2","$3" /* ... */, "$8","$9","$10","$11",			\
+	"$12","$13","$14","$15","$16","$24","25","$31"
+
+#define ARC_CALL0(dest)							\
+({	long __res;							\
+	long __vec = (long) romvec->dest;				\
+	__asm__ __volatile__(						\
+	"dsubu\t$29, 32\n\t"						\
+	"jalr\t%1\n\t"							\
+	"daddu\t$29, 32\n\t"						\
+	"move\t%0, $2"							\
+	: "=r" (__res), "=r" (__vec)					\
+	: "1" (__vec)							\
+	: __arc_clobbers, "$4","$5","$6","$7");				\
+	(unsigned long) __res;						\
+})
+
+#define ARC_CALL1(dest,a1)						\
+({	long __res;							\
+	register signed int __a1 __asm__("$4") = (int) (long) (a1);	\
+	long __vec = (long) romvec->dest;				\
+	__asm__ __volatile__(						\
+	"dsubu\t$29, 32\n\t"						\
+	"jalr\t%1\n\t"							\
+	"daddu\t$29, 32\n\t"						\
+	"move\t%0, $2"							\
+	: "=r" (__res), "=r" (__vec)					\
+	: "1" (__vec), "r" (__a1)					\
+	: __arc_clobbers, "$5","$6","$7");				\
+	(unsigned long) __res;						\
+})
+
+#define ARC_CALL2(dest,a1,a2)						\
+({	long __res;							\
+	register signed int __a1 __asm__("$4") = (int) (long) (a1);	\
+	register signed int __a2 __asm__("$5") = (int) (long) (a2);	\
+	long __vec = (long) romvec->dest;				\
+	__asm__ __volatile__(						\
+	"dsubu\t$29, 32\n\t"						\
+	"jalr\t%1\n\t"							\
+	"daddu\t$29, 32\n\t"						\
+	"move\t%0, $2"							\
+	: "=r" (__res), "=r" (__vec)					\
+	: "1" (__vec), "r" (__a1), "r" (__a2)				\
+	: __arc_clobbers, "$6","$7");					\
+	__res;								\
+})
+
+#define ARC_CALL3(dest,a1,a2,a3)					\
+({	long __res;							\
+	register signed int __a1 __asm__("$4") = (int) (long) (a1);	\
+	register signed int __a2 __asm__("$5") = (int) (long) (a2);	\
+	register signed int __a3 __asm__("$6") = (int) (long) (a3);	\
+	long __vec = (long) romvec->dest;				\
+	__asm__ __volatile__(						\
+	"dsubu\t$29, 32\n\t"						\
+	"jalr\t%1\n\t"							\
+	"daddu\t$29, 32\n\t"						\
+	"move\t%0, $2"							\
+	: "=r" (__res), "=r" (__vec)					\
+	: "1" (__vec), "r" (__a1), "r" (__a2), "r" (__a3)		\
+	: __arc_clobbers, "$7");					\
+	__res;								\
+})
+
+#define ARC_CALL4(dest,a1,a2,a3,a4)					\
+({	long __res;							\
+	register signed int __a1 __asm__("$4") = (int) (long) (a1);	\
+	register signed int __a2 __asm__("$5") = (int) (long) (a2);	\
+	register signed int __a3 __asm__("$6") = (int) (long) (a3);	\
+	register signed int __a4 __asm__("$7") = (int) (long) (a4);	\
+	long __vec = (long) romvec->dest;				\
+	__asm__ __volatile__(						\
+	"dsubu\t$29, 32\n\t"						\
+	"jalr\t%1\n\t"							\
+	"daddu\t$29, 32\n\t"						\
+	"move\t%0, $2"							\
+	: "=r" (__res), "=r" (__vec)					\
+	: "1" (__vec), "r" (__a1), "r" (__a2), "r" (__a3), 		\
+	  "r" (__a4)							\
+	: __arc_clobbers);						\
+	__res;								\
+})
+
+#define ARC_CALL5(dest,a1,a2,a3,a4,a5)					\
+({	long __res;							\
+	register signed int __a1 __asm__("$4") = (int) (long) (a1);	\
+	register signed int __a2 __asm__("$5") = (int) (long) (a2);	\
+	register signed int __a3 __asm__("$6") = (int) (long) (a3);	\
+	register signed int __a4 __asm__("$7") = (int) (long) (a4);	\
+	register signed int __a5 = (a5);				\
+	long __vec = (long) romvec->dest;				\
+	__asm__ __volatile__(						\
+	"dsubu\t$29, 32\n\t"						\
+	"sw\t%6, 16($29)\n\t"						\
+	"jalr\t%1\n\t"							\
+	"daddu\t$29, 32\n\t"						\
+	"move\t%0, $2"							\
+	: "=r" (__res), "=r" (__vec)					\
+	: "1" (__vec),							\
+	  "r" (__a1), "r" (__a2), "r" (__a3), "r" (__a4),		\
+	  "r" (__a5)							\
+	: __arc_clobbers);						\
+	__res;								\
+})
+
+#endif /* defined(CONFIG_MIPS64) && defined(CONFIG_ARC32) */
+
+#if (defined(CONFIG_MIPS32) && defined(CONFIG_ARC32)) ||		\
+    (defined(CONFIG_MIPS64) && defined(CONFIG_ARC64))
+
+#define ARC_CALL0(dest)							\
+({	long __res;							\
+	long (*__vec)(void) = (void *) romvec->dest;			\
+									\
+	__res = __vec();						\
+	__res;								\
+})
+
+#define ARC_CALL1(dest,a1)						\
+({	long __res;							\
+	long __a1 = (long) (a1);					\
+	long (*__vec)(long) = (void *) romvec->dest;			\
+									\
+	__res = __vec(__a1);						\
+	__res;								\
+})
+
+#define ARC_CALL2(dest,a1,a2)						\
+({	long __res;							\
+	long __a1 = (long) (a1);					\
+	long __a2 = (long) (a2);					\
+	long (*__vec)(long, long) = (void *) romvec->dest;		\
+									\
+	__res = __vec(__a1, __a2);					\
+	__res;								\
+})
+
+#define ARC_CALL3(dest,a1,a2,a3)					\
+({	long __res;							\
+	long __a1 = (long) (a1);					\
+	long __a2 = (long) (a2);					\
+	long __a3 = (long) (a3);					\
+	long (*__vec)(long, long, long)	= (void *) romvec->dest;	\
+									\
+	__res = __vec(__a1, __a2, __a3);				\
+	__res;								\
+})
+
+#define ARC_CALL4(dest,a1,a2,a3,a4)					\
+({	long __res;							\
+	long __a1 = (long) (a1);					\
+	long __a2 = (long) (a2);					\
+	long __a3 = (long) (a3);					\
+	long __a4 = (long) (a4);					\
+	long (*__vec)(long, long, long, long) = (void *) romvec->dest;	\
+									\
+	__res = __vec(__a1, __a2, __a3, __a4);				\
+	__res;								\
+})
+
+#define ARC_CALL5(dest,a1,a2,a3,a4,a5)					\
+({	long __res;							\
+	long __a1 = (long) (a1);					\
+	long __a2 = (long) (a2);					\
+	long __a3 = (long) (a3);					\
+	long __a4 = (long) (a4);					\
+	long __a5 = (long) (a5);					\
+	long (*__vec)(long, long, long, long, long);			\
+	__vec = (void *) romvec->dest;					\
+									\
+	__res = __vec(__a1, __a2, __a3, __a4, __a5);			\
+	__res;								\
+})
+#endif /* both kernel and ARC either 32-bit or 64-bit */
+
 #endif /* _ASM_SGIARCS_H */

include/asm-mips64/sgialib.h

@@ -6,7 +6,7 @@
  * SGI ARCS firmware interface library for the Linux kernel.
  *
  * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
- * Copyright (C) 2001 Ralf Baechle (ralf@gnu.org)
+ * Copyright (C) 2001, 2002 Ralf Baechle (ralf@gnu.org)
  */
 #ifndef _ASM_SGIALIB_H
 #define _ASM_SGIALIB_H
@@ -25,11 +25,10 @@ extern LONG *_prom_argv, *_prom_envp;
 
 extern int prom_flags;
 #define PROM_FLAG_ARCS			1
+#define PROM_FLAG_USE_AS_CONSOLE	2
 
-/* Init the PROM library and it's internal data structures.  Called
- * at boot time from head.S before start_kernel is invoked.
- */
-extern int prom_init(int argc, char **argv, char **envp);
+/* Init the PROM library and it's internal data structures. */
+extern void prom_init(int argc, char **argv, char **envp, int *prom_vec);
 
 /* Simple char-by-char console I/O. */
 extern void prom_putchar(char c);
@@ -58,9 +57,6 @@ extern struct linux_mdesc *prom_getmdesc(struct linux_mdesc *curr);
 extern void prom_meminit(void);
 extern void prom_fixup_mem_map(unsigned long start_mem, unsigned long end_mem);
 
-/* Returns pointer to PROM physical memory block array. */
-extern struct prom_pmemblock *prom_getpblock_array(void);
-
 /* PROM device tree library routines. */
 #define PROM_NULL_COMPONENT ((pcomponent *) 0)
 

include/asm-mips64/sgiarcs.h

@@ -6,13 +6,14 @@
  * ARC firmware interface defines.
  *
  * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
- * Copyright (C) 1999 Ralf Baechle (ralf@gnu.org)
+ * Copyright (C) 1999, 2001 Ralf Baechle (ralf@gnu.org)
  * Copyright (C) 1999 Silicon Graphics, Inc.
  */
 #ifndef _ASM_SGIARCS_H
 #define _ASM_SGIARCS_H
 
 #include <linux/config.h>
+#include <asm/types.h>
 #include <asm/arc/types.h>
 
 /* Various ARCS error codes. */
@@ -164,11 +165,11 @@ enum linux_mountops {
 /* This prom has a bolixed design. */
 struct linux_bigint {
 #ifdef __MIPSEL__
-	unsigned long lo;
-	long hi;
+	u32 lo;
+	s32 hi;
 #else /* !(__MIPSEL__) */
-	long hi;
-	unsigned long lo;
+	s32 hi;
+	u32 lo;
 #endif
 };
 
@@ -364,9 +365,10 @@ struct linux_smonblock {
  * Macros for calling a 32-bit ARC implementation from 64-bit code
  */
 
-#ifdef CONFIG_ARC32
+#if defined(CONFIG_MIPS64) && defined(CONFIG_ARC32)
+
 #define __arc_clobbers							\
-	"$2","$3","$4","$5","$6","$7","$8","$9","$10","$11",		\
+	"$2","$3" /* ... */, "$8","$9","$10","$11",			\
 	"$12","$13","$14","$15","$16","$24","25","$31"
 
 #define ARC_CALL0(dest)							\
@@ -379,7 +381,7 @@ struct linux_smonblock {
 	"move\t%0, $2"							\
 	: "=r" (__res), "=r" (__vec)					\
 	: "1" (__vec)							\
-	: __arc_clobbers);						\
+	: __arc_clobbers, "$4","$5","$6","$7");				\
 	(unsigned long) __res;						\
 })
 
@@ -394,7 +396,7 @@ struct linux_smonblock {
 	"move\t%0, $2"							\
 	: "=r" (__res), "=r" (__vec)					\
 	: "1" (__vec), "r" (__a1)					\
-	: __arc_clobbers);						\
+	: __arc_clobbers, "$5","$6","$7");				\
 	(unsigned long) __res;						\
 })
 
@@ -410,7 +412,7 @@ struct linux_smonblock {
 	"move\t%0, $2"							\
 	: "=r" (__res), "=r" (__vec)					\
 	: "1" (__vec), "r" (__a1), "r" (__a2)				\
-	: __arc_clobbers);						\
+	: __arc_clobbers, "$6","$7");					\
 	__res;								\
 })
 
@@ -427,7 +429,7 @@ struct linux_smonblock {
 	"move\t%0, $2"							\
 	: "=r" (__res), "=r" (__vec)					\
 	: "1" (__vec), "r" (__a1), "r" (__a2), "r" (__a3)		\
-	: __arc_clobbers);						\
+	: __arc_clobbers, "$7");					\
 	__res;								\
 })
 
@@ -471,9 +473,11 @@ struct linux_smonblock {
 	: __arc_clobbers);						\
 	__res;								\
 })
-#endif /* CONFIG_ARC32 */
 
-#ifdef CONFIG_ARC64
+#endif /* defined(CONFIG_MIPS64) && defined(CONFIG_ARC32) */
+
+#if (defined(CONFIG_MIPS32) && defined(CONFIG_ARC32)) ||		\
+    (defined(CONFIG_MIPS64) && defined(CONFIG_ARC64))
 
 #define ARC_CALL0(dest)							\
 ({	long __res;							\
@@ -538,6 +542,6 @@ struct linux_smonblock {
 	__res = __vec(__a1, __a2, __a3, __a4, __a5);			\
 	__res;								\
 })
-#endif /* CONFIG_ARC64 */
+#endif /* both kernel and ARC either 32-bit or 64-bit */
 
 #endif /* _ASM_SGIARCS_H */