patch-2.4.20 linux-2.4.20/include/asm-mips/sgialib.h

• Lines: 116
• Date: Thu Nov 28 15:53:15 2002
• Orig file: linux-2.4.19/include/asm-mips/sgialib.h
• Orig date: Fri Aug 2 17:39:45 2002

diff -urN linux-2.4.19/include/asm-mips/sgialib.h linux-2.4.20/include/asm-mips/sgialib.h
@@ -1,7 +1,12 @@
 /*
- * 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
@@ -10,15 +15,19 @@
 
 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_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. */
@@ -28,18 +37,31 @@
 /* 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 *ArcGetChild(pcomponent *this);
@@ -64,7 +86,7 @@
 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. */
@@ -79,9 +101,9 @@
 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);
@@ -93,13 +115,13 @@
 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 */