patch-2.0.21-2.1.0 linux/arch/m68k/boot/amiga/bootstrap.h

• Lines: 453
• Date: Wed Sep 25 10:47:38 1996
• Orig file: lx2.0/v2.0.21/linux/arch/m68k/boot/amiga/bootstrap.h
• Orig date: Mon May 20 07:54:26 1996

diff -u --recursive --new-file lx2.0/v2.0.21/linux/arch/m68k/boot/amiga/bootstrap.h linux/arch/m68k/boot/amiga/bootstrap.h
@@ -1,12 +1,18 @@
 /*
-** bootstrap.h -- This file is a part of the Amiga bootloader.
+** linux/arch/m68k/boot/amiga/bootstrap.h -- This file is part of the Amiga
+**					     bootloader.
 **
 ** Copyright 1993, 1994 by Hamish Macdonald
 **
 ** Some minor additions by Michael Rausch 1-11-94
 ** Modified 11-May-94 by Geert Uytterhoeven
-**                      (Geert.Uytterhoeven@cs.kuleuven.ac.be)
+**			(Geert.Uytterhoeven@cs.kuleuven.ac.be)
 **     - inline Supervisor() call
+** Modified 10-Jan-96 by Geert Uytterhoeven
+**     - The real Linux/m68k boot code moved to linuxboot.[ch]
+** Modified 9-Sep-96 by Geert Uytterhoeven
+**     - const library bases
+**     - fixed register naming for m68k-cbm-amigados-gcc
 **
 ** 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
@@ -14,316 +20,156 @@
 **
 */
 
-#ifndef BOOTSTRAP_H
-#define BOOTSTRAP_H
-
 #include <asm/amigatypes.h>
-#include <asm/amigahw.h>
 
-struct List {
-    struct Node *l_head;
-    struct Node *l_tail;
-    struct Node *l_tailpred;
-    u_char  l_type;
-    u_char  l_pad;
-};
 
-struct MemChunk {
-    struct  MemChunk *mc_Next;	/* pointer to next chunk */
-    u_long   mc_Bytes;		/* chunk byte size	*/
+struct MsgPort {
+    u_char fill1[15];
+    u_char mp_SigBit;
+    u_char fill2[18];
 };
 
-#define MEMF_CHIP  (1<<1)
-#define MEMF_FAST  (1<<2)
-#define MEMF_LOCAL (1<<8)
-#define MEMF_CLEAR (1<<16)
-
-struct MemHeader {
-    struct  Node mh_Node;
-    u_short   mh_Attributes;	/* characteristics of this region */
-    struct  MemChunk *mh_First; /* first free region		*/
-    void    *mh_Lower;		/* lower memory bound		*/
-    void    *mh_Upper;		/* upper memory bound+1 */
-    u_long   mh_Free;		/* total number of free bytes	*/
+struct IOStdReq {
+    u_char fill1[20];
+    struct Device *io_Device;
+    u_char fill2[4];
+    u_short io_Command;
+    u_char io_Flags;
+    char io_Error;
+    u_long io_Actual;
+    u_long io_Length;
+    void *io_Data;
+    u_char fill4[4];
 };
 
-struct ExecBase {
-    u_char	fill1[296];
-    u_short	AttnFlags;
-    u_char	fill2[24];
-    struct List MemList;
-    u_char	fill3[194];
-    u_char	VBlankFrequency;
-    u_char	PowerSupplyFrequency;
-    u_char	fill4[36];
-    u_long	EClockFrequency;
-};
+#define IOF_QUICK	(1<<0)
 
-#ifndef AFF_68020
-#define AFB_68020 1
-#define AFF_68020 (1<<AFB_68020)
-#endif
-
-#ifndef AFF_68030
-#define AFB_68030 2
-#define AFF_68030 (1<<AFB_68030)
-#endif
-
-#ifndef AFF_68040
-#define AFB_68040 3
-#define AFF_68040 (1<<AFB_68040)
-#endif
-
-#ifndef AFF_68881
-#define AFB_68881 4
-#define AFF_68881 (1<<AFB_68881)
-#endif
-
-#ifndef AFF_68882
-#define AFB_68882 5
-#define AFF_68882 (1<<AFB_68882)
-#endif
-
-#ifndef AFF_FPU40
-#define AFB_FPU40 6
-#define AFF_FPU40 (1<<AFB_FPU40)
-#endif
-
-/*
- *  GfxBase is now used to determine if AGA or ECS is present
- */
-
-struct GfxBase {
-	u_char	unused1[0xec];
-	u_char	ChipRevBits0;
-	u_char	unused2[5];
-	u_short	monitor_id;
+struct timerequest {
+    u_char fill1[28];
+    u_short io_Command;
+    u_char io_Flags;
+    u_char fill2[1];
+    u_long tv_secs;
+    u_long tv_micro;
 };
 
-#ifndef	GFXB_HR_AGNUS
-#define	GFXB_HR_AGNUS	0
-#define	GFXF_HR_AGNUS	(1<<GFXB_HR_AGNUS)
-#endif
-
-#ifndef	GFXB_HR_DENISE
-#define GFXB_HR_DENISE	1
-#define GFXF_HR_DENISE	(1<<GFXB_HR_DENISE)
-#endif
-
-#ifndef	GFXB_AA_ALICE
-#define GFXB_AA_ALICE	2
-#define GFXF_AA_ALICE	(1<<GFXB_AA_ALICE)
-#endif
-
-#ifndef	GFXB_AA_LISA
-#define GFXB_AA_LISA	3
-#define GFXF_AA_LISA	(1<<GFXB_AA_LISA)
-#endif
-
-/*
- *  HiRes(=Big) Agnus present; i.e. 
- *  1MB chipmem, big blits (none of interest so far) and programmable sync
- */
-#define GFXG_OCS	(GFXF_HR_AGNUS)
-/*
- *  HiRes Agnus/Denise present; we are running on ECS
- */
-#define GFXG_ECS	(GFXF_HR_AGNUS|GFXF_HR_DENISE)
-/*
- *  Alice and Lisa present; we are running on AGA
- */
-#define GFXG_AGA	(GFXF_AA_ALICE|GFXF_AA_LISA)
+#define UNIT_VBLANK	1
+#define TR_ADDREQUEST	9
+
 
 struct Library;
+struct IORequest;
 
-extern struct ExecBase *SysBase;
 
-static __inline void *
-AllocMem (unsigned long byteSize,unsigned long requirements)
-{
-  register void  *_res	__asm("d0");
-  register struct ExecBase *a6 __asm("a6") = SysBase;
-  register unsigned long d0 __asm("d0") = byteSize;
-  register unsigned long d1 __asm("d1") = requirements;
-  __asm __volatile ("jsr a6@(-0xc6)"
-  : "=r" (_res)
-  : "r" (a6), "r" (d0), "r" (d1)
-  : "a0","a1","d0","d1", "memory");
-  return _res;
-}
-static __inline void
-CloseLibrary (struct Library *library)
-{
-  register struct ExecBase *a6 __asm("a6") = SysBase;
-  register struct Library *a1 __asm("a1") = library;
-  __asm __volatile ("jsr a6@(-0x19e)"
-  : /* no output */
-  : "r" (a6), "r" (a1)
-  : "a0","a1","d0","d1", "memory");
-}
-static __inline void
-Disable (void)
-{
-  extern struct ExecBase *SysBase;
-  register struct ExecBase *a6 __asm("a6") = SysBase;
-  __asm __volatile ("jsr a6@(-0x78)"
-  : /* no output */
-  : "r" (a6)
-  : "a0","a1","d0","d1", "memory");
-}
-static __inline void
-Enable (void)
-{
-  register struct ExecBase *a6 __asm("a6") = SysBase;
-  __asm __volatile ("jsr a6@(-0x7e)"
-  : /* no output */
-  : "r" (a6)
-  : "a0","a1","d0","d1", "memory");
-}
-static __inline void
-FreeMem (void * memoryBlock,unsigned long byteSize)
-{
-  register struct ExecBase *a6 __asm("a6") = SysBase;
-  register void *a1 __asm("a1") = memoryBlock;
-  register unsigned long d0 __asm("d0") = byteSize;
-  __asm __volatile ("jsr a6@(-0xd2)"
-  : /* no output */
-  : "r" (a6), "r" (a1), "r" (d0)
-  : "a0","a1","d0","d1", "memory");
-}
-static __inline struct Library *
-OpenLibrary (char *libName,unsigned long version)
-{
-  register struct Library * _res  __asm("d0");
-  register struct ExecBase *a6 __asm("a6") = SysBase;
-  register u_char *a1 __asm("a1") = libName;
-  register unsigned long d0 __asm("d0") = version;
-  __asm __volatile ("jsr a6@(-0x228)"
-  : "=r" (_res)
-  : "r" (a6), "r" (a1), "r" (d0)
-  : "a0","a1","d0","d1", "memory");
-  return _res;
-}
-static __inline void *
-SuperState (void)
-{
-  register void  *_res	__asm("d0");
-  register struct ExecBase *a6 __asm("a6") = SysBase;
-  __asm __volatile ("jsr a6@(-0x96)"
-  : "=r" (_res)
-  : "r" (a6)
-  : "a0","a1","d0","d1", "memory");
-  return _res;
-}
-static __inline void 
-CacheClearU (void)
-{
-  register struct ExecBase *a6 __asm("a6") = SysBase;
-  __asm __volatile ("jsr a6@(-0x27c)"
-  : /* no output */
-  : "r" (a6)
-  : "a0","a1","d0","d1", "memory");
-}
-static __inline unsigned long 
-CacheControl (unsigned long cacheBits,unsigned long cacheMask)
+static __inline void CloseLibrary(struct Library *library)
 {
-  register unsigned long  _res  __asm("d0");
-  register struct ExecBase *a6 __asm("a6") = SysBase;
-  register unsigned long d0 __asm("d0") = cacheBits;
-  register unsigned long d1 __asm("d1") = cacheMask;
-  __asm __volatile ("jsr a6@(-0x288)"
-  : "=r" (_res)
-  : "r" (a6), "r" (d0), "r" (d1)
-  : "a0","a1","d0","d1", "memory");
-  return _res;
+    register const struct ExecBase *a6 __asm("a6") = SysBase;
+    register struct Library *a1 __asm("a1") = library;
+    __asm __volatile ("jsr a6@(-0x19e)"
+		      : /* no output */
+		      : "r" (a6), "r" (a1)
+		      : "a0","a1","d0","d1", "memory");
 }
-static __inline unsigned long
-Supervisor (unsigned long (*userfunc)())
+
+static __inline struct Library *OpenLibrary(char *libName,
+					    unsigned long version)
 {
-  register unsigned long _res __asm("d0");
-  register struct ExecBase *a6 __asm("a6") = SysBase;
-  register unsigned long (*a0)() __asm("a0") = userfunc;
-	/* gcc doesn't seem to like asm parameters in a5 */
-  __asm __volatile ("movel a5,sp@-;movel a0,a5;jsr a6@(-0x1e);movel sp@+,a5"
-  : "=r" (_res)
-  : "r" (a6), "r" (a0)
-  : "a0","a1","d0","d1","memory");
-  return _res;
+    register struct Library * _res  __asm("d0");
+    register const struct ExecBase *a6 __asm("a6") = SysBase;
+    register u_char *a1 __asm("a1") = libName;
+    register unsigned long d0 __asm("d0") = version;
+    __asm __volatile ("jsr a6@(-0x228)"
+		      : "=r" (_res)
+		      : "r" (a6), "r" (a1), "r" (d0)
+		      : "a0","a1","d0","d1", "memory");
+    return _res;
 }
 
+static __inline char OpenDevice(u_char *devName, u_long unit,
+				struct IORequest *ioRequest, u_long flags)
+{
+    register char _res __asm("d0");
+    register const struct ExecBase *a6 __asm("a6") = SysBase;
+    register u_char *a0 __asm("a0") = devName;
+    register u_long d0 __asm("d0") = unit;
+    register struct IORequest *a1 __asm("a1") = ioRequest;
+    register u_long d1 __asm("d1") = flags;
 
-struct ExpansionBase;
-extern struct ExpansionBase *ExpansionBase;
+    __asm __volatile ("jsr a6@(-0x1bc)"
+		      : "=r" (_res)
+		      : "r" (a6), "r" (a0), "r" (a1), "r" (d0), "r" (d1)
+		      : "a0","a1","d0","d1", "memory");
+    return(_res);
+}
 
-static __inline struct ConfigDev *
-FindConfigDev (struct ConfigDev *oldConfigDev,long manufacturer,long product)
+static __inline void CloseDevice(struct IORequest *ioRequest)
 {
-  register struct ConfigDev * _res  __asm("d0");
-  register struct ExpansionBase* a6 __asm("a6") = ExpansionBase;
-  register struct ConfigDev *a0 __asm("a0") = oldConfigDev;
-  register long d0 __asm("d0") = manufacturer;
-  register long d1 __asm("d1") = product;
-  __asm __volatile ("jsr a6@(-0x48)"
-  : "=r" (_res)
-  : "r" (a6), "r" (a0), "r" (d0), "r" (d1)
-  : "a0","a1","d0","d1", "memory");
-  return _res;
+    register const struct ExecBase *a6 __asm("a6") = SysBase;
+    register struct IORequest *a1 __asm("a1") = ioRequest;
+
+    __asm __volatile ("jsr a6@(-0x1c2)"
+		      : /* no output */
+		      : "r" (a6), "r" (a1)
+		      : "a0","a1","d0","d1", "memory");
 }
 
-struct GfxBase;
-extern struct GfxBase *GfxBase;
-struct View;
-static __inline void 
-LoadView (struct View *view)
+static __inline char DoIO(struct IORequest *ioRequest)
 {
-  register struct GfxBase* a6 __asm("a6") = GfxBase;
-  register struct View *a1 __asm("a1") = view;
-  __asm __volatile ("jsr a6@(-0xde)"
-  : /* no output */
-  : "r" (a6), "r" (a1)
-  : "a0","a1","d0","d1", "memory");
+    register char _res __asm("d0");
+    register const struct ExecBase *a6 __asm("a6") = SysBase;
+    register struct IORequest *a1 __asm("a1") = ioRequest;
+
+    __asm __volatile ("jsr a6@(-0x1c8)"
+		      : "=r" (_res)
+		      : "r" (a6), "r" (a1)
+		      : "a0","a1","d0","d1", "memory");
+    return(_res);
 }
 
-static __inline void change_stack (char *stackp)
+static __inline void *CreateIORequest(struct MsgPort *port, u_long size)
 {
-    __asm__ volatile ("movel %0,sp\n\t" :: "g" (stackp) : "sp");
+    register struct Library *_res __asm("d0");
+    register const struct ExecBase *a6 __asm("a6") = SysBase;
+    register struct MsgPort *a0 __asm("a0") = port;
+    register u_long d0 __asm("d0") = size;
+
+    __asm __volatile ("jsr a6@(-0x28e)"
+		      : "=r" (_res)
+		      : "r" (a6), "r" (a0), "r" (d0)
+		      : "a0","a1","d0","d1", "memory");
+    return(_res);
 }
 
-static __inline void disable_cache (void)
+static __inline void DeleteIORequest(void *ioRequest)
 {
-    __asm__ volatile ("movec %0,cacr" :: "d" (0));
+    register const struct ExecBase *a6 __asm("a6") = SysBase;
+    register void *a0 __asm("a0") = ioRequest;
+
+    __asm __volatile ("jsr a6@(-0x294)"
+		      : /* no output */
+		      : "r" (a6), "r" (a0)
+		      : "a0","a1","d0","d1", "memory");
 }
 
-static __inline void disable_mmu (void)
+static __inline struct MsgPort *CreateMsgPort(void)
 {
-    if (SysBase->AttnFlags & AFF_68040)
-	    __asm__ volatile ("moveq #0,d0;"
-			      ".long 0x4e7b0003;"	/* movec d0,tc */
-			      ".long 0x4e7b0004;"	/* movec d0,itt0 */
-			      ".long 0x4e7b0005;"	/* movec d0,itt1 */
-			      ".long 0x4e7b0006;"	/* movec d0,dtt0 */
-			      ".long 0x4e7b0007"	/* movec d0,dtt1 */
-			      : /* no outputs */
-			      : /* no inputs */
-			      : "d0");
-    else {
-	    __asm__ volatile ("subl  #4,sp;"
-			      "pmove tc,sp@;"
-			      "bclr  #7,sp@;"
-			      "pmove sp@,tc;"
-			      "addl  #4,sp");
-	    if (SysBase->AttnFlags & AFF_68030)
-		    __asm__ volatile ("clrl  sp@-;"
-				      ".long 0xf0170800;" /* pmove sp@,tt0 */
-				      ".long 0xf0170c00;" /* pmove sp@,tt1 */
-				      "addql #4,sp");
-    }
+    register struct MsgPort *_res __asm("d0");
+    register const struct ExecBase *a6 __asm("a6") = SysBase;
+
+    __asm __volatile ("jsr a6@(-0x29a)"
+		      : "=r" (_res)
+		      : "r" (a6)
+		      : "a0","a1","d0","d1", "memory");
+    return(_res);
 }
 
-static __inline void jump_to (unsigned long addr)
+static __inline void DeleteMsgPort(struct MsgPort *port)
 {
-    __asm__ volatile ("jmp %0@" :: "a" (addr));
-    /* NOTREACHED */
-}
+    register const struct ExecBase *a6 __asm("a6") = SysBase;
+    register struct MsgPort *a0 __asm("a0") = port;
 
-#endif /* BOOTSTRAP_H */
+    __asm __volatile ("jsr a6@(-0x2a0)"
+		      : /* no output */
+		      : "r" (a6), "r" (a0)
+		      : "a0","a1","d0","d1", "memory");
+}