/[gxemul]/trunk/src/include/dec_prom.h
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Revision 24 - (hide annotations)
Mon Oct 8 16:19:56 2007 UTC (16 years, 5 months ago) by dpavlin
File MIME type: text/plain
File size: 13892 byte(s)
++ trunk/HISTORY	(local)
$Id: HISTORY,v 1.1256 2006/06/23 20:43:44 debug Exp $
20060219	Various minor updates. Removing the old MIPS16 skeleton code,
		because it will need to be rewritten for dyntrans anyway.
20060220-22	Removing the non-working dyntrans backend support.
		Continuing on the 64-bit dyntrans virtual memory generalization.
20060223	More work on the 64-bit vm generalization.
20060225	Beginning on MIPS dyntrans load/store instructions.
		Minor PPC updates (64-bit load/store, etc).
		Fixes for the variable-instruction-length framework, some
		minor AVR updates (a simple Hello World program works!).
		Beginning on a skeleton for automatically generating documen-
		tation (for devices etc.).
20060226	PPC updates (adding some more 64-bit instructions, etc).
		AVR updates (more instructions).
		FINALLY found and fixed the zs bug, making NetBSD/macppc
		accept the serial console.
20060301	Adding more AVR instructions.
20060304	Continuing on AVR-related stuff. Beginning on a framework for
		cycle-accurate device emulation. Adding an experimental "PAL
		TV" device (just a dummy so far).
20060305	Adding more AVR instructions.
		Adding a dummy epcom serial controller (for TS7200 emulation).
20060310	Removing the emul() command from configuration files, so only
		net() and machine() are supported.
		Minor progress on the MIPS dyntrans rewrite.
20060311	Continuing on the MIPS dyntrans rewrite (adding more
		instructions, etc).
20060315	Adding more instructions (sllv, srav, srlv, bgtz[l], blez[l],
		beql, bnel, slti[u], various loads and stores).
20060316	Removing the ALWAYS_SIGNEXTEND_32 option, since it was rarely
		used.
		Adding more MIPS dyntrans instructions, and fixing bugs.
20060318	Implementing fast loads/stores for MIPS dyntrans (big/little
		endian, 32-bit and 64-bit modes).
20060320	Making MIPS dyntrans the default configure option; use
		"--enable-oldmips" to use the old bintrans system.
		Adding MIPS dyntrans dmult[u]; minor updates.
20060322	Continuing... adding some more instructions.
		Adding a simple skeleton for demangling C++ "_ZN" symbols.
20060323	Moving src/debugger.c into a new directory (src/debugger/).
20060324	Fixing the hack used to load PPC ELFs (useful for relocated
		Linux/ppc kernels), and adding a dummy G3 machine mode.
20060325-26	Beginning to experiment with GDB remote serial protocol
		connections; adding a -G command line option for selecting
		which TCP port to listen to.
20060330	Beginning a major cleanup to replace things like "0x%016llx"
		with more correct "0x%016"PRIx64, etc.
		Continuing on the GDB remote serial protocol support.
20060331	More cleanup, and some minor GDB remote progress.
20060402	Adding a hack to the configure script, to allow compilation
		on systems that lack PRIx64 etc.
20060406	Removing the temporary FreeBSD/arm hack in dev_ns16550.c and
		replacing it with a better fix from Olivier Houchard.
20060407	A remote debugger (gdb or ddd) can now start and stop the
		emulator using the GDB remote serial protocol, and registers
		and memory can be read. MIPS only for now.
20060408	More GDB progress: single-stepping also works, and also adding
		support for ARM, PowerPC, and Alpha targets.
		Continuing on the delay-slot-across-page-boundary issue.
20060412	Minor update: beginning to add support for the SPARC target
		to the remote GDB functionality.
20060414	Various MIPS updates: adding more instructions for dyntrans
		(eret, add), and making some exceptions work. Fixing a bug
		in dmult[u].
		Implementing the first SPARC instructions (sethi, or).
20060415	Adding "magic trap" instructions so that PROM calls can be
		software emulated in MIPS dyntrans.
		Adding more MIPS dyntrans instructions (ddiv, dadd) and
		fixing another bug in dmult.
20060416	More MIPS dyntrans progress: adding [d]addi, movn, movz, dsllv,
		rfi, an ugly hack for supporting R2000/R3000 style faked caches,
		preliminary interrupt support, and various other updates and
		bugfixes.
20060417	Adding more SPARC instructions (add, sub, sll[x], sra[x],
		srl[x]), and useful SPARC header definitions.
		Adding the first (trivial) x86/AMD64 dyntrans instructions (nop,
		cli/sti, stc/clc, std/cld, simple mov, inc ax). Various other
		x86 updates related to variable instruction length stuff.
		Adding unaligned loads/stores to the MIPS dyntrans mode (but
		still using the pre-dyntrans (slow) imlementation).
20060419	Fixing a MIPS dyntrans exception-in-delay-slot bug.
		Removing the old "show opcode statistics" functionality, since
		it wasn't really useful and isn't implemented for dyntrans.
		Single-stepping (or running with instruction trace) now looks
		ok with dyntrans with delay-slot architectures.
20060420	Minor hacks (removing the -B command line option when compiled
		for non-bintrans, and some other very minor updates).
		Adding (slow) MIPS dyntrans load-linked/store-conditional.
20060422	Applying fixes for bugs discovered by Nils Weller's nwcc
		(static DEC memmap => now per machine, and adding an extern
		keyword in cpu_arm_instr.c).
		Finally found one of the MIPS dyntrans bugs that I've been
		looking for (copy/paste spelling error BIG vs LITTLE endian in
		cpu_mips_instr_loadstore.c for 16-bit fast stores).
		FINALLY found the major MIPS dyntrans bug: slti vs sltiu
		signed/unsigned code in cpu_mips_instr.c. :-)
		Adding more MIPS dyntrans instructions (lwc1, swc1, bgezal[l],
		ctc1, tlt[u], tge[u], tne, beginning on rdhwr).
		NetBSD/hpcmips can now reach userland when using dyntrans :-)
		Adding some more x86 dyntrans instructions.
		Finally removed the old Alpha-specific virtual memory code,
		and replaced it with the generic 64-bit version.
		Beginning to add disassembly support for SPECIAL3 MIPS opcodes.
20060423	Continuing on the delay-slot-across-page-boundary issue;
		adding an end_of_page2 ic slot (like I had planned before, but
		had removed for some reason).
		Adding a quick-and-dirty fallback to legacy coprocessor 1
		code (i.e. skipping dyntrans implementation for now).
		NetBSD/hpcmips and NetBSD/pmax (when running on an emulated
		R4400) can now be installed and run. :-)  (Many bugs left
		to fix, though.)
		Adding more MIPS dyntrans instructions: madd[u], msub[u].
		Cleaning up the SPECIAL2 vs R5900/TX79/C790 "MMI" opcode
		maps somewhat (disassembly and dyntrans instruction decoding).
20060424	Adding an isa_revision field to mips_cpu_types.h, and making
		sure that SPECIAL3 opcodes cause Reserved Instruction
		exceptions on MIPS32/64 revisions lower than 2.
		Adding the SPARC 'ba', 'call', 'jmpl/retl', 'and', and 'xor'
		instructions.
20060425	Removing the -m command line option ("run at most x 
		instructions") and -T ("single_step_on_bad_addr"), because
		they never worked correctly with dyntrans anyway.
		Freshening up the man page.
20060428	Adding more MIPS dyntrans instructions: bltzal[l], idle.
		Enabling MIPS dyntrans compare interrupts.
20060429	FINALLY found the weird dyntrans bug, causing NetBSD etc. to
		behave strangely: some floating point code (conditional
		coprocessor branches) could not be reused from the old
		non-dyntrans code. The "quick-and-dirty fallback" only appeared
		to work. Fixing by implementing bc1* for MIPS dyntrans.
		More MIPS instructions: [d]sub, sdc1, ldc1, dmtc1, dmfc1, cfc0.
		Freshening up MIPS floating point disassembly appearance.
20060430	Continuing on C790/R5900/TX79 disassembly; implementing 128-bit
		"por" and "pextlw".
20060504	Disabling -u (userland emulation) unless compiled as unstable
		development version.
		Beginning on freshening up the testmachine include files,
		to make it easier to reuse those files (placing them in
		src/include/testmachine/), and beginning on a set of "demos"
		or "tutorials" for the testmachine functionality.
		Minor updates to the MIPS GDB remote protocol stub.
		Refreshing doc/experiments.html and gdb_remote.html.
		Enabling Alpha emulation in the stable release configuration,
		even though no guest OSes for Alpha can run yet.
20060505	Adding a generic 'settings' object, which will contain
		references to settable variables (which will later be possible
		to access using the debugger).
20060506	Updating dev_disk and corresponding demo/documentation (and
		switching from SCSI to IDE disk types, so it actually works
		with current test machines :-).
20060510	Adding a -D_LARGEFILE_SOURCE hack for 64-bit Linux hosts,
		so that fseeko() doesn't give a warning.
		Updating the section about how dyntrans works (the "runnable
		IR") in doc/intro.html.
		Instruction updates (some x64=1 checks, some more R5900
		dyntrans stuff: better mul/mult separation from MIPS32/64,
		adding ei and di).
		Updating MIPS cpuregs.h to a newer one (from NetBSD).
		Adding more MIPS dyntrans instructions: deret, ehb.
20060514	Adding disassembly and beginning implementation of SPARC wr
		and wrpr instructions.
20060515	Adding a SUN SPARC machine mode, with dummy SS20 and Ultra1
		machines. Adding the 32-bit "rd psr" instruction.
20060517	Disassembly support for the general SPARC rd instruction.
		Partial implementation of the cmp (subcc) instruction.
		Some other minor updates (making sure that R5900 processors
		start up with the EIE bit enabled, otherwise Linux/playstation2
		receives no interrupts).
20060519	Minor MIPS updates/cleanups.
20060521	Moving the MeshCube machine into evbmips; this seems to work
		reasonably well with a snapshot of a NetBSD MeshCube kernel.
		Cleanup/fix of MIPS config0 register initialization.
20060529	Minor MIPS fixes, including a sign-extension fix to the
		unaligned load/store code, which makes NetBSD/pmax on R3000
		work better with dyntrans. (Ultrix and Linux/DECstation still
		don't work, though.)
20060530	Minor updates to the Alpha machine mode: adding an AlphaBook
		mode, an LCA bus (forwarding accesses to an ISA bus), etc.
20060531	Applying a bugfix for the MIPS dyntrans sc[d] instruction from
		Ondrej Palkovsky. (Many thanks.)
20060601	Minifix to allow ARM immediate msr instruction to not give
		an error for some valid values.
		More Alpha updates.
20060602	Some minor Alpha updates.
20060603	Adding the Alpha cmpbge instruction. NetBSD/alpha prints its
		first boot messages :-) on an emulated Alphabook 1.
20060612	Minor updates; adding a dev_ether.h include file for the
		testmachine ether device. Continuing the hunt for the dyntrans
		bug which makes Linux and Ultrix on DECstation behave
		strangely... FINALLY found it! It seems to be related to
		invalidation of the translation cache, on tlbw{r,i}. There
		also seems to be some remaining interrupt-related problems.
20060614	Correcting the implementation of ldc1/sdc1 for MIPS dyntrans
		(so that it uses 16 32-bit registers if the FR bit in the
		status register is not set).
20060616	REMOVING BINTRANS COMPLETELY!
		Removing the old MIPS interpretation mode.
		Removing the MFHILO_DELAY and instruction delay stuff, because
		they wouldn't work with dyntrans anyway.
20060617	Some documentation updates (adding "NetBSD-archive" to some
		URLs, and new Debian/DECstation installation screenshots).
		Removing the "tracenull" and "enable-caches" configure options.
		Improving MIPS dyntrans performance somewhat (only invalidate
		translations if necessary, on writes to the entryhi register,
		instead of doing it for all cop0 writes).
20060618	More cleanup after the removal of the old MIPS emulation.
		Trying to fix the MIPS dyntrans performance bugs/bottlenecks;
		only semi-successful so far (for R3000).
20060620	Minor update to allow clean compilation again on Tru64/Alpha.
20060622	MIPS cleanup and fixes (removing the pc_last stuff, which
		doesn't make sense with dyntrans anyway, and fixing a cross-
		page-delay-slot-with-exception case in end_of_page).
		Removing the old max_random_cycles_per_chunk stuff, and the
		concept of cycles vs instructions for MIPS emulation.
		FINALLY found and fixed the bug which caused NetBSD/pmax
		clocks to behave strangely (it was a load to the zero register,
		which was treated as a NOP; now it is treated as a load to a
		dummy scratch register).
20060623	Increasing the dyntrans chunk size back to
		N_SAFE_DYNTRANS_LIMIT, instead of N_SAFE_DYNTRANS_LIMIT/2.
		Preparing for a quick release, even though there are known
		bugs, and performance for non-R3000 MIPS emulation is very
		poor. :-/
		Reverting to half the dyntrans chunk size again, because
		NetBSD/cats seemed less stable with full size chunks. :(
		NetBSD/sgimips 3.0 can now run :-)  (With release 0.3.8, only
		NetBSD/sgimips 2.1 worked, not 3.0.)

==============  RELEASE 0.4.0  ==============


1 dpavlin 24 /* gxemul: $Id: dec_prom.h,v 1.7 2006/04/22 08:40:45 debug Exp $ */
2 dpavlin 4 #ifndef _PMAX_DEC_PROM_H_
3     #define _PMAX_DEC_PROM_H_
4    
5     #ifndef __P
6     #define __P(x) x
7     #endif
8    
9     #ifndef _NO_PROM_DEFINES
10     #define _NO_PROM_DEFINES
11     #endif
12    
13     /* $NetBSD: dec_prom.h,v 1.17 2001/08/24 15:33:17 mhitch Exp $ */
14    
15     /*
16     * Copyright (c) 1992, 1993
17     * The Regents of the University of California. All rights reserved.
18     *
19     * This code is derived from software contributed to Berkeley by
20     * Ralph Campbell.
21     *
22     * Redistribution and use in source and binary forms, with or without
23     * modification, are permitted provided that the following conditions
24     * are met:
25     * 1. Redistributions of source code must retain the above copyright
26     * notice, this list of conditions and the following disclaimer.
27     * 2. Redistributions in binary form must reproduce the above copyright
28     * notice, this list of conditions and the following disclaimer in the
29     * documentation and/or other materials provided with the distribution.
30     * 3. All advertising materials mentioning features or use of this software
31     * must display the following acknowledgement:
32     * This product includes software developed by the University of
33     * California, Berkeley and its contributors.
34     * 4. Neither the name of the University nor the names of its contributors
35     * may be used to endorse or promote products derived from this software
36     * without specific prior written permission.
37     *
38     * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
39     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
40     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
41     * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
42     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
43     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
44     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
45     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
46     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
47     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
48     * SUCH DAMAGE.
49     *
50     * @(#)dec_prom.h 8.1 (Berkeley) 6/10/93
51     *
52     * machMon.h --
53     *
54     * Structures, constants and defines for access to the pmax prom.
55     *
56     * Copyright (C) 1989 Digital Equipment Corporation.
57     * Permission to use, copy, modify, and distribute this software and
58     * its documentation for any purpose and without fee is hereby granted,
59     * provided that the above copyright notice appears in all copies.
60     * Digital Equipment Corporation makes no representations about the
61     * suitability of this software for any purpose. It is provided "as is"
62     * without express or implied warranty.
63     *
64     * from: Header: /sprite/src/kernel/mach/ds3100.md/RCS/machMon.h,
65     * v 9.3 90/02/20 14:34:07 shirriff Exp SPRITE (Berkeley)
66     */
67    
68     /*
69     * This file was created based on information from the document
70     * "TURBOchannel Firmware Specification" (EK-TCAAD-FS-003)
71     * by Digital Equipment Corporation.
72     */
73    
74     #ifndef _LOCORE
75     #include <sys/types.h>
76     /* #include <sys/cdefs.h> */
77    
78     /*
79     * Programs loaded by the new PROMs pass the following arguments:
80     * a0 argc
81     * a1 argv
82     * a2 DEC_PROM_MAGIC
83     * a3 The callback vector defined below
84     */
85    
86     #define DEC_PROM_MAGIC 0x30464354
87    
88 dpavlin 24 /* typedef */ struct dec_memmap {
89 dpavlin 4 uint32_t pagesize; /* system page size */ /* was type int in netbsd */
90     u_char bitmap[15360]; /* bit for each page indicating safe to use */
91 dpavlin 24 } /* memmap */;
92 dpavlin 4
93     typedef struct {
94     int revision; /* hardware revision level */
95     int clk_period; /* clock period in nano seconds */
96     int slot_size; /* slot size in magabytes */
97     int io_timeout; /* I/O timeout in cycles */
98     int dma_range; /* DMA address range in megabytes */
99     int max_dma_burst; /* maximum DMA burst length */
100     int parity; /* true if system module supports T.C. parity */
101     int reserved[4];
102     } tcinfo;
103    
104 dpavlin 24 #if 0
105     /* Not in GXemul. */
106    
107 dpavlin 4 typedef int jmp_buf[12];
108     typedef void (*psig_t)(int);
109    
110     struct callback {
111     void *(*_memcpy) __P((void *s1, void *s2, int n)); /* 00 */
112     void *(*_memset) __P((void *s1, int c, int n)); /* 04 */
113     char *(*_strcat) __P((char *s1, char *s2)); /* 08 */
114     int (*_strcmp) __P((char *s1, char *s2)); /* 0c */
115     char *(*_strcpy) __P((char *s1, char *s2)); /* 10 */
116     int (*_strlen) __P((char *s1)); /* 14 */
117     char *(*_strncat) __P((char *s1, char *s2, int n)); /* 18 */
118     char *(*_strncpy) __P((char *s1, char *s2, int n)); /* 1c */
119     int (*_strncmp) __P((char *s1, char *s2, int n)); /* 20 */
120     int (*_getchar) __P((void)); /* 24 */
121     char *(*_gets) __P((char *s)); /* 28 */
122     int (*_puts) __P((char *s)); /* 2c */
123     int (*_printf) __P((char *fmt, ...)); /* 30 */
124     int (*_sprintf) __P((char *s, char *fmt, ...)); /* 34 */
125     int (*_io_poll) __P((void)); /* 38 */
126     long (*_strtol) __P((char *s, char **endptr, int base)); /* 3c */
127     psig_t (*_signal) __P((int sig, psig_t func)); /* 40 */
128     int (*_raise) __P((int sig)); /* 44 */
129     long (*_time) __P((long *tod)); /* 48 */
130     int (*_setjmp) __P((jmp_buf env)); /* 4c */
131     void (*_longjmp) __P((jmp_buf env, int value)); /* 50 */
132     int (*_bootinit) __P((char *fname)); /* 54 */
133     int (*_bootread) __P((int b, void *buffer, int n)); /* 58 */
134     int (*_bootwrite) __P((int b, void *buffer, int n)); /* 5c */
135     int (*_setenv) __P((char *name, char *value)); /* 60 */
136     char *(*_getenv) __P((char *name)); /* 64 */
137     int (*_unsetenv) __P((char *name)); /* 68 */
138     u_long (*_slot_address) __P((int sn)); /* 6c */
139     void (*_wbflush) __P((void)); /* 70 */
140     void (*_msdelay) __P((int delay)); /* 74 */
141     void (*_leds) __P((int value)); /* 78 */
142     void (*_clear_cache) __P((char *addr, int len)); /* 7c */
143     int (*_getsysid) __P((void)); /* 80 */
144     int (*_getbitmap) __P((struct memmap *map)); /* 84 */ /* gxemul: struct memmap */
145     int (*_disableintr) __P((int sn)); /* 88 */
146     int (*_enableintr) __P((int sn)); /* 8c */
147     int (*_testintr) __P((int sn)); /* 90 */
148     void *_reserved_data; /* 94 */
149     int (*_console_init) __P((void)); /* 98 */
150     void (*_halt) __P((int *v, int cnt)); /* 9c */
151     void (*_showfault) __P((void)); /* a0 */
152     tcinfo *(*_gettcinfo) __P((void)); /*XXX* bogus proto */ /* a4 */
153     int (*_execute_cmd) __P((char *cmd)); /* a8 */
154     void (*_rex) __P((char cmd)); /* ac */
155     /* b0 to d4 reserved */
156     };
157    
158     extern const struct callback *callv;
159     extern const struct callback callvec;
160    
161     #if defined(_STANDALONE) && !defined(_NO_PROM_DEFINES)
162     #define memcpy (*callv -> _memcpy)
163     #define memset (*callv -> _memset)
164     #define strcat (*callv -> _strcat)
165     #define strcmp (*callv -> _strcmp)
166     #define strcpy (*callv -> _strcpy)
167     #define strlen (*callv -> _strlen)
168     #define strncat (*callv -> _strncat)
169     #define strncpy (*callv -> _strncpy)
170     #define strncmp (*callv -> _strncmp)
171     #define getchar (*callv -> _getchar)
172     #define gets (*callv -> _gets)
173     #define puts (*callv -> _puts)
174     #define printf (*callv -> _printf)
175     #define sprintf (*callv -> _sprintf)
176     #define io_poll (*callv -> _io_poll)
177     #define strtol (*callv -> _strtol)
178     #define raise (*callv -> _raise)
179     #define time (*callv -> _time)
180     #define setjmp (*callv -> _setjmp)
181     #define longjmp (*callv -> _longjmp)
182     #define bootinit (*callv -> _bootinit)
183     #define bootread (*callv -> _bootread)
184     #define bootwrite (*callv -> _bootwrite)
185     #define setenv (*callv -> _setenv)
186     #define getenv (*callv -> _getenv)
187     #define unsetenv (*callv -> _unsetenv)
188     #define wbflush (*callv -> _wbflush)
189     #define msdelay (*callv -> _msdelay)
190     #define leds (*callv -> _leds)
191     #define clear_cache (*callv -> _clear_cache)
192     #define getsysid (*callv -> _getsysid)
193     #define getbitmap (*callv -> _getbitmap)
194     #define disableintr (*callv -> _disableintr)
195     #define enableintr (*callv -> _enableintr)
196     #define testintr (*callv -> _testintr)
197     #define console_init (*callv -> _console_init)
198     #define halt (*callv -> _halt)
199     #define showfault (*callv -> _showfault)
200     #define gettcinfo (*callv -> _gettcinfo)
201     #define execute_cmd (*callv -> _execute_cmd)
202     #define rex (*callv -> _rex)
203    
204     #define bzero(dst, len) memset(dst, 0, len)
205     /* XXX make sure that no calls to bcopy overlap! */
206     #define bcopy(src, dst, len) memcpy(dst, src, len)
207     #endif
208    
209 dpavlin 24 #endif /* not in gxemul */
210    
211 dpavlin 4 /*
212     * The prom routines use the following structure to hold strings.
213     */
214     typedef struct {
215     char *argPtr[16]; /* Pointers to the strings. */
216     char strings[256]; /* Buffer for the strings. */
217     char *end; /* Pointer to end of used buf. */
218     int num; /* Number of strings used. */
219     } MachStringTable;
220    
221     #endif /* _LOCORE */
222    
223     /*
224     * The prom has a jump table at the beginning of it to get to its
225     * functions.
226     */
227     #define DEC_PROM_JUMP_TABLE_ADDR 0xBFC00000
228    
229     /*
230     * Each entry in the jump table is 8 bytes - 4 for the jump and 4 for a nop.
231     */
232     #define DEC_PROM_FUNC_ADDR(funcNum) (DEC_PROM_JUMP_TABLE_ADDR+((funcNum)*8))
233    
234     /*
235     * The functions:
236     *
237     * DEC_PROM_RESET Run diags, check bootmode, reinit.
238     * DEC_PROM_EXEC Load new program image.
239     * DEC_PROM_RESTART Re-enter monitor command loop.
240     * DEC_PROM_REINIT Re-init monitor, then cmd loop.
241     * DEC_PROM_REBOOT Check bootmode, no config.
242     * DEC_PROM_AUTOBOOT Autoboot the system.
243     *
244     * The following routines access PROM saio routines and may be used by
245     * standalone programs that would like to use PROM I/O:
246     *
247     * DEC_PROM_OPEN Open a file.
248     * DEC_PROM_READ Read from a file.
249     * DEC_PROM_WRITE Write to a file.
250     * DEC_PROM_IOCTL Iocontrol on a file.
251     * DEC_PROM_CLOSE Close a file.
252     * DEC_PROM_LSEEK Seek on a file.
253     * DEC_PROM_GETCHAR Get character from console.
254     * DEC_PROM_PUTCHAR Put character on console.
255     * DEC_PROM_SHOWCHAR Show a char visibly.
256     * DEC_PROM_GETS gets with editing.
257     * DEC_PROM_PUTS Put string to console.
258     * DEC_PROM_PRINTF Kernel style printf to console.
259     *
260     * PROM protocol entry points:
261     *
262     * DEC_PROM_INITPROTO Initialize protocol.
263     * DEC_PROM_PROTOENABLE Enable protocol mode.
264     * DEC_PROM_PROTODISABLE Disable protocol mode.
265     * DEC_PROM_GETPKT Get protocol packet.
266     * DEC_PROM_PUTPKT Put protocol packet.
267     *
268     * The following are other prom routines:
269     * DEC_PROM_FLUSHCACHE Flush entire cache ().
270     * DEC_PROM_CLEARCACHE Clear I & D cache in range (addr, len).
271     * DEC_PROM_SAVEREGS Save registers in a buffer.
272     * DEC_PROM_LOADREGS Get register back from buffer.
273     * DEC_PROM_JUMPS8 Jump to address in s8.
274     * DEC_PROM_GETENV2 Gets a string from system environment.
275     * DEC_PROM_SETENV2 Sets a string in system environment.
276     * DEC_PROM_ATONUM Converts ascii string to number.
277     * DEC_PROM_STRCMP Compares strings (strcmp).
278     * DEC_PROM_STRLEN Length of string (strlen).
279     * DEC_PROM_STRCPY Copies string (strcpy).
280     * DEC_PROM_STRCAT Appends string (strcat).
281     * DEC_PROM_GETCMD Gets a command.
282     * DEC_PROM_GETNUMS Gets numbers.
283     * DEC_PROM_ARGPARSE Parses string to argc,argv.
284     * DEC_PROM_HELP Help on prom commands.
285     * DEC_PROM_DUMP Dumps memory.
286     * DEC_PROM_SETENV Sets a string in system environment.
287     * DEC_PROM_UNSETENV Unsets a string in system environment
288     * DEC_PROM_PRINTENV Prints system environment
289     * DEC_PROM_JUMP2S8 Jumps to s8
290     * DEC_PROM_ENABLE Performs prom enable command.
291     * DEC_PROM_DISABLE Performs prom disable command.
292     * DEC_PROM_ZEROB Zeros a system buffer.
293     * DEC_PROM_HALT Handler for halt interrupt.
294     * DEC_PROM_STARTCVAX 58xx VAX Diagnostic Supervisor support.
295     */
296     #define DEC_PROM_RESET DEC_PROM_FUNC_ADDR(0)
297     #define DEC_PROM_EXEC DEC_PROM_FUNC_ADDR(1)
298     #define DEC_PROM_RESTART DEC_PROM_FUNC_ADDR(2)
299     #define DEC_PROM_REINIT DEC_PROM_FUNC_ADDR(3)
300     #define DEC_PROM_REBOOT DEC_PROM_FUNC_ADDR(4)
301     #define DEC_PROM_AUTOBOOT DEC_PROM_FUNC_ADDR(5)
302     #define DEC_PROM_OPEN DEC_PROM_FUNC_ADDR(6)
303     #define DEC_PROM_READ DEC_PROM_FUNC_ADDR(7)
304     #define DEC_PROM_WRITE DEC_PROM_FUNC_ADDR(8)
305     #define DEC_PROM_IOCTL DEC_PROM_FUNC_ADDR(9)
306     #define DEC_PROM_CLOSE DEC_PROM_FUNC_ADDR(10)
307     #define DEC_PROM_LSEEK DEC_PROM_FUNC_ADDR(11)
308     #define DEC_PROM_GETCHAR DEC_PROM_FUNC_ADDR(12)
309     #define DEC_PROM_PUTCHAR DEC_PROM_FUNC_ADDR(13)
310     #define DEC_PROM_SHOWCHAR DEC_PROM_FUNC_ADDR(14)
311     #define DEC_PROM_GETS DEC_PROM_FUNC_ADDR(15)
312     #define DEC_PROM_PUTS DEC_PROM_FUNC_ADDR(16)
313     #define DEC_PROM_PRINTF DEC_PROM_FUNC_ADDR(17)
314     #define DEC_PROM_INITPROTO DEC_PROM_FUNC_ADDR(18)
315     #define DEC_PROM_PROTOENABLE DEC_PROM_FUNC_ADDR(19)
316     #define DEC_PROM_PROTODISABLE DEC_PROM_FUNC_ADDR(20)
317     #define DEC_PROM_GETPKT DEC_PROM_FUNC_ADDR(21)
318     #define DEC_PROM_PUTPKT DEC_PROM_FUNC_ADDR(22)
319     #define DEC_PROM_FLUSHCACHE DEC_PROM_FUNC_ADDR(28)
320     #define DEC_PROM_CLEARCACHE DEC_PROM_FUNC_ADDR(29)
321     #define DEC_PROM_SAVEREGS DEC_PROM_FUNC_ADDR(30)
322     #define DEC_PROM_LOADREGS DEC_PROM_FUNC_ADDR(31)
323     #define DEC_PROM_JUMPS8 DEC_PROM_FUNC_ADDR(32)
324     #define DEC_PROM_GETENV2 DEC_PROM_FUNC_ADDR(33)
325     #define DEC_PROM_SETENV2 DEC_PROM_FUNC_ADDR(34)
326     #define DEC_PROM_ATONUM DEC_PROM_FUNC_ADDR(35)
327     #define DEC_PROM_STRCMP DEC_PROM_FUNC_ADDR(36)
328     #define DEC_PROM_STRLEN DEC_PROM_FUNC_ADDR(37)
329     #define DEC_PROM_STRCPY DEC_PROM_FUNC_ADDR(38)
330     #define DEC_PROM_STRCAT DEC_PROM_FUNC_ADDR(39)
331     #define DEC_PROM_GETCMD DEC_PROM_FUNC_ADDR(40)
332     #define DEC_PROM_GETNUMS DEC_PROM_FUNC_ADDR(41)
333     #define DEC_PROM_ARGPARSE DEC_PROM_FUNC_ADDR(42)
334     #define DEC_PROM_HELP DEC_PROM_FUNC_ADDR(43)
335     #define DEC_PROM_DUMP DEC_PROM_FUNC_ADDR(44)
336     #define DEC_PROM_SETENV DEC_PROM_FUNC_ADDR(45)
337     #define DEC_PROM_UNSETENV DEC_PROM_FUNC_ADDR(46)
338     #define DEC_PROM_PRINTENV DEC_PROM_FUNC_ADDR(47)
339     #define DEC_PROM_JUMP2S8 DEC_PROM_FUNC_ADDR(48)
340     #define DEC_PROM_ENABLE DEC_PROM_FUNC_ADDR(49)
341     #define DEC_PROM_DISABLE DEC_PROM_FUNC_ADDR(50)
342     #define DEC_PROM_ZEROB DEC_PROM_FUNC_ADDR(51)
343     #define DEC_PROM_HALT DEC_PROM_FUNC_ADDR(54)
344     #define DEC_PROM_STARTCVAX DEC_PROM_FUNC_ADDR(97)
345    
346     /*
347     * The nonvolatile ram has a flag to indicate it is usable.
348     */
349     #define MACH_USE_NON_VOLATILE ((char *)0xbd0000c0)
350     #define MACH_NON_VOLATILE_FLAG 0x02
351    
352     #define DEC_REX_MAGIC 0x30464354 /* REX Magic number */
353    
354     #endif /* !_PMAX_DEC_PROM_H_ */

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