/[gxemul]/trunk/src/machines/machine_pmax.c
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Annotation of /trunk/src/machines/machine_pmax.c

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Revision 24 - (hide annotations)
Mon Oct 8 16:19:56 2007 UTC (16 years, 6 months ago) by dpavlin
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File size: 31009 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 22 /*
2     * Copyright (C) 2003-2006 Anders Gavare. All rights reserved.
3     *
4     * Redistribution and use in source and binary forms, with or without
5     * modification, are permitted provided that the following conditions are met:
6     *
7     * 1. Redistributions of source code must retain the above copyright
8     * notice, this list of conditions and the following disclaimer.
9     * 2. Redistributions in binary form must reproduce the above copyright
10     * notice, this list of conditions and the following disclaimer in the
11     * documentation and/or other materials provided with the distribution.
12     * 3. The name of the author may not be used to endorse or promote products
13     * derived from this software without specific prior written permission.
14     *
15     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18     * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25     * SUCH DAMAGE.
26     *
27     *
28 dpavlin 24 * $Id: machine_pmax.c,v 1.12 2006/06/16 18:31:26 debug Exp $
29     *
30     * DECstation ("PMAX") machine description.
31 dpavlin 22 */
32    
33     #include <stdio.h>
34     #include <stdlib.h>
35     #include <string.h>
36    
37     #include "cpu.h"
38     #include "device.h"
39     #include "devices.h"
40     #include "diskimage.h"
41     #include "machine.h"
42     #include "machine_interrupts.h"
43     #include "memory.h"
44     #include "misc.h"
45    
46     #include "dec_prom.h"
47     #include "dec_bootinfo.h"
48     #include "dec_5100.h"
49     #include "dec_kn01.h"
50     #include "dec_kn02.h"
51     #include "dec_kn03.h"
52     #include "dec_kmin.h"
53     #include "dec_maxine.h"
54    
55     #define BOOTARG_BUFLEN 2000
56    
57    
58     MACHINE_SETUP(pmax)
59     {
60     char *framebuffer_console_name, *serial_console_name, *init_bootpath;
61     int color_fb_flag, i;
62     int boot_scsi_boardnumber = 3, boot_net_boardnumber = 3;
63     char *turbochannel_default_gfx_card = "PMAG-BA";
64     /* PMAG-AA, -BA, -CA/DA/EA/FA, -JA, -RO, PMAGB-BA */
65     struct xx {
66     struct btinfo_magic a;
67     struct btinfo_bootpath b;
68     struct btinfo_symtab c;
69     } xx;
70     char tmpstr[1000];
71     struct vfb_data *fb;
72     struct memory *mem = machine->memory;
73     uint64_t addr;
74    
75     cpu->byte_order = EMUL_LITTLE_ENDIAN;
76    
77     /* An R2020 or R3220 memory thingy: */
78     cpu->cd.mips.coproc[3] = mips_coproc_new(cpu, 3);
79    
80     /* There aren't really any good standard values... */
81     framebuffer_console_name = "osconsole=0,3";
82     serial_console_name = "osconsole=1";
83    
84     switch (machine->machine_subtype) {
85    
86     case MACHINE_DEC_PMAX_3100: /* type 1, KN01 */
87     /* Supposed to have 12MHz or 16.67MHz R2000 CPU, R2010 FPC,
88     R2020 Memory coprocessor */
89     machine->machine_name = "DEC PMAX 3100 (KN01)";
90    
91     /* 12 MHz for 2100, 16.67 MHz for 3100 */
92     if (machine->emulated_hz == 0)
93     machine->emulated_hz = 16670000;
94    
95     if (machine->physical_ram_in_mb > 24)
96     fprintf(stderr, "WARNING! Real DECstation 3100 machines"
97     " cannot have more than 24MB RAM.\n");
98    
99     if ((machine->physical_ram_in_mb % 4) != 0)
100     fprintf(stderr, "WARNING! Real DECstation 3100 machines"
101     " have an integer multiple of 4 MBs of RAM.\n");
102    
103     /* 1 for color, 0 for mono. TODO: command line option? */
104     color_fb_flag = 1;
105    
106     /*
107     * According to NetBSD/pmax:
108     *
109     * pm0 at ibus0 addr 0xfc00000: 1024x864x1 (or x8 for color)
110     * dc0 at ibus0 addr 0x1c000000
111     * le0 at ibus0 addr 0x18000000: address 00:00:00:00:00:00
112     * sii0 at ibus0 addr 0x1a000000
113     * mcclock0 at ibus0 addr 0x1d000000: mc146818 or compatible
114     * 0x1e000000 = system status and control register
115     */
116     fb = dev_fb_init(machine, mem, KN01_PHYS_FBUF_START,
117     color_fb_flag? VFB_DEC_VFB02 : VFB_DEC_VFB01,
118     0,0,0,0,0, color_fb_flag? "VFB02":"VFB01");
119     dev_colorplanemask_init(mem, KN01_PHYS_COLMASK_START,
120     &fb->color_plane_mask);
121     dev_vdac_init(mem, KN01_SYS_VDAC, fb->rgb_palette,
122     color_fb_flag);
123     dev_le_init(machine, mem, KN01_SYS_LANCE,
124     KN01_SYS_LANCE_B_START, KN01_SYS_LANCE_B_END,
125     KN01_INT_LANCE, 4*1048576);
126     dev_sii_init(machine, mem, KN01_SYS_SII, KN01_SYS_SII_B_START,
127     KN01_SYS_SII_B_END, KN01_INT_SII);
128     dev_dc7085_init(machine, mem, KN01_SYS_DZ, KN01_INT_DZ,
129     machine->use_x11);
130     dev_mc146818_init(machine, mem, KN01_SYS_CLOCK, KN01_INT_CLOCK,
131     MC146818_DEC, 1);
132     dev_kn01_csr_init(mem, KN01_SYS_CSR, color_fb_flag);
133    
134     framebuffer_console_name = "osconsole=0,3"; /* fb,keyb */
135     serial_console_name = "osconsole=3"; /* 3 */
136     break;
137    
138     case MACHINE_DEC_3MAX_5000: /* type 2, KN02 */
139     /* Supposed to have 25MHz R3000 CPU, R3010 FPC, */
140     /* and a R3220 Memory coprocessor */
141     machine->machine_name = "DECstation 5000/200 (3MAX, KN02)";
142     machine->stable = 1;
143    
144     if (machine->emulated_hz == 0)
145     machine->emulated_hz = 25000000;
146    
147     if (machine->physical_ram_in_mb < 8)
148     fprintf(stderr, "WARNING! Real KN02 machines do not "
149     "have less than 8MB RAM. Continuing anyway.\n");
150     if (machine->physical_ram_in_mb > 480)
151     fprintf(stderr, "WARNING! Real KN02 machines cannot "
152     "have more than 480MB RAM. Continuing anyway.\n");
153    
154     /* An R3220 memory thingy: */
155     cpu->cd.mips.coproc[3] = mips_coproc_new(cpu, 3);
156    
157     /*
158     * According to NetBSD/pmax:
159     * asc0 at tc0 slot 5 offset 0x0
160     * le0 at tc0 slot 6 offset 0x0
161     * ibus0 at tc0 slot 7 offset 0x0
162     * dc0 at ibus0 addr 0x1fe00000
163     * mcclock0 at ibus0 addr 0x1fe80000: mc146818
164     *
165     * kn02 shared irq numbers (IP) are offset by +8
166     * in the emulator
167     */
168    
169     /* KN02 interrupts: */
170     machine->md_interrupt = kn02_interrupt;
171    
172     /*
173     * TURBOchannel slots 0, 1, and 2 are free for
174     * option cards. Let's put in zero or more graphics
175     * boards:
176     *
177     * TODO: It's also possible to have larger graphics
178     * cards that occupy several slots. How to solve
179     * this nicely?
180     */
181     dev_turbochannel_init(machine, mem, 0,
182     KN02_PHYS_TC_0_START, KN02_PHYS_TC_0_END,
183     machine->n_gfx_cards >= 1?
184     turbochannel_default_gfx_card : "",
185     KN02_IP_SLOT0 +8);
186    
187     dev_turbochannel_init(machine, mem, 1,
188     KN02_PHYS_TC_1_START, KN02_PHYS_TC_1_END,
189     machine->n_gfx_cards >= 2?
190     turbochannel_default_gfx_card : "",
191     KN02_IP_SLOT1 +8);
192    
193     dev_turbochannel_init(machine, mem, 2,
194     KN02_PHYS_TC_2_START, KN02_PHYS_TC_2_END,
195     machine->n_gfx_cards >= 3?
196     turbochannel_default_gfx_card : "",
197     KN02_IP_SLOT2 +8);
198    
199     /* TURBOchannel slots 3 and 4 are reserved. */
200    
201     /* TURBOchannel slot 5 is PMAZ-AA ("asc" SCSI). */
202     dev_turbochannel_init(machine, mem, 5,
203     KN02_PHYS_TC_5_START, KN02_PHYS_TC_5_END,
204     "PMAZ-AA", KN02_IP_SCSI +8);
205    
206     /* TURBOchannel slot 6 is PMAD-AA ("le" ethernet). */
207     dev_turbochannel_init(machine, mem, 6,
208     KN02_PHYS_TC_6_START, KN02_PHYS_TC_6_END,
209     "PMAD-AA", KN02_IP_LANCE +8);
210    
211     /* TURBOchannel slot 7 is system stuff. */
212     machine->main_console_handle =
213     dev_dc7085_init(machine, mem,
214     KN02_SYS_DZ, KN02_IP_DZ +8, machine->use_x11);
215     dev_mc146818_init(machine, mem,
216     KN02_SYS_CLOCK, KN02_INT_CLOCK, MC146818_DEC, 1);
217    
218     machine->md_int.kn02_csr =
219     dev_kn02_init(cpu, mem, KN02_SYS_CSR);
220    
221     framebuffer_console_name = "osconsole=0,7";
222     /* fb,keyb */
223     serial_console_name = "osconsole=2";
224     boot_scsi_boardnumber = 5;
225     boot_net_boardnumber = 6; /* TODO: 3? */
226     break;
227    
228     case MACHINE_DEC_3MIN_5000: /* type 3, KN02BA */
229     machine->machine_name = "DECstation 5000/112 or 145 (3MIN,"
230     " KN02BA)";
231     if (machine->emulated_hz == 0)
232     machine->emulated_hz = 33000000;
233     if (machine->physical_ram_in_mb > 128)
234     fprintf(stderr, "WARNING! Real 3MIN machines cannot "
235     "have more than 128MB RAM. Continuing anyway.\n");
236    
237     /* KMIN interrupts: */
238     machine->md_interrupt = kmin_interrupt;
239    
240     /*
241 dpavlin 24 * tc0 at mainbus0: 12.5 MHz clock (0x10000000,slotsize=64MB)
242 dpavlin 22 * tc slot 1: 0x14000000
243     * tc slot 2: 0x18000000
244 dpavlin 24 * ioasic0 at tc0 slot 3 offset 0x0 (0x1c000000) slot 0
245     * asic regs (0x1c040000) slot 1
246     * station's ether address (0x1c080000) slot 2
247     * le0 at ioasic0 offset 0xc0000: address 00:00:00:00:00:00
248     * (0x1c0c0000) slot 3
249     * scc0 at ioasic0 offset 0x100000 (0x1c100000) slot 4
250     * scc1 at ioasic0 offset 0x180000: console(0x1c180000) slot 6
251     * mcclock0 at ioasic0 offset 0x200000: mc146818 or
252     * compatible (0x1c200000) slot 8
253     * asc0 at ioasic0 offset 0x300000: NCR53C94, 25MHz,
254     * SCSI ID 7 (0x1c300000) slot 12
255     * dma for asc0 (0x1c380000) slot 14
256 dpavlin 22 */
257 dpavlin 24 machine->md_int.dec_ioasic_data = dev_dec_ioasic_init(cpu,
258     mem, 0x1c000000, 0);
259     dev_le_init(machine, mem, 0x1c0c0000, 0, 0, KMIN_INTR_LANCE + 8,
260     4 * 65536);
261     dev_scc_init(machine, mem, 0x1c100000, KMIN_INTR_SCC_0 + 8,
262     machine->use_x11, 0, 1);
263     dev_scc_init(machine, mem, 0x1c180000, KMIN_INTR_SCC_1 + 8,
264     machine->use_x11, 1, 1);
265     dev_mc146818_init(machine, mem, 0x1c200000, KMIN_INTR_CLOCK + 8,
266     MC146818_DEC, 1);
267 dpavlin 22 dev_asc_init(machine, mem, 0x1c300000, KMIN_INTR_SCSI +8,
268     NULL, DEV_ASC_DEC, NULL, NULL);
269    
270     /*
271     * TURBOchannel slots 0, 1, and 2 are free for
272     * option cards. These are by default filled with
273     * zero or more graphics boards.
274     *
275     * TODO: irqs
276     */
277     dev_turbochannel_init(machine, mem, 0, 0x10000000, 0x103fffff,
278     machine->n_gfx_cards >= 1?
279     turbochannel_default_gfx_card : "", KMIN_INT_TC0);
280    
281     dev_turbochannel_init(machine, mem, 1, 0x14000000, 0x143fffff,
282     machine->n_gfx_cards >= 2?
283     turbochannel_default_gfx_card : "", KMIN_INT_TC1);
284    
285     dev_turbochannel_init(machine, mem, 2, 0x18000000, 0x183fffff,
286     machine->n_gfx_cards >= 3?
287     turbochannel_default_gfx_card : "", KMIN_INT_TC2);
288    
289 dpavlin 24 /* (kmin shared irq numbers (IP) are offset by +8 in the
290     emulator) */
291 dpavlin 22 /* kmin_csr = dev_kmin_init(cpu, mem, KMIN_REG_INTR); */
292    
293 dpavlin 24 framebuffer_console_name = "osconsole=0,3"; /* fb,keyb(?) */
294     serial_console_name = "osconsole=3"; /* ? */
295 dpavlin 22 break;
296    
297     case MACHINE_DEC_3MAXPLUS_5000: /* type 4, KN03 */
298     machine->machine_name = "DECsystem 5900 or 5000 (3MAX+) (KN03)";
299    
300     /* 5000/240 (KN03-GA, R3000): 40 MHz */
301     /* 5000/260 (KN05-NB, R4000): 60 MHz */
302     /* TODO: are both these type 4? */
303     if (machine->emulated_hz == 0)
304     machine->emulated_hz = 40000000;
305     if (machine->physical_ram_in_mb > 480)
306     fprintf(stderr, "WARNING! Real KN03 machines cannot "
307     "have more than 480MB RAM. Continuing anyway.\n");
308    
309     /* KN03 interrupts: */
310     machine->md_interrupt = kn03_interrupt;
311    
312     /*
313 dpavlin 24 * tc0 at mainbus0: 25 MHz clock (slot 0) (0x1e000000)
314     * tc0 slot 1 (0x1e800000)
315     * tc0 slot 2 (0x1f000000)
316     * ioasic0 at tc0 slot 3 offset 0x0 (0x1f800000)
317     * something that has to do with interrupts? (?)(0x1f840000?)
318     * le0 at ioasic0 offset 0xc0000 (0x1f8c0000)
319     * scc0 at ioasic0 offset 0x100000 (0x1f900000)
320     * scc1 at ioasic0 offset 0x180000: console (0x1f980000)
321     * mcclock0 at ioasic0 offset 0x200000: mc146818 or
322     * compatible (0x1fa00000)
323     * asc0 at ioasic0 offset 0x300000: NCR53C94, 25MHz,
324     * SCSI ID 7 (0x1fb00000)
325 dpavlin 22 */
326 dpavlin 24 machine->md_int.dec_ioasic_data = dev_dec_ioasic_init(cpu,
327     mem, 0x1f800000, 0);
328 dpavlin 22
329 dpavlin 24 dev_le_init(machine, mem, KN03_SYS_LANCE, 0, 0,
330     KN03_INTR_LANCE +8, 4 * 65536);
331 dpavlin 22
332 dpavlin 24 machine->md_int.dec_ioasic_data->dma_func[3] =
333     dev_scc_dma_func;
334     machine->md_int.dec_ioasic_data->dma_func_extra[2] =
335     dev_scc_init(machine, mem, KN03_SYS_SCC_0,
336     KN03_INTR_SCC_0 +8, machine->use_x11, 0, 1);
337     machine->md_int.dec_ioasic_data->dma_func[2] =
338     dev_scc_dma_func;
339     machine->md_int.dec_ioasic_data->dma_func_extra[3] =
340     dev_scc_init(machine, mem, KN03_SYS_SCC_1,
341     KN03_INTR_SCC_1 +8, machine->use_x11, 1, 1);
342 dpavlin 22
343 dpavlin 24 dev_mc146818_init(machine, mem, KN03_SYS_CLOCK, KN03_INT_RTC,
344     MC146818_DEC, 1);
345 dpavlin 22 dev_asc_init(machine, mem, KN03_SYS_SCSI,
346     KN03_INTR_SCSI +8, NULL, DEV_ASC_DEC, NULL, NULL);
347    
348     /*
349     * TURBOchannel slots 0, 1, and 2 are free for
350     * option cards. These are by default filled with
351     * zero or more graphics boards.
352     *
353     * TODO: irqs
354     */
355     dev_turbochannel_init(machine, mem, 0,
356     KN03_PHYS_TC_0_START, KN03_PHYS_TC_0_END,
357     machine->n_gfx_cards >= 1?
358     turbochannel_default_gfx_card : "",
359     KN03_INTR_TC_0 +8);
360    
361     dev_turbochannel_init(machine, mem, 1,
362     KN03_PHYS_TC_1_START, KN03_PHYS_TC_1_END,
363     machine->n_gfx_cards >= 2?
364     turbochannel_default_gfx_card : "",
365     KN03_INTR_TC_1 +8);
366    
367     dev_turbochannel_init(machine, mem, 2,
368     KN03_PHYS_TC_2_START, KN03_PHYS_TC_2_END,
369     machine->n_gfx_cards >= 3?
370     turbochannel_default_gfx_card : "",
371     KN03_INTR_TC_2 +8);
372    
373     /* TODO: interrupts */
374     /* shared (turbochannel) interrupts are +8 */
375    
376 dpavlin 24 framebuffer_console_name = "osconsole=0,3"; /* fb,keyb(?) */
377     serial_console_name = "osconsole=3"; /* ? */
378 dpavlin 22 break;
379    
380     case MACHINE_DEC_5800: /* type 5, KN5800 */
381     machine->machine_name = "DECsystem 5800";
382    
383     /* TODO: this is incorrect, banks multiply by 8 etc */
384     if (machine->physical_ram_in_mb < 48)
385     fprintf(stderr, "WARNING! 5800 will probably not run "
386     "with less than 48MB RAM. Continuing anyway.\n");
387    
388     /*
389 dpavlin 24 * According to
390     * http://www2.no.netbsd.org/Ports/pmax/models.html,
391 dpavlin 22 * the 5800-series is based on VAX 6000/300.
392     */
393    
394     /*
395     * Ultrix might support SMP on this machine type.
396     *
397     * Something at 0x10000000.
398 dpavlin 24 * ssc serial console at 0x10140000, interrupt 2 (shared
399     * with XMI?).
400 dpavlin 22 * xmi 0 at address 0x11800000 (node x at offset x*0x80000)
401     * Clock uses interrupt 3 (shared with XMI?).
402     */
403    
404 dpavlin 24 machine->md_int.dec5800_csr = dev_dec5800_init(machine,
405     mem, 0x10000000);
406 dpavlin 22 dev_decbi_init(mem, 0x10000000);
407 dpavlin 24 dev_ssc_init(machine, mem, 0x10140000, 2, machine->use_x11,
408     &machine->md_int.dec5800_csr->csr);
409 dpavlin 22 dev_decxmi_init(mem, 0x11800000);
410     dev_deccca_init(mem, DEC_DECCCA_BASEADDR);
411    
412     break;
413    
414     case MACHINE_DEC_5400: /* type 6, KN210 */
415     machine->machine_name = "DECsystem 5400 (KN210)";
416     /*
417     * Misc. info from the KN210 manual:
418     *
419     * Interrupt lines:
420     * irq5 fpu
421     * irq4 halt
422     * irq3 pwrfl -> mer1 -> mer0 -> wear
423     * irq2 100 Hz -> birq7
424     * irq1 dssi -> ni -> birq6
425     * irq0 birq5 -> console -> timers -> birq4
426     *
427     * Interrupt status register at 0x10048000.
428     * Main memory error status register at 0x1008140.
429     * Interval Timer Register (ITR) at 0x10084010.
430     * Q22 stuff at 0x10088000 - 0x1008ffff.
431     * TODR at 0x1014006c.
432     * TCR0 (timer control register 0) 0x10140100.
433     * TIR0 (timer interval register 0) 0x10140104.
434     * TCR1 (timer control register 1) 0x10140110.
435     * TIR1 (timer interval register 1) 0x10140114.
436     * VRR0 (Vector Read Register 0) at 0x16000050.
437     * VRR1 (Vector Read Register 1) at 0x16000054.
438     * VRR2 (Vector Read Register 2) at 0x16000058.
439     * VRR3 (Vector Read Register 3) at 0x1600005c.
440     */
441     /* ln (ethernet) at 0x10084x00 ? and 0x10120000 ? */
442     /* error registers (?) at 0x17000000 and 0x10080000 */
443     device_add(machine, "kn210 addr=0x10080000");
444 dpavlin 24 dev_ssc_init(machine, mem, 0x10140000, 0,
445     machine->use_x11, NULL); /* TODO: not irq 0 */
446 dpavlin 22 break;
447    
448     case MACHINE_DEC_MAXINE_5000: /* type 7, KN02CA */
449     machine->machine_name = "Personal DECstation 5000/xxx "
450     "(MAXINE) (KN02CA)";
451     if (machine->emulated_hz == 0)
452     machine->emulated_hz = 33000000;
453    
454     if (machine->physical_ram_in_mb < 8)
455     fprintf(stderr, "WARNING! Real KN02CA machines do not "
456     "have less than 8MB RAM. Continuing anyway.\n");
457     if (machine->physical_ram_in_mb > 40)
458     fprintf(stderr, "WARNING! Real KN02CA machines cannot "
459     "have more than 40MB RAM. Continuing anyway.\n");
460    
461     /* Maxine interrupts: */
462     machine->md_interrupt = maxine_interrupt;
463    
464     /*
465     * Something at address 0xca00000. (?)
466     * Something at address 0xe000000. (?)
467 dpavlin 24 * tc0 slot 0 (0x10000000)
468     * tc0 slot 1 (0x14000000)
469 dpavlin 22 * (tc0 slot 2 used by the framebuffer)
470 dpavlin 24 * ioasic0 at tc0 slot 3 offset 0x0 (0x1c000000)
471     * le0 at ioasic0 offset 0xc0000: address 00:00:00:00:00:00
472     * (0x1c0c0000)
473     * scc0 at ioasic0 offset 0x100000: console <-- serial
474     * (0x1c100000)
475     * mcclock0 at ioasic0 offset 0x200000: mc146818 (0x1c200000)
476     * isdn at ioasic0 offset 0x240000 not configured (0x1c240000)
477     * bba0 at ioasic0 offset 0x240000 (audio0 at bba0)
478     * ^--- which one of isdn and bba0?
479     * dtop0 at ioasic0 offset 0x280000 (0x1c280000)
480     * fdc at ioasic0 offset 0x2c0000 not configured
481     * ^-- floppy (0x1c2c0000)
482     * asc0 at ioasic0 offset 0x300000: NCR53C94, 25MHz, SCSI
483     * ID 7 (0x1c300000)
484     * xcfb0 at tc0 slot 2 offset 0x0: 1024x768x8
485     * built-in framebuffer (0xa000000)
486 dpavlin 22 */
487 dpavlin 24 machine->md_int.dec_ioasic_data =
488     dev_dec_ioasic_init(cpu, mem, 0x1c000000, 0);
489 dpavlin 22
490     /* TURBOchannel slots (0 and 1): */
491     dev_turbochannel_init(machine, mem, 0,
492     0x10000000, 0x103fffff,
493     machine->n_gfx_cards >= 2?
494     turbochannel_default_gfx_card : "",
495     XINE_INTR_TC_0 +8);
496     dev_turbochannel_init(machine, mem, 1,
497     0x14000000, 0x143fffff,
498     machine->n_gfx_cards >= 3?
499     turbochannel_default_gfx_card : "",
500     XINE_INTR_TC_1 +8);
501    
502     /*
503     * TURBOchannel slot 2 is hardwired to be used by
504     * the framebuffer: (NOTE: 0x8000000, not 0x18000000)
505     */
506     dev_turbochannel_init(machine, mem, 2,
507     0x8000000, 0xbffffff, "PMAG-DV", 0);
508    
509     /*
510     * TURBOchannel slot 3: fixed, ioasic
511     * (the system stuff), 0x1c000000
512     */
513     dev_le_init(machine, mem, 0x1c0c0000, 0, 0,
514     XINE_INTR_LANCE +8, 4*65536);
515     dev_scc_init(machine, mem, 0x1c100000,
516     XINE_INTR_SCC_0 +8, machine->use_x11, 0, 1);
517     dev_mc146818_init(machine, mem, 0x1c200000,
518     XINE_INT_TOY, MC146818_DEC, 1);
519     dev_asc_init(machine, mem, 0x1c300000,
520     XINE_INTR_SCSI +8, NULL, DEV_ASC_DEC, NULL, NULL);
521    
522 dpavlin 24 framebuffer_console_name = "osconsole=3,2"; /* keyb,fb? */
523 dpavlin 22 serial_console_name = "osconsole=3";
524     break;
525    
526     case MACHINE_DEC_5500: /* type 11, KN220 */
527     machine->machine_name = "DECsystem 5500 (KN220)";
528    
529     /*
530     * According to NetBSD's pmax ports page:
531     * KN220-AA is a "30 MHz R3000 CPU with R3010 FPU"
532     * with "512 kBytes of Prestoserve battery backed RAM."
533     */
534     if (machine->emulated_hz == 0)
535     machine->emulated_hz = 30000000;
536    
537     /*
538     * See KN220 docs for more info.
539     *
540     * something at 0x10000000
541     * something at 0x10001000
542     * something at 0x10040000
543     * scc at 0x10140000
544     * qbus at (or around) 0x10080000
545 dpavlin 24 * dssi (disk controller) buffers at 0x10100000,
546     * registers at 0x10160000.
547     * sgec (ethernet) registers at 0x10008000, station
548     * addresss at 0x10120000.
549 dpavlin 22 * asc (scsi) at 0x17100000.
550     */
551    
552 dpavlin 24 dev_ssc_init(machine, mem, 0x10140000, 0,
553     machine->use_x11, NULL); /* TODO: not irq 0 */
554 dpavlin 22
555 dpavlin 24 /* something at 0x17000000, ultrix says "cpu 0 panic: "
556     "DS5500 I/O Board is missing" if this is not here */
557 dpavlin 22 dev_dec5500_ioboard_init(cpu, mem, 0x17000000);
558    
559     dev_sgec_init(mem, 0x10008000, 0); /* irq? */
560    
561     /* The asc controller might be TURBOchannel-ish? */
562     #if 0
563 dpavlin 24 dev_turbochannel_init(machine, mem, 0, 0x17100000,
564     0x171fffff, "PMAZ-AA", 0); /* irq? */
565 dpavlin 22 #else
566 dpavlin 24 dev_asc_init(machine, mem, 0x17100000, 0, NULL,
567     DEV_ASC_DEC, NULL, NULL); /* irq? */
568 dpavlin 22 #endif
569    
570     framebuffer_console_name = "osconsole=0,0"; /* TODO (?) */
571     serial_console_name = "osconsole=0";
572     break;
573    
574     case MACHINE_DEC_MIPSMATE_5100: /* type 12 */
575     machine->machine_name = "DEC MIPSMATE 5100 (KN230)";
576    
577     if (machine->emulated_hz == 0)
578     machine->emulated_hz = 20000000;
579    
580     if (machine->physical_ram_in_mb > 128)
581     fprintf(stderr, "WARNING! Real MIPSMATE 5100 machines "
582     "cannot have more than 128MB RAM. Continuing"
583     " anyway.\n");
584    
585     if (machine->use_x11)
586     fprintf(stderr, "WARNING! Real MIPSMATE 5100 machines "
587     "cannot have a graphical framebuffer. "
588     "Continuing anyway.\n");
589    
590     /* KN230 interrupts: */
591     machine->md_interrupt = kn230_interrupt;
592    
593     /*
594     * According to NetBSD/pmax:
595     * dc0 at ibus0 addr 0x1c000000
596     * le0 at ibus0 addr 0x18000000: address 00:00:00:00:00:00
597     * sii0 at ibus0 addr 0x1a000000
598     */
599 dpavlin 24 dev_mc146818_init(machine, mem, KN230_SYS_CLOCK, 4,
600     MC146818_DEC, 1);
601     dev_dc7085_init(machine, mem, KN230_SYS_DZ0,
602     KN230_CSR_INTR_DZ0, machine->use_x11);/* NOTE: CSR_INTR */
603     /* dev_dc7085_init(machine, mem, KN230_SYS_DZ1,
604     KN230_CSR_INTR_OPT0, machine->use_x11);
605     NOTE: CSR_INTR */
606     /* dev_dc7085_init(machine, mem, KN230_SYS_DZ2,
607     KN230_CSR_INTR_OPT1, machine->use_x11);
608     NOTE: CSR_INTR */
609     dev_le_init(machine, mem, KN230_SYS_LANCE,
610     KN230_SYS_LANCE_B_START, KN230_SYS_LANCE_B_END,
611     KN230_CSR_INTR_LANCE, 4*1048576);
612     dev_sii_init(machine, mem, KN230_SYS_SII,
613     KN230_SYS_SII_B_START, KN230_SYS_SII_B_END,
614     KN230_CSR_INTR_SII);
615 dpavlin 22
616     snprintf(tmpstr, sizeof(tmpstr),
617 dpavlin 24 "kn230 addr=0x%"PRIx64, (uint64_t) KN230_SYS_ICSR);
618 dpavlin 22 machine->md_int.kn230_csr = device_add(machine, tmpstr);
619    
620     serial_console_name = "osconsole=0";
621     break;
622    
623     default:fatal("Unknown DEC machine type: %i\n",
624     machine->machine_subtype);
625     exit(1);
626     }
627    
628     /*
629     * Most OSes on DECstation use physical addresses below
630     * 0x20000000, but both OSF/1 and Sprite use 0xbe...... as if
631     * it was 0x1e......, so we need this hack:
632     */
633     dev_ram_init(machine, 0xa0000000, 0x20000000,
634     DEV_RAM_MIRROR | DEV_RAM_MIGHT_POINT_TO_DEVICES, 0x0);
635    
636     if (!machine->prom_emulation)
637     return;
638    
639    
640     /* DECstation PROM stuff: (TODO: endianness) */
641 dpavlin 24 for (i=0; i<150; i++)
642 dpavlin 22 store_32bit_word(cpu, DEC_PROM_CALLBACK_STRUCT + i*4,
643     DEC_PROM_EMULATION + i*8);
644    
645 dpavlin 24 /* Fill PROM with special "magic trap" instructions: */
646     for (i=0; i<150; i++) {
647 dpavlin 22 store_32bit_word(cpu, DEC_PROM_EMULATION + i*8,
648 dpavlin 24 0x00c0de0c); /* trap instruction */
649 dpavlin 22 store_32bit_word(cpu, DEC_PROM_EMULATION + i*8 + 4,
650     0x00000000); /* nop */
651     }
652    
653 dpavlin 24 /* Jumptable at beginning of PROM: also "magic trap" instructions: */
654     for (i=0; i<0x180; i+=8) {
655     store_32bit_word(cpu, 0xbfc00000 + i,
656     0x00c0de0c); /* trap instruction */
657     store_32bit_word(cpu, 0xbfc00000 + i + 4,
658     0x00000000); /* nop */
659     }
660    
661    
662 dpavlin 22 /*
663     * According to dec_prom.h from NetBSD:
664     *
665     * "Programs loaded by the new PROMs pass the following arguments:
666     * a0 argc
667     * a1 argv
668     * a2 DEC_PROM_MAGIC
669     * a3 The callback vector defined below"
670     *
671     * So we try to emulate a PROM, even though no such thing has been
672     * loaded.
673     */
674    
675     cpu->cd.mips.gpr[MIPS_GPR_A0] = 3;
676     cpu->cd.mips.gpr[MIPS_GPR_A1] = DEC_PROM_INITIAL_ARGV;
677     cpu->cd.mips.gpr[MIPS_GPR_A2] = DEC_PROM_MAGIC;
678     cpu->cd.mips.gpr[MIPS_GPR_A3] = DEC_PROM_CALLBACK_STRUCT;
679    
680     store_32bit_word(cpu, INITIAL_STACK_POINTER + 0x10, BOOTINFO_MAGIC);
681     store_32bit_word(cpu, INITIAL_STACK_POINTER + 0x14, BOOTINFO_ADDR);
682    
683     store_32bit_word(cpu, DEC_PROM_INITIAL_ARGV,
684     (DEC_PROM_INITIAL_ARGV + 0x10));
685     store_32bit_word(cpu, DEC_PROM_INITIAL_ARGV+4,
686     (DEC_PROM_INITIAL_ARGV + 0x70));
687     store_32bit_word(cpu, DEC_PROM_INITIAL_ARGV+8,
688     (DEC_PROM_INITIAL_ARGV + 0xe0));
689     store_32bit_word(cpu, DEC_PROM_INITIAL_ARGV+12, 0);
690    
691     /*
692     * NetBSD and Ultrix expect the boot args to be like this:
693     *
694     * "boot" "bootdev" [args?]
695     *
696     * where bootdev is supposed to be "rz(0,0,0)netbsd" for
697     * 3100/2100 (although that crashes Ultrix :-/), and
698     * "5/rz0a/netbsd" for all others. The number '5' is the
699     * slot number of the boot device.
700     *
701     * 'rz' for disks, 'tz' for tapes.
702     *
703     * TODO: Make this nicer.
704     */
705     {
706     char bootpath[200];
707     #if 0
708     if (machine->machine_subtype == MACHINE_DEC_PMAX_3100)
709     strlcpy(bootpath, "rz(0,0,0)", sizeof(bootpath));
710     else
711     #endif
712     strlcpy(bootpath, "5/rz1/", sizeof(bootpath));
713    
714     if (machine->bootdev_id < 0 || machine->force_netboot) {
715     /* tftp boot: */
716     strlcpy(bootpath, "5/tftp/", sizeof(bootpath));
717     bootpath[0] = '0' + boot_net_boardnumber;
718     } else {
719     /* disk boot: */
720     bootpath[0] = '0' + boot_scsi_boardnumber;
721     if (diskimage_is_a_tape(machine, machine->bootdev_id,
722     machine->bootdev_type))
723     bootpath[2] = 't';
724     bootpath[4] = '0' + machine->bootdev_id;
725     }
726    
727     init_bootpath = bootpath;
728     }
729    
730     machine->bootarg = malloc(BOOTARG_BUFLEN);
731     if (machine->bootarg == NULL) {
732     fprintf(stderr, "out of memory\n");
733     exit(1);
734     }
735     strlcpy(machine->bootarg, init_bootpath, BOOTARG_BUFLEN);
736     if (strlcat(machine->bootarg, machine->boot_kernel_filename,
737     BOOTARG_BUFLEN) > BOOTARG_BUFLEN) {
738     fprintf(stderr, "bootarg truncated?\n");
739     exit(1);
740     }
741    
742     machine->bootstr = "boot";
743    
744     store_string(cpu, DEC_PROM_INITIAL_ARGV+0x10, machine->bootstr);
745     store_string(cpu, DEC_PROM_INITIAL_ARGV+0x70, machine->bootarg);
746     store_string(cpu, DEC_PROM_INITIAL_ARGV+0xe0,
747     machine->boot_string_argument);
748    
749     /* Decrease the nr of args, if there are no args :-) */
750     if (machine->boot_string_argument == NULL ||
751     machine->boot_string_argument[0] == '\0')
752     cpu->cd.mips.gpr[MIPS_GPR_A0] --;
753    
754     if (machine->boot_string_argument[0] != '\0') {
755     strlcat(machine->bootarg, " ", BOOTARG_BUFLEN);
756     if (strlcat(machine->bootarg, machine->boot_string_argument,
757     BOOTARG_BUFLEN) >= BOOTARG_BUFLEN) {
758     fprintf(stderr, "bootstr truncated?\n");
759     exit(1);
760     }
761     }
762    
763     xx.a.common.next = (char *)&xx.b - (char *)&xx;
764     xx.a.common.type = BTINFO_MAGIC;
765     xx.a.magic = BOOTINFO_MAGIC;
766    
767     xx.b.common.next = (char *)&xx.c - (char *)&xx.b;
768     xx.b.common.type = BTINFO_BOOTPATH;
769     strlcpy(xx.b.bootpath, machine->bootstr, sizeof(xx.b.bootpath));
770    
771     xx.c.common.next = 0;
772     xx.c.common.type = BTINFO_SYMTAB;
773     xx.c.nsym = 0;
774     xx.c.ssym = 0;
775     xx.c.esym = machine->file_loaded_end_addr;
776    
777     store_buf(cpu, BOOTINFO_ADDR, (char *)&xx, sizeof(xx));
778    
779 dpavlin 24 /* The system's memmap: */
780     machine->md.pmax.memmap = malloc(sizeof(struct dec_memmap));
781     if (machine->md.pmax.memmap == NULL) {
782     fprintf(stderr, "out of memory\n");
783     exit(1);
784     }
785 dpavlin 22 store_32bit_word_in_host(cpu,
786 dpavlin 24 (unsigned char *)&machine->md.pmax.memmap->pagesize, 4096);
787 dpavlin 22 {
788     unsigned int i;
789 dpavlin 24 for (i=0; i<sizeof(machine->md.pmax.memmap->bitmap); i++)
790     machine->md.pmax.memmap->bitmap[i] = ((int)i * 4096*8 <
791 dpavlin 22 1048576*machine->physical_ram_in_mb)? 0xff : 0x00;
792     }
793 dpavlin 24 store_buf(cpu, DEC_MEMMAP_ADDR,
794     (char *)machine->md.pmax.memmap, sizeof(struct dec_memmap));
795 dpavlin 22
796     /* Environment variables: */
797     addr = DEC_PROM_STRINGS;
798    
799     if (machine->use_x11 && machine->n_gfx_cards > 0)
800     /* (0,3) Keyboard and Framebuffer */
801     add_environment_string(cpu, framebuffer_console_name, &addr);
802     else
803     /* Serial console */
804     add_environment_string(cpu, serial_console_name, &addr);
805    
806     /*
807     * The KN5800 (SMP system) uses a CCA (console communications
808     * area): (See VAX 6000 documentation for details.)
809     */
810     {
811     char tmps[300];
812 dpavlin 24 snprintf(tmps, sizeof(tmps), "cca=%"PRIx32,
813     (uint32_t) (DEC_DECCCA_BASEADDR + 0xa0000000ULL));
814 dpavlin 22 add_environment_string(cpu, tmps, &addr);
815     }
816    
817     /* These are needed for Sprite to boot: */
818     {
819     char tmps[500];
820    
821     snprintf(tmps, sizeof(tmps), "boot=%s", machine->bootarg);
822     tmps[sizeof(tmps)-1] = '\0';
823     add_environment_string(cpu, tmps, &addr);
824    
825 dpavlin 24 snprintf(tmps, sizeof(tmps), "bitmap=0x%"PRIx32, (uint32_t)
826     ( (DEC_MEMMAP_ADDR + sizeof(uint32_t) /* skip the
827     page size and point to the memmap */
828     ) & 0xffffffffULL) );
829 dpavlin 22 tmps[sizeof(tmps)-1] = '\0';
830     add_environment_string(cpu, tmps, &addr);
831    
832 dpavlin 24 snprintf(tmps, sizeof(tmps), "bitmaplen=0x%"PRIx32, (uint32_t)
833     ( machine->physical_ram_in_mb * 1048576 / 4096 / 8) );
834 dpavlin 22 tmps[sizeof(tmps)-1] = '\0';
835     add_environment_string(cpu, tmps, &addr);
836     }
837    
838     add_environment_string(cpu, "scsiid0=7", &addr);
839     add_environment_string(cpu, "bootmode=a", &addr);
840     add_environment_string(cpu, "testaction=q", &addr);
841     add_environment_string(cpu, "haltaction=h", &addr);
842     add_environment_string(cpu, "more=24", &addr);
843    
844     /* Used in at least Ultrix on the 5100: */
845     add_environment_string(cpu, "scsiid=7", &addr);
846     add_environment_string(cpu, "baud0=9600", &addr);
847     add_environment_string(cpu, "baud1=9600", &addr);
848     add_environment_string(cpu, "baud2=9600", &addr);
849     add_environment_string(cpu, "baud3=9600", &addr);
850     add_environment_string(cpu, "iooption=0x1", &addr);
851    
852     /* The end: */
853     add_environment_string(cpu, "", &addr);
854     }
855    
856    
857     MACHINE_DEFAULT_CPU(pmax)
858     {
859     if (machine->machine_subtype > 2)
860     machine->cpu_name = strdup("R3000A");
861    
862     if (machine->machine_subtype > 1 && machine->cpu_name == NULL)
863     machine->cpu_name = strdup("R3000");
864    
865     if (machine->cpu_name == NULL)
866     machine->cpu_name = strdup("R2000");
867     }
868    
869    
870     MACHINE_DEFAULT_RAM(pmax)
871     {
872     switch (machine->machine_subtype) {
873     case MACHINE_DEC_PMAX_3100:
874     machine->physical_ram_in_mb = 24;
875     break;
876     case MACHINE_DEC_3MAX_5000:
877     machine->physical_ram_in_mb = 64;
878     break;
879     default:machine->physical_ram_in_mb = 32;
880     }
881     }
882    
883    
884     MACHINE_REGISTER(pmax)
885     {
886     MR_DEFAULT(pmax, "DECstation/DECsystem", ARCH_MIPS, MACHINE_PMAX, 3, 9);
887    
888     me->aliases[0] = "decstation";
889     me->aliases[1] = "decsystem";
890     me->aliases[2] = "dec";
891     me->subtype[0] = machine_entry_subtype_new(
892     "DECstation 3100 (PMAX)", MACHINE_DEC_PMAX_3100, 3);
893     me->subtype[0]->aliases[0] = "pmax";
894     me->subtype[0]->aliases[1] = "3100";
895     me->subtype[0]->aliases[2] = "2100";
896    
897     me->subtype[1] = machine_entry_subtype_new(
898     "DECstation 5000/200 (3MAX)", MACHINE_DEC_3MAX_5000, 2);
899     me->subtype[1]->aliases[0] = "3max";
900     me->subtype[1]->aliases[1] = "5000/200";
901    
902     me->subtype[2] = machine_entry_subtype_new(
903     "DECstation 5000/1xx (3MIN)", MACHINE_DEC_3MIN_5000, 2);
904     me->subtype[2]->aliases[0] = "3min";
905     me->subtype[2]->aliases[1] = "5000/1xx";
906    
907     me->subtype[3] = machine_entry_subtype_new(
908     "DECstation 5000 (3MAXPLUS)", MACHINE_DEC_3MAXPLUS_5000, 2);
909     me->subtype[3]->aliases[0] = "3maxplus";
910     me->subtype[3]->aliases[1] = "3max+";
911    
912     me->subtype[4] = machine_entry_subtype_new(
913     "DECsystem 58x0", MACHINE_DEC_5800, 2);
914     me->subtype[4]->aliases[0] = "5800";
915     me->subtype[4]->aliases[1] = "58x0";
916    
917     me->subtype[5] = machine_entry_subtype_new(
918     "DECsystem 5400", MACHINE_DEC_5400, 1);
919     me->subtype[5]->aliases[0] = "5400";
920    
921     me->subtype[6] = machine_entry_subtype_new(
922     "DECstation Maxine (5000)", MACHINE_DEC_MAXINE_5000, 1);
923     me->subtype[6]->aliases[0] = "maxine";
924    
925     me->subtype[7] = machine_entry_subtype_new(
926     "DECsystem 5500", MACHINE_DEC_5500, 1);
927     me->subtype[7]->aliases[0] = "5500";
928    
929     me->subtype[8] = machine_entry_subtype_new(
930     "DECstation MipsMate (5100)", MACHINE_DEC_MIPSMATE_5100, 2);
931     me->subtype[8]->aliases[0] = "5100";
932     me->subtype[8]->aliases[1] = "mipsmate";
933    
934     me->set_default_ram = machine_default_ram_pmax;
935    
936     machine_entry_add(me, ARCH_MIPS);
937     }
938    
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