/[gxemul]/trunk/src/include/cpu_sparc.h
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Contents of /trunk/src/include/cpu_sparc.h

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Revision 30 - (show annotations)
Mon Oct 8 16:20:40 2007 UTC (13 years, 3 months ago) by dpavlin
File MIME type: text/plain
File size: 11280 byte(s)
++ trunk/HISTORY	(local)
$Id: HISTORY,v 1.1325 2006/08/15 15:38:37 debug Exp $
20060723	More Transputer instructions (pfix, nfix, opr, mint, ldl, ldlp,
		eqc, rev, ajw, stl, stlf, sthf, sub, ldnl, ldnlp, ldpi, move,
		wcnt, add, bcnt).
		Adding more SPARC instructions (andcc, addcc, bl, rdpr).
		Progress on the igsfb framebuffer used by NetBSD/netwinder.
		Enabling 8-bit fills in dev_fb.
		NetBSD/netwinder 3.0.1 can now run from a disk image :-)
20060724	Cleanup/performance fix for 64-bit virtual translation table
		updates (by removing the "timestamp" stuff). A full NetBSD/pmax
		3.0.1 install for R4400 has dropped from 667 seconds to 584 :)
		Fixing the igsfb "almost vga" color (it is 24-bit, not 18-bit).
		Adding some MIPS instruction combinations (3*lw, and 3*addu).
		The 8048 keyboard now turns off interrupt enable between the
		KBR_ACK and the KBR_RSTDONE, to work better with Linux 2.6.
		Not causing PPC DEC interrupts if PPC_NO_DEC is set for a
		specific CPU; NetBSD/bebox gets slightly further than before.
		Adding some more SPARC instructions: branches, udiv.
20060725	Refreshing dev_pckbc.c a little.
		Cleanups for the SH emulation mode, and adding the first
		"compact" (16-bit) instructions: various simple movs, nop,
		shll, stc, or, ldc.
20060726	Adding dummy "pcn" (AMD PCnet NIC) PCI glue.
20060727	Various cleanups; removing stuff from cpu.h, such as
		running_translated (not really meaningful anymore), and
		page flags (breaking into the debugger clears all translations
		anyway).
		Minor MIPS instruction combination updates.
20060807	Expanding the 3*sw and 3*lw MIPS instruction combinations to
		work with 2* and 4* too, resulting in a minor performance gain.
		Implementing a usleep hack for the RM52xx/MIPS32/MIPS64 "wait"
		instruction (when emulating 1 cpu).
20060808	Experimenting with some more MIPS instruction combinations.
		Implementing support for showing a (hardcoded 12x22) text
		cursor in igsfb.
20060809	Simplifying the NetBSD/evbmips (Malta) install instructions
		somewhat (by using a NetBSD/pmax ramdisk install kernel).
20060812	Experimenting more with the MIPS 'wait' instruction.
		PCI configuration register writes can now be handled, which
		allow PCI IDE controllers to work with NetBSD/Malta 3.0.1 and
		NetBSD/cobalt 3.0.1. (Previously only NetBSD 2.1 worked.)
20060813	Updating dev_gt.c based on numbers from Alec Voropay, to enable
		Linux 2.6 to use PCI on Malta.
		Continuing on Algor interrupt stuff.
20060814	Adding support for routing ISA interrupts to two different
		interrupts, making it possible to run NetBSD/algor :-)
20060814-15	Testing for the release.

==============  RELEASE 0.4.2  ==============


1 #ifndef CPU_SPARC_H
2 #define CPU_SPARC_H
3
4 /*
5 * Copyright (C) 2005-2006 Anders Gavare. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 *
31 * $Id: cpu_sparc.h,v 1.41 2006/07/23 12:40:24 debug Exp $
32 */
33
34 #include "misc.h"
35
36
37 struct cpu_family;
38
39
40 /* SPARC CPU types: */
41 struct sparc_cpu_type_def {
42 char *name;
43 int v; /* v8, v9 etc */
44 int bits; /* 32 or 64 */
45 int nwindows; /* usually 8 or more */
46 int icache_shift;
47 int ilinesize;
48 int iway;
49 int dcache_shift;
50 int dlinesize;
51 int dway;
52 int l2cache_shift;
53 int l2linesize;
54 int l2way;
55 };
56
57 /* NOTE/TODO: Maybe some of the types listed below as v8 are in
58 fact v7; I haven't had time to check. Also, the nwindows value is
59 just bogus. */
60 /* See http://www.sparc.com/standards/v8v9-numbers.html for
61 implementation numbers! */
62
63 #define SPARC_CPU_TYPE_DEFS { \
64 { "TMS390Z50", 8, 32, 8, 14,5,2, 14,5,2, 0,0,0 }, \
65 { "MB86904", 8, 32, 8, 14,5,2, 13,4,2, 0,0,0 }, \
66 { "MB86907", 8, 32, 8, 14,5,2, 14,5,2, 19,5,1 }, \
67 { "UltraSPARC", 9, 64, 8, 14,5,4, 14,5,4, 19,6,1 }, \
68 { "UltraSPARC-IIi", 9, 64, 8, 15,5,2, 14,5,2, 21,6,1 }, \
69 { "UltraSPARC-II", 9, 64, 8, 15,5,2, 14,5,2, 22,6,1 }, \
70 { NULL, 0, 0, 0, 0,0,0, 0,0,0, 0,0,0 } \
71 }
72
73
74 #define SPARC_N_IC_ARGS 3
75 #define SPARC_INSTR_ALIGNMENT_SHIFT 2
76 #define SPARC_IC_ENTRIES_SHIFT 10
77 #define SPARC_IC_ENTRIES_PER_PAGE (1 << SPARC_IC_ENTRIES_SHIFT)
78 #define SPARC_PC_TO_IC_ENTRY(a) (((a)>>SPARC_INSTR_ALIGNMENT_SHIFT) \
79 & (SPARC_IC_ENTRIES_PER_PAGE-1))
80 #define SPARC_ADDR_TO_PAGENR(a) ((a) >> (SPARC_IC_ENTRIES_SHIFT \
81 + SPARC_INSTR_ALIGNMENT_SHIFT))
82
83 #define SPARC_L2N 17
84 #define SPARC_L3N 18 /* 4KB pages on 32-bit sparc, */
85 /* 8KB pages on 64-bit? TODO */
86
87 DYNTRANS_MISC_DECLARATIONS(sparc,SPARC,uint64_t)
88 DYNTRANS_MISC64_DECLARATIONS(sparc,SPARC,uint8_t)
89
90 #define SPARC_MAX_VPH_TLB_ENTRIES 128
91
92
93 #define N_SPARC_REG 32
94 #define N_SPARC_INOUT_REG 8
95 #define N_SPARC_LOCAL_REG 8
96 #define SPARC_REG_NAMES { \
97 "g0","g1","g2","g3","g4","g5","g6","g7", \
98 "o0","o1","o2","o3","o4","o5","sp","o7", \
99 "l0","l1","l2","l3","l4","l5","l6","l7", \
100 "i0","i1","i2","i3","i4","i5","fp","i7" }
101
102 #define SPARC_ZEROREG 0 /* g0 */
103 #define SPARC_REG_G0 0
104 #define SPARC_REG_G1 1
105 #define SPARC_REG_G2 2
106 #define SPARC_REG_G3 3
107 #define SPARC_REG_G4 4
108 #define SPARC_REG_G5 5
109 #define SPARC_REG_G6 6
110 #define SPARC_REG_G7 7
111 #define SPARC_REG_O0 8
112 #define SPARC_REG_O1 9
113 #define SPARC_REG_O2 10
114 #define SPARC_REG_O3 11
115 #define SPARC_REG_O4 12
116 #define SPARC_REG_O5 13
117 #define SPARC_REG_O6 14
118 #define SPARC_REG_O7 15
119 #define SPARC_REG_L0 16
120 #define SPARC_REG_L1 17
121 #define SPARC_REG_L2 18
122 #define SPARC_REG_L3 19
123 #define SPARC_REG_L4 20
124 #define SPARC_REG_L5 21
125 #define SPARC_REG_L6 22
126 #define SPARC_REG_L7 23
127 #define SPARC_REG_I0 24
128 #define SPARC_REG_I1 25
129 #define SPARC_REG_I2 26
130 #define SPARC_REG_I3 27
131 #define SPARC_REG_I4 28
132 #define SPARC_REG_I5 29
133 #define SPARC_REG_I6 30
134 #define SPARC_REG_I7 31
135
136 /* Privileged registers: */
137 #define N_SPARC_PREG 32
138 #define SPARC_PREG_NAMES { \
139 "tpc", "tnpc", "tstate", "tt", "tick", "tba", "pstate", "tl", \
140 "pil", "cwp", "cansave", "canrestore", "cleanwin", "otherwin", \
141 "wstate", "fq", "reserved16", "reserved17", "reserved18", \
142 "reserved19", "reserved20", "reserved21", "reserved22", \
143 "reserved23", "reserved24", "reserved25", "reserved26", \
144 "reserved27", "reserved28", "reserved29", "reserved30", \
145 "ver" }
146
147 #define N_SPARC_BRANCH_TYPES 16
148 #define SPARC_BRANCH_NAMES { \
149 "bn", "be", "ble", "bl", "bleu", "bcs", "bneg", "bvs", \
150 "ba", "bne", "bg", "bge", "bgu", "bcc", "bpos", "bvc" }
151
152 #define N_SPARC_REGBRANCH_TYPES 8
153 #define SPARC_REGBRANCH_NAMES { \
154 "br?","brz","brlez","brlz","br??","brnz", "brgz", "brgez" }
155
156 #define N_ALU_INSTR_TYPES 64
157 #define SPARC_ALU_NAMES { \
158 "add", "and", "or", "xor", "sub", "andn", "orn", "xnor", \
159 "addx", "[9]", "umul", "smul", "subx", "[13]", "udiv", "sdiv", \
160 "addcc","andcc","orcc","xorcc","subcc","andncc","orncc","xnorcc",\
161 "addxcc","[25]","umulcc","smulcc","subxcc","[29]","udivcc","sdivcc",\
162 "taddcc","tsubcc","taddcctv","tsubcctv","mulscc","sll","srl","sra",\
163 "rd" /* membar/stbar on sparcv9 */, \
164 "rd" /* rd psr on pre-sparcv9 */, "rdpr","rd", \
165 "[44]","[45]","popc","movre", \
166 "wr*","saved/restored","wrpr","[51]", "[52]","[53]","[54]","[55]",\
167 "jmpl", "rett", "trap", "flush", "save", "restore", "[62]","[63]" }
168
169 #define N_LOADSTORE_TYPES 64
170 #define SPARC_LOADSTORE_NAMES { \
171 "lduw","ldub","lduh","ldd", "st","stb","sth","std", \
172 "ldsw","ldsb","ldsh","ldx", "[12]","ldstub","stx","swap", \
173 "lda","lduba","lduha","ldda", "sta","stba","stha","stda", \
174 "[24]","ldsba","ldsha","ldxa", "[28]","ldstuba","stxa","swapa", \
175 "ldf","ldfsr","[34]","lddf", "stf","stfsr","stdfq","stdf", \
176 "[40]","[41]","[42]","[43]", "[44]","prefetch","[46]","[47]", \
177 "ldc","ldcsr","[50]","lddc", "stc","stcsr","scdfq","scdf", \
178 "[56]","[57]","[58]","[59]", "[60]","prefetcha","casxa","[63]" }
179
180
181 /* Max number of Trap Levels and Windows: */
182 #define MAXTL 4
183 #define MAXWIN 32
184
185
186 struct sparc_cpu {
187 struct sparc_cpu_type_def cpu_type;
188
189 /* Registers in the Current Window: */
190 uint64_t r[N_SPARC_REG];
191
192 uint64_t r_inout[MAXWIN][N_SPARC_INOUT_REG];
193 uint64_t r_local[MAXWIN][N_SPARC_LOCAL_REG];
194
195 uint64_t scratch;
196
197 /* Pre-SPARCv9 specific: */
198 uint32_t psr; /* Processor State Register */
199 uint32_t tbr; /* Trap base register */
200 uint32_t wim; /* Window invalid mask */
201
202 /* SPARCv9 etc.: */
203 uint64_t pstate; /* Processor State Register */
204 uint64_t y; /* Y-reg (only low 32-bits used) */
205 uint64_t fprs; /* Floating Point Register Status */
206 uint64_t tick; /* Tick Register */
207 uint64_t tick_cmpr; /* Tick Compare Register (?) */
208 uint64_t ver; /* Version register */
209
210 uint8_t cwp; /* Current Window Pointer */
211 uint8_t cansave; /* CANSAVE register */
212 uint8_t canrestore; /* CANRESTORE register */
213 uint8_t otherwin; /* OTHERWIN register */
214 uint8_t cleanwin; /* CLEANWIN register */
215
216 uint8_t wstate; /* Window state */
217
218 uint8_t ccr; /* Condition Code Register */
219 uint8_t asi; /* Address Space Identifier */
220 uint8_t tl; /* Trap Level Register */
221 uint8_t pil; /* Processor Interrupt Level Reg. */
222
223 uint64_t tpc[MAXTL]; /* Trap Program Counter */
224 uint64_t tnpc[MAXTL]; /* Trap Next Program Counter */
225 uint64_t tstate[MAXTL]; /* Trap State */
226 uint32_t ttype[MAXTL]; /* Trap Type */
227
228 uint64_t tba; /* Trap Base Address */
229
230 /*
231 * Instruction translation cache and Virtual->Physical->Host
232 * address translation:
233 */
234 DYNTRANS_ITC(sparc)
235 VPH_TLBS(sparc,SPARC)
236 VPH32(sparc,SPARC,uint64_t,uint8_t)
237 VPH64(sparc,SPARC,uint8_t)
238 };
239
240
241 /* Processor State Register (PSTATE) bit definitions: */
242 #define SPARC_PSTATE_PID1 0x800
243 #define SPARC_PSTATE_PID0 0x400
244 #define SPARC_PSTATE_CLE 0x200 /* Current Little Endian */
245 #define SPARC_PSTATE_TLE 0x100 /* Trap Little Endian */
246 #define SPARC_PSTATE_MM_MASK 0x0c0 /* Memory Model (TODO) */
247 #define SPARC_PSTATE_MM_SHIFT 6
248 #define SPARC_PSTATE_RED 0x020 /* Reset/Error/Debug state */
249 #define SPARC_PSTATE_PEF 0x010 /* Enable Floating-point */
250 #define SPARC_PSTATE_AM 0x008 /* Address Mask */
251 #define SPARC_PSTATE_PRIV 0x004 /* Privileged Mode */
252 #define SPARC_PSTATE_IE 0x002 /* Interrupt Enable */
253 #define SPARC_PSTATE_AG 0x001 /* Alternate Globals */
254
255
256 /* Condition Code Register bit definitions: */
257 #define SPARC_CCR_XCC_MASK 0xf0
258 #define SPARC_CCR_XCC_SHIFT 4
259 #define SPARC_CCR_ICC_MASK 0x0f
260 #define SPARC_CCR_N 8
261 #define SPARC_CCR_Z 4
262 #define SPARC_CCR_V 2
263 #define SPARC_CCR_C 1
264
265
266 /* CWP, CANSAVE, CANRESTORE, OTHERWIN, CLEANWIN bitmask: */
267 #define SPARC_CWP_MASK 0x1f
268
269
270 /* Window State bit definitions: */
271 #define SPARC_WSTATE_OTHER_MASK 0x38
272 #define SPARC_WSTATE_OTHER_SHIFT 3
273 #define SPARC_WSTATE_NORMAL_MASK 0x07
274
275
276 /* Tick Register bit definitions: */
277 #define SPARC_TICK_NPT (1ULL << 63) /* Non-privileged trap */
278
279
280 /* Addess Space Identifier bit definitions: */
281 #define SPARC_ASI_RESTRICTED 0x80
282
283
284 /* Trap Level Register bit definitions: */
285 #define SPARC_TL_MASK 0x07
286
287
288 /* Processor Interrupt Level Register bit definitions: */
289 #define SPARC_PIL_MASK 0x0f
290
291
292 /* Trap Type Register bit definitions: */
293 #define SPARC_TTYPE_MASK 0x1ff
294
295
296 /* Trap Base Address bit definitions: */
297 #define SPARC_TBA_MASK 0xffffffffffff8000ULL
298
299
300 /*
301 * Full address for a trap is:
302 * TBA<bits 63..15> || X || TTYPE[TL] || 00000
303 *
304 * where X is a bit which is true if TL>0 when the trap was taken.
305 */
306
307
308 /* Version Register bit definitions: */
309 #define SPARC_VER_MANUF_SHIFT 48
310 #define SPARC_VER_IMPL_SHIFT 32
311 #define SPARC_VER_MASK_SHIFT 24
312 #define SPARC_VER_MAXTL_SHIFT 8
313 #define SPARC_VER_MAXWIN_SHIFT 0
314
315
316 /* cpu_sparc.c: */
317 int sparc_cpu_instruction_has_delayslot(struct cpu *cpu, unsigned char *ib);
318 int sparc_run_instr(struct cpu *cpu);
319 void sparc_update_translation_table(struct cpu *cpu, uint64_t vaddr_page,
320 unsigned char *host_page, int writeflag, uint64_t paddr_page);
321 void sparc_invalidate_translation_caches(struct cpu *cpu, uint64_t, int);
322 void sparc_invalidate_code_translation(struct cpu *cpu, uint64_t, int);
323 int sparc32_run_instr(struct cpu *cpu);
324 void sparc32_update_translation_table(struct cpu *cpu, uint64_t vaddr_page,
325 unsigned char *host_page, int writeflag, uint64_t paddr_page);
326 void sparc32_invalidate_translation_caches(struct cpu *cpu, uint64_t, int);
327 void sparc32_invalidate_code_translation(struct cpu *cpu, uint64_t, int);
328 void sparc_init_64bit_dummy_tables(struct cpu *cpu);
329 int sparc_memory_rw(struct cpu *cpu, struct memory *mem, uint64_t vaddr,
330 unsigned char *data, size_t len, int writeflag, int cache_flags);
331 int sparc_cpu_family_init(struct cpu_family *);
332
333
334 #endif /* CPU_SPARC_H */

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