/[gxemul]/trunk/src/include/cpu_x86.h
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Revision 24 - (show annotations)
Mon Oct 8 16:19:56 2007 UTC (16 years, 6 months ago) by dpavlin
File MIME type: text/plain
File size: 10143 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 #ifndef CPU_X86_H
2 #define CPU_X86_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_x86.h,v 1.47 2006/04/17 11:06:46 debug Exp $
32 *
33 * x86 (including AMD64) cpu dependent stuff.
34 */
35
36 #include "misc.h"
37
38
39 struct cpu_family;
40
41 #define N_X86_REGS 16
42
43 #define x86_reg_names { \
44 "ax", "cx", "dx", "bx", "sp", "bp", "si", "di", \
45 "08", "09", "10", "11", "12", "13", "14", "15" }
46 #define x86_reg_names_bytes { \
47 "al", "cl", "dl", "bl", "ah", "ch", "dh", "bh" }
48
49 #define X86_R_AX 0
50 #define X86_R_CX 1
51 #define X86_R_DX 2
52 #define X86_R_BX 3
53 #define X86_R_SP 4
54 #define X86_R_BP 5
55 #define X86_R_SI 6
56 #define X86_R_DI 7
57
58 #define N_X86_SEGS 8
59 /* (All of these 8 are not actually used.) */
60
61 #define X86_S_ES 0
62 #define X86_S_CS 1
63 #define X86_S_SS 2
64 #define X86_S_DS 3
65 #define X86_S_FS 4
66 #define X86_S_GS 5
67
68 #define x86_seg_names { "es", "cs", "ss", "ds", "fs", "gs", "segr6", "segr7" }
69
70 #define N_X86_CREGS 8
71
72 #define N_X86_DREGS 8
73
74 #define x86_cond_names { "o", "b", "z", "be", "s", "p", "l", "le" }
75 #define N_X86_CONDS 8
76
77 #define X86_MODEL_8086 1
78 #define X86_MODEL_80286 2
79 #define X86_MODEL_80386 3
80 #define X86_MODEL_80486 4
81 #define X86_MODEL_PENTIUM 5
82 #define X86_MODEL_AMD64 6
83
84 struct x86_model {
85 int model_number;
86 char *name;
87 };
88
89 #define x86_models { \
90 { X86_MODEL_8086, "8086" }, \
91 { X86_MODEL_80286, "80286" }, \
92 { X86_MODEL_80386, "80386" }, \
93 { X86_MODEL_80486, "80486" }, \
94 { X86_MODEL_PENTIUM, "PENTIUM" }, \
95 { X86_MODEL_AMD64, "AMD64" }, \
96 { 0, NULL } \
97 }
98
99 #define X86_N_IC_ARGS 3
100 #define X86_INSTR_ALIGNMENT_SHIFT 0
101 #define X86_IC_ENTRIES_SHIFT 12
102 #define X86_IC_ENTRIES_PER_PAGE (1 << X86_IC_ENTRIES_SHIFT)
103 #define X86_PC_TO_IC_ENTRY(a) ((a) & (X86_IC_ENTRIES_PER_PAGE-1))
104 #define X86_ADDR_TO_PAGENR(a) ((a) >> X86_IC_ENTRIES_SHIFT)
105
106 #define X86_L2N 17
107 #define X86_L3N 18
108
109 DYNTRANS_MISC_DECLARATIONS(x86,X86,uint64_t)
110 DYNTRANS_MISC64_DECLARATIONS(x86,X86,uint8_t)
111
112 #define X86_MAX_VPH_TLB_ENTRIES 128
113
114 struct descriptor_cache {
115 int valid;
116 int default_op_size;
117 int access_rights;
118 int descr_type;
119 int readable;
120 int writable;
121 int granularity;
122 uint64_t base;
123 uint64_t limit;
124 };
125
126
127 struct x86_cpu {
128 struct x86_model model;
129
130 int halted;
131 int interrupt_asserted;
132
133 int cursegment; /* NOTE: 0..N_X86_SEGS-1 */
134 int seg_override; /* 0 or 1 */
135
136 uint64_t tsc; /* time stamp counter */
137
138 uint64_t gdtr; /* global descriptor table */
139 uint32_t gdtr_limit;
140 uint64_t idtr; /* interrupt descriptor table */
141 uint32_t idtr_limit;
142
143 uint16_t tr; /* task register */
144 uint64_t tr_base;
145 uint32_t tr_limit;
146 uint16_t ldtr; /* local descriptor table register */
147 uint64_t ldtr_base;
148 uint32_t ldtr_limit;
149
150 uint64_t rflags;
151 uint64_t cr[N_X86_CREGS]; /* control registers */
152 uint64_t dr[N_X86_DREGS]; /* debug registers */
153
154 uint16_t s[N_X86_SEGS]; /* segment selectors */
155 struct descriptor_cache descr_cache[N_X86_SEGS];
156
157 uint64_t r[N_X86_REGS]; /* GPRs */
158
159 /* FPU: */
160 uint16_t fpu_sw; /* status word */
161 uint16_t fpu_cw; /* control word */
162
163 /* MSRs: */
164 uint64_t efer;
165
166
167 /*
168 * Instruction translation cache and Virtual->Physical->Host
169 * address translation:
170 */
171 DYNTRANS_ITC(x86)
172 VPH_TLBS(x86,X86)
173 VPH32(x86,X86,uint64_t,uint8_t)
174 VPH64(x86,X86,uint8_t)
175 };
176
177
178 #define X86_FLAGS_CF (1) /* Carry Flag */
179 #define X86_FLAGS_PF (4) /* Parity Flag */
180 #define X86_FLAGS_AF (16) /* Adjust/AuxilaryCarry Flag */
181 #define X86_FLAGS_ZF (64) /* Zero Flag */
182 #define X86_FLAGS_SF (128) /* Sign Flag */
183 #define X86_FLAGS_TF (256) /* Trap Flag */
184 #define X86_FLAGS_IF (512) /* Interrupt Enable Flag */
185 #define X86_FLAGS_DF (1024) /* Direction Flag */
186 #define X86_FLAGS_OF (2048) /* Overflow Flag */
187 /* Bits 12 and 13 are I/O Privilege Level */
188 #define X86_FLAGS_NT (1<<14) /* Nested Task Flag */
189 #define X86_FLAGS_RF (1<<16) /* Resume Flag */
190 #define X86_FLAGS_VM (1<<17) /* VM86 Flag */
191 #define X86_FLAGS_AC (1<<18) /* Alignment Check */
192 #define X86_FLAGS_VIF (1<<19) /* ? */
193 #define X86_FLAGS_VIP (1<<20) /* ? */
194 #define X86_FLAGS_ID (1<<21) /* CPUID present */
195
196 #define X86_CR0_PE 0x00000001 /* Protection Enable */
197 #define X86_CR0_MP 0x00000002
198 #define X86_CR0_EM 0x00000004
199 #define X86_CR0_TS 0x00000008
200 #define X86_CR0_ET 0x00000010
201 #define X86_CR0_NE 0x00000020
202 #define X86_CR0_WP 0x00010000
203 #define X86_CR0_AM 0x00040000
204 #define X86_CR0_NW 0x20000000
205 #define X86_CR0_CD 0x40000000
206 #define X86_CR0_PG 0x80000000 /* Paging Enable */
207
208 #define X86_CR4_OSXMEX 0x00000400
209 #define X86_CR4_OSFXSR 0x00000200
210 #define X86_CR4_PCE 0x00000100
211 #define X86_CR4_PGE 0x00000080
212 #define X86_CR4_MCE 0x00000040
213 #define X86_CR4_PAE 0x00000020
214 #define X86_CR4_PSE 0x00000010
215 #define X86_CR4_DE 0x00000008
216 #define X86_CR4_TSD 0x00000004 /* Time Stamp Disable */
217 #define X86_CR4_PVI 0x00000002
218 #define X86_CR4_VME 0x00000001
219
220 /* EFER bits: */
221 #define X86_EFER_FFXSR 0x00004000
222 #define X86_EFER_LMSLE 0x00002000
223 #define X86_EFER_NXE 0x00000800
224 #define X86_EFER_LMA 0x00000400
225 #define X86_EFER_LME 0x00000100 /* Long Mode (64-bit) */
226 #define X86_EFER_SCE 0x00000001
227
228 /* CPUID feature bits: */
229 #define X86_CPUID_ECX_ETPRD 0x00004000
230 #define X86_CPUID_ECX_CX16 0x00002000 /* cmpxchg16b */
231 #define X86_CPUID_ECX_CID 0x00000400
232 #define X86_CPUID_ECX_TM2 0x00000100
233 #define X86_CPUID_ECX_EST 0x00000080
234 #define X86_CPUID_ECX_DSCPL 0x00000010
235 #define X86_CPUID_ECX_MON 0x00000004
236 #define X86_CPUID_ECX_SSE3 0x00000001
237 #define X86_CPUID_EDX_PBE 0x80000000 /* pending break event */
238 #define X86_CPUID_EDX_IA64 0x40000000
239 #define X86_CPUID_EDX_TM1 0x20000000 /* thermal interrupt */
240 #define X86_CPUID_EDX_HTT 0x10000000 /* hyper threading */
241 #define X86_CPUID_EDX_SS 0x08000000 /* self-snoop */
242 #define X86_CPUID_EDX_SSE2 0x04000000
243 #define X86_CPUID_EDX_SSE 0x02000000
244 #define X86_CPUID_EDX_FXSR 0x01000000
245 #define X86_CPUID_EDX_MMX 0x00800000
246 #define X86_CPUID_EDX_ACPI 0x00400000
247 #define X86_CPUID_EDX_DTES 0x00200000
248 #define X86_CPUID_EDX_CLFL 0x00080000
249 #define X86_CPUID_EDX_PSN 0x00040000
250 #define X86_CPUID_EDX_PSE36 0x00020000
251 #define X86_CPUID_EDX_PAT 0x00010000
252 #define X86_CPUID_EDX_CMOV 0x00008000
253 #define X86_CPUID_EDX_MCA 0x00004000
254 #define X86_CPUID_EDX_PGE 0x00002000 /* global bit in PDE/PTE */
255 #define X86_CPUID_EDX_MTRR 0x00001000
256 #define X86_CPUID_EDX_SEP 0x00000800 /* sysenter/sysexit */
257 #define X86_CPUID_EDX_APIC 0x00000200
258 #define X86_CPUID_EDX_CX8 0x00000100 /* cmpxchg8b */
259 #define X86_CPUID_EDX_MCE 0x00000080
260 #define X86_CPUID_EDX_PAE 0x00000040
261 #define X86_CPUID_EDX_MSR 0x00000020
262 #define X86_CPUID_EDX_TSC 0x00000010
263 #define X86_CPUID_EDX_PSE 0x00000008
264 #define X86_CPUID_EDX_DE 0x00000004
265 #define X86_CPUID_EDX_VME 0x00000002
266 #define X86_CPUID_EDX_FPU 0x00000001
267
268 /* Extended CPUID flags: */
269 #define X86_CPUID_EXT_ECX_CR8D 0x00000010
270 #define X86_CPUID_EXT_ECX_CMP 0x00000002
271 #define X86_CPUID_EXT_ECX_AHF64 0x00000001
272 #define X86_CPUID_EXT_EDX_LM 0x20000000 /* AMD64 Long Mode */
273 #define X86_CPUID_EXT_EDX_FFXSR 0x02000000
274 /* TODO: Many bits are duplicated in the Extended CPUID bits! */
275
276 #define X86_IO_BASE 0x1000000000ULL
277
278 /* Privilege level in the lowest 2 bits of a selector: */
279 #define X86_PL_MASK 0x0003
280 #define X86_RING0 0
281 #define X86_RING1 1
282 #define X86_RING2 2
283 #define X86_RING3 3
284
285 #define DESCR_TYPE_CODE 1
286 #define DESCR_TYPE_DATA 2
287
288
289 #define LONG_MODE (cpu->cd.x86.efer & X86_EFER_LME)
290 #define PROTECTED_MODE (cpu->cd.x86.cr[0] & X86_CR0_PE)
291 #define REAL_MODE (!PROTECTED_MODE)
292
293
294 /* cpu_x86.c: */
295 void reload_segment_descriptor(struct cpu *cpu, int segnr, int selector,
296 uint64_t *curpcp);
297 int x86_interrupt(struct cpu *cpu, int nr, int errcode);
298 int x86_memory_rw(struct cpu *cpu, struct memory *mem, uint64_t vaddr,
299 unsigned char *data, size_t len, int writeflag, int cache_flags);
300 void x86_update_translation_table(struct cpu *cpu, uint64_t vaddr_page,
301 unsigned char *host_page, int writeflag, uint64_t paddr_page);
302 void x8632_update_translation_table(struct cpu *cpu, uint64_t vaddr_page,
303 unsigned char *host_page, int writeflag, uint64_t paddr_page);
304 void x86_invalidate_translation_caches(struct cpu *cpu, uint64_t, int);
305 void x8632_invalidate_translation_caches(struct cpu *cpu, uint64_t, int);
306 void x86_invalidate_code_translation(struct cpu *cpu, uint64_t, int);
307 void x8632_invalidate_code_translation(struct cpu *cpu, uint64_t, int);
308 void x86_init_64bit_dummy_tables(struct cpu *cpu);
309 int x86_cpu_family_init(struct cpu_family *);
310
311
312 /* memory_x86.c: */
313 int x86_translate_address(struct cpu *cpu, uint64_t vaddr,
314 uint64_t *return_addr, int flags);
315
316 #endif /* CPU_X86_H */

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