/[gxemul]/trunk/src/cpus/generate_head.c
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
ViewVC logotype

Annotation of /trunk/src/cpus/generate_head.c

Parent Directory Parent Directory | Revision Log Revision Log


Revision 44 - (hide annotations)
Mon Oct 8 16:22:56 2007 UTC (16 years, 6 months ago) by dpavlin
File MIME type: text/plain
File size: 5704 byte(s)
++ trunk/HISTORY	(local)
$Id: HISTORY,v 1.1632 2007/09/11 21:46:35 debug Exp $
20070616	Implementing the MIPS32/64 revision 2 "ror" instruction.
20070617	Adding a struct for each physpage which keeps track of which
		ranges within that page (base offset, length) that are
		continuously translatable. When running with native code
		generation enabled (-b), a range is added after each read-
		ahead loop.
		Experimenting with using the physical program counter sample
		data (implemented 20070608) together with the "translatable
		range" information, to figure out which physical address ranges
		would be worth translating to native code (if the number of
		samples falling within a range is above a certain threshold).
20070618	Adding automagic building of .index comment files for
		src/file/, src/promemul/, src src/useremul/ as well.
		Adding a "has been translated" bit to the ranges, so that only
		not-yet-translated ranges will be sampled.
20070619	Moving src/cpu.c and src/memory_rw.c into src/cpus/,
		src/device.c into src/devices/, and src/machine.c into
		src/machines/.
		Creating a skeleton cc/ld native backend module; beginning on
		the function which will detect cc command line, etc.
20070620	Continuing on the native code generation infrastructure.
20070621	Moving src/x11.c and src/console.c into a new src/console/
		subdir (for everything that is console or framebuffer related).
		Moving src/symbol*.c into a new src/symbol/, which should
		contain anything that is symbol handling related.
20070624	Making the program counter sampling threshold a "settings
		variable" (sampling_threshold), i.e. it can now be changed
		during runtime.
		Switching the RELEASE notes format from plain text to HTML.
		If the TMPDIR environment variable is set, it is used instead
		of "/tmp" for temporary files.
		Continuing on the cc/ld backend: simple .c code is generated,
		the compiler and linker are called, etc.
		Adding detection of host architecture to the configure script
		(again), and adding icache invalidation support (only
		implemented for Alpha hosts so far).
20070625	Simplifying the program counter sampling mechanism.
20070626	Removing the cc/ld native code generation stuff, program
		counter sampling, etc; it would not have worked well in the
		general case.
20070627	Removing everything related to native code generation.
20070629	Removing the (practically unusable) support for multiple
		emulations. (The single emulation allowed now still supports
		multiple simultaneous machines, as before.)
		Beginning on PCCTWO and M88K interrupts.
20070723	Adding a dummy skeleton for emulation of M32R processors.
20070901	Fixing a warning found by "gcc version 4.3.0 20070817
		(experimental)" on amd64.
20070905	Removing some more traces of the old "multiple emulations"
		code.
		Also looking in /usr/local/include and /usr/local/lib for
		X11 libs, when running configure.
20070909	Minor updates to the guest OS install instructions, in
		preparation for the NetBSD 4.0 release.
20070918	More testing of NetBSD 4.0 RC1.

1 dpavlin 14 /*
2 dpavlin 34 * Copyright (C) 2005-2007 Anders Gavare. All rights reserved.
3 dpavlin 14 *
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 44 * $Id: generate_head.c,v 1.30 2007/06/28 13:36:47 debug Exp $
29 dpavlin 14 */
30    
31     #include <stdio.h>
32     #include <stdlib.h>
33     #include <string.h>
34    
35    
36 dpavlin 24 /* NOTE: Static return buffer, so calling it multiple times in the
37     same printf statement with the same argument works :-) but not
38     with different args. Hahaha. Really ugly. */
39 dpavlin 14 char *uppercase(char *l)
40     {
41     static char staticbuf[1000];
42 dpavlin 22 size_t i = 0;
43 dpavlin 14
44     while (*l && i < sizeof(staticbuf)) {
45     char u = *l++;
46     if (u >= 'a' && u <= 'z')
47     u -= 32;
48     staticbuf[i++] = u;
49     }
50     if (i == sizeof(staticbuf))
51     i--;
52     staticbuf[i] = 0;
53     return staticbuf;
54     }
55    
56    
57     int main(int argc, char *argv[])
58     {
59     char *a, *b;
60    
61     if (argc != 3) {
62     fprintf(stderr, "usage: %s arch Arch\n", argv[0]);
63     fprintf(stderr, "Example: %s alpha Alpha\n", argv[0]);
64     fprintf(stderr, " or: %s arm ARM\n", argv[0]);
65     exit(1);
66     }
67    
68     a = argv[1];
69     b = argv[2];
70    
71 dpavlin 24
72 dpavlin 14 printf("\n/* AUTOMATICALLY GENERATED! Do not edit. */\n\n");
73    
74 dpavlin 26 printf("#include <assert.h>\n");
75     printf("#include \"debugger.h\"\n");
76    
77 dpavlin 14 printf("#define DYNTRANS_MAX_VPH_TLB_ENTRIES "
78     "%s_MAX_VPH_TLB_ENTRIES\n", uppercase(a));
79     printf("#define DYNTRANS_ARCH %s\n", a);
80     printf("#define DYNTRANS_%s\n", uppercase(a));
81 dpavlin 24
82     /* For 64-bit platforms, arch_L2N, and arch_L3N must be defined. */
83     printf("#ifndef DYNTRANS_32\n");
84     printf("#define DYNTRANS_L2N %s_L2N\n"
85     "#define DYNTRANS_L3N %s_L3N\n"
86     "#if !defined(%s_L2N) || !defined(%s_L3N)\n"
87     "#error arch_L2N, and arch_L3N must be defined for this arch!\n"
88     "#endif\n",
89     uppercase(a), uppercase(a), uppercase(a), uppercase(a));
90     printf("#define DYNTRANS_L2_64_TABLE %s_l2_64_table\n"
91     "#define DYNTRANS_L3_64_TABLE %s_l3_64_table\n", a, a);
92     printf("#endif\n");
93    
94     /* Default pagesize is 4KB. */
95 dpavlin 14 printf("#ifndef DYNTRANS_PAGESIZE\n"
96     "#define DYNTRANS_PAGESIZE 4096\n"
97     "#endif\n");
98 dpavlin 24
99 dpavlin 14 printf("#define DYNTRANS_IC %s_instr_call\n", a);
100     printf("#define DYNTRANS_IC_ENTRIES_PER_PAGE "
101     "%s_IC_ENTRIES_PER_PAGE\n", uppercase(a));
102     printf("#define DYNTRANS_INSTR_ALIGNMENT_SHIFT "
103     "%s_INSTR_ALIGNMENT_SHIFT\n", uppercase(a));
104     printf("#define DYNTRANS_TC_PHYSPAGE %s_tc_physpage\n", a);
105     printf("#define DYNTRANS_INVALIDATE_TLB_ENTRY "
106     "%s_invalidate_tlb_entry\n", a);
107     printf("#define DYNTRANS_ADDR_TO_PAGENR %s_ADDR_TO_PAGENR\n",
108     uppercase(a));
109     printf("#define DYNTRANS_PC_TO_IC_ENTRY %s_PC_TO_IC_ENTRY\n",
110     uppercase(a));
111     printf("#define DYNTRANS_TC_ALLOCATE "
112     "%s_tc_allocate_default_page\n", a);
113     printf("#define DYNTRANS_TC_PHYSPAGE %s_tc_physpage\n", a);
114     printf("#define DYNTRANS_PC_TO_POINTERS %s_pc_to_pointers\n", a);
115     printf("#define DYNTRANS_PC_TO_POINTERS_GENERIC "
116     "%s_pc_to_pointers_generic\n", a);
117     printf("#define COMBINE_INSTRUCTIONS %s_combine_instructions\n", a);
118     printf("#define DISASSEMBLE %s_cpu_disassemble_instr\n", a);
119    
120     printf("\nextern volatile int single_step, single_step_breakpoint;"
121     "\nextern int debugger_n_steps_left_before_interaction;\n"
122     "extern int old_show_trace_tree;\n"
123     "extern int old_instruction_trace;\n"
124     "extern int old_quiet_mode;\n"
125     "extern int quiet_mode;\n");
126    
127     printf("\n/* instr uses the same names as in "
128     "cpu_%s_instr.c */\n#define instr(n) %s_instr_ ## n\n\n", a, a);
129    
130     printf("#ifdef DYNTRANS_DUALMODE_32\n"
131     "#define instr32(n) %s32_instr_ ## n\n\n", a);
132     printf("#endif\n\n");
133    
134     printf("\n#define X(n) void %s_instr_ ## n(struct cpu *cpu, \\\n"
135     " struct %s_instr_call *ic)\n", a, a);
136    
137     printf("\n/*\n * nothing: Do nothing.\n *\n"
138     " * The difference between this function and a \"nop\" "
139     "instruction is that\n * this function does not increase "
140 dpavlin 30 "the program counter. It is used to \"get out\" of running in "
141     "translated\n * mode.\n */\n");
142 dpavlin 14 printf("X(nothing)\n{\n");
143     printf("\tcpu->cd.%s.next_ic --;\n", a);
144     printf("}\n\n");
145    
146 dpavlin 38 /* Ugly special hacks for SH[34]: */
147     if (strcasecmp(argv[1], "sh") == 0) {
148 dpavlin 28 printf("static struct %s_instr_call nothing_call = { "
149 dpavlin 30 "instr(nothing), {0,0} };\n", a);
150 dpavlin 28 } else {
151     printf("static struct %s_instr_call nothing_call = { "
152     "instr(nothing), {0,0,0} };\n", a);
153     }
154 dpavlin 14
155     printf("\n");
156    
157     return 0;
158     }

  ViewVC Help
Powered by ViewVC 1.1.26