annotate vos_program_module.c @ 1944:357878be8be6

Fix vgmplay target
author Michael Pavone <pavone@retrodev.com>
date Sun, 26 Apr 2020 14:56:44 -0700
parents de6f00204fa2
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
631
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1 #include <stdio.h>
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
2 #include <stdlib.h>
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
3 #include <stddef.h>
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
4 #include <string.h>
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
5 #include "vos_program_module.h"
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
6
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
7 static uint16_t big16(uint8_t ** src)
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
8 {
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
9 uint16_t ret = *((*src)++) << 8;
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
10 ret |= *((*src)++);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
11 return ret;
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
12 }
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
13
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
14 static uint32_t big32(uint8_t ** src)
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
15 {
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
16 uint32_t ret = *((*src)++) << 24;
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
17 ret |= *((*src)++) << 16;
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
18 ret |= *((*src)++) << 8;
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
19 ret |= *((*src)++);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
20 return ret;
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
21 }
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
22
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
23 static void string_(uint8_t ** src, uint16_t *len, char * str, uint32_t storage)
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
24 {
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
25 *len = big16(src);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
26 memcpy(str, *src, storage);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
27 *src += storage;
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
28 if (*len >= storage)
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
29 {
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
30 *len = storage;
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
31 } else {
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
32 str[*len] = 0;
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
33 }
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
34 if (storage & 1)
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
35 {
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
36 (*src)++;
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
37 }
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
38 }
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
39
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
40 #define string(src, field) string_(src, &(field).len, (field).str, sizeof((field).str))
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
41
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
42
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
43 int vos_read_header(FILE * f, vos_program_module *out)
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
44 {
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
45 uint8_t buffer[4096];
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
46 if (fread(buffer, 1, sizeof(buffer), f) != sizeof(buffer))
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
47 {
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
48 return 0;
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
49 }
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
50 uint8_t *cur = buffer;
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
51 out->version = big16(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
52 string(&cur, out->binder_version);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
53 string(&cur, out->binder_options);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
54 string(&cur, out->system_name);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
55 string(&cur, out->user_name);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
56 out->date_bound = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
57 out->main_entry_link.code_address = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
58 out->main_entry_link.static_address = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
59 out->user_boundary = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
60 out->n_modules = big16(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
61 out->n_external_vars = big16(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
62 out->n_link_names = big16(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
63 out->n_unsnapped_links = big16(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
64 out->n_vm_pages = big16(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
65 out->n_header_pages = big16(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
66 for (int i = 0; i < 3; i++)
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
67 {
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
68 for (int j = 0; j < 4; j++)
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
69 {
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
70 out->info[i][j].address = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
71 out->info[i][j].len = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
72 }
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
73 }
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
74 out->module_map_address = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
75 out->module_map_len = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
76 out->external_vars_map_address = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
77 out->external_vars_map_len = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
78 out->link_names_map_address = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
79 out->link_names_map_len = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
80 out->link_map_address = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
81 out->link_map_len = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
82 out->header_address = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
83 out->header_len = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
84 memcpy(out->access_info, cur, sizeof(out->access_info));
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
85 cur += sizeof(out->access_info);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
86 out->flags = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
87 out->n_tasks = big16(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
88 for (int i = 0; i < 3; i++)
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
89 {
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
90 out->task_static_len[i] = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
91 }
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
92 out->stack_len = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
93 out->n_entries = big16(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
94 out->entry_map_address = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
95 out->entry_map_len = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
96 out->pop_version = big16(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
97 out->processor = big16(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
98 string(&cur, out->release_name);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
99 out->relocation_info.map_address = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
100 out->relocation_info.map_len = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
101 out->relocation_info.n_relocations = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
102 out->high_water_mark = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
103 string(&cur, out->copyright_notice);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
104 for (int i = 0; i < 14; i++)
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
105 {
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
106 out->module_origins[i] = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
107 }
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
108 out->processor_family = big16(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
109 string(&cur, out->program_name);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
110 out->string_pool_address = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
111 out->string_pool_len = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
112 out->obj_dir_map_address = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
113 out->obj_dir_map_len = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
114 for (int i = 0; i < 3; i++)
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
115 {
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
116 out->global_offset_table_address[i] = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
117 }
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
118 for (int i = 0; i < 3; i++)
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
119 {
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
120 out->block_map_info[i].address = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
121 out->block_map_info[i].len = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
122 }
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
123 out->section_map_file_address = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
124 out->section_map_address = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
125 out->section_map_len = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
126 out->n_sections = big16(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
127 out->max_heap_size = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
128 out->max_program_size = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
129 out->max_stack_size = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
130 out->stack_fence_size = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
131
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
132 out->module_map_entries = NULL;
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
133 out->external_vars = NULL;
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
134 return 1;
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
135 }
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
136
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
137 #define MODULE_MAP_ENTRY_SIZE 74
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
138
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
139 int vos_read_alloc_module_map(FILE * f, vos_program_module *header)
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
140 {
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
141 if (header->module_map_len != header->n_modules * MODULE_MAP_ENTRY_SIZE)
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
142 {
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
143 return 0;
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
144 }
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
145 uint8_t * buf = malloc(header->module_map_len);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
146 fseek(f, header->module_map_address + 0x1000 - header->user_boundary, SEEK_SET);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
147 if (fread(buf, 1, header->module_map_len, f) != header->module_map_len)
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
148 {
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
149 free(buf);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
150 return 0;
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
151 }
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
152 uint8_t * cur = buf;
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
153 header->module_map_entries = malloc(sizeof(vos_module_map_entry) * header->n_modules);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
154 for (int i = 0; i < header->n_modules; i++)
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
155 {
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
156 string(&cur, header->module_map_entries[i].name);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
157 for (int j = 0; j < 5; j++)
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
158 {
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
159 header->module_map_entries[i].unknown[j] = big16(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
160 }
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
161 header->module_map_entries[i].code_address = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
162 header->module_map_entries[i].code_length = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
163 header->module_map_entries[i].foo_address = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
164 header->module_map_entries[i].foo_length = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
165 header->module_map_entries[i].bar_address = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
166 header->module_map_entries[i].bar_length = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
167 for (int j = 0; j < 3; j++)
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
168 {
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
169 header->module_map_entries[i].unknown2[j] = big16(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
170 }
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
171 }
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
172 return 1;
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
173 }
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
174
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
175 #define EXTERNAL_VAR_ENTRY_SIZE 44
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
176
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
177 int vos_read_alloc_external_vars(FILE * f, vos_program_module *header)
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
178 {
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
179 if (header->external_vars_map_len != header->n_external_vars * EXTERNAL_VAR_ENTRY_SIZE)
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
180 {
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
181 return 0;
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
182 }
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
183 uint8_t * buf = malloc(header->external_vars_map_len);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
184 fseek(f, header->external_vars_map_address + 0x1000 - header->user_boundary, SEEK_SET);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
185 if (fread(buf, 1, header->external_vars_map_len, f) != header->external_vars_map_len)
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
186 {
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
187 free(buf);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
188 return 0;
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
189 }
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
190 uint8_t * cur = buf;
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
191 header->external_vars = malloc(sizeof(vos_external_var_entry) * header->n_external_vars);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
192 for (int i = 0; i < header->n_external_vars; i++)
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
193 {
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
194 string(&cur, header->external_vars[i].name);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
195 header->external_vars[i].address = big32(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
196 for (int j = 0; j < 3; j++)
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
197 {
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
198 header->external_vars[i].unknown[j] = big16(&cur);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
199 }
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
200 }
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
201 return 1;
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
202 }
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
203
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
204 void vos_header_cleanup(vos_program_module *header)
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
205 {
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
206 free(header->module_map_entries);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
207 free(header->external_vars);
de6f00204fa2 Add support for disassembling VOS program modules
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
208 }