source: ps2launchargs/source/uLaunchELF/hdl_info/hdl.c@ 1127

Last change on this file since 1127 was 1101, checked in by iritscen, 7 years ago

Added following to ps2launchargs:\n-Source code.\n-DLL needed to run ps2client.\n-Instructions for building uLaunchELF.
  • Property svn:executable set to *
File size: 5.5 KB
Line 
1//--------------------------------------------------------------
2//File name: hdl.c
3//--------------------------------------------------------------
4#include <thbase.h>
5#include <stdio.h>
6#include <sysclib.h>
7#include <cdvdman.h>
8#include <iomanX.h>
9#include <sysmem.h>
10
11#include "ps2_hdd.h"
12#include "hdd.h"
13#include "hdl.h"
14#include "apa.h"
15
16//--------------------------------------------------------------
17void hdl_glist_free (hdl_games_list_t *glist)
18{
19 if (glist != NULL)
20 {
21 FreeSysMemory (glist->games);
22 FreeSysMemory (glist);
23 }
24}
25//------------------------------
26//endfunc hdl_glist_free
27//--------------------------------------------------------------
28static int hdl_ginfo_read (hio_t *hio, const ps2_partition_header_t *part, hdl_game_info_t *ginfo)
29{
30 u_long i, size;
31 /* data we're interested in starts @ 0x101000 and is header
32 * plus information for up to 65 partitions
33 * (1 main + 64 sub) by 12 bytes each */
34 const u_long offset = 0x101000;
35 char buffer [1024];
36 int result;
37 u_long bytes;
38
39 result = hio->read(hio, get_u32 (&part->start) + offset / 512, 2, buffer, &bytes);
40 if (result == 0)
41 {
42 if (bytes == 1024)
43 {
44 /* calculate total size */
45 size = get_u32 (&part->length);
46 for (i=0; i<get_u32 (&part->nsub); ++i)
47 size += get_u32 (&part->subs [i].length);
48
49 memcpy (ginfo->partition_name, part->id, PS2_PART_IDMAX);
50 ginfo->partition_name [PS2_PART_IDMAX] = '\0';
51 strcpy (ginfo->name, buffer + 8);
52 strcpy (ginfo->startup, buffer + 0xac);
53 ginfo->compat_flags = buffer [0xa8];
54 ginfo->is_dvd = buffer [0xec] == 0x14;
55 ginfo->start_sector = get_u32 (&part->start);
56 ginfo->total_size_in_kb = size / 2;
57 }
58 else result = -1;
59 }
60 return (result);
61}
62//------------------------------
63//endfunc hdl_ginfo_read
64//--------------------------------------------------------------
65int hdl_glist_read (hio_t *hio, hdl_games_list_t **glist)
66{
67 apa_partition_table_t *ptable;
68 int result;
69
70 result = apa_ptable_read_ex (hio, &ptable);
71 if (result == 0){
72 u_long i, count = 0;
73 void *tmp;
74 for (i=0; i<ptable->part_count; ++i)
75 count += (get_u16 (&ptable->parts [i].header.flags) == 0x00 &&
76 get_u16 (&ptable->parts [i].header.type) == 0x1337);
77
78 tmp = AllocSysMemory(0, (sizeof (hdl_game_info_t) * count), NULL);
79 if (tmp != NULL){
80 memset (tmp, 0, sizeof (hdl_game_info_t) * count);
81 *glist = AllocSysMemory(0, sizeof (hdl_games_list_t), NULL);
82 if (*glist != NULL){
83 u_long index = 0;
84 memset (*glist, 0, sizeof (hdl_games_list_t));
85 (*glist)->count = count;
86 (*glist)->games = tmp;
87 (*glist)->total_chunks = ptable->total_chunks;
88 (*glist)->free_chunks = ptable->free_chunks;
89 for (i=0; result==0&&i<ptable->part_count; ++i){
90 const ps2_partition_header_t *part = &ptable->parts [i].header;
91 if (get_u16 (&part->flags) == 0x00 && get_u16 (&part->type) == 0x1337)
92 result = hdl_ginfo_read (hio, part, (*glist)->games + index++);
93 }
94 if (result != 0)
95 FreeSysMemory(*glist);
96 } else
97 result = -2;
98 if (result != 0)
99 FreeSysMemory(tmp);
100 } else result = -2;
101
102 apa_ptable_free (ptable);
103 } else { //apa_ptable_read_ex failed
104 }
105 return result;
106}
107//------------------------------
108//endfunc hdl_glist_read
109//--------------------------------------------------------------
110static int hdl_ginfo_write (hio_t *hio, const ps2_partition_header_t *part, hdl_game_info_t *ginfo)
111{
112 const u_long offset = 0x101000;
113 char buffer [1024];
114 int result;
115 u_long bytes;
116
117 result = hio->read(hio, get_u32(&part->start) + offset / 512, 2, buffer, &bytes);
118
119 memset(buffer + 8, 0, PS2_PART_NAMEMAX);
120 memcpy(buffer + 8, ginfo->name, PS2_PART_NAMEMAX);
121
122 result = hio->write(hio, get_u32(&part->start) + offset / 512, 2, buffer, &bytes);
123
124 return result;
125}
126//------------------------------
127//endfunc hdl_ginfo_write
128//--------------------------------------------------------------
129int hdl_glist_write (hio_t *hio, hdl_game_info_t *ginfo)
130{
131 hdl_games_list_t *tmplist;
132 apa_partition_table_t *ptable;
133 int result;
134
135 result = apa_ptable_read_ex (hio, &ptable);
136 if (result == 0)
137 {
138 u_long i, count = 0;
139 void *tmp;
140 for (i=0; i<ptable->part_count; ++i)
141 count += (get_u16 (&ptable->parts [i].header.flags) == 0x00 &&
142 get_u16 (&ptable->parts [i].header.type) == 0x1337);
143
144 tmp = AllocSysMemory(0, (sizeof (hdl_game_info_t) * count), NULL);
145 if (tmp != NULL)
146 {
147 memset (tmp, 0, sizeof (hdl_game_info_t) * count);
148 tmplist = AllocSysMemory(0, sizeof (hdl_games_list_t), NULL);
149 if (tmplist != NULL)
150 {
151 u_long index = 0;
152 memset (tmplist, 0, sizeof (hdl_games_list_t));
153 tmplist->count = count;
154 tmplist->games = tmp;
155 tmplist->total_chunks = ptable->total_chunks;
156 tmplist->free_chunks = ptable->free_chunks;
157 for (i=0; result==0&&i<ptable->part_count; ++i)
158 {
159 const ps2_partition_header_t *part = &ptable->parts [i].header;
160 if (get_u16 (&part->flags) == 0x00 && get_u16 (&part->type) == 0x1337){
161 result = hdl_ginfo_read(hio, part, tmplist->games + index++);
162 if(!strcmp(tmplist->games[index-1].partition_name, ginfo->partition_name)){
163 result = hdl_ginfo_write(hio, part, ginfo);
164 break;
165 }
166 }
167 }
168 FreeSysMemory(tmplist);
169 }
170 else result = -2;
171 if (result != 0) FreeSysMemory(tmp);
172 }
173 else result = -2;
174
175 apa_ptable_free (ptable);
176 }
177 return result;
178}
179//------------------------------
180//endfunc hdl_glist_write
181//--------------------------------------------------------------
182//End of file: hdl.c
183//--------------------------------------------------------------
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