1 /*
2 types for ghidra
3 pulled from various parts of the CHDK source
4
5 see fw_functions.h for required defines and other details
6 */
7
8 #ifndef FW_TYPES_H
9 #define FW_TYPES_H
10 struct led_control {int led_num; int action; int brightness; int blink_count;};
11
12 #if !CAM_DRYOS_REL
13
14 struct __stat // VxWorks
15 {
16 unsigned long st_dev; /* device ID number */
17 unsigned long st_ino; /* file serial number */
18 unsigned short st_mode; /* file mode (see below) */
19 short st_nlink; /* number of links to file */
20 short st_uid; /* user ID of file's owner */
21 short st_gid; /* group ID of file's group */
22 unsigned long st_rdev; /* device ID, only if special file */
23 unsigned long st_size; /* size of file, in bytes */
24 unsigned long st_atime; /* time of last access */
25 unsigned long st_mtime; /* time of last modification */
26 unsigned long st_ctime; /* time of last change of file status */
27 long st_blksize;
28 long st_blocks;
29 unsigned char st_attrib; /* file attribute byte (dosFs only) */
30 int reserved1; /* reserved for future use */
31 int reserved2; /* reserved for future use */
32 int reserved3; /* reserved for future use */
33 int reserved4; /* reserved for future use */
34 int reserved5; /* reserved for future use */
35 int reserved6; /* reserved for future use */
36 };
37
38 #elif CAM_DRYOS_REL < 39
39 struct __stat // DryOS pre R39
40 {
41 unsigned long st_dev; //?
42 unsigned long st_ino; //?
43 unsigned short st_mode; //?
44 short st_nlink; //?
45 short st_uid; //?
46 short st_gid; //?
47 unsigned long st_atime; //?
48 unsigned long st_mtime; //?
49 unsigned long st_ctime; //?
50 unsigned long st_size;
51 long st_blksize; //?
52 long st_blocks; //?
53 unsigned char st_attrib;
54 int reserved1; //
55 int reserved2; //
56 int reserved3; //
57 int reserved4; //
58 int reserved5; //
59 int reserved6; //
60 };
61
62 #elif CAM_DRYOS_REL < 59
63
64 struct __stat // DryOS R39...R58
65 {
66 unsigned long st_unknown_1;
67 unsigned long st_attrib;
68 unsigned long st_size;
69 unsigned long st_ctime;
70 unsigned long st_mtime;
71 unsigned long st_unknown_2;
72 };
73
74 #else
75
76 struct __stat // DryOS >= R59
77 {
78 unsigned long st_unknown_1;
79 unsigned long st_attrib;
80 unsigned long st_size; // fixme: very likely 64bit, upper 32 bit is st_unknown_2
81 unsigned long st_unknown_2;
82 unsigned long st_ctime;
83 unsigned long st_mtime;
84 unsigned long st_unknown_3;
85 };
86
87 #endif//CAM_DRYOS_REL
88
89 // from ptp_chdk.h
90 typedef struct {
91 int code;
92 int sess_id;
93 int trans_id;
94 int num_param;
95 int param1;
96 int param2;
97 int param3;
98 int param4;
99 int param5;
100 } PTPContainer;
101
102 typedef struct {
103 int handle;
104 int (*send_data)(int handle, const char *buf, int part_size, int total_size, int, int, int); // (0xFF9F525C), total_size should be 0 except for the first call
105 int (*recv_data)(int handle, char *buf, int size, int, int); // (0xFF9F5500)
106 #ifdef VX_OLD_PTP
107 int (*send_resp)(int handle, PTPContainer *resp, int zero); // (0xFF9F5688), ixus30/40 needs a third argument, which is always 0
108 #else
109 int (*send_resp)(int handle, PTPContainer *resp); // extra param messes up analysis
110 #endif
111 int (*get_data_size)(int handle); // (0xFF9F5830)
112 int (*send_err_resp)(int handle, PTPContainer *resp); // (0xFF9F5784)
113 int unknown1; // ???
114 int (*f2)(); // ??? (0xFF8D5B24)
115 int (*f3)(); // ??? (0xFF8D5B5C)
116 int more[1];
117 // more??
118 } ptp_data;
119
120 typedef int (*ptp_handler)(int, ptp_data*, int, int, int, int, int, int, int, int);
121
122 // made up, for eventproc table functions
123 typedef struct {
124 const char *name;
125 int (*func)();
126 } eventproc_table_entry;
127
128 // based on include/std/stdio.h
129 // reverse engineered file struct. Appears to be valid for both vxworks and dryos
130 // don't use this directly unless you absolutely need to
131 // don't EVER try to create one yourself, as this isn't the full structure.
132 typedef struct FILE_S {
133 int fd; // used by Read/Write
134 unsigned len; // +4 verfied in Fseek_FileStream
135 int unk0; // +8
136 unsigned pos; // +0xC verified in Fseek_FileStream
137 /* below not used in CHDK */
138 int unk1; // +0x10
139 int unk2; // +0x14
140 char * io_buf; // +0x18 32k uncached allocated in Fopen_FileStream
141 int unk3; // +0x20 related to StartFileAccess_Sem
142 char name[127]; // in reality, allocated dynamically but giving length gives better decompilation
143 } FILE;
144
145
146 // first parameter to mzrm_createmsg / mzrm_sendmsg
147 typedef struct mzrm_context_s mzrm_context;
148 typedef struct mzrm_context_s {
149 int unk0;
150 int sem;
151 unsigned alloc_avail;
152 int unk1;
153 int index1; // probably a circular buffer of some kind?
154 int index2;
155 int unk2[3];
156 void (*maybe_wait_fn)(mzrm_context *ctx);
157 int unk3[2]; // possibly more
158 };
159
160 typedef struct mzrm_msg_s {
161 int msg_type;
162 int unk;
163 int payload_size;
164 int payload[16]; // actual size varies
165 } mzrm_msg;
166 #endif
167