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comparison src/gpf/osl/os_mis_fl.c @ 6:8b2a9a374324

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src/gpf: addition of Magnetite src/gpf2
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 15 Jul 2018 08:15:49 +0000
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5:1ea54a97e831 6:8b2a9a374324
1 /*
2 * This C module is a reconstruction based on the disassembly of
3 * os_mis.obj in frame_na7_db_fl.lib from the Leonardo package.
4 */
5
6 /* set of included headers from COFF symtab, slightly reordered: */
7 #include <stddef.h>
8 #include <stdio.h>
9 #include <string.h>
10 #if 0 /* from first attempt at gcc-built fw, currently unused */
11 #include "../../riviera/rv/general.h"
12 #include "../../riviera/rv/rv_general.h"
13 #include "../../riviera/rvf/rvf_api.h"
14 #include "../../services/ffs/ffs.h"
15 #endif
16 #include "nucleus.h"
17 #include "typedefs.h"
18 #include "os.h"
19 #include "gdi.h"
20 #include "os_types.h"
21 #include "os_glob.h"
22 #include "header.h"
23 #include "vsi.h"
24 #if 0 /* from first attempt at gcc-built fw, currently unused */
25 #include "drvconf.h"
26 #include "../tst_pei/tstdriver.h"
27 #endif
28 #include "dar_func.h"
29 #include "tools.h"
30
31 typedef unsigned char u_char;
32
33 char *NU_State[13] = {
34 "NU_READY",
35 "",
36 "NU_SLEEP_SUSPEND",
37 "",
38 "",
39 "NU_QUEUE_SUSPEND",
40 "NU_SEMAPHORE_SUSPEND",
41 "",
42 "NU_PARTITION_SUSPEND",
43 "NU_MEMORY_SUSPEND",
44 "",
45 "NU_FINISHED",
46 "NU_TERMINATED",
47 };
48
49 char *msg_type[4] = {
50 "",
51 "PRIMITIVE",
52 "SIGNAL",
53 "TIMEOUT",
54 };
55
56 char *warning = "SYSTEM WARNING: ";
57
58 T_GPF_DAR_PROPERTIES *dar;
59 T_GPF_DAR_STRUCT os_dar;
60 NU_PROTECT os_mis_Protect;
61 u_char SystemErrorBuffer[256];
62 u_char DARErrorBuffer[256];
63
64 static u_char state;
65 static int fd;
66 static unsigned bytes_read;
67 static u_char *msg;
68 static unsigned count;
69 static unsigned data_len;
70 static unsigned dar_wrap_around;
71 static unsigned dar_buffer_count;
72 static unsigned dar_wrap_around_detected;
73
74 LONG
75 os_read_dar_ffs_data(USHORT entry, char *buffer, USHORT len)
76 {
77 /*
78 * This function is only used to implement the READ_DAR_FILE
79 * system primitive; this frill feature is currently deemed
80 * not important enough to expend the effort to reconstruct
81 * this function from disassembly.
82 */
83 return(OS_ERROR);
84 }
85
86 LONG
87 os_dar_set_filter(void)
88 {
89 if (dar)
90 dar->diagnose_swe_filter(dar->gpf_use_id, dar->warning);
91 return(OS_OK);
92 }
93
94 LONG
95 os_dar_register(const void *dar_properties)
96 {
97 if (dar_properties) {
98 os_dar.properties = (T_GPF_DAR_PROPERTIES *) dar_properties;
99 os_dar.magic_nr = DAR_INITIALIZED;
100 dar = (T_GPF_DAR_PROPERTIES *) dar_properties;
101 }
102 return(OS_OK);
103 }
104
105 void
106 os_dar_init(void)
107 {
108 if (os_dar.magic_nr != DAR_INITIALIZED)
109 dar = 0;
110 }
111
112 void
113 os_SystemError(OS_HANDLE Caller, USHORT cause, char *buffer)
114 {
115 /*
116 * The implementation of this function in the binary blob
117 * which we are reversing is very complex. I am leaving it
118 * as an empty stub for now. - Space Falcon
119 */
120 }
121
122 GLOBAL LONG
123 os_ObjectInformation(OS_HANDLE Caller, USHORT Id, USHORT Handle, USHORT len,
124 void *Buffer)
125 {
126 switch (Id) {
127 case OS_OBJTASK:
128 return os_TaskInformation(Handle, Buffer);
129 case OS_OBJQUEUE:
130 return os_QueueInformation(Handle, Buffer);
131 case OS_OBJPARTITIONGROUP:
132 return os_PartitionInformation(Handle, Buffer);
133 case OS_OBJMEMORYPOOL:
134 return os_MemoryInformation(Handle, Buffer);
135 case OS_OBJTIMER:
136 return os_TimerInformation(Handle, Buffer);
137 case OS_OBJSEMAPHORE:
138 return os_SemaphoreInformation(Handle, Buffer);
139 default:
140 return(OS_ERROR);
141 }
142 }
143
144 GLOBAL LONG
145 os_Initialize(void)
146 {
147 if (os_SemInit() == OS_ERROR)
148 return(OS_ERROR);
149 if (os_ProInit() == OS_ERROR)
150 return(OS_ERROR);
151 if (os_ComInit() == OS_ERROR)
152 return(OS_ERROR);
153 if (os_MemInit() == OS_ERROR)
154 return(OS_ERROR);
155 if (os_TimInit() == OS_ERROR)
156 return(OS_ERROR);
157 if (os_isr_init() == OS_ERROR)
158 return(OS_ERROR);
159 #if 0
160 if (os_EvGrpInit() == OS_ERROR)
161 return(OS_ERROR);
162 #endif
163 /*
164 * The original code zeroes out the first 32-bit word of
165 * os_mis_Protect here. We don't really need to do that,
166 * as it is a zeroed-on-boot bss var.
167 */
168 os_dar_init(); /* inlined in the original */
169 return(OS_OK);
170 }