Rev 1063 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
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| 1063 | tullio | 1 | |
| 2 | /* |
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| 3 | * This program is free software; you can redistribute it and/or modify |
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| 4 | * it under the terms of the GNU General Public License as published by |
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| 5 | * the Free Software Foundation; either version 2 of the License, or |
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| 6 | * (at your option) any later version. |
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| 7 | * |
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| 8 | * This program is distributed in the hope that it will be useful, |
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| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 11 | * GNU General Public License for more details. |
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| 12 | * |
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| 13 | * You should have received a copy of the GNU General Public License |
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| 14 | * along with this program; if not, write to the Free Software |
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| 15 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 16 | * |
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| 17 | */ |
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| 18 | |||
| 498 | giacomo | 19 | #include <FTrace_chunk.h> |
| 20 | #include <FTrace_OSD.h> |
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| 21 | #include <FTrace_types.h> |
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| 22 | |||
| 550 | giacomo | 23 | #include <FTrace_udp.h> |
| 24 | |||
| 498 | giacomo | 25 | #include <kernel/kern.h> |
| 26 | #include <stdlib.h> |
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| 27 | |||
| 28 | SYS_FLAGS FTracef; |
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| 29 | |||
| 30 | extern FTrace_Chunk_Ptr ActualChunk; |
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| 532 | giacomo | 31 | extern void *OSD_current_pointer; |
| 498 | giacomo | 32 | |
| 1027 | tullio | 33 | /** |
| 34 | * This flag keeps track of the current chunk sending action. |
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| 35 | * It is 1 if the output is still ongoing. |
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| 36 | * It is reset to 0 if the output is finished. |
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| 37 | */ |
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| 38 | int chunk_sending = 0; |
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| 39 | |||
| 40 | /** |
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| 41 | * Pointer to the function that actually perform the chunk send. |
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| 42 | */ |
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| 43 | void (*FTrace_internal_send_chunk)(FTrace_Chunk_Ptr) = NULL; |
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| 44 | |||
| 45 | /** |
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| 46 | * Initializes the poiter to the function for actually sending the chunk. |
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| 47 | */ |
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| 48 | void FTrace_set_internal_chunk_sender(void (*ptr)(FTrace_Chunk_Ptr)) { |
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| 49 | FTrace_internal_send_chunk = ptr; |
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| 50 | } |
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| 51 | |||
| 52 | /** |
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| 53 | * This function is called before starting the chunck sending. |
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| 54 | */ |
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| 55 | void FTrace_chunck_output_start() { |
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| 56 | chunk_sending = 1; |
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| 57 | } |
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| 58 | |||
| 59 | /** |
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| 60 | * This function is called after the chunck has been entirely sent. |
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| 61 | */ |
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| 62 | void FTrace_chunck_output_end() { |
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| 63 | chunk_sending = 0; |
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| 64 | } |
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| 65 | |||
| 66 | |||
| 498 | giacomo | 67 | void FTrace_fsave() |
| 68 | { |
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| 69 | |||
| 563 | giacomo | 70 | __asm__("cpuid\n\t":::"eax","ebx","ecx","edx"); |
| 498 | giacomo | 71 | FTracef = kern_fsave(); |
| 72 | |||
| 73 | } |
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| 74 | |||
| 75 | void FTrace_frestore() |
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| 76 | { |
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| 563 | giacomo | 77 | __asm__("cpuid\n\t":::"eax","ebx","ecx","edx"); |
| 498 | giacomo | 78 | kern_frestore(FTracef); |
| 79 | |||
| 80 | } |
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| 81 | |||
| 82 | void FTrace_lock() |
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| 83 | { |
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| 84 | |||
| 85 | } |
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| 86 | |||
| 87 | void FTrace_unlock() |
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| 88 | { |
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| 89 | |||
| 90 | } |
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| 91 | |||
| 92 | void *FTrace_malloc(int size) |
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| 93 | { |
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| 94 | |||
| 95 | return malloc(size); |
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| 96 | |||
| 97 | } |
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| 98 | |||
| 99 | void FTrace_free(void *ptr) |
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| 100 | { |
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| 101 | |||
| 102 | free(ptr); |
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| 103 | |||
| 104 | } |
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| 105 | |||
| 106 | int FTrace_OSD_init() |
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| 107 | { |
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| 108 | |||
| 109 | return 0; |
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| 110 | |||
| 111 | } |
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| 112 | |||
| 501 | giacomo | 113 | /* OSD_pointers |
| 532 | giacomo | 114 | |
| 534 | giacomo | 115 | 00 - Actual Chunk Position |
| 116 | 04 - Actual Chunk Start |
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| 117 | 08 - Actual Chunk Size |
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| 118 | 12 - Actual Chunk Emergency Size |
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| 119 | 16 - Actual Chunk Flags |
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| 501 | giacomo | 120 | |
| 534 | giacomo | 121 | 20 - Next Chunk OSD Pointer |
| 501 | giacomo | 122 | |
| 123 | */ |
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| 124 | |||
| 125 | int FTrace_OSD_chunk_init(FTrace_Chunk_Ptr c, int size, int emergency_size, FTrace_flags flags) |
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| 498 | giacomo | 126 | { |
| 127 | |||
| 532 | giacomo | 128 | *(DWORD *)(c->osd) = (DWORD)(c->osd + FTRACE_OSD_CHUNK_HEAD); |
| 501 | giacomo | 129 | *(DWORD *)(c->osd + 4) = (DWORD)(c->osd + FTRACE_OSD_CHUNK_HEAD); |
| 534 | giacomo | 130 | *(DWORD *)(c->osd + 8) = (DWORD)(c->size); |
| 131 | *(DWORD *)(c->osd + 12) = (DWORD)(c->emergency_size); |
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| 132 | *(DWORD *)(c->osd + 16) = (DWORD)(c->flags); |
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| 133 | *(DWORD *)(c->osd + 20) = 0; |
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| 501 | giacomo | 134 | |
| 498 | giacomo | 135 | return 0; |
| 136 | |||
| 137 | } |
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| 138 | |||
| 139 | /* OSD Chunk Link */ |
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| 532 | giacomo | 140 | int FTrace_OSD_chunk_link(FTrace_Chunk_Ptr a, FTrace_Chunk_Ptr b) |
| 498 | giacomo | 141 | { |
| 142 | |||
| 534 | giacomo | 143 | *(DWORD *)(a->osd + 20) = (DWORD)(b->osd); |
| 498 | giacomo | 144 | |
| 145 | return 0; |
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| 146 | |||
| 147 | } |
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| 148 | |||
| 503 | giacomo | 149 | int FTrace_OSD_update_chunk_flags(FTrace_Chunk_Ptr c) |
| 150 | { |
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| 151 | |||
| 534 | giacomo | 152 | *(DWORD *)(c->osd + 16) = (DWORD)(c->flags); |
| 503 | giacomo | 153 | |
| 154 | return 0; |
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| 155 | |||
| 156 | } |
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| 157 | |||
| 498 | giacomo | 158 | int FTrace_OSD_compress_chunk(int number, void *temp_data, int *data_size) |
| 159 | { |
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| 160 | |||
| 161 | return 0; |
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| 162 | |||
| 163 | } |
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| 164 | |||
| 1027 | tullio | 165 | int FTrace_OSD_send_chunk(FTrace_Chunk_Ptr c, int osd_flag) { |
| 498 | giacomo | 166 | |
| 1027 | tullio | 167 | // Tool: send the chunk using the selected method |
| 168 | if (FTrace_internal_send_chunk != NULL) |
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| 169 | FTrace_internal_send_chunk(c); |
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| 552 | giacomo | 170 | |
| 1027 | tullio | 171 | |
| 172 | struct timespec t; |
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| 173 | t.tv_sec = 2; |
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| 174 | t.tv_nsec = 0; |
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| 175 | //cprintf("Chunk sending"); // Tool: DEBUG |
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| 176 | while(chunk_sending) { |
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| 177 | //cprintf("."); // Tool: DEBUG |
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| 178 | nanosleep(&t,NULL); |
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| 179 | } |
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| 180 | //cprintf("\n"); // Tool: DEBUG |
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| 550 | giacomo | 181 | |
| 498 | giacomo | 182 | return 0; |
| 183 | } |
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| 184 | |||
| 534 | giacomo | 185 | int FTrace_OSD_chunk_dump(FTrace_Chunk_Ptr c) |
| 186 | { |
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| 498 | giacomo | 187 | |
| 534 | giacomo | 188 | FTrace_printf("Position : %x\n",*(int *)(c->osd)); |
| 189 | FTrace_printf("Start : %x\n",*(int *)(c->osd+4)); |
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| 190 | FTrace_printf("Size : %d\n",*(int *)(c->osd+8)); |
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| 191 | FTrace_printf("Em-Size : %d\n",*(int *)(c->osd+12)); |
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| 192 | FTrace_printf("Flags : %x\n",*(int *)(c->osd+16)); |
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| 193 | FTrace_printf("Next : %x\n\n",*(int *)(c->osd+20)); |
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| 194 | |||
| 195 | return 0; |
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| 196 | |||
| 197 | } |
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| 198 | |||
| 199 |