projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b A |
1 | /* |
| 2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_LICENSE_HEADER_START@ | |
| 5 | * | |
| d7e50217 | 6 | * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. |
| 1c79356b | 7 | * |
| d7e50217 A |
8 | * This file contains Original Code and/or Modifications of Original Code |
| 9 | * as defined in and that are subject to the Apple Public Source License | |
| 10 | * Version 2.0 (the 'License'). You may not use this file except in | |
| 11 | * compliance with the License. Please obtain a copy of the License at | |
| 12 | * http://www.opensource.apple.com/apsl/ and read it before using this | |
| 13 | * file. | |
| 14 | * | |
| 15 | * The Original Code and all software distributed under the License are | |
| 16 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 1c79356b A |
17 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 18 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| d7e50217 A |
19 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| 20 | * Please see the License for the specific language governing rights and | |
| 21 | * limitations under the License. | |
| 1c79356b A |
22 | * |
| 23 | * @APPLE_LICENSE_HEADER_END@ | |
| 24 | */ | |
| 25 | /* | |
| 26 | * This file contains firmware code. | |
| 27 | * | |
| 28 | */ | |
| 29 | ||
| 30 | #include <cpus.h> | |
| 31 | #include <debug.h> | |
| 32 | #include <mach_vm_debug.h> | |
| 33 | #include <db_machine_commands.h> | |
| 34 | ||
| 35 | #include <kern/thread.h> | |
| 36 | #include <mach/vm_attributes.h> | |
| 37 | #include <mach/vm_param.h> | |
| 38 | #include <kern/spl.h> | |
| 39 | ||
| 40 | #include <kern/misc_protos.h> | |
| 41 | #include <ppc/misc_protos.h> | |
| 42 | #include <ppc/proc_reg.h> | |
| 43 | #include <ppc/mem.h> | |
| 44 | #include <ppc/pmap.h> | |
| 1c79356b A |
45 | #include <ppc/new_screen.h> |
| 46 | #include <ppc/Firmware.h> | |
| 47 | #include <ppc/mappings.h> | |
| 1c79356b A |
48 | #include <pexpert/pexpert.h> |
| 49 | #include <ddb/db_output.h> | |
| 50 | ||
| 51 | extern Boot_Video boot_video_info; | |
| 52 | Boot_Video dgVideo; | |
| 53 | extern GDWorkArea GratefulDebWork[]; | |
| 54 | ||
| 55 | typedef struct RuptCtr { /* Counts hardware interrupts */ | |
| 56 | struct GDpos { /* Screen position for Grateful Deb display */ | |
| 57 | unsigned short col; /* Column (-1 means no display) */ | |
| 58 | unsigned short row; /* Row */ | |
| 59 | } GDpos; | |
| 60 | unsigned int count; /* Count of interrupt */ | |
| 61 | unsigned int timed; /* If set, count updates at timed rate */ | |
| 62 | unsigned int lasttime; /* Low of timebase when last updated */ | |
| 63 | } RuptCtr; | |
| 64 | ||
| 65 | /* Window layout for Grateful Deb: | |
| 66 | * | |
| 67 | * 0 9 | |
| 68 | * | |
| 69 | * 0 Total Decrimenter | |
| 70 | * 1 DSI ISI | |
| 71 | * 2 System call External | |
| 72 | * 3 SIGP Floating point | |
| 73 | * 4 Program Alignment | |
| 74 | */ | |
| 75 | ||
| 76 | ||
| 77 | ||
| 78 | ||
| 79 | ||
| 80 | RuptCtr RuptCtrs[96] = { | |
| 81 | { { 0, 0}, 0, 1 }, /* Total interruptions */ | |
| 82 | { {-1, -1}, 0, 0 }, /* Reset */ | |
| 83 | { {-1, -1}, 0, 0 }, /* Machine check */ | |
| 84 | { { 0, 1}, 0, 1 }, /* DSIs */ | |
| 85 | { { 1, 1}, 0, 1 }, /* ISIs */ | |
| 86 | { { 1, 2}, 0, 1 }, /* Externals */ | |
| 87 | { { 1, 4}, 0, 0 }, /* Alignment */ | |
| 88 | { { 0, 4}, 0, 0 }, /* Program */ | |
| 89 | { { 1, 3}, 0, 0 }, /* Floating point */ | |
| 90 | { { 1, 0}, 0, 1 }, /* Decrementer */ | |
| 91 | { {-1, -1}, 0, 0 }, /* I/O error */ | |
| 92 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 93 | { { 0, 2}, 0, 1 }, /* System call */ | |
| 94 | { {-1, -1}, 0, 0 }, /* Trace */ | |
| 95 | { {-1, -1}, 0, 0 }, /* Floating point assist */ | |
| 96 | { {-1, -1}, 0, 0 }, /* Performance monitor */ | |
| 97 | { {-1, -1}, 0, 0 }, /* VMX */ | |
| 98 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 99 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 100 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 101 | { {-1, -1}, 0, 0 }, /* Instruction breakpoint */ | |
| 102 | { {-1, -1}, 0, 0 }, /* System management */ | |
| 103 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 104 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 105 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 106 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 107 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 108 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 109 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 110 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 111 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 112 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 113 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 114 | { {-1, -1}, 0, 0 }, /* Trace */ | |
| 115 | { { 0, 3}, 0, 0 }, /* SIGP */ | |
| 116 | { {-1, -1}, 0, 0 }, /* Preemption */ | |
| 117 | { {-1, -1}, 0, 0 }, /* Context switch */ | |
| 118 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 119 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 120 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 121 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 122 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 123 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 124 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 125 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 126 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 127 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 128 | { {-1, -1}, 0, 0 }, /* Special, update frequency controls */ | |
| 129 | ||
| 130 | /* Start of second processor counts */ | |
| 131 | ||
| 132 | { { 0, 0}, 0, 1 }, /* Total interruptions */ | |
| 133 | { {-1, -1}, 0, 0 }, /* Reset */ | |
| 134 | { {-1, -1}, 0, 0 }, /* Machine check */ | |
| 135 | { { 0, 1}, 0, 1 }, /* DSIs */ | |
| 136 | { { 1, 1}, 0, 1 }, /* ISIs */ | |
| 137 | { { 1, 2}, 0, 1 }, /* Externals */ | |
| 138 | { { 1, 4}, 0, 0 }, /* Alignment */ | |
| 139 | { { 0, 4}, 0, 0 }, /* Program */ | |
| 140 | { { 1, 3}, 0, 0 }, /* Floating point */ | |
| 141 | { { 1, 0}, 0, 1 }, /* Decrementer */ | |
| 142 | { {-1, -1}, 0, 0 }, /* I/O error */ | |
| 143 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 144 | { { 0, 2}, 0, 1 }, /* System call */ | |
| 145 | { {-1, -1}, 0, 0 }, /* Trace */ | |
| 146 | { {-1, -1}, 0, 0 }, /* Floating point assist */ | |
| 147 | { {-1, -1}, 0, 0 }, /* Performance monitor */ | |
| 148 | { {-1, -1}, 0, 0 }, /* VMX */ | |
| 149 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 150 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 151 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 152 | { {-1, -1}, 0, 0 }, /* Instruction breakpoint */ | |
| 153 | { {-1, -1}, 0, 0 }, /* System management */ | |
| 154 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 155 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 156 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 157 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 158 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 159 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 160 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 161 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 162 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 163 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 164 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 165 | { {-1, -1}, 0, 0 }, /* Trace */ | |
| 166 | { { 0, 3}, 0, 0 }, /* SIGP */ | |
| 167 | { {-1, -1}, 0, 0 }, /* Preemption */ | |
| 168 | { {-1, -1}, 0, 0 }, /* Context switch */ | |
| 169 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 170 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 171 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 172 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 173 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 174 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 175 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 176 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 177 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 178 | { {-1, -1}, 0, 0 }, /* Reserved */ | |
| 179 | { {-1, -1}, 0, 0 } /* Special, update frequency controls */ | |
| 180 | }; | |
| 181 | ||
| 182 | void GratefulDebInit(bootBumbleC *boot_video_info) { /* Initialize the video debugger */ | |
| 183 | ||
| 184 | unsigned int fillframe[256]; | |
| 185 | unsigned int startpos, startbyte, windowleft, newwidth, i, j, startword, oldwidth, nrmlgn; | |
| 186 | unsigned int nwords, *byteleft, lstlgn, pixlgn, bytelgn; | |
| 187 | ||
| 188 | if(!boot_video_info) { /* Are we disabling it? | |
| 189 | GratefulDebWork[0].GDready = 0; /* Disable output */ | |
| 190 | return; | |
| 191 | } | |
| 192 | ||
| 193 | nrmlgn = (9 * GDfontsize) * (boot_video_info->v_depth / 8); /* Get the normal column size in bytes */ | |
| 194 | lstlgn = (((8 * GDfontsize) + (GDfontsize >> 1)) * boot_video_info->v_depth) / 8; /* Same as normal, but with 1/2 character space */ | |
| 195 | nrmlgn = (nrmlgn + 31) & -32; /* Round to a line */ | |
| 196 | ||
| 197 | bytelgn = (nrmlgn * (GDdispcols - 1)) + lstlgn; /* Length in bytes */ | |
| 198 | pixlgn = bytelgn / (boot_video_info->v_depth / 8); /* Number of pixels wide */ | |
| 199 | ||
| 200 | startbyte = (boot_video_info->v_width * (boot_video_info->v_depth / 8)) - bytelgn; /* Get the starting byte unaligned */ | |
| 201 | startpos = boot_video_info->v_width - pixlgn; /* Starting pixel position */ | |
| 202 | ||
| 203 | startbyte += (unsigned int)boot_video_info->v_baseAddr & 31; /* Add the extra to cache boundary in frame buffer */ | |
| 204 | startbyte &= -32; /* Make sure it's on a cache line for speed */ | |
| 205 | startbyte += (unsigned int)boot_video_info->v_baseAddr & 31; /* Subtract the extra to cache boundary in frame buffer */ | |
| 206 | ||
| 207 | windowleft = startbyte - (((GDfontsize / 2) * boot_video_info->v_depth) / 8); /* Back up a half character */ | |
| 208 | windowleft &= -4; /* Make sure it is on a word boundary */ | |
| 209 | newwidth = windowleft / (boot_video_info->v_depth / 8); /* Get the new pixel width of screen */ | |
| 210 | ||
| 211 | oldwidth = boot_video_info->v_width; /* Save the old width */ | |
| 212 | // boot_video_info->v_width = newwidth; /* Set the new width */ | |
| 213 | ||
| 214 | nwords = oldwidth - newwidth; /* See how much to fill in pixels */ | |
| 215 | nwords = nwords / (32 / boot_video_info->v_depth); /* Get that in bytes */ | |
| 216 | ||
| 217 | startword = (newwidth + 3) / 4; /* Where does it start? */ | |
| 218 | ||
| 219 | ||
| 220 | byteleft = (unsigned int *)(boot_video_info->v_baseAddr + windowleft); /* Starting place */ | |
| 221 | for (i=0; i < nwords; i++) byteleft[i] = 0; /* Set the row to all black */ | |
| 222 | ||
| 223 | byteleft = (unsigned int *)(boot_video_info->v_baseAddr + windowleft + (boot_video_info->v_rowBytes * 1)); /* Starting place */ | |
| 224 | for (i=0; i < nwords; i++) byteleft[i] = 0; /* Set the row to all black */ | |
| 225 | ||
| 226 | byteleft = (unsigned int *)(boot_video_info->v_baseAddr + windowleft + | |
| 227 | (boot_video_info->v_rowBytes * (boot_video_info->v_height - 2))); /* Starting place */ | |
| 228 | for (i=0; i < nwords; i++) byteleft[i] = 0; /* Set the row to all black */ | |
| 229 | ||
| 230 | byteleft = (unsigned int *)(boot_video_info->v_baseAddr + windowleft + | |
| 231 | (boot_video_info->v_rowBytes * (boot_video_info->v_height - 1))); /* Starting place */ | |
| 232 | for (i=0; i < nwords; i++) byteleft[i] = 0; /* Set the row to all black */ | |
| 233 | ||
| 234 | for (i=0; i < nwords; i++) fillframe[i] = 0xFFFFFFFF; /* Set the row to all white */ | |
| 235 | ||
| 236 | if(boot_video_info->v_depth == 8) { /* See if 8 bits a pixel */ | |
| 237 | fillframe[0] = 0x0000FFFF; /* Make left border */ | |
| 238 | fillframe[nwords - 1] = 0xFFFF0000; /* Make right border */ | |
| 239 | } | |
| 240 | else if(boot_video_info->v_depth == 16) { /* See if 16 bits a pixel */ | |
| 241 | fillframe[0] = 0x00000000; /* Make left border */ | |
| 242 | fillframe[nwords - 1] = 0x00000000; /* Make right border */ | |
| 243 | } | |
| 244 | else { | |
| 245 | fillframe[0] = 0x00000000; /* Make left border */ | |
| 246 | fillframe[1] = 0x00000000; /* Make left border */ | |
| 247 | fillframe[nwords - 1] = 0x00000000; /* Make right border */ | |
| 248 | fillframe[nwords - 2] = 0x00000000; /* Make right border */ | |
| 249 | } | |
| 250 | ||
| 251 | byteleft = (unsigned int *)(boot_video_info->v_baseAddr + windowleft + (boot_video_info->v_rowBytes * 2)); /* Place to start filling */ | |
| 252 | ||
| 253 | for(i=2; i < (boot_video_info->v_height - 2); i++) { /* Fill the rest */ | |
| 254 | for(j=0; j<nwords; j++) byteleft[j] = fillframe[j]; /* Fill the row */ | |
| 255 | byteleft = (unsigned int *)((unsigned int)byteleft + boot_video_info->v_rowBytes); /* Next row */ | |
| 256 | } | |
| 257 | ||
| 258 | for(i=0; i<2; i++) { /* Initialize both (for now) processor areas */ | |
| 259 | ||
| 260 | GratefulDebWork[i].GDtop = 2 + (GDfontsize / 2) + (i * 18 * GDfontsize); | |
| 261 | GratefulDebWork[i].GDleft = 2 + startpos + (GDfontsize / 2); | |
| 262 | GratefulDebWork[i].GDtopleft = boot_video_info->v_baseAddr + startbyte + | |
| 263 | (GratefulDebWork[i].GDtop * boot_video_info->v_rowBytes); | |
| 264 | GratefulDebWork[i].GDrowbytes = boot_video_info->v_rowBytes; | |
| 265 | GratefulDebWork[i].GDrowchar = boot_video_info->v_rowBytes * (GDfontsize + (GDfontsize / 4)); | |
| 266 | GratefulDebWork[i].GDdepth = boot_video_info->v_depth; | |
| 267 | GratefulDebWork[i].GDcollgn = nrmlgn; | |
| 268 | ||
| d7e50217 A |
269 | // RuptCtrs[(48*i)+47].timed = gPEClockFrequencyInfo.timebase_frequency_hz >> 4; /* (Update every 16th of a second (16 fps) */ |
| 270 | RuptCtrs[(48*i)+47].timed = gPEClockFrequencyInfo.timebase_frequency_hz >> 3; /* (Update every 8th of a second (8 fps) */ | |
| 271 | // RuptCtrs[(48*i)+47].timed = gPEClockFrequencyInfo.timebase_frequency_hz >> 2; /* (Update every 4th of a second (4 fps) */ | |
| 272 | // RuptCtrs[(48*i)+47].timed = gPEClockFrequencyInfo.timebase_frequency_hz >> 1; /* (Update every 2th of a second (2 fps) */ | |
| 273 | // RuptCtrs[(48*i)+47].timed = gPEClockFrequencyInfo.timebase_frequency_hz >> 0; /* (Update every 1 second (1 fps) */ | |
| 1c79356b A |
274 | |
| 275 | sync(); | |
| 276 | ||
| 277 | GratefulDebWork[i].GDready = 1; /* This one's all ready */ | |
| 278 | } | |
| 279 | ||
| 280 | } | |
| 281 | ||
| d7e50217 A |
282 | void debugNoop(void); |
| 283 | void debugNoop(void) { /* This does absolutely nothing */ | |
| 284 | return; | |
| 285 | } |