BootX-75.tar.gz

[apple/bootx.git] / bootx.tproj / include.subproj / sl.h

diff --git a/bootx.tproj/include.subproj/sl.h b/bootx.tproj/include.subproj/sl.h
index 9667a418af590bd5e3b8b8bc935cdc45a5b861eb..9c6f9711799cb383cd1668e303d5140c6c912ead 100644 (file)
--- a/bootx.tproj/include.subproj/sl.h
+++ b/bootx.tproj/include.subproj/sl.h
@@ -22,7 +22,7 @@
 /*
  *  sl.h - Headers for configuring the Secondary Loader
  *
- *  Copyright (c) 1998-2003 Apple Computer, Inc.
+ *  Copyright (c) 1998-2005 Apple Computer, Inc.
  *
  *  DRI: Josh de Cesare
  */
@@ -35,26 +35,36 @@
 
 /*
 
-Memory Map:  assumes 96 MB
+Memory Map:  assumed 96 MB (temporarily bumping to 112 MB for 4359362)
 
 Physical Address
 
 Open Firmware Version    3x, 4x, ...
 00000000 - 00003FFF  :   Exception Vectors
 00004000 - 057FFFFF  :   Free Memory
-05800000 - 05FFFFFF  :   OF Image
+// 05800000 - 05FFFFFF  :   OF Image (top 8 MB reserved) [96 MB map]
+06800000 - 06FFFFFF  :   OF Image (top 8 MB reserved) [112 MB map]
 
 
 Logical Address
 
+// 96 MB map (currently unused - 4363357 tracks re-adoption)
 00000000 - 00003FFF  : Exception Vectors
-00004000 - 03FFFFFF  : Kernel Image, Boot Struct and Drivers
-04000000 - 04FFFFFF  : File Load Area
-05000000 - 053FFFFF  : FS Cache
-05400000 - 055FFFFF  : Malloc Zone
-05600000 - 057FFFFF  : BootX Image
-05800000 - 05FFFFFF  : Unused
-
+00004000 - 03FFFFFF  : Kernel Image, Boot Struct and Drivers (~64 MB)
+04000000 - 04FFFFFF  : File Load Area (16 MB)  [80 MB]
+05000000 - 053FFFFF  : FS Cache    (4 MB)      [84 MB]
+05400000 - 055FFFFF  : Malloc Zone (2 MB)      [86 MB]
+05600000 - 057FFFFF  : BootX Image (2 MB)      [88 MB]
+05800000 - 05FFFFFF  : Unused/OF   (8 MB)      [96 MB]
+
+// 112 MB map (per 4359362)
+00000000 - 00003FFF  : Exception Vectors
+00004000 - 03FFFFFF  : Kernel Image, Boot Struct and Drivers (~64 MB)
+04000000 - 05FFFFFF  : File Load Area (32 MB)  [96 MB]
+06000000 - 063FFFFF  : FS Cache    (4 MB)      [100 MB]
+06400000 - 065FFFFF  : Malloc Zone (2 MB)      [102 MB]
+06600000 - 067FFFFF  : BootX Image (2 MB)      [104 MB]
+06800000 - 06FFFFFF  : Unused/OF   (8 MB)      [112 MB]
 */
 
 #define kVectorAddr     (0x00000000)
@@ -74,17 +84,18 @@ Logical Address
 #define kImageSize2     (0x03B00000)
 
 #define kLoadAddr       (0x04000000)
-#define kLoadSize       (0x01000000)
+#define kLoadSize       (0x02000000)   // 32 MB @ 64
+#define kMaxMKextSize   (0x01000000)   // only allow 16 MB of drivers
 
-#define kFSCacheAddr    (0x05000000)
-#define kFSCacheSize    (0x00400000)
+#define kFSCacheAddr    (0x06000000)
+#define kFSCacheSize    (0x00400000)   // 4 MB @ 96
 
-#define kMallocAddr     (0x05400000)
-#define kMallocSize     (0x00200000)
+#define kMallocAddr     (0x06400000)
+#define kMallocSize     (0x00200000)   // 2 MB @ 100
 
-#define kMallocAddr_H   (0x05400000)
+#define kMallocAddr_H   (0x06400000)   // ditto for hibernate
 #define kMallocSize_H   (0x00200000)
-#define kImageAddr_H    (0x06000000)
+#define kImageAddr_H    (0x07000000)   // fallback for hiberate image buffer
 
 // Default Output Level
 #define kOutputLevelOff  (0)