Initial dump of Castle sources

1 files changed, 77 insertions, 0 deletions

diff --git a/squeeze.h b/squeeze.h
new file mode 100644
index 0000000..920bfb7
--- /dev/null
+++ b/squeeze.h
@@ -0,0 +1,77 @@
+/* This source code in this file is licensed to You by Castle Technology
+ * Limited ("Castle") and its licensors on contractual terms and conditions
+ * ("Licence") which entitle you freely to modify and/or to distribute this
+ * source code subject to Your compliance with the terms of the Licence.
+ * 
+ * This source code has been made available to You without any warranties
+ * whatsoever. Consequently, Your use, modification and distribution of this
+ * source code is entirely at Your own risk and neither Castle, its licensors
+ * nor any other person who has contributed to this source code shall be
+ * liable to You for any loss or damage which You may suffer as a result of
+ * Your use, modification or distribution of this source code.
+ * 
+ * Full details of Your rights and obligations are set out in the Licence.
+ * You should have received a copy of the Licence with this source code file.
+ * If You have not received a copy, the text of the Licence is available
+ * online at www.castle-technology.co.uk/riscosbaselicence.htm
+ */
+typedef unsigned int word;
+typedef enum { NO, YES } bool;
+
+typedef struct aifhdr {
+    word  bl_decompress;
+    word  bl_selfreloc;
+    word  bl_zeroinit;
+    word  bl_imageentry;
+    word  swi_exit;
+    int   codesize;
+    int   datasize;
+    int   debugsize;
+    int   zerosize;
+    int   debugtype;
+    int   imagebase;
+    int   reserved[5];
+    word  zeroinit[16];
+} aifhdr;
+
+#define AIFBYTES   sizeof(aifhdr)  /* size in bytes of an AIF header */
+#define AIFWORDS   (AIFBYTES / sizeof(int))
+#define AIFPRELUDE 5 /* no of extra instructions in AIF decompression */
+#define PREFETCH   2 /* words of ARM prefetch */
+
+typedef struct datahdr {
+    word  bl_decompress;
+    word  datamagic;
+    word  load;
+    word  exec;
+    word  size;
+} datahdr;
+
+#define DATABYTES sizeof(datahdr)
+#define DATAWORDS (DATABYTES / sizeof(int))
+#define DATAMAGIC 0x213542
+#define SQUEEZED 0xffffea00
+
+typedef struct SqueezeHeader {
+  int decodedsize;
+  int encodedsize;
+  int encodedtabs;
+  int nshorts;
+  int nlongs;
+  int bytestomove;
+} SqueezeHeader;
+
+#define SQUEEZEBYTES sizeof(SqueezeHeader)
+#define SQUEEZEWORDS (SQUEEZEBYTES / sizeof(int))
+
+#define B 0xea000000
+#define BL 0xeb000000
+#define B_OFFSET 0x00ffffff
+#define MOV_PC_R8 0xe1a0f008
+#define ADD_R8_R8_0 0xe2888000
+#define SUB_R8_R8_0 0xe2488000
+#define MOV_R0_R0 0xe1a00000
+#define LDR_PC_R8_MINUS4 0xe518f004
+#define NV (0xf0000000 - 0xe0000000)
+#define SUB_R1_R8_IMM4 (0xE2481004)
+#define SWI_XOS_SynchroniseCodeAreas (0xEF02006E)