[ro-oslib-commits] SF.net SVN: ro-oslib: [290] trunk/!OsLib

[<th...@us...>]

Revision: 290
          http://ro-oslib.svn.sourceforge.net/ro-oslib/?rev=290&view=rev
Author:   thughes
Date:     2007-11-18 09:03:37 -0800 (Sun, 18 Nov 2007)

Log Message:
-----------
Added support for OS_AMBControl based on reverse engineering
of it's behaviour. (20071118-3, Graham Shaw)

Modified Paths:
--------------
    trunk/!OsLib/Source/Core/oslib/OS.swi
    trunk/!OsLib/docs/ChangeLog

Modified: trunk/!OsLib/Source/Core/oslib/OS.swi
===================================================================
--- trunk/!OsLib/Source/Core/oslib/OS.swi	2007-11-18 16:35:14 UTC (rev 289)
+++ trunk/!OsLib/Source/Core/oslib/OS.swi	2007-11-18 17:03:37 UTC (rev 290)
@@ -2459,9 +2459,119 @@
 SWI OS_CallASWI = //RO3.7+ Not APCS-compliant
    (  NUMBER 0x6F "Calls a run-time determined SWI - RISC O S 3.7+", ABSENT);
 
+
+TYPE OS_AMB = .Int "Application memory block";
+
+TYPE OS_AMBControlFlags = .Bits;
+CONST OS_GivenAMBPageRange = OS_AMBControlFlags: %100000000;
+
 SWI OS_AMBControl = //RO3.7+
-   (  NUMBER 0x70 "For system use only - RISC O S 3.7+", ABSENT);
+   (  NUMBER 0x70 "Performs operations on application memory blocks -
+      see individual reason codes - RISC O S 3.7+", ABSENT);
 
+SWI OSAMBControl_Create =
+   (  NUMBER 0x70,
+      ENTRY
+      (  R0 # 0 "Creates an application memory block - RISC O S 3.7+",
+         R1 = .Int: pages
+      ),
+      EXIT
+      (  R1 = .Int: pages_out,
+         R2 = OS_AMB: amb
+      )
+   );
+
+SWI OSAMBControl_Delete =
+   (  NUMBER 0x70,
+      ENTRY
+      (  R0 # 1 "Removes an application memory block - RISC O S 3.7+",
+         R2 = OS_AMB: amb
+      )
+   );
+
+SWI OSAMBControl_Resize =
+   (  NUMBER 0x70,
+      ENTRY
+      (  R0 # 2 "Extends or shrinks an application memory block -
+         RISC O S 3.7+",
+         R1 = .Int: pages,
+         R2 = OS_AMB: amb
+      ),
+      EXIT
+      (  R1 = .Int: pages_out,
+         R2 = OS_AMB: amb_out,
+         R3 = .Int: pages_before
+      )
+   );
+
+SWI OSAMBControl_Map =
+   (  NUMBER 0x70,
+      ENTRY
+      (  R0 # 3 "Map an application memory block into virtual memory -
+         RISC O S 3.7+",
+         R0 | OS_AMBControlFlags: flags,
+         R1 -> .Data: base_address,
+         R2 = OS_AMB: amb,
+         R3 = .Int: start,
+         R4 = .Int: end
+      )
+   );
+
+SWI OSAMBControl_Info =
+   (  NUMBER 0x70,
+      ENTRY
+      (  R0 # 4 "Read information about an application memory block -
+         RISC O S 3.7+",
+         R2 = OS_AMB: amb
+      ),
+      EXIT
+      (  R1 -> .Data: base_address,
+         R3 = .Int: pages
+      )
+   );
+
+TYPE OS_LazySwapping = .Int;
+CONST
+   OS_LazySwappingDisable = OS_LazySwapping: 0,
+   OS_LazySwappingEnable = OS_LazySwapping:  1,
+   OS_LazySwappingRead = OS_LazySwapping:    -1;
+
+SWI OSAMBControl_LazySwapping =
+   (  NUMBER 0x70,
+      ENTRY
+      (  R0 # 5 "Read or change lazy task swapping state - RISC O S 3.7+",
+         R1 = OS_LazySwapping: action
+      ),
+      EXIT
+      (  R1 = OS_LazySwapping: state
+      )
+   );
+
+TYPE OS_AMBFlags = .Bits;
+
+TYPE OS_AMBInfo =
+   .Struct
+   (  OS_AMB: amb,
+      .Int: pages,
+      .Ref .Data: base_address,
+      OS_AMBFlags: flags
+   );
+
+TYPE OS_AMBTable =
+   .Struct
+   (  .Int: count,
+      OS_AMB: current_amb,
+      OS_AMBInfo: entries ...
+   );
+
+SWI OSAMBControl_Enumerate =
+   (  NUMBER 0x70,
+      ENTRY
+      (  R0 # 8 "Enumerate application memory blocks - RISC O S 3.7+",
+         R1 = .Ref OS_AMBTable: table
+      )
+   );
+
 SWI OS_CallASWIR12 = //RO3.7+ Not APCS-Compliant
    (  NUMBER 0x71 "Calls a run-time determined SWI - RISC O S 3.7+", ABSENT);
 //   (  NUMBER 0x71 "Calls a run-time determined SWI - RISC O S 3.7+",

Modified: trunk/!OsLib/docs/ChangeLog
===================================================================
--- trunk/!OsLib/docs/ChangeLog	2007-11-18 16:35:14 UTC (rev 289)
+++ trunk/!OsLib/docs/ChangeLog	2007-11-18 17:03:37 UTC (rev 290)
@@ -6,6 +6,8 @@
 ----------
 
 *  Enhancemnts
+   - Added support for OS_AMBControl based on reverse engineering
+     of it's behaviour. (20071118-3, Graham Shaw)
    - Added support for OS_ClaimSWI, OS_ReleaseSWI and OS_ClaimOSSWI
      based on usenet discussion (http://tinyurl.com/2vfp8k).
      (20071118-2, Graham Shaw)


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