From: Daniel Jacobowitz <drow@false.org>
Date: Thu, 2 Feb 2006 01:48:16 +0000 (+0000)
Subject: 	* armos.c (ARMul_OSHandleSWI): Handle the RedBoot system
X-Git-Tag: gdb-csl-20060226-branchpoint~180
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=eeea466063f288e4ee96c7a0b94772a22b73ad79;p=platform%2Fupstream%2Fbinutils.git

	* armos.c (ARMul_OSHandleSWI): Handle the RedBoot system
	call meminfo. Return ENOSYS for unhandled RedBoot syscalls.
---

diff --git a/sim/arm/ChangeLog b/sim/arm/ChangeLog
index 84bdf6e..df88ef1 100644
--- a/sim/arm/ChangeLog
+++ b/sim/arm/ChangeLog
@@ -1,3 +1,8 @@
+2006-02-01  Shaun Jackman  <sjackman@gmail.com>
+
+	* armos.c (ARMul_OSHandleSWI): Handle the RedBoot system
+	call meminfo. Return ENOSYS for unhandled RedBoot syscalls.
+
 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
 
 	* wrapper.c (gdb/signals.h): Include it.
@@ -7,7 +12,7 @@
 
 2005-11-16  Shaun Jackman  <sjackman@gmail.com>
 
-	* sim/arm/armos.c: Include limits.h
+	* armos.c: Include limits.h
 	(unlink): Remove this macro. It is unused in this file and
 	conflicts with sim_callback->unlink.
 	(PATH_MAX): Define as 1024 if not already defined.
diff --git a/sim/arm/armos.c b/sim/arm/armos.c
index 5f5ead7..8e346c7 100644
--- a/sim/arm/armos.c
+++ b/sim/arm/armos.c
@@ -859,9 +859,26 @@ ARMul_OSHandleSWI (ARMul_State * state, ARMword number)
 	    case 18: /* Time.  */
 	      sim_callback->printf_filtered
 		(sim_callback,
-		 "sim: unhandled RedBoot syscall '%d' encountered - ignoring\n",
+		 "sim: unhandled RedBoot syscall `%d' encountered - "
+		 "returning ENOSYS\n",
 		 state->Reg[0]);
-	      return FALSE;
+	      state->Reg[0] = -1;
+	      OSptr->ErrorNo = cb_host_to_target_errno
+		(sim_callback, ENOSYS);
+	      break;
+	    case 1001: /* Meminfo. */
+	      {
+		ARMword totmem = state->Reg[1],
+			topmem = state->Reg[2];
+		ARMword stack = state->MemSize > 0
+		  ? state->MemSize : ADDRUSERSTACK;
+		if (totmem != 0)
+		  ARMul_WriteWord (state, totmem, stack);
+		if (topmem != 0)
+		  ARMul_WriteWord (state, topmem, stack);
+		state->Reg[0] = 0;
+		break;
+	      }
 
 	    default:
 	      sim_callback->printf_filtered