X-Git-Url: http://git.buserror.net/cgi-bin/gitweb.cgi?p=polintos%2Fscott%2Fpriv.git;a=blobdiff_plain;f=kernel%2Farch%2Fx86%2Fthread.cc;h=f969a96b9adfea44e79a8c33b80d7fcbdc3275bd;hp=150892a8b15a625ede252a7de54dda0a22ccc677;hb=1ac390fe1e18444008857b056c947710be9621a8;hpb=7da27a216a7f4bb3331fe315cdbec69bfcf2c762

diff --git a/kernel/arch/x86/thread.cc b/kernel/arch/x86/thread.cc
index 150892a..f969a96 100644
--- a/kernel/arch/x86/thread.cc
+++ b/kernel/arch/x86/thread.cc
@@ -2,38 +2,23 @@
 //
 // This software is copyright (c) 2006 Scott Wood <scott@buserror.net>.
 // 
-// Permission is hereby granted, free of charge, to any person obtaining a copy of
-// this software and associated documentation files (the "Software"), to deal with
-// the Software without restriction, including without limitation the rights to
-// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
-// of the Software, and to permit persons to whom the Software is furnished to do
-// so, subject to the following conditions:
+// This software is provided 'as-is', without any express or implied warranty.
+// In no event will the authors or contributors be held liable for any damages
+// arising from the use of this software.
 // 
-//     * Redistributions of source code must retain the above copyright notice,
-//       this list of conditions and the following disclaimers.
-// 
-//     * Redistributions in binary form must reproduce the above copyright notice,
-//       this list of conditions and the following disclaimers in the
-//       documentation and/or other materials provided with the distribution.
-// 
-//     * The names of the Software's authors and/or contributors
-//       may not be used to endorse or promote products derived from
-//       this Software without specific prior written permission.
-// 
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
-// CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS WITH THE
-// SOFTWARE.
+// Permission is hereby granted to everyone, free of charge, to use, copy,
+// modify, prepare derivative works of, publish, distribute, perform,
+// sublicense, and/or sell copies of the Software, provided that the above
+// copyright notice and disclaimer of warranty be included in all copies or
+// substantial portions of this software.
 
 #include <kern/thread.h>
 #include <kern/mem.h>
 #include <kern/pagetable.h>
+#include <kern/process.h>
 
 namespace Arch {
-	void set_aspace(Mem::AddrSpace *aspace)
+	void set_aspace(Mem::ProcAddrSpace *aspace)
 	{
 		u32 cr3 = Mem::kvirt_to_phys(aspace->page_table->toplevel);
 		asm volatile("movl %0, %%cr3" : : "r" (cr3) : "memory");
@@ -43,13 +28,13 @@ namespace Arch {
 	{
 		u32 dummy1, dummy2;
 		
-		if (dest->addr_space) {
-			assert(dest->addr_space == dest->active_addr_space);
+		if (dest->aspace) {
+			assert(dest->aspace == dest->active_aspace);
 		
-			if (dest->addr_space != src->active_addr_space)
-				set_aspace(dest->addr_space);
+			if (dest->aspace != src->active_aspace)
+				set_aspace(dest->aspace);
 		} else {
-			dest->active_addr_space = src->active_addr_space;
+			dest->active_aspace = src->active_aspace;
 		}
 		
 		Priv::tss.esp0 = reinterpret_cast<u32>(dest);
@@ -66,4 +51,17 @@ namespace Arch {
 		             "0" (&src->arch.esp), "1" (&dest->arch.esp) :
 		             "ebx", "edx", "esi", "edi", "memory");
 	}
+
+	void ArchThread::init(void *entry, void *arg1, void *arg2)
+	{
+		void **stack = reinterpret_cast<void **>(this);
+		
+		*--stack = arg2;
+		*--stack = arg1;
+		*--stack = entry;
+		
+		esp = stack;
+		ebp = 0;
+		jump_to_init = 1;
+	}
 }