From d9d970bdfa12ff36bd5afe3c800834361f70fca4 Mon Sep 17 00:00:00 2001
From: Philip Homburg <philip@cs.vu.nl>
Date: Thu, 12 Jan 2006 14:38:51 +0000
Subject: [PATCH] GET_IRQACTIDS, allow SELF in do_vm_map.

---
 kernel/system/do_getinfo.c | 6 ++++++
 kernel/system/do_vm.c      | 7 ++++++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/kernel/system/do_getinfo.c b/kernel/system/do_getinfo.c
index 33b7bb7a3..a5791abbf 100644
--- a/kernel/system/do_getinfo.c
+++ b/kernel/system/do_getinfo.c
@@ -133,6 +133,12 @@ register message *m_ptr;	/* pointer to request message */
     	src_phys = vir2phys(&bios_buf_vir);
     	break;
 
+    case GET_IRQACTIDS: {
+        length = sizeof(irq_actids);
+        src_phys = vir2phys(irq_actids);
+        break;
+    }
+
     default:
         return(EINVAL);
   }
diff --git a/kernel/system/do_vm.c b/kernel/system/do_vm.c
index 1f77f20a8..4d2690bd8 100644
--- a/kernel/system/do_vm.c
+++ b/kernel/system/do_vm.c
@@ -25,7 +25,7 @@ FORWARD _PROTOTYPE( void map_range, (u32_t base, u32_t size,
 							u32_t offset)	);
 
 /*===========================================================================*
- *				do_vm_setbuf				     *
+ *				do_vm_map				     *
  *===========================================================================*/
 PUBLIC int do_vm_map(m_ptr)
 message *m_ptr;			/* pointer to request message */
@@ -43,6 +43,8 @@ message *m_ptr;			/* pointer to request message */
 	}
 
 	proc_nr= m_ptr->m4_l1;
+	if (proc_nr == SELF)
+		proc_nr= m_ptr->m_source;
 	do_map= m_ptr->m4_l2;
 	base= m_ptr->m4_l3;
 	size= m_ptr->m4_l4;
@@ -207,6 +209,9 @@ u32_t offset;
 		}
 		entry= offset | I386_VM_USER | I386_VM_WRITE |
 			I386_VM_PRESENT;
+#if 0	/* Do we need this for memory mapped I/O? */
+		entry |= I386_VM_PCD | I386_VM_PWT;
+#endif
 		phys_put32(curr_pt_addr + pt_ent * I386_VM_PT_ENT_SIZE, entry);
 		offset += PAGE_SIZE;
 		base += PAGE_SIZE;