Extend VMM to 32M

Add mmLinearMap to create block at a specified phys addr.

Added iv_MaptoPhy in the block to indicate we are physically mapped
block and to not apply the HRMOR.

Change-Id: I75ddb19b82ae9a2035ff873edff8a34a33c74639
RTC:43401
Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/1846
Tested-by: Jenkins Server
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/src/lib/syscall_mm.C b/src/lib/syscall_mm.C
index 72c520db6..7b6ba672d 100644
--- a/src/lib/syscall_mm.C
+++ b/src/lib/syscall_mm.C
@@ -25,6 +25,8 @@
 #include <arch/ppc.H>
 #include <kernel/vmmmgr.H>
 
+
+
 using namespace Systemcalls;
 
 /**
@@ -81,6 +83,7 @@ int mm_set_permission(void* va, uint64_t size, uint64_t access_type)
     return (int64_t)_syscall3(MM_SET_PERMISSION, va, (void*)size,  (void*)access_type);
 }
 
+
 /**
  * System call to return the physical address backing a virtual address
  */
@@ -88,3 +91,20 @@ uint64_t mm_virt_to_phys( void* i_vaddr )
 {
     return (uint64_t) _syscall1(MM_VIRT_TO_PHYS,i_vaddr);
 }
+
+/**
+ * System call to extend Memory to 32Meg. 
+ */
+int mm_extend(void)
+{
+    return (int64_t)_syscall0(MM_EXTEND);
+}
+
+
+/**
+ * System call to create a block of memory at a specific physical address 
+ */
+int mm_linear_map(void *i_paddr, uint64_t i_size)
+{
+    return (int64_t)_syscall2(MM_LINEAR_MAP, i_paddr, (void*)i_size);
+}