Changeset 76 for trunk/hal/x86_64/drivers/soclib_iob.c

Timestamp:

Jun 27, 2017, 2:07:55 PM (7 years ago)

Author:

max@…

Message:

empty out the x86 drivers

File:

• trunk/hal/x86_64/drivers/soclib_iob.c (modified) (1 diff)

trunk/hal/x86_64/drivers/soclib_iob.c

@@ -27 +27 @@
 #include <soclib_iob.h>
 
-///////////////////////////////////////
 void soclib_iob_init( chdev_t * chdev )
 {
-    // desactivate IOMMU
-    hal_remote_sw( chdev->base + (IOB_IOMMU_ACTIVE<<2) , 0 );
+
 }
 
-////////////////////////////////////////////
 void soclib_iob_set_active( xptr_t   iob_xp,
                             uint32_t value )
 {
-    // get IOX device cluster and local pointer
-    cxy_t     iob_cxy = GET_CXY( iob_xp );
-    chdev_t * iob_ptr = (chdev_t *)GET_PTR( iob_xp );
 
-    // get extended pointer on SOCLIB_IOB base_xp segment
-    xptr_t base_xp = (xptr_t)hal_remote_lwd( XPTR( iob_cxy , &iob_ptr->base ) );
-
-    // set ACTIVE register
-    hal_remote_sw( base_xp + (IOB_IOMMU_ACTIVE<<2) , value );
 }
 
-//////////////////////////////////////////
 void soclib_iob_set_ptpr( xptr_t   iob_xp,
                           uint32_t value )
 {
-    // get IOX device cluster and local pointer
-    cxy_t     iob_cxy = GET_CXY( iob_xp );
-    chdev_t * iob_ptr = (chdev_t *)GET_PTR( iob_xp );
 
-    // get extended pointer on SOCLIB_IOB base_xp segment
-    xptr_t base_xp = (xptr_t)hal_remote_lwd( XPTR( iob_cxy , &iob_ptr->base ) );
-
-    // set PTPR register
-    hal_remote_sw( base_xp + (IOB_IOMMU_PTPR<<2) , value );
 }
 
-///////////////////////////////////////////
 void soclib_iob_inval_page( xptr_t  iob_xp,
                             vpn_t   vpn )
 {
-    // get IOX device cluster and local pointer
-    cxy_t     iob_cxy = GET_CXY( iob_xp );
-    chdev_t * iob_ptr = (chdev_t *)GET_PTR( iob_xp );
 
-    // get extended pointer on SOCLIB_IOB base_xp segment
-    xptr_t base_xp = (xptr_t)hal_remote_lwd( XPTR( iob_cxy , &iob_ptr->base ) );
-
-    // invalidate TLB entry
-    hal_remote_sw( base_xp + (IOB_INVAL_PTE<<2) , vpn );
 }
 
-//////////////////////////////////////////////
 uint32_t soclib_iob_get_bvar( xptr_t  iob_xp )
 {
-    // get IOX device cluster and local pointer
-    cxy_t     iob_cxy = GET_CXY( iob_xp );
-    chdev_t * iob_ptr = (chdev_t *)GET_PTR( iob_xp );
-
-    // get extended pointer on SOCLIB_IOB base_xp segment
-    xptr_t base_xp = (xptr_t)hal_remote_lwd( XPTR( iob_cxy , &iob_ptr->base ) );
-
-    // get BVAR register
-    return hal_remote_lw( base_xp + (IOB_IOMMU_BVAR<<2) );
+    return 0;
 }
 
-///////////////////////////////////////////////
 uint32_t soclib_iob_get_srcid( xptr_t  iob_xp )
 {
-    // get IOX device cluster and local pointer
-    cxy_t     iob_cxy = GET_CXY( iob_xp );
-    chdev_t * iob_ptr = (chdev_t *)GET_PTR( iob_xp );
-
-    // get extended pointer on SOCLIB_IOB base_xp segment
-    xptr_t base_xp = (xptr_t)hal_remote_lwd( XPTR( iob_cxy , &iob_ptr->base ) );
-
-    // get BVAR register
-    return hal_remote_lw( base_xp + (IOB_IOMMU_SRCID<<2) );
+   return 0;
 }
 
-///////////////////////////////////////////////
 uint32_t soclib_iob_get_error( xptr_t  iob_xp )
 {
-    // get IOX device cluster and local pointer
-    cxy_t     iob_cxy = GET_CXY( iob_xp );
-    chdev_t * iob_ptr = (chdev_t *)GET_PTR( iob_xp );
-
-    // get extended pointer on SOCLIB_IOB base_xp segment
-    xptr_t base_xp = (xptr_t)hal_remote_lwd( XPTR( iob_cxy , &iob_ptr->base ) );
-
-    // get BVAR register
-    return hal_remote_lw( base_xp + (IOB_IOMMU_ERROR<<2) );
+   return 0;
 }
 
-
-// Local Variables:
-// tab-width: 4
-// c-basic-offset: 4
-// c-file-offsets:((innamespace . 0)(inline-open . 0))
-// indent-tabs-mode: nil
-// End:
-// vim: filetype=c:expandtab:shiftwidth=4:tabstop=4:softtabstop=4
-