Remote unused segctl kernel call

kernel/system/Makefile.inc

@@ -23,7 +23,6 @@ SRCS+= 	\
 	do_memset.c \
 	do_setgrant.c \
 	do_privctl.c \
-	do_segctl.c \
 	do_safecopy.c \
 	do_safemap.c \
 	do_sysctl.c \

kernel/system/do_segctl.c

@@ -1,55 +0,0 @@
-/* The kernel call implemented in this file:
- *   m_type:	SYS_SEGCTL
- *
- * The parameters for this kernel call are:
- *    m4_l3:	SEG_PHYS	(physical base address)
- *    m4_l4:	SEG_SIZE	(size of segment)
- *    m4_l1:	SEG_SELECT	(return segment selector here)
- *    m4_l2:	SEG_OFFSET	(return offset within segment here)
- *    m4_l5:	SEG_INDEX	(return index into remote memory map here)
- */
-#include "kernel/system.h"
-
-#if USE_SEGCTL
-
-/*===========================================================================*
- *			        do_segctl				     *
- *===========================================================================*/
-PUBLIC int do_segctl(struct proc * caller, message * m_ptr)
-{
-/* Return a segment selector and offset that can be used to reach a physical
- * address, for use by a driver doing memory I/O in the A0000 - DFFFF range.
- */
-  u32_t selector;
-  vir_bytes offset;
-  int i, index;
-  phys_bytes phys = (phys_bytes) m_ptr->SEG_PHYS;
-  vir_bytes size = (vir_bytes) m_ptr->SEG_SIZE;
-  int result;
-
-  /* First check if there is a slot available for this segment. */
-  index = -1;
-  for (i=0; i < NR_REMOTE_SEGS; i++) {
-      if (! caller->p_priv->s_farmem[i].in_use) {
-          index = i; 
-          caller->p_priv->s_farmem[i].in_use = TRUE;
-          caller->p_priv->s_farmem[i].mem_phys = phys;
-          caller->p_priv->s_farmem[i].mem_len = size;
-          break;
-      }
-  }
-  if (index < 0) return(ENOSPC);
-
-       offset = alloc_remote_segment(&selector, &caller->p_seg,
-		i, phys, size, USER_PRIVILEGE);
-       result = OK;          
-
-  /* Request successfully done. Now return the result. */
-  m_ptr->SEG_INDEX = index | REMOTE_SEG;
-  m_ptr->SEG_SELECT = selector;
-  m_ptr->SEG_OFFSET = offset;
-  return(result);
-}
-
-#endif /* USE_SEGCTL */
-

kernel/system/do_umap.c

@@ -46,11 +46,6 @@ PUBLIC int do_umap(struct proc * caller, message * m_ptr)
       if(!lin_addr) return EFAULT;
       naughty = 1;
       break;
-  case REMOTE_SEG:
-      phys_addr = lin_addr = umap_remote(targetpr, seg_index, offset, count); 
-      if(!lin_addr) return EFAULT;
-      naughty = 1;
-      break;
   case LOCAL_VM_SEG:
     if(seg_index == MEM_GRANT) {
 	vir_bytes newoffset;

kernel/system/do_update.c

@@ -152,7 +152,6 @@ PRIVATE void adjust_priv_slot(struct priv *privp, struct priv *from_privp)
   privp->s_int_pending = from_privp->s_int_pending;
   privp->s_sig_pending = from_privp->s_sig_pending;
   privp->s_alarm_timer = from_privp->s_alarm_timer;
-  memcpy(privp->s_farmem, from_privp->s_farmem, sizeof(privp->s_farmem));
 }
 
 /*===========================================================================*