Import of Linux/MIPS 1.3.0

1 files changed, 0 insertions, 184 deletions

diff --git a/drivers/FPU-emu/fpu_aux.c b/drivers/FPU-emu/fpu_aux.c
deleted file mode 100644
index 0d35fe19b..000000000
--- a/drivers/FPU-emu/fpu_aux.c
+++ /dev/null
@@ -1,184 +0,0 @@
-/*---------------------------------------------------------------------------+
- |  fpu_aux.c                                                                |
- |                                                                           |
- | Code to implement some of the FPU auxiliary instructions.                 |
- |                                                                           |
- | Copyright (C) 1992,1993,1994                                              |
- |                       W. Metzenthen, 22 Parker St, Ormond, Vic 3163,      |
- |                       Australia.  E-mail   billm@vaxc.cc.monash.edu.au    |
- |                                                                           |
- |                                                                           |
- +---------------------------------------------------------------------------*/
-
-#include "fpu_system.h"
-#include "exception.h"
-#include "fpu_emu.h"
-#include "status_w.h"
-#include "control_w.h"
-
-
-static void fnop(void)
-{
-}
-
-void fclex(void)
-{
-  partial_status &= ~(SW_Backward|SW_Summary|SW_Stack_Fault|SW_Precision|
-		   SW_Underflow|SW_Overflow|SW_Zero_Div|SW_Denorm_Op|
-		   SW_Invalid);
-  no_ip_update = 1;
-}
-
-/* Needs to be externally visible */
-void finit()
-{
-  int r;
-  control_word = 0x037f;
-  partial_status = 0;
-  top = 0;            /* We don't keep top in the status word internally. */
-  for (r = 0; r < 8; r++)
-    {
-      regs[r].tag = TW_Empty;
-    }
-  /* The behaviour is different to that detailed in
-     Section 15.1.6 of the Intel manual */
-  operand_address.offset = 0;
-  operand_address.selector = 0;
-  instruction_address.offset = 0;
-  instruction_address.selector = 0;
-  instruction_address.opcode = 0;
-  no_ip_update = 1;
-}
-
-/*
- * These are nops on the i387..
- */
-#define feni fnop
-#define fdisi fnop
-#define fsetpm fnop
-
-static FUNC const finit_table[] = {
-  feni, fdisi, fclex, finit,
-  fsetpm, FPU_illegal, FPU_illegal, FPU_illegal
-};
-
-void finit_()
-{
-  (finit_table[FPU_rm])();
-}
-
-
-static void fstsw_ax(void)
-{
-  *(short *) &FPU_EAX = status_word();
-  no_ip_update = 1;
-}
-
-static FUNC const fstsw_table[] = {
-  fstsw_ax, FPU_illegal, FPU_illegal, FPU_illegal,
-  FPU_illegal, FPU_illegal, FPU_illegal, FPU_illegal
-};
-
-void fstsw_()
-{
-  (fstsw_table[FPU_rm])();
-}
-
-
-static FUNC const fp_nop_table[] = {
-  fnop, FPU_illegal, FPU_illegal, FPU_illegal,
-  FPU_illegal, FPU_illegal, FPU_illegal, FPU_illegal
-};
-
-void fp_nop()
-{
-  (fp_nop_table[FPU_rm])();
-}
-
-
-void fld_i_()
-{
-  FPU_REG *st_new_ptr;
-
-  if ( STACK_OVERFLOW )
-    { stack_overflow(); return; }
-
-  /* fld st(i) */
-  if ( NOT_EMPTY(FPU_rm) )
-    { reg_move(&st(FPU_rm), st_new_ptr); push(); }
-  else
-    {
-      if ( control_word & CW_Invalid )
-	{
-	  /* The masked response */
-	  stack_underflow();
-	}
-      else
-	EXCEPTION(EX_StackUnder);
-    }
-
-}
-
-
-void fxch_i()
-{
-  /* fxch st(i) */
-  FPU_REG t;
-  register FPU_REG *sti_ptr = &st(FPU_rm), *st0_ptr = &st(0);
-
-  if ( st0_ptr->tag == TW_Empty )
-    {
-      if ( sti_ptr->tag == TW_Empty )
-	{
-	  stack_underflow();
-	  stack_underflow_i(FPU_rm);
-	  return;
-	}
-      if ( control_word & CW_Invalid )
-	reg_move(sti_ptr, st0_ptr);   /* Masked response */
-      stack_underflow_i(FPU_rm);
-      return;
-    }
-  if ( sti_ptr->tag == TW_Empty )
-    {
-      if ( control_word & CW_Invalid )
-	reg_move(st0_ptr, sti_ptr);   /* Masked response */
-      stack_underflow();
-      return;
-    }
-  clear_C1();
-  reg_move(st0_ptr, &t);
-  reg_move(sti_ptr, st0_ptr);
-  reg_move(&t, sti_ptr);
-}
-
-
-void ffree_()
-{
-  /* ffree st(i) */
-  st(FPU_rm).tag = TW_Empty;
-}
-
-
-void ffreep()
-{
-  /* ffree st(i) + pop - unofficial code */
-  st(FPU_rm).tag = TW_Empty;
-  pop();
-}
-
-
-void fst_i_()
-{
-  /* fst st(i) */
-  reg_move(&st(0), &st(FPU_rm));
-}
-
-
-void fstp_i()
-{
-  /* fstp st(i) */
-  reg_move(&st(0), &st(FPU_rm));
-  pop();
-}
-