|
Last change
on this file since 9 was 2, checked in by Rick van der Zwet, 15 years ago |
|
Initial import of data of old repository ('data') worth keeping (e.g. tracking
means of URL access statistics)
|
-
Property svn:executable
set to
*
|
|
File size:
890 bytes
|
| Rev | Line | |
|---|
| [2] | 1 | /* Author : Rick van der Zwet
|
|---|
| 2 | * S-number : 0433373
|
|---|
| 3 | * Version : $Id: imm.c 365 2007-12-03 08:54:04Z rick $
|
|---|
| 4 | * Copyright : FreeBSD Licence
|
|---|
| 5 | * Description : MIPS simulator. Main module
|
|---|
| 6 | */
|
|---|
| 7 |
|
|---|
| 8 | #include <stdlib.h>
|
|---|
| 9 | #include <stdio.h>
|
|---|
| 10 | #include <sysexits.h>
|
|---|
| 11 | #include "sim.h"
|
|---|
| 12 | #include "imm.h"
|
|---|
| 13 | #include "alu.h"
|
|---|
| 14 |
|
|---|
| 15 | word
|
|---|
| 16 | imm_call(const word in, const imm_control_t action)
|
|---|
| 17 | {
|
|---|
| 18 | word out = 0;
|
|---|
| 19 | switch (action)
|
|---|
| 20 | {
|
|---|
| 21 | case S16:
|
|---|
| 22 | out = alu_sra(in << 16, 16);
|
|---|
| 23 | break;
|
|---|
| 24 | case SSA:
|
|---|
| 25 | out = alu_sra(in << 21, 27);
|
|---|
| 26 | break;
|
|---|
| 27 | case U26:
|
|---|
| 28 | out = in & 0x03FFFFFF;
|
|---|
| 29 | break;
|
|---|
| 30 | case Z16:
|
|---|
| 31 | out = in & 0x0000FFFF;
|
|---|
| 32 | break;
|
|---|
| 33 | case S16x4:
|
|---|
| 34 | out = alu_sra(in << 16, 14);
|
|---|
| 35 | break;
|
|---|
| 36 | default:
|
|---|
| 37 | fprintf(stderr, "IMM action '%i' not implmented\n", action);
|
|---|
| 38 | exit(EX_SOFTWARE);
|
|---|
| 39 | break;
|
|---|
| 40 | };
|
|---|
| 41 | return (out);
|
|---|
| 42 | }
|
|---|
Note:
See
TracBrowser
for help on using the repository browser.
