From d754c64b82e33f5dec4a333907fe996c7f41e73f Mon Sep 17 00:00:00 2001
From: adam <adam@megacz.com>
Date: Tue, 13 Jul 2004 02:17:56 +0000
Subject: [PATCH] removed MSPack

darcs-hash:20040713021756-5007d-366532fac58ee7bc8792eb93b505cc01555fae65.gz
---
 src/org/ibex/util/MSPack.c    |  202 -----------------------------------------
 src/org/ibex/util/MSPack.java |   90 ------------------
 2 files changed, 292 deletions(-)
 delete mode 100644 src/org/ibex/util/MSPack.c
 delete mode 100644 src/org/ibex/util/MSPack.java

diff --git a/src/org/ibex/util/MSPack.c b/src/org/ibex/util/MSPack.c
deleted file mode 100644
index f09cf35..0000000
--- a/src/org/ibex/util/MSPack.c
+++ /dev/null
@@ -1,202 +0,0 @@
-/*
-UserInfo:
-    On start:
-        0: Addr of CAB/EXE
-        1: Length of CAB/EXE
-    On Edit:
-        2: Addr of output_table array
-
-Exit codes:
-    0: Success
-    1: Internal Error
-    2: Invalid CAB
-*/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdarg.h>
-#include <sys/fcntl.h>
-
-#include "mspack.h"
-
-#define MAX(a,b) (((a)>(b))?(a):(b))
-#define MIN(a,b) (((a)<(b))?(a):(b))
-#define MAX_MEMBERS 64
-
-char *xstrdup(const char *s) {
-    char *ret = strdup(s);
-    if(ret == NULL) exit(1);
-    return ret;
-}
-
-typedef struct {
-    char *addr;
-    int pos;
-    int size;
-    int length;
-    int writable;
-} mem_buf_t;
-
-static mem_buf_t *cab_mem_buf = NULL;
-
-static void mem_buf_grow(mem_buf_t *buf,size_t newsize) {
-    size_t new_len;
-    char *p;
-    if(buf->length < 0) exit(1); 
-    if(newsize <= buf->length) return;
-    new_len = MAX(buf->length ? buf->length*2 : 65536,newsize);
-    p = realloc(buf->addr,new_len);
-    if(p == NULL) exit(1);
-    buf->addr = p;
-    buf->length = new_len;
-}
-
-static struct {
-    char *filename;
-    mem_buf_t buf;
-} write_buf_table[MAX_MEMBERS];
-
-static struct {
-    char *filename;
-    char *data;
-    int length;
-} output_table[MAX_MEMBERS+1];
-
-static struct mspack_file *my_open(struct mspack_system *sys, char *filename, int mode) {
-    mem_buf_t *buf = NULL;
-    int i;
-    if(strcmp(filename,"/dev/cab")==0) {    
-        if(mode != MSPACK_SYS_OPEN_READ) return NULL;
-        buf = cab_mem_buf;
-    } else {
-        if(mode != MSPACK_SYS_OPEN_WRITE) return NULL;
-        
-        for(i=0;i<MAX_MEMBERS;i++) {
-            if(write_buf_table[i].filename == NULL) {
-                write_buf_table[i].filename = xstrdup(filename);
-                buf = &write_buf_table[i].buf;
-                buf->writable = 1;
-                break;
-            }
-        }
-    }
-    
-    return (struct mspack_file *) buf;
-}
-
-static void my_close(struct mspack_file *buf_) {
-    mem_buf_t *buf = (mem_buf_t*) buf_;
-    /* NO OP */
-}
-
-static int my_read(struct mspack_file *buf_, void *out, int count) {
-    mem_buf_t *buf = (mem_buf_t*) buf_;
-    count = MIN(buf->size - buf->pos, count);
-    memcpy(out,buf->addr + buf->pos,count);
-    buf->pos += count;
-    return count;
-}
-
-static int my_write(struct mspack_file *buf_, void *in, int count) {
-    mem_buf_t *buf = (mem_buf_t*) buf_;
-    if(!buf->writable) return -1;
-    if(buf->length < buf->pos + count) mem_buf_grow(buf,buf->pos + count);
-    memcpy(buf->addr+buf->pos,in,count);
-    buf->pos += count;
-    buf->size = MAX(buf->size,buf->pos);
-    return count;
-}
-
-static int my_seek(struct mspack_file *buf_, off_t off, int mode) {
-    mem_buf_t *buf = (mem_buf_t*) buf_;
-    int newpos;
-    switch(mode) {
-        case MSPACK_SYS_SEEK_START: newpos = off; break;
-        case MSPACK_SYS_SEEK_CUR: newpos = buf->pos + off; break;
-        case MSPACK_SYS_SEEK_END: newpos = buf->size - off; break;
-        default: return -1;
-    }
-    if(newpos < 0) return -1;
-    if(newpos > buf->size) {
-        if(!buf->writable) return -1;
-        if(newpos > buf->length)
-            mem_buf_grow(buf,newpos);
-    }
-    buf->pos = newpos;
-    return 0;
-}
-
-static off_t my_tell(struct mspack_file *buf_) {
-    mem_buf_t *buf = (mem_buf_t*) buf_;
-    return buf ? buf->pos : 0;
-}
-
-// FEATURE: Remove this to possibly avoid pulling in stdio from libc 
-// (it may be getting pulled in anyway from malloc or something)
-static void my_message(struct mspack_file *file, char *format, ...) {
-  va_list ap;
-  va_start(ap, format);
-  vfprintf(stderr, format, ap);
-  va_end(ap);
-  fputc((int) '\n', stderr);
-  fflush(stderr);
-}
-
-static void *my_alloc(struct mspack_system *sys, size_t size) { return malloc(size); }
-static void my_free(void *p) { free(p); }
-static void my_copy(void *src, void *dest, size_t bytes) { memcpy(dest, src, bytes); }
-
-static struct mspack_system my_system =  {
-    &my_open,
-    &my_close,
-    &my_read, 
-    &my_write,
-    &my_seek,
-    &my_tell,
-    &my_message,
-    &my_alloc,
-    &my_free,
-    &my_copy,
-    NULL
-};
-
-extern char *user_info[1024];
-
-int mspack_main() {
-    struct mscab_decompressor *decomp;
-    struct mscabd_cabinet *cab;
-    struct mscabd_file *file;
-    mem_buf_t mem_buf;
-    size_t size = (size_t)user_info[1];
-    int i;
-    
-    mem_buf.addr = user_info[0];
-    mem_buf.pos = mem_buf.writable = 0;
-    mem_buf.length = -1;
-    mem_buf.size = size;
-    
-    cab_mem_buf = &mem_buf;
-                
-    decomp = mspack_create_cab_decompressor(&my_system);
-    if(!decomp) exit(1);
-    
-    cab = decomp->search(decomp,"/dev/cab");
-    if(!cab) exit(2);
-
-    for(file = cab->files;file;file=file->next)
-        decomp->extract(decomp,file,file->filename);
-        
-    decomp->close(decomp,cab);
-    mspack_destroy_cab_decompressor(decomp);
-        
-    for(i=0;i<MAX_MEMBERS && write_buf_table[i].filename;i++) {
-        output_table[i].filename = write_buf_table[i].filename;
-        output_table[i].data = write_buf_table[i].buf.addr;
-        output_table[i].length = write_buf_table[i].buf.size;
-    }
-    
-    user_info[2] = (char*) output_table;
-    
-    return 0;
-}
diff --git a/src/org/ibex/util/MSPack.java b/src/org/ibex/util/MSPack.java
deleted file mode 100644
index 6236df6..0000000
--- a/src/org/ibex/util/MSPack.java
+++ /dev/null
@@ -1,90 +0,0 @@
-package org.ibex.util;
-
-import org.ibex.core.Main;
-import org.ibex.util.*;
-import java.io.*;
-import org.ibex.nestedvm.*;
-import org.ibex.nestedvm.Runtime;
-
-public class MSPack {
-    private static byte[] image;
-    
-    private String[] fileNames;
-    private int[] lengths;
-    private byte[][] data;
-        
-    public static class MSPackException extends IOException { public MSPackException(String s) { super(s); } }
-        
-    public MSPack(InputStream cabIS) throws IOException {
-        try {
-            Runtime vm = (Runtime)Class.forName("org.ibex.util.MIPSApps").newInstance();
-            byte[] cab = InputStreamToByteArray.convert(cabIS);
-            int cabAddr = vm.sbrk(cab.length);
-            if(cabAddr < 0) throw new MSPackException("sbrk failed");
-            
-            vm.copyout(cab,cabAddr,cab.length);
-        
-            vm.setUserInfo(0,cabAddr);
-            vm.setUserInfo(1,cab.length);
-        
-            int status = vm.run(new String[]{ "mspack"} );
-            if(status != 0) throw new MSPackException("mspack.mips failed (" + status + ")");
-            
-            /*static struct {
-                char *filename;
-                char *data;
-                int length;
-            } output_table[MAX_MEMBERS+1]; */
-
-            int filesTable = vm.getUserInfo(2);
-            int count=0;
-            while(vm.memRead(filesTable+count*12) != 0) count++;
-            
-            fileNames = new String[count];
-            data = new byte[count][];
-            lengths = new int[count];
-            
-            for(int i=0,addr=filesTable;i<count;i++,addr+=12) {
-                int length = vm.memRead(addr+8);
-                data[i] = new byte[length];
-                lengths[i] = length;
-                fileNames[i] = vm.cstring(vm.memRead(addr));
-                System.out.println("" + fileNames[i]);
-                vm.copyin(vm.memRead(addr+4),data[i],length);
-            }
-        } catch(Runtime.ExecutionException e) {
-            e.printStackTrace();
-            throw new MSPackException("mspack.mips crashed");
-        } catch(Exception e) {
-            throw new MSPackException(e.toString());
-        }
-    }
-    
-    public String[] getFileNames() { return fileNames; }
-    public int[] getLengths() { return lengths; }
-    public InputStream getInputStream(int index) {
-        return new KnownLength.KnownLengthInputStream(new ByteArrayInputStream(data[index]), data[index].length);
-    }
-    public InputStream getInputStream(String fileName) {
-        for(int i=0;i<fileNames.length;i++) {
-            if(fileName.equalsIgnoreCase(fileNames[i])) return getInputStream(i);
-        }
-        return null;
-    }
-    
-    public static void main(String[] args) throws IOException {
-        MSPack pack = new MSPack(new FileInputStream(args[0]));
-        String[] files = pack.getFileNames();
-        for(int i=0;i<files.length;i++)
-            System.out.println(i + ": " + files[i] + ": " + pack.getLengths()[i]);
-        System.out.println("Writing " + files[files.length-1]);
-        InputStream is = pack.getInputStream(files.length-1);
-        OutputStream os = new FileOutputStream(files[files.length-1]);
-        int n;
-        byte[] buf = new byte[4096];
-        while((n = is.read(buf)) != -1) os.write(buf,0,n);
-        os.close();
-        is.close();
-    }
-}
-
-- 
1.7.10.4