354 lines
8.2 KiB
C
354 lines
8.2 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <usb.h>
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#include <unistd.h>
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#include <getopt.h>
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#include "opendevice.h"
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#include "qdips.h"
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#define _16MBIT 0x200000
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#define HIROM_BANK_SIZE_SHIFT 16
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#define LOROM_BANK_SIZE_SHIFT 15
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#define HIROM_BANK_COUNT_SHIFT 32
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#define LOROM_BANK_COUNT_SHIFT 64
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#define IPS_MAGIC "PATCH"
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#define EOF_TAG 0x454f46
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#define PATCH_END 1
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#define PATCH_ERR 2
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#define PATCH_CHUNKS_MAX 2048
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#define RLE_LEN 0
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#define RLE_VAL 1
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#define QD16_MAX_TX_LEN 128
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#define QD16_CMD_TIMEOUT 5000
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#define QD16_SEND_DATA(__addr_hi,__addr_lo,__src,__len)\
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usb_control_msg(handle,\
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USB_TYPE_VENDOR|USB_RECIP_DEVICE|USB_ENDPOINT_OUT,\
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USB_BULK_UPLOAD_NEXT,\
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__addr_hi, __addr_lo,\
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(char*)__src, __len,\
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QD16_CMD_TIMEOUT);
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#define QD16_SEND_ADDR(__addr_hi,__addr_lo,__src,__len)\
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usb_control_msg(handle,\
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USB_TYPE_VENDOR|USB_RECIP_DEVICE|USB_ENDPOINT_OUT,\
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USB_BULK_UPLOAD_ADDR,\
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__addr_hi,__addr_lo,\
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(char*)__src,__len,\
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QD16_CMD_TIMEOUT);
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typedef struct _ips_tag {
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uint32_t ofs; /* offset in file to patch (3 bytes (24bit address) in file!) */
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uint16_t len; /* number of bytes in this chunk (if len==0 : data[0] = counter / data[1] = fill byte*/
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uint8_t* data; /* chunk data */
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} ips_tag_t;
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int qd16_transfer_data(int addr_hi, int addr_lo, uint8_t* data, int len);
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int qd16_apply_ips_chunk(ips_tag_t* ips_tag);
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int ips_read_next_tag(FILE* patch_file, ips_tag_t* tag);
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int qd16_init(void);
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void qd16_finish(void);
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void usage(void);
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usb_dev_handle *handle = NULL;
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const unsigned char rawVid[2] = { USB_CFG_VENDOR_ID }, rawPid[2] = { USB_CFG_DEVICE_ID};
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char vendor[] = { USB_CFG_VENDOR_NAME, 0 }, product[] = { USB_CFG_DEVICE_NAME, 0};
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int cnt, vid, pid;
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int hirom = 0;
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int quiet = 0;
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uint8_t dummy[128];
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void usage(void)
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{
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fprintf(stderr, "Usage: qdips [option] <patchfile>\n\n\
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Options:\n\
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-q\tBe quiet\n\
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-h\tForce HiROM mode\n\n");
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exit(1);
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}
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int main(int argc, char * argv[])
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{
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FILE* patch_file;
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char * fname = 0;
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int opt = 0;
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char magic[6];
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ips_tag_t ips_tags[PATCH_CHUNKS_MAX];
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int chunk_index = 0;
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if (argc==1)
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usage();
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while ((opt = getopt(argc,argv,"qh")) != -1){
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switch (opt) {
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case 'h':
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hirom = 1;
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break;
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case 'q':
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quiet = 1;
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break;
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default:
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usage();
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}
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}
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if (optind >= argc) {
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usage();
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}
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int ret = qd16_init();
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if (ret != 0){
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fprintf(stderr,"Error during init. Exiting!\n");
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exit(1);
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}
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fname = argv[optind];
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patch_file = fopen(fname,"rb");
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if (patch_file == 0) {
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fprintf(stderr,"Failed to open file '%s'!\n",fname);
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exit(1);
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}
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if (fgets(magic,strlen(IPS_MAGIC)+1,patch_file) == NULL) {
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fprintf(stderr,"Error reading from file %s\n",fname);
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fclose(patch_file);
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exit(1);
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}
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if (strcmp(magic,IPS_MAGIC) != 0){
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fprintf(stderr,"Patch is not in ips format!\n");
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}
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int patch_error = 0;
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while (!feof(patch_file) && chunk_index < PATCH_CHUNKS_MAX) {
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int ret = ips_read_next_tag(patch_file,&ips_tags[chunk_index]);
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if (ret == PATCH_END)
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break;
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else if (ret == PATCH_ERR) {
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patch_error = 1;
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break;
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}
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chunk_index++;
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}
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fclose(patch_file);
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if (patch_error){
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printf("error at patch chunk #%d!\n",chunk_index);
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}
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int errors=0;
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for (int i=0; i<chunk_index; i++){
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if (!quiet)
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printf("uploading chunk %d ..\r",i+1);
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fflush(stdout);
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int ret = qd16_apply_ips_chunk(&ips_tags[i]);
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if (ret!=0){
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printf("\nfailed applying chunk %d !\n",i);
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errors++;
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}
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}
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if (!quiet)
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printf("\nsuccessfully applied %d chunks\n",chunk_index-errors);
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qd16_finish();
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return 0;
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}
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int qd16_transfer_data(int addr_hi, int addr_lo, uint8_t* data, int len)
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{
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int addr = (addr_hi<<16) | (addr_lo&0xffff);
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int pos = 0;
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int ret;
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int bytes_left = len;
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int txlen;
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while (bytes_left>0) {
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txlen = (bytes_left>QD16_MAX_TX_LEN?QD16_MAX_TX_LEN:bytes_left);
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ret = QD16_SEND_ADDR( ((addr>>16)&0xff), (addr&0xffff), data+pos, txlen);
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if (ret<0)
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break;
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addr += txlen;
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pos += txlen;
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bytes_left -= txlen;
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}
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if (bytes_left){
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printf("%s\n",usb_strerror());
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return 1;
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}
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return 0;
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}
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int qd16_apply_ips_chunk(ips_tag_t* ips_tag)
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{
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int addr_hi = (ips_tag->ofs)>>16;
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int addr_lo = (ips_tag->ofs)&0xffff;
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if (ips_tag->len > 0){
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int ret = qd16_transfer_data(addr_hi,addr_lo,ips_tag->data,ips_tag->len);
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if (ret!=0)
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printf("error transfering data to qd16\n");
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} else {
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uint16_t len = (uint16_t)ips_tag->data[RLE_LEN];
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uint8_t val = ips_tag->data[RLE_VAL];
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// prepare patch buffer
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uint8_t *buff = malloc(len);
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memset(buff,val,len);
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// transfer
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int ret = QD16_SEND_ADDR(addr_hi,addr_lo,buff,len);
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if (ret<0)
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printf("error executing command: %s\n",usb_strerror());
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}
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return 0;
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}
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void qd16_finish(void)
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{
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cnt = usb_control_msg(handle,
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USB_TYPE_VENDOR | USB_RECIP_DEVICE |
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USB_ENDPOINT_OUT, USB_BULK_UPLOAD_END, 0, 0, NULL,
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0, 5000);
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if (cnt<0) {
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printf("USB_BULK_UPLOAD_END failed: %s\n",usb_strerror());
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}
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cnt = usb_control_msg(handle,
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USB_TYPE_VENDOR | USB_RECIP_DEVICE |
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USB_ENDPOINT_OUT, USB_SET_LOADER, 1, 1, NULL,
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0, 5000);
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cnt = usb_control_msg(handle,
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USB_TYPE_VENDOR | USB_RECIP_DEVICE |
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USB_ENDPOINT_OUT, USB_MODE_SNES, 0, 0, NULL,
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0, 5000);
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if (cnt<0) {
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printf("USB_MODE_SNES failed: %s\n",usb_strerror());
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}
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}
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int qd16_init(void)
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{
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usb_init();
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vid = rawVid[1] * 256 + rawVid[0];
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pid = rawPid[1] * 256 + rawPid[0];
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if (usbOpenDevice(&handle, vid, vendor, pid, product, NULL, NULL, NULL) != 0) {
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fprintf(stderr, "Could not find USB device \"%s\" with vid=0x%x pid=0x%x\n", product, vid, pid);
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return 1;
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}
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cnt = usb_control_msg(handle,
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USB_TYPE_VENDOR | USB_RECIP_DEVICE |
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USB_ENDPOINT_OUT, USB_SET_LOADER, 0, 0, NULL,
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0, 5000);
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if (cnt<0) {
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printf("USB_SET_LOADER failed: %s\n",usb_strerror());
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}
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cnt = usb_control_msg(handle,
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USB_TYPE_VENDOR | USB_RECIP_DEVICE |
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USB_ENDPOINT_OUT, USB_MODE_AVR, 0, 0, NULL,
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0, 5000);
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if (cnt<0) {
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printf("USB_MODE_AVR failed: %s\n",usb_strerror());
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}
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usleep(500000);
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cnt = usb_control_msg(handle,
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USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_OUT,
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USB_BULK_UPLOAD_INIT,
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(hirom ? HIROM_BANK_SIZE_SHIFT : LOROM_BANK_SIZE_SHIFT) ,
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/*(hirom ? HIROM_BANK_COUNT_SHIFT : LOROM_BANK_COUNT_SHIFT), */ // ???
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5,
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NULL, 0, 5000);
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if (cnt<0) {
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printf("USB_BULK_UPLOAD_INIT failed: %s\n",usb_strerror());
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}
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return 0;
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}
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int ips_read_next_tag(FILE* patch_file, ips_tag_t* tag)
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{
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tag->ofs = getc(patch_file)<<16 | getc(patch_file)<<8 | getc(patch_file);
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if (tag->ofs == EOF_TAG)
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return PATCH_END;
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if (tag->ofs > _16MBIT)
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return PATCH_ERR;
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tag->len = getc(patch_file)<<8 | getc(patch_file);
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// if the length field is > 0 then it is
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// a standard replacement tag
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//
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if (tag->len>0) {
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tag->data = malloc(tag->len);
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size_t ret = fread(tag->data,1,tag->len,patch_file);
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if (ret != tag->len)
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return PATCH_ERR;
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} else {
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// if the length tag is 0 then it is
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// a RLE tag: read 3 bytes from patch: 2bytes: count / 1 byte: value
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tag->data = malloc(sizeof(3));
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tag->data[RLE_LEN] = (uint16_t)(getc(patch_file)<<8 | getc(patch_file));
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tag->data[RLE_VAL] = getc(patch_file);
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}
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return 0;
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}
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