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Improved CD-ROM save/restore support

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Set current LBA value after seek completion (faked)
This commit is contained in:
Volker Ruppert 2014-02-24 18:16:21 +00:00
parent b7238798fc
commit c4f722cd28
1 changed files with 6 additions and 1 deletions
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7
bochs/iodev/harddrv.cc
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@ -575,7 +575,7 @@ void bx_hard_drive_c::register_state(void)
{
unsigned i, j;
char cname[4], dname[8];
bx_list_c *cdrom, *chan, *drive, *status;
bx_list_c *atapi, *cdrom, *chan, *drive, *status;
bx_list_c *list = new bx_list_c(SIM->get_bochs_root(), "hard_drive", "Hard Drive State");
for (i=0; i<BX_MAX_ATA_CHANNEL; i++) {
@ -594,6 +594,10 @@ void bx_hard_drive_c::register_state(void)
new bx_shadow_num_c(cdrom, "curr_lba", &BX_HD_THIS channels[i].drives[j].cdrom.curr_lba);
new bx_shadow_num_c(cdrom, "next_lba", &BX_HD_THIS channels[i].drives[j].cdrom.next_lba);
new bx_shadow_num_c(cdrom, "remaining_blocks", &BX_HD_THIS channels[i].drives[j].cdrom.remaining_blocks);
atapi = new bx_list_c(drive, "atapi");
new bx_shadow_num_c(atapi, "command", &BX_HD_THIS channels[i].drives[j].atapi.command, BASE_HEX);
new bx_shadow_num_c(atapi, "drq_bytes", &BX_HD_THIS channels[i].drives[j].atapi.drq_bytes);
new bx_shadow_num_c(atapi, "total_bytes_remaining", &BX_HD_THIS channels[i].drives[j].atapi.total_bytes_remaining);
} else {
new bx_shadow_num_c(drive, "curr_lsector", &BX_HD_THIS channels[i].drives[j].curr_lsector);
new bx_shadow_num_c(drive, "last_lsector", &BX_HD_THIS channels[i].drives[j].last_lsector);
@ -1771,6 +1775,7 @@ void bx_hard_drive_c::write(Bit32u address, Bit32u value, unsigned io_len)
break;
}
BX_SELECTED_DRIVE(channel).cdrom.cd->seek(lba);
BX_SELECTED_DRIVE(channel).cdrom.curr_lba = lba;
atapi_cmd_nop(controller);
raise_interrupt(channel);
// TODO: DSC bit must be cleared here and set after completion