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create empty disks and second hard drive

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This commit is contained in:
Fabian 2025-06-10 17:45:00 +07:00
parent f28837785b
commit a4b86d85e2
4 changed files with 77 additions and 6 deletions
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4
debug.html
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@ -92,12 +92,12 @@
<tr>
<td><label for="hda_image">Hard disk image</label></td>
<td><input type="file" id="hda_image"><br></td>
<td><input type="file" id="hda_image"> or <a id="hda_toggle_empty_disk">create empty disk</a><br></td>
</tr>
<tr>
<td>Second hard disk image</td>
<td><input type="file" id="hdb_image"><br></td>
<td><input type="file" id="hdb_image"> or <a id="hdb_toggle_empty_disk">create empty disk</a><br></td>
</tr>
<tr>

7
index.html
View file

@ -132,7 +132,12 @@
<tr>
<td><label for="hda_image">Hard disk image</label></td>
<td><input type="file" id="hda_image"><br></td>
<td><input type="file" id="hda_image"> or <a id="hda_toggle_empty_disk">create empty disk</a><br></td>
</tr>
<tr>
<td><label for="hdb_image">Second hard disk image</label></td>
<td><input type="file" id="hdb_image"> or <a id="hdb_toggle_empty_disk">create empty disk</a><br></td>
</tr>
<!--

69
src/browser/main.js
View file

@ -1,6 +1,6 @@
import { V86 } from "./starter.js";
import { LOG_NAMES } from "../const.js";
import { SyncFileBuffer } from "../buffer.js";
import { SyncBuffer, SyncFileBuffer } from "../buffer.js";
import { pad0, pads, hex_dump, dump_file, download, round_up_to_next_power_of_2 } from "../lib.js";
import { log_data, LOG_LEVEL, set_log_level } from "../log.js";
@ -1580,6 +1580,26 @@ function onload()
if(query_args.has("acpi")) $("acpi").checked = bool_arg(query_args.get("acpi"));
if(query_args.has("boot_order")) $("boot_order").value = query_args.get("boot_order");
for(const dev of ["hda", "hdb"])
{
const toggle = $(dev + "_toggle_empty_disk");
if(!toggle) continue;
toggle.onclick = function(e)
{
e.preventDefault();
const input = document.createElement("input");
input.id = dev + "_empty_size";
input.type = "number";
input.min = "1";
input.value = "100";
// TODO (when closure compiler supports it): parent.parentNode.replaceChildren(...);
const parent = toggle.parentNode;
parent.innerHTML = "";
parent.append("Empty disk of ", input, " MB");
};
}
const os_info = Array.from(document.querySelectorAll("#oses tbody tr")).map(element =>
{
const [_, size_raw, unit] = element.children[1].textContent.match(/([\d\.]+)\+? (\w+)/);
@ -1770,7 +1790,7 @@ if(document.readyState === "complete")
}
// we can get here in various ways:
// - the user clicked on the "start emulation"
// - the user clicked on the "start emulation" button
// - the user clicked on a profile
// - the ?profile= query parameter specified a valid profile
// - the ?profile= query parameter was set to "custom" and at least one disk image was given
@ -1797,6 +1817,7 @@ function start_emulation(profile, query_args)
settings.fda = profile.fda;
settings.cdrom = profile.cdrom;
settings.hda = profile.hda;
settings.hdb = profile.hdb;
settings.multiboot = profile.multiboot;
settings.bzimage = profile.bzimage;
settings.initrd = profile.initrd;
@ -1847,6 +1868,33 @@ function start_emulation(profile, query_args)
async: true,
};
}
else if(query_args.has("hda.empty"))
{
const empty_size = parseInt(query_args.get("hda.empty"), 10);
if(empty_size > 0)
{
settings.hda = { buffer: new ArrayBuffer(empty_size) };
}
}
if(query_args.has("hdb.url"))
{
settings.hdb = {
size: parseInt(query_args.get("hdb.size"), 10) || undefined,
// TODO: synchronous if small?
url: query_args.get("hdb.url"),
fixed_chunk_size: chunk_size,
async: true,
};
}
else if(query_args.has("hdb.empty"))
{
const empty_size = parseInt(query_args.get("hdb.empty"), 10);
if(empty_size > 0)
{
settings.hdb = { buffer: new ArrayBuffer(empty_size) };
}
}
if(query_args.has("cdrom.url"))
{
@ -1925,16 +1973,30 @@ function start_emulation(profile, query_args)
{
settings.cdrom = { buffer: cdrom };
}
const hda = $("hda_image").files[0];
const hda = $("hda_image")?.files[0];
if(hda)
{
settings.hda = { buffer: hda };
}
const hda_empty_size = +$("hda_empty_size")?.value;
if(hda_empty_size)
{
const size = hda_empty_size * 1024 * 1024;
settings.hda = { buffer: new ArrayBuffer(size) };
new_query_args.set("hda.empty", String(size));
}
const hdb = $("hdb_image")?.files[0];
if(hdb)
{
settings.hdb = { buffer: hdb };
}
const hdb_empty_size = +$("hdb_empty_size")?.value;
if(hdb_empty_size)
{
const size = hdb_empty_size * 1024 * 1024;
settings.hdb = { buffer: new ArrayBuffer(hdb_empty_size * 1024 * 1024) };
new_query_args.set("hdb.empty", String(size));
}
const multiboot = $("multiboot_image")?.files[0];
if(multiboot)
{
@ -2368,6 +2430,7 @@ function init_ui(profile, settings, emulator)
elem.onclick = function(e)
{
// XXX: the filename is a bit confusing for empty disks (it chooses the profile name)
const filename = buffer.file && buffer.file.name || ((profile?.id || "v86") + (type === "cdrom" ? ".iso" : ".img"));
if(buffer.get_as_file)

3
v86.css
View file

@ -173,6 +173,9 @@ input[type=checkbox] {
bottom: 1px;
margin: 0;
}
input[type=number] {
width: 75px;
}
#filter label {
background-color: #444;
padding: 2px 4px;