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Use isohybrid to generate a USB stick friendly ISO

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Add assertions to verify that grants are unmapped
Fix grant unmapping in exec and exit, thus fixing some crashes without network cards
This commit is contained in:
Jeremy Soller 2016-12-06 14:47:05 -07:00
parent 7ee0ea3c86
commit 31d62f9272
5 changed files with 61 additions and 8 deletions
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8
kernel/scheme/user.rs
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@ -106,6 +106,10 @@ impl UserInner {
for i in 0 .. grants.len() {
let start = grants[i].start_address().get();
if to_address + full_size < start {
{
let name = context.name.lock();
println!("{}: {}: Can grant {:X} to {:X} size {}", context.id.into(), ::core::str::from_utf8(&name).unwrap_or(""), from_address, to_address, full_size);
}
grants.insert(i, Grant::map_inactive(
VirtualAddress::new(from_address),
VirtualAddress::new(to_address),
@ -123,6 +127,10 @@ impl UserInner {
}
}
{
let name = context.name.lock();
println!("{}: {}: Can grant {:X} to {:X} size {}", context.id.into(), ::core::str::from_utf8(&name).unwrap_or(""), from_address, to_address, full_size);
}
grants.push(Grant::map_inactive(
VirtualAddress::new(from_address),
VirtualAddress::new(to_address),