style: cargo fmt kernel crates
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@@ -38,9 +38,8 @@ pub fn configure(uart: &Uart, display_pid: ProcessId) {
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gpu.init_device(vq_phys);
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let queue = hw_virtio::queue::VirtioQueue::new(
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hw_virtio::queue::QueueAddrs::from_base(vq_phys),
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);
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let queue =
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hw_virtio::queue::VirtioQueue::new(hw_virtio::queue::QueueAddrs::from_base(vq_phys));
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let dma = hw_virtio::gpu::GpuDmaAddrs {
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cmd_pa: types::address::PhysicalAddress::from_raw(cmd_phys),
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cmd_va: types::address::VirtualAddress::from_raw(cmd_phys),
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@@ -86,12 +85,15 @@ pub fn configure(uart: &Uart, display_pid: ProcessId) {
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}
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fn map_page(pt: &mut mmu::PageTable, va: usize, pa: usize) {
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mmu::map(pt, mmu::Mapping {
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va: types::address::VirtualAddress::from_raw(va),
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pa: types::address::PhysicalAddress::from_raw(pa),
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pages: 1,
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flags: mmu::Sv39Flags::user_rw(),
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});
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mmu::map(
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pt,
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mmu::Mapping {
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va: types::address::VirtualAddress::from_raw(va),
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pa: types::address::PhysicalAddress::from_raw(pa),
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pages: 1,
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flags: mmu::Sv39Flags::user_rw(),
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},
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);
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}
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fn map_range(pt: &mut mmu::PageTable, va_base: usize, pa_base: usize, count: usize) {
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@@ -45,12 +45,15 @@ pub fn configure(uart: &Uart, input_pid: ProcessId) {
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}
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fn map_page(pt: &mut mmu::PageTable, va: usize, pa: usize) {
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mmu::map(pt, mmu::Mapping {
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va: types::address::VirtualAddress::from_raw(va),
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pa: types::address::PhysicalAddress::from_raw(pa),
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pages: 1,
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flags: mmu::Sv39Flags::user_rw(),
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});
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mmu::map(
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pt,
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mmu::Mapping {
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va: types::address::VirtualAddress::from_raw(va),
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pa: types::address::PhysicalAddress::from_raw(pa),
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pages: 1,
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flags: mmu::Sv39Flags::user_rw(),
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},
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);
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}
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fn map_range(pt: &mut mmu::PageTable, va_base: usize, pa_base: usize, count: usize) {
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@@ -13,12 +13,7 @@ const PHYSINFO_VA: usize = 0x24000;
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const SHARED_BUF_VA: usize = 0x30000;
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const SHARED_BUF_PAGES: usize = 16;
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pub fn configure(
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uart: &Uart,
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init_pid: ProcessId,
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storage_pid: ProcessId,
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virtio_base: usize,
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) {
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pub fn configure(uart: &Uart, init_pid: ProcessId, storage_pid: ProcessId, virtio_base: usize) {
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let storage_pt = get_pt(storage_pid);
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let init_pt = get_pt(init_pid);
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@@ -39,47 +34,59 @@ fn get_pt(pid: ProcessId) -> &'static mut mmu::PageTable {
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}
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fn map_virtio_mmio(pt: &mut mmu::PageTable, virtio_base: usize) {
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mmu::map(pt, mmu::Mapping {
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va: types::address::VirtualAddress::from_raw(VIRTIO_VA),
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pa: types::address::PhysicalAddress::from_raw(virtio_base),
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pages: 1,
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flags: mmu::Sv39Flags::user_rw(),
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});
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mmu::map(
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pt,
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mmu::Mapping {
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va: types::address::VirtualAddress::from_raw(VIRTIO_VA),
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pa: types::address::PhysicalAddress::from_raw(virtio_base),
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pages: 1,
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flags: mmu::Sv39Flags::user_rw(),
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},
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);
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}
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fn alloc_and_map_virtqueue(pt: &mut mmu::PageTable) -> usize {
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let phys = mmu::allocator::alloc_zeroed_page();
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mmu::allocator::alloc_zeroed_page();
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for i in 0..2usize {
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mmu::map(pt, mmu::Mapping {
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va: types::address::VirtualAddress::from_raw(VQUEUE_VA + i * 4096),
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pa: types::address::PhysicalAddress::from_raw(phys + i * 4096),
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pages: 1,
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flags: mmu::Sv39Flags::user_rw(),
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});
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mmu::map(
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pt,
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mmu::Mapping {
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va: types::address::VirtualAddress::from_raw(VQUEUE_VA + i * 4096),
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pa: types::address::PhysicalAddress::from_raw(phys + i * 4096),
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pages: 1,
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flags: mmu::Sv39Flags::user_rw(),
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},
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);
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}
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phys
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}
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fn alloc_and_map_reqhdr(pt: &mut mmu::PageTable) -> usize {
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let phys = mmu::allocator::alloc_zeroed_page();
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mmu::map(pt, mmu::Mapping {
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va: types::address::VirtualAddress::from_raw(REQHDR_VA),
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pa: types::address::PhysicalAddress::from_raw(phys),
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pages: 1,
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flags: mmu::Sv39Flags::user_rw(),
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});
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mmu::map(
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pt,
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mmu::Mapping {
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va: types::address::VirtualAddress::from_raw(REQHDR_VA),
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pa: types::address::PhysicalAddress::from_raw(phys),
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pages: 1,
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flags: mmu::Sv39Flags::user_rw(),
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},
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);
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phys
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}
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fn write_phys_info(pt: &mut mmu::PageTable, reqhdr_phys: usize) {
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let phys = mmu::allocator::alloc_zeroed_page();
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mmu::map(pt, mmu::Mapping {
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va: types::address::VirtualAddress::from_raw(PHYSINFO_VA),
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pa: types::address::PhysicalAddress::from_raw(phys),
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pages: 1,
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flags: mmu::Sv39Flags::user_rw(),
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});
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mmu::map(
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pt,
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mmu::Mapping {
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va: types::address::VirtualAddress::from_raw(PHYSINFO_VA),
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pa: types::address::PhysicalAddress::from_raw(phys),
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pages: 1,
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flags: mmu::Sv39Flags::user_rw(),
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},
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);
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unsafe {
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let info = phys as *mut u64;
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core::ptr::write_volatile(info, reqhdr_phys as u64);
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@@ -104,11 +111,14 @@ fn map_shared_buffer(init_pt: &mut mmu::PageTable, storage_pt: &mut mmu::PageTab
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flags: mmu::Sv39Flags::user_rw(),
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};
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mmu::map(init_pt, mapping);
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mmu::map(storage_pt, mmu::Mapping {
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va: types::address::VirtualAddress::from_raw(va),
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pa: types::address::PhysicalAddress::from_raw(page),
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pages: 1,
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flags: mmu::Sv39Flags::user_rw(),
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});
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mmu::map(
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storage_pt,
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mmu::Mapping {
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va: types::address::VirtualAddress::from_raw(va),
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pa: types::address::PhysicalAddress::from_raw(page),
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pages: 1,
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flags: mmu::Sv39Flags::user_rw(),
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},
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);
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}
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}
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