moros/README.md

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# MOROS: Obscure Rust Operating System
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```
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```
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Add network stack (#12) * Display MAC address * Add kernel::pci::find_device * Mask lower bits of 16-bit Memory Space BAR * Use array instead of vector for MAC address * Split interrupts module * Use IRQ constants instead of InterruptIndex enum * Replace kernel::sleep by kernel::time * Add kernel::idt::set_irq_handler * Add interrupt handler for RTL8139 * Enable bus mastering for RTL8139 * Setup NIC * Add features for vga/serial and qwerty/dvorak * Add smoltcp crate * Use EthernetAddress from smoltcp * Add RTL8139 struct to implement smoltcp Device * Save detected device * Add kernel::mem::translate_addr * Use physical address of rx_buffer * Add command to read raw network data * Parse packet header and length * Fix missing ascii on last line * Take CRC into account for packet length * Fix compilation error * Move buffer pointers after packet received * Use buffer slice instead of clone in RxToken * Add packet transmission and dhcp client * Configure network interface with DHCP client * Add debug mode to network interface * Clean dhcp command output * Add ip command * Clean up commands output * Count number of packets transmitted and received * Add route command * Add kernel::random::rand16 * Handle carriage return char * Add HTTP client * Improve http command output * Add DNS resolver command * Parse DNS responses to A IN queries * Resolve http host * Check if interface is ready before operations * Add timeout to polling loops * Fix sleep during polling * Add verbose arg to http command * Add State struct to Device struct * Add subcommand config and dump to net command * Add MTU to RX_BUFFER_LEN when using WRAP * Fix first transmission index * Refactor TxToken implementation * Add user agent to http requests * Add more comments to code * Add llvm-tools-preview component to readme * Add method to translate IRQ into system interrupt * Clear IRQ mask in set_irq_handler * Refactor driver code * Sleep less rather than more * Add rand32 * Disable RTL8139 interrupts * Use arrays instead of vectors for buffers * Add minimum sleep duration * Add phy_addr to dry init * Use CAPR and CBR to compute rx buffer offset * Add debug for alloc issue with continuous physical memory * Fix timeout in loops * Add unused buffer to push the rx buffer into contiguous memory * Add doc about network * Update readme * Add read /net/<proto>/<host>/<path> subcommand
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MOROS is a toy operating system written in Rust for the x86 architecture.
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This project started from the [seventh post][1] of the second edition of
[Writing an OS in Rust][2] by Philipp Oppermann and by reading the
[OSDev wiki][3] along with many open source kernels.
## Features
Add network stack (#12) * Display MAC address * Add kernel::pci::find_device * Mask lower bits of 16-bit Memory Space BAR * Use array instead of vector for MAC address * Split interrupts module * Use IRQ constants instead of InterruptIndex enum * Replace kernel::sleep by kernel::time * Add kernel::idt::set_irq_handler * Add interrupt handler for RTL8139 * Enable bus mastering for RTL8139 * Setup NIC * Add features for vga/serial and qwerty/dvorak * Add smoltcp crate * Use EthernetAddress from smoltcp * Add RTL8139 struct to implement smoltcp Device * Save detected device * Add kernel::mem::translate_addr * Use physical address of rx_buffer * Add command to read raw network data * Parse packet header and length * Fix missing ascii on last line * Take CRC into account for packet length * Fix compilation error * Move buffer pointers after packet received * Use buffer slice instead of clone in RxToken * Add packet transmission and dhcp client * Configure network interface with DHCP client * Add debug mode to network interface * Clean dhcp command output * Add ip command * Clean up commands output * Count number of packets transmitted and received * Add route command * Add kernel::random::rand16 * Handle carriage return char * Add HTTP client * Improve http command output * Add DNS resolver command * Parse DNS responses to A IN queries * Resolve http host * Check if interface is ready before operations * Add timeout to polling loops * Fix sleep during polling * Add verbose arg to http command * Add State struct to Device struct * Add subcommand config and dump to net command * Add MTU to RX_BUFFER_LEN when using WRAP * Fix first transmission index * Refactor TxToken implementation * Add user agent to http requests * Add more comments to code * Add llvm-tools-preview component to readme * Add method to translate IRQ into system interrupt * Clear IRQ mask in set_irq_handler * Refactor driver code * Sleep less rather than more * Add rand32 * Disable RTL8139 interrupts * Use arrays instead of vectors for buffers * Add minimum sleep duration * Add phy_addr to dry init * Use CAPR and CBR to compute rx buffer offset * Add debug for alloc issue with continuous physical memory * Fix timeout in loops * Add unused buffer to push the rx buffer into contiguous memory * Add doc about network * Update readme * Add read /net/<proto>/<host>/<path> subcommand
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- [x] External bootloader (using [bootloader](https://github.com/rust-osdev/bootloader))
- [x] x86 CPU support (using [x86_64](https://crates.io/crates/x86_64))
- [x] Hardware interrupts (using [pic8259_simple](https://crates.io/crates/pic8259_simple))
- [x] PS/2 Keyboard (using [pc-keyboard](https://crates.io/crates/pc-keyboard))
- [x] VGA Text mode output
- [x] Serial output (using [uart_16550](https://crates.io/crates/uart_16550))
Add network stack (#12) * Display MAC address * Add kernel::pci::find_device * Mask lower bits of 16-bit Memory Space BAR * Use array instead of vector for MAC address * Split interrupts module * Use IRQ constants instead of InterruptIndex enum * Replace kernel::sleep by kernel::time * Add kernel::idt::set_irq_handler * Add interrupt handler for RTL8139 * Enable bus mastering for RTL8139 * Setup NIC * Add features for vga/serial and qwerty/dvorak * Add smoltcp crate * Use EthernetAddress from smoltcp * Add RTL8139 struct to implement smoltcp Device * Save detected device * Add kernel::mem::translate_addr * Use physical address of rx_buffer * Add command to read raw network data * Parse packet header and length * Fix missing ascii on last line * Take CRC into account for packet length * Fix compilation error * Move buffer pointers after packet received * Use buffer slice instead of clone in RxToken * Add packet transmission and dhcp client * Configure network interface with DHCP client * Add debug mode to network interface * Clean dhcp command output * Add ip command * Clean up commands output * Count number of packets transmitted and received * Add route command * Add kernel::random::rand16 * Handle carriage return char * Add HTTP client * Improve http command output * Add DNS resolver command * Parse DNS responses to A IN queries * Resolve http host * Check if interface is ready before operations * Add timeout to polling loops * Fix sleep during polling * Add verbose arg to http command * Add State struct to Device struct * Add subcommand config and dump to net command * Add MTU to RX_BUFFER_LEN when using WRAP * Fix first transmission index * Refactor TxToken implementation * Add user agent to http requests * Add more comments to code * Add llvm-tools-preview component to readme * Add method to translate IRQ into system interrupt * Clear IRQ mask in set_irq_handler * Refactor driver code * Sleep less rather than more * Add rand32 * Disable RTL8139 interrupts * Use arrays instead of vectors for buffers * Add minimum sleep duration * Add phy_addr to dry init * Use CAPR and CBR to compute rx buffer offset * Add debug for alloc issue with continuous physical memory * Fix timeout in loops * Add unused buffer to push the rx buffer into contiguous memory * Add doc about network * Update readme * Add read /net/<proto>/<host>/<path> subcommand
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- [x] Paging
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- [x] Heap allocation (using [linked_list_allocator](https://crates.io/crates/linked_list_allocator))
Add network stack (#12) * Display MAC address * Add kernel::pci::find_device * Mask lower bits of 16-bit Memory Space BAR * Use array instead of vector for MAC address * Split interrupts module * Use IRQ constants instead of InterruptIndex enum * Replace kernel::sleep by kernel::time * Add kernel::idt::set_irq_handler * Add interrupt handler for RTL8139 * Enable bus mastering for RTL8139 * Setup NIC * Add features for vga/serial and qwerty/dvorak * Add smoltcp crate * Use EthernetAddress from smoltcp * Add RTL8139 struct to implement smoltcp Device * Save detected device * Add kernel::mem::translate_addr * Use physical address of rx_buffer * Add command to read raw network data * Parse packet header and length * Fix missing ascii on last line * Take CRC into account for packet length * Fix compilation error * Move buffer pointers after packet received * Use buffer slice instead of clone in RxToken * Add packet transmission and dhcp client * Configure network interface with DHCP client * Add debug mode to network interface * Clean dhcp command output * Add ip command * Clean up commands output * Count number of packets transmitted and received * Add route command * Add kernel::random::rand16 * Handle carriage return char * Add HTTP client * Improve http command output * Add DNS resolver command * Parse DNS responses to A IN queries * Resolve http host * Check if interface is ready before operations * Add timeout to polling loops * Fix sleep during polling * Add verbose arg to http command * Add State struct to Device struct * Add subcommand config and dump to net command * Add MTU to RX_BUFFER_LEN when using WRAP * Fix first transmission index * Refactor TxToken implementation * Add user agent to http requests * Add more comments to code * Add llvm-tools-preview component to readme * Add method to translate IRQ into system interrupt * Clear IRQ mask in set_irq_handler * Refactor driver code * Sleep less rather than more * Add rand32 * Disable RTL8139 interrupts * Use arrays instead of vectors for buffers * Add minimum sleep duration * Add phy_addr to dry init * Use CAPR and CBR to compute rx buffer offset * Add debug for alloc issue with continuous physical memory * Fix timeout in loops * Add unused buffer to push the rx buffer into contiguous memory * Add doc about network * Update readme * Add read /net/<proto>/<host>/<path> subcommand
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- [x] RTC clock
- [x] PCI enumeration
- [x] ATA PIO mode
- [x] Random number generator
- [x] RTL8139 network card
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- [x] DHCP/IP/TCP/UDP/DNS/HTTP protocols (using [smoltcp](https://crates.io/crates/smoltcp))
Add network stack (#12) * Display MAC address * Add kernel::pci::find_device * Mask lower bits of 16-bit Memory Space BAR * Use array instead of vector for MAC address * Split interrupts module * Use IRQ constants instead of InterruptIndex enum * Replace kernel::sleep by kernel::time * Add kernel::idt::set_irq_handler * Add interrupt handler for RTL8139 * Enable bus mastering for RTL8139 * Setup NIC * Add features for vga/serial and qwerty/dvorak * Add smoltcp crate * Use EthernetAddress from smoltcp * Add RTL8139 struct to implement smoltcp Device * Save detected device * Add kernel::mem::translate_addr * Use physical address of rx_buffer * Add command to read raw network data * Parse packet header and length * Fix missing ascii on last line * Take CRC into account for packet length * Fix compilation error * Move buffer pointers after packet received * Use buffer slice instead of clone in RxToken * Add packet transmission and dhcp client * Configure network interface with DHCP client * Add debug mode to network interface * Clean dhcp command output * Add ip command * Clean up commands output * Count number of packets transmitted and received * Add route command * Add kernel::random::rand16 * Handle carriage return char * Add HTTP client * Improve http command output * Add DNS resolver command * Parse DNS responses to A IN queries * Resolve http host * Check if interface is ready before operations * Add timeout to polling loops * Fix sleep during polling * Add verbose arg to http command * Add State struct to Device struct * Add subcommand config and dump to net command * Add MTU to RX_BUFFER_LEN when using WRAP * Fix first transmission index * Refactor TxToken implementation * Add user agent to http requests * Add more comments to code * Add llvm-tools-preview component to readme * Add method to translate IRQ into system interrupt * Clear IRQ mask in set_irq_handler * Refactor driver code * Sleep less rather than more * Add rand32 * Disable RTL8139 interrupts * Use arrays instead of vectors for buffers * Add minimum sleep duration * Add phy_addr to dry init * Use CAPR and CBR to compute rx buffer offset * Add debug for alloc issue with continuous physical memory * Fix timeout in loops * Add unused buffer to push the rx buffer into contiguous memory * Add doc about network * Update readme * Add read /net/<proto>/<host>/<path> subcommand
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- [x] Basic filesystem
- [x] Basic shell
- [x] Basic text editor
- [x] Basic file and network commands
- [x] A LOT OF SHORTCUTS TO GET EVERYTHING WORKING
- [x] HERE BE DRAGONS
- [ ] Processes
- [ ] Multitasking
- [ ] A real userspace
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## Usage
Install tools:
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curl https://sh.rustup.rs -sSf | sh
rustup install nightly
rustup default nightly
rustup component add rust-src
Add network stack (#12) * Display MAC address * Add kernel::pci::find_device * Mask lower bits of 16-bit Memory Space BAR * Use array instead of vector for MAC address * Split interrupts module * Use IRQ constants instead of InterruptIndex enum * Replace kernel::sleep by kernel::time * Add kernel::idt::set_irq_handler * Add interrupt handler for RTL8139 * Enable bus mastering for RTL8139 * Setup NIC * Add features for vga/serial and qwerty/dvorak * Add smoltcp crate * Use EthernetAddress from smoltcp * Add RTL8139 struct to implement smoltcp Device * Save detected device * Add kernel::mem::translate_addr * Use physical address of rx_buffer * Add command to read raw network data * Parse packet header and length * Fix missing ascii on last line * Take CRC into account for packet length * Fix compilation error * Move buffer pointers after packet received * Use buffer slice instead of clone in RxToken * Add packet transmission and dhcp client * Configure network interface with DHCP client * Add debug mode to network interface * Clean dhcp command output * Add ip command * Clean up commands output * Count number of packets transmitted and received * Add route command * Add kernel::random::rand16 * Handle carriage return char * Add HTTP client * Improve http command output * Add DNS resolver command * Parse DNS responses to A IN queries * Resolve http host * Check if interface is ready before operations * Add timeout to polling loops * Fix sleep during polling * Add verbose arg to http command * Add State struct to Device struct * Add subcommand config and dump to net command * Add MTU to RX_BUFFER_LEN when using WRAP * Fix first transmission index * Refactor TxToken implementation * Add user agent to http requests * Add more comments to code * Add llvm-tools-preview component to readme * Add method to translate IRQ into system interrupt * Clear IRQ mask in set_irq_handler * Refactor driver code * Sleep less rather than more * Add rand32 * Disable RTL8139 interrupts * Use arrays instead of vectors for buffers * Add minimum sleep duration * Add phy_addr to dry init * Use CAPR and CBR to compute rx buffer offset * Add debug for alloc issue with continuous physical memory * Fix timeout in loops * Add unused buffer to push the rx buffer into contiguous memory * Add doc about network * Update readme * Add read /net/<proto>/<host>/<path> subcommand
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rustup component add llvm-tools-preview
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cargo install cargo-xbuild bootimage
Create disk:
qemu-img create disk.img 128M
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Run with:
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cargo xrun --release -- \
Add network stack (#12) * Display MAC address * Add kernel::pci::find_device * Mask lower bits of 16-bit Memory Space BAR * Use array instead of vector for MAC address * Split interrupts module * Use IRQ constants instead of InterruptIndex enum * Replace kernel::sleep by kernel::time * Add kernel::idt::set_irq_handler * Add interrupt handler for RTL8139 * Enable bus mastering for RTL8139 * Setup NIC * Add features for vga/serial and qwerty/dvorak * Add smoltcp crate * Use EthernetAddress from smoltcp * Add RTL8139 struct to implement smoltcp Device * Save detected device * Add kernel::mem::translate_addr * Use physical address of rx_buffer * Add command to read raw network data * Parse packet header and length * Fix missing ascii on last line * Take CRC into account for packet length * Fix compilation error * Move buffer pointers after packet received * Use buffer slice instead of clone in RxToken * Add packet transmission and dhcp client * Configure network interface with DHCP client * Add debug mode to network interface * Clean dhcp command output * Add ip command * Clean up commands output * Count number of packets transmitted and received * Add route command * Add kernel::random::rand16 * Handle carriage return char * Add HTTP client * Improve http command output * Add DNS resolver command * Parse DNS responses to A IN queries * Resolve http host * Check if interface is ready before operations * Add timeout to polling loops * Fix sleep during polling * Add verbose arg to http command * Add State struct to Device struct * Add subcommand config and dump to net command * Add MTU to RX_BUFFER_LEN when using WRAP * Fix first transmission index * Refactor TxToken implementation * Add user agent to http requests * Add more comments to code * Add llvm-tools-preview component to readme * Add method to translate IRQ into system interrupt * Clear IRQ mask in set_irq_handler * Refactor driver code * Sleep less rather than more * Add rand32 * Disable RTL8139 interrupts * Use arrays instead of vectors for buffers * Add minimum sleep duration * Add phy_addr to dry init * Use CAPR and CBR to compute rx buffer offset * Add debug for alloc issue with continuous physical memory * Fix timeout in loops * Add unused buffer to push the rx buffer into contiguous memory * Add doc about network * Update readme * Add read /net/<proto>/<host>/<path> subcommand
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-cpu phenom \
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-nic model=rtl8139 \
-hdc disk.img
Or with a serial console:
Add network stack (#12) * Display MAC address * Add kernel::pci::find_device * Mask lower bits of 16-bit Memory Space BAR * Use array instead of vector for MAC address * Split interrupts module * Use IRQ constants instead of InterruptIndex enum * Replace kernel::sleep by kernel::time * Add kernel::idt::set_irq_handler * Add interrupt handler for RTL8139 * Enable bus mastering for RTL8139 * Setup NIC * Add features for vga/serial and qwerty/dvorak * Add smoltcp crate * Use EthernetAddress from smoltcp * Add RTL8139 struct to implement smoltcp Device * Save detected device * Add kernel::mem::translate_addr * Use physical address of rx_buffer * Add command to read raw network data * Parse packet header and length * Fix missing ascii on last line * Take CRC into account for packet length * Fix compilation error * Move buffer pointers after packet received * Use buffer slice instead of clone in RxToken * Add packet transmission and dhcp client * Configure network interface with DHCP client * Add debug mode to network interface * Clean dhcp command output * Add ip command * Clean up commands output * Count number of packets transmitted and received * Add route command * Add kernel::random::rand16 * Handle carriage return char * Add HTTP client * Improve http command output * Add DNS resolver command * Parse DNS responses to A IN queries * Resolve http host * Check if interface is ready before operations * Add timeout to polling loops * Fix sleep during polling * Add verbose arg to http command * Add State struct to Device struct * Add subcommand config and dump to net command * Add MTU to RX_BUFFER_LEN when using WRAP * Fix first transmission index * Refactor TxToken implementation * Add user agent to http requests * Add more comments to code * Add llvm-tools-preview component to readme * Add method to translate IRQ into system interrupt * Clear IRQ mask in set_irq_handler * Refactor driver code * Sleep less rather than more * Add rand32 * Disable RTL8139 interrupts * Use arrays instead of vectors for buffers * Add minimum sleep duration * Add phy_addr to dry init * Use CAPR and CBR to compute rx buffer offset * Add debug for alloc issue with continuous physical memory * Fix timeout in loops * Add unused buffer to push the rx buffer into contiguous memory * Add doc about network * Update readme * Add read /net/<proto>/<host>/<path> subcommand
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cargo xrun --release --no-default-features --features serial,dvorak -- \
-cpu phenom \
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-nic model=rtl8139 \
Add network stack (#12) * Display MAC address * Add kernel::pci::find_device * Mask lower bits of 16-bit Memory Space BAR * Use array instead of vector for MAC address * Split interrupts module * Use IRQ constants instead of InterruptIndex enum * Replace kernel::sleep by kernel::time * Add kernel::idt::set_irq_handler * Add interrupt handler for RTL8139 * Enable bus mastering for RTL8139 * Setup NIC * Add features for vga/serial and qwerty/dvorak * Add smoltcp crate * Use EthernetAddress from smoltcp * Add RTL8139 struct to implement smoltcp Device * Save detected device * Add kernel::mem::translate_addr * Use physical address of rx_buffer * Add command to read raw network data * Parse packet header and length * Fix missing ascii on last line * Take CRC into account for packet length * Fix compilation error * Move buffer pointers after packet received * Use buffer slice instead of clone in RxToken * Add packet transmission and dhcp client * Configure network interface with DHCP client * Add debug mode to network interface * Clean dhcp command output * Add ip command * Clean up commands output * Count number of packets transmitted and received * Add route command * Add kernel::random::rand16 * Handle carriage return char * Add HTTP client * Improve http command output * Add DNS resolver command * Parse DNS responses to A IN queries * Resolve http host * Check if interface is ready before operations * Add timeout to polling loops * Fix sleep during polling * Add verbose arg to http command * Add State struct to Device struct * Add subcommand config and dump to net command * Add MTU to RX_BUFFER_LEN when using WRAP * Fix first transmission index * Refactor TxToken implementation * Add user agent to http requests * Add more comments to code * Add llvm-tools-preview component to readme * Add method to translate IRQ into system interrupt * Clear IRQ mask in set_irq_handler * Refactor driver code * Sleep less rather than more * Add rand32 * Disable RTL8139 interrupts * Use arrays instead of vectors for buffers * Add minimum sleep duration * Add phy_addr to dry init * Use CAPR and CBR to compute rx buffer offset * Add debug for alloc issue with continuous physical memory * Fix timeout in loops * Add unused buffer to push the rx buffer into contiguous memory * Add doc about network * Update readme * Add read /net/<proto>/<host>/<path> subcommand
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-serial stdio \
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-display none \
Add network stack (#12) * Display MAC address * Add kernel::pci::find_device * Mask lower bits of 16-bit Memory Space BAR * Use array instead of vector for MAC address * Split interrupts module * Use IRQ constants instead of InterruptIndex enum * Replace kernel::sleep by kernel::time * Add kernel::idt::set_irq_handler * Add interrupt handler for RTL8139 * Enable bus mastering for RTL8139 * Setup NIC * Add features for vga/serial and qwerty/dvorak * Add smoltcp crate * Use EthernetAddress from smoltcp * Add RTL8139 struct to implement smoltcp Device * Save detected device * Add kernel::mem::translate_addr * Use physical address of rx_buffer * Add command to read raw network data * Parse packet header and length * Fix missing ascii on last line * Take CRC into account for packet length * Fix compilation error * Move buffer pointers after packet received * Use buffer slice instead of clone in RxToken * Add packet transmission and dhcp client * Configure network interface with DHCP client * Add debug mode to network interface * Clean dhcp command output * Add ip command * Clean up commands output * Count number of packets transmitted and received * Add route command * Add kernel::random::rand16 * Handle carriage return char * Add HTTP client * Improve http command output * Add DNS resolver command * Parse DNS responses to A IN queries * Resolve http host * Check if interface is ready before operations * Add timeout to polling loops * Fix sleep during polling * Add verbose arg to http command * Add State struct to Device struct * Add subcommand config and dump to net command * Add MTU to RX_BUFFER_LEN when using WRAP * Fix first transmission index * Refactor TxToken implementation * Add user agent to http requests * Add more comments to code * Add llvm-tools-preview component to readme * Add method to translate IRQ into system interrupt * Clear IRQ mask in set_irq_handler * Refactor driver code * Sleep less rather than more * Add rand32 * Disable RTL8139 interrupts * Use arrays instead of vectors for buffers * Add minimum sleep duration * Add phy_addr to dry init * Use CAPR and CBR to compute rx buffer offset * Add debug for alloc issue with continuous physical memory * Fix timeout in loops * Add unused buffer to push the rx buffer into contiguous memory * Add doc about network * Update readme * Add read /net/<proto>/<host>/<path> subcommand
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-hdc disk.img
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Or with `cool-retro-term` for a retro console look:
sh run/cool-retro-term.sh
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## LICENSE
MOROS is released under MIT.
[1]: https://github.com/phil-opp/blog_os/tree/post-07
[2]: https://os.phil-opp.com
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[3]: https://wiki.osdev.org