forked from AbleOS/ableos
114 lines
2.5 KiB
Rust
114 lines
2.5 KiB
Rust
#![allow(dead_code)]
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// TODO: Evaluate variable sized mailboxes
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pub struct MailBoxes {
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flags: u8,
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mailboxes: [u64; 4],
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}
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impl MailBoxes {
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pub fn new() -> Self {
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Self {
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flags: 0b0000_0000,
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mailboxes: [0; 4],
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}
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}
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pub fn reset(&mut self) {
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self.flags = 0b0000_0000;
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self.mailboxes = [0; 4];
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}
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pub fn set_mailbox(&mut self, mailbox_num: u8, mailbox_data: u64) {
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if let 0..=3 = mailbox_num {
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self.mailboxes[mailbox_num as usize] = mailbox_data
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}
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}
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pub fn set_flag(&mut self, flag_num: u8) {
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match flag_num {
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0 => {
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self.flags |= 0b0000_0001;
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}
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1 => {
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self.flags |= 0b0000_0010;
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}
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2 => {
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self.flags |= 0b0000_0100;
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}
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3 => {
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self.flags |= 0b0000_1000;
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}
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4 => {
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self.flags |= 0b0001_0000;
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}
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5 => {
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self.flags |= 0b0010_0000;
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}
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6 => {
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self.flags |= 0b0100_0000;
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}
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7 => {
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self.flags |= 0b1000_0000;
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}
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_ => {}
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}
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}
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pub fn dump_flags(&self) {
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trace!(
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"Flag 0: {:08b} | {}",
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self.flags & 0b0000_0001,
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self.flags & 0b0000_0001
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);
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trace!(
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"Flag 1: {:08b} | {}",
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self.flags & 0b0000_0010,
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self.flags >> 1 & 0b0000_0001
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);
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trace!(
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"Flag 2: {:08b} | {}",
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self.flags & 0b0000_0100,
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self.flags >> 2 & 0b0000_0001
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);
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trace!(
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"Flag 3: {:08b} | {}",
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self.flags & 0b0000_1000,
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self.flags >> 3 & 0b0000_0001
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);
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trace!(
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"Flag 4: {:08b} | {}",
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self.flags & 0b0001_0000,
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self.flags >> 4 & 0b0000_0001
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);
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trace!(
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"Flag 5: {:08b} | {}",
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self.flags & 0b0010_0000,
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self.flags >> 5 & 0b0000_0001
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);
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trace!(
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"Flag 6: {:08b} | {}",
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self.flags & 0b0100_0000,
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self.flags >> 6 & 0b0000_0001
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);
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trace!(
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"Flag 7: {:08b} | {}",
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self.flags & 0b1000_0000,
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self.flags >> 7 & 0b0000_0001
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);
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}
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}
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impl Default for MailBoxes {
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fn default() -> Self {
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Self::new()
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}
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}
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