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feat: Implement a basic MMU configuration

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This commit is contained in:
Alexander Neuhäuser
2026-03-08 17:18:57 +01:00
parent 55f410e2bb
commit 6af820815d
13 changed files with 244 additions and 49 deletions
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4
src/peripherals/uart.rs
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@@ -118,11 +118,13 @@ fn uart_fifo_enable(enable: bool) {
unsafe { write_address(UART0_LCRH, lcrh) };
}
#[inline(always)]
fn uart_enable_rx_interrupt() {
unsafe { write_address(UART0_IMSC, UART0_IMSC_RXIM) };
}
/// Set UART word length and set FIFO status
#[inline(always)]
fn uart_set_lcrh(wlen: u32, enable_fifo: bool) {
let mut value = (wlen & 0b11) << 5;
if enable_fifo {
@@ -131,10 +133,12 @@ fn uart_set_lcrh(wlen: u32, enable_fifo: bool) {
unsafe { write_address(UART0_LCRH, value) };
}
#[inline(always)]
pub fn read_uart_data() -> char {
(unsafe { read_address(UART0_DR) } & 0xFF) as u8 as char
}
#[inline(always)]
pub fn clear_uart_interrupt_state() {
unsafe {
write_address(UART0_ICR, 1 << 4);