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Refactor boot modules to make heap allocation explicit

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This commit is contained in:
Zhang Junyang
2024-12-31 13:44:35 +08:00
committed by Tate, Hongliang Tian
parent 51349a3da1
commit 397ce9652f
15 changed files with 267 additions and 301 deletions
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14
kernel/comps/framebuffer/src/lib.rs
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@ -15,7 +15,7 @@ use core::{
use component::{init_component, ComponentInitError};
use font8x8::UnicodeFonts;
use ostd::{
boot::{self, memory_region::MemoryRegionType, memory_regions},
boot::{boot_info, memory_region::MemoryRegionType},
io_mem::IoMem,
mm::{VmIo, PAGE_SIZE},
sync::SpinLock,
@ -36,9 +36,11 @@ pub(crate) static WRITER: Once<SpinLock<Writer>> = Once::new();
#[allow(clippy::diverging_sub_expression)]
pub(crate) fn init() {
let mut writer = {
let framebuffer = boot::framebuffer_arg();
let Some(framebuffer) = boot_info().framebuffer_arg else {
return;
};
let mut size = 0;
for region in memory_regions().iter() {
for region in boot_info().memory_regions.iter() {
if region.typ() == MemoryRegionType::Framebuffer {
size = region.len();
}
@ -56,9 +58,9 @@ pub(crate) fn init() {
io_mem,
x_pos: 0,
y_pos: 0,
bytes_per_pixel: (framebuffer.bpp / 8) as usize,
width: framebuffer.width as usize,
height: framebuffer.height as usize,
bytes_per_pixel: (framebuffer.bpp / 8),
width: framebuffer.width,
height: framebuffer.height,
buffer: buffer.leak(),
}
};