mirror of
https://github.com/XunilGroup/XunilOS.git
synced 2026-06-02 11:44:24 +02:00
csd4ni3l
812d4cf6d4
points to aarch64 ld, add aarch64 heap, init, page tables and usermode, make hhdm_offset a global atomic, aarch64 uses semihosting for output, add generic PageTable type, add a function that creates and maps pages, use allow to remove warnings, add a bufwriter so kernel panic always works
41 lines
937 B
Rust
41 lines
937 B
Rust
use crate::task::scheduler::{SCHEDULER, current_pid};
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#[cfg(target_arch = "x86_64")]
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#[repr(C)]
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#[derive(Clone, Copy)]
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pub struct UserContext {
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//general purpose data regs
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pub r15: u64,
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pub r14: u64,
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pub r13: u64,
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pub r12: u64,
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pub r11: u64, // rflags
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pub r10: u64,
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pub r9: u64,
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pub r8: u64,
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pub rsi: u64,
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pub rdi: u64,
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pub rbp: u64,
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pub rdx: u64,
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pub rcx: u64, // rip
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pub rbx: u64,
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pub rax: u64,
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pub rsp: u64, // user rsp
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}
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#[cfg(target_arch = "aarch64")]
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#[repr(C)]
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#[derive(Clone, Copy)]
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pub struct UserContext {}
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#[unsafe(no_mangle)]
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pub extern "C" fn ctx_save(regs: *const UserContext) {
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if let Some(pid) = current_pid() {
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let mut guard = SCHEDULER.lock();
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if let Some(process) = guard.processes.get_mut(&pid) {
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let saved_ctx = unsafe { core::ptr::read(regs) };
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process.saved_ctx = Some(saved_ctx);
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}
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}
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}
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