sawyer/picocalc-os-rs
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alloc user to access kernel backed heap (psram, if equiped)

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sawyer bristol
2025-10-27 12:25:57 -06:00
parent b872e6be7c
commit f6d5fb98ab
11 changed files with 150 additions and 82 deletions
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26
kernel/src/elf.rs
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@@ -2,7 +2,7 @@ use crate::{
abi,
storage::{File, SDCARD},
};
use abi_sys::CallAbiTable;
use abi_sys::CallTable;
use abi_sys::EntryFn;
use alloc::{vec, vec::Vec};
use bumpalo::Bump;
@@ -194,18 +194,20 @@ fn patch_abi(
unsafe { base.add((sym.st_value as usize) - min_vaddr as usize) }
as *mut usize;
for (idx, call) in CallAbiTable::iter().enumerate() {
for (idx, call) in CallTable::iter().enumerate() {
let ptr = match call {
CallAbiTable::PrintString => abi::print as usize,
CallAbiTable::SleepMs => abi::sleep as usize,
CallAbiTable::GetMs => abi::get_ms as usize,
CallAbiTable::LockDisplay => abi::lock_display as usize,
CallAbiTable::DrawIter => abi::draw_iter as usize,
CallAbiTable::GetKey => abi::get_key as usize,
CallAbiTable::GenRand => abi::gen_rand as usize,
CallAbiTable::ListDir => abi::list_dir as usize,
CallAbiTable::ReadFile => abi::read_file as usize,
CallAbiTable::FileLen => abi::file_len as usize,
CallTable::Alloc => abi::alloc as usize,
CallTable::Dealloc => abi::dealloc as usize,
CallTable::PrintString => abi::print as usize,
CallTable::SleepMs => abi::sleep as usize,
CallTable::GetMs => abi::get_ms as usize,
CallTable::LockDisplay => abi::lock_display as usize,
CallTable::DrawIter => abi::draw_iter as usize,
CallTable::GetKey => abi::get_key as usize,
CallTable::GenRand => abi::gen_rand as usize,
CallTable::ListDir => abi::list_dir as usize,
CallTable::ReadFile => abi::read_file as usize,
CallTable::FileLen => abi::file_len as usize,
};
unsafe {
table_base.add(idx as usize).write(ptr);