feat(adapter): higher-half kernel (linked at PHYS_OFFSET, boot trampoline, no low mappings), fix SBI ecall clobbers

2026-10-27 00:25:20 +01:00
parent 55758ae5b2
commit b87a62475f
20 changed files with 208 additions and 143 deletions
--- a/crates/adapter-riscv/src/mmu/allocator.rs
+++ b/crates/adapter-riscv/src/mmu/allocator.rs
@@ -15,7 +15,7 @@ pub fn init_allocator(start: usize) {
 pub fn alloc_zeroed_page() -> usize {
    unsafe {
        let addr = NEXT_FREE;
-        if addr + PAGE_SIZE > board::USER_POOL_BASE {
+        if addr + PAGE_SIZE > super::phys_to_virt(board::USER_POOL_BASE) {
            crate::halt(&crate::hw::uart::Uart::new(), "boot allocator exhausted");
        }
        NEXT_FREE += PAGE_SIZE;