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

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This commit is contained in:
Gabriel Kaszewski
2026-10-27 00:25:20 +01:00
parent 55758ae5b2
commit b87a62475f
20 changed files with 208 additions and 143 deletions
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5
crates/adapter-riscv/src/trap/mod.rs
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@@ -9,6 +9,7 @@ pub struct TrapFrame {
global_asm!(
r#"
.section .text
.align 4
.globl trap_vector
trap_vector:
@@ -207,7 +208,7 @@ fn switch_to_thread(
{
let pt_addr = kern.platform_mut().page_table_for(pid);
if pt_addr != 0 {
let pt = unsafe { &*(pt_addr as *const crate::mmu::PageTable) };
let pt = crate::mmu::page_table::table_at(pt_addr);
crate::mmu::activate(pt);
}
}
@@ -239,7 +240,7 @@ fn switch_to_next(frame: &mut TrapFrame, current_tid: types::id::ThreadId) {
{
let pt_addr = kern.platform_mut().page_table_for(pid);
if pt_addr != 0 {
let pt = unsafe { &*(pt_addr as *const crate::mmu::PageTable) };
let pt = crate::mmu::page_table::table_at(pt_addr);
crate::mmu::activate(pt);
}
}