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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/devices/input_setup.rs
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@@ -14,8 +14,9 @@ pub fn configure(uart: &Uart, input_pid: ProcessId) {
map_mmio(uart, input_pid, UART_VA, board::UART_BASE, 1);
// Try to find VirtIO input device
if let Some(mmio) = hw_virtio::mmio::scan_for_device(hw_virtio::mmio::DEVICE_ID_INPUT) {
let base = mmio.base();
let first = crate::mmu::phys_to_virt(hw_virtio::mmio::MMIO_FIRST);
if let Some(mmio) = hw_virtio::mmio::scan_for_device(first, hw_virtio::mmio::DEVICE_ID_INPUT) {
let base = crate::mmu::virt_to_phys(mmio.base());
map_mmio(uart, input_pid, INPUT_MMIO_VA, base, 1);
let vq_phys = dma_buffer(uart, input_pid, INPUT_VQUEUE_VA, 2);
let evbuf_phys = dma_buffer(uart, input_pid, INPUT_EVBUF_VA, 1);