diff options
| author | dzwdz | 2022-12-26 23:22:03 +0100 |
|---|---|---|
| committer | dzwdz | 2022-12-26 23:22:03 +0100 |
| commit | 7ea0ddc733285cfa25d6535954de4784b054902a (patch) | |
| tree | 0ae76ba3dd7628e5304153808962190d37559388 /src/kernel/arch/amd64/driver | |
| parent | 2041919a2bb6cd8f4ef8ef6565962cfa82bb89f7 (diff) | |
amd64/ata: write support
Diffstat (limited to 'src/kernel/arch/amd64/driver')
| -rw-r--r-- | src/kernel/arch/amd64/driver/pata.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/kernel/arch/amd64/driver/pata.c b/src/kernel/arch/amd64/driver/pata.c index 77b654c..3d5e3c6 100644 --- a/src/kernel/arch/amd64/driver/pata.c +++ b/src/kernel/arch/amd64/driver/pata.c @@ -56,7 +56,18 @@ static void accept(struct vfs_request *req) { break; case VFSOP_WRITE: - panic_unimplemented(); + if (id == root_id) { + vfsreq_finish_short(req, -EACCES); + break; + } + fs_normslice(&req->offset, &req->input.len, ata_size(id), false); + len = min(req->input.len, sizeof wbuf); + if (len != 0) { + virt_cpy_from(req->caller->pages, wbuf, req->input.buf, len); + ata_write(id, wbuf, len, req->offset); + } + vfsreq_finish_short(req, len); + break; case VFSOP_GETSIZE: if (id == root_id) { |