refactor: abstract out the code for prdte creation (by imposing a constrain on buffer...

[lunaix-os.git] / lunaix-os / kernel / proc0.c

diff --git a/lunaix-os/kernel/proc0.c b/lunaix-os/kernel/proc0.c
index b9a2470a765b1b86cfc42fa939d190a3d5dd6fd9..759db2c0d19906bdffd2a34e8639615659e50bdb 100644 (file)
--- a/lunaix-os/kernel/proc0.c
+++ b/lunaix-os/kernel/proc0.c
@@ -119,14 +119,14 @@ void
 __test_disk_io()
 {
     struct hba_port* port = ahci_get_port(0);
 __test_disk_io()
 {
     struct hba_port* port = ahci_get_port(0);

-    char* buffer = valloc_dma(port->device->block_size);
+    char* buffer = vcalloc_dma(port->device->block_size);

     strcpy(buffer, test_sequence);
     kprintf("WRITE: %s\n", buffer);
     int result;
 
     strcpy(buffer, test_sequence);
     kprintf("WRITE: %s\n", buffer);
     int result;
 

-    // 写入第一扇区
+    // 写入第一扇区 (LBA=0)

     result =
     result =

-      port->device->ops.write_buffer(port, 1, buffer, port->device->block_size);
+      port->device->ops.write_buffer(port, 0, buffer, port->device->block_size);

     if (!result) {
         kprintf(KWARN "fail to write: %x\n", port->device->last_error);
     }
     if (!result) {
         kprintf(KWARN "fail to write: %x\n", port->device->last_error);
     }


@@ -135,13 +135,15 @@ __test_disk_io()
 
     // 读出我们刚刚写的内容！
     result =
 
     // 读出我们刚刚写的内容！
     result =

-      port->device->ops.read_buffer(port, 1, buffer, port->device->block_size);
+      port->device->ops.read_buffer(port, 0, buffer, port->device->block_size);

     kprintf(KDEBUG "%x, %x\n", port->regs[HBA_RPxIS], port->regs[HBA_RPxTFD]);
     if (!result) {
         kprintf(KWARN "fail to read: %x\n", port->device->last_error);
     } else {
         kprint_hex(buffer, 256);
     }
     kprintf(KDEBUG "%x, %x\n", port->regs[HBA_RPxIS], port->regs[HBA_RPxTFD]);
     if (!result) {
         kprintf(KWARN "fail to read: %x\n", port->device->last_error);
     } else {
         kprint_hex(buffer, 256);
     }

+
+    vfree_dma(buffer);

 }
 
 void
 }
 
 void