feat: symlink(2) and realpathat syscall

[lunaix-os.git] / lunaix-os / hal / ahci / ata.c

diff --git a/lunaix-os/hal/ahci/ata.c b/lunaix-os/hal/ahci/ata.c
index 486d69d7c76ac7a551c125f96c0da4e68b10b845..a2f10ba769bfa49c24e7440baae63b7e98231c65 100644 (file)
--- a/lunaix-os/hal/ahci/ata.c
+++ b/lunaix-os/hal/ahci/ata.c
@@ -6,7 +6,7 @@
 #include <lunaix/spike.h>
 
 int
 #include <lunaix/spike.h>
 
 int

-__sata_buffer_io(struct hba_port* port,
+__sata_buffer_io(struct hba_device* dev,

                  uint64_t lba,
                  void* buffer,
                  uint32_t size,
                  uint64_t lba,
                  void* buffer,
                  uint32_t size,


@@ -14,9 +14,10 @@ __sata_buffer_io(struct hba_port* port,
 {
     assert_msg(((uintptr_t)buffer & 0x3) == 0, "HBA: Bad buffer alignment");
 
 {
     assert_msg(((uintptr_t)buffer & 0x3) == 0, "HBA: Bad buffer alignment");
 

+    struct hba_port* port = dev->port;

     struct hba_cmdh* header;
     struct hba_cmdt* table;
     struct hba_cmdh* header;
     struct hba_cmdt* table;

-    int slot = hba_alloc_slot(port, &table, &header, 0);
+    int slot = hba_prepare_cmd(port, &table, &header, buffer, size);

     int bitmask = 1 << slot;
 
     // 确保端口是空闲的
     int bitmask = 1 << slot;
 
     // 确保端口是空闲的


@@ -24,9 +25,6 @@ __sata_buffer_io(struct hba_port* port,
 
     port->regs[HBA_RPxIS] = 0;
 
 
     port->regs[HBA_RPxIS] = 0;
 

-    table->entries[0] = (struct hba_prdte){ .byte_count = size - 1,
-                                            .data_base = vmm_v2p(buffer) };
-    header->prdt_len = 1;

     header->options |= HBA_CMDH_WRITE * (write == 1);
 
     uint16_t count = ICEIL(size, port->device->block_size);
     header->options |= HBA_CMDH_WRITE * (write == 1);
 
     uint16_t count = ICEIL(size, port->device->block_size);


@@ -73,21 +71,21 @@ fail:
 }
 
 int
 }
 
 int

-sata_read_buffer(struct hba_port* port,
+sata_read_buffer(struct hba_device* dev,

                  uint64_t lba,
                  void* buffer,
                  uint32_t size)
 {
                  uint64_t lba,
                  void* buffer,
                  uint32_t size)
 {

-    return __sata_buffer_io(port, lba, buffer, size, 0);
+    return __sata_buffer_io(dev, lba, buffer, size, 0);

 }
 
 int
 }
 
 int

-sata_write_buffer(struct hba_port* port,
+sata_write_buffer(struct hba_device* dev,

                   uint64_t lba,
                   void* buffer,
                   uint32_t size)
 {
                   uint64_t lba,
                   void* buffer,
                   uint32_t size)
 {

-    return __sata_buffer_io(port, lba, buffer, size, 1);
+    return __sata_buffer_io(dev, lba, buffer, size, 1);

 }
 
 void
 }
 
 void


@@ -95,4 +93,5 @@ sata_read_error(struct hba_port* port)
 {
     uint32_t tfd = port->regs[HBA_RPxTFD];
     port->device->last_error = (tfd >> 8) & 0xff;
 {
     uint32_t tfd = port->regs[HBA_RPxTFD];
     port->device->last_error = (tfd >> 8) & 0xff;

+    port->device->last_status = tfd & 0xff;

 }
\ No newline at end of file
 }
\ No newline at end of file