Changeset 690d2e7 in mainline for uspace/drv/bus/pci/pciintel/pci.c

Timestamp:

2012-01-24T04:28:54Z (12 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

cb3dbb63

Parents:

230385c

Message:

pci: intel pci is always little endian.

File:

• uspace/drv/bus/pci/pciintel/pci.c (modified) (3 diffs)

uspace/drv/bus/pci/pciintel/pci.c

@@ -38 +38 @@
 
 #include <assert.h>
+#include <byteorder.h>
 #include <stdio.h>
 #include <errno.h>
@@ -231 +232 @@
         void *addr = bus->conf_data_port + (reg & 3);
         
-        pio_write_32(bus->conf_addr_port, conf_addr);
+        pio_write_32(bus->conf_addr_port, host2uint32_t_le(conf_addr));
         
         switch (len) {
         case 1:
+                /* No endianness change for 1 byte */
                 buf[0] = pio_read_8(addr);
                 break;
         case 2:
-                ((uint16_t *) buf)[0] = pio_read_16(addr);
+                ((uint16_t *) buf)[0] = uint16_t_le2host(pio_read_16(addr));
                 break;
         case 4:
-                ((uint32_t *) buf)[0] = pio_read_32(addr);
+                ((uint32_t *) buf)[0] = uint32_t_le2host(pio_read_32(addr));
                 break;
         }
@@ -254 +256 @@
         fibril_mutex_lock(&bus->conf_mutex);
         
-        uint32_t conf_addr;
-        conf_addr = CONF_ADDR(fun->bus, fun->dev, fun->fn, reg);
+        const uint32_t conf_addr = CONF_ADDR(fun->bus, fun->dev, fun->fn, reg);
         void *addr = bus->conf_data_port + (reg & 3);
         
-        pio_write_32(bus->conf_addr_port, conf_addr);
+        pio_write_32(bus->conf_addr_port, host2uint32_t_le(conf_addr));
         
         switch (len) {
         case 1:
+                /* No endianness change for 1 byte */
                 pio_write_8(addr, buf[0]);
                 break;
         case 2:
-                pio_write_16(addr, ((uint16_t *) buf)[0]);
+                pio_write_16(addr, host2uint16_t_le(((uint16_t *) buf)[0]));
                 break;
         case 4:
-                pio_write_32(addr, ((uint32_t *) buf)[0]);
+                pio_write_32(addr, host2uint32_t_le(((uint32_t *) buf)[0]));
                 break;
         }