diff options
Diffstat (limited to 'src/linux_devmem.c')
| -rw-r--r-- | src/linux_devmem.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/src/linux_devmem.c b/src/linux_devmem.c index 271e53f..10e3bde 100644 --- a/src/linux_devmem.c +++ b/src/linux_devmem.c @@ -25,7 +25,7 @@ /** * \file linux_devmem.c * Access PCI subsystem using Linux's the old /dev/mem interface. - * + * * \note * This is currently just a skeleton. It only includes the /dev/mem based * function for reading the device ROM. @@ -52,11 +52,11 @@ /** * Read a device's expansion ROM using /dev/mem. - * + * * \note * This function could probably be used, as-is, on other platforms that have * a /dev/mem interface. - * + * * \bugs * Before using the VGA special case code, this function should check that * VGA access are routed to the device. Right? @@ -94,7 +94,7 @@ pci_device_linux_devmem_read_rom(struct pci_device *dev, void *buffer) rom_size = priv->base.rom_size; PCI_ROM = 1; } - + /* Enable the device's ROM. @@ -106,15 +106,15 @@ pci_device_linux_devmem_read_rom(struct pci_device *dev, void *buffer) } if ((rom_base_tmp & 0x000000001) == 0) { - err = pci_device_cfg_write_u32(& priv->base, + err = pci_device_cfg_write_u32(& priv->base, rom_base_tmp | 1, 48); if (err) { return err; } } } - - + + /* Read the portion of /dev/mem that corresponds to the device's ROM. */ fd = open("/dev/mem", O_RDONLY, 0); @@ -125,7 +125,7 @@ pci_device_linux_devmem_read_rom(struct pci_device *dev, void *buffer) size_t bytes; for (bytes = 0; bytes < rom_size; /* empty */) { - const ssize_t got = pread(fd, buffer, rom_size - bytes, + const ssize_t got = pread(fd, buffer, rom_size - bytes, rom_base + bytes); if (got == -1) { err = errno; @@ -138,7 +138,7 @@ pci_device_linux_devmem_read_rom(struct pci_device *dev, void *buffer) close(fd); } - + /* Disable the device's ROM. */ if (PCI_ROM && ((rom_base_tmp & 0x000000001) == 0)) { |