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-rw-r--r--sys/boot/efi/boot1/boot1.c575
-rw-r--r--sys/boot/efi/boot1/boot_module.h13
-rw-r--r--sys/boot/efi/boot1/ufs_module.c53
-rw-r--r--sys/boot/efi/boot1/zfs_module.c59
4 files changed, 533 insertions, 167 deletions
diff --git a/sys/boot/efi/boot1/boot1.c b/sys/boot/efi/boot1/boot1.c
index f046235..1161b0a 100644
--- a/sys/boot/efi/boot1/boot1.c
+++ b/sys/boot/efi/boot1/boot1.c
@@ -31,8 +31,7 @@ __FBSDID("$FreeBSD$");
#include <eficonsctl.h>
#include "boot_module.h"
-
-#define _PATH_LOADER "/boot/loader.efi"
+#include "paths.h"
static const boot_module_t *boot_modules[] =
{
@@ -51,9 +50,6 @@ static const boot_module_t *boot_modules[] =
void putchar(int c);
EFI_STATUS efi_main(EFI_HANDLE Ximage, EFI_SYSTEM_TABLE* Xsystab);
-static void try_load(const boot_module_t* mod);
-static EFI_STATUS probe_handle(EFI_HANDLE h);
-
EFI_SYSTEM_TABLE *systab;
EFI_BOOT_SERVICES *bs;
static EFI_HANDLE *image;
@@ -86,57 +82,489 @@ Free(void *buf, const char *file __unused, int line __unused)
}
/*
- * This function only returns if it fails to load the kernel. If it
- * succeeds, it simply boots the kernel.
+ * nodes_match returns TRUE if the imgpath isn't NULL and the nodes match,
+ * FALSE otherwise.
*/
-void
-try_load(const boot_module_t *mod)
+static BOOLEAN
+nodes_match(EFI_DEVICE_PATH *imgpath, EFI_DEVICE_PATH *devpath)
+{
+ int len;
+
+ if (imgpath == NULL || imgpath->Type != devpath->Type ||
+ imgpath->SubType != devpath->SubType)
+ return (FALSE);
+
+ len = DevicePathNodeLength(imgpath);
+ if (len != DevicePathNodeLength(devpath))
+ return (FALSE);
+
+ return (memcmp(imgpath, devpath, (size_t)len) == 0);
+}
+
+/*
+ * device_paths_match returns TRUE if the imgpath isn't NULL and all nodes
+ * in imgpath and devpath match up to their respect occurances of a media
+ * node, FALSE otherwise.
+ */
+static BOOLEAN
+device_paths_match(EFI_DEVICE_PATH *imgpath, EFI_DEVICE_PATH *devpath)
+{
+
+ if (imgpath == NULL)
+ return (FALSE);
+
+ while (!IsDevicePathEnd(imgpath) && !IsDevicePathEnd(devpath)) {
+ if (IsDevicePathType(imgpath, MEDIA_DEVICE_PATH) &&
+ IsDevicePathType(devpath, MEDIA_DEVICE_PATH))
+ return (TRUE);
+
+ if (!nodes_match(imgpath, devpath))
+ return (FALSE);
+
+ imgpath = NextDevicePathNode(imgpath);
+ devpath = NextDevicePathNode(devpath);
+ }
+
+ return (FALSE);
+}
+
+/*
+ * devpath_last returns the last non-path end node in devpath.
+ */
+static EFI_DEVICE_PATH *
+devpath_last(EFI_DEVICE_PATH *devpath)
+{
+
+ while (!IsDevicePathEnd(NextDevicePathNode(devpath)))
+ devpath = NextDevicePathNode(devpath);
+
+ return (devpath);
+}
+
+/*
+ * devpath_node_str is a basic output method for a devpath node which
+ * only understands a subset of the available sub types.
+ *
+ * If we switch to UEFI 2.x then we should update it to use:
+ * EFI_DEVICE_PATH_TO_TEXT_PROTOCOL.
+ */
+static int
+devpath_node_str(char *buf, size_t size, EFI_DEVICE_PATH *devpath)
+{
+
+ switch (devpath->Type) {
+ case MESSAGING_DEVICE_PATH:
+ switch (devpath->SubType) {
+ case MSG_ATAPI_DP: {
+ ATAPI_DEVICE_PATH *atapi;
+
+ atapi = (ATAPI_DEVICE_PATH *)(void *)devpath;
+ return snprintf(buf, size, "ata(%s,%s,0x%x)",
+ (atapi->PrimarySecondary == 1) ? "Sec" : "Pri",
+ (atapi->SlaveMaster == 1) ? "Slave" : "Master",
+ atapi->Lun);
+ }
+ case MSG_USB_DP: {
+ USB_DEVICE_PATH *usb;
+
+ usb = (USB_DEVICE_PATH *)devpath;
+ return snprintf(buf, size, "usb(0x%02x,0x%02x)",
+ usb->ParentPortNumber, usb->InterfaceNumber);
+ }
+ case MSG_SCSI_DP: {
+ SCSI_DEVICE_PATH *scsi;
+
+ scsi = (SCSI_DEVICE_PATH *)(void *)devpath;
+ return snprintf(buf, size, "scsi(0x%02x,0x%02x)",
+ scsi->Pun, scsi->Lun);
+ }
+ case MSG_SATA_DP: {
+ SATA_DEVICE_PATH *sata;
+
+ sata = (SATA_DEVICE_PATH *)(void *)devpath;
+ return snprintf(buf, size, "sata(0x%x,0x%x,0x%x)",
+ sata->HBAPortNumber, sata->PortMultiplierPortNumber,
+ sata->Lun);
+ }
+ default:
+ return snprintf(buf, size, "msg(0x%02x)",
+ devpath->SubType);
+ }
+ break;
+ case HARDWARE_DEVICE_PATH:
+ switch (devpath->SubType) {
+ case HW_PCI_DP: {
+ PCI_DEVICE_PATH *pci;
+
+ pci = (PCI_DEVICE_PATH *)devpath;
+ return snprintf(buf, size, "pci(0x%02x,0x%02x)",
+ pci->Device, pci->Function);
+ }
+ default:
+ return snprintf(buf, size, "hw(0x%02x)",
+ devpath->SubType);
+ }
+ break;
+ case ACPI_DEVICE_PATH: {
+ ACPI_HID_DEVICE_PATH *acpi;
+
+ acpi = (ACPI_HID_DEVICE_PATH *)(void *)devpath;
+ if ((acpi->HID & PNP_EISA_ID_MASK) == PNP_EISA_ID_CONST) {
+ switch (EISA_ID_TO_NUM(acpi->HID)) {
+ case 0x0a03:
+ return snprintf(buf, size, "pciroot(0x%x)",
+ acpi->UID);
+ case 0x0a08:
+ return snprintf(buf, size, "pcieroot(0x%x)",
+ acpi->UID);
+ case 0x0604:
+ return snprintf(buf, size, "floppy(0x%x)",
+ acpi->UID);
+ case 0x0301:
+ return snprintf(buf, size, "keyboard(0x%x)",
+ acpi->UID);
+ case 0x0501:
+ return snprintf(buf, size, "serial(0x%x)",
+ acpi->UID);
+ case 0x0401:
+ return snprintf(buf, size, "parallelport(0x%x)",
+ acpi->UID);
+ default:
+ return snprintf(buf, size, "acpi(pnp%04x,0x%x)",
+ EISA_ID_TO_NUM(acpi->HID), acpi->UID);
+ }
+ }
+
+ return snprintf(buf, size, "acpi(0x%08x,0x%x)", acpi->HID,
+ acpi->UID);
+ }
+ case MEDIA_DEVICE_PATH:
+ switch (devpath->SubType) {
+ case MEDIA_CDROM_DP: {
+ CDROM_DEVICE_PATH *cdrom;
+
+ cdrom = (CDROM_DEVICE_PATH *)(void *)devpath;
+ return snprintf(buf, size, "cdrom(%x)",
+ cdrom->BootEntry);
+ }
+ case MEDIA_HARDDRIVE_DP: {
+ HARDDRIVE_DEVICE_PATH *hd;
+
+ hd = (HARDDRIVE_DEVICE_PATH *)(void *)devpath;
+ return snprintf(buf, size, "hd(%x)",
+ hd->PartitionNumber);
+ }
+ default:
+ return snprintf(buf, size, "media(0x%02x)",
+ devpath->SubType);
+ }
+ case BBS_DEVICE_PATH:
+ return snprintf(buf, size, "bbs(0x%02x)", devpath->SubType);
+ case END_DEVICE_PATH_TYPE:
+ return (0);
+ }
+
+ return snprintf(buf, size, "type(0x%02x, 0x%02x)", devpath->Type,
+ devpath->SubType);
+}
+
+/*
+ * devpath_strlcat appends a text description of devpath to buf but not more
+ * than size - 1 characters followed by NUL-terminator.
+ */
+int
+devpath_strlcat(char *buf, size_t size, EFI_DEVICE_PATH *devpath)
+{
+ size_t len, used;
+ const char *sep;
+
+ sep = "";
+ used = 0;
+ while (!IsDevicePathEnd(devpath)) {
+ len = snprintf(buf, size - used, "%s", sep);
+ used += len;
+ if (used > size)
+ return (used);
+ buf += len;
+
+ len = devpath_node_str(buf, size - used, devpath);
+ used += len;
+ if (used > size)
+ return (used);
+ buf += len;
+ devpath = NextDevicePathNode(devpath);
+ sep = ":";
+ }
+
+ return (used);
+}
+
+/*
+ * devpath_str is convenience method which returns the text description of
+ * devpath using a static buffer, so it isn't thread safe!
+ */
+char *
+devpath_str(EFI_DEVICE_PATH *devpath)
{
- size_t bufsize;
- void *buf;
+ static char buf[256];
+
+ devpath_strlcat(buf, sizeof(buf), devpath);
+
+ return buf;
+}
+
+/*
+ * load_loader attempts to load the loader image data.
+ *
+ * It tries each module and its respective devices, identified by mod->probe,
+ * in order until a successful load occurs at which point it returns EFI_SUCCESS
+ * and EFI_NOT_FOUND otherwise.
+ *
+ * Only devices which have preferred matching the preferred parameter are tried.
+ */
+static EFI_STATUS
+load_loader(const boot_module_t **modp, dev_info_t **devinfop, void **bufp,
+ size_t *bufsize, BOOLEAN preferred)
+{
+ UINTN i;
dev_info_t *dev;
+ const boot_module_t *mod;
+
+ for (i = 0; i < NUM_BOOT_MODULES; i++) {
+ if (boot_modules[i] == NULL)
+ continue;
+ mod = boot_modules[i];
+ for (dev = mod->devices(); dev != NULL; dev = dev->next) {
+ if (dev->preferred != preferred)
+ continue;
+
+ if (mod->load(PATH_LOADER_EFI, dev, bufp, bufsize) ==
+ EFI_SUCCESS) {
+ *devinfop = dev;
+ *modp = mod;
+ return (EFI_SUCCESS);
+ }
+ }
+ }
+
+ return (EFI_NOT_FOUND);
+}
+
+/*
+ * try_boot only returns if it fails to load the loader. If it succeeds
+ * it simply boots, otherwise it returns the status of last EFI call.
+ */
+static EFI_STATUS
+try_boot()
+{
+ size_t bufsize, loadersize, cmdsize;
+ void *buf, *loaderbuf;
+ char *cmd;
+ dev_info_t *dev;
+ const boot_module_t *mod;
EFI_HANDLE loaderhandle;
EFI_LOADED_IMAGE *loaded_image;
EFI_STATUS status;
- status = mod->load(_PATH_LOADER, &dev, &buf, &bufsize);
- if (status == EFI_NOT_FOUND)
- return;
-
+ status = load_loader(&mod, &dev, &loaderbuf, &loadersize, TRUE);
if (status != EFI_SUCCESS) {
- printf("%s failed to load %s (%lu)\n", mod->name, _PATH_LOADER,
- EFI_ERROR_CODE(status));
- return;
+ status = load_loader(&mod, &dev, &loaderbuf, &loadersize,
+ FALSE);
+ if (status != EFI_SUCCESS) {
+ printf("Failed to load '%s'\n", PATH_LOADER_EFI);
+ return (status);
+ }
}
- if ((status = bs->LoadImage(TRUE, image, dev->devpath, buf, bufsize,
- &loaderhandle)) != EFI_SUCCESS) {
+ /*
+ * Read in and parse the command line from /boot.config or /boot/config,
+ * if present. We'll pass it the next stage via a simple ASCII
+ * string. loader.efi has a hack for ASCII strings, so we'll use that to
+ * keep the size down here. We only try to read the alternate file if
+ * we get EFI_NOT_FOUND because all other errors mean that the boot_module
+ * had troubles with the filesystem. We could return early, but we'll let
+ * loading the actual kernel sort all that out. Since these files are
+ * optional, we don't report errors in trying to read them.
+ */
+ cmd = NULL;
+ cmdsize = 0;
+ status = mod->load(PATH_DOTCONFIG, dev, &buf, &bufsize);
+ if (status == EFI_NOT_FOUND)
+ status = mod->load(PATH_CONFIG, dev, &buf, &bufsize);
+ if (status == EFI_SUCCESS) {
+ cmdsize = bufsize + 1;
+ cmd = malloc(cmdsize);
+ if (cmd == NULL)
+ goto errout;
+ memcpy(cmd, buf, bufsize);
+ cmd[bufsize] = '\0';
+ free(buf);
+ buf = NULL;
+ }
+
+ if ((status = bs->LoadImage(TRUE, image, devpath_last(dev->devpath),
+ loaderbuf, loadersize, &loaderhandle)) != EFI_SUCCESS) {
printf("Failed to load image provided by %s, size: %zu, (%lu)\n",
mod->name, bufsize, EFI_ERROR_CODE(status));
- return;
+ goto errout;
}
if ((status = bs->HandleProtocol(loaderhandle, &LoadedImageGUID,
(VOID**)&loaded_image)) != EFI_SUCCESS) {
printf("Failed to query LoadedImage provided by %s (%lu)\n",
mod->name, EFI_ERROR_CODE(status));
- return;
+ goto errout;
}
+ if (cmd != NULL)
+ printf(" command args: %s\n", cmd);
+
loaded_image->DeviceHandle = dev->devhandle;
+ loaded_image->LoadOptionsSize = cmdsize;
+ loaded_image->LoadOptions = cmd;
+
+ DPRINTF("Starting '%s' in 5 seconds...", PATH_LOADER_EFI);
+ DSTALL(1000000);
+ DPRINTF(".");
+ DSTALL(1000000);
+ DPRINTF(".");
+ DSTALL(1000000);
+ DPRINTF(".");
+ DSTALL(1000000);
+ DPRINTF(".");
+ DSTALL(1000000);
+ DPRINTF(".\n");
if ((status = bs->StartImage(loaderhandle, NULL, NULL)) !=
EFI_SUCCESS) {
printf("Failed to start image provided by %s (%lu)\n",
mod->name, EFI_ERROR_CODE(status));
- return;
+ loaded_image->LoadOptionsSize = 0;
+ loaded_image->LoadOptions = NULL;
}
+
+errout:
+ if (cmd != NULL)
+ free(cmd);
+ if (buf != NULL)
+ free(buf);
+ if (loaderbuf != NULL)
+ free(loaderbuf);
+
+ return (status);
+}
+
+/*
+ * probe_handle determines if the passed handle represents a logical partition
+ * if it does it uses each module in order to probe it and if successful it
+ * returns EFI_SUCCESS.
+ */
+static EFI_STATUS
+probe_handle(EFI_HANDLE h, EFI_DEVICE_PATH *imgpath, BOOLEAN *preferred)
+{
+ dev_info_t *devinfo;
+ EFI_BLOCK_IO *blkio;
+ EFI_DEVICE_PATH *devpath;
+ EFI_STATUS status;
+ UINTN i;
+
+ /* Figure out if we're dealing with an actual partition. */
+ status = bs->HandleProtocol(h, &DevicePathGUID, (void **)&devpath);
+ if (status == EFI_UNSUPPORTED)
+ return (status);
+
+ if (status != EFI_SUCCESS) {
+ DPRINTF("\nFailed to query DevicePath (%lu)\n",
+ EFI_ERROR_CODE(status));
+ return (status);
+ }
+
+ DPRINTF("probing: %s\n", devpath_str(devpath));
+
+ status = bs->HandleProtocol(h, &BlockIoProtocolGUID, (void **)&blkio);
+ if (status == EFI_UNSUPPORTED)
+ return (status);
+
+ if (status != EFI_SUCCESS) {
+ DPRINTF("\nFailed to query BlockIoProtocol (%lu)\n",
+ EFI_ERROR_CODE(status));
+ return (status);
+ }
+
+ if (!blkio->Media->LogicalPartition)
+ return (EFI_UNSUPPORTED);
+
+ *preferred = device_paths_match(imgpath, devpath);
+
+ /* Run through each module, see if it can load this partition */
+ for (i = 0; i < NUM_BOOT_MODULES; i++) {
+ if (boot_modules[i] == NULL)
+ continue;
+
+ if ((status = bs->AllocatePool(EfiLoaderData,
+ sizeof(*devinfo), (void **)&devinfo)) !=
+ EFI_SUCCESS) {
+ DPRINTF("\nFailed to allocate devinfo (%lu)\n",
+ EFI_ERROR_CODE(status));
+ continue;
+ }
+ devinfo->dev = blkio;
+ devinfo->devpath = devpath;
+ devinfo->devhandle = h;
+ devinfo->devdata = NULL;
+ devinfo->preferred = *preferred;
+ devinfo->next = NULL;
+
+ status = boot_modules[i]->probe(devinfo);
+ if (status == EFI_SUCCESS)
+ return (EFI_SUCCESS);
+ (void)bs->FreePool(devinfo);
+ }
+
+ return (EFI_UNSUPPORTED);
+}
+
+/*
+ * probe_handle_status calls probe_handle and outputs the returned status
+ * of the call.
+ */
+static void
+probe_handle_status(EFI_HANDLE h, EFI_DEVICE_PATH *imgpath)
+{
+ EFI_STATUS status;
+ BOOLEAN preferred;
+
+ status = probe_handle(h, imgpath, &preferred);
+
+ DPRINTF("probe: ");
+ switch (status) {
+ case EFI_UNSUPPORTED:
+ printf(".");
+ DPRINTF(" not supported\n");
+ break;
+ case EFI_SUCCESS:
+ if (preferred) {
+ printf("%c", '*');
+ DPRINTF(" supported (preferred)\n");
+ } else {
+ printf("%c", '+');
+ DPRINTF(" supported\n");
+ }
+ break;
+ default:
+ printf("x");
+ DPRINTF(" error (%lu)\n", EFI_ERROR_CODE(status));
+ break;
+ }
+ DSTALL(500000);
}
EFI_STATUS
efi_main(EFI_HANDLE Ximage, EFI_SYSTEM_TABLE *Xsystab)
{
EFI_HANDLE *handles;
+ EFI_LOADED_IMAGE *img;
+ EFI_DEVICE_PATH *imgpath;
EFI_STATUS status;
EFI_CONSOLE_CONTROL_PROTOCOL *ConsoleControl = NULL;
SIMPLE_TEXT_OUTPUT_INTERFACE *conout = NULL;
@@ -174,7 +602,7 @@ efi_main(EFI_HANDLE Ximage, EFI_SYSTEM_TABLE *Xsystab)
conout->ClearScreen(conout);
printf("\n>> FreeBSD EFI boot block\n");
- printf(" Loader path: %s\n\n", _PATH_LOADER);
+ printf(" Loader path: %s\n\n", PATH_LOADER_EFI);
printf(" Initializing modules:");
for (i = 0; i < NUM_BOOT_MODULES; i++) {
if (boot_modules[i] == NULL)
@@ -219,20 +647,22 @@ efi_main(EFI_HANDLE Ximage, EFI_SYSTEM_TABLE *Xsystab)
/* Scan all partitions, probing with all modules. */
nhandles = hsize / sizeof(*handles);
printf(" Probing %zu block devices...", nhandles);
- for (i = 0; i < nhandles; i++) {
- status = probe_handle(handles[i]);
- switch (status) {
- case EFI_UNSUPPORTED:
- printf(".");
- break;
- case EFI_SUCCESS:
- printf("+");
- break;
- default:
- printf("x");
- break;
- }
+ DPRINTF("\n");
+
+ /* Determine the devpath of our image so we can prefer it. */
+ status = bs->HandleProtocol(image, &LoadedImageGUID, (VOID**)&img);
+ imgpath = NULL;
+ if (status == EFI_SUCCESS) {
+ status = bs->HandleProtocol(img->DeviceHandle, &DevicePathGUID,
+ (void **)&imgpath);
+ if (status != EFI_SUCCESS)
+ DPRINTF("Failed to get image DevicePath (%lu)\n",
+ EFI_ERROR_CODE(status));
+ DPRINTF("boot1 imagepath: %s\n", devpath_str(imgpath));
}
+
+ for (i = 0; i < nhandles; i++)
+ probe_handle_status(handles[i], imgpath);
printf(" done\n");
/* Status summary. */
@@ -243,78 +673,15 @@ efi_main(EFI_HANDLE Ximage, EFI_SYSTEM_TABLE *Xsystab)
}
}
- /* Select a partition to boot by trying each module in order. */
- for (i = 0; i < NUM_BOOT_MODULES; i++)
- if (boot_modules[i] != NULL)
- try_load(boot_modules[i]);
+ try_boot();
/* If we get here, we're out of luck... */
panic("No bootable partitions found!");
}
-static EFI_STATUS
-probe_handle(EFI_HANDLE h)
-{
- dev_info_t *devinfo;
- EFI_BLOCK_IO *blkio;
- EFI_DEVICE_PATH *devpath;
- EFI_STATUS status;
- UINTN i;
-
- /* Figure out if we're dealing with an actual partition. */
- status = bs->HandleProtocol(h, &DevicePathGUID, (void **)&devpath);
- if (status == EFI_UNSUPPORTED)
- return (status);
-
- if (status != EFI_SUCCESS) {
- DPRINTF("\nFailed to query DevicePath (%lu)\n",
- EFI_ERROR_CODE(status));
- return (status);
- }
-
- while (!IsDevicePathEnd(NextDevicePathNode(devpath)))
- devpath = NextDevicePathNode(devpath);
-
- status = bs->HandleProtocol(h, &BlockIoProtocolGUID, (void **)&blkio);
- if (status == EFI_UNSUPPORTED)
- return (status);
-
- if (status != EFI_SUCCESS) {
- DPRINTF("\nFailed to query BlockIoProtocol (%lu)\n",
- EFI_ERROR_CODE(status));
- return (status);
- }
-
- if (!blkio->Media->LogicalPartition)
- return (EFI_UNSUPPORTED);
-
- /* Run through each module, see if it can load this partition */
- for (i = 0; i < NUM_BOOT_MODULES; i++) {
- if (boot_modules[i] == NULL)
- continue;
-
- if ((status = bs->AllocatePool(EfiLoaderData,
- sizeof(*devinfo), (void **)&devinfo)) !=
- EFI_SUCCESS) {
- DPRINTF("\nFailed to allocate devinfo (%lu)\n",
- EFI_ERROR_CODE(status));
- continue;
- }
- devinfo->dev = blkio;
- devinfo->devpath = devpath;
- devinfo->devhandle = h;
- devinfo->devdata = NULL;
- devinfo->next = NULL;
-
- status = boot_modules[i]->probe(devinfo);
- if (status == EFI_SUCCESS)
- return (EFI_SUCCESS);
- (void)bs->FreePool(devinfo);
- }
-
- return (EFI_UNSUPPORTED);
-}
-
+/*
+ * add_device adds a device to the passed devinfo list.
+ */
void
add_device(dev_info_t **devinfop, dev_info_t *devinfo)
{
diff --git a/sys/boot/efi/boot1/boot_module.h b/sys/boot/efi/boot1/boot_module.h
index 2c158f6..296d5a6 100644
--- a/sys/boot/efi/boot1/boot_module.h
+++ b/sys/boot/efi/boot1/boot_module.h
@@ -36,9 +36,11 @@
#include <eficonsctl.h>
#ifdef EFI_DEBUG
-#define DPRINTF(fmt, ...) printf(fmt, __VA_ARGS__)
+#define DPRINTF(fmt, args...) printf(fmt, ##args)
+#define DSTALL(d) bs->Stall(d)
#else
#define DPRINTF(fmt, ...) {}
+#define DSTALL(d) {}
#endif
/* EFI device info */
@@ -48,6 +50,7 @@ typedef struct dev_info
EFI_DEVICE_PATH *devpath;
EFI_HANDLE *devhandle;
void *devdata;
+ BOOLEAN preferred;
struct dev_info *next;
} dev_info_t;
@@ -75,19 +78,21 @@ typedef struct boot_module_t
/*
* load should select the best out of a set of devices that probe
- * indicated were loadable and load it.
+ * indicated were loadable and load the specified file.
*
* Return codes:
* EFI_SUCCESS = The module can handle the device.
* EFI_NOT_FOUND = The module can not handle the device.
* Other = The module encountered an error.
*/
- EFI_STATUS (*load)(const char *loader_path, dev_info_t **devinfo,
+ EFI_STATUS (*load)(const char *filepath, dev_info_t *devinfo,
void **buf, size_t *bufsize);
/* status outputs information about the probed devices. */
void (*status)();
+ /* valid devices as found by probe. */
+ dev_info_t *(*devices)();
} boot_module_t;
/* Standard boot modules. */
@@ -107,4 +112,6 @@ extern int vsnprintf(char *str, size_t sz, const char *fmt, va_list ap);
extern EFI_SYSTEM_TABLE *systab;
extern EFI_BOOT_SERVICES *bs;
+extern int devpath_strlcat(char *buf, size_t size, EFI_DEVICE_PATH *devpath);
+extern char *devpath_str(EFI_DEVICE_PATH *devpath);
#endif
diff --git a/sys/boot/efi/boot1/ufs_module.c b/sys/boot/efi/boot1/ufs_module.c
index 07c7152..63087ea 100644
--- a/sys/boot/efi/boot1/ufs_module.c
+++ b/sys/boot/efi/boot1/ufs_module.c
@@ -93,7 +93,7 @@ probe(dev_info_t* dev)
}
static EFI_STATUS
-try_load(dev_info_t *dev, const char *loader_path, void **bufp, size_t *bufsize)
+load(const char *filepath, dev_info_t *dev, void **bufp, size_t *bufsize)
{
ufs_ino_t ino;
EFI_STATUS status;
@@ -101,59 +101,46 @@ try_load(dev_info_t *dev, const char *loader_path, void **bufp, size_t *bufsize)
ssize_t read;
void *buf;
- if (init_dev(dev) < 0)
+ DPRINTF("Loading '%s' from %s\n", filepath, devpath_str(dev->devpath));
+
+ if (init_dev(dev) < 0) {
+ DPRINTF("Failed to init device\n");
return (EFI_UNSUPPORTED);
+ }
- if ((ino = lookup(loader_path)) == 0)
+ if ((ino = lookup(filepath)) == 0) {
+ DPRINTF("Failed to lookup '%s' (file not found?)\n", filepath);
return (EFI_NOT_FOUND);
+ }
if (fsread_size(ino, NULL, 0, &size) < 0 || size <= 0) {
- printf("Failed to read size of '%s' ino: %d\n", loader_path,
- ino);
+ printf("Failed to read size of '%s' ino: %d\n", filepath, ino);
return (EFI_INVALID_PARAMETER);
}
if ((status = bs->AllocatePool(EfiLoaderData, size, &buf)) !=
EFI_SUCCESS) {
- printf("Failed to allocate read buffer (%lu)\n",
- EFI_ERROR_CODE(status));
+ printf("Failed to allocate read buffer %zu for '%s' (%lu)\n",
+ size, filepath, EFI_ERROR_CODE(status));
return (status);
}
read = fsread(ino, buf, size);
if ((size_t)read != size) {
- printf("Failed to read '%s' (%zd != %zu)\n", loader_path, read,
+ printf("Failed to read '%s' (%zd != %zu)\n", filepath, read,
size);
(void)bs->FreePool(buf);
return (EFI_INVALID_PARAMETER);
}
+ DPRINTF("Load complete\n");
+
*bufp = buf;
*bufsize = size;
return (EFI_SUCCESS);
}
-static EFI_STATUS
-load(const char *loader_path, dev_info_t **devinfop, void **buf,
- size_t *bufsize)
-{
- dev_info_t *dev;
- EFI_STATUS status;
-
- for (dev = devices; dev != NULL; dev = dev->next) {
- status = try_load(dev, loader_path, buf, bufsize);
- if (status == EFI_SUCCESS) {
- *devinfop = dev;
- return (EFI_SUCCESS);
- } else if (status != EFI_NOT_FOUND) {
- return (status);
- }
- }
-
- return (EFI_NOT_FOUND);
-}
-
static void
status()
{
@@ -176,10 +163,18 @@ status()
}
}
+static dev_info_t *
+_devices()
+{
+
+ return (devices);
+}
+
const boot_module_t ufs_module =
{
.name = "UFS",
.probe = probe,
.load = load,
- .status = status
+ .status = status,
+ .devices = _devices
};
diff --git a/sys/boot/efi/boot1/zfs_module.c b/sys/boot/efi/boot1/zfs_module.c
index 96eec33..925f0b2 100644
--- a/sys/boot/efi/boot1/zfs_module.c
+++ b/sys/boot/efi/boot1/zfs_module.c
@@ -91,7 +91,7 @@ probe(dev_info_t *dev)
}
static EFI_STATUS
-try_load(dev_info_t *devinfo, const char *loader_path, void **bufp, size_t *bufsize)
+load(const char *filepath, dev_info_t *devinfo, void **bufp, size_t *bufsize)
{
spa_t *spa;
struct zfsmount zfsmount;
@@ -102,32 +102,41 @@ try_load(dev_info_t *devinfo, const char *loader_path, void **bufp, size_t *bufs
EFI_STATUS status;
spa = devinfo->devdata;
- if (zfs_spa_init(spa) != 0) {
- /* Init failed, don't report this loudly. */
+
+ DPRINTF("load: '%s' spa: '%s', devpath: %s\n", filepath, spa->spa_name,
+ devpath_str(devinfo->devpath));
+
+ if ((err = zfs_spa_init(spa)) != 0) {
+ DPRINTF("Failed to load pool '%s' (%d)\n", spa->spa_name, err);
return (EFI_NOT_FOUND);
}
- if (zfs_mount(spa, 0, &zfsmount) != 0) {
- /* Mount failed, don't report this loudly. */
+ if ((err = zfs_mount(spa, 0, &zfsmount)) != 0) {
+ DPRINTF("Failed to mount pool '%s' (%d)\n", spa->spa_name, err);
return (EFI_NOT_FOUND);
}
- if ((err = zfs_lookup(&zfsmount, loader_path, &dn)) != 0) {
- printf("Failed to lookup %s on pool %s (%d)\n", loader_path,
+ if ((err = zfs_lookup(&zfsmount, filepath, &dn)) != 0) {
+ if (err == ENOENT) {
+ DPRINTF("Failed to find '%s' on pool '%s' (%d)\n",
+ filepath, spa->spa_name, err);
+ return (EFI_NOT_FOUND);
+ }
+ printf("Failed to lookup '%s' on pool '%s' (%d)\n", filepath,
spa->spa_name, err);
return (EFI_INVALID_PARAMETER);
}
if ((err = zfs_dnode_stat(spa, &dn, &st)) != 0) {
- printf("Failed to lookup %s on pool %s (%d)\n", loader_path,
+ printf("Failed to stat '%s' on pool '%s' (%d)\n", filepath,
spa->spa_name, err);
return (EFI_INVALID_PARAMETER);
}
if ((status = bs->AllocatePool(EfiLoaderData, (UINTN)st.st_size, &buf))
!= EFI_SUCCESS) {
- printf("Failed to allocate load buffer for pool %s (%lu)\n",
- spa->spa_name, EFI_ERROR_CODE(status));
+ printf("Failed to allocate load buffer %zd for pool '%s' for '%s' "
+ "(%lu)\n", st.st_size, spa->spa_name, filepath, EFI_ERROR_CODE(status));
return (EFI_INVALID_PARAMETER);
}
@@ -144,26 +153,6 @@ try_load(dev_info_t *devinfo, const char *loader_path, void **bufp, size_t *bufs
return (EFI_SUCCESS);
}
-static EFI_STATUS
-load(const char *loader_path, dev_info_t **devinfop, void **bufp,
- size_t *bufsize)
-{
- dev_info_t *devinfo;
- EFI_STATUS status;
-
- for (devinfo = devices; devinfo != NULL; devinfo = devinfo->next) {
- status = try_load(devinfo, loader_path, bufp, bufsize);
- if (status == EFI_SUCCESS) {
- *devinfop = devinfo;
- return (EFI_SUCCESS);
- } else if (status != EFI_NOT_FOUND) {
- return (status);
- }
- }
-
- return (EFI_NOT_FOUND);
-}
-
static void
status()
{
@@ -189,11 +178,19 @@ init()
zfs_init();
}
+static dev_info_t *
+_devices()
+{
+
+ return (devices);
+}
+
const boot_module_t zfs_module =
{
.name = "ZFS",
.init = init,
.probe = probe,
.load = load,
- .status = status
+ .status = status,
+ .devices = _devices
};
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