New package: efibootmgr-0.5.4.

This commit is contained in:
Juan RP 2012-07-03 13:42:09 +02:00
parent 958a98c7bb
commit a6d0d074bd
4 changed files with 230 additions and 0 deletions

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@ -0,0 +1,2 @@
libpci.so.3
libc.so.6

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diff --git a/src/efibootmgr/efibootmgr.c b/src/efibootmgr/efibootmgr.c
index 5db0d9e..199af39 100644
--- src/efibootmgr/efibootmgr.c
+++ src/efibootmgr/efibootmgr.c
@@ -328,6 +328,7 @@ add_to_boot_order(uint16_t num)
/* Now new_data has what we need */
memcpy(&(boot_order.Data), new_data, new_data_size);
boot_order.DataSize = new_data_size;
+ free(new_data);
return create_or_edit_variable(&boot_order);
}
diff --git a/src/include/disk.h b/src/include/disk.h
index eb93d10..8aa37d7 100644
--- src/include/disk.h
+++ src/include/disk.h
@@ -65,6 +65,9 @@ enum _interface_type {interface_type_unknown,
ata, atapi, scsi, usb,
i1394, fibre, i2o, md};
+
+unsigned int lcm(unsigned int x, unsigned int y);
+
int disk_get_pci(int fd,
unsigned char *bus,
unsigned char *device,
diff --git a/src/lib/disk.c b/src/lib/disk.c
index 883864f..8ad590b 100644
--- src/lib/disk.c
+++ src/lib/disk.c
@@ -55,7 +55,7 @@ disk_info_from_fd(int fd,
return 1;
}
major = buf.st_dev >> 8;
- minor = buf.st_dev && 0xFF;
+ minor = buf.st_dev & 0xFF;
/* IDE disks can have up to 64 partitions, or 6 bits worth,
* and have one bit for the disk number.
@@ -420,6 +420,27 @@ get_sector_size(int filedes)
return sector_size;
}
+/************************************************************
+ * lcm
+ * Requires:
+ * - numbers of which to find the lowest common multiple
+ * Modifies: nothing
+ * Returns:
+ * lowest common multiple of x and y
+ ************************************************************/
+unsigned int
+lcm(unsigned int x, unsigned int y)
+{
+ unsigned int m = x, n = y, o;
+
+ while ((o = m % n)) {
+ m = n;
+ n = o;
+ }
+
+ return (x / n) * y;
+}
+
/**
* disk_get_partition_info()
* @fd - open file descriptor to disk
@@ -442,26 +463,27 @@ disk_get_partition_info (int fd,
uint8_t *mbr_type, uint8_t *signature_type)
{
legacy_mbr *mbr;
- void *mbr_unaligned;
+ void *mbr_sector;
+ size_t mbr_size;
off_t offset;
int this_bytes_read = 0;
int gpt_invalid=0, mbr_invalid=0;
int rc=0;
int sector_size = get_sector_size(fd);
- if (sizeof(*mbr) != sector_size)
- return 1;
- mbr_unaligned = malloc(sizeof(*mbr)+sector_size-1);
- mbr = (legacy_mbr *)
- (((unsigned long)mbr_unaligned + sector_size - 1) &
- ~(unsigned long)(sector_size-1));
- memset(mbr, 0, sizeof(*mbr));
+
+ mbr_size = lcm(sizeof(*mbr), sector_size);
+ if ((rc = posix_memalign(&mbr_sector, sector_size, mbr_size)) != 0)
+ goto error;
+ memset(mbr_sector, '\0', mbr_size);
+
offset = lseek(fd, 0, SEEK_SET);
- this_bytes_read = read(fd, mbr, sizeof(*mbr));
+ this_bytes_read = read(fd, mbr_sector, mbr_size);
if (this_bytes_read < sizeof(*mbr)) {
rc=1;
goto error_free_mbr;
}
+ mbr = (legacy_mbr *)mbr_sector;
gpt_invalid = gpt_disk_get_partition_info(fd, num,
start, size,
signature,
@@ -479,7 +501,8 @@ disk_get_partition_info (int fd,
}
}
error_free_mbr:
- free(mbr_unaligned);
+ free(mbr_sector);
+ error:
return rc;
}
diff --git a/src/lib/gpt.c b/src/lib/gpt.c
index d90ddaf..83e7a94 100644
--- src/lib/gpt.c
+++ src/lib/gpt.c
@@ -215,26 +215,24 @@ read_lastoddsector(int fd, uint64_t lba, void *buffer, size_t count)
static ssize_t
read_lba(int fd, uint64_t lba, void *buffer, size_t bytes)
{
- int sector_size = get_sector_size(fd);
- off_t offset = lba * sector_size;
+ int sector_size = get_sector_size(fd);
+ off_t offset = lba * sector_size;
ssize_t bytesread;
- void *aligned;
- void *unaligned;
-
- if (bytes % sector_size)
- return EINVAL;
+ void *iobuf;
+ size_t iobuf_size;
+ int rc;
- unaligned = malloc(bytes+sector_size-1);
- aligned = (void *)
- (((unsigned long)unaligned + sector_size - 1) &
- ~(unsigned long)(sector_size-1));
- memset(aligned, 0, bytes);
+ iobuf_size = lcm(bytes, sector_size);
+ rc = posix_memalign(&iobuf, sector_size, iobuf_size);
+ if (rc)
+ return rc;
+ memset(iobuf, 0, bytes);
- lseek(fd, offset, SEEK_SET);
- bytesread = read(fd, aligned, bytes);
- memcpy(buffer, aligned, bytesread);
- free(unaligned);
+ lseek(fd, offset, SEEK_SET);
+ bytesread = read(fd, iobuf, iobuf_size);
+ memcpy(buffer, iobuf, bytes);
+ free(iobuf);
/* Kludge. This is necessary to read/write the last
block of an odd-sized disk, until Linux 2.5.x kernel fixes.

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diff --git a/src/efibootmgr/efibootmgr.c b/src/efibootmgr/efibootmgr.c
index 199af39..3826e03 100644
--- src/efibootmgr/efibootmgr.c
+++ src/efibootmgr/efibootmgr.c
@@ -18,7 +18,7 @@
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- This must tie the EFI_DEVICE_PATH to /boot/efi/elilo.efi
+ This must tie the EFI_DEVICE_PATH to /boot/efi/EFI/void_grub/grubx64.efi
The EFI_DEVICE_PATH will look something like:
ACPI device path, length 12 bytes
Hardware Device Path, PCI, length 6 bytes
@@ -26,7 +26,7 @@
Media Device Path, Hard Drive, partition XX, length 30 bytes
Media Device Path, File Path, length ??
End of Hardware Device Path, length 4
- Arguments passed to elilo, as UCS-2 characters, length ??
+ Arguments passed to grub2, as UCS-2 characters, length ??
*/
@@ -780,8 +780,8 @@ usage()
printf("\t-g | --gpt force disk with invalid PMBR to be treated as GPT\n");
printf("\t-H | --acpi_hid XXXX set the ACPI HID (used with -i)\n");
printf("\t-i | --iface name create a netboot entry for the named interface\n");
- printf("\t-l | --loader name (defaults to \\elilo.efi)\n");
- printf("\t-L | --label label Boot manager display label (defaults to \"Linux\")\n");
+ printf("\t-l | --loader name (defaults to \\EFI\\void_grub\\grubx64.efi)\n");
+ printf("\t-L | --label label Boot manager display label (defaults to \"Void Linux (GRUB2)\")\n");
printf("\t-n | --bootnext XXXX set BootNext to XXXX (hex)\n");
printf("\t-N | --delete-bootnext delete BootNext\n");
printf("\t-o | --bootorder XXXX,YYYY,ZZZZ,... explicitly set BootOrder (hex)\n");
@@ -808,8 +808,8 @@ set_default_opts()
opts.active = -1; /* Don't set it */
opts.timeout = -1; /* Don't set it */
opts.edd10_devicenum = 0x80;
- opts.loader = "\\elilo.efi";
- opts.label = "Linux";
+ opts.loader = "\\EFI\\void_grub\\grubx64.efi";
+ opts.label = "Void Linux (GRUB2)";
opts.disk = "/dev/sda";
opts.iface = NULL;
opts.part = 1;

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# Template file for 'efibootmgr'
pkgname=efibootmgr
version=0.5.4
revision=1
makedepends="zlib-devel pciutils-devel"
short_desc="Tool to modify UEFI Firmware Boot Manager Variables"
maintainer="Juan RP <xtraeme@gmail.com>"
license="GPL-2"
homepage="http://linux.dell.com/efibootmgr/"
distfiles="http://linux.dell.com/efibootmgr/permalink/${pkgname}-${version}.tar.gz"
checksum=b562a47a4f5327494992f2ee6ae14a75c5aeb9b4a3a78a06749d5cd2917b8e71
long_desc="
This is efibootmgr, a Linux user-space application to modify the Intel
Extensible Firmware Interface (EFI) Boot Manager. This application
can create and destroy boot entries, change the boot order, change
the next running boot option, and more."
do_build() {
CFLAGS= make ${makejobs}
}
do_install() {
vinstall src/efibootmgr/efibootmgr 755 usr/sbin
vinstall src/man/man8/efibootmgr.8 644 usr/share/man/man8
}