Commit Graph
22 Commits
Author SHA1 Message Date
Eric Snowberg 5ceb55b7a0 ieee1275: NULL pointer dereference in grub_machine_get_bootlocation()
Read from NULL pointer canon in function grub_machine_get_bootlocation().
Function grub_ieee1275_canonicalise_devname() may return NULL.

Signed-off-by: Eric Snowberg <eric.snowberg@oracle.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
2018-03-26 15:03:36 +02:00
Eric Snowberg e2faabacff ieee1275: split up grub_machine_get_bootlocation
Split up some of the functionality in grub_machine_get_bootlocation into
grub_ieee1275_get_boot_dev.  This will allow for code reuse in a follow on
patch.

Signed-off-by: Eric Snowberg <eric.snowberg@oracle.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
2018-03-14 13:24:40 +01:00
Eric Snowberg 28b0d19061 mkimage: fix build regression in grub_mkimage_load_image
The grub_mkimage_load_image function (commit 7542af6, mkimage: refactor a bunch
of section data into a struct.) introduces a build regression on SPARC:

  cc1: warnings being treated as errors
  In file included from util/grub-mkimage32.c:23:
  util/grub-mkimagexx.c: In function 'grub_mkimage_load_image32':
  util/grub-mkimagexx.c:1968: error: missing initializer
  util/grub-mkimagexx.c:1968: error: (near initialization for 'smd.sections')
  make[2]: *** [util/grub_mkimage-grub-mkimage32.o] Error 1

Initialize the entire section_metadata structure.

Signed-off-by: Eric Snowberg <eric.snowberg@oracle.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
2018-03-07 22:05:48 +01:00
Eric Snowberg 599efeb622 sparc64: #blocks64 disk node method
Return the 64bit number of blocks of storage associated with the device or
instance. Where a "block" is a unit of storage consisting of the number of
bytes returned by the package's "block-size" method. If the size cannot be
determined, or if the number of blocks exceeds the range return -1.

Signed-off-by: Eric Snowberg <eric.snowberg@oracle.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
2018-03-05 15:26:36 +01:00
Eric Snowberg ab4c93cb4b sparc64: #blocks disk node method
Return the number of blocks of storage associated with the device or
instance. Where a "block" is a unit of storage consisting of the number
of bytes returned by the package's "block-size" method. If the size cannot
be determined, the #blocks method returns the maximum unsigned integer
(which, because of Open Firmware's assumption of two's complement arithmetic,
is equivalent to the signed number -1). If the number of blocks exceeds
the range of an unsigned number, return 0 to alert the caller to try
the #blocks64 command.

Signed-off-by: Eric Snowberg <eric.snowberg@oracle.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
2018-03-05 15:12:35 +01:00
Eric Snowberg ad6d8f5063 ieee1275: block-size deblocker support method
IEEE Std 1275-1994 Standard for Boot (Initialization Configuration)
Firmware: Core Requirements and Practices

3.8.3 deblocker support package

Any package that uses the "deblocker" support package must define
the following method, which the deblocker uses as a low-level
interface to the device

block-size ( -- block-len ) Return "granularity" for accesses to this
device.

Signed-off-by: Eric Snowberg <eric.snowberg@oracle.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
2018-03-05 15:12:35 +01:00
Eric Snowberg f02037afe3 ieee1275: set-address bus specific method
IEEE 1275-1994 Standard for Boot (Initialization Configuration)
Firmware: Core Requirements and Practices
E.3.2.2 Bus-specific methods for bus nodes

A package implementing the scsi-2 device type shall implement the
following bus-specific method:

 set-address ( unit# target# -- )
   Sets the SCSI target number (0x0..0xf) and unit number (0..7) to which
   subsequent commands apply.

This function is for devices with #address-cells == 2

Signed-off-by: Eric Snowberg <eric.snowberg@oracle.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
2018-03-05 15:08:19 +01:00
Eric Snowberg 820c64e4c0 ieee1275: encode-unit command for 4 addr cell devs
Convert physical address to text unit-string.

Convert phys.lo ... phys-high, the numerical representation, to unit-string,
the text string representation of a physical address within the address
space defined by this device node. The number of cells in the list
phys.lo ... phys.hi is determined by the value of the #address-cells property
of this node.

This function is for devices with #address-cells == 4

Signed-off-by: Eric Snowberg <eric.snowberg@oracle.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
2018-03-05 15:00:12 +01:00
Eric Snowberg 6003eb2fea ieee1275: decode-unit command for 4 addr cell devs
decode-unit ( addr len -- phys.lo ... phys.hi )

Convert text unit-string to physical address.

Convert unit-string, the text string representation, to phys.lo ... phys.hi,
the numerical representation of a physical address within the address space
defined by this device node. The number of cells in the list
phys.lo ... phys.hi is determined by the value of the #address-cells
property of this node.

This function is for devices with #address-cells == 4

Signed-off-by: Eric Snowberg <eric.snowberg@oracle.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
2018-03-05 15:00:09 +01:00
Eric Snowberg f35826423e sparc64: Limit nvme of_path_of_nvme to just SPARC
Limit NVMe of_path_of_nvme to just SPARC hardware for now.  It has been
found that non-Open Firmware hardware platforms can some how access
this function.

Signed-off-by: Eric Snowberg <eric.snowberg@oracle.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
2018-03-05 14:38:07 +01:00
Eric Snowberg 2391d57909 ieee1275: add nvme support within ofpath
Add NVMe support within ofpath.

The Open Firmware text representation for a NVMe device contains the
Namespace ID. An invalid namespace ID is one whose value is zero or whose
value is greater than the value reported by the Number of Namespaces (NN)
field in the Identify Controller data structure.  At the moment  only a
single Namespace is supported, therefore the value is currently hard coded
to one.

Signed-off-by: Eric Snowberg <eric.snowberg@oracle.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
2018-02-23 22:36:53 +01:00
Eric Snowberg d85c76b501 sparc64: fix OF path names for sun4v systems
Fix the Open Firmware (OF) path property for sun4v SPARC systems.
These platforms do not have a /sas/ within their path. Over time
different OF addressing schemes have been supported. There
is no generic addressing scheme that works across every HBA.

It looks that this functionality will not work if you try to cross-install
SPARC GRUB2 binary using e.g. x86 grub-install. By default it should work.
However, we will also have other issues here, like lack of access to OF
firmware/paths, which make such configs unusable anyway. So, let's leave
this patch as is for time being. If somebody cares then he/she should fix
the issue(s) at some point.

Signed-off-by: Eric Snowberg <eric.snowberg@oracle.com>
Signed-off-by: Daniel Kiper <daniel.kiper@oracle.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
2018-02-14 17:49:10 +01:00
Eric Snowberg 69e0a67bfb sparc64: Add blocklist GPT support for SPARC
Add block-list GPT support for SPARC.  The OBP "load" and "boot" methods
are partition aware and neither command can see the partition table. Also
neither command can address the entire physical disk. When the install
happens, grub generates the block-list entries based on the beginning of the
physical disk, not the beginning of the partition. This patch fixes the
block-list entries so they match what OBP expects during boot for a GPT disk.

T5 and above now supports GPT as well as VTOC.

This patch has been tested on T5-2 and newer SPARC systems.

Signed-off-by: Eric Snowberg <eric.snowberg@oracle.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
2018-02-14 17:42:56 +01:00
Eric Snowberg 2dc163bf69 ieee1275: Fix segfault in grub-ofpathname
Signed-off-by: Eric Snowberg <eric.snowberg@oracle.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
2017-12-06 12:55:55 +01:00
Eric Snowberg 2a88564017 grub-install: Fix memory leak
Signed-off-by: Eric Snowberg <eric.snowberg@oracle.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
2017-11-28 20:33:06 +01:00
Eric Snowberg 3d8df86d82 ls: prevent double open
Prevent a double open.  This can cause problems with some ieee1275
devices, causing the system to hang.  The double open can occur
as follows:

grub_ls_list_files (char *dirname, int longlist, int all, int human)
       dev = grub_device_open (device_name);
       dev remains open while:
       grub_normal_print_device_info (device_name);
                dev = grub_device_open (name);

Signed-off-by: Eric Snowberg <eric.snowberg@oracle.com>
Signed-off-by: Daniel Kiper <daniel.kiper@oracle.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
2017-11-24 16:18:29 +01:00
Eric Snowberg f8679cedff sparc64: Don't use devspec to determine the OBP path
Don't use devspec to determine the OBP path on SPARC hardware.  Within all
versions of Linux on SPARC, the devspec returns one of three values:
"none", "vnet-port", or "vdisk".  Unlike on PPC, none of these values
are useful in determining the OBP path.

Before this patch grub-ofpathname always returned the wrong value
for a virtual disk. For example:

% grub-ofpathname /dev/vdiskc2
vdisk/disk@2:b

After this patch it now returns the correct value:

% grub-ofpathname /dev/vdiskc2
/virtual-devices@100/channel-devices@200/disk@2:b

Orabug: 24459765

Signed-off-by: Eric Snowberg <eric.snowberg@oracle.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
2017-05-29 16:59:44 +02:00
Eric Snowberg bd4e40aadd sparc64: Close cdboot ihandle
The ihandle is left open with a cd-core image.  This will cause a delay
booting grub from a virtual cdrom in a LDOM.  It will also cause problems
as Linux boots, since it expects the ihandle to be closed during init.

Orabug: 25911275

Signed-off-by: Eric Snowberg <eric.snowberg@oracle.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
2017-05-18 21:58:15 +02:00
Eric Snowberg bc220962e3 ieee1275: prevent buffer over-read
Prevent buffer over-read in grub_machine_mmap_iterate. This was
causing phys_base from being calculated properly. This then
caused the wrong value to be placed in ramdisk_image within
struct linux_hdrs. Which prevented the ramdisk from loading on
boot.

Newer SPARC systems contain more than 8 available memory entries.

For example on a T5-8 with 2TB of memory, the memory layout could
look like this:

T5-8 Memory
reg                      00000000 30000000 0000003f b0000000
                         00000800 00000000 00000040 00000000
                         00001000 00000000 00000040 00000000
                         00001800 00000000 00000040 00000000
                         00002000 00000000 00000040 00000000
                         00002800 00000000 00000040 00000000
                         00003000 00000000 00000040 00000000
                         00003800 00000000 00000040 00000000
available                00003800 00000000 0000003f ffcae000
                         00003000 00000000 00000040 00000000
                         00002800 00000000 00000040 00000000
                         00002000 00000000 00000040 00000000
                         00001800 00000000 00000040 00000000
                         00001000 00000000 00000040 00000000
                         00000800 00000000 00000040 00000000
                         00000000 70000000 0000003f 70000000
                         00000000 6eef8000 00000000 00002000
                         00000000 30400000 00000000 3eaf6000
name                     memory

Signed-off-by: Eric Snowberg <eric.snowberg@oracle.com>
2016-02-22 10:01:31 +03:00
Eric Snowberg 080a20861c OBP available region contains grub. Start at grub_phys_end.
This prevents a problem where grub was being overwritten since
grub_phys_start does not start at a zero offset within the memory
map.
2016-02-12 23:16:03 +01:00
Eric Snowberg 0b72543afd ofdisk: Fix devpath freeing logic. 2015-10-26 23:03:06 +01:00
Eric Snowberg 8cb4c4edbe sparc64 - use correct drive name within grub_util_sparc_setup
Incorrect drive name was being passed into grub_util_sparc_setup,
causing the grub-install to fail.

Signed-off-by: Eric Snowberg <eric.snowberg@oracle.com>
2015-10-07 19:51:57 +03:00