Commit Graph

20753 Commits

Author SHA1 Message Date
Stefan Weil
a483bdae10 make: Fix dependencies for fpu/*.c and tcg/*.c
Commit dcff25f2cd removed too many *.d
files. The directories fpu/ and tcg/ still don't use the recursive
subdir rules.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-06-24 12:17:52 +00:00
Stefan Weil
726f8cbf86 qemu-log: Add GCC format attribute
The new inline function qemu_log_vprintf should use this attribute.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-06-24 12:16:51 +00:00
Blue Swirl
4e469a438f Merge branch 'ppc-for-upstream' of git://repo.or.cz/qemu/agraf
* 'ppc-for-upstream' of git://repo.or.cz/qemu/agraf: (72 commits)
  PPC: BookE206: Bump MAS2 to 64bit
  PPC: BookE: Support 32 and 64 bit wide MAS2
  PPC: Extract SPR dump generation into its own function
  PPC: Add e5500 CPU target
  PPC: BookE: Make ivpr selectable by CPU type
  PPC: BookE: Implement EPR SPR
  PPC: Add support for MSR_CM
  PPC: Add some booke SPR defines
  uImage: increase the gzip load size
  PPC: e500: allow users to set the /compatible property via -machine
  dt: make setprop argument static
  PPC: e500: Refactor serial dt generation
  dt: Add global option to set phandle start offset
  PPC: e500: Extend address/size of / to 64bit
  PPC: e500: Define addresses as always 64bit
  PPC: e500: Use new SOC dt format
  PPC: e500: Use new MPIC dt format
  Revert "dt: temporarily disable subtree creation failure check"
  PPC: e500: enable manual loading of dtb blob
  PPC: e500: dt: use target_phys_addr_t for ramsize
  ...
2012-06-24 10:48:56 +00:00
Blue Swirl
959a255dfb Merge branch 'target-arm.for-upstream' of git://git.linaro.org/people/pmaydell/qemu-arm
* 'target-arm.for-upstream' of git://git.linaro.org/people/pmaydell/qemu-arm: (33 commits)
  target-arm: Remove ARM_CPUID_* macros
  target-arm: Remove remaining old cp15 infrastructure
  target-arm: Move block cache ops to new cp15 framework
  target-arm: Remove c0_cachetype CPUARMState field
  target-arm: Convert final ID registers
  target-arm: Convert MPIDR
  target-arm: Convert cp15 cache ID registers
  target-arm: Convert cp15 crn=0 crm={1,2} feature registers
  target-arm: Convert cp15 crn=1 registers
  target-arm: Convert cp15 crn=9 registers
  target-arm: Convert cp15 crn=6 registers
  target-arm: convert cp15 crn=7 registers
  target-arm: Convert cp15 VA-PA translation registers
  target-arm: Convert cp15 MMU TLB control
  target-arm: Convert cp15 crn=15 registers
  target-arm: Convert cp15 crn=10 registers
  target-arm: Convert cp15 crn=13 registers
  target-arm: Convert cp15 crn=2 registers
  target-arm: Convert MMU fault status cp15 registers
  target-arm: Convert cp15 c3 register
  ...
2012-06-24 10:48:01 +00:00
Blue Swirl
8dacfcb407 Merge branch 's390-for-upstream' of git://repo.or.cz/qemu/agraf
* 's390-for-upstream' of git://repo.or.cz/qemu/agraf:
  s390: stop target cpu on sigp initial reset
  s390: make kvm_stat work on s390
  kvm: Update kernel headers
  s390x: fix s390 virtio aliases
2012-06-24 10:45:55 +00:00
Blue Swirl
99918cec19 Merge branch 'arm-devs.for-upstream' of git://git.linaro.org/people/pmaydell/qemu-arm
* 'arm-devs.for-upstream' of git://git.linaro.org/people/pmaydell/qemu-arm:
  arm_boot: Conditionalised DTB command line update
  cadence_ttc: changed master clock frequency
  cadence_gem: avoid stack-writing buffer-overrun
  hw/a9mpcore: Fix compilation failure if physaddrs are 64 bit
  hw/omap.h: Drop broken MEM_VERBOSE tracing
  hw/armv7m_nvic: Make the NVIC a freestanding class
  hw/arm_gic: Move CPU interface memory region setup into arm_gic_init
  hw/arm_gic.c: Make NVIC interrupt numbering a runtime setting
  hw/arm_gic: Make CPU target registers RAZ/WI on uniprocessor
  hw/arm_gic: Add qdev property for GIC revision
  hw/armv7m_nvic: Use MemoryRegions for NVIC specific registers
  hw/arm_gic: Move NVIC specific reset to armv7m_nvic_reset
  hw/arm_gic: Remove the special casing of NCPU for the NVIC
  hw/arm_gic: Remove NVIC ifdefs from gic_state struct
  arm_boot: Fix typos in comment
  ARM: Exynos4210 IRQ: Introduce new IRQ gate functionality.
2012-06-24 07:09:30 +00:00
Alexander Graf
960916988b PPC: BookE206: Bump MAS2 to 64bit
On 64bit capable systems, MAS2 can actually hold a 64bit virtual page
address. So increase the mask for its EPN.

Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:52 +02:00
Alexander Graf
ba38ab8d42 PPC: BookE: Support 32 and 64 bit wide MAS2
The MAS registers on BookE are all 32 bit wide, except for MAS2, which
can hold up to 64 bit on 64 bit capable CPUs. Reflect this in the SPR
setting code, so that the guest can never write invalid values in them.

Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:52 +02:00
Alexander Graf
91f477fd9c PPC: Extract SPR dump generation into its own function
This patch moves the debug #ifdef'ed SPR trace generation into its
own function, so we can call it from multiple places.

Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:52 +02:00
Alexander Graf
b81ccf8ae7 PPC: Add e5500 CPU target
This patch adds e5500's CPU initialization to the TCG CPU initialization
code.

Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:52 +02:00
Alexander Graf
e9cd84b90b PPC: BookE: Make ivpr selectable by CPU type
IVPR can either hold 32 or 64 bit addresses, depending on the CPU type. Let
the CPU initialization function pass in its mask itself, so we can easily
extend it.

Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:52 +02:00
Alexander Graf
2a7a47fc6c PPC: BookE: Implement EPR SPR
On the e500 series, accessing SPR_EPR magically turns into an access at
that CPU's IACK register on the MPIC. Implement that logic to get kernels
that make use of that feature work.

Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:52 +02:00
Alexander Graf
e42a61f185 PPC: Add support for MSR_CM
The BookE variant of MSR_SF is MSR_CM. Implement everything it takes in TCG to
support running 64bit code with MSR_CM set.

Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:51 +02:00
Alexander Graf
84755ed51e PPC: Add some booke SPR defines
The number of SPRs avaiable in different PowerPC chip is still increasing. Add
definitions for the MAS7_MAS3 SPR and all currently known bits in EPCR.

Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:51 +02:00
Alexander Graf
5025d5421d uImage: increase the gzip load size
Recent u-boot has different defines for its gzip extract buffer, but the
common ground seems to be 64MB. So let's bump it up to that, enabling me
to load my test image again ;).

Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:51 +02:00
Alexander Graf
caedc737d2 PPC: e500: allow users to set the /compatible property via -machine
Device trees usually have a node /compatible, which indicate which machine
type we're looking at. For quick prototyping, it can be very useful to change
the contents of that node via the command line.

Thus, introduce a new option to -machine called dt_compatible, which when
set changes the /compatible contents to its value.

Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:51 +02:00
Alexander Graf
45e9dfb2fd dt: make setprop argument static
Whatever we pass in to qemu_devtree_setprop to put into the device tree
will not get modified by that function, so it can easily be declared const.

Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@petalogix.com>
2012-06-24 01:04:51 +02:00
Alexander Graf
a053a7cea6 PPC: e500: Refactor serial dt generation
When generating serial port device tree nodes, we duplicate quite a bit
of code, because there are 2 of them in the mpc8544ds board we emulate.

Shove the generating code into a function, so we duplicate less code.

Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:51 +02:00
Alexander Graf
4b1b1c896f dt: Add global option to set phandle start offset
If anyone outside of QEMU wants to mess with a QEMU generated device tree,
he needs to know which range phandles are valid in. So let's expose a
machine option that an external program can use to set the start allocate
id for phandles in QEMU.

Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:50 +02:00
Alexander Graf
3627757e32 PPC: e500: Extend address/size of / to 64bit
We want to be able to support >= 4GB of RAM. To do so, we need to be able
to tell the guest OS how much RAM it has.

However, that information today is capped to 32bit. So let's extend the
offset and size fields to 64bit, so we can fit in big addresses and even
one day - if we wish to do so - map devices above 32bit.

Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:50 +02:00
Alexander Graf
ed2bc496ef PPC: e500: Define addresses as always 64bit
Every time we use an address constant, it needs to potentially fit into
a 64bit physical address space. So let's define things accordingly.

Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:50 +02:00
Alexander Graf
ebb9518aab PPC: e500: Use new SOC dt format
Due to popular demand, let's clean up the soc node a bit and use
more recent dt notions.

Requested-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:50 +02:00
Alexander Graf
518c7fb44f PPC: e500: Use new MPIC dt format
Due to popular demand, we're updating the way we generate the MPIC
node and interrupt lines based on what the current state of art is.

Requested-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:50 +02:00
Alexander Graf
1337ae1e5b Revert "dt: temporarily disable subtree creation failure check"
This reverts commit "dt: temporarily disable subtree creation
failure check" which was meant as a temporary solution to keep
external and dynamic device tree construction intact.

Now that we switched to fully dynamic dt construction, it's no
longer necessary.

Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:49 +02:00
Alexander Graf
d1b935659b PPC: e500: enable manual loading of dtb blob
We want to be able to override the automatically created device tree
by using the -dtb option. Implement this for the mpc8544ds machine.

Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:49 +02:00
Alexander Graf
7f47b41f3f PPC: e500: dt: use target_phys_addr_t for ramsize
We're passing the ram size as uint32_t, capping it to 32 bits atm.
Change to target_phys_addr_t (uint64_t) to make sure we have all
the bits.

Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:49 +02:00
Alexander Graf
1d2e5c5235 PPC: e500: dt: use 64bit cell helper
We have a nice 64bit helper to ease the device tree generation and
make the code more readable when creating 64bit 2-cell parameters.
Use it when generating the device tree.

Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:49 +02:00
Alexander Graf
25b42708cd dt: Add -machine dumpdtb option to dump the current dtb
Now that we are dynamically creating the dtb, it's really useful to
be able to dump the created blob for debugging.

This patch implements a -machine dumpdtb=<file> option for e500 that
dumps the dtb exactly in the form the guest would get it to disk. It
can then be analyzed by dtc to get information about the guest
configuration.

Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:48 +02:00
Alexander Graf
2636fcb653 PPC: e500: dt: start with empty device tree
Now that all of the device tree bits are generated during runtime, we
can get rid of the device tree blob and instead start from scratch with
an empty device tree.

Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:48 +02:00
Alexander Graf
0dbc07985b PPC: e500: dt: create pci node dynamically
Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:48 +02:00
Alexander Graf
f5038483e4 PPC: e500: dt: create global-utils node dynamically
Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:48 +02:00
Alexander Graf
19ac9deacb PPC: e500: dt: create mpic node dynamically
Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:48 +02:00
Alexander Graf
0cfc6e8d9e PPC: e500: dt: create serial nodes dynamically
Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:48 +02:00
Alexander Graf
5da9662439 PPC: e500: dt: create /soc8544 node dynamically
Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:48 +02:00
Alexander Graf
f5231aafbf PPC: e500: dt: create /chosen node dynamically
Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:47 +02:00
Alexander Graf
51b852b74c PPC: e500: dt: create / node dynamically
Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:47 +02:00
Alexander Graf
d50f71a5fd PPC: e500: dt: create /hypervisor node dynamically
Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:47 +02:00
Alexander Graf
625e665b61 PPC: e500: dt: create /cpus node dynamically
Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:47 +02:00
Alexander Graf
dd0bcfca64 PPC: e500: dt: create memory node dynamically
Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:47 +02:00
Alexander Graf
63397dd0be PPC: e500: require libfdt
Now that we're moving all of the device tree generation from an external
pre-execution generated blob to runtime generation using libfdt, we absolutely
must have libfdt around.

This requirement was there before already, as the only way to not require libfdt
with e500 was to not use -kernel, which was the only way to boot the mpc8544ds
machine. This patch only manifests said requirement in the build system.

Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:47 +02:00
Alexander Graf
bb28eb3797 dt: add helper for 64bit cell adds
Some times in the device tree, we find an array of 2 u32 cells that
really are a single u64 value. This patch adds a helper to make the
creation of these easy.

Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@petalogix.com>
2012-06-24 01:04:46 +02:00
Alexander Graf
3601b57282 dt: add helper for phandle allocation
Phandle references work by having 2 pieces:

  - a "phandle" 1-cell property in the device tree node
  - a reference to the same value in a property we want to point
    to the other node

To generate the 1-cell property, we need an allocation mechanism that
gives us a unique number space. This patch adds an allocator for these
properties.

Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:46 +02:00
Alexander Graf
ce36252cc1 dt: add helper for empty dt creation
We want to get rid of the concept of loading an external device tree and instead
generate our own. However, to do this we need to also create a device tree
template programatically.

This patch adds a helper to create an empty device tree in memory.

Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@petalogix.com>
2012-06-24 01:04:46 +02:00
Alexander Graf
7d5fd1089c dt: add helper for phandle enumeration
This patch adds a helper to search for a node's phandle by its path. This
is especially useful when the phandle is part of an array, not just a single
cell in which case qemu_devtree_setprop_phandle would be the easy choice.

Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@petalogix.com>
2012-06-24 01:04:46 +02:00
Alexander Graf
ef5d833fc6 dt: temporarily disable subtree creation failure check
Usually we want to know when creating a subtree fails. However, while
introducing this patch set we have to modify the device tree and some
times have the code to create a subtree in both the binary tree and
the dynamically created tree.

So ignore failures about this for now and enable them once we got rid
of the binary device tree.

Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:46 +02:00
Alexander Graf
8535ab1258 dt: add helper for phandle references
Phandles are the fancy device tree name for "pointer to another node".
To create a phandle property, we most likely want to reference to the
node we're pointing to by its path. So create a helper that allows
us to do so.

Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@petalogix.com>
2012-06-24 01:04:46 +02:00
Alexander Graf
7ae2291e8e dt: add helpers for multi-cell adds
We have device tree helpers that allow us to create single cell (u32)
wide properties. However, when creating properties that contain an array of
cells, we need to jump through hoops, manually passing in an array with
converted endianness.

To ease the pain of this, create a generic macro helper that allows us
to pass the cells as arguments.

Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@petalogix.com>
2012-06-24 01:04:46 +02:00
Alexander Graf
c640d08834 dt: allow add_subnode to create root subnodes
Our subnode creation helper can't handle creation of root subnodes,
like "/memory". Fix this by allowing the parent node to be an empty
string, indicating the root node.

Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@petalogix.com>
2012-06-24 01:04:45 +02:00
Kevin Wolf
94282e7146 raw-posix: Fix build without is_allocated support
Move the declaration of s into the #ifdef sections that actually make
use of it.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:45 +02:00
Benjamin Herrenschmidt
c73e3771ea spapr: Add "memop" hypercall
This adds a qemu-specific hypervisor call to the pseries machine
which allows to do what amounts to memmove, memcpy and xor over
regions of physical memory such as the framebuffer.

This is the simplest way to get usable framebuffer speed from
SLOF since the framebuffer isn't mapped in the VRMA and so would
otherwise require an hcall per 8 bytes access.

The performance is still not great but usable, and can be improved
with a more complex implementation of the hcall itself if needed.

This also adds some documentation for the qemu-specific hypercalls
that we add to PAPR along with a new qemu,hypertas-functions property
that mirrors ibm,hypertas-functions and provides some discoverability
for the new calls.

Note: I chose note to advertise H_RTAS to the guest via that mechanism.
This is done on purpose, the guest uses the normal RTAS interfaces
provided by qemu (including SLOF) which internally calls H_RTAS.

We might in the future implement part (or even all) of RTAS inside the
guest like IBM's firmware does and replace H_RTAS with some finer grained
set of private hypercalls.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24 01:04:45 +02:00