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root / target-s390x @ 640239b2

Name Size
cpu.h 33.5 kB
exec.h 1.3 kB
helper.c 17.1 kB
helpers.h 6.3 kB
kvm.c 11.4 kB
machine.c 930 Bytes
op_helper.c 73.8 kB
translate.c 162 kB

Latest revisions

# Date Author Comment
d4a3ef69 06/03/2011 02:34 pm Stefan Weil

target-s390x: Fix build for non-linux hosts

linux/kvm.h is not always available for compilation.

Neither linux/kvm.h nor kvm.h are needed, so remove both
which also fixes the build problem for non-linux hosts.

Cc: Alexander Graf <>
Signed-off-by: Stefan Weil <>...

be82ee2a 06/03/2011 02:34 pm Stefan Weil

target-s390x: Fix wrong argument in call of tcg_gen_shl_i64()

tcg_gen_shl_i64 needs a 3rd argument of type TCGv_i64.
Set tmp4 so it can be used here.

v2:
Don't call tcg_const_i64() inside of the loop
because it creates additional code.

Signed-off-by: Stefan Weil <>...

640239b2 06/03/2011 02:34 pm Stefan Weil

target-s390x: Fix duplicate call of tcg_temp_new_i64

tmp2 = tcg_temp_new_i64() is already executed unconditionally,
so there is no need to call it a second time for 64 bit hosts.

Signed-off-by: Stefan Weil <>
Signed-off-by: Alexander Graf <>

a74cdab4 05/20/2011 06:35 pm Christian Borntraeger

s390x: Fix debugging for unknown sigp order codes

On unknown sigp order codes we print a debug message. This patch
fixes the output, since we want to see the order_code and not
the register numbers.
Patch applies on agraf tree.

Signed-off-by: Christian Borntraeger <>...

22486aa0 05/20/2011 06:35 pm Christian Borntraeger

s390x: fix memory detection for guests > 64GB

the s390 memory detection has a 16bit field that specifies the amount of
increments. This patch adopts the memory size to always fit into that
scheme. This also fixes virtio detection for these guests, since the...

d5a43964 05/20/2011 06:35 pm Alexander Graf

s390x: helper functions for system emulation

When running system emulation, we need to transverse through the MMU and
deliver interrupts according to the specification.

This patch implements those two pieces and in addition adjusts the CPU
initialization code to account for the new fields in CPUState....

defb0e31 05/20/2011 06:35 pm Alexander Graf

s390x: Implement opcode helpers

There are some instructions that can't (or shouldn't) be expressed by pure
tcg code. For those, we call into externally compiled C functions.

This patch implements those C functions.

Signed-off-by: Alexander Graf <>

81f7c56c 05/20/2011 06:35 pm Alexander Graf

s390x: Adjust internal kvm code

We're now finally emulating an s390x CPU, so we can move quite some logic
from the kvm code out into generic CPU code.

This patch does this and adjusts the interfaces according to what the code
around now expects to be able to call....

e023e832 05/20/2011 06:35 pm Alexander Graf

s390x: translate engine for s390x CPU

This is the main meat part of the patch set. It implements emulation for an
s390x CPU.

The code does all the optimizations that are common for TCG code:

- direct branches
- cc optimization
- unrolling of simple microcode loops...
fe9b35b7 05/20/2011 06:35 pm Alexander Graf

s390x: remove compatibility cc field

Remove the now unused cc field that was only required to not break
bisectability.

Signed-off-by: Alexander Graf <>

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