Commit Graph

61 Commits

Author SHA1 Message Date
Avinesh Kumar 60caf2216b target-ppc: add vextu[bhw][lr]x instructions
vextublx: Vector Extract Unsigned Byte Left
vextuhlx: Vector Extract Unsigned Halfword Left
vextuwlx: Vector Extract Unsigned Word Left
vextubrx: Vector Extract Unsigned Byte Right-Indexed VX-form
vextuhrx: Vector Extract Unsigned  Halfword Right-Indexed VX-form
vextuwrx: Vector Extract Unsigned Word Right-Indexed VX-form

Signed-off-by: Avinesh Kumar <avinesku@linux.vnet.ibm.com>
Signed-off-by: Hariharan T.S. <hari@linux.vnet.ibm.com>
[ implement using int128_rshift ]
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-01-31 10:10:13 +11:00
Jose Ricardo Ziviani 466a3f9ca3 target-ppc: Implement bcdsetsgn. instruction
bcdsetsgn.: Decimal set sign. This instruction copies the register
value to the result register but adjust the signal according to
the preferred sign value.

Signed-off-by: Jose Ricardo Ziviani <joserz@linux.vnet.ibm.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-01-31 10:10:13 +11:00
Jose Ricardo Ziviani c3025c3b0a target-ppc: Implement bcdcpsgn. instruction
bcdcpsgn.: Decimal copy sign. Given two registers vra and vrb, it
copies the vra value with vrb sign to the result register vrt.

Signed-off-by: Jose Ricardo Ziviani <joserz@linux.vnet.ibm.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-01-31 10:10:13 +11:00
Jose Ricardo Ziviani c85bc7dd90 target-ppc: Implement bcdctsq. instruction
bcdctsq.: Decimal convert to signed quadword. It is possible to
convert packed decimal values to signed quadwords.

Signed-off-by: Jose Ricardo Ziviani <joserz@linux.vnet.ibm.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-01-31 10:10:12 +11:00
Jose Ricardo Ziviani a406c058e7 target-ppc: Implement bcdcfsq. instruction
bcdcfsq.: Decimal convert from signed quadword. It is not possible
to convert values less than -10^31-1 or greater than 10^31-1 to be
represented in packed decimal format.

Signed-off-by: Jose Ricardo Ziviani <joserz@linux.vnet.ibm.com>
[dwg: Corrected constant which should be 10^16-1 but was 10^17-1]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-01-31 10:10:12 +11:00
Nikunj A Dadhania d59ba58380 target-ppc: implement lxv/lxvx and stxv/stxvx
lxv:  Load VSX Vector
lxvx: Load VSX Vector Indexed

    Little/Big-endian Storage
    +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
    |F0|F1|F2|F3|F4|F5|F6|F7|E0|E1|E2|E3|E4|E5|E6|E7|
    +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+

    Vector load results:
    BE:
    +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
    |F0|F1|F2|F3|F4|F5|F6|F7|E0|E1|E2|E3|E4|E5|E6|E7|
    +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+

    LE:
    +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
    |E7|E6|E5|E4|E3|E2|E1|E0|F7|F6|F5|F4|F3|F2|F1|F0|
    +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+

stxv: Store VSX Vector
stxvx: Store VSX Vector Indexed

    Vector (8-bit elements) in BE:
    +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
    |F0|F1|F2|F3|F4|F5|F6|F7|E0|E1|E2|E3|E4|E5|E6|E7|
    +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+

    Vector (8-bit elements) in LE:
    +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
    |E7|E6|E5|E4|E3|E2|E1|E0|F7|F6|F5|F4|F3|F2|F1|F0|
    +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+

    Store results in following:
    +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
    |F0|F1|F2|F3|F4|F5|F6|F7|E0|E1|E2|E3|E4|E5|E6|E7|
    +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+

Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-01-31 10:10:12 +11:00
Nikunj A Dadhania e3001664f1 target-ppc: implement stxsd and stxssp
stxsd:  Store VSX Scalar Dword
stxssp: Store VSX Scalar SP

Moreover, DQ-Form/DS-FORM instructions shares the same primary
opcode(0x3D). For DQ-FORM bits 29:31 are used, for DS-FORM bits 30:31
are used. Common routine to decode primary opcode(0x3D) -
ds-form/dq-form instructions is required.

Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-01-31 10:10:12 +11:00
Nikunj A Dadhania 5cb091a4fd target-ppc: implement lxsd and lxssp instructions
lxsd: Load VSX Scalar Dword
lxssp: Load VSX Scalar Single

Moreover, DS-Form instructions shares the same primary opcode, bits
30:31 are used to decode the instruction. Use a common routine to decode
primary opcode(0x39) - ds-form instructions and branch-out depending on
bits 30:31.

Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-01-31 10:10:12 +11:00
Bharata B Rao be0a4faf35 target-ppc: Add xscmpoqp and xscmpuqp instructions
xscmpoqp - VSX Scalar Compare Ordered Quad-Precision
xscmpuqp - VSX Scalar Compare Unordered Quad-Precision

Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-01-31 10:10:12 +11:00
Bharata B Rao 3a20d11d45 target-ppc: Add xscmpexp[dp,qp] instructions
xscmpexpdp: VSX Scalar Compare Exponents Double-Precision
xscmpexpqp: VSX Scalar Compare Exponents Quad-Precision

Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-01-31 10:10:12 +11:00
Thomas Huth fcf5ef2ab5 Move target-* CPU file into a target/ folder
We've currently got 18 architectures in QEMU, and thus 18 target-xxx
folders in the root folder of the QEMU source tree. More architectures
(e.g. RISC-V, AVR) are likely to be included soon, too, so the main
folder of the QEMU sources slowly gets quite overcrowded with the
target-xxx folders.
To disburden the main folder a little bit, let's move the target-xxx
folders into a dedicated target/ folder, so that target-xxx/ simply
becomes target/xxx/ instead.

Acked-by: Laurent Vivier <laurent@vivier.eu> [m68k part]
Acked-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> [tricore part]
Acked-by: Michael Walle <michael@walle.cc> [lm32 part]
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> [s390x part]
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com> [s390x part]
Acked-by: Eduardo Habkost <ehabkost@redhat.com> [i386 part]
Acked-by: Artyom Tarasenko <atar4qemu@gmail.com> [sparc part]
Acked-by: Richard Henderson <rth@twiddle.net> [alpha part]
Acked-by: Max Filippov <jcmvbkbc@gmail.com> [xtensa part]
Reviewed-by: David Gibson <david@gibson.dropbear.id.au> [ppc part]
Acked-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> [cris&microblaze part]
Acked-by: Guan Xuetao <gxt@mprc.pku.edu.cn> [unicore32 part]
Signed-off-by: Thomas Huth <thuth@redhat.com>
2016-12-20 21:52:12 +01:00