Commit graph

3524 commits

Author SHA1 Message Date
Richard Henderson 9cde8bfc44
target-arm: Use clz opcode
Backports commit 7539a012f614b724426ac9360238f3281d928a3f from qemu
2018-03-01 16:13:26 -05:00
Richard Henderson 9b2752b0a9
target-mips: Use clz opcode
Backports commit 1a0196c5c7f197fad7b079074d587b3204bcfb0f from qemu
2018-03-01 16:08:19 -05:00
Richard Henderson 2cf34e1b55
tcg: Add clz and ctz opcodes
Backports commit 0e28d0063bbd9e59a981ea2d20f82f30c5d956a8 from qemu
2018-03-01 16:04:11 -05:00
Richard Henderson b4b173615c
tcg: Allow an operand to be matching or a constant
This allows an output operand to match an input operand
only when the input operand needs a register.

Backports commit 17280ff4a5f264e01e55ae514ee6d3586f9577b2 from qemu
2018-03-01 15:49:05 -05:00
Richard Henderson 3f38611159
tcg: Pass the opcode width to target_parse_constraint
This will let us choose how to interpret a given constraint
depending on whether the opcode is 32- or 64-bit. Which will
let us share more constraint combinations between opcodes.

At the same time, change the interface to return the advanced
pointer instead of passing it in/out by reference.

Backports commit 069ea736b50b75fdec99c9b8cc603b97bd98419e from qemu
2018-03-01 15:45:40 -05:00
Richard Henderson b8c93597b4
tcg: Transition flat op_defs array to a target callback
This will allow the target to tailor the constraints to the
auto-detected ISA extensions.

Backports commit f69d277ece43c42c7ab0144c2ff05ba740f6706b from qemu
2018-03-01 15:40:11 -05:00
Richard Henderson 551ef0a9f7
tcg: Add markup for output requires new register
This is the same concept as, and same markup as, the
early clobber markup in gcc.

Backports commit 82790a870992bd87d5fd9e607f40859dcf4f82ac from qemu
2018-03-01 15:24:58 -05:00
Richard Henderson 199b3859c4
tcg/optimize: Fold movcond 0/1 into setcond
Backports commit 333b21b809fc80ce67c8f6a7d1c7cc66437d9791 from qemu
2018-03-01 14:41:38 -05:00
Richard Henderson b62743947f
target-mips: Use the new extract op
Use extract for EXT and DEXT.

Backports commit 6eebb7a438236fcf3fdadb013921ac597aaea911 fromq qemu
2018-03-01 14:39:20 -05:00
Richard Henderson e5acbeb86e
target-i386: Use new deposit and extract ops
A couple of places where it was easy to identify a right-shift
followed by an extract or and-with-immediate, and the obvious
sign-extract from a high byte register.

Backports commit 04fc2f1c8fc030a11e08e81bb926392c0991282a from qemu
2018-03-01 14:38:17 -05:00
Richard Henderson ce3c153bd8
target-arm: Use new deposit and extract ops
Use the new primitives for UBFX and SBFX.

Backports commits 59a71b4c5b4ef2ef6425b9e21c972dd5bf450275 and 86c9ab277615af4e0389eb80a83073873ff96c86 from qemu
2018-03-01 14:09:17 -05:00
Richard Henderson f0781470b4
tcg/s390: Support deposit into zero
Since we can no longer use matching constraints, this does
mean we must handle that data movement by hand.

Backports commit 752b1be94757de906b9c24ebc8f5e6aa54b96b23 from qemu
2018-03-01 13:47:20 -05:00
Richard Henderson a7462cc7bf
tcg/s390: Implement field extraction opcodes
Backports commit b0bf5fe82df93c180f69d439af59f1f546632f13 from qemu
2018-03-01 13:45:33 -05:00
Richard Henderson ab8871ea82
tcg/s390: Implement field extraction opcodes
Backports commit b0bf5fe82df93c180f69d439af59f1f546632f13 from qemu
2018-03-01 13:43:46 -05:00
Richard Henderson 348802286c
tcg/s390: Expose host facilities to tcg-target.h
This lets us expose facilities to TCG_TARGET_HAS_* defines
directly, rather than hiding behind function calls.

Backports commit b2c98d9d392c87c9b9e975d30f79924719d9cbbe from qemu
2018-03-01 13:43:00 -05:00
Richard Henderson db41c6f1d0
tcg/ppc: Implement field extraction opcodes
Backports commit c05021c3c8d6c976e4677d3010b9ef01488a4434 from qemu
2018-03-01 13:38:42 -05:00
Richard Henderson b10a4a9ee6
tcg/mips: Implement field extraction opcodes
Backports commit befbb3ced5869003ee2e806c4f36e306918d2374 from qemu
2018-03-01 13:37:24 -05:00
Richard Henderson 7a7a5c640d
tcg/i386: Implement field extraction opcodes
Backports commit 78fdbfb94616f0391834d2eccabd16ea29e37da5 from qemu
2018-03-01 13:35:41 -05:00
Richard Henderson cabb6f71a0
tcg/arm: Implement field extraction opcodes
Backports commit ec903af18418e0870af84f6036d7aca1e6a5dc0a from qemu
2018-03-01 13:33:55 -05:00
Richard Henderson c4f56ec541
tcg/arm: Move isa detection to tcg-target.h
This allows us to use this detection within the TCG_TARGET_HAS_*
macros, instead of requiring a function call into tcg-target.inc.c.

Backports commit 40b2ccb156534f5d5f1d110a6ce008d87ee10af1 from qemu
2018-03-01 13:32:39 -05:00
Richard Henderson fbea4130fc
tcg/aarch64: Implement field extraction opcodes
Backports commit e2179f94a17bf0933df29ce1b4f6bc93cbe7dbd3 from qemu
2018-03-01 13:30:55 -05:00
Richard Henderson 9f2fcaaf27
tcg: Add deposit_z expander
While we don't require a new opcode, it is handy to have an expander
that knows the first source is zero.

Backports commit 07cc68d52852bf47dea7c402b46ddd28248d4212 from qemu
2018-03-01 13:29:24 -05:00
Richard Henderson 8e0585dcb1
tcg: Add field extraction primitives
Adds tcg_gen_extract_* and tcg_gen_sextract_* for extraction of
fixed position bitfields, much like we already have for deposit.

Backports commit 7ec8bab3deae643b1ce579c2d65a244f30708330 from qemu
2018-03-01 13:21:30 -05:00
Jason Wang 29932d0719
memory: handle alias in memory_region_is_iommu()
Backports commit 12d37882f0c0def5dee1c21be5d8fea9c21baada from qemu
2018-03-01 13:06:18 -05:00
Jason Wang fdca6292a1
exec: introduce address_space_get_iotlb_entry()
This patch introduces a helper to query the iotlb entry for a
possible iova. This will be used by later device IOTLB API to enable
the capability for a dataplane (e.g vhost) to query the IOTLB.

Backports commit 052c8fa9983f553fdfa0d61034774070dd639c2b from qemu
2018-03-01 13:05:08 -05:00
Richard Henderson efad2631d2
translate-all: Avoid -Werror=switch-bool
gcc 5.3.0 diagnoses

translate-all.c: In function ‘alloc_code_gen_buffer’:
translate-all.c:756:17: error: switch condition has boolean value
switch (buf2 != MAP_FAILED) {
^

Backports commit f68808c7494b38764e1895a9852b994638b86536 from qemu
2018-03-01 13:01:50 -05:00
Jin Guojie 4ed2a37f6d
tcg-mips: Adjust qemu_ld/st for mips64
Backports commit f0d703314ecb0415d51425727ed73ad2c6e3238a from qemu
2018-03-01 13:01:05 -05:00
Jin Guojie 25b4e11814
tcg-mips: Adjust calling conventions for mips64
Backports commit 999b941633cabf2487d9bc77ce382b3fde3cd66d from qemu
2018-03-01 12:53:42 -05:00
Jin Guojie 3de761976c
tcg-mips: Adjust prologue for mips64
Take stack frame parameters out from the function body.

Backports commit 0973b1cff8b66f3561befb1f467b2ab4d1a7d55a from qemu
2018-03-01 12:51:36 -05:00
Jin Guojie b55b7403a8
tcg-mips: Adjust load/store functions for mips64
tcg_out_ldst: using a generic ALIAS_PADD to avoid ifdefs
tcg_out_ld: generates LD or LW
tcg_out_st: generates SD or SW

Backports commit 32b69707df3365aadaad1d058044a7704397ec62 from qemu
2018-03-01 12:50:12 -05:00
Jin Guojie 022ff3580e
tcg-mips: Adjust move functions for mips64
tcg_out_mov: using OPC_OR as most mips assemblers do;
tcg_out_movi: extended to 64-bit immediate.

Backports commit 2294d05dab503d11664e73712c7f250fd0bf9e3b from qemu
2018-03-01 12:49:19 -05:00
Jin Guojie 00ccf9cec7
tcg-mips: Add bswap32u and bswap64
Without the mips32r2 instructions to perform swapping, bswap is quite large,
dominating the size of each reverse-endian qemu_ld/qemu_st operation.

Create two subroutines in the prologue block. The subroutines require extra
reserved registers (TCG_TMP[2, 3]). Using these within qemu_ld means that
we need not place additional restrictions on the qemu_ld outputs.

Backports commit 7f54eaa3b78d71cb57e45a719980f9b5ff06d21c from qemu
2018-03-01 12:47:45 -05:00
Jin Guojie 397db1b046
tcg-mips: Support 64-bit opcodes
Bulk patch adding 64-bit opcodes into tcg_out_op. Note that
mips64 is as yet neither complete nor enabled.

Backports commit 0119b1927d531f3fac22b9b4da01dafc23644973 from qemu
2018-03-01 12:46:18 -05:00
Jin Guojie 286f3a9f70
tcg-mips: Add mips64 opcodes
Since the mips manual tables are in octal, reorg all of the opcodes
into that format for clarity. Note that the 64-bit opcodes are as
yet unused.

Backports commit 57a701fc2b34902310d4dbd1411088055616938a from qemu
2018-03-01 12:36:20 -05:00
Jin Guojie d2aa49e9d3
tcg-mips: Move bswap code to a subroutine
Without the mips32r2 instructions to perform swapping, bswap is quite large,
dominating the size of each reverse-endian qemu_ld/qemu_st operation.

Create a subroutine in the prologue block. The subroutine requires extra
reserved registers (TCG_TMP[2, 3]). Using these within qemu_ld means that
we need not place additional restrictions on the qemu_ld outputs.

Backports commit bb08afe9f0aee1a3f5c23508e2511b882ca31e1b from qemu
2018-03-01 12:35:20 -05:00
Laurent Vivier 5d4a5e9ba7
target-m68k: free TCG variables that are not
This is a cleanup patch. It adds call to tcg_temp_free()
when it is missing.

Backports commit 2b5e2170678af36df48ab4b05dff81fe40b41a65 from qemu
2018-03-01 12:27:43 -05:00
Laurent Vivier 74beed5a4d
target-m68k: add rol/ror/roxl/roxr instructions
Backports commit 0194cf31cfc84516d10eca354146673150e10410 from qemu
2018-03-01 12:21:02 -05:00
Richard Henderson cf9424d60d
target-m68k: Inline shifts
Also manage word and byte operands and fix the computation of
overflow in the case of M68000 arithmetic shifts.

Backports commit 367790cce8e14131426f5190dfd7d1bdbf656e4d from qemu
2018-03-01 12:11:10 -05:00
Richard Henderson 0c00b036be
target-m68k: Do not cpu_abort on undefined insns
Report this properly via exception and, importantly, allow
the disassembler the chance to tell us what insn is not handled.

Backports commit 72d2e4b6a437f11f97d3138f6b2ec177b78210c7 from qemu
2018-03-01 12:02:39 -05:00
Laurent Vivier 90b0b6d867
target-m68k: Implement 680x0 movem
680x0 movem can load/store words and long words and can use more
addressing modes. Coldfire can only use long words with (Ax) and
(d16,Ax) addressing modes.

Backports commit 7b542eb96d7d5d9266a9c0425f05d49c8e6df2f9 from qemu
2018-03-01 12:01:46 -05:00
Laurent Vivier 2d318da080
target-m68k: add cas/cas2 ops
Implement CAS using cmpxchg.
Implement CAS2 using helper and either cmpxchg when
the 32bit addresses are consecutive, or with
parallel_cpus+cpu_loop_exit_atomic() otherwise.

Backports commit 14f944063affbcc7bd6df42b060793dbfee8a822 from qemu
2018-03-01 11:56:26 -05:00
Laurent Vivier f602f9d40c
target-m68k: add abcd/sbcd/nbcd
Backports commit fb5543d820018a46b713911e7653594be727ca98 from qemu
2018-03-01 11:51:49 -05:00
Laurent Vivier 90b87b3580
target-m68k: add 680x0 divu/divs variants
Update helper to set the throwing location in case of div-by-0.
Cleanup divX.w and add quad word variants of divX.l.

Backports commit 0ccb9c1d8128a020720d5c6abf99a470742a1b94 from qemu
2018-03-01 11:42:30 -05:00
Laurent Vivier 77b8b2f3b8
target-m68k: add 680x0 divu/divs variants
Update helper to set the throwing location in case of div-by-0.
Cleanup divX.w and add quad word variants of divX.l.

Backports commit 0ccb9c1d8128a020720d5c6abf99a470742a1b94 from qemu
2018-03-01 11:38:53 -05:00
Laurent Vivier f3990e8f87
target-m68k: add 64bit mull
Backports commit 8be95defd6ab10d2c9f986879a0afa82417cb8e5 from qemu
2018-03-01 11:32:59 -05:00
Laurent Vivier e1c7d37556
target-m68k: add cmpm
Backports commit 817af1c72d227fd5759ef882bef61acee40679b1 from qemu
2018-03-01 11:29:35 -05:00
Richard Henderson e6ca471dda
target-m68k: Split gen_lea and gen_ea
Provide gen_lea_mode and gen_ea_mode, where the mode can be
specified manually, rather than taken from the instruction.

Backports commit f84aab269ddab8509b77408b886e9071bf5c48fb from qemu
2018-03-01 11:27:43 -05:00
Richard Henderson 5541553e8d
target-m68k: Delay autoinc writeback
Backports commit 8a1e52b69d2cd1c633f3c473a213d575931bf46d from qemu
2018-03-01 11:18:36 -05:00
Cédric Le Goater c7ab1e782b
target-arm: Add VBAR support to ARM1176 CPUs
ARM1176 CPUs have TrustZone support and can use the Vector Base
Address Register, but currently, qemu only adds VBAR support to ARMv7
CPUs. Fix this by adding a new feature ARM_FEATURE_VBAR which can used
for ARMv7 and ARM1176 CPUs.

The VBAR feature is always set for ARMv7 because some legacy boards
require it even if this is not architecturally correct.

Backports commit 91db4642f868cf2e591b62d31a19d35b02ea791e from qemu
2018-03-01 11:12:29 -05:00
Peter Maydell 554ad1f34e
target-arm: Log AArch64 exception returns
We already log exception entry; add logging of the AArch64 exception
return path as well.

Backports commit c9b61d9aa1ad234b0961f8add023cdc999cda3da from qemu
2018-03-01 11:08:35 -05:00