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2013-07-09tcg: Move the CIE and FDE header definitions to common codeRichard Henderson1-25/+10
These will necessarily be the same layout for all hosts. This limits the amount of boilerplate required to implement jit debug for a host. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-07-09tcg: Split rem requirement from div requirementRichard Henderson1-0/+1
There are several hosts with only a "div" insn. Remainder is computed manually from the quotient and inputs. We can do this generically. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-02-23tcg: Add signed multiword multiplication operationsRichard Henderson1-0/+1
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-12-29tcg-hppa: Fix typo in brcond2Richard Henderson1-1/+1
Reported-by: Stuart Brady <sdb@zubnet.me.uk> Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-12-19exec: move include files to include/exec/Paolo Bonzini1-1/+1
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-12-19janitor: add guards to headersPaolo Bonzini1-0/+3
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-10-12tcg: Remove TCG_TARGET_HAS_GUEST_BASE definePeter Maydell1-2/+0
GUEST_BASE support is now supported by all TCG backends, and is now mandatory. Drop the now-pointless TCG_TARGET_HAS_GUEST_BASE define (set by every backend) and the error if it is unset. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2012-10-06tcg: Add tcg_high_condRichard Henderson1-15/+2
The table that was recently added for hppa is generally usable. And with the renumbering of the TCG_COND constants it's not too difficult to compute rather than have a table. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-10-06tcg: Add TCG_COND_NEVER, TCG_COND_ALWAYSRichard Henderson1-1/+1
There are several cases that can be handled easier inside both translators and code generators if we have out-of-band values for conditions. It's easy enough to handle ALWAYS and NEVER in the natural way inside the tcg middle-end. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-10-06tcg: remove obsolete jmp opAurelien Jarno1-6/+0
The TCG jmp operation doesn't really make sense in the QEMU context, it is unused, it is not implemented by some targets, and it is wrongly implemented by some others. This patch simply removes it. Reviewed-by: Richard Henderson <rth@twiddle.net> Acked-by: Blue Swirl <blauwirbel@gmail.com> Acked-by: Stefan Weil<sw@weilnetz.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-09-22tcg: Remove tcg_target_get_call_iarg_regs_countStefan Weil1-6/+0
The TCG targets no longer need individual implementations. Since commit 6a18ae2d2947532d5c26439548afa0481c4529f9, 'flags' is no longer used in tcg_target_get_call_iarg_regs_count. The remaining tcg_target_get_call_iarg_regs_count is trivial and only called once. Therefore the patch eliminates it completely. Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-09-22tcg-hppa: Implement movcondRichard Henderson2-1/+22
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-09-21tcg-hppa: Fix broken load/store helpersRichard Henderson1-62/+74
The CONFIG_TCG_PASS_AREG0 code for calling ld/st helpers was not respecting the ABI requirement for 64-bit values being aligned in registers. Mirror the ARM port in use of helper functions to marshal arguments into the correct registers. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-09-21tcg-hppa: Fix brcond2 and setcond2Richard Henderson1-9/+42
Neither of these functions were performing double-word compares properly. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-09-21tcg: Introduce movcondRichard Henderson1-0/+1
Implemented with setcond if the target does not provide the optional opcode. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-09-15Remove unused CONFIG_TCG_PASS_AREG0 and dead codeBlue Swirl2-25/+0
Now that CONFIG_TCG_PASS_AREG0 is enabled for all targets, remove dead code and support for !CONFIG_TCG_PASS_AREG0 case. Remove dyngen-exec.h and all references to it. Although included by hw/spapr_hcall.c, it does not seem to use it. Remove unused HELPER_CFLAGS. Signed-off-by: Blue Swirl <blauwirbel@gmail.com> Reviewed-by: Richard Henderson <rth@twiddle.net>
2012-03-24tcg-hppa: Add debug_frame support.Richard Henderson1-15/+88
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-03-18softmmu templates: optionally pass CPUState to memory access functionsBlue Swirl1-0/+44
Optionally, make memory access helpers take a parameter for CPUState instead of relying on global env. On most targets, perform simple moves to reorder registers. On i386, switch from regparm(3) calling convention to standard stack-based version. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-03-14Rename CPUState -> CPUArchStateAndreas Färber1-4/+4
Scripted conversion: for file in *.[hc] hw/*.[hc] hw/kvm/*.[hc] linux-user/*.[hc] linux-user/m68k/*.[hc] bsd-user/*.[hc] darwin-user/*.[hc] tcg/*/*.[hc] target-*/cpu.h; do sed -i "s/CPUState/CPUArchState/g" $file done All occurrences of CPUArchState are expected to be replaced by QOM CPUState, once all targets are QOM'ified and common fields have been extracted. Signed-off-by: Andreas Färber <afaerber@suse.de> Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
2012-03-11tcg: Improve tcg_out_label and fix its usage for w64Stefan Weil1-4/+4
tcg_out_label is always called with a third argument of pointer type which was casted to tcg_target_long. These casts can be avoided by changing the prototype of tcg_out_label. There was also a cast to long. For most hosts with sizeof(long) == sizeof(tcg_target_long) == sizeof(void *) this did not matter, but for w64 it was wrong. This is fixed now. Cc: Blue Swirl <blauwirbel@gmail.com> Cc: Richard Henderson <rth@twiddle.net> Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-03-03w64: Change data type of parameters for flush_icache_rangeStefan Weil1-1/+3
The TCG targets i386 and tci needed a change of the function prototype for w64. This change is currently not needed for the other TCG targets, but it can be applied to avoid code differences. Cc: Blue Swirl <blauwirbel@gmail.com> Cc: Andrzej Zaborowski <balrogg@gmail.com> Cc: Richard Henderson <rth@twiddle.net> Cc: Aurelien Jarno <aurelien@aurel32.net> Cc: Alexander Graf <agraf@suse.de> Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-11-14tcg: Use TCGReg for standard tcg-target entry points.Richard Henderson1-6/+6
Including tcg_out_ld, tcg_out_st, tcg_out_mov, tcg_out_movi. Signed-off-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Andreas Färber <afaerber@suse.de> Reviewed-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-11-14tcg: Standardize on TCGReg as the enum for hard registersRichard Henderson1-2/+2
Most targets did not name the enum; tci used TCGRegister. Signed-off-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Andreas Färber <afaerber@suse.de> Reviewed-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-10-01tcg: Don't declare TCG_TARGET_REG_BITS in tcg-target.hStefan Weil1-3/+1
It is now declared for all tcg targets in tcg.h, so the tcg target specific declarations are redundant. Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-08-21tcg-hppa: Fix CPU_TEMP_BUF_NLONGS oversight.Richard Henderson1-1/+1
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-08-21tcg: Always define all of the TCGOpcode enum members.Richard Henderson1-13/+16
By always defining these symbols, we can eliminate a lot of ifdefs. To allow this to be checked reliably, the semantics of the TCG_TARGET_HAS_* macros must be changed from def/undef to true/false. This allows even more ifdefs to be removed, converting them into C if statements. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-07-01tcg-hppa: Support deposit opcode.Richard Henderson2-4/+21
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-07-01TCG/HPPA: use stack for TCG tempsBlue Swirl1-2/+7
Use stack instead of temp_buf array in CPUState for TCG temps. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-07-01TCG/HPPA: use TCG_REG_CALL_STACK instead of TCG_REG_SPBlue Swirl1-14/+16
Use TCG_REG_CALL_STACK instead of TCG_REG_SP for consistency. Acked-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-06-26Delegate setup of TCG temporaries to targetsBlue Swirl1-0/+2
Delegate TCG temp_buf setup to targets, so that they can use a stack frame later instead. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-06-26cpu-exec.c: avoid AREG0 useBlue Swirl1-2/+4
Make functions take a parameter for CPUState instead of relying on global env. Pass CPUState pointer to TCG prologue, which moves it to AREG0. Thanks to Peter Maydell and Laurent Desnogues for the ARM prologue change. Revert the hacks to avoid AREG0 use on Sparc hosts. Move cpu_has_work() and cpu_pc_from_tb() from exec.h to cpu.h. Compile the file without HELPER_CFLAGS. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-09tcg: Make some tcg-target.c routines static.Richard Henderson1-2/+2
Both tcg_target_init and tcg_target_qemu_prologue are unused outside of tcg.c. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-06-09tcg: Add TYPE parameter to tcg_out_mov.Richard Henderson1-19/+19
Mirror tcg_out_movi in having a TYPE parameter. This allows x86_64 to perform the move at the proper width, which may elide a REX prefix. Introduce a TCG_TYPE_REG enumerator to represent the "native width" of the host register, and to distinguish the usage from "pointer data" as represented by the existing TCG_TYPE_PTR. Update all targets to match. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-05-21tcg-hppa: Load GUEST_BASE as an immediate.Richard Henderson1-8/+4
Now that the prologue is generated after GUEST_BASE is fixed, we can load it as an immediate, and also avoid reserving the register if it isn't necessary. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-04-26tcg-hppa: Remove automatically implemented opcodes.Richard Henderson2-19/+5
Remove neg, ext8u, ext16u, as requested. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-04-26tcg-hppa: Fix branch offset during retranslation.Richard Henderson1-2/+8
Branch offsets should only be overwritten during relocation, to support partial retranslation. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-04-26tcg-hppa: Schedule the address masking after the TLB load.Richard Henderson1-1/+6
Issue the tlb load as early as possible and perform the address masking while the load is completing. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-04-26tcg-hppa: Fix softmmu loads and stores.Richard Henderson1-144/+132
Along the tlb hit path, we were modifying the variables holding the input register numbers, which lead to incorrect expansion of the tlb miss path. Fix this by extracting the tlb hit path to separate functions with their own local variables. This also makes the difference between softmmu and user-only easier to read. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-04-26tcg-hppa: Fix GUEST_BASE initialization in prologue.Richard Henderson1-10/+10
Load from the guest_base variable rather than embed a constant. Always reserve TCG_GUEST_BASE_REG if guest base support enabled. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-04-26tcg-hppa: Constrain immediate inputs to and_i32, or_i32, andc_i32.Richard Henderson2-54/+56
Define "M" constraint for and_mask_p and "O" constraint for or_mask_p. Assume that inputs are correct in tcg_out_ori and tcg_out_andi. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-04-08tcg-hppa: Don't try to calls to non-constant addresses.Richard Henderson1-2/+4
PA-RISC uses procedure descriptors. We'd need to emit a call to the millicode routine $$dyncall. However, this situation doesn't actually arise, since we always have the descriptor available at TCG code generation time. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-04-08tcg-hppa: Fix in/out register overlap in add2/sub2.Richard Henderson2-14/+47
Handle the output log part overlapping the input high parts. Also, improve sub2 to handle some constants the second input low part. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-04-08tcg-hppa: Finish the port.Richard Henderson2-646/+1254
Delete inline functions from tcg-target.h that don't need to be there, move the others to tcg-target.c. Add 'Z', 'I', 'J' constraints for 0, signed 11-bit, and signed 5-bit respectively. Add GUEST_BASE support similar to ppc64, with the value stored in a register. Add missing registers to reg_alloc_order. Add support for 12-bit branch relocations. Add functions for synthetic operations: addi, mtctl, dep, shd, vshd, ori, andi, shifts, rotates, multiply, branches, setcond. Split out TLB reads from qemu_ld and qemu_st; fix argument loading for tlb external calls. Generate the prologue. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-03-26tcg: Disambiguate qemu_ld32u with 32-bit and 64-bit outputs.Richard Henderson1-3/+3
Some targets (e.g. Alpha and MIPS64) need to keep 32-bit operands sign-extended in 64-bit registers (regardless of the "real" sign of the operand). For that, we need to be able to distinguish between a 32-bit load with a 32-bit result and a 32-bit load with a given extension to a 64-bit result. This distinction already exists for the ld* loads, but not the qemu_ld* loads. Reserve qemu_ld32u for 64-bit outputs and introduce qemu_ld32 for 32-bit outputs. Adjust all code generators to match. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-03-26tcg: Name the opcode enumeration.Richard Henderson1-1/+1
Give the enumeration formed from tcg-opc.h a name: TCGOpcode. Use that enumeration type instead of "int" whereever appropriate. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-03-26remove remaining occurrences AREG[1-9] and TCG_AREG[1-9]Paolo Bonzini1-2/+0
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-03-14tcg: add div/rem 32-bit helpersAurelien Jarno1-0/+1
Some targets like ARM would benefit to use 32-bit helpers for div/rem/divu/remu. Create a #define for div2 so that targets can select between div, div2 and helper implementation. Use the helper version if none of the #define are present. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-02-22tcg: fix build on 32-bit hppa, ppc and sparc hostsJay Foad1-1/+0
The qemu_ld32s op is only defined if TCG_TARGET_REG_BITS == 64. Signed-off-by: Jay Foad <jay.foad@gmail.com> Signed-off-by: malc <av1474@comtv.ru>
2009-09-25Suppress some variants of English in commentsStefan Weil1-2/+2
Replace surpress, supress by suppress. Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-03-13tcg: rename bswap_i32/i64 functionsaurel321-1/+1
Rename bswap_i32 into bswap32_i32 and bswap_i64 into bswap64_i64 Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6829 c046a42c-6fe2-441c-8c8c-71466251a162
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