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2019-12-16target/arm: ensure we use current exception state after SCR updateAlex Bennée1-0/+1
A write to the SCR can change the effective EL by droppping the system from secure to non-secure mode. However if we use a cached current_el from before the change we'll rebuild the flags incorrectly. To fix this we introduce the ARM_CP_NEWEL CP flag to indicate the new EL should be used when recomputing the flags. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20191212114734.6962-1-alex.bennee@linaro.org Cc: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20191209143723.6368-1-alex.bennee@linaro.org> Cc: qemu-stable@nongnu.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-12-16target/arm: Handle trapping to EL2 of AArch32 VMRS instructionsMarc Zyngier1-0/+2
HCR_EL2.TID3 requires that AArch32 reads of MVFR[012] are trapped to EL2, and HCR_EL2.TID0 does the same for reads of FPSID. In order to handle this, introduce a new TCG helper function that checks for these control bits before executing the VMRC instruction. Tested with a hacked-up version of KVM/arm64 that sets the control bits for 32bit guests. Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20191201122018.25808-4-maz@kernel.org [PMM: move helper declaration to helper.h; make it TCG_CALL_NO_WG] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-10-24target/arm: Add HELPER(rebuild_hflags_{a32, a64, m32})Richard Henderson1-0/+4
This functions are given the mode and el state of the cpu and writes the computed value to env->hflags. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20191023150057.25731-16-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-08-16target/arm: Remove helper_double_saturateRichard Henderson1-1/+0
Replace x = double_saturate(y) with x = add_saturate(y, y). There is no need for a separate more specialized helper. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20190807045335.1361-12-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-05-13target/arm: Use tcg_gen_abs_i64 and tcg_gen_gvec_absRichard Henderson1-2/+0
Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-04-29target/arm: Implement VLLDM for v7M CPUs with an FPUPeter Maydell1-0/+1
Implement the VLLDM instruction for v7M for the FPU present cas. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190416125744.27770-26-peter.maydell@linaro.org
2019-04-29target/arm: Implement VLSTM for v7M CPUs with an FPUPeter Maydell1-0/+2
Implement the VLSTM instruction for v7M for the FPU present case. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190416125744.27770-25-peter.maydell@linaro.org
2019-04-29target/arm: Implement M-profile lazy FP state preservationPeter Maydell1-0/+2
The M-profile architecture floating point system supports lazy FP state preservation, where FP registers are not pushed to the stack when an exception occurs but are instead only saved if and when the first FP instruction in the exception handler is executed. Implement this in QEMU, corresponding to the check of LSPACT in the pseudocode ExecuteFPCheck(). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190416125744.27770-24-peter.maydell@linaro.org
2019-03-05target/arm: Implement ARMv8.5-FRINTRichard Henderson1-0/+5
Tested-by: Laurent Desnogues <laurent.desnogues@gmail.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190301200501.16533-11-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-03-05target/arm: Add set/clear_pstate_bits, share gen_ss_advanceRichard Henderson1-2/+0
We do not need an out-of-line helper for manipulating bits in pstate. While changing things, share the implementation of gen_ss_advance. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190301200501.16533-6-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-03-05target/arm: Split helper_msr_i_pstate into 3Richard Henderson1-1/+0
The EL0+UMA check is unique to DAIF. While SPSel had avoided the check by nature of already checking EL >= 1, the other post v8.0 extensions to MSR (imm) allow EL0 and do not require UMA. Avoid the unconditional write to pc and use raise_exception_ra to unwind. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190301200501.16533-5-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-02-28target/arm: Add helpers for FMLALRichard Henderson1-0/+9
Note that float16_to_float32 rightly squashes SNaN to QNaN. But of course pickNaNMulAdd, for ARM, selects SNaNs first. So we have to preserve SNaN long enough for the correct NaN to be selected. Thus float16_to_float32_by_bits. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190219222952.22183-2-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-02-21target/arm: Implement ARMv8.3-JSConvRichard Henderson1-0/+3
Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190215192302.27855-5-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> [PMM: fixed a couple of comment typos] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-02-15target/arm: Use vector operations for saturationRichard Henderson1-0/+33
For same-sign saturation, we have tcg vector operations. We can compute the QC bit by comparing the saturated value against the unsaturated value. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190209033847.9014-12-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-02-15target/arm: Remove neon min/max helpersRichard Henderson1-12/+0
These are now unused. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190209033847.9014-6-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Move helper_exception_return to helper-a64.cRichard Henderson1-1/+0
This function is only used by AArch64. Code movement only. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190108223129.5570-11-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-10-08target/arm: Add v8M stack checks on ADD/SUB/MOV of SPPeter Maydell1-0/+2
Add code to insert calls to a helper function to do the stack limit checking when we handle these forms of instruction that write to SP: * ADD (SP plus immediate) * ADD (SP plus register) * SUB (SP minus immediate) * SUB (SP minus register) * MOV (register) Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181002163556.10279-5-peter.maydell@linaro.org
2018-06-29target/arm: Implement SVE dot product (indexed)Richard Henderson1-0/+5
Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-id: 20180627043328.11531-34-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-06-29target/arm: Implement SVE dot product (vectors)Richard Henderson1-0/+5
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180627043328.11531-33-richard.henderson@linaro.org [PMM: moved 'ra=%reg_movprfx' here from following patch] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-06-29target/arm: Implement SVE floating-point convert to integerRichard Henderson1-6/+6
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180627043328.11531-25-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-06-29target/arm: Implement SVE Floating Point Unary Operations - Unpredicated GroupRichard Henderson1-0/+8
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180627043328.11531-21-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-06-29target/arm: Implement SVE Floating Point Multiply Indexed GroupRichard Henderson1-0/+14
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180627043328.11531-19-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-06-15target/arm: Implement SVE Floating Point Arithmetic - Unpredicated GroupRichard Henderson1-0/+19
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180613015641.5667-19-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-05-18target/arm: Implement SVE predicate testRichard Henderson1-0/+1
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180516223007.10256-6-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-05-17target/arm: convert conversion helpers to fpst/ahp_flagAlex Bennée1-6/+4
Instead of passing env and leaving it up to the helper to get the right fpstatus we pass it explicitly. There was already a get_fpstatus helper for neon for the 32 bit code. We also add an get_ahp_flag() for passing the state of the alternative FP16 format flag. This leaves scope for later tracking the AHP state in translation flags. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2018-05-15target/arm: Implement FCVT (scalar, integer) for fp16Richard Henderson1-0/+6
Cc: qemu-stable@nongnu.org Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Tested-by: Alex Bennée <alex.bennee@linaro.org> Message-id: 20180512003217.9105-4-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-05-10target/arm: Fix float16 to/from int16Richard Henderson1-2/+2
The instruction "ucvtf v0.4h, v04h, #2", with input 0x8000u, overflows the intermediate float16 to infinity before we have a chance to scale the output. Use float64 as the intermediate type so that no input argument (uint32_t in this case) can overflow or round before scaling. Given the declared argument, the signed int32_t function has the same problem. When converting from float16 to integer, using u/int32_t instead of u/int16_t means that the bounding is incorrect. Cc: qemu-stable@nongnu.org Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180502221552.3873-4-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-23target/arm: Honour MDCR_EL2.TDE when routing exceptions due to BKPT/BRKPeter Maydell1-0/+1
The MDCR_EL2.TDE bit allows the exception level targeted by debug exceptions to be set to EL2 for code executing at EL0. We handle this in the arm_debug_target_el() function, but this is only used for hardware breakpoint and watchpoint exceptions, not for the exception generated when the guest executes an AArch32 BKPT or AArch64 BRK instruction. We don't have enough information for a translate-time equivalent of arm_debug_target_el(), so instead make BKPT and BRK call a special purpose helper which can do the routing, rather than the generic exception_with_syndrome helper. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-id: 20180320134114.30418-2-peter.maydell@linaro.org
2018-03-02target/arm: Decode aa64 armv8.3 fcmlaRichard Henderson1-0/+11
Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180228193125.20577-13-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org> [PMM: renamed e1/e2/e3/e4 to use the same naming as the version of the pseudocode in the Arm ARM] Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-02target/arm: Decode aa64 armv8.3 fcaddRichard Henderson1-0/+7
Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180228193125.20577-12-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-02target/arm: Decode aa64 armv8.1 three same extraRichard Henderson1-0/+9
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180228193125.20577-6-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-02target/arm: Decode aa64 armv8.1 scalar three same extraRichard Henderson1-0/+4
Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180228193125.20577-5-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-01arm/helper.c: re-factor rsqrte and add rsqrte_f16Alex Bennée1-0/+1
Much like recpe the ARM ARM has simplified the pseudo code for the calculation which is done on a fixed point 9 bit integer maths. So while adding f16 we can also clean this up to be a little less heavy on the floating point and just return the fractional part and leave the calle's to do the final packing of the result. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180227143852.11175-27-alex.bennee@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-01arm/helper.c: re-factor recpe and add recepe_f16Alex Bennée1-0/+1
It looks like the ARM ARM has simplified the pseudo code for the calculation which is done on a fixed point 9 bit integer maths. So while adding f16 we can also clean this up to be a little less heavy on the floating point and just return the fractional part and leave the calle's to do the final packing of the result. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180227143852.11175-23-alex.bennee@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-01arm/translate-a64: add FP16 SCVTF/UCVFT to simd_two_reg_misc_fp16Alex Bennée1-0/+10
I've re-factored the handle_simd_intfp_conv helper to properly handle half-precision as well as call plain conversion helpers when we are not doing fixed point conversion. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180227143852.11175-21-alex.bennee@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-01target/arm/helper: pass explicit fpst to set_rmodeAlex Bennée1-1/+1
As the rounding mode is now split between FP16 and the rest of floating point we need to be explicit when tweaking it. Instead of passing the CPU env we now pass the appropriate fpst pointer directly. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180227143852.11175-6-alex.bennee@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-02-09target/arm: implement SM4 instructionsArd Biesheuvel1-0/+3
This implements emulation of the new SM4 instructions that have been added as an optional extension to the ARMv8 Crypto Extensions in ARM v8.2. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Message-id: 20180207111729.15737-5-ard.biesheuvel@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-02-09target/arm: implement SM3 instructionsArd Biesheuvel1-0/+4
This implements emulation of the new SM3 instructions that have been added as an optional extension to the ARMv8 Crypto Extensions in ARM v8.2. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Message-id: 20180207111729.15737-4-ard.biesheuvel@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-02-09target/arm: implement SHA-512 instructionsArd Biesheuvel1-0/+5
This implements emulation of the new SHA-512 instructions that have been added as an optional extensions to the ARMv8 Crypto Extensions in ARM v8.2. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Message-id: 20180207111729.15737-2-ard.biesheuvel@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-01-25target/arm: Use pointers in neon tbl helperRichard Henderson1-1/+1
Rather than passing a regno to the helper, pass pointers to the vector register directly. This eliminates the need to pass in the environment pointer and reduces the number of places that directly access env->vfp.regs[]. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180119045438.28582-5-richard.henderson@linaro.org Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-01-25target/arm: Use pointers in neon zip/uzp helpersRichard Henderson1-10/+10
Rather than passing regnos to the helpers, pass pointers to the vector registers directly. This eliminates the need to pass in the environment pointer and reduces the number of places that directly access env->vfp.regs[]. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-id: 20180119045438.28582-4-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-01-25target/arm: Use pointers in crypto helpersRichard Henderson1-9/+9
Rather than passing regnos to the helpers, pass pointers to the vector registers directly. This eliminates the need to pass in the environment pointer and reduces the number of places that directly access env->vfp.regs[]. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-id: 20180119045438.28582-3-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-12-13target/arm: Implement TT instructionPeter Maydell1-0/+2
Implement the TT instruction which queries the security state and access permissions of a memory location. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 1512153879-5291-8-git-send-email-peter.maydell@linaro.org
2017-10-31fix WFI/WFE length in syndrome registerStefano Stabellini1-1/+1
WFI/E are often, but not always, 4 bytes long. When they are, we need to set ARM_EL_IL_SHIFT in the syndrome register. Pass the instruction length to HELPER(wfi), use it to decrement pc appropriately and to pass an is_16bit flag to syn_wfx, which sets ARM_EL_IL_SHIFT if needed. Set dc->insn in both arm_tr_translate_insn and thumb_tr_translate_insn. Signed-off-by: Stefano Stabellini <sstabellini@kernel.org> Message-id: alpine.DEB.2.10.1710241055160.574@sstabellini-ThinkPad-X260 [PMM: move setting of dc->insn for Thumb so it is correct for 32 bit insns] Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-10-12target/arm: Implement BLXNSPeter Maydell1-0/+1
Implement the BLXNS instruction, which allows secure code to call non-secure code. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 1507556919-24992-4-git-send-email-peter.maydell@linaro.org
2017-09-07target/arm: Implement BXNS, and banked stack pointersPeter Maydell1-0/+2
Implement the BXNS v8M instruction, which is like BX but will do a jump-and-switch-to-NonSecure if the branch target address has bit 0 clear. This is the first piece of code which implements "switch to the other security state", so the commit also includes the code to switch the stack pointers around, which is the only complicated part of switching security state. BLXNS is more complicated than just "BXNS but set the link register", so we leave it for a separate commit. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 1503414539-28762-21-git-send-email-peter.maydell@linaro.org
2017-01-10target-arm: Use clz opcodeRichard Henderson1-1/+0
Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2016-12-20Move target-* CPU file into a target/ folderThomas Huth1-0/+542
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>
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