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2017-02-13sim: use ARRAY_SIZE instead of ad-hoc sizeof calculationsMike Frysinger1-1/+2
2016-07-14Small improvements to the ARM simulator to cope with illegal binaries.Nick Clifton1-1/+4
* armemu.c (Multiply64): Only issue error messages about invalid arguments if debugging is enabled. * armos.c (ARMul_OSHandleSWI): Ignore invalid flags.
2015-12-25sim: arm: delete unused codeMike Frysinger1-82/+0
These vestiges of the 20 year old emulator are just getting in the way. Punt all the dead code we either don't compile or don't use.
2015-07-14Remove extraneous whitespace from ARM sim sources.Nick Clifton1-11/+11
* armcopro.c: Remove extraneous whitespace. * armdefs.h: Likewise. * armfpe.h: Likewise. * arminit.c: Likewise. * armopts.h: Likewise. * armos.c: Likewise. * armos.h: Likewise. * armrdi.c: Likewise. * armsupp.c: Likewise. * armvirt.c: Likewise. * bag.c: Likewise. * bag.h: Likewise. * communicate.c: Likewise. * communicate.h: Likewise. * dbg_conf.h: Likewise. * dbg_cp.h: Likewise. * dbg_hif.h: Likewise. * dbg_rdi.h: Likewise. * gdbhost.c: Likewise. * gdbhost.h: Likewise. * iwmmxt.c: Likewise. * iwmmxt.h: Likewise. * kid.c: Likewise. * main.c: Likewise. * maverick.c: Likewise. * parent.c: Likewise. * thumbemu.c: Likewise. * wrapper.c: Likewise.
2015-06-28Add support for ARM v6 instructions.Nick Clifton1-2/+1
* Makefile.in (SIM_EXTRA_CFLAGS): Add -lm. * armdefs.h (ARMdval, ARMfval): New types. (ARM_VFP_reg): New union. (struct ARMul_State): Add VFP_Reg and FPSCR fields. (VFP_fval, VFP_uword, VFP_sword, VFP_dval, VFP_dword): Accessor macros for the new VFP_Reg field. * armemu.c (handle_v6_insn): Add code to handle MOVW, MOVT, QADD16, QASX, QSAX, QSUB16, QADD8, QSUB8, UADD16, USUB16, UADD8, USUB8, SEL, REV, REV16, RBIT, BFC, BFI, SBFX and UBFX instructions. (handle_VFP_move): New function. (ARMul_Emulate16): Add checks for newly supported v6 instructions. Add support for VMRS, VMOV and MRC instructions. (Multiply64): Allow nRdHi == nRm and/or nRdLo == nRm when operating in v6 mode. * armemu.h (t_resolved): Define. * armsupp.c: Include math.h. (handle_VFP_xfer): New function. Handles VMOV, VSTM, VSTR, VPUSH, VSTM, VLDM and VPOP instructions. (ARMul_LDC): Test for co-processor 10 or 11 and pass call to the new handle_VFP_xfer function. (ARMul_STC): Likewise. (handle_VFP_op): New function. Handles VMLA, VMLS, VNMLA, VNMLS, VNMUL, VMUL, VADD, VSUB, VDIV, VMOV, VABS, VNEG, VSQRT, VCMP, VCMPE and VCVT instructions. (ARMul_CDP): Test for co-processor 10 or 11 and pass call to the new handle_VFP_op function. * thumbemu.c (tBIT, tBITS, ntBIT, ntBITS): New macros. (test_cond): New function. Tests a condition and returns non-zero if the condition has been met. (handle_IT_block): New function. (in_IT_block): New function. (IT_block_allow): New function. (ThumbExpandImm): New function. (handle_T2_insn): New function. Handles T2 thumb instructions. (handle_v6_thumb_insn): Add next_instr and pc parameters. (ARMul_ThumbDecode): Add support for IT blocks. Add support for v6 instructions. * wrapper.c (sim_create_inferior): Detect a thumb address and call SETT appropriately.
2012-12-19[sim] Update old contact info in GPL license noticesJoel Brobecker1-2/+1
sim/ChangeLog: Update old contact info in GPL license notices.
2012-12-19Update sim copyright headers from GPLv2-or-later to GPLv3-or-later.Joel Brobecker1-1/+1
gdb/sim/ChangeLog: Update the non-FSF-copyrighted files in sim to GPLv3 or later.
2007-02-27 * armos.c (SWIflen): Do not treate file descriptor zero asMark Mitchell1-1/+1
special.
2006-03-072006-03-07 Paul Brook <paul@codesourcery.com>Paul Brook1-2/+2
* elfos.c (ARMul_OSHandleSWI): Call correct function for IsTTY.
2006-02-02 * armos.c (ARMul_OSHandleSWI): Handle the RedBoot systemDaniel Jacobowitz1-2/+19
call meminfo. Return ENOSYS for unhandled RedBoot syscalls.
2005-11-172005-11-16 Shaun Jackman <sjackman@gmail.com>Daniel Jacobowitz1-13/+89
* sim/arm/armos.c: Include limits.h (unlink): Remove this macro. It is unused in this file and conflicts with sim_callback->unlink. (PATH_MAX): Define as 1024 if not already defined. (ReadFileName): New function. (SWIopen): Fix a potential buffer overflow. (SWIremove): New function. (SWIrename): Ditto. (ARMul_OSHandleSWI): Handle the RDP calls SWI_IsTTY, SWI_Remove, and SWI_Rename, as well as the RDI calls AngelSWI_Reason_IsTTY, AngelSWI_Reason_Remove, and AngelSWI_Reason_Rename.
2005-05-12Update the address of the FSF organizationNick Clifton1-1/+1
2003-12-29 * armos.c (fcntl.h): Do not include it.Mark Mitchell1-25/+16
(O_RDONLY): Do not define. (O_WRONLY): Likewise. (O_RDWR): Likewise. (targ-vals.h): Include it. (translate_open_mode): Use TARGET_O_* instead of O_*. (SWIopen): Likewise. * Makefile.in (armos.o): Depend on targ-vals.h.
2003-03-27Add iWMMXt support to ARM simulatorNick Clifton1-10/+39
2003-03-02(SWIWrite0): Catch big-endian bug when printing charactersNick Clifton1-1/+7
2002-08-16oops - fix typo in previous deltaNick Clifton1-2/+2
2002-08-15Catch and ignore SWIs of -1, they can be caused by an interrupted systemNick Clifton1-0/+14
call being resumed by GDB.
2002-06-09Move include/callback.h and include/remote-sim.h to include/gdb/.Andrew Cagney1-1/+1
Update accordingly.
2002-05-27Only perform access checks if 'check' is set.Nick Clifton1-2/+2
Report unknown machine numbers. Formatting tidy ups.
2002-05-20Add support for target specific command line switches to old-style simualtors.Nick Clifton1-249/+296
Make use of this support in the ARM simulator to add a --swi-support= switch to select whcih SWI protocols to emulate.
2002-05-09Uses sim callback interface for system calls in RedBoot SWI support.Nick Clifton1-8/+13
2002-05-09Support the RedBoot SWI in ARM mode and some of its system calls.Nick Clifton1-30/+104
2002-02-21 * armos.c (SWIWrite0): Use generic host_callback mechanismKeith Seitz1-31/+40
for supported OS functions "open", "close", "write", etc. (SWIopen): Likewise. (SWIread): Likewise. (SWIwrite): Likewise. (SWIflen): Likewise. (ARMul_OSHandleSWI): Likewise.
2001-02-28Add support for disabling alignment checks when performing GDB interfaceNick Clifton1-20/+7
calls or SWI emulaiton routines. (Alignment checking code has not yet been contributed).
2001-02-14remove spurious whitespaceNick Clifton1-6/+6
2001-02-14Prevent Aborts from happening whilst emulating a SWINick Clifton1-62/+76
2001-02-01Detect installation of SWI vector by running program as well as loading program.Nick Clifton1-2/+2
2000-12-11Add 0x91 as an FPE SWI.Nick Clifton1-0/+1
2000-12-03Suppress support of DEMON swi's in XScale mode.Nick Clifton1-71/+103
2000-11-30Add support for ARM's v5TE architecture and Intel's XScale extenstionsNick Clifton1-18/+49
2000-05-30Add support for v4 SystemMode.Nick Clifton1-0/+1
2000-02-08Fix compile time warning messages.Nick Clifton1-612/+18
2000-02-05import gdb-2000-02-04 snapshotJason Molenda1-696/+757
1999-12-07import gdb-1999-12-06 snapshotJason Molenda1-2/+13
1999-10-12import gdb-1999-10-11 snapshotJason Molenda1-1/+1
1999-10-05import gdb-1999-10-04 snapshotJason Molenda1-3/+3
1999-04-16Initial creation of sourceware repositorygdb-4_18-branchpointStan Shebs1-0/+1136
1999-04-16Initial creation of sourceware repositoryStan Shebs1-968/+0
1998-06-02Allow simulator to work with Angel SWIs.Nick Clifton1-0/+7
1998-06-02Mon Jun 1 17:14:19 1998 Anthony Thompson (athompso@cambridge.arm.com)Jason Molenda1-0/+961
* armos.c (ARMul_OSHandleSWI::SWI_Open): Handle special case of ":tt" to catch stdin in addition to stdout. (ARMul_OSHandleSWI::SWI_Seek): Return 0 or 1 to indicate failure or success of lseek(). From PR 15839, modified a bit by me to appease my sense of style--but not too much because I am lazy.
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