Commit Graph

15 Commits

Author SHA1 Message Date
Nick Clifton 454de2ee15 Remove extraneous whitespace from ARM sim sources.
* 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.
2015-07-14 12:06:33 +01:00
Nick Clifton 73cb0348b2 Add support for ARM v6 instructions.
* 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.
2015-06-28 19:14:36 +01:00
Nick Clifton 8d05292667 Add support for instruction level tracing to the ARM simulator.
* wrapper.c (op_print): New function.
	(sim_dis_read): New function.
	(print_insn): New function - disassembles the given instruction.
	(sim_trace): Note that tracing is now allowed.
	(sim_create_inferior): Default to emulating v6.
	Initialise the disassembler machinery.
	(sim_target_parse_command_line): Add support for -t -d and -z
	options.
	(sim_target_display_usage): Note existence of -d and -z options.
	(sim_open): Parse -t -d and -z options.
	* armemu.h: Add exports of trace, disas and trace_funcs.
	Add prototype for print_insn.
	* armemu.c (ARMul_Emulate26): Add tracing code.
	Delete unused variables.
	* thumbemu (handle_v6_thumb_insn): Delete unused variable Rd.
	Move Rm variable into switch cases.
	Add tracing code.

	* armcopro.c (XScale_cp15_init): Add a return value.
	(XScale_cp13_init): Likewise.
	(XScale_cp14_init): Likewise.
	(XScale_cp15_LDC): Delete unused function.
	(XScale_cp15_STC): Likewise.
	* maverick.c: Delete comment inside comment.
	(DSPInit): Delete unused function.
	(DSPMCR4): Fix compile time warning about missing parenthesis.
	(DSPMCR5): Likewise.
	(DSPCDP6): Delete unused variable opcode2.
2014-03-14 15:21:23 +00:00
Joel Brobecker 51b318dec8 [sim] Update old contact info in GPL license notices
sim/ChangeLog:

        Update old contact info in GPL license notices.
2012-12-19 07:18:22 +00:00
Joel Brobecker 3fd725ef34 Update sim copyright headers from GPLv2-or-later to GPLv3-or-later.
gdb/sim/ChangeLog:

        Update the non-FSF-copyrighted files in sim to GPLv3 or later.
2012-12-19 07:12:02 +00:00
Nick Clifton 546aee7a22 (handle_v6_thumb_insn): New function.
(ARMul_ThumbDecode): Call handle_v6_thumb_insn() when an undefined instruction
  binary is encountered.
2005-05-24 15:30:38 +00:00
Nick Clifton 380d9419c9 Update the address of the FSF organization 2005-05-12 07:36:59 +00:00
Nick Clifton 7378e198a5 Thumb BL instruction: Do not set LR to pc + 2, it has already been advanced. 2002-05-27 13:30:36 +00:00
Nick Clifton 2984e11475 When decoding a BLX(1) instruction do not add in the second bit of the base
address - this has already been accounted for.
2002-05-23 12:38:31 +00:00
Nick Clifton 4f3c3dbb37 Fix BLX(1) for Thumb 2001-03-06 22:33:47 +00:00
Nick Clifton f1129fb8ff Add support for ARM's v5TE architecture and Intel's XScale extenstions 2000-11-30 01:55:12 +00:00
Jason Molenda dfcd3bfb6f import gdb-2000-02-04 snapshot 2000-02-05 07:30:26 +00:00
Jason Molenda 5c44784c11 import gdb-1999-11-01 snapshot 1999-11-02 04:44:47 +00:00
Stan Shebs 7a292a7adf import gdb-19990422 snapshot 1999-04-26 18:34:20 +00:00
Stan Shebs c906108c21 Initial creation of sourceware repository 1999-04-16 01:35:26 +00:00