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62 Commits

Author SHA1 Message Date
Stan Shebs c906108c21 Initial creation of sourceware repository 1999-04-16 01:35:26 +00:00
Stan Shebs 071ea11e85 Initial creation of sourceware repository 1999-04-16 01:34:07 +00:00
Jeff Law 7c8a2969e6 * simops.c (syscall): Handle change in opcode # for syscall. 
* mn10300.igen (syscall): Likewise.
 1998-06-18 00:03:00 +00:00
Joyce Janczyn 52ef605e6d * simops.c (OP_F0FD): Initialise variable 'sp' for rti instruction. 1998-03-25 17:10:01 +00:00
Jeff Law 3406569f7f * simops.c (inc): Fix typo. 1998-02-28 01:41:28 +00:00
Jeff Law 097e6924c2 * simops.c (signed multiply instructions): Cast input operands to 
signed32 before casting them to signed64 so that the sign bit
        is propagated properly.
 1998-02-25 08:58:23 +00:00
Mark Alexander a9faef120e * Makefile.in: Last change was bad. Define NL_TARGET 
so that targ-vals.h will be used instead of syscall.h.
	* simops.c: Use targ-vals.h instead of syscall.h.
	(OP_F020): Disable unsupported system calls.
 1998-02-24 05:07:11 +00:00
Jeff Law 7eab31b76f * simops.c: Include sim-types.h. 1998-02-22 22:59:43 +00:00
Jeff Law 0983e650e5 * simops.c (multiply instructions): Cast input operands to a 
signed64/unsigned64 type as appropriate.
 1998-02-18 20:05:53 +00:00
Jeff Law fc615b0b1e * simops.c (call:16 call:32): Stack adjustment is determined solely 
by the imm8 field.
 1997-11-11 17:37:04 +00:00
Jeff Law f4ab2b2fdc * simops.c: Correctly handle register restores for "ret" and "retf" 
instructions.
pr13306 related stuff.
 1997-10-21 16:07:53 +00:00
Jeff Law d05b86b7fb * interp.c (sim_resume): Clear State.exited. 
(sim_stop_reason): If State.exited is nonzero, then indicate that
        the simulator exited instead of stopped.
        * mn10300_sim.h (struct _state): Add exited field.
        * simops.c (syscall): Set State.exited for SYS_exit.

Fixes problem found bin Felix.
 1997-06-24 19:45:17 +00:00
Jeff Law c370b3cd95 * simops.c: Fix thinko in last change. 1997-06-12 04:14:42 +00:00
Jeff Law dbdb5bd881 * simops.c: "call" stores the callee saved registers into the 
stack!  Update the stack pointer properly when done with
        register saves.
 1997-06-10 22:59:13 +00:00
Jeff Law 0a8fa63cb8 * simops.c: Fix return address computation for "call" instructions. 1997-06-10 18:32:40 +00:00
Jeff Law 003c91bec4 * interp.c: Replace all references to load_mem and store_mem 
with references to load_byte, load_half, load_3_byte, load_word
        and store_byte, store_half, store_3_byte, store_word.
        (INLINE): Delete definition.
        (load_mem_big): Likewise.
        (max_mem): Make it global.
        (dispatch): Make this function inline.
        (load_mem, store_mem): Delete functions.
        * mn10300_sim.h (INLINE): Define.
        (RLW): Delete unused definition.
        (load_mem, store_mem): Delete declarations.
        (load_mem_big): New definition.
        (load_byte, load_half, load_3_byte, load_word): New functions.
        (store_byte, store_half, store_3_byte, store_word): New functions.
        * simops.c:  Replace all references to load_mem and store_mem
        with references to load_byte, load_half, load_3_byte, load_word
        and store_byte, store_half, store_3_byte, store_word.
 1997-05-20 23:53:47 +00:00
Jeff Law 4df7aeb3c5 * interp.c (dispatch): Make this an inline function. 
* simops.c (syscall): Use callback->write regardless of
        what file descriptor we're writing too.
 1997-05-19 19:55:31 +00:00
Jeff Law 26e9f63c11 * mn10300_sim.h (struct _state): Add space for mdrq register. 
(REG_MDRQ): Define.
        * simops.c: Don't abort for trap.  Add support for the extended
        instructions, "getx", "putx", "mulq", "mulqu", "sat16", "sat24",
        and "bsch".
 1997-05-06 00:35:42 +00:00
Andrew Cagney 87e43259f1 Cleanups to compile under FreeBSD 1997-04-17 06:05:19 +00:00
Jeff Law 81f13ed1f3 * simops.c (syscall): Handle new mn10300 calling conventions. 
Forgot to check this in last week.
 1997-04-08 06:01:20 +00:00
Jeff Law 65b784d8a5 * simops.c: Fix register extraction for a two "movbu" variants. 
Somewhat simplify "sub" instructions.
        Correctly sign extend operands for "mul".  Put the correct
        half of the result in MDR for "mul" and "mulu".
        Implement remaining instructions.
        Tweak opcode for "syscall".
 1997-03-20 19:02:44 +00:00
Jeff Law 0915c8433b * simops.c: Do syscall emulation in "syscall" instruction. Add 
dummy "trap" instruction.
Cleanups for the beta release.
 1997-03-18 21:24:38 +00:00
Jeff Law 0ade484f98 * simops.c: Fix carry bit computation for "add" instructions. 
More bugs exposed by new mn10300 compiler optimizations.
 1997-03-12 22:20:13 +00:00
Jeff Law 09eef8af93 * simops.c: Fix typos in bset insns. Fix arguments to store_mem 
for bset imm8,(d8,an) and bclr imm8,(d8,an).
Bugs exposed by new compiler optimizations.
 1997-03-12 22:05:49 +00:00
Jeff Law 43eb4bed50 * simops.c: Fix register references when computing Z and N bits 
for lsr imm8,dn.
Bug exposed by c-torture testing of the mn10300.
 1997-03-05 22:04:31 +00:00
Jeff Law f95251f068 * simops.c: Undo last change to "rol" and "ror", original code 
was correct!
 1997-01-21 22:03:39 +00:00
Jeff Law b4b290a020 * simops.c: Fix "rol" and "ror". 
Something I noticed while working on the mn10200.
 1997-01-16 18:28:46 +00:00
Jeff Law 898c77b856 * simops.c: Fix typo in last change. 1997-01-15 13:46:18 +00:00
Jeff Law 2da0bc1bf9 * simops.c: Use REG macros in few places not using them yet. 
Something I noticed while working on the mn10200 simulator.
 1997-01-13 20:28:37 +00:00
Jeff Law b774c0e4b1 * mn10300_sim.h (struct _state): Put all registers into a single 
array to make gdb implementation easier.
        (REG_*): Add definitions for all registers in the state array.
        (SEXT32, SEXT40, SEXT44, SEXT60): Remove unused macros.
        * simops.c: Related changes.
 1996-12-31 23:26:11 +00:00
Jeff Law d657034d38 * interp.c (sim_resume): Handle 0xff as a single byte insn. 
* simops.c: Fix overflow computation for "add" and "inc"
        instructions.
 1996-12-18 17:15:21 +00:00
Jeff Law 093e9a32d3 * simops.c: Handle "break" instruction. 1996-12-16 22:31:37 +00:00
Jeff Law 16d2e2b670 * simops.c: Fix restoring the PC for "ret" and "retf" instructions. 1996-12-16 17:08:10 +00:00
Jeff Law 95d18eb74d * simops.c (REG0_4): Define. 
Use REG0_4 for indexed loads/stores.
Fixes bugs exposed after minor codegen improvements in the compiler.
 1996-12-10 22:10:07 +00:00
Jeff Law 2e8f4133d7 * simops.c (REG0_16): Fix typo. 1996-12-07 16:54:57 +00:00
Jeff Law 5084d8e513 Add missing semicolons in last change. 1996-12-07 00:36:50 +00:00
Jeff Law b2f7a7e5b3 * simops.c: Call abort for any instruction that's not currently 
simulated.
 1996-12-06 21:49:27 +00:00
Jeff Law 9f4a551e11 * simops.c: Define accessor macros to extract register 
values from instructions.  Use them consistently.
 1996-12-06 21:47:21 +00:00
Jeff Law 7c52bf32f2 * interp.c: Delete unused global variable "OP". 
(sim_resume): Remove unused variable "opcode".
        * simops.c: Fix some uninitialized variable problems, add
        parens to fix various -Wall warnings.
Fixing assorted -Wall problems.
 1996-12-06 21:33:48 +00:00
Jeff Law d252301029 * gencode.c (write_header): Add "insn" and "extension" arguments 
to the OP_* declarations.
        (write_template): Similarly for function templates.
        * interp.c (insn, extension): Remove global variables.  Instead
        pass them as arguments to the OP_* functions.
        * mn10300_sim.h: Remove decls for "insn" and "extension".
        * simops.c (OP_*): Accept "insn" and "extension" as arguments
        instead of using globals.
Starting to clean things up.
 1996-12-06 21:19:37 +00:00
Jeff Law e5a7a53799 * simops.c: Fix typos in "mov am,(d16,an)" and "mov am,(d32,an)" 
Fixes remaining hangs while running c-torture execution tests.
Only 12 c-torture execution failures left:

  * 920625-1.c fails all 6 execution tests.

  * 960521-1.c fails all 6 execution tests.
 1996-12-06 07:57:21 +00:00
Jeff Law 4d8ced6cb1 * simops.c: Fix thinkos in last change to "inc dn". 1996-12-06 05:30:24 +00:00
Jeff Law 61ecca95c0 * simops.c: "add imm,sp" does not effect the condition codes. 
"inc dn" does effect the condition codes.
Just something I noticed.
 1996-12-04 18:02:00 +00:00
Jeff Law e4e1302293 * simops.c: Treat both operands as signed values for 
"div" instruction.
Fixes another dozen c-torture execution failures.
 1996-12-04 05:00:49 +00:00
Jeff Law 20e1ab85bf * simops.c: Fix simulation of division instructions. 
Fix typos/thinkos in several "cmp" and "sub" instructions.
Another couple dozen c-torture failures fixed.
 1996-12-04 00:42:01 +00:00
Jeff Law 216e65571a * simomps.c: Fix carry bit handling in "sub" and "cmp" 
instructions.
Another dozen execution failures fixed.
 1996-12-02 20:12:08 +00:00
Jeff Law fcfaf40d78 * simops.c: Fix "mov imm8,an" and "mov imm16,dn". 
Fixes 80 or so c-torture execution failures.  400 to go.
 1996-12-02 19:35:55 +00:00
Jeff Law b7b89deb44 * simops.c: Fix overflow computation for many instructions. 
Fixes several hangs in the c-torture execution tests.  Also fixes about
40 failures.
 1996-12-02 08:35:20 +00:00
Jeff Law af388638ae * simops.c: Fix "movdm, an", "movbu dm, (an)", and "movhu dm, (an)". 
Along with some compiler, bfd, assembler changes this fixes 90 or so
c-torture execution failures.
 1996-12-02 07:38:10 +00:00
Jeff Law c8f0171f5f * simops.c: Fix "mov am, dn". 
Fixes more c-torture problems.
 1996-12-02 04:23:37 +00:00