OpenE2K
/
binutils-gdb
12
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
43,174 Commits 4 Branches 0 Tags 364 MiB
Commit Graph

200 Commits

Author SHA1 Message Date
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
David Edelsohn 19c5af72af * Makefile.in (@COMMON_MAKEFILE_FRAG): Use 
COMMON_{PRE,POST}_CONFIG_FRAG instead.
	* configure.in: sinclude ../common/aclocal.m4.
	* configure: Regenerated.
 1997-02-04 21:42:27 +00:00
Stu Grossman ae0d7848d8 * ../common/aclocal.m4 (COMMON_MAKEFILE_FRAG): Quote a couple of $'s in 
comments and single quotes.  Fixes a problem found on hpux.
 1997-01-24 18:44:29 +00:00
Jeff Law 018f9eb41f * interp.c (init_system): Allocate 2^19 bytes of space for the 
simulator.
To match the linker.
 1997-01-24 17:48:35 +00:00
Stu Grossman a695143eae * configure: Remove targ-vals.def when doing distclean. (Change 
is actually in ../common/aclocal.m4.)
 1997-01-24 00:44:03 +00:00
Stu Grossman 2757866e9e * configure: Remove Make-common.in from dependencies. (Actually in 
../common/aclocal.m4).
 1997-01-24 00:04:57 +00:00
Stu Grossman 295dbbe44c * configure configure.in Makefile.in: Update to new configure 
scheme which is more compatible with WinGDB builds.
	* configure.in:  Improve comment on how to run autoconf.
	* configure:  Re-run autoconf to get new ../common/aclocal.m4.
	* Makefile.in:  Use autoconf substitution to install common
	makefile fragment.
 1997-01-23 22:09:52 +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 bbd1706224 * mn10300_sim.h (struct _state): Fix number of registers! 
Just something I noticed while working on the mn10200 simulator.
 1997-01-06 23:25:53 +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 191c9d73de * gencode.c (write_opcodes): Also write out the format of the 
opcode.
        * mn10300_sim.h (simops): Add "format" field.
        * interp.c (sim_resume): Deal with endianness issues here.
 1996-12-11 16:58:33 +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 fc038f5656 Opps. Forgot something in last change. 1996-12-06 21:20:17 +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
Jeff Law 6db7fc49d2 * simops.c: Fix more bugs in "add imm,an" and 
"add imm,dn".
Fixes a half-dozen (of several hundred :( c-torture failures.
 1996-12-01 23:10:04 +00:00
Jeff Law 6e7a01c144 * simops.c: Fix bugs in "movm" and "add imm,an". 
main(){write (0, "hello world\n", 13);} works!
 1996-11-27 23:20:24 +00:00
Jeff Law 3bb3fe44e0 * simops.c: Don't lose the upper 24 bits of the return 
pointer in "call" and "calls" instructions.  Rough cut
        at emulated system calls.
 1996-11-27 18:36:54 +00:00
Jeff Law de0dce7c5c * simops.c: Implement the remaining 5, 6 and 7 byte instructions. 
Everything except the extended instructions, the loop instructions,
trap, rti, and rtm.
 1996-11-27 17:56:10 +00:00
Jeff Law ecb4b5a357 * simops.c Implement remaining 4 byte instructions. 1996-11-27 17:19:44 +00:00
Jeff Law 2e35551c74 * simops.c Implement remaining 3 byte instructions. 
Moving right along...
 1996-11-27 16:51:30 +00:00
Jeff Law f5f13c1d73 * simops.c: Implement remaining 2 byte instructions. Call 
abort for instructions we're not implementing now.
 1996-11-27 16:25:03 +00:00
Jeff Law 707641f658 * simops.c: Implement lots of random instructions. 
Implments most instructions with first nibble 0x0 - 0xe and
those with the first byte 0xf0 - 0xf2.
 1996-11-27 07:20:36 +00:00
Jeff Law 1f3bea2169 * simops.c: Implement "movm" and "bCC" insns. 
Function calls and conditional branches work!
 1996-11-27 05:29:49 +00:00
Jeff Law 92284aaa35 * mn10300_sim.h (_state): Add another register (MDR). 
(REG_MDR): Define.
        * simops.c: Implement "cmp", "calls", "rets", "jmp" and
        a few additional random insns.
We can now function calls.  We get out of crt0 into main now, then lose
when calls are nested (because don't handle movm yet).
 1996-11-27 00:53:25 +00:00
Jeff Law 73e6529893 * mn10300_sim.h (PSW_*): Define for CC status tracking. 
(REG_D0, REG_A0, REG_SP): Define.
        * simops.c: Implement "add", "addc" and a few other random
        instructions.
Starting to simulate instructions for the mn10300.  Executes some of
the crt0 code now!
 1996-11-26 22:58:24 +00:00
Jeff Law b5f831ac51 * gencode.c, interp.c: Snapshot current simulator code. 
(crude) hashing works, along with dispatch to the OP_* functions.
 1996-11-26 20:40:19 +00:00
Jeff Law 05ccbdfdd2 * Makefile.in, config.in, configure, configure.in: New files. 
* gencode.c, interp.c, mn10300_sim.h, simops.c: New files.

Skeleton mn10300 simulator
 1996-11-25 19:52:08 +00:00