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sim: moxie: switch syscalls to common nltvals

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Rather than hand duplicate the syscall constants, switch to the
common nltvals framework.  I made sure the constants have the
same values before & after too :).
This commit is contained in:
Mike Frysinger
2021-04-18 22:48:31 -04:00
parent b7c5246bbf
commit f3d25569f1
6 changed files with 52 additions and 5 deletions
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5
sim/common/ChangeLog
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@ -1,3 +1,8 @@
2021-04-18 Mike Frysinger <vapier@gentoo.org>
* gennltvals.py (TARGETS): Add moxie.
* nltvals.def: Regenerate.
2021-04-18 Mike Frysinger <vapier@gentoo.org>
* gennltvals.py (TARGET_DIRS, TARGETS): Add sh.

1
sim/common/gennltvals.py
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@ -68,6 +68,7 @@ TARGETS = {
'mcore',
'mn10200',
'mn10300',
'moxie',
'msp430',
'pru',
'riscv',

31
sim/common/nltvals.def
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@ -546,6 +546,37 @@
/* end mn10300 sys target macros */
#endif
#endif
#ifdef NL_TARGET_moxie
#ifdef sys_defs
/* from syscall.h */
/* begin moxie sys target macros */
{ "SYS_argc", 22 },
{ "SYS_argn", 24 },
{ "SYS_argnlen", 23 },
{ "SYS_argv", 13 },
{ "SYS_argvlen", 12 },
{ "SYS_chdir", 14 },
{ "SYS_chmod", 16 },
{ "SYS_close", 3 },
{ "SYS_exit", 1 },
{ "SYS_fstat", 10 },
{ "SYS_getpid", 8 },
{ "SYS_gettimeofday", 19 },
{ "SYS_kill", 9 },
{ "SYS_link", 21 },
{ "SYS_lseek", 6 },
{ "SYS_open", 2 },
{ "SYS_read", 4 },
{ "SYS_reconfig", 25 },
{ "SYS_stat", 15 },
{ "SYS_time", 18 },
{ "SYS_times", 20 },
{ "SYS_unlink", 7 },
{ "SYS_utime", 17 },
{ "SYS_write", 5 },
/* end moxie sys target macros */
#endif
#endif
#ifdef NL_TARGET_msp430
#ifdef sys_defs
/* from syscall.h */

6
sim/moxie/ChangeLog
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@ -1,3 +1,9 @@
2021-04-18 Mike Frysinger <vapier@gentoo.org>
* Makefile.in (NL_TARGET): Define.
* interp.c: Include targ-vals.h.
(sim_engine_run): Change numeric literals to SYS_ constants.
2021-04-18 Mike Frysinger <vapier@gentoo.org>
* configure: Regenerate.

3
sim/moxie/Makefile.in
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@ -15,6 +15,9 @@
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# This selects the newlib/libgloss syscall definitions.
NL_TARGET = -DNL_TARGET_moxie
## COMMON_PRE_CONFIG_FRAG
DTC = @DTC@

11
sim/moxie/interp.c
View File

@ -33,6 +33,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "sim-base.h"
#include "sim-options.h"
#include "sim-io.h"
#include "targ-vals.h"
typedef int word;
typedef unsigned int uword;
@ -932,13 +933,13 @@ sim_engine_run (SIM_DESC sd,
cpu.asregs.sregs[3] = inum;
switch (inum)
{
case 0x1: /* SYS_exit */
case TARGET_SYS_exit:
{
sim_engine_halt (sd, scpu, NULL, pc, sim_exited,
cpu.asregs.regs[2]);
break;
}
case 0x2: /* SYS_open */
case TARGET_SYS_open:
{
char fname[1024];
int mode = (int) convert_target_flags ((unsigned) cpu.asregs.regs[3]);
@ -951,7 +952,7 @@ sim_engine_run (SIM_DESC sd,
cpu.asregs.regs[2] = fd;
break;
}
case 0x4: /* SYS_read */
case TARGET_SYS_read:
{
int fd = cpu.asregs.regs[2];
unsigned len = (unsigned) cpu.asregs.regs[4];
@ -962,7 +963,7 @@ sim_engine_run (SIM_DESC sd,
free (buf);
break;
}
case 0x5: /* SYS_write */
case TARGET_SYS_write:
{
char *str;
/* String length is at 0x12($fp) */
@ -975,7 +976,7 @@ sim_engine_run (SIM_DESC sd,
cpu.asregs.regs[2] = count;
break;
}
case 0x7: /* SYS_unlink */
case TARGET_SYS_unlink:
{
char fname[1024];
int fd;