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| author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2001-04-24 20:49:11 +0000 |
|---|---|---|
| committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2001-04-24 20:49:11 +0000 |
| commit | f077f3322db0d417e235bb32d4d1005fa6492ffa (patch) | |
| tree | 60771dbb41727264fda468e0a43770d6c04dc44c /c | |
| parent | 2000-04-23 Jiri Gaisler <jiri@gaisler.com> (diff) | |
| download | rtems-f077f3322db0d417e235bb32d4d1005fa6492ffa.tar.bz2 | |
2000-04-23 Jiri Gaisler <jiri@gaisler.com>
* start.S: Modificatins to preserve the current CWP and adjust the
WIM accordingly. This improves compatibility with the remote
debugger and the mkprom prom-builder.
Diffstat (limited to 'c')
| -rw-r--r-- | c/src/lib/libbsp/sparc/shared/ChangeLog | 6 | ||||
| -rw-r--r-- | c/src/lib/libbsp/sparc/shared/start.S | 14 |
2 files changed, 15 insertions, 5 deletions
diff --git a/c/src/lib/libbsp/sparc/shared/ChangeLog b/c/src/lib/libbsp/sparc/shared/ChangeLog index 5331663d7a..775a73f39d 100644 --- a/c/src/lib/libbsp/sparc/shared/ChangeLog +++ b/c/src/lib/libbsp/sparc/shared/ChangeLog @@ -1,3 +1,9 @@ +2000-04-23 Jiri Gaisler <jiri@gaisler.com> + + * start.S: Modificatins to preserve the current CWP and adjust the + WIM accordingly. This improves compatibility with the remote + debugger and the mkprom prom-builder. + 2000-11-13 Jiri Gaisler <jgais@ws.estec.esa.nl> * ChangeLog, .cvsignore, Makefile.am, bspclean.c, bspstart.c, diff --git a/c/src/lib/libbsp/sparc/shared/start.S b/c/src/lib/libbsp/sparc/shared/start.S index a84ed75e2d..2d17a8a8b8 100644 --- a/c/src/lib/libbsp/sparc/shared/start.S +++ b/c/src/lib/libbsp/sparc/shared/start.S @@ -199,14 +199,18 @@ SYM(hard_reset): /* Common initialisation */ - set SYM(trap_table), %g1 ! Initialize TBR + set SYM(trap_table), %g1 ! Initialize TBR mov %g1, %tbr - set WIM_INIT, %g1 ! Initialize WIM - mov %g1, %wim + mov %psr, %g1 ! Initialize WIM + add %g1, 1, %g2 + and %g2, 0x7, %g2 + set 1, %g3 + sll %g3, %g2, %g3 + mov %g3, %wim - set PSR_INIT, %g1 - wr %g1, 0x20, %psr ! enable traps + or %g1, 0x20, %g1 + wr %g1, %psr ! enable traps nop nop |