diff options
| author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2010-06-15 22:43:56 +0000 |
|---|---|---|
| committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2010-06-15 22:43:56 +0000 |
| commit | c86da31cb91c57efca2d37c2e9c2bbb1bdfd27b2 (patch) | |
| tree | 690e63ba934ee87a270f2396d9ae3d527c23a7d5 /cpukit/score/cpu/sparc64/README | |
| parent | 2010-06-15 Joel Sherrill <joel.sherrill@oarcorp.com> (diff) | |
| download | rtems-c86da31cb91c57efca2d37c2e9c2bbb1bdfd27b2.tar.bz2 | |
2010-06-15 Joel Sherrill <joel.sherrill@oarcorp.com>
PR 1561/cpukit
* .cvsignore, ChangeLog, Makefile.am, Makefile.in, README, context.S,
cpu.c, preinstall.am, rtems/asm.h, rtems/score/cpu.h,
rtems/score/sparc64.h, rtems/score/types.h: New files.
Diffstat (limited to 'cpukit/score/cpu/sparc64/README')
| -rw-r--r-- | cpukit/score/cpu/sparc64/README | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/cpukit/score/cpu/sparc64/README b/cpukit/score/cpu/sparc64/README new file mode 100644 index 0000000000..9da0c5e0ef --- /dev/null +++ b/cpukit/score/cpu/sparc64/README @@ -0,0 +1,15 @@ +# +# $Id$ +# + +A lot of explanation needed, will do when known. + +The score/cpu/sparc64 contains only code that can execute without accessing +privileged registers or using privileged instructions. This was done because +the privileged registers differ between the sun4u and sun4v models. + +The model specific and privileged code that would normally be found in +score/cpu/sparc64 resides in libcpu/sparc64/@RTEMS_CPU_MODEL@/score or in +libcpu/sparc64/shared/score directory. This is primarily the interrupt +handling code. + |