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| author | Joel Sherrill <joel.sherrill@OARcorp.com> | 1995-08-23 19:30:23 +0000 |
|---|---|---|
| committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 1995-08-23 19:30:23 +0000 |
| commit | 3235ad9a2cd717df901853ad5220a4aaffae84a9 (patch) | |
| tree | f73a01d8c3065188a3ab283cf545b3ce7bc4f696 /c/src/lib/libcpu/powerpc/ppc403/vectors/README | |
| parent | Added file .. fixed RCS Id (diff) | |
| download | rtems-3235ad9a2cd717df901853ad5220a4aaffae84a9.tar.bz2 | |
Support for variable length names added to Object Handler. This supports
both fixed length "raw" names and strings from the API's point of view.
Both inline and macro implementations were tested.
Diffstat (limited to 'c/src/lib/libcpu/powerpc/ppc403/vectors/README')
| -rw-r--r-- | c/src/lib/libcpu/powerpc/ppc403/vectors/README | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/c/src/lib/libcpu/powerpc/ppc403/vectors/README b/c/src/lib/libcpu/powerpc/ppc403/vectors/README new file mode 100644 index 0000000000..02ab163dfd --- /dev/null +++ b/c/src/lib/libcpu/powerpc/ppc403/vectors/README @@ -0,0 +1,21 @@ +The location of the vectors file object is critical. + +From the comments at the head of vectors.s: + + The issue with this file is getting it loaded at the right place. + The first vector MUST be at address 0x????0100. + How this is achieved is dependant on the tool chain. + + However the basic mechanism for ELF assemblers is to create a + section called ".vectors", which will be loaded to an address + between 0x????0000 and 0x????0100 (inclusive) via a link script. + + The basic mechanism for XCOFF assemblers is to place it in the + normal text section, and arrange for this file to be located + at an appropriate position on the linker command line. + + The variable 'PPC_VECTOR_FILE_BASE' must be defined to be the + offset from 0x????0000 to the first location in the file. This + will usually be 0x0000 or 0x0100. + +Andrew Bray 18/8/1995 |