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powerpc: Unify opcode definitions and support

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Create a new header that becomes a single location for defining PowerPC
opcodes used by code that is either generationg instructions
at runtime (fixups, debug, etc.), emulating instructions, or just
compiling instructions old assemblers don't know about.

We currently don't handle the floating point emulation or alignment decode
as both are better handled by the specific decode support they already
have.

Added support for the new dcbzl, dcbal, msgsnd, tlbilx, & wait instructions
since older assemblers don't know about them.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Kumar Gala
2009-02-10 20:10:44 +00:00
committed by Benjamin Herrenschmidt
parent bb9b903527
commit 16c57b3620
10 changed files with 106 additions and 61 deletions
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arch/powerpc/kernel/crash_dump.c
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@@ -48,7 +48,7 @@ static void __init create_trampoline(unsigned long addr)
* branch to "addr" we jump to ("addr" + 32 MB). Although it requires
* two instructions it doesn't require any registers.
*/
patch_instruction(p, PPC_NOP_INSTR);
patch_instruction(p, PPC_INST_NOP);
patch_branch(++p, addr + PHYSICAL_START, 0);
}