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disas: Implement disassembly output for A64

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Use libvixl to implement disassembly output in debug
logs for A64, for use with both AArch64 hosts and targets.

Signed-off-by: Claudio Fontana <claudio.fontana@linaro.org>
[PMM:
 * added support for target disassembly
 * switched to custom QEMUDisassembler so the output format
   matches what QEMU expects
 * make sure we correctly fall back to "just print hex"
   if we didn't build the AArch64 disassembler because of
   lack of a C++ compiler
 * rename from 'aarch64' to 'arm-a64' because this is a
   disassembler for the A64 instruction set
 * merge aarch64.c and aarch64-cxx.cc into one C++ file
 * simplify the aarch64.c<->aarch64-cxx.cc interface]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Claudio Fontana 2014-02-05 17:27:28 +00:00 • committed by Peter Maydell
parent 37fd5b53ba
commit 999b53ec87
7 changed files with 118 additions and 3 deletions
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2
target-arm/translate-a64.c
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@ -8105,7 +8105,7 @@ done_generating:
qemu_log("----------------\n");
qemu_log("IN: %s\n", lookup_symbol(pc_start));
log_target_disas(env, pc_start, dc->pc - pc_start,
dc->thumb | (dc->bswap_code << 1));
4 | (dc->bswap_code << 1));
qemu_log("\n");
}
#endif