Commit Graph

5 Commits (c0c071d05279ec1429352200affc5c70bb4e5980)

Author SHA1 Message Date
Chen Gang fec7daab3d target-tilegx: Support iret instruction and related special registers
EX_CONTEXT_0_0 is used for jumping address, and EX_CONTEXT_0_1 is for
INTERRUPT_CRITICAL_SECTION, which should only be 0 or 1 in user mode, or
it will cause target SIGILL (and the patch doesn't support system mode).

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-10-07 20:24:04 +11:00
Richard Henderson 9ff5b57c21 target-tilegx: Implement complex multiply instructions
Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-10-07 20:03:14 +11:00
Richard Henderson ba1fc78f65 target-tilegx: Implement crc instructions
Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-10-07 20:03:14 +11:00
Richard Henderson 7f41a8d672 target-tilegx: Handle most bit manipulation instructions
The crc instructions are omitted from this set.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-09-15 07:45:33 -07:00
Chen Gang 5b212be632 target-tilegx: Add several helpers for instructions translation
The related instructions are exception, cntlz, cnttz, shufflebytes.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Message-Id: <BLU436-SMTP83F96FD8422BE49AFDC9DFB9660@phx.gbl>
[rth: Remove incorrect implementation of add_saturate.]
Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-09-15 07:41:36 -07:00