commit | fec7daab3d63b7b2ca61581fffc40142b22b2bd5 | [log] [tgz] |
---|---|---|
author | Chen Gang <gang.chen.5i5j@gmail.com> | Sun Oct 04 17:41:14 2015 +0800 |
committer | Richard Henderson <rth@twiddle.net> | Wed Oct 07 20:24:04 2015 +1100 |
tree | 265ec0eb27679df78f101410447fb1376627a405 | |
parent | 77b3adc0012153e629b48b710ad19a8b544bb507 [diff] |
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>