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| author | Chen Gang <gang.chen.5i5j@gmail.com> | 2015-10-04 17:41:14 +0800 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2015-10-07 20:24:04 +1100 |
| commit | fec7daab3d63b7b2ca61581fffc40142b22b2bd5 (patch) | |
| tree | 265ec0eb27679df78f101410447fb1376627a405 /target-tilegx/cpu.h | |
| parent | 77b3adc0012153e629b48b710ad19a8b544bb507 (diff) | |
| download | qemu-fec7daab3d63b7b2ca61581fffc40142b22b2bd5.tar.gz | |
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>
Diffstat (limited to 'target-tilegx/cpu.h')
| -rw-r--r-- | target-tilegx/cpu.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/target-tilegx/cpu.h b/target-tilegx/cpu.h index 6f04fe7fb2..6c0fd5365d 100644 --- a/target-tilegx/cpu.h +++ b/target-tilegx/cpu.h @@ -53,6 +53,8 @@ enum { TILEGX_SPR_CMPEXCH = 0, TILEGX_SPR_CRITICAL_SEC = 1, TILEGX_SPR_SIM_CONTROL = 2, + TILEGX_SPR_EX_CONTEXT_0_0 = 3, + TILEGX_SPR_EX_CONTEXT_0_1 = 4, TILEGX_SPR_COUNT }; |