diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2018-10-08 14:55:04 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2018-10-08 14:55:04 +0100 |
| commit | 5520318939fea5d659bf808157cd726cb967b761 (patch) | |
| tree | 4f3e000a0fcf84469fda89278cba5fcd7d5d4361 /target/arm/helper.h | |
| parent | 5529bf188d996391ff52a0e1801daf9c6a6bfcb0 (diff) | |
target/arm: Add v8M stack checks on ADD/SUB/MOV of SP
Add code to insert calls to a helper function to do the stack
limit checking when we handle these forms of instruction
that write to SP:
* ADD (SP plus immediate)
* ADD (SP plus register)
* SUB (SP minus immediate)
* SUB (SP minus register)
* MOV (register)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20181002163556.10279-5-peter.maydell@linaro.org
Diffstat (limited to 'target/arm/helper.h')
| -rw-r--r-- | target/arm/helper.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/target/arm/helper.h b/target/arm/helper.h index 59e8c3bd1b..8c9590091b 100644 --- a/target/arm/helper.h +++ b/target/arm/helper.h @@ -69,6 +69,8 @@ DEF_HELPER_2(v7m_blxns, void, env, i32) DEF_HELPER_3(v7m_tt, i32, env, i32, i32) +DEF_HELPER_2(v8m_stackcheck, void, env, i32) + DEF_HELPER_4(access_check_cp_reg, void, env, ptr, i32, i32) DEF_HELPER_3(set_cp_reg, void, env, ptr, i32) DEF_HELPER_2(get_cp_reg, i32, env, ptr) |