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| author | Peter Maydell <peter.maydell@linaro.org> | 2017-04-20 17:32:31 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2017-04-20 17:39:17 +0100 |
| commit | 064c379c99b835bdcc478d21a3849507ea07d53a (patch) | |
| tree | 1745c37ce5ffefa78d176681836e7f8e2db381fb /target/arm/translate.h | |
| parent | b636649f5a2e108413dd171edaf320f781f57942 (diff) | |
| download | qemu-064c379c99b835bdcc478d21a3849507ea07d53a.tar.gz | |
arm: Track M profile handler mode state in TB flags
For M profile exception-return handling we'd like to generate different
code for some instructions depending on whether we are in Handler
mode or Thread mode. This isn't the same as "are we privileged
or user", so we need an extra bit in the TB flags to distinguish.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 1491844419-12485-8-git-send-email-peter.maydell@linaro.org
Diffstat (limited to 'target/arm/translate.h')
| -rw-r--r-- | target/arm/translate.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/target/arm/translate.h b/target/arm/translate.h index abb0760158..3d0e8a6086 100644 --- a/target/arm/translate.h +++ b/target/arm/translate.h @@ -31,6 +31,7 @@ typedef struct DisasContext { bool vfp_enabled; /* FP enabled via FPSCR.EN */ int vec_len; int vec_stride; + bool v7m_handler_mode; /* Immediate value in AArch32 SVC insn; must be set if is_jmp == DISAS_SWI * so that top level loop can generate correct syndrome information. */ |