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author | Andreas Sandberg <andreas.sandberg@arm.com> | 2018-02-13 18:03:32 +0000 |
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committer | Andreas Sandberg <andreas.sandberg@arm.com> | 2018-02-19 14:24:46 +0000 |
commit | 3b25b7cc64035b181d139b90abb692f5eda935a5 (patch) | |
tree | 3d7ab1c3bea654735e0be6569062700ad7265887 /src/arch/arm/semihosting.hh | |
parent | 7b96fc2456d71d0df2700384ab44c1ed01be2f03 (diff) | |
download | gem5-3b25b7cc64035b181d139b90abb692f5eda935a5.tar.xz |
arch-arm: Add support for secure state in semihosting
The semihosting component currently issues non-secure memory accesses
using the standard port proxy. This doesn't work when the guest is
running in secure state.
Change-Id: Id34b142cfcd9d77b455c040ae7f7397c29aebbc6
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Jack Travaglini <giacomo.travaglini@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/8365
Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Diffstat (limited to 'src/arch/arm/semihosting.hh')
-rw-r--r-- | src/arch/arm/semihosting.hh | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/arch/arm/semihosting.hh b/src/arch/arm/semihosting.hh index a4aa845a3..14c5f9d2d 100644 --- a/src/arch/arm/semihosting.hh +++ b/src/arch/arm/semihosting.hh @@ -48,6 +48,7 @@ #include "sim/sim_object.hh" struct ArmSemihostingParams; +class PortProxy; class SerialDevice; class ThreadContext; @@ -253,8 +254,11 @@ class ArmSemihosting : public SimObject return tick >> tickShift; } void semiExit(uint64_t code, uint64_t subcode); + PortProxy &physProxy(ThreadContext *tc); std::string readString(ThreadContext *tc, Addr ptr, size_t len); + std::unique_ptr<PortProxy> physProxyS; + private: typedef std::pair<uint64_t, SemiErrno> RetErrno; static constexpr RetErrno retError(SemiErrno e) { |