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As per the spec:
the PARAMETER REGISTER contains the address of a pointer to a
four-field data block.
So we need to follow arg0 and place the results of SYS_HEAPINFO there.
Fixes: 3c37cfe0b1 ("semihosting: Change internal common-semi interfaces to use CPUState *")
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Cc: Bug 1915925 <1915925@bugs.launchpad.net>
Cc: Keith Packard <keithp@keithp.com>
Bug: https://bugs.launchpad.net/bugs/1915925
Message-Id: <20210323165308.15244-8-alex.bennee@linaro.org>
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>>>From the semihosting point of view what we want to know is the current
mode of the processor. Unify this into a single helper and allow us to
use the same GET/SET_ARG helpers for the rest of the code. Having the
helper will also be useful later.
Note: we aren't currently testing riscv32 due to missing toolchain for
check-tcg tests.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Keith Packard <keithp@keithp.com>
Message-Id: <20210323165308.15244-7-alex.bennee@linaro.org>
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With the exception of hw/core/, the hw/ directory only contains
device models used in system emulation. Semihosting is also used
by user emulation. As a generic feature, move it out of hw/ directory.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210226131356.3964782-3-f4bug@amsat.org>
Message-Id: <20210305135451.15427-3-alex.bennee@linaro.org>
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