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When a 64-bit processor is executing in 32-bit mode, the update forms of load and store instructions are required by the architecture to write the full 64-bit effective address into the RA register, though only the bottom 32 bits are used to address memory. Currently, the instruction emulation code writes the truncated address to the RA register. This fixes it by keeping the full 64-bit EA in the instruction_op structure, truncating the address in emulate_step() where it is used to address memory, rather than in the address computations in analyse_instr(). Signed-off-by: Paul Mackerras <paulus@ozlabs.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.