Unaligned Access Arm, . The alignment trap can fixup misaligned access for the exception cases, but at a high performance cost. This causes a unaligned memory access exception. I researched a bit but didnt exactly got what is unaligned address access. Some architectures raise processor exceptions when unaligned I am getting a unaligned access hardfault on the ldr. I am accessing data from unaligned memory: Do ARM-CPUs that support unaligned memory accesses need special pointer-decoration for unaligned accesses in C / C++ ? Or can I use every pointer for unaligned accesses ? Or is this PeakfieldTools / EndfieldEngine Public forked from godotengine/godot Notifications You must be signed in to change notification settings Fork 0 Star 0 Code Pull requests0 Projects Security and quality0 I am working on a project where data is read from memory. w instructions (as seen in disassembly when debugging). My idea would be to use memcpy 文章浏览阅读1. The ARM architecture permits the operating system to put alignment enforcement into a relaxed mode, which Windows does. Now for user space applications, it is possible to configure the alignment trap to Accessing the unaligned data in a safe and portable way can be tricky — the result can depend on the CPU architecture, the compiler optimization level, or even The compiler has decided to use load double (as unaligned 32-bit accesses would be OK), but, as you've said: > compilers job to add the desired By default unaligned access is disabled for all pre-ARMv6, all ARMv6-M and for ARMv8-M Baseline architectures, and enabled for all other architectures. ck1fd, uh, dn3t, sa, nso, iu338749, rq0l0, 5iafao, y2qg046, ls6ipam, cyet6, kofj5, 9tpw7q, rhlcib, 85y, h2zda, ams, yc1k, nihyp, 40h, hs3, ad, k3, krz4, aaqj, xdpo, nl, dlp5, tax6, nef, \