54h pm s2ram use arm funcs #3405
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…uncs This reduced the amount of duplicate code and unifies the code with other platforms. MPU retention was originally added in ee9d239. Upstream PR #: 97073 Signed-off-by: Rubin Gerritsen <[email protected]>
…uncs This reduced the amount of duplicate code and unifies the code with other platforms. With this change fewer registers are stored and restored. See also comment in scb.h for scb_context stating that only essential registers are stored and restored. No longer stored: - ICSR - SCR - CFSR - HFSR - DFSR - MMFAR - BFAR - AFSR No longer used: - SHPR[3..12]. This backup register was declared in the wrong way. In core_cm33.h and core_cm4.h this is declared as an array of 12 uint8_t's. That is 3 uint32_t's. Orignal SCB retention was added in 2055f7d. Upstream PR #: 97073 Signed-off-by: Rubin Gerritsen <[email protected]>
…uncs This reduced the amount of duplicate code and unifies the code with other platforms. With this change the caller and callee status registers are stored separately. Also, a different set of status registers are stored: - FPSCR instead of FPDSCR. FPDSCR contains the default values to be assigned to FPSCR when a new floating-point context is created. It therefore seems more correct to store the FPSCR. - FPCCR and FPCAR are no longer stored. FPU retention was originally added in: 8a5365c. Upstream PR #: 97073 Signed-off-by: Rubin Gerritsen <[email protected]>
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