sem4/embedded/emb_m4/jrnl/regs.h


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#ifndef REGS_H
#define REGS_H

// Taken from Jens
#define PUSHREGS()                                                             \
    __asm__ volatile("push r1 \n"                                              \
                     "push r0 \n"                                              \
                     "in r0, __SREG__ \n"                                      \
                     "cli \n"                                                  \
                     "push r0 \n"                                              \
                     "cli \n"                                                  \
                     "push r2 \n"                                              \
                     "push r3 \n"                                              \
                     "push r4 \n"                                              \
                     "push r5 \n"                                              \
                     "push r6 \n"                                              \
                     "push r7 \n"                                              \
                     "push r8 \n"                                              \
                     "push r9 \n"                                              \
                     "push r10 \n"                                             \
                     "push r11 \n"                                             \
                     "push r12 \n"                                             \
                     "push r13 \n"                                             \
                     "push r14 \n"                                             \
                     "push r15 \n"                                             \
                     "push r16 \n"                                             \
                     "push r17 \n"                                             \
                     "push r18 \n"                                             \
                     "push r19 \n"                                             \
                     "push r20 \n"                                             \
                     "push r21 \n"                                             \
                     "push r22 \n"                                             \
                     "push r23 \n"                                             \
                     "push r24 \n"                                             \
                     "push r25 \n"                                             \
                     "push r26 \n"                                             \
                     "push r27 \n"                                             \
                     "push r28 \n"                                             \
                     "push r29 \n"                                             \
                     "push r30 \n"                                             \
                     "push r31 \n")

#define POPREGS()                                                              \
    __asm__ volatile("pop r31 \n"                                              \
                     "pop r30 \n"                                              \
                     "pop r29 \n"                                              \
                     "pop r28 \n"                                              \
                     "pop r27 \n"                                              \
                     "pop r26 \n"                                              \
                     "pop r25 \n"                                              \
                     "pop r24 \n"                                              \
                     "pop r23 \n"                                              \
                     "pop r22 \n"                                              \
                     "pop r21 \n"                                              \
                     "pop r20 \n"                                              \
                     "pop r19 \n"                                              \
                     "pop r18 \n"                                              \
                     "pop r17 \n"                                              \
                     "pop r16 \n"                                              \
                     "pop r15 \n"                                              \
                     "pop r14 \n"                                              \
                     "pop r13 \n"                                              \
                     "pop r12 \n"                                              \
                     "pop r11 \n"                                              \
                     "pop r10 \n"                                              \
                     "pop r9 \n"                                               \
                     "pop r8 \n"                                               \
                     "pop r7 \n"                                               \
                     "pop r6 \n"                                               \
                     "pop r5 \n"                                               \
                     "pop r4 \n"                                               \
                     "pop r3 \n"                                               \
                     "pop r2 \n"                                               \
                     "pop r0 \n"                                               \
                     "out __SREG__, r0 \n"                                     \
                     "pop r0 \n"                                               \
                     "pop r1 \n")

#endif