diff options
Diffstat (limited to 'sem4/embedded/emb_m4/jrnl/regs.h')
| -rw-r--r-- | sem4/embedded/emb_m4/jrnl/regs.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/sem4/embedded/emb_m4/jrnl/regs.h b/sem4/embedded/emb_m4/jrnl/regs.h new file mode 100644 index 0000000..3f6ae03 --- /dev/null +++ b/sem4/embedded/emb_m4/jrnl/regs.h @@ -0,0 +1,81 @@ +#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 |