- /**
- * Initialization value for registers in stack frame.
- * The register index is not directly corrispondent to CPU
- * register numbers, but is related to how are pushed to
- * stack (\see asm_switch_context).
- * Index (CPU_SAVED_REGS_CNT - 1) is the CPSR register,
- * the initial value is set to:
- * - All flags (N, Z, C, V) set to 0.
- * - IRQ and FIQ enabled.
- * - ARM state.
- * - CPU in Supervisor Mode (SVC).
- */
- #define CPU_REG_INIT_VALUE(reg) \
- ({ int a = 0; \
- if(reg == 0) \
- a = (int)proc_exit; \
- else if(reg == (CPU_SAVED_REGS_CNT - 1)) \
- a = 0x13; \
- a; \
- })
-