-/*
- * Do necessary setup to start up a newly executed thread.
- *
- * E1,E2 so that Interrupts are enabled in user mode
- * L set, so Loop inhibited to begin with
- * lp_start and lp_end seeded with bogus non-zero values so to easily catch
- * the ARC700 sr to lp_start hardware bug
- */
-#define start_thread(_regs, _pc, _usp) \
-do { \
- set_fs(USER_DS); /* reads from user space */ \
- (_regs)->ret = (_pc); \
- /* Interrupts enabled in User Mode */ \
- (_regs)->status32 = STATUS_U_MASK | STATUS_L_MASK \
- | STATUS_E1_MASK | STATUS_E2_MASK; \
- (_regs)->sp = (_usp); \
- /* bogus seed values for debugging */ \
- (_regs)->lp_start = 0x10; \
- (_regs)->lp_end = 0x80; \
-} while (0)