include/asm/processor.h

6  * Copyright (C) 2001 - 2008 Tensilica Inc.
53  * kernel, double); and their specific causes are reported via DEBUGCAUSE
62  * We use DEPC also as a flag to distinguish between double and regular
65  * valid double exception address.
83  * general-purpose interrupts.
86 #define LOCKLEVEL (PROFILING_INTLEVEL - 1)
98 #define WBBITS  (XCHAL_NUM_AREGS_LOG2 - 2) /* width of WINDOWBASE in bits */
118  * Note: 'text' is the address within the same 1GB range as the ra
139  * pointer sp. reg must be in the range [0..4).
141 #define SPILL_SLOT(sp, reg) (*(((unsigned long *)(sp)) - 4 + (reg)))
144  * pointer sp for the call8. reg must be in the range [4..8).
146 #define SPILL_SLOT_CALL8(sp, reg) (*(((unsigned long *)(sp)) - 12 + (reg)))
149  * pointer sp for the call12. reg must be in the range [4..12).
151 #define SPILL_SLOT_CALL12(sp, reg) (*(((unsigned long *)(sp)) - 16 + (reg)))
181  * Note: When windowed ABI is used for userspace we set-up ps
200 		unsigned long syscall = (regs)->syscall; \
202 		memcpy(current_aregs, (regs)->areg, sizeof(current_aregs)); \
204 		(regs)->pc = (new_pc); \
205 		(regs)->ps = USER_PS_VALUE; \
206 		memcpy((regs)->areg, current_aregs, sizeof(current_aregs)); \
207 		(regs)->areg[1] = (new_sp); \
208 		(regs)->areg[0] = 0; \
209 		(regs)->wmask = 1; \
210 		(regs)->depc = 0; \
211 		(regs)->windowbase = 0; \
212 		(regs)->windowstart = 1; \
213 		(regs)->syscall = syscall; \
225 #define KSTK_EIP(tsk)		(task_pt_regs(tsk)->pc)
226 #define KSTK_ESP(tsk)		(task_pt_regs(tsk)->areg[1])