*/
.macro __SAVE_REGFILE_SOFT
- ST2 gp, fp, PT_r26 ; gp (r26), fp (r27)
-
- st r12, [sp, PT_r12]
+ st fp, [sp, PT_fp] ; r27
st r30, [sp, PT_r30]
+ st r12, [sp, PT_r12]
+ st r26, [sp, PT_r26] ; gp
; Saving pt_regs->sp correctly requires some extra work due to the way
; Auto stack switch works
/*------------------------------------------------------------------------*/
.macro __RESTORE_REGFILE_SOFT
- LD2 gp, fp, PT_r26 ; gp (r26), fp (r27)
-
- ld r12, [sp, PT_r12]
+ ld fp, [sp, PT_fp]
ld r30, [sp, PT_r30]
+ ld r12, [sp, PT_r12]
+ ld r26, [sp, PT_r26]
; Restore SP (into AUX_USER_SP) only if returning to U mode
; - for K mode, it will be implicitly restored as stack is unwound
unsigned long bta; /* erbta */
- unsigned long r26; /* gp */
unsigned long fp;
- unsigned long sp; /* user/kernel sp depending on where we came from */
-
- unsigned long r12, r30;
+ unsigned long r30;
+ unsigned long r12;
+ unsigned long r26; /* gp */
#ifdef CONFIG_ARC_HAS_ACCL_REGS
unsigned long r58, r59; /* ACCL/ACCH used by FPU / DSP MPY */
unsigned long DSP_CTRL;
#endif
+ unsigned long sp; /* user/kernel sp depending on entry */
+
/*------- Below list auto saved by h/w -----------*/
unsigned long r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11;
DEFINE(PT_r26, offsetof(struct pt_regs, r26));
DEFINE(PT_ret, offsetof(struct pt_regs, ret));
DEFINE(PT_blink, offsetof(struct pt_regs, blink));
+ OFFSET(PT_fp, pt_regs, fp);
DEFINE(PT_lpe, offsetof(struct pt_regs, lp_end));
DEFINE(PT_lpc, offsetof(struct pt_regs, lp_count));
- DEFINE(SZ_CALLEE_REGS, sizeof(struct callee_regs));
- DEFINE(SZ_PT_REGS, sizeof(struct pt_regs));
-
#ifdef CONFIG_ISA_ARCV2
OFFSET(PT_r12, pt_regs, r12);
OFFSET(PT_r30, pt_regs, r30);
OFFSET(PT_DSP_CTRL, pt_regs, DSP_CTRL);
#endif
+ DEFINE(SZ_CALLEE_REGS, sizeof(struct callee_regs));
+ DEFINE(SZ_PT_REGS, sizeof(struct pt_regs));
+
return 0;
}