diff options
Diffstat (limited to 'arch/ia64/kernel/entry.h')
-rw-r--r-- | arch/ia64/kernel/entry.h | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/arch/ia64/kernel/entry.h b/arch/ia64/kernel/entry.h deleted file mode 100644 index 6463dc316263..000000000000 --- a/arch/ia64/kernel/entry.h +++ /dev/null @@ -1,83 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ - -/* - * Preserved registers that are shared between code in ivt.S and - * entry.S. Be careful not to step on these! - */ -#define PRED_LEAVE_SYSCALL 1 /* TRUE iff leave from syscall */ -#define PRED_KERNEL_STACK 2 /* returning to kernel-stacks? */ -#define PRED_USER_STACK 3 /* returning to user-stacks? */ -#define PRED_SYSCALL 4 /* inside a system call? */ -#define PRED_NON_SYSCALL 5 /* complement of PRED_SYSCALL */ - -#ifdef __ASSEMBLY__ -# define PASTE2(x,y) x##y -# define PASTE(x,y) PASTE2(x,y) - -# define pLvSys PASTE(p,PRED_LEAVE_SYSCALL) -# define pKStk PASTE(p,PRED_KERNEL_STACK) -# define pUStk PASTE(p,PRED_USER_STACK) -# define pSys PASTE(p,PRED_SYSCALL) -# define pNonSys PASTE(p,PRED_NON_SYSCALL) -#endif - -#define PT(f) (IA64_PT_REGS_##f##_OFFSET) -#define SW(f) (IA64_SWITCH_STACK_##f##_OFFSET) -#define SOS(f) (IA64_SAL_OS_STATE_##f##_OFFSET) - -#define PT_REGS_SAVES(off) \ - .unwabi 3, 'i'; \ - .fframe IA64_PT_REGS_SIZE+16+(off); \ - .spillsp rp, PT(CR_IIP)+16+(off); \ - .spillsp ar.pfs, PT(CR_IFS)+16+(off); \ - .spillsp ar.unat, PT(AR_UNAT)+16+(off); \ - .spillsp ar.fpsr, PT(AR_FPSR)+16+(off); \ - .spillsp pr, PT(PR)+16+(off); - -#define PT_REGS_UNWIND_INFO(off) \ - .prologue; \ - PT_REGS_SAVES(off); \ - .body - -#define SWITCH_STACK_SAVES(off) \ - .savesp ar.unat,SW(CALLER_UNAT)+16+(off); \ - .savesp ar.fpsr,SW(AR_FPSR)+16+(off); \ - .spillsp f2,SW(F2)+16+(off); .spillsp f3,SW(F3)+16+(off); \ - .spillsp f4,SW(F4)+16+(off); .spillsp f5,SW(F5)+16+(off); \ - .spillsp f16,SW(F16)+16+(off); .spillsp f17,SW(F17)+16+(off); \ - .spillsp f18,SW(F18)+16+(off); .spillsp f19,SW(F19)+16+(off); \ - .spillsp f20,SW(F20)+16+(off); .spillsp f21,SW(F21)+16+(off); \ - .spillsp f22,SW(F22)+16+(off); .spillsp f23,SW(F23)+16+(off); \ - .spillsp f24,SW(F24)+16+(off); .spillsp f25,SW(F25)+16+(off); \ - .spillsp f26,SW(F26)+16+(off); .spillsp f27,SW(F27)+16+(off); \ - .spillsp f28,SW(F28)+16+(off); .spillsp f29,SW(F29)+16+(off); \ - .spillsp f30,SW(F30)+16+(off); .spillsp f31,SW(F31)+16+(off); \ - .spillsp r4,SW(R4)+16+(off); .spillsp r5,SW(R5)+16+(off); \ - .spillsp r6,SW(R6)+16+(off); .spillsp r7,SW(R7)+16+(off); \ - .spillsp b0,SW(B0)+16+(off); .spillsp b1,SW(B1)+16+(off); \ - .spillsp b2,SW(B2)+16+(off); .spillsp b3,SW(B3)+16+(off); \ - .spillsp b4,SW(B4)+16+(off); .spillsp b5,SW(B5)+16+(off); \ - .spillsp ar.pfs,SW(AR_PFS)+16+(off); .spillsp ar.lc,SW(AR_LC)+16+(off); \ - .spillsp @priunat,SW(AR_UNAT)+16+(off); \ - .spillsp ar.rnat,SW(AR_RNAT)+16+(off); \ - .spillsp ar.bspstore,SW(AR_BSPSTORE)+16+(off); \ - .spillsp pr,SW(PR)+16+(off) - -#define DO_SAVE_SWITCH_STACK \ - movl r28=1f; \ - ;; \ - .fframe IA64_SWITCH_STACK_SIZE; \ - adds sp=-IA64_SWITCH_STACK_SIZE,sp; \ - mov.ret.sptk b7=r28,1f; \ - SWITCH_STACK_SAVES(0); \ - br.cond.sptk.many save_switch_stack; \ -1: - -#define DO_LOAD_SWITCH_STACK \ - movl r28=1f; \ - ;; \ - invala; \ - mov.ret.sptk b7=r28,1f; \ - br.cond.sptk.many load_switch_stack; \ -1: .restore sp; \ - adds sp=IA64_SWITCH_STACK_SIZE,sp |