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1276 |
phoenix |
/* $Id: ttable.h,v 1.1.1.1 2004-04-15 03:00:59 phoenix Exp $ */
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#ifndef _SPARC64_TTABLE_H
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#define _SPARC64_TTABLE_H
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#include <linux/config.h>
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#include <asm/asm_offsets.h>
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#include <asm/utrap.h>
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#define BOOT_KERNEL b sparc64_boot; nop; nop; nop; nop; nop; nop; nop;
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/* We need a "cleaned" instruction... */
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#define CLEAN_WINDOW \
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rdpr %cleanwin, %l0; add %l0, 1, %l0; \
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wrpr %l0, 0x0, %cleanwin; \
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clr %o0; clr %o1; clr %o2; clr %o3; \
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clr %o4; clr %o5; clr %o6; clr %o7; \
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clr %l0; clr %l1; clr %l2; clr %l3; \
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clr %l4; clr %l5; clr %l6; clr %l7; \
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retry; \
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nop;nop;nop;nop;nop;nop;nop;nop;nop;nop;nop;nop;
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#define TRAP(routine) \
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sethi %hi(109f), %g7; \
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ba,pt %xcc, etrap; \
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109: or %g7, %lo(109b), %g7; \
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call routine; \
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add %sp, PTREGS_OFF, %o0; \
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ba,pt %xcc, rtrap; \
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clr %l6; \
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nop;
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#define TRAP_7INSNS(routine) \
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sethi %hi(109f), %g7; \
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ba,pt %xcc, etrap; \
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109: or %g7, %lo(109b), %g7; \
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call routine; \
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add %sp, PTREGS_OFF, %o0; \
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ba,pt %xcc, rtrap; \
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clr %l6;
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#define TRAP_SAVEFPU(routine) \
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sethi %hi(109f), %g7; \
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ba,pt %xcc, do_fptrap; \
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109: or %g7, %lo(109b), %g7; \
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call routine; \
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add %sp, PTREGS_OFF, %o0; \
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ba,pt %xcc, rtrap; \
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clr %l6; \
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nop;
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#define TRAP_NOSAVE(routine) \
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ba,pt %xcc, routine; \
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nop; \
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nop; nop; nop; nop; nop; nop;
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#define TRAP_NOSAVE_7INSNS(routine) \
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ba,pt %xcc, routine; \
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nop; \
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nop; nop; nop; nop; nop;
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#define TRAPTL1(routine) \
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sethi %hi(109f), %g7; \
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ba,pt %xcc, etraptl1; \
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109: or %g7, %lo(109b), %g7; \
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call routine; \
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add %sp, PTREGS_OFF, %o0; \
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ba,pt %xcc, rtrap; \
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clr %l6; \
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nop;
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#define TRAP_ARG(routine, arg) \
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sethi %hi(109f), %g7; \
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ba,pt %xcc, etrap; \
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109: or %g7, %lo(109b), %g7; \
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add %sp, PTREGS_OFF, %o0; \
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call routine; \
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mov arg, %o1; \
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ba,pt %xcc, rtrap; \
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clr %l6;
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#define TRAPTL1_ARG(routine, arg) \
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sethi %hi(109f), %g7; \
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ba,pt %xcc, etraptl1; \
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109: or %g7, %lo(109b), %g7; \
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add %sp, PTREGS_OFF, %o0; \
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call routine; \
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mov arg, %o1; \
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ba,pt %xcc, rtrap; \
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clr %l6;
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#define SYSCALL_TRAP(routine, systbl) \
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sethi %hi(109f), %g7; \
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ba,pt %xcc, scetrap; \
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109: or %g7, %lo(109b), %g7; \
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ba,pt %xcc, routine; \
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sethi %hi(systbl), %l7; \
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nop; nop; nop;
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#define INDIRECT_SOLARIS_SYSCALL(num) \
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sethi %hi(109f), %g7; \
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ba,pt %xcc, etrap; \
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109: or %g7, %lo(109b), %g7; \
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ba,pt %xcc, tl0_solaris + 0xc; \
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mov num, %g1; \
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nop;nop;nop;
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#define TRAP_UTRAP(handler,lvl) \
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ldx [%g6 + AOFF_task_thread + AOFF_thread_utraps], %g1; \
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sethi %hi(109f), %g7; \
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brz,pn %g1, utrap; \
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or %g7, %lo(109f), %g7; \
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ba,pt %xcc, utrap; \
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109: ldx [%g1 + handler*8], %g1; \
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ba,pt %xcc, utrap_ill; \
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mov lvl, %o1;
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#ifdef CONFIG_SUNOS_EMUL
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#define SUNOS_SYSCALL_TRAP SYSCALL_TRAP(linux_sparc_syscall32, sunos_sys_table)
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#else
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#define SUNOS_SYSCALL_TRAP TRAP(sunos_syscall)
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#endif
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#define LINUX_32BIT_SYSCALL_TRAP SYSCALL_TRAP(linux_sparc_syscall32, sys_call_table32)
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#define LINUX_64BIT_SYSCALL_TRAP SYSCALL_TRAP(linux_sparc_syscall, sys_call_table64)
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#define GETCC_TRAP TRAP(getcc)
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#define SETCC_TRAP TRAP(setcc)
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#ifdef CONFIG_SOLARIS_EMUL
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#define SOLARIS_SYSCALL_TRAP TRAP(solaris_sparc_syscall)
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#else
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#define SOLARIS_SYSCALL_TRAP TRAP(solaris_syscall)
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#endif
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/* FIXME: Write these actually */
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#define NETBSD_SYSCALL_TRAP TRAP(netbsd_syscall)
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#define BREAKPOINT_TRAP TRAP(breakpoint_trap)
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#define TRAP_IRQ(routine, level) \
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rdpr %pil, %g2; \
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wrpr %g0, 15, %pil; \
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b,pt %xcc, etrap_irq; \
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rd %pc, %g7; \
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mov level, %o0; \
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call routine; \
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add %sp, PTREGS_OFF, %o1; \
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ba,a,pt %xcc, rtrap_clr_l6;
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#define TICK_SMP_IRQ \
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rdpr %pil, %g2; \
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wrpr %g0, 15, %pil; \
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sethi %hi(109f), %g7; \
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b,pt %xcc, etrap_irq; \
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109: or %g7, %lo(109b), %g7; \
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call smp_percpu_timer_interrupt; \
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add %sp, PTREGS_OFF, %o0; \
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ba,a,pt %xcc, rtrap_clr_l6;
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#define TRAP_IVEC TRAP_NOSAVE(do_ivec)
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#define BTRAP(lvl) TRAP_ARG(bad_trap, lvl)
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#define BTRAPTL1(lvl) TRAPTL1_ARG(bad_trap_tl1, lvl)
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#define FLUSH_WINDOW_TRAP \
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ba,pt %xcc, etrap; \
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rd %pc, %g7; \
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flushw; \
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ldx [%sp + PTREGS_OFF + PT_V9_TNPC], %l1; \
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add %l1, 4, %l2; \
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stx %l1, [%sp + PTREGS_OFF + PT_V9_TPC]; \
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ba,pt %xcc, rtrap_clr_l6; \
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stx %l2, [%sp + PTREGS_OFF + PT_V9_TNPC];
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/* Before touching these macros, you owe it to yourself to go and
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* see how arch/sparc64/kernel/winfixup.S works... -DaveM
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*
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* For the user cases we used to use the %asi register, but
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* it turns out that the "wr xxx, %asi" costs ~5 cycles, so
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* now we use immediate ASI loads and stores instead. Kudos
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* to Greg Onufer for pointing out this performance anomaly.
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*
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* Further note that we cannot use the g2, g4, g5, and g7 alternate
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* globals in the spill routines, check out the save instruction in
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* arch/sparc64/kernel/etrap.S to see what I mean about g2, and
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* g4/g5 are the globals which are preserved by etrap processing
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* for the caller of it. The g7 register is the return pc for
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* etrap. Finally, g6 is the current thread register so we cannot
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* us it in the spill handlers either. Most of these rules do not
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* apply to fill processing, only g6 is not usable.
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*/
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/* Normal kernel spill */
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#define SPILL_0_NORMAL \
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stx %l0, [%sp + STACK_BIAS + 0x00]; \
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stx %l1, [%sp + STACK_BIAS + 0x08]; \
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stx %l2, [%sp + STACK_BIAS + 0x10]; \
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stx %l3, [%sp + STACK_BIAS + 0x18]; \
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stx %l4, [%sp + STACK_BIAS + 0x20]; \
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stx %l5, [%sp + STACK_BIAS + 0x28]; \
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stx %l6, [%sp + STACK_BIAS + 0x30]; \
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stx %l7, [%sp + STACK_BIAS + 0x38]; \
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stx %i0, [%sp + STACK_BIAS + 0x40]; \
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stx %i1, [%sp + STACK_BIAS + 0x48]; \
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stx %i2, [%sp + STACK_BIAS + 0x50]; \
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stx %i3, [%sp + STACK_BIAS + 0x58]; \
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stx %i4, [%sp + STACK_BIAS + 0x60]; \
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stx %i5, [%sp + STACK_BIAS + 0x68]; \
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stx %i6, [%sp + STACK_BIAS + 0x70]; \
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stx %i7, [%sp + STACK_BIAS + 0x78]; \
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saved; retry; nop; nop; nop; nop; nop; nop; \
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nop; nop; nop; nop; nop; nop; nop; nop;
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/* Normal 64bit spill */
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#define SPILL_1_GENERIC(ASI) \
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add %sp, STACK_BIAS + 0x00, %g1; \
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stxa %l0, [%g1 + %g0] ASI; \
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mov 0x08, %g3; \
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stxa %l1, [%g1 + %g3] ASI; \
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add %g1, 0x10, %g1; \
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stxa %l2, [%g1 + %g0] ASI; \
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stxa %l3, [%g1 + %g3] ASI; \
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add %g1, 0x10, %g1; \
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stxa %l4, [%g1 + %g0] ASI; \
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stxa %l5, [%g1 + %g3] ASI; \
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add %g1, 0x10, %g1; \
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stxa %l6, [%g1 + %g0] ASI; \
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stxa %l7, [%g1 + %g3] ASI; \
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add %g1, 0x10, %g1; \
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stxa %i0, [%g1 + %g0] ASI; \
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stxa %i1, [%g1 + %g3] ASI; \
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| 228 |
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add %g1, 0x10, %g1; \
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| 229 |
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stxa %i2, [%g1 + %g0] ASI; \
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| 230 |
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stxa %i3, [%g1 + %g3] ASI; \
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add %g1, 0x10, %g1; \
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| 232 |
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stxa %i4, [%g1 + %g0] ASI; \
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| 233 |
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stxa %i5, [%g1 + %g3] ASI; \
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| 234 |
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add %g1, 0x10, %g1; \
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| 235 |
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stxa %i6, [%g1 + %g0] ASI; \
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stxa %i7, [%g1 + %g3] ASI; \
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saved; \
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| 238 |
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retry; nop; nop; \
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| 239 |
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b,a,pt %xcc, spill_fixup_dax; \
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| 240 |
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b,a,pt %xcc, spill_fixup_mna; \
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| 241 |
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b,a,pt %xcc, spill_fixup;
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| 242 |
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| 243 |
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/* Normal 32bit spill */
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| 244 |
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#define SPILL_2_GENERIC(ASI) \
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| 245 |
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srl %sp, 0, %sp; \
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| 246 |
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stwa %l0, [%sp + %g0] ASI; \
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| 247 |
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mov 0x04, %g3; \
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| 248 |
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stwa %l1, [%sp + %g3] ASI; \
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| 249 |
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add %sp, 0x08, %g1; \
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| 250 |
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stwa %l2, [%g1 + %g0] ASI; \
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| 251 |
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stwa %l3, [%g1 + %g3] ASI; \
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| 252 |
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add %g1, 0x08, %g1; \
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| 253 |
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stwa %l4, [%g1 + %g0] ASI; \
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| 254 |
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stwa %l5, [%g1 + %g3] ASI; \
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| 255 |
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add %g1, 0x08, %g1; \
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| 256 |
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stwa %l6, [%g1 + %g0] ASI; \
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| 257 |
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stwa %l7, [%g1 + %g3] ASI; \
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| 258 |
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add %g1, 0x08, %g1; \
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| 259 |
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stwa %i0, [%g1 + %g0] ASI; \
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| 260 |
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stwa %i1, [%g1 + %g3] ASI; \
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| 261 |
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add %g1, 0x08, %g1; \
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| 262 |
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stwa %i2, [%g1 + %g0] ASI; \
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| 263 |
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stwa %i3, [%g1 + %g3] ASI; \
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| 264 |
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add %g1, 0x08, %g1; \
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| 265 |
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stwa %i4, [%g1 + %g0] ASI; \
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| 266 |
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stwa %i5, [%g1 + %g3] ASI; \
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| 267 |
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add %g1, 0x08, %g1; \
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| 268 |
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stwa %i6, [%g1 + %g0] ASI; \
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| 269 |
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stwa %i7, [%g1 + %g3] ASI; \
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| 270 |
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saved; \
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| 271 |
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retry; nop; nop; \
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| 272 |
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b,a,pt %xcc, spill_fixup_dax; \
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| 273 |
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b,a,pt %xcc, spill_fixup_mna; \
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| 274 |
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b,a,pt %xcc, spill_fixup;
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| 275 |
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| 276 |
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#define SPILL_1_NORMAL SPILL_1_GENERIC(ASI_AIUP)
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| 277 |
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#define SPILL_2_NORMAL SPILL_2_GENERIC(ASI_AIUP)
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| 278 |
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#define SPILL_3_NORMAL SPILL_0_NORMAL
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| 279 |
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#define SPILL_4_NORMAL SPILL_0_NORMAL
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| 280 |
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#define SPILL_5_NORMAL SPILL_0_NORMAL
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| 281 |
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#define SPILL_6_NORMAL SPILL_0_NORMAL
|
| 282 |
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|
#define SPILL_7_NORMAL SPILL_0_NORMAL
|
| 283 |
|
|
|
| 284 |
|
|
#define SPILL_0_OTHER SPILL_0_NORMAL
|
| 285 |
|
|
#define SPILL_1_OTHER SPILL_1_GENERIC(ASI_AIUS)
|
| 286 |
|
|
#define SPILL_2_OTHER SPILL_2_GENERIC(ASI_AIUS)
|
| 287 |
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#define SPILL_3_OTHER SPILL_3_NORMAL
|
| 288 |
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#define SPILL_4_OTHER SPILL_4_NORMAL
|
| 289 |
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#define SPILL_5_OTHER SPILL_5_NORMAL
|
| 290 |
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|
#define SPILL_6_OTHER SPILL_6_NORMAL
|
| 291 |
|
|
#define SPILL_7_OTHER SPILL_7_NORMAL
|
| 292 |
|
|
|
| 293 |
|
|
/* Normal kernel fill */
|
| 294 |
|
|
#define FILL_0_NORMAL \
|
| 295 |
|
|
ldx [%sp + STACK_BIAS + 0x00], %l0; \
|
| 296 |
|
|
ldx [%sp + STACK_BIAS + 0x08], %l1; \
|
| 297 |
|
|
ldx [%sp + STACK_BIAS + 0x10], %l2; \
|
| 298 |
|
|
ldx [%sp + STACK_BIAS + 0x18], %l3; \
|
| 299 |
|
|
ldx [%sp + STACK_BIAS + 0x20], %l4; \
|
| 300 |
|
|
ldx [%sp + STACK_BIAS + 0x28], %l5; \
|
| 301 |
|
|
ldx [%sp + STACK_BIAS + 0x30], %l6; \
|
| 302 |
|
|
ldx [%sp + STACK_BIAS + 0x38], %l7; \
|
| 303 |
|
|
ldx [%sp + STACK_BIAS + 0x40], %i0; \
|
| 304 |
|
|
ldx [%sp + STACK_BIAS + 0x48], %i1; \
|
| 305 |
|
|
ldx [%sp + STACK_BIAS + 0x50], %i2; \
|
| 306 |
|
|
ldx [%sp + STACK_BIAS + 0x58], %i3; \
|
| 307 |
|
|
ldx [%sp + STACK_BIAS + 0x60], %i4; \
|
| 308 |
|
|
ldx [%sp + STACK_BIAS + 0x68], %i5; \
|
| 309 |
|
|
ldx [%sp + STACK_BIAS + 0x70], %i6; \
|
| 310 |
|
|
ldx [%sp + STACK_BIAS + 0x78], %i7; \
|
| 311 |
|
|
restored; retry; nop; nop; nop; nop; nop; nop; \
|
| 312 |
|
|
nop; nop; nop; nop; nop; nop; nop; nop;
|
| 313 |
|
|
|
| 314 |
|
|
/* Normal 64bit fill */
|
| 315 |
|
|
#define FILL_1_GENERIC(ASI) \
|
| 316 |
|
|
add %sp, STACK_BIAS + 0x00, %g1; \
|
| 317 |
|
|
ldxa [%g1 + %g0] ASI, %l0; \
|
| 318 |
|
|
mov 0x08, %g2; \
|
| 319 |
|
|
mov 0x10, %g3; \
|
| 320 |
|
|
ldxa [%g1 + %g2] ASI, %l1; \
|
| 321 |
|
|
mov 0x18, %g5; \
|
| 322 |
|
|
ldxa [%g1 + %g3] ASI, %l2; \
|
| 323 |
|
|
ldxa [%g1 + %g5] ASI, %l3; \
|
| 324 |
|
|
add %g1, 0x20, %g1; \
|
| 325 |
|
|
ldxa [%g1 + %g0] ASI, %l4; \
|
| 326 |
|
|
ldxa [%g1 + %g2] ASI, %l5; \
|
| 327 |
|
|
ldxa [%g1 + %g3] ASI, %l6; \
|
| 328 |
|
|
ldxa [%g1 + %g5] ASI, %l7; \
|
| 329 |
|
|
add %g1, 0x20, %g1; \
|
| 330 |
|
|
ldxa [%g1 + %g0] ASI, %i0; \
|
| 331 |
|
|
ldxa [%g1 + %g2] ASI, %i1; \
|
| 332 |
|
|
ldxa [%g1 + %g3] ASI, %i2; \
|
| 333 |
|
|
ldxa [%g1 + %g5] ASI, %i3; \
|
| 334 |
|
|
add %g1, 0x20, %g1; \
|
| 335 |
|
|
ldxa [%g1 + %g0] ASI, %i4; \
|
| 336 |
|
|
ldxa [%g1 + %g2] ASI, %i5; \
|
| 337 |
|
|
ldxa [%g1 + %g3] ASI, %i6; \
|
| 338 |
|
|
ldxa [%g1 + %g5] ASI, %i7; \
|
| 339 |
|
|
restored; \
|
| 340 |
|
|
retry; nop; nop; nop; nop; \
|
| 341 |
|
|
b,a,pt %xcc, fill_fixup_dax; \
|
| 342 |
|
|
b,a,pt %xcc, fill_fixup_mna; \
|
| 343 |
|
|
b,a,pt %xcc, fill_fixup;
|
| 344 |
|
|
|
| 345 |
|
|
/* Normal 32bit fill */
|
| 346 |
|
|
#define FILL_2_GENERIC(ASI) \
|
| 347 |
|
|
srl %sp, 0, %sp; \
|
| 348 |
|
|
lduwa [%sp + %g0] ASI, %l0; \
|
| 349 |
|
|
mov 0x04, %g2; \
|
| 350 |
|
|
mov 0x08, %g3; \
|
| 351 |
|
|
lduwa [%sp + %g2] ASI, %l1; \
|
| 352 |
|
|
mov 0x0c, %g5; \
|
| 353 |
|
|
lduwa [%sp + %g3] ASI, %l2; \
|
| 354 |
|
|
lduwa [%sp + %g5] ASI, %l3; \
|
| 355 |
|
|
add %sp, 0x10, %g1; \
|
| 356 |
|
|
lduwa [%g1 + %g0] ASI, %l4; \
|
| 357 |
|
|
lduwa [%g1 + %g2] ASI, %l5; \
|
| 358 |
|
|
lduwa [%g1 + %g3] ASI, %l6; \
|
| 359 |
|
|
lduwa [%g1 + %g5] ASI, %l7; \
|
| 360 |
|
|
add %g1, 0x10, %g1; \
|
| 361 |
|
|
lduwa [%g1 + %g0] ASI, %i0; \
|
| 362 |
|
|
lduwa [%g1 + %g2] ASI, %i1; \
|
| 363 |
|
|
lduwa [%g1 + %g3] ASI, %i2; \
|
| 364 |
|
|
lduwa [%g1 + %g5] ASI, %i3; \
|
| 365 |
|
|
add %g1, 0x10, %g1; \
|
| 366 |
|
|
lduwa [%g1 + %g0] ASI, %i4; \
|
| 367 |
|
|
lduwa [%g1 + %g2] ASI, %i5; \
|
| 368 |
|
|
lduwa [%g1 + %g3] ASI, %i6; \
|
| 369 |
|
|
lduwa [%g1 + %g5] ASI, %i7; \
|
| 370 |
|
|
restored; \
|
| 371 |
|
|
retry; nop; nop; nop; nop; \
|
| 372 |
|
|
b,a,pt %xcc, fill_fixup_dax; \
|
| 373 |
|
|
b,a,pt %xcc, fill_fixup_mna; \
|
| 374 |
|
|
b,a,pt %xcc, fill_fixup;
|
| 375 |
|
|
|
| 376 |
|
|
#define FILL_1_NORMAL FILL_1_GENERIC(ASI_AIUP)
|
| 377 |
|
|
#define FILL_2_NORMAL FILL_2_GENERIC(ASI_AIUP)
|
| 378 |
|
|
#define FILL_3_NORMAL FILL_0_NORMAL
|
| 379 |
|
|
#define FILL_4_NORMAL FILL_0_NORMAL
|
| 380 |
|
|
#define FILL_5_NORMAL FILL_0_NORMAL
|
| 381 |
|
|
#define FILL_6_NORMAL FILL_0_NORMAL
|
| 382 |
|
|
#define FILL_7_NORMAL FILL_0_NORMAL
|
| 383 |
|
|
|
| 384 |
|
|
#define FILL_0_OTHER FILL_0_NORMAL
|
| 385 |
|
|
#define FILL_1_OTHER FILL_1_GENERIC(ASI_AIUS)
|
| 386 |
|
|
#define FILL_2_OTHER FILL_2_GENERIC(ASI_AIUS)
|
| 387 |
|
|
#define FILL_3_OTHER FILL_3_NORMAL
|
| 388 |
|
|
#define FILL_4_OTHER FILL_4_NORMAL
|
| 389 |
|
|
#define FILL_5_OTHER FILL_5_NORMAL
|
| 390 |
|
|
#define FILL_6_OTHER FILL_6_NORMAL
|
| 391 |
|
|
#define FILL_7_OTHER FILL_7_NORMAL
|
| 392 |
|
|
|
| 393 |
|
|
#endif /* !(_SPARC64_TTABLE_H) */
|
