| /* $Id: ttable.h,v 1.18 2002/02/09 19:49:32 davem Exp $ */ |
| #ifndef _SPARC64_TTABLE_H |
| #define _SPARC64_TTABLE_H |
| |
| #include <linux/config.h> |
| #include <asm/utrap.h> |
| |
| #ifdef __ASSEMBLY__ |
| #include <asm/thread_info.h> |
| #endif |
| |
| #define BOOT_KERNEL b sparc64_boot; nop; nop; nop; nop; nop; nop; nop; |
| |
| /* We need a "cleaned" instruction... */ |
| #define CLEAN_WINDOW \ |
| rdpr %cleanwin, %l0; add %l0, 1, %l0; \ |
| wrpr %l0, 0x0, %cleanwin; \ |
| clr %o0; clr %o1; clr %o2; clr %o3; \ |
| clr %o4; clr %o5; clr %o6; clr %o7; \ |
| clr %l0; clr %l1; clr %l2; clr %l3; \ |
| clr %l4; clr %l5; clr %l6; clr %l7; \ |
| retry; \ |
| nop;nop;nop;nop;nop;nop;nop;nop;nop;nop;nop;nop; |
| |
| #define TRAP(routine) \ |
| sethi %hi(109f), %g7; \ |
| ba,pt %xcc, etrap; \ |
| 109: or %g7, %lo(109b), %g7; \ |
| call routine; \ |
| add %sp, PTREGS_OFF, %o0; \ |
| ba,pt %xcc, rtrap; \ |
| clr %l6; \ |
| nop; |
| |
| #define TRAP_7INSNS(routine) \ |
| sethi %hi(109f), %g7; \ |
| ba,pt %xcc, etrap; \ |
| 109: or %g7, %lo(109b), %g7; \ |
| call routine; \ |
| add %sp, PTREGS_OFF, %o0; \ |
| ba,pt %xcc, rtrap; \ |
| clr %l6; |
| |
| #define TRAP_SAVEFPU(routine) \ |
| sethi %hi(109f), %g7; \ |
| ba,pt %xcc, do_fptrap; \ |
| 109: or %g7, %lo(109b), %g7; \ |
| call routine; \ |
| add %sp, PTREGS_OFF, %o0; \ |
| ba,pt %xcc, rtrap; \ |
| clr %l6; \ |
| nop; |
| |
| #define TRAP_NOSAVE(routine) \ |
| ba,pt %xcc, routine; \ |
| nop; \ |
| nop; nop; nop; nop; nop; nop; |
| |
| #define TRAP_NOSAVE_7INSNS(routine) \ |
| ba,pt %xcc, routine; \ |
| nop; \ |
| nop; nop; nop; nop; nop; |
| |
| #define TRAPTL1(routine) \ |
| sethi %hi(109f), %g7; \ |
| ba,pt %xcc, etraptl1; \ |
| 109: or %g7, %lo(109b), %g7; \ |
| call routine; \ |
| add %sp, PTREGS_OFF, %o0; \ |
| ba,pt %xcc, rtrap; \ |
| clr %l6; \ |
| nop; |
| |
| #define TRAP_ARG(routine, arg) \ |
| sethi %hi(109f), %g7; \ |
| ba,pt %xcc, etrap; \ |
| 109: or %g7, %lo(109b), %g7; \ |
| add %sp, PTREGS_OFF, %o0; \ |
| call routine; \ |
| mov arg, %o1; \ |
| ba,pt %xcc, rtrap; \ |
| clr %l6; |
| |
| #define TRAPTL1_ARG(routine, arg) \ |
| sethi %hi(109f), %g7; \ |
| ba,pt %xcc, etraptl1; \ |
| 109: or %g7, %lo(109b), %g7; \ |
| add %sp, PTREGS_OFF, %o0; \ |
| call routine; \ |
| mov arg, %o1; \ |
| ba,pt %xcc, rtrap; \ |
| clr %l6; |
| |
| #define SYSCALL_TRAP(routine, systbl) \ |
| sethi %hi(109f), %g7; \ |
| ba,pt %xcc, scetrap; \ |
| 109: or %g7, %lo(109b), %g7; \ |
| sethi %hi(systbl), %l7; \ |
| ba,pt %xcc, routine; \ |
| or %l7, %lo(systbl), %l7; \ |
| nop; nop; |
| |
| #define INDIRECT_SOLARIS_SYSCALL(num) \ |
| sethi %hi(109f), %g7; \ |
| ba,pt %xcc, etrap; \ |
| 109: or %g7, %lo(109b), %g7; \ |
| ba,pt %xcc, tl0_solaris + 0xc; \ |
| mov num, %g1; \ |
| nop;nop;nop; |
| |
| #define TRAP_UTRAP(handler,lvl) \ |
| ldx [%g6 + TI_UTRAPS], %g1; \ |
| sethi %hi(109f), %g7; \ |
| brz,pn %g1, utrap; \ |
| or %g7, %lo(109f), %g7; \ |
| ba,pt %xcc, utrap; \ |
| 109: ldx [%g1 + handler*8], %g1; \ |
| ba,pt %xcc, utrap_ill; \ |
| mov lvl, %o1; |
| |
| #ifdef CONFIG_SUNOS_EMUL |
| #define SUNOS_SYSCALL_TRAP SYSCALL_TRAP(linux_sparc_syscall32, sunos_sys_table) |
| #else |
| #define SUNOS_SYSCALL_TRAP TRAP(sunos_syscall) |
| #endif |
| #ifdef CONFIG_COMPAT |
| #define LINUX_32BIT_SYSCALL_TRAP SYSCALL_TRAP(linux_sparc_syscall32, sys_call_table32) |
| #else |
| #define LINUX_32BIT_SYSCALL_TRAP BTRAP(0x110) |
| #endif |
| #define LINUX_64BIT_SYSCALL_TRAP SYSCALL_TRAP(linux_sparc_syscall, sys_call_table64) |
| #define GETCC_TRAP TRAP(getcc) |
| #define SETCC_TRAP TRAP(setcc) |
| #ifdef CONFIG_SOLARIS_EMUL |
| #define SOLARIS_SYSCALL_TRAP TRAP(solaris_sparc_syscall) |
| #else |
| #define SOLARIS_SYSCALL_TRAP TRAP(solaris_syscall) |
| #endif |
| /* FIXME: Write these actually */ |
| #define NETBSD_SYSCALL_TRAP TRAP(netbsd_syscall) |
| #define BREAKPOINT_TRAP TRAP(breakpoint_trap) |
| |
| #define TRAP_IRQ(routine, level) \ |
| rdpr %pil, %g2; \ |
| wrpr %g0, 15, %pil; \ |
| b,pt %xcc, etrap_irq; \ |
| rd %pc, %g7; \ |
| mov level, %o0; \ |
| call routine; \ |
| add %sp, PTREGS_OFF, %o1; \ |
| ba,a,pt %xcc, rtrap_irq; |
| |
| #define TICK_SMP_IRQ \ |
| rdpr %pil, %g2; \ |
| wrpr %g0, 15, %pil; \ |
| sethi %hi(109f), %g7; \ |
| b,pt %xcc, etrap_irq; \ |
| 109: or %g7, %lo(109b), %g7; \ |
| call smp_percpu_timer_interrupt; \ |
| add %sp, PTREGS_OFF, %o0; \ |
| ba,a,pt %xcc, rtrap_irq; |
| |
| #define TRAP_IVEC TRAP_NOSAVE(do_ivec) |
| |
| #define BTRAP(lvl) TRAP_ARG(bad_trap, lvl) |
| |
| #define BTRAPTL1(lvl) TRAPTL1_ARG(bad_trap_tl1, lvl) |
| |
| #define FLUSH_WINDOW_TRAP \ |
| ba,pt %xcc, etrap; \ |
| rd %pc, %g7; \ |
| flushw; \ |
| ldx [%sp + PTREGS_OFF + PT_V9_TNPC], %l1; \ |
| add %l1, 4, %l2; \ |
| stx %l1, [%sp + PTREGS_OFF + PT_V9_TPC]; \ |
| ba,pt %xcc, rtrap_clr_l6; \ |
| stx %l2, [%sp + PTREGS_OFF + PT_V9_TNPC]; |
| |
| #ifdef CONFIG_KPROBES |
| #define KPROBES_TRAP(lvl) TRAP_IRQ(kprobe_trap, lvl) |
| #else |
| #define KPROBES_TRAP(lvl) TRAP_ARG(bad_trap, lvl) |
| #endif |
| |
| /* Before touching these macros, you owe it to yourself to go and |
| * see how arch/sparc64/kernel/winfixup.S works... -DaveM |
| * |
| * For the user cases we used to use the %asi register, but |
| * it turns out that the "wr xxx, %asi" costs ~5 cycles, so |
| * now we use immediate ASI loads and stores instead. Kudos |
| * to Greg Onufer for pointing out this performance anomaly. |
| * |
| * Further note that we cannot use the g2, g4, g5, and g7 alternate |
| * globals in the spill routines, check out the save instruction in |
| * arch/sparc64/kernel/etrap.S to see what I mean about g2, and |
| * g4/g5 are the globals which are preserved by etrap processing |
| * for the caller of it. The g7 register is the return pc for |
| * etrap. Finally, g6 is the current thread register so we cannot |
| * us it in the spill handlers either. Most of these rules do not |
| * apply to fill processing, only g6 is not usable. |
| */ |
| |
| /* Normal kernel spill */ |
| #define SPILL_0_NORMAL \ |
| stx %l0, [%sp + STACK_BIAS + 0x00]; \ |
| stx %l1, [%sp + STACK_BIAS + 0x08]; \ |
| stx %l2, [%sp + STACK_BIAS + 0x10]; \ |
| stx %l3, [%sp + STACK_BIAS + 0x18]; \ |
| stx %l4, [%sp + STACK_BIAS + 0x20]; \ |
| stx %l5, [%sp + STACK_BIAS + 0x28]; \ |
| stx %l6, [%sp + STACK_BIAS + 0x30]; \ |
| stx %l7, [%sp + STACK_BIAS + 0x38]; \ |
| stx %i0, [%sp + STACK_BIAS + 0x40]; \ |
| stx %i1, [%sp + STACK_BIAS + 0x48]; \ |
| stx %i2, [%sp + STACK_BIAS + 0x50]; \ |
| stx %i3, [%sp + STACK_BIAS + 0x58]; \ |
| stx %i4, [%sp + STACK_BIAS + 0x60]; \ |
| stx %i5, [%sp + STACK_BIAS + 0x68]; \ |
| stx %i6, [%sp + STACK_BIAS + 0x70]; \ |
| stx %i7, [%sp + STACK_BIAS + 0x78]; \ |
| saved; retry; nop; nop; nop; nop; nop; nop; \ |
| nop; nop; nop; nop; nop; nop; nop; nop; |
| |
| /* Normal 64bit spill */ |
| #define SPILL_1_GENERIC(ASI) \ |
| add %sp, STACK_BIAS + 0x00, %g1; \ |
| stxa %l0, [%g1 + %g0] ASI; \ |
| mov 0x08, %g3; \ |
| stxa %l1, [%g1 + %g3] ASI; \ |
| add %g1, 0x10, %g1; \ |
| stxa %l2, [%g1 + %g0] ASI; \ |
| stxa %l3, [%g1 + %g3] ASI; \ |
| add %g1, 0x10, %g1; \ |
| stxa %l4, [%g1 + %g0] ASI; \ |
| stxa %l5, [%g1 + %g3] ASI; \ |
| add %g1, 0x10, %g1; \ |
| stxa %l6, [%g1 + %g0] ASI; \ |
| stxa %l7, [%g1 + %g3] ASI; \ |
| add %g1, 0x10, %g1; \ |
| stxa %i0, [%g1 + %g0] ASI; \ |
| stxa %i1, [%g1 + %g3] ASI; \ |
| add %g1, 0x10, %g1; \ |
| stxa %i2, [%g1 + %g0] ASI; \ |
| stxa %i3, [%g1 + %g3] ASI; \ |
| add %g1, 0x10, %g1; \ |
| stxa %i4, [%g1 + %g0] ASI; \ |
| stxa %i5, [%g1 + %g3] ASI; \ |
| add %g1, 0x10, %g1; \ |
| stxa %i6, [%g1 + %g0] ASI; \ |
| stxa %i7, [%g1 + %g3] ASI; \ |
| saved; \ |
| retry; nop; nop; \ |
| b,a,pt %xcc, spill_fixup_dax; \ |
| b,a,pt %xcc, spill_fixup_mna; \ |
| b,a,pt %xcc, spill_fixup; |
| |
| /* Normal 32bit spill */ |
| #define SPILL_2_GENERIC(ASI) \ |
| srl %sp, 0, %sp; \ |
| stwa %l0, [%sp + %g0] ASI; \ |
| mov 0x04, %g3; \ |
| stwa %l1, [%sp + %g3] ASI; \ |
| add %sp, 0x08, %g1; \ |
| stwa %l2, [%g1 + %g0] ASI; \ |
| stwa %l3, [%g1 + %g3] ASI; \ |
| add %g1, 0x08, %g1; \ |
| stwa %l4, [%g1 + %g0] ASI; \ |
| stwa %l5, [%g1 + %g3] ASI; \ |
| add %g1, 0x08, %g1; \ |
| stwa %l6, [%g1 + %g0] ASI; \ |
| stwa %l7, [%g1 + %g3] ASI; \ |
| add %g1, 0x08, %g1; \ |
| stwa %i0, [%g1 + %g0] ASI; \ |
| stwa %i1, [%g1 + %g3] ASI; \ |
| add %g1, 0x08, %g1; \ |
| stwa %i2, [%g1 + %g0] ASI; \ |
| stwa %i3, [%g1 + %g3] ASI; \ |
| add %g1, 0x08, %g1; \ |
| stwa %i4, [%g1 + %g0] ASI; \ |
| stwa %i5, [%g1 + %g3] ASI; \ |
| add %g1, 0x08, %g1; \ |
| stwa %i6, [%g1 + %g0] ASI; \ |
| stwa %i7, [%g1 + %g3] ASI; \ |
| saved; \ |
| retry; nop; nop; \ |
| b,a,pt %xcc, spill_fixup_dax; \ |
| b,a,pt %xcc, spill_fixup_mna; \ |
| b,a,pt %xcc, spill_fixup; |
| |
| #define SPILL_1_NORMAL SPILL_1_GENERIC(ASI_AIUP) |
| #define SPILL_2_NORMAL SPILL_2_GENERIC(ASI_AIUP) |
| #define SPILL_3_NORMAL SPILL_0_NORMAL |
| #define SPILL_4_NORMAL SPILL_0_NORMAL |
| #define SPILL_5_NORMAL SPILL_0_NORMAL |
| #define SPILL_6_NORMAL SPILL_0_NORMAL |
| #define SPILL_7_NORMAL SPILL_0_NORMAL |
| |
| #define SPILL_0_OTHER SPILL_0_NORMAL |
| #define SPILL_1_OTHER SPILL_1_GENERIC(ASI_AIUS) |
| #define SPILL_2_OTHER SPILL_2_GENERIC(ASI_AIUS) |
| #define SPILL_3_OTHER SPILL_3_NORMAL |
| #define SPILL_4_OTHER SPILL_4_NORMAL |
| #define SPILL_5_OTHER SPILL_5_NORMAL |
| #define SPILL_6_OTHER SPILL_6_NORMAL |
| #define SPILL_7_OTHER SPILL_7_NORMAL |
| |
| /* Normal kernel fill */ |
| #define FILL_0_NORMAL \ |
| ldx [%sp + STACK_BIAS + 0x00], %l0; \ |
| ldx [%sp + STACK_BIAS + 0x08], %l1; \ |
| ldx [%sp + STACK_BIAS + 0x10], %l2; \ |
| ldx [%sp + STACK_BIAS + 0x18], %l3; \ |
| ldx [%sp + STACK_BIAS + 0x20], %l4; \ |
| ldx [%sp + STACK_BIAS + 0x28], %l5; \ |
| ldx [%sp + STACK_BIAS + 0x30], %l6; \ |
| ldx [%sp + STACK_BIAS + 0x38], %l7; \ |
| ldx [%sp + STACK_BIAS + 0x40], %i0; \ |
| ldx [%sp + STACK_BIAS + 0x48], %i1; \ |
| ldx [%sp + STACK_BIAS + 0x50], %i2; \ |
| ldx [%sp + STACK_BIAS + 0x58], %i3; \ |
| ldx [%sp + STACK_BIAS + 0x60], %i4; \ |
| ldx [%sp + STACK_BIAS + 0x68], %i5; \ |
| ldx [%sp + STACK_BIAS + 0x70], %i6; \ |
| ldx [%sp + STACK_BIAS + 0x78], %i7; \ |
| restored; retry; nop; nop; nop; nop; nop; nop; \ |
| nop; nop; nop; nop; nop; nop; nop; nop; |
| |
| /* Normal 64bit fill */ |
| #define FILL_1_GENERIC(ASI) \ |
| add %sp, STACK_BIAS + 0x00, %g1; \ |
| ldxa [%g1 + %g0] ASI, %l0; \ |
| mov 0x08, %g2; \ |
| mov 0x10, %g3; \ |
| ldxa [%g1 + %g2] ASI, %l1; \ |
| mov 0x18, %g5; \ |
| ldxa [%g1 + %g3] ASI, %l2; \ |
| ldxa [%g1 + %g5] ASI, %l3; \ |
| add %g1, 0x20, %g1; \ |
| ldxa [%g1 + %g0] ASI, %l4; \ |
| ldxa [%g1 + %g2] ASI, %l5; \ |
| ldxa [%g1 + %g3] ASI, %l6; \ |
| ldxa [%g1 + %g5] ASI, %l7; \ |
| add %g1, 0x20, %g1; \ |
| ldxa [%g1 + %g0] ASI, %i0; \ |
| ldxa [%g1 + %g2] ASI, %i1; \ |
| ldxa [%g1 + %g3] ASI, %i2; \ |
| ldxa [%g1 + %g5] ASI, %i3; \ |
| add %g1, 0x20, %g1; \ |
| ldxa [%g1 + %g0] ASI, %i4; \ |
| ldxa [%g1 + %g2] ASI, %i5; \ |
| ldxa [%g1 + %g3] ASI, %i6; \ |
| ldxa [%g1 + %g5] ASI, %i7; \ |
| restored; \ |
| retry; nop; nop; nop; nop; \ |
| b,a,pt %xcc, fill_fixup_dax; \ |
| b,a,pt %xcc, fill_fixup_mna; \ |
| b,a,pt %xcc, fill_fixup; |
| |
| /* Normal 32bit fill */ |
| #define FILL_2_GENERIC(ASI) \ |
| srl %sp, 0, %sp; \ |
| lduwa [%sp + %g0] ASI, %l0; \ |
| mov 0x04, %g2; \ |
| mov 0x08, %g3; \ |
| lduwa [%sp + %g2] ASI, %l1; \ |
| mov 0x0c, %g5; \ |
| lduwa [%sp + %g3] ASI, %l2; \ |
| lduwa [%sp + %g5] ASI, %l3; \ |
| add %sp, 0x10, %g1; \ |
| lduwa [%g1 + %g0] ASI, %l4; \ |
| lduwa [%g1 + %g2] ASI, %l5; \ |
| lduwa [%g1 + %g3] ASI, %l6; \ |
| lduwa [%g1 + %g5] ASI, %l7; \ |
| add %g1, 0x10, %g1; \ |
| lduwa [%g1 + %g0] ASI, %i0; \ |
| lduwa [%g1 + %g2] ASI, %i1; \ |
| lduwa [%g1 + %g3] ASI, %i2; \ |
| lduwa [%g1 + %g5] ASI, %i3; \ |
| add %g1, 0x10, %g1; \ |
| lduwa [%g1 + %g0] ASI, %i4; \ |
| lduwa [%g1 + %g2] ASI, %i5; \ |
| lduwa [%g1 + %g3] ASI, %i6; \ |
| lduwa [%g1 + %g5] ASI, %i7; \ |
| restored; \ |
| retry; nop; nop; nop; nop; \ |
| b,a,pt %xcc, fill_fixup_dax; \ |
| b,a,pt %xcc, fill_fixup_mna; \ |
| b,a,pt %xcc, fill_fixup; |
| |
| #define FILL_1_NORMAL FILL_1_GENERIC(ASI_AIUP) |
| #define FILL_2_NORMAL FILL_2_GENERIC(ASI_AIUP) |
| #define FILL_3_NORMAL FILL_0_NORMAL |
| #define FILL_4_NORMAL FILL_0_NORMAL |
| #define FILL_5_NORMAL FILL_0_NORMAL |
| #define FILL_6_NORMAL FILL_0_NORMAL |
| #define FILL_7_NORMAL FILL_0_NORMAL |
| |
| #define FILL_0_OTHER FILL_0_NORMAL |
| #define FILL_1_OTHER FILL_1_GENERIC(ASI_AIUS) |
| #define FILL_2_OTHER FILL_2_GENERIC(ASI_AIUS) |
| #define FILL_3_OTHER FILL_3_NORMAL |
| #define FILL_4_OTHER FILL_4_NORMAL |
| #define FILL_5_OTHER FILL_5_NORMAL |
| #define FILL_6_OTHER FILL_6_NORMAL |
| #define FILL_7_OTHER FILL_7_NORMAL |
| |
| #endif /* !(_SPARC64_TTABLE_H) */ |
