#define SYSCALL_TRAP(routine, systbl) \
sethi %hi(109f), %g7; \
- ba,pt %xcc, scetrap; \
+ ba,pt %xcc, etrap; \
109: or %g7, %lo(109b), %g7; \
sethi %hi(systbl), %l7; \
ba,pt %xcc, routine; \
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;
+ mov handler, %g3; \
+ ba,pt %xcc, utrap_trap; \
+ mov lvl, %g4; \
+ nop; \
+ nop; \
+ nop; \
+ nop; \
+ nop;
#ifdef CONFIG_SUNOS_EMUL
#define SUNOS_SYSCALL_TRAP SYSCALL_TRAP(linux_sparc_syscall32, sunos_sys_table)
#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) \
#define KPROBES_TRAP(lvl) TRAP_ARG(bad_trap, lvl)
#endif
+#define SUN4V_ITSB_MISS \
+ ldxa [%g0] ASI_SCRATCHPAD, %g2; \
+ ldx [%g2 + HV_FAULT_I_ADDR_OFFSET], %g4; \
+ ldx [%g2 + HV_FAULT_I_CTX_OFFSET], %g5; \
+ srlx %g4, 22, %g6; \
+ ba,pt %xcc, sun4v_itsb_miss; \
+ nop; \
+ nop; \
+ nop;
+
+#define SUN4V_DTSB_MISS \
+ ldxa [%g0] ASI_SCRATCHPAD, %g2; \
+ ldx [%g2 + HV_FAULT_D_ADDR_OFFSET], %g4; \
+ ldx [%g2 + HV_FAULT_D_CTX_OFFSET], %g5; \
+ srlx %g4, 22, %g6; \
+ ba,pt %xcc, sun4v_dtsb_miss; \
+ nop; \
+ nop; \
+ nop;
+
/* Before touching these macros, you owe it to yourself to go and
* see how arch/sparc64/kernel/winfixup.S works... -DaveM
*
saved; retry; nop; nop; nop; nop; nop; nop; \
nop; nop; nop; nop; nop; nop; nop; nop;
+#define SPILL_0_NORMAL_ETRAP \
+etrap_kernel_spill: \
+ 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; \
+ sub %g1, 2, %g1; \
+ ba,pt %xcc, etrap_save; \
+ wrpr %g1, %cwp; \
+ 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; \
b,a,pt %xcc, spill_fixup_mna; \
b,a,pt %xcc, spill_fixup;
+#define SPILL_1_GENERIC_ETRAP \
+etrap_user_spill_64bit: \
+ stxa %l0, [%sp + STACK_BIAS + 0x00] %asi; \
+ stxa %l1, [%sp + STACK_BIAS + 0x08] %asi; \
+ stxa %l2, [%sp + STACK_BIAS + 0x10] %asi; \
+ stxa %l3, [%sp + STACK_BIAS + 0x18] %asi; \
+ stxa %l4, [%sp + STACK_BIAS + 0x20] %asi; \
+ stxa %l5, [%sp + STACK_BIAS + 0x28] %asi; \
+ stxa %l6, [%sp + STACK_BIAS + 0x30] %asi; \
+ stxa %l7, [%sp + STACK_BIAS + 0x38] %asi; \
+ stxa %i0, [%sp + STACK_BIAS + 0x40] %asi; \
+ stxa %i1, [%sp + STACK_BIAS + 0x48] %asi; \
+ stxa %i2, [%sp + STACK_BIAS + 0x50] %asi; \
+ stxa %i3, [%sp + STACK_BIAS + 0x58] %asi; \
+ stxa %i4, [%sp + STACK_BIAS + 0x60] %asi; \
+ stxa %i5, [%sp + STACK_BIAS + 0x68] %asi; \
+ stxa %i6, [%sp + STACK_BIAS + 0x70] %asi; \
+ stxa %i7, [%sp + STACK_BIAS + 0x78] %asi; \
+ saved; \
+ sub %g1, 2, %g1; \
+ ba,pt %xcc, etrap_save; \
+ wrpr %g1, %cwp; \
+ nop; nop; nop; nop; nop; \
+ nop; nop; nop; nop; \
+ ba,a,pt %xcc, etrap_spill_fixup_64bit; \
+ ba,a,pt %xcc, etrap_spill_fixup_64bit; \
+ ba,a,pt %xcc, etrap_spill_fixup_64bit;
+
+#define SPILL_1_GENERIC_ETRAP_FIXUP \
+etrap_spill_fixup_64bit: \
+ ldub [%g6 + TI_WSAVED], %g1; \
+ sll %g1, 3, %g3; \
+ add %g6, %g3, %g3; \
+ stx %sp, [%g3 + TI_RWIN_SPTRS]; \
+ sll %g1, 7, %g3; \
+ add %g6, %g3, %g3; \
+ stx %l0, [%g3 + TI_REG_WINDOW + 0x00]; \
+ stx %l1, [%g3 + TI_REG_WINDOW + 0x08]; \
+ stx %l2, [%g3 + TI_REG_WINDOW + 0x10]; \
+ stx %l3, [%g3 + TI_REG_WINDOW + 0x18]; \
+ stx %l4, [%g3 + TI_REG_WINDOW + 0x20]; \
+ stx %l5, [%g3 + TI_REG_WINDOW + 0x28]; \
+ stx %l6, [%g3 + TI_REG_WINDOW + 0x30]; \
+ stx %l7, [%g3 + TI_REG_WINDOW + 0x38]; \
+ stx %i0, [%g3 + TI_REG_WINDOW + 0x40]; \
+ stx %i1, [%g3 + TI_REG_WINDOW + 0x48]; \
+ stx %i2, [%g3 + TI_REG_WINDOW + 0x50]; \
+ stx %i3, [%g3 + TI_REG_WINDOW + 0x58]; \
+ stx %i4, [%g3 + TI_REG_WINDOW + 0x60]; \
+ stx %i5, [%g3 + TI_REG_WINDOW + 0x68]; \
+ stx %i6, [%g3 + TI_REG_WINDOW + 0x70]; \
+ stx %i7, [%g3 + TI_REG_WINDOW + 0x78]; \
+ add %g1, 1, %g1; \
+ stb %g1, [%g6 + TI_WSAVED]; \
+ saved; \
+ rdpr %cwp, %g1; \
+ sub %g1, 2, %g1; \
+ ba,pt %xcc, etrap_save; \
+ wrpr %g1, %cwp; \
+ nop; nop; nop
+
/* Normal 32bit spill */
#define SPILL_2_GENERIC(ASI) \
srl %sp, 0, %sp; \
b,a,pt %xcc, spill_fixup_mna; \
b,a,pt %xcc, spill_fixup;
+#define SPILL_2_GENERIC_ETRAP \
+etrap_user_spill_32bit: \
+ srl %sp, 0, %sp; \
+ stwa %l0, [%sp + 0x00] %asi; \
+ stwa %l1, [%sp + 0x04] %asi; \
+ stwa %l2, [%sp + 0x08] %asi; \
+ stwa %l3, [%sp + 0x0c] %asi; \
+ stwa %l4, [%sp + 0x10] %asi; \
+ stwa %l5, [%sp + 0x14] %asi; \
+ stwa %l6, [%sp + 0x18] %asi; \
+ stwa %l7, [%sp + 0x1c] %asi; \
+ stwa %i0, [%sp + 0x20] %asi; \
+ stwa %i1, [%sp + 0x24] %asi; \
+ stwa %i2, [%sp + 0x28] %asi; \
+ stwa %i3, [%sp + 0x2c] %asi; \
+ stwa %i4, [%sp + 0x30] %asi; \
+ stwa %i5, [%sp + 0x34] %asi; \
+ stwa %i6, [%sp + 0x38] %asi; \
+ stwa %i7, [%sp + 0x3c] %asi; \
+ saved; \
+ sub %g1, 2, %g1; \
+ ba,pt %xcc, etrap_save; \
+ wrpr %g1, %cwp; \
+ nop; nop; nop; nop; \
+ nop; nop; nop; nop; \
+ ba,a,pt %xcc, etrap_spill_fixup_32bit; \
+ ba,a,pt %xcc, etrap_spill_fixup_32bit; \
+ ba,a,pt %xcc, etrap_spill_fixup_32bit;
+
+#define SPILL_2_GENERIC_ETRAP_FIXUP \
+etrap_spill_fixup_32bit: \
+ ldub [%g6 + TI_WSAVED], %g1; \
+ sll %g1, 3, %g3; \
+ add %g6, %g3, %g3; \
+ stx %sp, [%g3 + TI_RWIN_SPTRS]; \
+ sll %g1, 7, %g3; \
+ add %g6, %g3, %g3; \
+ stw %l0, [%g3 + TI_REG_WINDOW + 0x00]; \
+ stw %l1, [%g3 + TI_REG_WINDOW + 0x04]; \
+ stw %l2, [%g3 + TI_REG_WINDOW + 0x08]; \
+ stw %l3, [%g3 + TI_REG_WINDOW + 0x0c]; \
+ stw %l4, [%g3 + TI_REG_WINDOW + 0x10]; \
+ stw %l5, [%g3 + TI_REG_WINDOW + 0x14]; \
+ stw %l6, [%g3 + TI_REG_WINDOW + 0x18]; \
+ stw %l7, [%g3 + TI_REG_WINDOW + 0x1c]; \
+ stw %i0, [%g3 + TI_REG_WINDOW + 0x20]; \
+ stw %i1, [%g3 + TI_REG_WINDOW + 0x24]; \
+ stw %i2, [%g3 + TI_REG_WINDOW + 0x28]; \
+ stw %i3, [%g3 + TI_REG_WINDOW + 0x2c]; \
+ stw %i4, [%g3 + TI_REG_WINDOW + 0x30]; \
+ stw %i5, [%g3 + TI_REG_WINDOW + 0x34]; \
+ stw %i6, [%g3 + TI_REG_WINDOW + 0x38]; \
+ stw %i7, [%g3 + TI_REG_WINDOW + 0x3c]; \
+ add %g1, 1, %g1; \
+ stb %g1, [%g6 + TI_WSAVED]; \
+ saved; \
+ rdpr %cwp, %g1; \
+ sub %g1, 2, %g1; \
+ ba,pt %xcc, etrap_save; \
+ wrpr %g1, %cwp; \
+ nop; nop; nop
+
#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
restored; retry; nop; nop; nop; nop; nop; nop; \
nop; nop; nop; nop; nop; nop; nop; nop;
+#define FILL_0_NORMAL_RTRAP \
+kern_rtt_fill: \
+ rdpr %cwp, %g1; \
+ sub %g1, 1, %g1; \
+ wrpr %g1, %cwp; \
+ 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; \
+ add %g1, 1, %g1; \
+ ba,pt %xcc, kern_rtt_restore; \
+ wrpr %g1, %cwp; \
+ nop; nop; nop; nop; nop; \
+ nop; nop; nop; nop;
+
+
/* Normal 64bit fill */
#define FILL_1_GENERIC(ASI) \
add %sp, STACK_BIAS + 0x00, %g1; \
b,a,pt %xcc, fill_fixup_mna; \
b,a,pt %xcc, fill_fixup;
+#define FILL_1_GENERIC_RTRAP \
+user_rtt_fill_64bit: \
+ ldxa [%sp + STACK_BIAS + 0x00] %asi, %l0; \
+ ldxa [%sp + STACK_BIAS + 0x08] %asi, %l1; \
+ ldxa [%sp + STACK_BIAS + 0x10] %asi, %l2; \
+ ldxa [%sp + STACK_BIAS + 0x18] %asi, %l3; \
+ ldxa [%sp + STACK_BIAS + 0x20] %asi, %l4; \
+ ldxa [%sp + STACK_BIAS + 0x28] %asi, %l5; \
+ ldxa [%sp + STACK_BIAS + 0x30] %asi, %l6; \
+ ldxa [%sp + STACK_BIAS + 0x38] %asi, %l7; \
+ ldxa [%sp + STACK_BIAS + 0x40] %asi, %i0; \
+ ldxa [%sp + STACK_BIAS + 0x48] %asi, %i1; \
+ ldxa [%sp + STACK_BIAS + 0x50] %asi, %i2; \
+ ldxa [%sp + STACK_BIAS + 0x58] %asi, %i3; \
+ ldxa [%sp + STACK_BIAS + 0x60] %asi, %i4; \
+ ldxa [%sp + STACK_BIAS + 0x68] %asi, %i5; \
+ ldxa [%sp + STACK_BIAS + 0x70] %asi, %i6; \
+ ldxa [%sp + STACK_BIAS + 0x78] %asi, %i7; \
+ ba,pt %xcc, user_rtt_pre_restore; \
+ restored; \
+ nop; nop; nop; nop; nop; nop; \
+ nop; nop; nop; nop; nop; \
+ ba,a,pt %xcc, user_rtt_fill_fixup; \
+ ba,a,pt %xcc, user_rtt_fill_fixup; \
+ ba,a,pt %xcc, user_rtt_fill_fixup;
+
+
/* Normal 32bit fill */
#define FILL_2_GENERIC(ASI) \
srl %sp, 0, %sp; \
b,a,pt %xcc, fill_fixup_mna; \
b,a,pt %xcc, fill_fixup;
+#define FILL_2_GENERIC_RTRAP \
+user_rtt_fill_32bit: \
+ srl %sp, 0, %sp; \
+ lduwa [%sp + 0x00] %asi, %l0; \
+ lduwa [%sp + 0x04] %asi, %l1; \
+ lduwa [%sp + 0x08] %asi, %l2; \
+ lduwa [%sp + 0x0c] %asi, %l3; \
+ lduwa [%sp + 0x10] %asi, %l4; \
+ lduwa [%sp + 0x14] %asi, %l5; \
+ lduwa [%sp + 0x18] %asi, %l6; \
+ lduwa [%sp + 0x1c] %asi, %l7; \
+ lduwa [%sp + 0x20] %asi, %i0; \
+ lduwa [%sp + 0x24] %asi, %i1; \
+ lduwa [%sp + 0x28] %asi, %i2; \
+ lduwa [%sp + 0x2c] %asi, %i3; \
+ lduwa [%sp + 0x30] %asi, %i4; \
+ lduwa [%sp + 0x34] %asi, %i5; \
+ lduwa [%sp + 0x38] %asi, %i6; \
+ lduwa [%sp + 0x3c] %asi, %i7; \
+ ba,pt %xcc, user_rtt_pre_restore; \
+ restored; \
+ nop; nop; nop; nop; nop; \
+ nop; nop; nop; nop; nop; \
+ ba,a,pt %xcc, user_rtt_fill_fixup; \
+ ba,a,pt %xcc, user_rtt_fill_fixup; \
+ ba,a,pt %xcc, user_rtt_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
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