/* * Copyright (c) 2005 Jakub Jermar * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * - The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** @addtogroup sparc64interrupt * @{ */ /** * @file * @brief This file contains register window trap handlers. */ #ifndef KERN_sparc64_REGWIN_H_ #define KERN_sparc64_REGWIN_H_ #include #include #include #define TT_CLEAN_WINDOW 0x24 #define TT_SPILL_0_NORMAL 0x80 /* kernel spills */ #define TT_SPILL_1_NORMAL 0x84 /* userspace spills */ #define TT_SPILL_2_NORMAL 0x88 /* spills to userspace window buffer */ #define TT_SPILL_0_OTHER 0xa0 /* spills to userspace window buffer */ #define TT_FILL_0_NORMAL 0xc0 /* kernel fills */ #define TT_FILL_1_NORMAL 0xc4 /* userspace fills */ #define REGWIN_HANDLER_SIZE 128 #define CLEAN_WINDOW_HANDLER_SIZE REGWIN_HANDLER_SIZE #define SPILL_HANDLER_SIZE REGWIN_HANDLER_SIZE #define FILL_HANDLER_SIZE REGWIN_HANDLER_SIZE /* Window Save Area offsets. */ #define L0_OFFSET 0 #define L1_OFFSET 8 #define L2_OFFSET 16 #define L3_OFFSET 24 #define L4_OFFSET 32 #define L5_OFFSET 40 #define L6_OFFSET 48 #define L7_OFFSET 56 #define I0_OFFSET 64 #define I1_OFFSET 72 #define I2_OFFSET 80 #define I3_OFFSET 88 #define I4_OFFSET 96 #define I5_OFFSET 104 #define I6_OFFSET 112 #define I7_OFFSET 120 /* Uspace Window Buffer constants. */ #define UWB_SIZE ((NWINDOWS - 1) * STACK_WINDOW_SAVE_AREA_SIZE) #define UWB_ALIGNMENT 1024 #define UWB_ASIZE ALIGN_UP(UWB_SIZE, UWB_ALIGNMENT) #ifdef __ASM__ /* * Macro used by the nucleus and the primary context 0 during normal and other spills. */ .macro SPILL_NORMAL_HANDLER_KERNEL stx %l0, [%sp + STACK_BIAS + L0_OFFSET] stx %l1, [%sp + STACK_BIAS + L1_OFFSET] stx %l2, [%sp + STACK_BIAS + L2_OFFSET] stx %l3, [%sp + STACK_BIAS + L3_OFFSET] stx %l4, [%sp + STACK_BIAS + L4_OFFSET] stx %l5, [%sp + STACK_BIAS + L5_OFFSET] stx %l6, [%sp + STACK_BIAS + L6_OFFSET] stx %l7, [%sp + STACK_BIAS + L7_OFFSET] stx %i0, [%sp + STACK_BIAS + I0_OFFSET] stx %i1, [%sp + STACK_BIAS + I1_OFFSET] stx %i2, [%sp + STACK_BIAS + I2_OFFSET] stx %i3, [%sp + STACK_BIAS + I3_OFFSET] stx %i4, [%sp + STACK_BIAS + I4_OFFSET] stx %i5, [%sp + STACK_BIAS + I5_OFFSET] stx %i6, [%sp + STACK_BIAS + I6_OFFSET] stx %i7, [%sp + STACK_BIAS + I7_OFFSET] saved retry .endm /* * Macro used by the userspace during normal spills. */ .macro SPILL_NORMAL_HANDLER_USERSPACE wr %g0, ASI_AIUP, %asi stxa %l0, [%sp + STACK_BIAS + L0_OFFSET] %asi stxa %l1, [%sp + STACK_BIAS + L1_OFFSET] %asi stxa %l2, [%sp + STACK_BIAS + L2_OFFSET] %asi stxa %l3, [%sp + STACK_BIAS + L3_OFFSET] %asi stxa %l4, [%sp + STACK_BIAS + L4_OFFSET] %asi stxa %l5, [%sp + STACK_BIAS + L5_OFFSET] %asi stxa %l6, [%sp + STACK_BIAS + L6_OFFSET] %asi stxa %l7, [%sp + STACK_BIAS + L7_OFFSET] %asi stxa %i0, [%sp + STACK_BIAS + I0_OFFSET] %asi stxa %i1, [%sp + STACK_BIAS + I1_OFFSET] %asi stxa %i2, [%sp + STACK_BIAS + I2_OFFSET] %asi stxa %i3, [%sp + STACK_BIAS + I3_OFFSET] %asi stxa %i4, [%sp + STACK_BIAS + I4_OFFSET] %asi stxa %i5, [%sp + STACK_BIAS + I5_OFFSET] %asi stxa %i6, [%sp + STACK_BIAS + I6_OFFSET] %asi stxa %i7, [%sp + STACK_BIAS + I7_OFFSET] %asi saved retry .endm /* * Macro used by the nucleus and the primary context 0 during normal fills. */ .macro FILL_NORMAL_HANDLER_KERNEL ldx [%sp + STACK_BIAS + L0_OFFSET], %l0 ldx [%sp + STACK_BIAS + L1_OFFSET], %l1 ldx [%sp + STACK_BIAS + L2_OFFSET], %l2 ldx [%sp + STACK_BIAS + L3_OFFSET], %l3 ldx [%sp + STACK_BIAS + L4_OFFSET], %l4 ldx [%sp + STACK_BIAS + L5_OFFSET], %l5 ldx [%sp + STACK_BIAS + L6_OFFSET], %l6 ldx [%sp + STACK_BIAS + L7_OFFSET], %l7 ldx [%sp + STACK_BIAS + I0_OFFSET], %i0 ldx [%sp + STACK_BIAS + I1_OFFSET], %i1 ldx [%sp + STACK_BIAS + I2_OFFSET], %i2 ldx [%sp + STACK_BIAS + I3_OFFSET], %i3 ldx [%sp + STACK_BIAS + I4_OFFSET], %i4 ldx [%sp + STACK_BIAS + I5_OFFSET], %i5 ldx [%sp + STACK_BIAS + I6_OFFSET], %i6 ldx [%sp + STACK_BIAS + I7_OFFSET], %i7 restored retry .endm /* * Macro used by the userspace during normal fills. */ .macro FILL_NORMAL_HANDLER_USERSPACE wr %g0, ASI_AIUP, %asi ldxa [%sp + STACK_BIAS + L0_OFFSET] %asi, %l0 ldxa [%sp + STACK_BIAS + L1_OFFSET] %asi, %l1 ldxa [%sp + STACK_BIAS + L2_OFFSET] %asi, %l2 ldxa [%sp + STACK_BIAS + L3_OFFSET] %asi, %l3 ldxa [%sp + STACK_BIAS + L4_OFFSET] %asi, %l4 ldxa [%sp + STACK_BIAS + L5_OFFSET] %asi, %l5 ldxa [%sp + STACK_BIAS + L6_OFFSET] %asi, %l6 ldxa [%sp + STACK_BIAS + L7_OFFSET] %asi, %l7 ldxa [%sp + STACK_BIAS + I0_OFFSET] %asi, %i0 ldxa [%sp + STACK_BIAS + I1_OFFSET] %asi, %i1 ldxa [%sp + STACK_BIAS + I2_OFFSET] %asi, %i2 ldxa [%sp + STACK_BIAS + I3_OFFSET] %asi, %i3 ldxa [%sp + STACK_BIAS + I4_OFFSET] %asi, %i4 ldxa [%sp + STACK_BIAS + I5_OFFSET] %asi, %i5 ldxa [%sp + STACK_BIAS + I6_OFFSET] %asi, %i6 ldxa [%sp + STACK_BIAS + I7_OFFSET] %asi, %i7 restored retry .endm .macro CLEAN_WINDOW_HANDLER rdpr %cleanwin, %l0 add %l0, 1, %l0 wrpr %l0, 0, %cleanwin #if defined(SUN4U) mov %r0, %l0 mov %r0, %l1 mov %r0, %l2 mov %r0, %l3 mov %r0, %l4 mov %r0, %l5 mov %r0, %l6 mov %r0, %l7 mov %r0, %o0 mov %r0, %o1 mov %r0, %o2 mov %r0, %o3 mov %r0, %o4 mov %r0, %o5 mov %r0, %o6 mov %r0, %o7 #endif retry .endm #endif /* __ASM__ */ #if defined(SUN4U) #include #elif defined(SUN4V) #include #endif #endif /** @} */