a78c942df6
While not a port to KVM (yet), this change modifies the kernel to be able to build either at PL1 or at PL2 with a suitable config switch. Pushing up this change avoids handling branch merge issues going forward with the KVM work. Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
105 lines
3.7 KiB
C
105 lines
3.7 KiB
C
/*
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* Copyright 2010 Tilera Corporation. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation, version 2.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
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* NON INFRINGEMENT. See the GNU General Public License for
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* more details.
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*/
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/*
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* In addition to including the proper base SPR definition file, depending
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* on machine architecture, this file defines several macros which allow
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* kernel code to use protection-level dependent SPRs without worrying
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* about which PL it's running at. In these macros, the PL that the SPR
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* or interrupt number applies to is replaced by K.
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*/
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#if CONFIG_KERNEL_PL != 1 && CONFIG_KERNEL_PL != 2
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#error CONFIG_KERNEL_PL must be 1 or 2
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#endif
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/* Concatenate 4 strings. */
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#define __concat4(a, b, c, d) a ## b ## c ## d
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#define _concat4(a, b, c, d) __concat4(a, b, c, d)
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#ifdef __tilegx__
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#include <arch/spr_def_64.h>
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/* TILE-Gx dependent, protection-level dependent SPRs. */
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#define SPR_INTERRUPT_MASK_K \
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_concat4(SPR_INTERRUPT_MASK_, CONFIG_KERNEL_PL,,)
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#define SPR_INTERRUPT_MASK_SET_K \
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_concat4(SPR_INTERRUPT_MASK_SET_, CONFIG_KERNEL_PL,,)
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#define SPR_INTERRUPT_MASK_RESET_K \
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_concat4(SPR_INTERRUPT_MASK_RESET_, CONFIG_KERNEL_PL,,)
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#define SPR_INTERRUPT_VECTOR_BASE_K \
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_concat4(SPR_INTERRUPT_VECTOR_BASE_, CONFIG_KERNEL_PL,,)
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#define SPR_IPI_MASK_K \
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_concat4(SPR_IPI_MASK_, CONFIG_KERNEL_PL,,)
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#define SPR_IPI_MASK_RESET_K \
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_concat4(SPR_IPI_MASK_RESET_, CONFIG_KERNEL_PL,,)
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#define SPR_IPI_MASK_SET_K \
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_concat4(SPR_IPI_MASK_SET_, CONFIG_KERNEL_PL,,)
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#define SPR_IPI_EVENT_K \
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_concat4(SPR_IPI_EVENT_, CONFIG_KERNEL_PL,,)
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#define SPR_IPI_EVENT_RESET_K \
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_concat4(SPR_IPI_EVENT_RESET_, CONFIG_KERNEL_PL,,)
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#define SPR_IPI_MASK_SET_K \
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_concat4(SPR_IPI_MASK_SET_, CONFIG_KERNEL_PL,,)
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#define INT_IPI_K \
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_concat4(INT_IPI_, CONFIG_KERNEL_PL,,)
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#define SPR_SINGLE_STEP_CONTROL_K \
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_concat4(SPR_SINGLE_STEP_CONTROL_, CONFIG_KERNEL_PL,,)
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#define SPR_SINGLE_STEP_EN_K_K \
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_concat4(SPR_SINGLE_STEP_EN_, CONFIG_KERNEL_PL, _, CONFIG_KERNEL_PL)
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#define INT_SINGLE_STEP_K \
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_concat4(INT_SINGLE_STEP_, CONFIG_KERNEL_PL,,)
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#else
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#include <arch/spr_def_32.h>
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/* TILEPro dependent, protection-level dependent SPRs. */
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#define SPR_INTERRUPT_MASK_K_0 \
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_concat4(SPR_INTERRUPT_MASK_, CONFIG_KERNEL_PL, _0,)
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#define SPR_INTERRUPT_MASK_K_1 \
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_concat4(SPR_INTERRUPT_MASK_, CONFIG_KERNEL_PL, _1,)
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#define SPR_INTERRUPT_MASK_SET_K_0 \
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_concat4(SPR_INTERRUPT_MASK_SET_, CONFIG_KERNEL_PL, _0,)
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#define SPR_INTERRUPT_MASK_SET_K_1 \
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_concat4(SPR_INTERRUPT_MASK_SET_, CONFIG_KERNEL_PL, _1,)
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#define SPR_INTERRUPT_MASK_RESET_K_0 \
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_concat4(SPR_INTERRUPT_MASK_RESET_, CONFIG_KERNEL_PL, _0,)
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#define SPR_INTERRUPT_MASK_RESET_K_1 \
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_concat4(SPR_INTERRUPT_MASK_RESET_, CONFIG_KERNEL_PL, _1,)
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#endif
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/* Generic protection-level dependent SPRs. */
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#define SPR_SYSTEM_SAVE_K_0 \
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_concat4(SPR_SYSTEM_SAVE_, CONFIG_KERNEL_PL, _0,)
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#define SPR_SYSTEM_SAVE_K_1 \
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_concat4(SPR_SYSTEM_SAVE_, CONFIG_KERNEL_PL, _1,)
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#define SPR_SYSTEM_SAVE_K_2 \
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_concat4(SPR_SYSTEM_SAVE_, CONFIG_KERNEL_PL, _2,)
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#define SPR_SYSTEM_SAVE_K_3 \
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_concat4(SPR_SYSTEM_SAVE_, CONFIG_KERNEL_PL, _3,)
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#define SPR_EX_CONTEXT_K_0 \
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_concat4(SPR_EX_CONTEXT_, CONFIG_KERNEL_PL, _0,)
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#define SPR_EX_CONTEXT_K_1 \
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_concat4(SPR_EX_CONTEXT_, CONFIG_KERNEL_PL, _1,)
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#define SPR_INTCTRL_K_STATUS \
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_concat4(SPR_INTCTRL_, CONFIG_KERNEL_PL, _STATUS,)
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#define INT_INTCTRL_K \
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_concat4(INT_INTCTRL_, CONFIG_KERNEL_PL,,)
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