443 lines
12 KiB
ArmAsm
443 lines
12 KiB
ArmAsm
/*
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* Initial page table for Linux kernel under Hexagon VM,
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*
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* Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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/*
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* These tables are pre-computed and linked into kernel.
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*/
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#include <asm/vm_mmu.h>
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/* #include <asm/iomap.h> */
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/*
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* Start with mapping PA=0 to both VA=0x0 and VA=0xc000000 as 16MB large pages.
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* No user mode access, RWX, write-back cache. The entry needs
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* to be replicated for all 4 virtual segments mapping to the page.
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*/
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/* "Big Kernel Page" */
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#define BKP(pa) (((pa) & __HVM_PTE_PGMASK_4MB) \
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| __HVM_PTE_R | __HVM_PTE_W | __HVM_PTE_X \
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| __HEXAGON_C_WB_L2 << 6 \
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| __HVM_PDE_S_16MB)
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/* No cache version */
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#define BKPG_IO(pa) (((pa) & __HVM_PTE_PGMASK_16MB) \
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| __HVM_PTE_R | __HVM_PTE_W | __HVM_PTE_X \
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| __HVM_PDE_S_16MB | __HEXAGON_C_DEV << 6 )
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#define FOURK_IO(pa) (((pa) & __HVM_PTE_PGMASK_4KB) \
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| __HVM_PTE_R | __HVM_PTE_W | __HVM_PTE_X \
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| __HEXAGON_C_DEV << 6 )
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#define L2_PTR(pa) (((pa) & __HVM_PTE_PGMASK_4KB) \
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| __HVM_PDE_S_4KB )
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#define X __HVM_PDE_S_INVALID
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.p2align 12
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.globl swapper_pg_dir
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.globl _K_init_segtable
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swapper_pg_dir:
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/* VA 0x00000000 */
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X
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.word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X
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.word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X
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.word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X
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.word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X
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.word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X
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.word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X
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.word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X
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/* VA 0x40000000 */
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.word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X
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.word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X
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.word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X
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.word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X
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.word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X
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.word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X
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.word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X
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.word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X
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/* VA 0x80000000 */
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.word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X
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.word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X
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.word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X
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.word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X
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.word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X
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/*0xa8*/.word X,X,X,X
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#ifdef CONFIG_COMET_EARLY_UART_DEBUG
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UART_PTE_ENTRY:
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/*0xa9*/.word BKPG_IO(0xa9000000),BKPG_IO(0xa9000000),BKPG_IO(0xa9000000),BKPG_IO(0xa9000000)
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#else
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/*0xa9*/.word X,X,X,X
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#endif
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/*0xaa*/.word X,X,X,X
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/*0xab*/.word X,X,X,X
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/*0xac*/.word X,X,X,X
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/*0xad*/.word X,X,X,X
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/*0xae*/.word X,X,X,X
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/*0xaf*/.word X,X,X,X
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/*0xb0*/.word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X
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.word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X
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_K_init_segtable:
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/* VA 0xC0000000 */
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.word BKP(0x00000000), BKP(0x00400000), BKP(0x00800000), BKP(0x00c00000)
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.word BKP(0x01000000), BKP(0x01400000), BKP(0x01800000), BKP(0x01c00000)
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.word BKP(0x02000000), BKP(0x02400000), BKP(0x02800000), BKP(0x02c00000)
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.word BKP(0x03000000), BKP(0x03400000), BKP(0x03800000), BKP(0x03c00000)
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.word BKP(0x04000000), BKP(0x04400000), BKP(0x04800000), BKP(0x04c00000)
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.word BKP(0x05000000), BKP(0x05400000), BKP(0x05800000), BKP(0x05c00000)
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.word BKP(0x06000000), BKP(0x06400000), BKP(0x06800000), BKP(0x06c00000)
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.word BKP(0x07000000), BKP(0x07400000), BKP(0x07800000), BKP(0x07c00000)
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.word BKP(0x08000000), BKP(0x08400000), BKP(0x08800000), BKP(0x08c00000)
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.word BKP(0x09000000), BKP(0x09400000), BKP(0x09800000), BKP(0x09c00000)
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.word BKP(0x0a000000), BKP(0x0a400000), BKP(0x0a800000), BKP(0x0ac00000)
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.word BKP(0x0b000000), BKP(0x0b400000), BKP(0x0b800000), BKP(0x0bc00000)
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.word BKP(0x0c000000), BKP(0x0c400000), BKP(0x0c800000), BKP(0x0cc00000)
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.word BKP(0x0d000000), BKP(0x0d400000), BKP(0x0d800000), BKP(0x0dc00000)
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.word BKP(0x0e000000), BKP(0x0e400000), BKP(0x0e800000), BKP(0x0ec00000)
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.word BKP(0x0f000000), BKP(0x0f400000), BKP(0x0f800000), BKP(0x0fc00000)
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.word BKP(0x10000000), BKP(0x10400000), BKP(0x10800000), BKP(0x10c00000)
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.word BKP(0x11000000), BKP(0x11400000), BKP(0x11800000), BKP(0x11c00000)
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.word BKP(0x12000000), BKP(0x12400000), BKP(0x12800000), BKP(0x12c00000)
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.word BKP(0x13000000), BKP(0x13400000), BKP(0x13800000), BKP(0x13c00000)
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.word BKP(0x14000000), BKP(0x14400000), BKP(0x14800000), BKP(0x14c00000)
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.word BKP(0x15000000), BKP(0x15400000), BKP(0x15800000), BKP(0x15c00000)
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.word BKP(0x16000000), BKP(0x16400000), BKP(0x16800000), BKP(0x16c00000)
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.word BKP(0x17000000), BKP(0x17400000), BKP(0x17800000), BKP(0x17c00000)
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.word BKP(0x18000000), BKP(0x18400000), BKP(0x18800000), BKP(0x18c00000)
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.word BKP(0x19000000), BKP(0x19400000), BKP(0x19800000), BKP(0x19c00000)
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.word BKP(0x1a000000), BKP(0x1a400000), BKP(0x1a800000), BKP(0x1ac00000)
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.word BKP(0x1b000000), BKP(0x1b400000), BKP(0x1b800000), BKP(0x1bc00000)
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.word BKP(0x1c000000), BKP(0x1c400000), BKP(0x1c800000), BKP(0x1cc00000)
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.word BKP(0x1d000000), BKP(0x1d400000), BKP(0x1d800000), BKP(0x1dc00000)
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.word BKP(0x1e000000), BKP(0x1e400000), BKP(0x1e800000), BKP(0x1ec00000)
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.word BKP(0x1f000000), BKP(0x1f400000), BKP(0x1f800000), BKP(0x1fc00000)
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.word BKP(0x20000000), BKP(0x20400000), BKP(0x20800000), BKP(0x20c00000)
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.word BKP(0x21000000), BKP(0x21400000), BKP(0x21800000), BKP(0x21c00000)
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.word BKP(0x22000000), BKP(0x22400000), BKP(0x22800000), BKP(0x22c00000)
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.word BKP(0x23000000), BKP(0x23400000), BKP(0x23800000), BKP(0x23c00000)
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.word BKP(0x24000000), BKP(0x24400000), BKP(0x24800000), BKP(0x24c00000)
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.word BKP(0x25000000), BKP(0x25400000), BKP(0x25800000), BKP(0x25c00000)
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.word BKP(0x26000000), BKP(0x26400000), BKP(0x26800000), BKP(0x26c00000)
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.word BKP(0x27000000), BKP(0x27400000), BKP(0x27800000), BKP(0x27c00000)
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.word BKP(0x28000000), BKP(0x28400000), BKP(0x28800000), BKP(0x28c00000)
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.word BKP(0x29000000), BKP(0x29400000), BKP(0x29800000), BKP(0x29c00000)
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.word BKP(0x2a000000), BKP(0x2a400000), BKP(0x2a800000), BKP(0x2ac00000)
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.word BKP(0x2b000000), BKP(0x2b400000), BKP(0x2b800000), BKP(0x2bc00000)
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.word BKP(0x2c000000), BKP(0x2c400000), BKP(0x2c800000), BKP(0x2cc00000)
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.word BKP(0x2d000000), BKP(0x2d400000), BKP(0x2d800000), BKP(0x2dc00000)
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.word BKP(0x2e000000), BKP(0x2e400000), BKP(0x2e800000), BKP(0x2ec00000)
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.word BKP(0x2f000000), BKP(0x2f400000), BKP(0x2f800000), BKP(0x2fc00000)
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.word BKP(0x30000000), BKP(0x30400000), BKP(0x30800000), BKP(0x30c00000)
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.word BKP(0x31000000), BKP(0x31400000), BKP(0x31800000), BKP(0x31c00000)
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.word BKP(0x32000000), BKP(0x32400000), BKP(0x32800000), BKP(0x32c00000)
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.word BKP(0x33000000), BKP(0x33400000), BKP(0x33800000), BKP(0x33c00000)
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.word BKP(0x34000000), BKP(0x34400000), BKP(0x34800000), BKP(0x34c00000)
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.word BKP(0x35000000), BKP(0x35400000), BKP(0x35800000), BKP(0x35c00000)
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.word BKP(0x36000000), BKP(0x36400000), BKP(0x36800000), BKP(0x36c00000)
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.word BKP(0x37000000), BKP(0x37400000), BKP(0x37800000), BKP(0x37c00000)
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.word BKP(0x38000000), BKP(0x38400000), BKP(0x38800000), BKP(0x38c00000)
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.word BKP(0x39000000), BKP(0x39400000), BKP(0x39800000), BKP(0x39c00000)
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.word BKP(0x3a000000), BKP(0x3a400000), BKP(0x3a800000), BKP(0x3ac00000)
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.word BKP(0x3b000000), BKP(0x3b400000), BKP(0x3b800000), BKP(0x3bc00000)
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.word BKP(0x3c000000), BKP(0x3c400000), BKP(0x3c800000), BKP(0x3cc00000)
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.word BKP(0x3d000000), BKP(0x3d400000), BKP(0x3d800000), BKP(0x3dc00000)
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_K_io_map:
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.word X,X,X,X /* 0x3e000000 - device IO early remap */
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.word X,X,X,X /* 0x3f000000 - hypervisor space*/
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#if 0
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/*
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* This is in here as an example for devices which need to be mapped really
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* early.
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*/
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.p2align 12
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.globl _K_io_kmap
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.globl _K_init_devicetable
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_K_init_devicetable: /* Should be 4MB worth of entries */
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.word FOURK_IO(MSM_GPIO1_PHYS),FOURK_IO(MSM_GPIO2_PHYS),FOURK_IO(MSM_SIRC_PHYS),X
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.word FOURK_IO(TLMM_GPIO1_PHYS),X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
|
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
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.word X,X,X,X
|
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.word X,X,X,X
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#endif
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