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381 lines
22 KiB
C
381 lines
22 KiB
C
/**
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** @file vmtables.c
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**
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** @author CSCI-452 class of 20245
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**
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** @brief Kernel VM tables
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**
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** Compilation options:
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**
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** MAKE_IDENTITY_MAP Creates a page table that identity-maps the first
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** 4MB of main memory.
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*/
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#define KERNEL_SRC
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#include <common.h>
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#include <kmem.h>
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#include <procs.h>
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#include <vm.h>
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#include <x86/arch.h>
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// defined for us by the linker
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extern char _data[];
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/*
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** Initial page directory, for when the kernel is starting up
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**
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** we use large (4MB) pages here to allow us to use a one-level
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** paging hierarchy; the kernel will create a new page table
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** hierarchy once memory is initialized
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**
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** We only map the first 2GB of memory, plus a 4MB portion of
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** the upper half, which we map to cover the first 4MB of
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** memory.
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*/
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// identity-map 4MB virtual address #n to physical 4MB address #n
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// used for addresses 0 to 2GB
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#define L(n) [n] = (pde_t)((TO_4MFRAME((n))) | (PDE_P | PDE_RW | PDE_PS))
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// ditto, but adds 512 (0x200) to the index
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// used for addresses 2GB to 4GB
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#define M(n) \
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[n | 0x200] = (pde_t)((TO_4MFRAME((n))) | (PDE_P | PDE_RW | PDE_PS))
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ATTR_ALIGNED(SZ_PAGE)
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const pde_t firstpdir[N_PDE] = {
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// Map VA range [0, 2GB] to PA range [0, 2GB]
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L(0x000), L(0x001), L(0x002), L(0x003), L(0x004), L(0x005), L(0x006),
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L(0x007), L(0x008), L(0x009), L(0x00a), L(0x00b), L(0x00c), L(0x00d),
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L(0x00e), L(0x00f), L(0x010), L(0x011), L(0x012), L(0x013), L(0x014),
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L(0x015), L(0x016), L(0x017), L(0x018), L(0x019), L(0x01a), L(0x01b),
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L(0x01c), L(0x01d), L(0x01e), L(0x01f), L(0x020), L(0x021), L(0x022),
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L(0x023), L(0x024), L(0x025), L(0x026), L(0x027), L(0x028), L(0x029),
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L(0x02a), L(0x02b), L(0x02c), L(0x02d), L(0x02e), L(0x02f), L(0x030),
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L(0x031), L(0x032), L(0x033), L(0x034), L(0x035), L(0x036), L(0x037),
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L(0x038), L(0x039), L(0x03a), L(0x03b), L(0x03c), L(0x03d), L(0x03e),
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L(0x03f), L(0x040), L(0x041), L(0x042), L(0x043), L(0x044), L(0x045),
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L(0x046), L(0x047), L(0x048), L(0x049), L(0x04a), L(0x04b), L(0x04c),
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L(0x04d), L(0x04e), L(0x04f), L(0x050), L(0x051), L(0x052), L(0x053),
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L(0x054), L(0x055), L(0x056), L(0x057), L(0x058), L(0x059), L(0x05a),
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L(0x05b), L(0x05c), L(0x05d), L(0x05e), L(0x05f), L(0x060), L(0x061),
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L(0x062), L(0x063), L(0x064), L(0x065), L(0x066), L(0x067), L(0x068),
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L(0x069), L(0x06a), L(0x06b), L(0x06c), L(0x06d), L(0x06e), L(0x06f),
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L(0x070), L(0x071), L(0x072), L(0x073), L(0x074), L(0x075), L(0x076),
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L(0x077), L(0x078), L(0x079), L(0x07a), L(0x07b), L(0x07c), L(0x07d),
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L(0x07e), L(0x07f), L(0x080), L(0x081), L(0x082), L(0x083), L(0x084),
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L(0x085), L(0x086), L(0x087), L(0x088), L(0x089), L(0x08a), L(0x08b),
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L(0x08c), L(0x08d), L(0x08e), L(0x08f), L(0x090), L(0x091), L(0x092),
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L(0x093), L(0x094), L(0x095), L(0x096), L(0x097), L(0x098), L(0x099),
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L(0x09a), L(0x09b), L(0x09c), L(0x09d), L(0x09e), L(0x09f), L(0x0a0),
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L(0x0a1), L(0x0a2), L(0x0a3), L(0x0a4), L(0x0a5), L(0x0a6), L(0x0a7),
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L(0x0a8), L(0x0a9), L(0x0aa), L(0x0ab), L(0x0ac), L(0x0ad), L(0x0ae),
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L(0x0af), L(0x0b0), L(0x0b1), L(0x0b2), L(0x0b3), L(0x0b4), L(0x0b5),
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L(0x0b6), L(0x0b7), L(0x0b8), L(0x0b9), L(0x0ba), L(0x0bb), L(0x0bc),
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L(0x0bd), L(0x0be), L(0x0bf), L(0x0c0), L(0x0c1), L(0x0c2), L(0x0c3),
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L(0x0c4), L(0x0c5), L(0x0c6), L(0x0c7), L(0x0c8), L(0x0c9), L(0x0ca),
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L(0x0cb), L(0x0cc), L(0x0cd), L(0x0ce), L(0x0cf), L(0x0d0), L(0x0d1),
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L(0x0d2), L(0x0d3), L(0x0d4), L(0x0d5), L(0x0d6), L(0x0d7), L(0x0d8),
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L(0x0d9), L(0x0da), L(0x0db), L(0x0dc), L(0x0dd), L(0x0de), L(0x0df),
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L(0x0e0), L(0x0e1), L(0x0e2), L(0x0e3), L(0x0e4), L(0x0e5), L(0x0e6),
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L(0x0e7), L(0x0e8), L(0x0e9), L(0x0ea), L(0x0eb), L(0x0ec), L(0x0ed),
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L(0x0ee), L(0x0ef), L(0x0f0), L(0x0f1), L(0x0f2), L(0x0f3), L(0x0f4),
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L(0x0f5), L(0x0f6), L(0x0f7), L(0x0f8), L(0x0f9), L(0x0fa), L(0x0fb),
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L(0x0fc), L(0x0fd), L(0x0fe), L(0x0ff), L(0x100), L(0x101), L(0x102),
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L(0x103), L(0x104), L(0x105), L(0x106), L(0x107), L(0x108), L(0x109),
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L(0x10a), L(0x10b), L(0x10c), L(0x10d), L(0x10e), L(0x10f), L(0x110),
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L(0x111), L(0x112), L(0x113), L(0x114), L(0x115), L(0x116), L(0x117),
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L(0x118), L(0x119), L(0x11a), L(0x11b), L(0x11c), L(0x11d), L(0x11e),
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L(0x11f), L(0x120), L(0x121), L(0x122), L(0x123), L(0x124), L(0x125),
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L(0x126), L(0x127), L(0x128), L(0x129), L(0x12a), L(0x12b), L(0x12c),
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L(0x12d), L(0x12e), L(0x12f), L(0x130), L(0x131), L(0x132), L(0x133),
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L(0x134), L(0x135), L(0x136), L(0x137), L(0x138), L(0x139), L(0x13a),
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L(0x13b), L(0x13c), L(0x13d), L(0x13e), L(0x13f), L(0x140), L(0x141),
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L(0x142), L(0x143), L(0x144), L(0x145), L(0x146), L(0x147), L(0x148),
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L(0x149), L(0x14a), L(0x14b), L(0x14c), L(0x14d), L(0x14e), L(0x14f),
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L(0x150), L(0x151), L(0x152), L(0x153), L(0x154), L(0x155), L(0x156),
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L(0x157), L(0x158), L(0x159), L(0x15a), L(0x15b), L(0x15c), L(0x15d),
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L(0x15e), L(0x15f), L(0x160), L(0x161), L(0x162), L(0x163), L(0x164),
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L(0x165), L(0x166), L(0x167), L(0x168), L(0x169), L(0x16a), L(0x16b),
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L(0x16c), L(0x16d), L(0x16e), L(0x16f), L(0x170), L(0x171), L(0x172),
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L(0x173), L(0x174), L(0x175), L(0x176), L(0x177), L(0x178), L(0x179),
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L(0x17a), L(0x17b), L(0x17c), L(0x17d), L(0x17e), L(0x17f), L(0x180),
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L(0x181), L(0x182), L(0x183), L(0x184), L(0x185), L(0x186), L(0x187),
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L(0x188), L(0x189), L(0x18a), L(0x18b), L(0x18c), L(0x18d), L(0x18e),
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L(0x18f), L(0x190), L(0x191), L(0x192), L(0x193), L(0x194), L(0x195),
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L(0x196), L(0x197), L(0x198), L(0x199), L(0x19a), L(0x19b), L(0x19c),
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L(0x19d), L(0x19e), L(0x19f), L(0x1a0), L(0x1a1), L(0x1a2), L(0x1a3),
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L(0x1a4), L(0x1a5), L(0x1a6), L(0x1a7), L(0x1a8), L(0x1a9), L(0x1aa),
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L(0x1ab), L(0x1ac), L(0x1ad), L(0x1ae), L(0x1af), L(0x1b0), L(0x1b1),
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L(0x1b2), L(0x1b3), L(0x1b4), L(0x1b5), L(0x1b6), L(0x1b7), L(0x1b8),
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L(0x1b9), L(0x1ba), L(0x1bb), L(0x1bc), L(0x1bd), L(0x1be), L(0x1bf),
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L(0x1c0), L(0x1c1), L(0x1c2), L(0x1c3), L(0x1c4), L(0x1c5), L(0x1c6),
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L(0x1c7), L(0x1c8), L(0x1c9), L(0x1ca), L(0x1cb), L(0x1cc), L(0x1cd),
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L(0x1ce), L(0x1cf), L(0x1d0), L(0x1d1), L(0x1d2), L(0x1d3), L(0x1d4),
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L(0x1d5), L(0x1d6), L(0x1d7), L(0x1d8), L(0x1d9), L(0x1da), L(0x1db),
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L(0x1dc), L(0x1dd), L(0x1de), L(0x1df), L(0x1e0), L(0x1e1), L(0x1e2),
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L(0x1e3), L(0x1e4), L(0x1e5), L(0x1e6), L(0x1e7), L(0x1e8), L(0x1e9),
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L(0x1ea), L(0x1eb), L(0x1ec), L(0x1ed), L(0x1ee), L(0x1ef), L(0x1f0),
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L(0x1f1), L(0x1f2), L(0x1f3), L(0x1f4), L(0x1f5), L(0x1f6), L(0x1f7),
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L(0x1f8), L(0x1f9), L(0x1fa), L(0x1fb), L(0x1fc), L(0x1fd), L(0x1fe),
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L(0x1ff),
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// Map VA range [2GB, 4GB] to PA range [0, 2MB]
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M(0x000), M(0x001), M(0x002), M(0x003), M(0x004), M(0x005), M(0x006),
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M(0x007), M(0x008), M(0x009), M(0x00a), M(0x00b), M(0x00c), M(0x00d),
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M(0x00e), M(0x00f), M(0x010), M(0x011), M(0x012), M(0x013), M(0x014),
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M(0x015), M(0x016), M(0x017), M(0x018), M(0x019), M(0x01a), M(0x01b),
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M(0x01c), M(0x01d), M(0x01e), M(0x01f), M(0x020), M(0x021), M(0x022),
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M(0x023), M(0x024), M(0x025), M(0x026), M(0x027), M(0x028), M(0x029),
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M(0x02a), M(0x02b), M(0x02c), M(0x02d), M(0x02e), M(0x02f), M(0x030),
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M(0x031), M(0x032), M(0x033), M(0x034), M(0x035), M(0x036), M(0x037),
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M(0x038), M(0x039), M(0x03a), M(0x03b), M(0x03c), M(0x03d), M(0x03e),
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M(0x03f), M(0x040), M(0x041), M(0x042), M(0x043), M(0x044), M(0x045),
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M(0x046), M(0x047), M(0x048), M(0x049), M(0x04a), M(0x04b), M(0x04c),
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M(0x04d), M(0x04e), M(0x04f), M(0x050), M(0x051), M(0x052), M(0x053),
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M(0x054), M(0x055), M(0x056), M(0x057), M(0x058), M(0x059), M(0x05a),
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M(0x05b), M(0x05c), M(0x05d), M(0x05e), M(0x05f), M(0x060), M(0x061),
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M(0x062), M(0x063), M(0x064), M(0x065), M(0x066), M(0x067), M(0x068),
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M(0x069), M(0x06a), M(0x06b), M(0x06c), M(0x06d), M(0x06e), M(0x06f),
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M(0x070), M(0x071), M(0x072), M(0x073), M(0x074), M(0x075), M(0x076),
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M(0x077), M(0x078), M(0x079), M(0x07a), M(0x07b), M(0x07c), M(0x07d),
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M(0x07e), M(0x07f), M(0x080), M(0x081), M(0x082), M(0x083), M(0x084),
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M(0x085), M(0x086), M(0x087), M(0x088), M(0x089), M(0x08a), M(0x08b),
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M(0x08c), M(0x08d), M(0x08e), M(0x08f), M(0x090), M(0x091), M(0x092),
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M(0x093), M(0x094), M(0x095), M(0x096), M(0x097), M(0x098), M(0x099),
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M(0x09a), M(0x09b), M(0x09c), M(0x09d), M(0x09e), M(0x09f), M(0x0a0),
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M(0x0a1), M(0x0a2), M(0x0a3), M(0x0a4), M(0x0a5), M(0x0a6), M(0x0a7),
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M(0x0a8), M(0x0a9), M(0x0aa), M(0x0ab), M(0x0ac), M(0x0ad), M(0x0ae),
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M(0x0af), M(0x0b0), M(0x0b1), M(0x0b2), M(0x0b3), M(0x0b4), M(0x0b5),
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M(0x0b6), M(0x0b7), M(0x0b8), M(0x0b9), M(0x0ba), M(0x0bb), M(0x0bc),
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M(0x0bd), M(0x0be), M(0x0bf), M(0x0c0), M(0x0c1), M(0x0c2), M(0x0c3),
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M(0x0c4), M(0x0c5), M(0x0c6), M(0x0c7), M(0x0c8), M(0x0c9), M(0x0ca),
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M(0x0cb), M(0x0cc), M(0x0cd), M(0x0ce), M(0x0cf), M(0x0d0), M(0x0d1),
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M(0x0d2), M(0x0d3), M(0x0d4), M(0x0d5), M(0x0d6), M(0x0d7), M(0x0d8),
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M(0x0d9), M(0x0da), M(0x0db), M(0x0dc), M(0x0dd), M(0x0de), M(0x0df),
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M(0x0e0), M(0x0e1), M(0x0e2), M(0x0e3), M(0x0e4), M(0x0e5), M(0x0e6),
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M(0x0e7), M(0x0e8), M(0x0e9), M(0x0ea), M(0x0eb), M(0x0ec), M(0x0ed),
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M(0x0ee), M(0x0ef), M(0x0f0), M(0x0f1), M(0x0f2), M(0x0f3), M(0x0f4),
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M(0x0f5), M(0x0f6), M(0x0f7), M(0x0f8), M(0x0f9), M(0x0fa), M(0x0fb),
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M(0x0fc), M(0x0fd), M(0x0fe), M(0x0ff), M(0x100), M(0x101), M(0x102),
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M(0x103), M(0x104), M(0x105), M(0x106), M(0x107), M(0x108), M(0x109),
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M(0x10a), M(0x10b), M(0x10c), M(0x10d), M(0x10e), M(0x10f), M(0x110),
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M(0x111), M(0x112), M(0x113), M(0x114), M(0x115), M(0x116), M(0x117),
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M(0x118), M(0x119), M(0x11a), M(0x11b), M(0x11c), M(0x11d), M(0x11e),
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M(0x11f), M(0x120), M(0x121), M(0x122), M(0x123), M(0x124), M(0x125),
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M(0x126), M(0x127), M(0x128), M(0x129), M(0x12a), M(0x12b), M(0x12c),
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M(0x12d), M(0x12e), M(0x12f), M(0x130), M(0x131), M(0x132), M(0x133),
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M(0x134), M(0x135), M(0x136), M(0x137), M(0x138), M(0x139), M(0x13a),
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M(0x13b), M(0x13c), M(0x13d), M(0x13e), M(0x13f), M(0x140), M(0x141),
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M(0x142), M(0x143), M(0x144), M(0x145), M(0x146), M(0x147), M(0x148),
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M(0x149), M(0x14a), M(0x14b), M(0x14c), M(0x14d), M(0x14e), M(0x14f),
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M(0x150), M(0x151), M(0x152), M(0x153), M(0x154), M(0x155), M(0x156),
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M(0x157), M(0x158), M(0x159), M(0x15a), M(0x15b), M(0x15c), M(0x15d),
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M(0x15e), M(0x15f), M(0x160), M(0x161), M(0x162), M(0x163), M(0x164),
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M(0x165), M(0x166), M(0x167), M(0x168), M(0x169), M(0x16a), M(0x16b),
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M(0x16c), M(0x16d), M(0x16e), M(0x16f), M(0x170), M(0x171), M(0x172),
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M(0x173), M(0x174), M(0x175), M(0x176), M(0x177), M(0x178), M(0x179),
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M(0x17a), M(0x17b), M(0x17c), M(0x17d), M(0x17e), M(0x17f), M(0x180),
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M(0x181), M(0x182), M(0x183), M(0x184), M(0x185), M(0x186), M(0x187),
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M(0x188), M(0x189), M(0x18a), M(0x18b), M(0x18c), M(0x18d), M(0x18e),
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M(0x18f), M(0x190), M(0x191), M(0x192), M(0x193), M(0x194), M(0x195),
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M(0x196), M(0x197), M(0x198), M(0x199), M(0x19a), M(0x19b), M(0x19c),
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M(0x19d), M(0x19e), M(0x19f), M(0x1a0), M(0x1a1), M(0x1a2), M(0x1a3),
|
|
M(0x1a4), M(0x1a5), M(0x1a6), M(0x1a7), M(0x1a8), M(0x1a9), M(0x1aa),
|
|
M(0x1ab), M(0x1ac), M(0x1ad), M(0x1ae), M(0x1af), M(0x1b0), M(0x1b1),
|
|
M(0x1b2), M(0x1b3), M(0x1b4), M(0x1b5), M(0x1b6), M(0x1b7), M(0x1b8),
|
|
M(0x1b9), M(0x1ba), M(0x1bb), M(0x1bc), M(0x1bd), M(0x1be), M(0x1bf),
|
|
M(0x1c0), M(0x1c1), M(0x1c2), M(0x1c3), M(0x1c4), M(0x1c5), M(0x1c6),
|
|
M(0x1c7), M(0x1c8), M(0x1c9), M(0x1ca), M(0x1cb), M(0x1cc), M(0x1cd),
|
|
M(0x1ce), M(0x1cf), M(0x1d0), M(0x1d1), M(0x1d2), M(0x1d3), M(0x1d4),
|
|
M(0x1d5), M(0x1d6), M(0x1d7), M(0x1d8), M(0x1d9), M(0x1da), M(0x1db),
|
|
M(0x1dc), M(0x1dd), M(0x1de), M(0x1df), M(0x1e0), M(0x1e1), M(0x1e2),
|
|
M(0x1e3), M(0x1e4), M(0x1e5), M(0x1e6), M(0x1e7), M(0x1e8), M(0x1e9),
|
|
M(0x1ea), M(0x1eb), M(0x1ec), M(0x1ed), M(0x1ee), M(0x1ef), M(0x1f0),
|
|
M(0x1f1), M(0x1f2), M(0x1f3), M(0x1f4), M(0x1f5), M(0x1f6), M(0x1f7),
|
|
M(0x1f8), M(0x1f9), M(0x1fa), M(0x1fb), M(0x1fc), M(0x1fd), M(0x1fe),
|
|
M(0x1ff)
|
|
};
|
|
|
|
#ifdef MAKE_IDENTITY_MAP
|
|
/*
|
|
** "Identity" page map table.
|
|
**
|
|
** This just maps the first 4MB of physical memory. It is initialized
|
|
** in vm_init().
|
|
**
|
|
** This could be converted into a 4GB map of 4MB pages by turning on
|
|
** the PDE_PS bit in each entry.
|
|
*/
|
|
|
|
// identity-map 4KB page #n
|
|
#define S(n) [n] = (pte_t)((TO_4KFRAME((n))) | (PTE_P | PTE_RW))
|
|
|
|
const pte_t id_map[N_PTE] = {
|
|
S(0x000), S(0x001), S(0x002), S(0x003), S(0x004), S(0x005), S(0x006),
|
|
S(0x007), S(0x008), S(0x009), S(0x00a), S(0x00b), S(0x00c), S(0x00d),
|
|
S(0x00e), S(0x00f), S(0x010), S(0x011), S(0x012), S(0x013), S(0x014),
|
|
S(0x015), S(0x016), S(0x017), S(0x018), S(0x019), S(0x01a), S(0x01b),
|
|
S(0x01c), S(0x01d), S(0x01e), S(0x01f), S(0x020), S(0x021), S(0x022),
|
|
S(0x023), S(0x024), S(0x025), S(0x026), S(0x027), S(0x028), S(0x029),
|
|
S(0x02a), S(0x02b), S(0x02c), S(0x02d), S(0x02e), S(0x02f), S(0x030),
|
|
S(0x031), S(0x032), S(0x033), S(0x034), S(0x035), S(0x036), S(0x037),
|
|
S(0x038), S(0x039), S(0x03a), S(0x03b), S(0x03c), S(0x03d), S(0x03e),
|
|
S(0x03f), S(0x040), S(0x041), S(0x042), S(0x043), S(0x044), S(0x045),
|
|
S(0x046), S(0x047), S(0x048), S(0x049), S(0x04a), S(0x04b), S(0x04c),
|
|
S(0x04d), S(0x04e), S(0x04f), S(0x050), S(0x051), S(0x052), S(0x053),
|
|
S(0x054), S(0x055), S(0x056), S(0x057), S(0x058), S(0x059), S(0x05a),
|
|
S(0x05b), S(0x05c), S(0x05d), S(0x05e), S(0x05f), S(0x060), S(0x061),
|
|
S(0x062), S(0x063), S(0x064), S(0x065), S(0x066), S(0x067), S(0x068),
|
|
S(0x069), S(0x06a), S(0x06b), S(0x06c), S(0x06d), S(0x06e), S(0x06f),
|
|
S(0x070), S(0x071), S(0x072), S(0x073), S(0x074), S(0x075), S(0x076),
|
|
S(0x077), S(0x078), S(0x079), S(0x07a), S(0x07b), S(0x07c), S(0x07d),
|
|
S(0x07e), S(0x07f), S(0x080), S(0x081), S(0x082), S(0x083), S(0x084),
|
|
S(0x085), S(0x086), S(0x087), S(0x088), S(0x089), S(0x08a), S(0x08b),
|
|
S(0x08c), S(0x08d), S(0x08e), S(0x08f), S(0x090), S(0x091), S(0x092),
|
|
S(0x093), S(0x094), S(0x095), S(0x096), S(0x097), S(0x098), S(0x099),
|
|
S(0x09a), S(0x09b), S(0x09c), S(0x09d), S(0x09e), S(0x09f), S(0x0a0),
|
|
S(0x0a1), S(0x0a2), S(0x0a3), S(0x0a4), S(0x0a5), S(0x0a6), S(0x0a7),
|
|
S(0x0a8), S(0x0a9), S(0x0aa), S(0x0ab), S(0x0ac), S(0x0ad), S(0x0ae),
|
|
S(0x0af), S(0x0b0), S(0x0b1), S(0x0b2), S(0x0b3), S(0x0b4), S(0x0b5),
|
|
S(0x0b6), S(0x0b7), S(0x0b8), S(0x0b9), S(0x0ba), S(0x0bb), S(0x0bc),
|
|
S(0x0bd), S(0x0be), S(0x0bf), S(0x0c0), S(0x0c1), S(0x0c2), S(0x0c3),
|
|
S(0x0c4), S(0x0c5), S(0x0c6), S(0x0c7), S(0x0c8), S(0x0c9), S(0x0ca),
|
|
S(0x0cb), S(0x0cc), S(0x0cd), S(0x0ce), S(0x0cf), S(0x0d0), S(0x0d1),
|
|
S(0x0d2), S(0x0d3), S(0x0d4), S(0x0d5), S(0x0d6), S(0x0d7), S(0x0d8),
|
|
S(0x0d9), S(0x0da), S(0x0db), S(0x0dc), S(0x0dd), S(0x0de), S(0x0df),
|
|
S(0x0e0), S(0x0e1), S(0x0e2), S(0x0e3), S(0x0e4), S(0x0e5), S(0x0e6),
|
|
S(0x0e7), S(0x0e8), S(0x0e9), S(0x0ea), S(0x0eb), S(0x0ec), S(0x0ed),
|
|
S(0x0ee), S(0x0ef), S(0x0f0), S(0x0f1), S(0x0f2), S(0x0f3), S(0x0f4),
|
|
S(0x0f5), S(0x0f6), S(0x0f7), S(0x0f8), S(0x0f9), S(0x0fa), S(0x0fb),
|
|
S(0x0fc), S(0x0fd), S(0x0fe), S(0x0ff), S(0x100), S(0x101), S(0x102),
|
|
S(0x103), S(0x104), S(0x105), S(0x106), S(0x107), S(0x108), S(0x109),
|
|
S(0x10a), S(0x10b), S(0x10c), S(0x10d), S(0x10e), S(0x10f), S(0x110),
|
|
S(0x111), S(0x112), S(0x113), S(0x114), S(0x115), S(0x116), S(0x117),
|
|
S(0x118), S(0x119), S(0x11a), S(0x11b), S(0x11c), S(0x11d), S(0x11e),
|
|
S(0x11f), S(0x120), S(0x121), S(0x122), S(0x123), S(0x124), S(0x125),
|
|
S(0x126), S(0x127), S(0x128), S(0x129), S(0x12a), S(0x12b), S(0x12c),
|
|
S(0x12d), S(0x12e), S(0x12f), S(0x130), S(0x131), S(0x132), S(0x133),
|
|
S(0x134), S(0x135), S(0x136), S(0x137), S(0x138), S(0x139), S(0x13a),
|
|
S(0x13b), S(0x13c), S(0x13d), S(0x13e), S(0x13f), S(0x140), S(0x141),
|
|
S(0x142), S(0x143), S(0x144), S(0x145), S(0x146), S(0x147), S(0x148),
|
|
S(0x149), S(0x14a), S(0x14b), S(0x14c), S(0x14d), S(0x14e), S(0x14f),
|
|
S(0x150), S(0x151), S(0x152), S(0x153), S(0x154), S(0x155), S(0x156),
|
|
S(0x157), S(0x158), S(0x159), S(0x15a), S(0x15b), S(0x15c), S(0x15d),
|
|
S(0x15e), S(0x15f), S(0x160), S(0x161), S(0x162), S(0x163), S(0x164),
|
|
S(0x165), S(0x166), S(0x167), S(0x168), S(0x169), S(0x16a), S(0x16b),
|
|
S(0x16c), S(0x16d), S(0x16e), S(0x16f), S(0x170), S(0x171), S(0x172),
|
|
S(0x173), S(0x174), S(0x175), S(0x176), S(0x177), S(0x178), S(0x179),
|
|
S(0x17a), S(0x17b), S(0x17c), S(0x17d), S(0x17e), S(0x17f), S(0x180),
|
|
S(0x181), S(0x182), S(0x183), S(0x184), S(0x185), S(0x186), S(0x187),
|
|
S(0x188), S(0x189), S(0x18a), S(0x18b), S(0x18c), S(0x18d), S(0x18e),
|
|
S(0x18f), S(0x190), S(0x191), S(0x192), S(0x193), S(0x194), S(0x195),
|
|
S(0x196), S(0x197), S(0x198), S(0x199), S(0x19a), S(0x19b), S(0x19c),
|
|
S(0x19d), S(0x19e), S(0x19f), S(0x1a0), S(0x1a1), S(0x1a2), S(0x1a3),
|
|
S(0x1a4), S(0x1a5), S(0x1a6), S(0x1a7), S(0x1a8), S(0x1a9), S(0x1aa),
|
|
S(0x1ab), S(0x1ac), S(0x1ad), S(0x1ae), S(0x1af), S(0x1b0), S(0x1b1),
|
|
S(0x1b2), S(0x1b3), S(0x1b4), S(0x1b5), S(0x1b6), S(0x1b7), S(0x1b8),
|
|
S(0x1b9), S(0x1ba), S(0x1bb), S(0x1bc), S(0x1bd), S(0x1be), S(0x1bf),
|
|
S(0x1c0), S(0x1c1), S(0x1c2), S(0x1c3), S(0x1c4), S(0x1c5), S(0x1c6),
|
|
S(0x1c7), S(0x1c8), S(0x1c9), S(0x1ca), S(0x1cb), S(0x1cc), S(0x1cd),
|
|
S(0x1ce), S(0x1cf), S(0x1d0), S(0x1d1), S(0x1d2), S(0x1d3), S(0x1d4),
|
|
S(0x1d5), S(0x1d6), S(0x1d7), S(0x1d8), S(0x1d9), S(0x1da), S(0x1db),
|
|
S(0x1dc), S(0x1dd), S(0x1de), S(0x1df), S(0x1e0), S(0x1e1), S(0x1e2),
|
|
S(0x1e3), S(0x1e4), S(0x1e5), S(0x1e6), S(0x1e7), S(0x1e8), S(0x1e9),
|
|
S(0x1ea), S(0x1eb), S(0x1ec), S(0x1ed), S(0x1ee), S(0x1ef), S(0x1f0),
|
|
S(0x1f1), S(0x1f2), S(0x1f3), S(0x1f4), S(0x1f5), S(0x1f6), S(0x1f7),
|
|
S(0x1f8), S(0x1f9), S(0x1fa), S(0x1fb), S(0x1fc), S(0x1fd), S(0x1fe),
|
|
S(0x1ff), S(0x200), S(0x201), S(0x202), S(0x203), S(0x204), S(0x205),
|
|
S(0x206), S(0x207), S(0x208), S(0x209), S(0x20a), S(0x20b), S(0x20c),
|
|
S(0x20d), S(0x20e), S(0x20f), S(0x210), S(0x211), S(0x212), S(0x213),
|
|
S(0x214), S(0x215), S(0x216), S(0x217), S(0x218), S(0x219), S(0x21a),
|
|
S(0x21b), S(0x21c), S(0x21d), S(0x21e), S(0x21f), S(0x220), S(0x221),
|
|
S(0x222), S(0x223), S(0x224), S(0x225), S(0x226), S(0x227), S(0x228),
|
|
S(0x229), S(0x22a), S(0x22b), S(0x22c), S(0x22d), S(0x22e), S(0x22f),
|
|
S(0x230), S(0x231), S(0x232), S(0x233), S(0x234), S(0x235), S(0x236),
|
|
S(0x237), S(0x238), S(0x239), S(0x23a), S(0x23b), S(0x23c), S(0x23d),
|
|
S(0x23e), S(0x23f), S(0x240), S(0x241), S(0x242), S(0x243), S(0x244),
|
|
S(0x245), S(0x246), S(0x247), S(0x248), S(0x249), S(0x24a), S(0x24b),
|
|
S(0x24c), S(0x24d), S(0x24e), S(0x24f), S(0x250), S(0x251), S(0x252),
|
|
S(0x253), S(0x254), S(0x255), S(0x256), S(0x257), S(0x258), S(0x259),
|
|
S(0x25a), S(0x25b), S(0x25c), S(0x25d), S(0x25e), S(0x25f), S(0x260),
|
|
S(0x261), S(0x262), S(0x263), S(0x264), S(0x265), S(0x266), S(0x267),
|
|
S(0x268), S(0x269), S(0x26a), S(0x26b), S(0x26c), S(0x26d), S(0x26e),
|
|
S(0x26f), S(0x270), S(0x271), S(0x272), S(0x273), S(0x274), S(0x275),
|
|
S(0x276), S(0x277), S(0x278), S(0x279), S(0x27a), S(0x27b), S(0x27c),
|
|
S(0x27d), S(0x27e), S(0x27f), S(0x280), S(0x281), S(0x282), S(0x283),
|
|
S(0x284), S(0x285), S(0x286), S(0x287), S(0x288), S(0x289), S(0x28a),
|
|
S(0x28b), S(0x28c), S(0x28d), S(0x28e), S(0x28f), S(0x290), S(0x291),
|
|
S(0x292), S(0x293), S(0x294), S(0x295), S(0x296), S(0x297), S(0x298),
|
|
S(0x299), S(0x29a), S(0x29b), S(0x29c), S(0x29d), S(0x29e), S(0x29f),
|
|
S(0x2a0), S(0x2a1), S(0x2a2), S(0x2a3), S(0x2a4), S(0x2a5), S(0x2a6),
|
|
S(0x2a7), S(0x2a8), S(0x2a9), S(0x2aa), S(0x2ab), S(0x2ac), S(0x2ad),
|
|
S(0x2ae), S(0x2af), S(0x2b0), S(0x2b1), S(0x2b2), S(0x2b3), S(0x2b4),
|
|
S(0x2b5), S(0x2b6), S(0x2b7), S(0x2b8), S(0x2b9), S(0x2ba), S(0x2bb),
|
|
S(0x2bc), S(0x2bd), S(0x2be), S(0x2bf), S(0x2c0), S(0x2c1), S(0x2c2),
|
|
S(0x2c3), S(0x2c4), S(0x2c5), S(0x2c6), S(0x2c7), S(0x2c8), S(0x2c9),
|
|
S(0x2ca), S(0x2cb), S(0x2cc), S(0x2cd), S(0x2ce), S(0x2cf), S(0x2d0),
|
|
S(0x2d1), S(0x2d2), S(0x2d3), S(0x2d4), S(0x2d5), S(0x2d6), S(0x2d7),
|
|
S(0x2d8), S(0x2d9), S(0x2da), S(0x2db), S(0x2dc), S(0x2dd), S(0x2de),
|
|
S(0x2df), S(0x2e0), S(0x2e1), S(0x2e2), S(0x2e3), S(0x2e4), S(0x2e5),
|
|
S(0x2e6), S(0x2e7), S(0x2e8), S(0x2e9), S(0x2ea), S(0x2eb), S(0x2ec),
|
|
S(0x2ed), S(0x2ee), S(0x2ef), S(0x2f0), S(0x2f1), S(0x2f2), S(0x2f3),
|
|
S(0x2f4), S(0x2f5), S(0x2f6), S(0x2f7), S(0x2f8), S(0x2f9), S(0x2fa),
|
|
S(0x2fb), S(0x2fc), S(0x2fd), S(0x2fe), S(0x2ff), S(0x300), S(0x301),
|
|
S(0x302), S(0x303), S(0x304), S(0x305), S(0x306), S(0x307), S(0x308),
|
|
S(0x309), S(0x30a), S(0x30b), S(0x30c), S(0x30d), S(0x30e), S(0x30f),
|
|
S(0x310), S(0x311), S(0x312), S(0x313), S(0x314), S(0x315), S(0x316),
|
|
S(0x317), S(0x318), S(0x319), S(0x31a), S(0x31b), S(0x31c), S(0x31d),
|
|
S(0x31e), S(0x31f), S(0x320), S(0x321), S(0x322), S(0x323), S(0x324),
|
|
S(0x325), S(0x326), S(0x327), S(0x328), S(0x329), S(0x32a), S(0x32b),
|
|
S(0x32c), S(0x32d), S(0x32e), S(0x32f), S(0x330), S(0x331), S(0x332),
|
|
S(0x333), S(0x334), S(0x335), S(0x336), S(0x337), S(0x338), S(0x339),
|
|
S(0x33a), S(0x33b), S(0x33c), S(0x33d), S(0x33e), S(0x33f), S(0x340),
|
|
S(0x341), S(0x342), S(0x343), S(0x344), S(0x345), S(0x346), S(0x347),
|
|
S(0x348), S(0x349), S(0x34a), S(0x34b), S(0x34c), S(0x34d), S(0x34e),
|
|
S(0x34f), S(0x350), S(0x351), S(0x352), S(0x353), S(0x354), S(0x355),
|
|
S(0x356), S(0x357), S(0x358), S(0x359), S(0x35a), S(0x35b), S(0x35c),
|
|
S(0x35d), S(0x35e), S(0x35f), S(0x360), S(0x361), S(0x362), S(0x363),
|
|
S(0x364), S(0x365), S(0x366), S(0x367), S(0x368), S(0x369), S(0x36a),
|
|
S(0x36b), S(0x36c), S(0x36d), S(0x36e), S(0x36f), S(0x370), S(0x371),
|
|
S(0x372), S(0x373), S(0x374), S(0x375), S(0x376), S(0x377), S(0x378),
|
|
S(0x379), S(0x37a), S(0x37b), S(0x37c), S(0x37d), S(0x37e), S(0x37f),
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|
S(0x380), S(0x381), S(0x382), S(0x383), S(0x384), S(0x385), S(0x386),
|
|
S(0x387), S(0x388), S(0x389), S(0x38a), S(0x38b), S(0x38c), S(0x38d),
|
|
S(0x38e), S(0x38f), S(0x390), S(0x391), S(0x392), S(0x393), S(0x394),
|
|
S(0x395), S(0x396), S(0x397), S(0x398), S(0x399), S(0x39a), S(0x39b),
|
|
S(0x39c), S(0x39d), S(0x39e), S(0x39f), S(0x3a0), S(0x3a1), S(0x3a2),
|
|
S(0x3a3), S(0x3a4), S(0x3a5), S(0x3a6), S(0x3a7), S(0x3a8), S(0x3a9),
|
|
S(0x3aa), S(0x3ab), S(0x3ac), S(0x3ad), S(0x3ae), S(0x3af), S(0x3b0),
|
|
S(0x3b1), S(0x3b2), S(0x3b3), S(0x3b4), S(0x3b5), S(0x3b6), S(0x3b7),
|
|
S(0x3b8), S(0x3b9), S(0x3ba), S(0x3bb), S(0x3bc), S(0x3bd), S(0x3be),
|
|
S(0x3bf), S(0x3c0), S(0x3c1), S(0x3c2), S(0x3c3), S(0x3c4), S(0x3c5),
|
|
S(0x3c6), S(0x3c7), S(0x3c8), S(0x3c9), S(0x3ca), S(0x3cb), S(0x3cc),
|
|
S(0x3cd), S(0x3ce), S(0x3cf), S(0x3d0), S(0x3d1), S(0x3d2), S(0x3d3),
|
|
S(0x3d4), S(0x3d5), S(0x3d6), S(0x3d7), S(0x3d8), S(0x3d9), S(0x3da),
|
|
S(0x3db), S(0x3dc), S(0x3dd), S(0x3de), S(0x3df), S(0x3e0), S(0x3e1),
|
|
S(0x3e2), S(0x3e3), S(0x3e4), S(0x3e5), S(0x3e6), S(0x3e7), S(0x3e8),
|
|
S(0x3e9), S(0x3ea), S(0x3eb), S(0x3ec), S(0x3ed), S(0x3ee), S(0x3ef),
|
|
S(0x3f0), S(0x3f1), S(0x3f2), S(0x3f3), S(0x3f4), S(0x3f5), S(0x3f6),
|
|
S(0x3f7), S(0x3f8), S(0x3f9), S(0x3fa), S(0x3fb), S(0x3fc), S(0x3fd),
|
|
S(0x3fe), S(0x3ff)
|
|
};
|
|
#endif /* MAKE_IDENTITY_MAP */
|
|
|
|
extern char _end[];
|
|
|
|
/*
|
|
** Kernel address mappings, present in every page table
|
|
*/
|
|
const mapping_t kmap[] = {
|
|
// va pa_start pa_end perms
|
|
{ KERN_BASE, 0, EXT_BASE, PDE_RW },
|
|
{ KERN_VLINK, KERN_PLINK, V2P(_data), PDE_RW },
|
|
// { (uint32_t) _data, V2P(_data), V2P(_end), PDE_RW },
|
|
{ (uint32_t)_data, V2P(_data), PHYS_TOP, PDE_RW }
|
|
// { DEV_BASE, DEV_BASE, 0, PDE_RW }
|
|
};
|
|
const uint_t n_kmap = sizeof(kmap) / sizeof(kmap[0]);
|