af0f3b361f
This commit involves the PAE paging itself, refactoring the vspace code to extra what is common between PAE and 32bit paging, as well as some renaming to not call the root paging structure a PD
76 lines
3.4 KiB
C
76 lines
3.4 KiB
C
/*
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* Copyright 2014, NICTA
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*
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* This software may be distributed and modified according to the terms of
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* the BSD 2-Clause license. Note that NO WARRANTY is provided.
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* See "LICENSE_BSD2.txt" for details.
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*
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* @TAG(NICTA_BSD)
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*/
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#ifndef __LIBSEL4_BOOTINFO_H
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#define __LIBSEL4_BOOTINFO_H
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#include <autoconf.h>
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#include <sel4/types.h>
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#include <stdint.h>
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/* caps with fixed slot potitions in the root CNode */
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enum {
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seL4_CapNull = 0, /* null cap */
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seL4_CapInitThreadTCB = 1, /* initial thread's TCB cap */
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seL4_CapInitThreadCNode = 2, /* initial thread's root CNode cap */
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seL4_CapInitThreadVSpace = 3, /* initial thread's VSpace cap */
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seL4_CapIRQControl = 4, /* global IRQ controller cap */
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seL4_CapASIDControl = 5, /* global ASID controller cap */
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seL4_CapInitThreadASIDPool = 6, /* initial thread's ASID pool cap */
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seL4_CapIOPort = 7, /* global IO port cap (null cap if not supported) */
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seL4_CapIOSpace = 8, /* global IO space cap (null cap if no IOMMU support) */
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seL4_CapBootInfoFrame = 9, /* bootinfo frame cap */
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seL4_CapInitThreadIPCBuffer = 10, /* initial thread's IPC buffer frame cap */
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seL4_CapDomain = 11 /* global domain controller cap */
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};
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/* Legacy code will have assumptions on the vspace root being a Page Directory
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* type, so for now we define one to the other */
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#define seL4_CapInitThreadPD seL4_CapInitThreadVSpace
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/* types */
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typedef struct {
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seL4_Word start; /* first CNode slot position OF region */
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seL4_Word end; /* first CNode slot position AFTER region */
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} seL4_SlotRegion;
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typedef struct {
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seL4_Word basePaddr; /* base physical address of device region */
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seL4_Word frameSizeBits; /* size (2^n bytes) of a device-region frame */
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seL4_SlotRegion frames; /* device-region frame caps */
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} seL4_DeviceRegion;
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typedef struct {
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seL4_Word nodeID; /* ID [0..numNodes-1] of the seL4 node (0 if uniprocessor) */
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seL4_Word numNodes; /* number of seL4 nodes (1 if uniprocessor) */
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seL4_Word numIOPTLevels; /* number of IOMMU PT levels (0 if no IOMMU support) */
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seL4_IPCBuffer* ipcBuffer; /* pointer to initial thread's IPC buffer */
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seL4_SlotRegion empty; /* empty slots (null caps) */
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seL4_SlotRegion sharedFrames; /* shared-frame caps (shared between seL4 nodes) */
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seL4_SlotRegion userImageFrames; /* userland-image frame caps */
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seL4_SlotRegion userImagePDs; /* userland-image PD caps */
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seL4_SlotRegion userImagePTs; /* userland-image PT caps */
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seL4_SlotRegion untyped; /* untyped-object caps (untyped caps) */
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seL4_Word untypedPaddrList [CONFIG_MAX_NUM_BOOTINFO_UNTYPED_CAPS]; /* physical address of each untyped cap */
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uint8_t untypedSizeBitsList[CONFIG_MAX_NUM_BOOTINFO_UNTYPED_CAPS]; /* size (2^n) bytes of each untyped cap */
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uint8_t initThreadCNodeSizeBits; /* initial thread's root CNode size (2^n slots) */
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seL4_Word numDeviceRegions; /* number of device regions */
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seL4_DeviceRegion deviceRegions[CONFIG_MAX_NUM_BOOTINFO_DEVICE_REGIONS]; /* device regions */
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uint32_t initThreadDomain; /* Initial thread's domain ID */
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} seL4_BootInfo;
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/* function declarations */
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void seL4_InitBootInfo(seL4_BootInfo* bi);
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seL4_BootInfo* seL4_GetBootInfo(void);
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#endif
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