75 lines
3.4 KiB
C
75 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 <sel4/types.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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seL4_NumInitialCaps = 12
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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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seL4_Uint8 untypedSizeBitsList[CONFIG_MAX_NUM_BOOTINFO_UNTYPED_CAPS]; /* size (2^n) bytes of each untyped cap */
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seL4_Uint8 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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seL4_Uint32 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 // __LIBSEL4_BOOTINFO_H
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