EVOLUTION-MANAGER

Edit File: elfnote.h

/****************************************************************************** * elfnote.h * * Definitions used for the Xen ELF notes. * * Copyright (c) 2006, Ian Campbell, XenSource Ltd. */ #ifndef __XEN_PUBLIC_ELFNOTE_H__ #define __XEN_PUBLIC_ELFNOTE_H__ /* * The notes should live in a SHT_NOTE segment and have "Xen" in the * name field. * * Numeric types are either 4 or 8 bytes depending on the content of * the desc field. * * LEGACY indicated the fields in the legacy __xen_guest string which * this a note type replaces. */ /* * NAME=VALUE pair (string). * * LEGACY: FEATURES and PAE */ #define XEN_ELFNOTE_INFO 0 /* * The virtual address of the entry point (numeric). * * LEGACY: VIRT_ENTRY */ #define XEN_ELFNOTE_ENTRY 1 /* The virtual address of the hypercall transfer page (numeric). * * LEGACY: HYPERCALL_PAGE. (n.b. legacy value is a physical page * number not a virtual address) */ #define XEN_ELFNOTE_HYPERCALL_PAGE 2 /* The virtual address where the kernel image should be mapped (numeric). * * Defaults to 0. * * LEGACY: VIRT_BASE */ #define XEN_ELFNOTE_VIRT_BASE 3 /* * The offset of the ELF paddr field from the acutal required * pseudo-physical address (numeric). * * This is used to maintain backwards compatibility with older kernels * which wrote __PAGE_OFFSET into that field. This field defaults to 0 * if not present. * * LEGACY: ELF_PADDR_OFFSET. (n.b. legacy default is VIRT_BASE) */ #define XEN_ELFNOTE_PADDR_OFFSET 4 /* * The version of Xen that we work with (string). * * LEGACY: XEN_VER */ #define XEN_ELFNOTE_XEN_VERSION 5 /* * The name of the guest operating system (string). * * LEGACY: GUEST_OS */ #define XEN_ELFNOTE_GUEST_OS 6 /* * The version of the guest operating system (string). * * LEGACY: GUEST_VER */ #define XEN_ELFNOTE_GUEST_VERSION 7 /* * The loader type (string). * * LEGACY: LOADER */ #define XEN_ELFNOTE_LOADER 8 /* * The kernel supports PAE (x86/32 only, string = "yes" or "no"). * * LEGACY: PAE (n.b. The legacy interface included a provision to * indicate 'extended-cr3' support allowing L3 page tables to be * placed above 4G. It is assumed that any kernel new enough to use * these ELF notes will include this and therefore "yes" here is * equivalent to "yes[entended-cr3]" in the __xen_guest interface. */ #define XEN_ELFNOTE_PAE_MODE 9 /* * The features supported/required by this kernel (string). * * The string must consist of a list of feature names (as given in * features.h, without the "XENFEAT_" prefix) separated by '|' * characters. If a feature is required for the kernel to function * then the feature name must be preceded by a '!' character. * * LEGACY: FEATURES */ #define XEN_ELFNOTE_FEATURES 10 /* * The kernel requires the symbol table to be loaded (string = "yes" or "no") * LEGACY: BSD_SYMTAB (n.b. The legacy treated the presence or absence * of this string as a boolean flag rather than requiring "yes" or * "no". */ #define XEN_ELFNOTE_BSD_SYMTAB 11 /* * The lowest address the hypervisor hole can begin at (numeric). * * This must not be set higher than HYPERVISOR_VIRT_START. Its presence * also indicates to the hypervisor that the kernel can deal with the * hole starting at a higher address. */ #define XEN_ELFNOTE_HV_START_LOW 12 /* * List of maddr_t-sized mask/value pairs describing how to recognize * (non-present) L1 page table entries carrying valid MFNs (numeric). */ #define XEN_ELFNOTE_L1_MFN_VALID 13 /* * Whether or not the guest supports cooperative suspend cancellation. */ #define XEN_ELFNOTE_SUSPEND_CANCEL 14 #endif /* __XEN_PUBLIC_ELFNOTE_H__ */ /* * Local variables: * mode: C * c-set-style: "BSD" * c-basic-offset: 4 * tab-width: 4 * indent-tabs-mode: nil * End: */