implement initialization of start info for x86

xenclient/src/x86.rs

@@ -0,0 +1,73 @@
+use libc::c_char;
+
+pub const X86_PAGE_SHIFT: u64 = 12;
+pub const X86_PAGE_SIZE: u64 = 1 << X86_PAGE_SHIFT;
+pub const X86_VIRT_BITS: u64 = 48;
+pub const X86_VIRT_MASK: u64 = 1 << X86_VIRT_BITS;
+pub const X86_PGTABLE_LEVELS: u64 = 4;
+pub const X86_PGTABLE_LEVEL_SHIFT: u64 = 9;
+
+#[repr(C)]
+#[derive(Debug, Clone)]
+#[derive(Default)]
+pub struct PageTableMappingLevel {
+    pub from: u64,
+    pub to: u64,
+    pub pfn: u64,
+    pub pgtables: usize,
+}
+
+#[repr(C)]
+#[derive(Debug, Clone)]
+#[derive(Default)]
+pub struct PageTableMapping {
+    pub area: PageTableMappingLevel,
+    pub levels: [PageTableMappingLevel; X86_PGTABLE_LEVELS as usize],
+}
+
+pub const X86_PAGE_TABLE_MAX_MAPPINGS: usize = 2;
+
+#[repr(C)]
+#[derive(Debug, Clone)]
+#[derive(Default)]
+pub struct PageTable {
+    pub mappings_count: usize,
+    pub mappings: [PageTableMapping; X86_PAGE_TABLE_MAX_MAPPINGS],
+}
+
+
+
+
+
+
+
+#[repr(C)]
+#[derive(Debug)]
+pub struct StartInfoConsole {
+    pub mfn: u64,
+    pub evtchn: u32,
+}
+
+pub const MAX_GUEST_CMDLINE: usize = 1024;
+
+#[repr(C)]
+#[derive(Debug)]
+pub struct StartInfo {
+    pub magic: [c_char; 32],
+    pub nr_pages: u64,
+    pub shared_info: u64,
+    pub flags: u32,
+    pub store_mfn: u64,
+    pub store_evtchn: u32,
+    pub console: StartInfoConsole,
+    pub pt_base: u64,
+    pub nr_pt_frames: u64,
+    pub mfn_list: u64,
+    pub mod_start: u64,
+    pub mod_len: u64,
+    pub cmdline: [c_char; MAX_GUEST_CMDLINE],
+    pub first_p2m_pfn: u64,
+    pub nr_p2m_frames: u64,
+}
+
+pub const X86_GUEST_MAGIC: &str = "xen-3.0-x86_64";