Function getMemoryMap [src]

Prototype

 pub fn getMemoryMap( self: *const BootServices, buffer: []align(@alignOf(MemoryDescriptor)) u8, ) GetMemoryMapError!MemoryMapSlice

Parameters

self: *const BootServicesbuffer: []align(@alignOf(MemoryDescriptor)) u8

Possible Errors

BufferTooSmall

InvalidParameter

Unexpected UnexpectedError

Source

  pub fn getMemoryMap(
    self: *const BootServices,
    buffer: []align(@alignOf(MemoryDescriptor)) u8,
) GetMemoryMapError!MemoryMapSlice {
    var info: MemoryMapInfo = undefined;
    info.len = buffer.len;

    switch (self._getMemoryMap(
        &info.len,
        buffer.ptr,
        &info.key,
        &info.descriptor_size,
        &info.descriptor_version,
    )) {
        .success => {
            info.len = @divExact(info.len, info.descriptor_size);
            return .{ .info = info, .ptr = buffer.ptr };
        },
        .buffer_too_small => return error.BufferTooSmall,
        .invalid_parameter => return error.InvalidParameter,
        else => |status| return uefi.unexpectedStatus(status),
    }
}  